diff --git a/.gitignore b/.gitignore index 9f10eb5b1..69183a51a 100644 --- a/.gitignore +++ b/.gitignore @@ -15,8 +15,7 @@ *.latfont *.hwjpnfont *.fwjpnfont -src/*.s -tools/* +tools/agbcc *.map *.ld *.bat diff --git a/INSTALL.md b/INSTALL.md index 954bd1d97..75adc2ea1 100644 --- a/INSTALL.md +++ b/INSTALL.md @@ -2,12 +2,27 @@ First, you must put a Pokémon Emerald (US) ROM in the root directory of the rep # Linux -TBD +Install [**devkitARM**](http://devkitpro.org/wiki/Getting_Started/devkitARM). + +Make sure that there is an environment variable called DEVKITARM with the path of the directory before the "bin" directory containing "arm-none-eabi-as", "arm-none-eabi-cpp", "arm-none-eabi-ld" and "arm-none-eabi-objcopy". + +Then get the compiler from https://github.com/pret/agbcc and run the following commands. + + build.sh + install.sh PATH_OF_POKEEMERALD_DIRECTORY + +Then in the pokeemerald directory, build the tools. + + build_tools.sh + +Finally, build the rom. + + make # Windows Install [**devkitARM**](http://devkitpro.org/wiki/Getting_Started/devkitARM). -Then download [**pokeruby-tools**](https://github.com/pret/pokeruby-tools). Copy the `tools/` folder with the compiled `exe`s to the `tools/` folder in your `pokeemerald/` directory. +Then get the compiled tools from https://github.com/pret/pokeruby-tools. Copy the `tools/` folder over the `tools/` folder in your pokeemerald directory. You can then build pokeemerald using `make` in the MSYS environment provided with devkitARM. diff --git a/build_tools.sh b/build_tools.sh new file mode 100644 index 000000000..26f1f35b3 --- /dev/null +++ b/build_tools.sh @@ -0,0 +1,8 @@ +#!/bin/sh +make -C tools/gbagfx +make -C tools/scaninc +make -C tools/preproc +make -C tools/bin2c +make -C tools/rsfont +make -C tools/aif2pcm +make -C tools/ramscrgen diff --git a/tools/aif2pcm/.gitignore b/tools/aif2pcm/.gitignore new file mode 100644 index 000000000..31531797e --- /dev/null +++ b/tools/aif2pcm/.gitignore @@ -0,0 +1,2 @@ +aif2pcm + diff --git a/tools/aif2pcm/LICENSE b/tools/aif2pcm/LICENSE new file mode 100644 index 000000000..966b92bd6 --- /dev/null +++ b/tools/aif2pcm/LICENSE @@ -0,0 +1,20 @@ +Copyright (c) 2016 huderlem +Copyright (c) 2005, 2006 by Marco Trillo + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/tools/aif2pcm/Makefile b/tools/aif2pcm/Makefile new file mode 100644 index 000000000..967930c59 --- /dev/null +++ b/tools/aif2pcm/Makefile @@ -0,0 +1,15 @@ +CC = gcc + +CFLAGS = -Wall -Wextra -Wno-switch -Werror -std=c11 -O2 -s + +LIBS = -lm + +SRCS = main.c extended.c + +.PHONY: clean + +aif2pcm: $(SRCS) + $(CC) $(CFLAGS) $(SRCS) -o $@ $(LDFLAGS) $(LIBS) + +clean: + $(RM) aif2pcm aif2pcm.exe diff --git a/tools/aif2pcm/extended.c b/tools/aif2pcm/extended.c new file mode 100644 index 000000000..94449164b --- /dev/null +++ b/tools/aif2pcm/extended.c @@ -0,0 +1,172 @@ +/* $Id: extended.c,v 1.8 2006/12/23 11:17:49 toad32767 Exp $ */ +/*- + * Copyright (c) 2005, 2006 by Marco Trillo + * + * Permission is hereby granted, free of charge, to any + * person obtaining a copy of this software and associated + * documentation files (the "Software"), to deal in the + * Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the + * Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice + * shall be included in all copies or substantial portions of + * the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY + * KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE + * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR + * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS + * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include +#include +#include + +/* + * Infinite & NAN values + * for non-IEEE systems + */ +#ifndef HUGE_VAL +#ifdef HUGE +#define INFINITE_VALUE HUGE +#define NAN_VALUE HUGE +#endif +#else +#define INFINITE_VALUE HUGE_VAL +#define NAN_VALUE HUGE_VAL +#endif + +/* + * IEEE 754 Extended Precision + * + * Implementation here is the 80-bit extended precision + * format of Motorola 68881, Motorola 68882 and Motorola + * 68040 FPUs, as well as Intel 80x87 FPUs. + * + * See: + * http://www.freescale.com/files/32bit/doc/fact_sheet/BR509.pdf + */ +/* + * Exponent range: [-16383,16383] + * Precision for mantissa: 64 bits with no hidden bit + * Bias: 16383 + */ + +/* + * Write IEEE Extended Precision Numbers + */ +void +ieee754_write_extended(double in, uint8_t* out) +{ + int sgn, exp, shift; + double fraction, t; + unsigned int lexp, hexp; + unsigned long low, high; + + if (in == 0.0) { + memset(out, 0, 10); + return; + } + if (in < 0.0) { + in = fabs(in); + sgn = 1; + } else + sgn = 0; + + fraction = frexp(in, &exp); + + if (exp == 0 || exp > 16384) { + if (exp > 16384) /* infinite value */ + low = high = 0; + else { + low = 0x80000000; + high = 0; + } + exp = 32767; + goto done; + } + fraction = ldexp(fraction, 32); + t = floor(fraction); + low = (unsigned long) t; + fraction -= t; + t = floor(ldexp(fraction, 32)); + high = (unsigned long) t; + + /* Convert exponents < -16382 to -16382 (then they will be + * stored as -16383) */ + if (exp < -16382) { + shift = 0 - exp - 16382; + high >>= shift; + high |= (low << (32 - shift)); + low >>= shift; + exp = -16382; + } + exp += 16383 - 1; /* bias */ + +done: + lexp = ((unsigned int) exp) >> 8; + hexp = ((unsigned int) exp) & 0xFF; + + /* big endian */ + out[0] = ((uint8_t) sgn) << 7; + out[0] |= (uint8_t) lexp; + out[1] = (uint8_t) hexp; + out[2] = (uint8_t) (low >> 24); + out[3] = (uint8_t) ((low >> 16) & 0xFF); + out[4] = (uint8_t) ((low >> 8) & 0xFF); + out[5] = (uint8_t) (low & 0xFF); + out[6] = (uint8_t) (high >> 24); + out[7] = (uint8_t) ((high >> 16) & 0xFF); + out[8] = (uint8_t) ((high >> 8) & 0xFF); + out[9] = (uint8_t) (high & 0xFF); + + return; +} + + +/* + * Read IEEE Extended Precision Numbers + */ +double +ieee754_read_extended(uint8_t* in) +{ + int sgn, exp; + unsigned long low, high; + double out; + + /* Extract the components from the big endian buffer */ + sgn = (int) (in[0] >> 7); + exp = ((int) (in[0] & 0x7F) << 8) | ((int) in[1]); + low = (((unsigned long) in[2]) << 24) + | (((unsigned long) in[3]) << 16) + | (((unsigned long) in[4]) << 8) | (unsigned long) in[5]; + high = (((unsigned long) in[6]) << 24) + | (((unsigned long) in[7]) << 16) + | (((unsigned long) in[8]) << 8) | (unsigned long) in[9]; + + if (exp == 0 && low == 0 && high == 0) + return (sgn ? -0.0 : 0.0); + + switch (exp) { + case 32767: + if (low == 0 && high == 0) + return (sgn ? -INFINITE_VALUE : INFINITE_VALUE); + else + return (sgn ? -NAN_VALUE : NAN_VALUE); + default: + exp -= 16383; /* unbias exponent */ + + } + + out = ldexp((double) low, -31 + exp); + out += ldexp((double) high, -63 + exp); + + return (sgn ? -out : out); +} diff --git a/tools/aif2pcm/main.c b/tools/aif2pcm/main.c new file mode 100644 index 000000000..fbb024a1d --- /dev/null +++ b/tools/aif2pcm/main.c @@ -0,0 +1,830 @@ +// Copyright(c) 2016 huderlem +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include +#include +#include + +/* extended.c */ +void ieee754_write_extended (double, uint8_t*); +double ieee754_read_extended (uint8_t*); + +#ifdef _MSC_VER + +#define FATAL_ERROR(format, ...) \ +do \ +{ \ + fprintf(stderr, format, __VA_ARGS__); \ + exit(1); \ +} while (0) + +#else + +#define FATAL_ERROR(format, ...) \ +do \ +{ \ + fprintf(stderr, format, ##__VA_ARGS__); \ + exit(1); \ +} while (0) + +#endif // _MSC_VER + +typedef struct { + unsigned long num_samples; + uint8_t *samples; + uint8_t midi_note; + bool has_loop; + unsigned long loop_offset; + double sample_rate; + unsigned long real_num_samples; +} AifData; + +struct Bytes { + unsigned long length; + uint8_t *data; +}; + +struct Bytes *read_bytearray(const char *filename) +{ + struct Bytes *bytes = malloc(sizeof(struct Bytes)); + FILE *f = fopen(filename, "rb"); + if (!f) + { + FATAL_ERROR("Failed to open '%s' for reading!\n", filename); + } + fseek(f, 0, SEEK_END); + bytes->length = ftell(f); + fseek(f, 0, SEEK_SET); + bytes->data = malloc(bytes->length); + unsigned long read = fread(bytes->data, bytes->length, 1, f); + fclose(f); + if (read <= 0) + { + FATAL_ERROR("Failed to read data from '%s'!\n", filename); + } + return bytes; +} + +void write_bytearray(const char *filename, struct Bytes *bytes) +{ + FILE *f = fopen(filename, "wb"); + if (!f) + { + FATAL_ERROR("Failed to open '%s' for writing!\n", filename); + } + fwrite(bytes->data, bytes->length, 1, f); + fclose(f); +} + +void free_bytearray(struct Bytes *bytes) +{ + free(bytes->data); + free(bytes); +} + +char *get_file_extension(char *filename) +{ + char *index = strrchr(filename, '.'); + if (!index || index == filename) + { + return NULL; + } + return index + 1; +} + +char *new_file_extension(char *filename, char *ext) +{ + char *index = strrchr(filename, '.'); + if (!index || index == filename) + { + index = filename + strlen(filename); + } + int length = index - filename; + char *new_filename = malloc(length + 1 + strlen(ext) + 1); + if (new_filename) + { + strcpy(new_filename, filename); + new_filename[length] = '.'; + strcpy(new_filename + length + 1, ext); + } + return new_filename; +} + +void read_aif(struct Bytes *aif, AifData *aif_data) +{ + aif_data->has_loop = false; + aif_data->num_samples = 0; + + unsigned long pos = 0; + char chunk_name[5]; chunk_name[4] = '\0'; + char chunk_type[5]; chunk_type[4] = '\0'; + + // Check for FORM Chunk + memcpy(chunk_name, &aif->data[pos], 4); + pos += 4; + if (strcmp(chunk_name, "FORM") != 0) + { + FATAL_ERROR("Input .aif file has invalid header Chunk '%s'!\n", chunk_name); + } + + // Read size of whole file. + unsigned long whole_chunk_size = aif->data[pos++] << 24; + whole_chunk_size |= (aif->data[pos++] << 16); + whole_chunk_size |= (aif->data[pos++] << 8); + whole_chunk_size |= (uint8_t)aif->data[pos++]; + + unsigned long expected_whole_chunk_size = aif->length - 8; + if (whole_chunk_size != expected_whole_chunk_size) + { + FATAL_ERROR("FORM Chunk ckSize '%lu' doesn't match actual size '%lu'!\n", whole_chunk_size, expected_whole_chunk_size); + } + + // Check for AIFF Form Type + memcpy(chunk_type, &aif->data[pos], 4); + pos += 4; + if (strcmp(chunk_type, "AIFF") != 0) + { + FATAL_ERROR("FORM Type is '%s', but it must be AIFF!", chunk_type); + } + + unsigned long num_sample_frames = 0; + + // Read all the Chunks to populate the AifData struct. + while ((pos + 8) < aif->length) + { + // Read Chunk id + memcpy(chunk_name, &aif->data[pos], 4); + pos += 4; + + unsigned long chunk_size = (aif->data[pos++] << 24); + chunk_size |= (aif->data[pos++] << 16); + chunk_size |= (aif->data[pos++] << 8); + chunk_size |= aif->data[pos++]; + + if ((pos + chunk_size) > aif->length) + { + FATAL_ERROR("%s chunk at 0x%lx reached end of file before finishing\n", chunk_name, pos); + } + + if (strcmp(chunk_name, "COMM") == 0) + { + short num_channels = (aif->data[pos++] << 8); + num_channels |= (uint8_t)aif->data[pos++]; + if (num_channels != 1) + { + FATAL_ERROR("numChannels (%d) in the COMM Chunk must be 1!\n", num_channels); + } + + num_sample_frames = (aif->data[pos++] << 24); + num_sample_frames |= (aif->data[pos++] << 16); + num_sample_frames |= (aif->data[pos++] << 8); + num_sample_frames |= (uint8_t)aif->data[pos++]; + + short sample_size = (aif->data[pos++] << 8); + sample_size |= (uint8_t)aif->data[pos++]; + if (sample_size != 8) + { + FATAL_ERROR("sampleSize (%d) in the COMM Chunk must be 8!\n", sample_size); + } + + double sample_rate = ieee754_read_extended((uint8_t*)(aif->data + pos)); + pos += 10; + + aif_data->sample_rate = sample_rate; + + if (aif_data->num_samples == 0) + { + aif_data->num_samples = num_sample_frames; + } + } + else if (strcmp(chunk_name, "MARK") == 0) + { + unsigned short num_markers = (aif->data[pos++] << 8); + num_markers |= (uint8_t)aif->data[pos++]; + + // Read each marker and look for the "START" marker. + for (int i = 0; i < num_markers; i++) + { + unsigned short marker_id = (aif->data[pos++] << 8); + marker_id |= (uint8_t)aif->data[pos++]; + + unsigned long marker_position = (aif->data[pos++] << 24); + marker_position |= (aif->data[pos++] << 16); + marker_position |= (aif->data[pos++] << 8); + marker_position |= (uint8_t)aif->data[pos++]; + + // Marker id is a pascal-style string. + uint8_t marker_name_size = aif->data[pos++]; + char *marker_name = (char *)malloc((marker_name_size + 1) * sizeof(char)); + memcpy(marker_name, &aif->data[pos], marker_name_size); + marker_name[marker_name_size] = '\0'; + pos += marker_name_size; + + if (strcmp(marker_name, "START") == 0) + { + aif_data->loop_offset = marker_position; + aif_data->has_loop = true; + } + else if (strcmp(marker_name, "END") == 0) + { + if (!aif_data->has_loop) { + aif_data->loop_offset = marker_position; + aif_data->has_loop = true; + } + aif_data->num_samples = marker_position; + } + + free(marker_name); + } + } + else if (strcmp(chunk_name, "INST") == 0) + { + uint8_t midi_note = (uint8_t)aif->data[pos++]; + + aif_data->midi_note = midi_note; + + // Skip over data we don't need. + pos += 19; + } + else if (strcmp(chunk_name, "SSND") == 0) + { + // SKip offset and blockSize + pos += 8; + + unsigned long num_samples = chunk_size - 8; + uint8_t *sample_data = (uint8_t *)malloc(num_samples * sizeof(uint8_t)); + memcpy(sample_data, &aif->data[pos], num_samples); + + aif_data->samples = sample_data; + aif_data->real_num_samples = num_samples; + pos += chunk_size - 8; + } + else + { + // Skip over unsupported chunks. + pos += chunk_size; + } + } +} + +// This is a table of deltas between sample values in compressed PCM data. +const int gDeltaEncodingTable[] = { + 0, 1, 4, 9, 16, 25, 36, 49, + -64, -49, -36, -25, -16, -9, -4, -1, +}; + +struct Bytes *delta_decompress(struct Bytes *delta, unsigned int expected_length) +{ + struct Bytes *pcm = malloc(sizeof(struct Bytes)); + pcm->length = expected_length; + pcm->data = malloc(pcm->length + 0x40); + + uint8_t hi, lo; + unsigned int i = 0; + unsigned int j = 0; + int k; + int8_t base; + while (i < delta->length) + { + base = (int8_t)delta->data[i++]; + pcm->data[j++] = (uint8_t)base; + if (i >= delta->length) + { + break; + } + if (j >= pcm->length) + { + break; + } + lo = delta->data[i] & 0xf; + base += gDeltaEncodingTable[lo]; + pcm->data[j++] = base; + i++; + if (i >= delta->length) + { + break; + } + if (j >= pcm->length) + { + break; + } + for (k = 0; k < 31; k++) + { + hi = (delta->data[i] >> 4) & 0xf; + base += gDeltaEncodingTable[hi]; + pcm->data[j++] = base; + if (j >= pcm->length) + { + break; + } + lo = delta->data[i] & 0xf; + base += gDeltaEncodingTable[lo]; + pcm->data[j++] = base; + i++; + if (i >= delta->length) + { + break; + } + if (j >= pcm->length) + { + break; + } + } + if (j >= pcm->length) + { + break; + } + } + + pcm->length = j; + return pcm; +} + +int get_delta_index(uint8_t sample, uint8_t prev_sample) +{ + int best_error = INT_MAX; + int best_index = -1; + + for (int i = 0; i < 16; i++) + { + uint8_t new_sample = prev_sample + gDeltaEncodingTable[i]; + int error = sample > new_sample ? sample - new_sample : new_sample - sample; + + if (error < best_error) + { + best_error = error; + best_index = i; + } + } + + return best_index; +} + +struct Bytes *delta_compress(struct Bytes *pcm) +{ + struct Bytes *delta = malloc(sizeof(struct Bytes)); + // estimate the length so we can malloc + int num_blocks = pcm->length / 64; + delta->length = num_blocks * 33; + + int extra = pcm->length % 64; + if (extra) + { + delta->length += 1; + extra -= 1; + } + if (extra) + { + delta->length += 1; + extra -= 1; + } + if (extra) + { + delta->length += (extra + 1) / 2; + } + + delta->data = malloc(delta->length + 33); + + unsigned int i = 0; + unsigned int j = 0; + int k; + uint8_t base; + int delta_index; + + while (i < pcm->length) + { + base = pcm->data[i++]; + delta->data[j++] = base; + + if (i >= pcm->length) + { + break; + } + delta_index = get_delta_index(pcm->data[i++], base); + base += gDeltaEncodingTable[delta_index]; + delta->data[j++] = delta_index; + + for (k = 0; k < 31; k++) + { + if (i >= pcm->length) + { + break; + } + delta_index = get_delta_index(pcm->data[i++], base); + base += gDeltaEncodingTable[delta_index]; + delta->data[j] = (delta_index << 4); + + if (i >= pcm->length) + { + break; + } + delta_index = get_delta_index(pcm->data[i++], base); + base += gDeltaEncodingTable[delta_index]; + delta->data[j++] |= delta_index; + } + } + + delta->length = j; + + return delta; +} + +#define STORE_U32_LE(dest, value) \ +do { \ + *(dest) = (value) & 0xff; \ + *((dest) + 1) = ((value) >> 8) & 0xff; \ + *((dest) + 2) = ((value) >> 16) & 0xff; \ + *((dest) + 3) = ((value) >> 24) & 0xff; \ +} while (0) + +#define LOAD_U32_LE(var, src) \ +do { \ + (var) = *(src); \ + (var) |= (*((src) + 1) << 8); \ + (var) |= (*((src) + 2) << 16); \ + (var) |= (*((src) + 3) << 24); \ +} while (0) + +// Reads an .aif file and produces a .pcm file containing an array of 8-bit samples. +void aif2pcm(const char *aif_filename, const char *pcm_filename, bool compress) +{ + struct Bytes *aif = read_bytearray(aif_filename); + AifData aif_data = {0}; + read_aif(aif, &aif_data); + + int header_size = 0x10; + struct Bytes *pcm; + struct Bytes output = {0}; + + if (compress) + { + struct Bytes *input = malloc(sizeof(struct Bytes)); + input->data = aif_data.samples; + input->length = aif_data.real_num_samples; + pcm = delta_compress(input); + free(input); + } + else + { + pcm = malloc(sizeof(struct Bytes)); + pcm->data = aif_data.samples; + pcm->length = aif_data.real_num_samples; + } + output.length = header_size + pcm->length; + output.data = malloc(output.length); + + uint32_t pitch_adjust = (uint32_t)(aif_data.sample_rate * 1024); + uint32_t loop_offset = (uint32_t)(aif_data.loop_offset); + uint32_t adjusted_num_samples = (uint32_t)(aif_data.num_samples - 1); + uint32_t flags = 0; + if (aif_data.has_loop) flags |= 0x40000000; + if (compress) flags |= 1; + STORE_U32_LE(output.data + 0, flags); + STORE_U32_LE(output.data + 4, pitch_adjust); + STORE_U32_LE(output.data + 8, loop_offset); + STORE_U32_LE(output.data + 12, adjusted_num_samples); + memcpy(&output.data[header_size], pcm->data, pcm->length); + write_bytearray(pcm_filename, &output); + + free(aif->data); + free(aif); + free(pcm); + free(output.data); + free(aif_data.samples); +} + +// Reads a .pcm file containing an array of 8-bit samples and produces an .aif file. +// See http://www-mmsp.ece.mcgill.ca/documents/audioformats/aiff/Docs/AIFF-1.3.pdf for .aif file specification. +void pcm2aif(const char *pcm_filename, const char *aif_filename, uint32_t base_note) +{ + struct Bytes *pcm = read_bytearray(pcm_filename); + + AifData *aif_data = malloc(sizeof(AifData)); + + uint32_t flags; + LOAD_U32_LE(flags, pcm->data + 0); + aif_data->has_loop = flags & 0x40000000; + bool compressed = flags & 1; + + uint32_t pitch_adjust; + LOAD_U32_LE(pitch_adjust, pcm->data + 4); + aif_data->sample_rate = pitch_adjust / 1024.0; + + LOAD_U32_LE(aif_data->loop_offset, pcm->data + 8); + LOAD_U32_LE(aif_data->num_samples, pcm->data + 12); + aif_data->num_samples += 1; + + if (compressed) + { + struct Bytes *delta = pcm; + uint8_t *pcm_data = pcm->data; + delta->length -= 0x10; + delta->data += 0x10; + pcm = delta_decompress(delta, aif_data->num_samples); + free(pcm_data); + free(delta); + } + else + { + pcm->length -= 0x10; + pcm->data += 0x10; + } + + aif_data->samples = malloc(pcm->length); + memcpy(aif_data->samples, pcm->data, pcm->length); + + struct Bytes *aif = malloc(sizeof(struct Bytes)); + aif->length = 54 + 60 + pcm->length; + aif->data = malloc(aif->length); + + long pos = 0; + + // First, write the FORM header chunk. + // FORM Chunk ckID + aif->data[pos++] = 'F'; + aif->data[pos++] = 'O'; + aif->data[pos++] = 'R'; + aif->data[pos++] = 'M'; + + // FORM Chunk ckSize + unsigned long form_size = pos; + unsigned long data_size = aif->length - 8; + aif->data[pos++] = ((data_size >> 24) & 0xFF); + aif->data[pos++] = ((data_size >> 16) & 0xFF); + aif->data[pos++] = ((data_size >> 8) & 0xFF); + aif->data[pos++] = (data_size & 0xFF); + + // FORM Chunk formType + aif->data[pos++] = 'A'; + aif->data[pos++] = 'I'; + aif->data[pos++] = 'F'; + aif->data[pos++] = 'F'; + + // Next, write the Common Chunk + // Common Chunk ckID + aif->data[pos++] = 'C'; + aif->data[pos++] = 'O'; + aif->data[pos++] = 'M'; + aif->data[pos++] = 'M'; + + // Common Chunk ckSize + aif->data[pos++] = 0; + aif->data[pos++] = 0; + aif->data[pos++] = 0; + aif->data[pos++] = 18; + + // Common Chunk numChannels + aif->data[pos++] = 0; + aif->data[pos++] = 1; // 1 channel + + // Common Chunk numSampleFrames + aif->data[pos++] = ((aif_data->num_samples >> 24) & 0xFF); + aif->data[pos++] = ((aif_data->num_samples >> 16) & 0xFF); + aif->data[pos++] = ((aif_data->num_samples >> 8) & 0xFF); + aif->data[pos++] = (aif_data->num_samples & 0xFF); + + // Common Chunk sampleSize + aif->data[pos++] = 0; + aif->data[pos++] = 8; // 8 bits per sample + + // Common Chunk sampleRate + //double sample_rate = pitch_adjust / 1024.0; + uint8_t sample_rate_buffer[10]; + ieee754_write_extended(aif_data->sample_rate, sample_rate_buffer); + for (int i = 0; i < 10; i++) + { + aif->data[pos++] = sample_rate_buffer[i]; + } + + if (aif_data->has_loop) + { + + // Marker Chunk ckID + aif->data[pos++] = 'M'; + aif->data[pos++] = 'A'; + aif->data[pos++] = 'R'; + aif->data[pos++] = 'K'; + + // Marker Chunk ckSize + aif->data[pos++] = 0; + aif->data[pos++] = 0; + aif->data[pos++] = 0; + aif->data[pos++] = 12 + (aif_data->has_loop ? 12 : 0); + + // Marker Chunk numMarkers + aif->data[pos++] = 0; + aif->data[pos++] = (aif_data->has_loop ? 2 : 1); + + // Marker loop start + aif->data[pos++] = 0; + aif->data[pos++] = 1; // id = 1 + + long loop_start = aif_data->loop_offset; + aif->data[pos++] = ((loop_start >> 24) & 0xFF); + aif->data[pos++] = ((loop_start >> 16) & 0xFF); + aif->data[pos++] = ((loop_start >> 8) & 0xFF); + aif->data[pos++] = (loop_start & 0xFF); // position + + aif->data[pos++] = 5; // pascal-style string length + aif->data[pos++] = 'S'; + aif->data[pos++] = 'T'; + aif->data[pos++] = 'A'; + aif->data[pos++] = 'R'; + aif->data[pos++] = 'T'; // markerName + + // Marker loop end + aif->data[pos++] = 0; + aif->data[pos++] = (aif_data->has_loop ? 2 : 1); // id = 2 + + long loop_end = aif_data->num_samples; + aif->data[pos++] = ((loop_end >> 24) & 0xFF); + aif->data[pos++] = ((loop_end >> 16) & 0xFF); + aif->data[pos++] = ((loop_end >> 8) & 0xFF); + aif->data[pos++] = (loop_end & 0xFF); // position + + aif->data[pos++] = 3; // pascal-style string length + aif->data[pos++] = 'E'; + aif->data[pos++] = 'N'; + aif->data[pos++] = 'D'; + } + + // Instrument Chunk ckID + aif->data[pos++] = 'I'; + aif->data[pos++] = 'N'; + aif->data[pos++] = 'S'; + aif->data[pos++] = 'T'; + + // Instrument Chunk ckSize + aif->data[pos++] = 0; + aif->data[pos++] = 0; + aif->data[pos++] = 0; + aif->data[pos++] = 20; + + aif->data[pos++] = base_note; // baseNote + aif->data[pos++] = 0; // detune + aif->data[pos++] = 0; // lowNote + aif->data[pos++] = 127; // highNote + aif->data[pos++] = 1; // lowVelocity + aif->data[pos++] = 127; // highVelocity + aif->data[pos++] = 0; // gain (hi) + aif->data[pos++] = 0; // gain (lo) + + // Instrument Chunk sustainLoop + aif->data[pos++] = 0; + aif->data[pos++] = 1; // playMode = ForwardLooping + + aif->data[pos++] = 0; + aif->data[pos++] = 1; // beginLoop marker id + + aif->data[pos++] = 0; + aif->data[pos++] = 2; // endLoop marker id + + // Instrument Chunk releaseLoop + aif->data[pos++] = 0; + aif->data[pos++] = 1; // playMode = ForwardLooping + + aif->data[pos++] = 0; + aif->data[pos++] = 1; // beginLoop marker id + + aif->data[pos++] = 0; + aif->data[pos++] = 2; // endLoop marker id + + // Finally, write the Sound Data Chunk + // Sound Data Chunk ckID + aif->data[pos++] = 'S'; + aif->data[pos++] = 'S'; + aif->data[pos++] = 'N'; + aif->data[pos++] = 'D'; + + // Sound Data Chunk ckSize + unsigned long sound_data_size = pcm->length + 8; + aif->data[pos++] = ((sound_data_size >> 24) & 0xFF); + aif->data[pos++] = ((sound_data_size >> 16) & 0xFF); + aif->data[pos++] = ((sound_data_size >> 8) & 0xFF); + aif->data[pos++] = (sound_data_size & 0xFF); + + // Sound Data Chunk offset + aif->data[pos++] = 0; + aif->data[pos++] = 0; + aif->data[pos++] = 0; + aif->data[pos++] = 0; + + // Sound Data Chunk blockSize + aif->data[pos++] = 0; + aif->data[pos++] = 0; + aif->data[pos++] = 0; + aif->data[pos++] = 0; + + // Sound Data Chunk soundData + for (unsigned int i = 0; i < aif_data->loop_offset; i++) + { + aif->data[pos++] = aif_data->samples[i]; + } + + int j = 0; + for (unsigned int i = aif_data->loop_offset; i < pcm->length; i++) + { + int pcm_index = aif_data->loop_offset + (j++ % (pcm->length - aif_data->loop_offset)); + aif->data[pos++] = aif_data->samples[pcm_index]; + } + + aif->length = pos; + + // Go back and rewrite ckSize + data_size = aif->length - 8; + aif->data[form_size + 0] = ((data_size >> 24) & 0xFF); + aif->data[form_size + 1] = ((data_size >> 16) & 0xFF); + aif->data[form_size + 2] = ((data_size >> 8) & 0xFF); + aif->data[form_size + 3] = (data_size & 0xFF); + + write_bytearray(aif_filename, aif); + + free(aif->data); + free(aif); +} + +void usage(void) +{ + fprintf(stderr, "Usage: aif2pcm bin_file [aif_file]\n"); + fprintf(stderr, " aif2pcm aif_file [bin_file] [--compress]\n"); +} + +int main(int argc, char **argv) +{ + if (argc < 2) + { + usage(); + exit(1); + } + + char *input_file = argv[1]; + char *extension = get_file_extension(input_file); + char *output_file; + bool compressed = false; + + if (argc > 3) + { + for (int i = 3; i < argc; i++) + { + if (strcmp(argv[i], "--compress") == 0) + { + compressed = true; + } + } + } + + if (strcmp(extension, "aif") == 0 || strcmp(extension, "aiff") == 0) + { + if (argc >= 3) + { + output_file = argv[2]; + aif2pcm(input_file, output_file, compressed); + } + else + { + output_file = new_file_extension(input_file, "bin"); + aif2pcm(input_file, output_file, compressed); + free(output_file); + } + } + else if (strcmp(extension, "bin") == 0) + { + if (argc >= 3) + { + output_file = argv[2]; + pcm2aif(input_file, output_file, 60); + } + else + { + output_file = new_file_extension(input_file, "aif"); + pcm2aif(input_file, output_file, 60); + free(output_file); + } + } + else + { + FATAL_ERROR("Input file must be .aif or .bin: '%s'\n", input_file); + } + + return 0; +} diff --git a/tools/bin2c/.gitignore b/tools/bin2c/.gitignore new file mode 100644 index 000000000..366f3d3e9 --- /dev/null +++ b/tools/bin2c/.gitignore @@ -0,0 +1 @@ +bin2c diff --git a/tools/bin2c/LICENSE b/tools/bin2c/LICENSE new file mode 100644 index 000000000..534d15349 --- /dev/null +++ b/tools/bin2c/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2016 YamaArashi + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/tools/bin2c/Makefile b/tools/bin2c/Makefile new file mode 100644 index 000000000..4cc23a25a --- /dev/null +++ b/tools/bin2c/Makefile @@ -0,0 +1,13 @@ +CC = gcc + +CFLAGS = -Wall -Wextra -Werror -std=c11 -O2 -s + +.PHONY: clean + +SRCS = bin2c.c + +bin2c: $(SRCS) + $(CC) $(CFLAGS) $(SRCS) -o $@ $(LDFLAGS) + +clean: + $(RM) bin2c bin2c.exe diff --git a/tools/bin2c/bin2c.c b/tools/bin2c/bin2c.c new file mode 100644 index 000000000..b4bd437f0 --- /dev/null +++ b/tools/bin2c/bin2c.c @@ -0,0 +1,201 @@ +// Copyright(c) 2015-2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include + +#ifdef _MSC_VER + +#define FATAL_ERROR(format, ...) \ +do \ +{ \ + fprintf(stderr, format, __VA_ARGS__); \ + exit(1); \ +} while (0) + +#else + +#define FATAL_ERROR(format, ...) \ +do \ +{ \ + fprintf(stderr, format, ##__VA_ARGS__); \ + exit(1); \ +} while (0) + +#endif // _MSC_VER + +unsigned char *ReadWholeFile(char *path, int *size) +{ + FILE *fp = fopen(path, "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", path); + + fseek(fp, 0, SEEK_END); + + *size = ftell(fp); + + unsigned char *buffer = malloc(*size); + + if (buffer == NULL) + FATAL_ERROR("Failed to allocate memory for reading \"%s\".\n", path); + + rewind(fp); + + if (fread(buffer, *size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", path); + + fclose(fp); + + return buffer; +} + +int ExtractData(unsigned char *buffer, int offset, int size) +{ + switch (size) + { + case 1: + return buffer[offset]; + case 2: + return (buffer[offset + 1] << 8) + | buffer[offset]; + case 4: + return (buffer[offset + 3] << 24) + | (buffer[offset + 2] << 16) + | (buffer[offset + 1] << 8) + | buffer[offset]; + default: + FATAL_ERROR("Invalid size passed to ExtractData.\n"); + } +} + +int main(int argc, char **argv) +{ + if (argc < 3) + FATAL_ERROR("Usage: bin2c INPUT_FILE VAR_NAME [OPTIONS...]\n"); + + int fileSize; + unsigned char *buffer = ReadWholeFile(argv[1], &fileSize); + char *var_name = argv[2]; + int col = 1; + int pad = 0; + int size = 1; + bool isSigned = false; + bool isStatic = false; + bool isDecimal = false; + + for (int i = 3; i < argc; i++) + { + if (!strcmp(argv[i], "-col")) + { + i++; + + if (i >= argc) + FATAL_ERROR("Missing argument after '-col'.\n"); + + col = atoi(argv[i]); + } + else if (!strcmp(argv[i], "-pad")) + { + i++; + + if (i >= argc) + FATAL_ERROR("Missing argument after '-pad'.\n"); + + pad = atoi(argv[i]); + } + else if (!strcmp(argv[i], "-size")) + { + i++; + + if (i >= argc) + FATAL_ERROR("Missing argument after '-size'.\n"); + + size = atoi(argv[i]); + + if (size != 1 && size != 2 && size != 4) + FATAL_ERROR("Size must be 1, 2, or 4.\n"); + } + else if (!strcmp(argv[i], "-signed")) + { + isSigned = true; + isDecimal = true; + } + else if (!strcmp(argv[i], "-static")) + { + isStatic = true; + } + else if (!strcmp(argv[i], "-decimal")) + { + isDecimal = true; + } + else + { + FATAL_ERROR("Unrecognized option '%s'.\n", argv[i]); + } + } + + if ((fileSize & (size - 1)) != 0) + FATAL_ERROR("Size %d doesn't evenly divide file size %d.\n", size, fileSize); + + printf("// Generated file. Do not edit.\n\n"); + + if (isStatic) + printf("static "); + + printf("const "); + + if (isSigned) + printf("s%d ", 8 * size); + else + printf("u%d ", 8 * size); + + printf("%s[] =\n{", var_name); + + int count = fileSize / size; + int offset = 0; + + for (int i = 0; i < count; i++) + { + if (i % col == 0) + printf("\n "); + + int data = ExtractData(buffer, offset, size); + offset += size; + + if (isDecimal) + { + if (isSigned) + printf("%*d, ", pad, data); + else + printf("%*uu, ", pad, data); + } + else + { + printf("%#*xu, ", pad, data); + } + } + + printf("\n};\n"); + + return 0; +} diff --git a/tools/gbagfx/.gitignore b/tools/gbagfx/.gitignore new file mode 100644 index 000000000..dbbb3f04c --- /dev/null +++ b/tools/gbagfx/.gitignore @@ -0,0 +1 @@ +gbagfx diff --git a/tools/gbagfx/LICENSE b/tools/gbagfx/LICENSE new file mode 100644 index 000000000..b66bf81c0 --- /dev/null +++ b/tools/gbagfx/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2015 YamaArashi + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/tools/gbagfx/Makefile b/tools/gbagfx/Makefile new file mode 100644 index 000000000..d791dabb5 --- /dev/null +++ b/tools/gbagfx/Makefile @@ -0,0 +1,15 @@ +CC = gcc + +CFLAGS = -Wall -Wextra -Werror -std=c11 -O2 -s -DPNG_SKIP_SETJMP_CHECK + +LIBS = -lpng -lz + +SRCS = main.c convert_png.c gfx.c jasc_pal.c lz.c rl.c util.c font.c + +.PHONY: clean + +gbagfx: $(SRCS) convert_png.h gfx.h global.h jasc_pal.h lz.h rl.h util.h font.h + $(CC) $(CFLAGS) $(SRCS) -o $@ $(LDFLAGS) $(LIBS) + +clean: + $(RM) gbagfx gbagfx.exe diff --git a/tools/gbagfx/convert_png.c b/tools/gbagfx/convert_png.c new file mode 100644 index 000000000..37904318c --- /dev/null +++ b/tools/gbagfx/convert_png.c @@ -0,0 +1,212 @@ +// Copyright (c) 2015 YamaArashi + +#include +#include +#include +#include "global.h" +#include "convert_png.h" +#include "gfx.h" + +static FILE *PngReadOpen(char *path, png_structp *pngStruct, png_infop *pngInfo) +{ + FILE *fp = fopen(path, "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", path); + + unsigned char sig[8]; + + if (fread(sig, 8, 1, fp) != 1) + FATAL_ERROR("Failed to read PNG signature from \"%s\".\n", path); + + if (png_sig_cmp(sig, 0, 8)) + FATAL_ERROR("\"%s\" does not have a valid PNG signature.\n", path); + + png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); + + if (!png_ptr) + FATAL_ERROR("Failed to create PNG read struct.\n"); + + png_infop info_ptr = png_create_info_struct(png_ptr); + + if (!info_ptr) + FATAL_ERROR("Failed to create PNG info struct.\n"); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Failed to init I/O for reading \"%s\".\n", path); + + png_init_io(png_ptr, fp); + png_set_sig_bytes(png_ptr, 8); + png_read_info(png_ptr, info_ptr); + + *pngStruct = png_ptr; + *pngInfo = info_ptr; + + return fp; +} + +void ReadPng(char *path, struct Image *image) +{ + png_structp png_ptr; + png_infop info_ptr; + + FILE *fp = PngReadOpen(path, &png_ptr, &info_ptr); + + int bit_depth = png_get_bit_depth(png_ptr, info_ptr); + + if (bit_depth != image->bitDepth) + FATAL_ERROR("\"%s\" has a bit depth of %d, but the expected bit depth is %d.\n", path, bit_depth, image->bitDepth); + + int color_type = png_get_color_type(png_ptr, info_ptr); + + if (color_type != PNG_COLOR_TYPE_GRAY && color_type != PNG_COLOR_TYPE_PALETTE) + FATAL_ERROR("\"%s\" has an unsupported color type.\n", path); + + // Check if the image has a palette so that we can tell if the colors need to be inverted later. + // Don't read the palette because it's not needed for now. + image->hasPalette = (color_type == PNG_COLOR_TYPE_PALETTE); + + image->width = png_get_image_width(png_ptr, info_ptr); + image->height = png_get_image_height(png_ptr, info_ptr); + + int rowbytes = png_get_rowbytes(png_ptr, info_ptr); + + image->pixels = malloc(image->height * rowbytes); + + if (image->pixels == NULL) + FATAL_ERROR("Failed to allocate pixel buffer.\n"); + + png_bytepp row_pointers = malloc(image->height * sizeof(png_bytep)); + + if (row_pointers == NULL) + FATAL_ERROR("Failed to allocate row pointers.\n"); + + for (int i = 0; i < image->height; i++) + row_pointers[i] = (png_bytep)(image->pixels + (i * rowbytes)); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Error reading from \"%s\".\n", path); + + png_read_image(png_ptr, row_pointers); + + png_destroy_read_struct(&png_ptr, &info_ptr, NULL); + + free(row_pointers); + fclose(fp); +} + +void ReadPngPalette(char *path, struct Palette *palette) +{ + png_structp png_ptr; + png_infop info_ptr; + png_colorp colors; + int numColors; + + FILE *fp = PngReadOpen(path, &png_ptr, &info_ptr); + + if (png_get_color_type(png_ptr, info_ptr) != PNG_COLOR_TYPE_PALETTE) + FATAL_ERROR("The image \"%s\" does not contain a palette.\n", path); + + if (png_get_PLTE(png_ptr, info_ptr, &colors, &numColors) != PNG_INFO_PLTE) + FATAL_ERROR("Failed to retrieve palette from \"%s\".\n", path); + + if (numColors > 256) + FATAL_ERROR("Images with more than 256 colors are not supported.\n"); + + palette->numColors = numColors; + for (int i = 0; i < numColors; i++) { + palette->colors[i].red = colors[i].red; + palette->colors[i].green = colors[i].green; + palette->colors[i].blue = colors[i].blue; + } + + png_destroy_read_struct(&png_ptr, &info_ptr, NULL); + + fclose(fp); +} + +void SetPngPalette(png_structp png_ptr, png_infop info_ptr, struct Palette *palette) +{ + png_colorp colors = malloc(palette->numColors * sizeof(png_color)); + + if (colors == NULL) + FATAL_ERROR("Failed to allocate PNG palette.\n"); + + for (int i = 0; i < palette->numColors; i++) { + colors[i].red = palette->colors[i].red; + colors[i].green = palette->colors[i].green; + colors[i].blue = palette->colors[i].blue; + } + + png_set_PLTE(png_ptr, info_ptr, colors, palette->numColors); + + free(colors); +} + +void WritePng(char *path, struct Image *image) +{ + FILE *fp = fopen(path, "wb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for writing.\n", path); + + png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); + + if (!png_ptr) + FATAL_ERROR("Failed to create PNG write struct.\n"); + + png_infop info_ptr = png_create_info_struct(png_ptr); + + if (!info_ptr) + FATAL_ERROR("Failed to create PNG info struct.\n"); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Failed to init I/O for writing \"%s\".\n", path); + + png_init_io(png_ptr, fp); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Error writing header for \"%s\".\n", path); + + int color_type = image->hasPalette ? PNG_COLOR_TYPE_PALETTE : PNG_COLOR_TYPE_GRAY; + + png_set_IHDR(png_ptr, info_ptr, image->width, image->height, + image->bitDepth, color_type, PNG_INTERLACE_NONE, + PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); + + if (image->hasPalette) { + SetPngPalette(png_ptr, info_ptr, &image->palette); + + if (image->hasTransparency) { + png_byte trans = 0; + png_set_tRNS(png_ptr, info_ptr, &trans, 1, 0); + } + } + + png_write_info(png_ptr, info_ptr); + + png_bytepp row_pointers = malloc(image->height * sizeof(png_bytep)); + + if (row_pointers == NULL) + FATAL_ERROR("Failed to allocate row pointers.\n"); + + int rowbytes = png_get_rowbytes(png_ptr, info_ptr); + + for (int i = 0; i < image->height; i++) + row_pointers[i] = (png_bytep)(image->pixels + (i * rowbytes)); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Error writing \"%s\".\n", path); + + png_write_image(png_ptr, row_pointers); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Error ending write of \"%s\".\n", path); + + png_write_end(png_ptr, NULL); + + fclose(fp); + + png_destroy_write_struct(&png_ptr, &info_ptr); + free(row_pointers); +} diff --git a/tools/gbagfx/convert_png.h b/tools/gbagfx/convert_png.h new file mode 100644 index 000000000..caf081b73 --- /dev/null +++ b/tools/gbagfx/convert_png.h @@ -0,0 +1,12 @@ +// Copyright (c) 2015 YamaArashi + +#ifndef CONVERT_PNG_H +#define CONVERT_PNG_H + +#include "gfx.h" + +void ReadPng(char *path, struct Image *image); +void WritePng(char *path, struct Image *image); +void ReadPngPalette(char *path, struct Palette *palette); + +#endif // CONVERT_PNG_H diff --git a/tools/gbagfx/font.c b/tools/gbagfx/font.c new file mode 100644 index 000000000..0dd6fbc3e --- /dev/null +++ b/tools/gbagfx/font.c @@ -0,0 +1,326 @@ +// Copyright (c) 2015 YamaArashi + +#include +#include +#include +#include +#include "global.h" +#include "font.h" +#include "gfx.h" +#include "util.h" + +unsigned char gFontPalette[][3] = { + {0x90, 0xC8, 0xFF}, // bg (saturated blue that contrasts well with the shadow color) + {0x38, 0x38, 0x38}, // fg (dark grey) + {0xD8, 0xD8, 0xD8}, // shadow (light grey) + {0xFF, 0xFF, 0xFF} // box (white) +}; + +static void ConvertFromLatinFont(unsigned char *src, unsigned char *dest, unsigned int numRows) +{ + unsigned int srcPixelsOffset = 0; + + for (unsigned int row = 0; row < numRows; row++) { + for (unsigned int column = 0; column < 16; column++) { + for (unsigned int glyphTile = 0; glyphTile < 4; glyphTile++) { + unsigned int pixelsX = (column * 16) + ((glyphTile & 1) * 8); + + for (unsigned int i = 0; i < 8; i++) { + unsigned int pixelsY = (row * 16) + ((glyphTile >> 1) * 8) + i; + unsigned int destPixelsOffset = (pixelsY * 64) + (pixelsX / 4); + + dest[destPixelsOffset] = src[srcPixelsOffset + 1]; + dest[destPixelsOffset + 1] = src[srcPixelsOffset]; + + srcPixelsOffset += 2; + } + } + } + } +} + +static void ConvertToLatinFont(unsigned char *src, unsigned char *dest, unsigned int numRows) +{ + unsigned int destPixelsOffset = 0; + + for (unsigned int row = 0; row < numRows; row++) { + for (unsigned int column = 0; column < 16; column++) { + for (unsigned int glyphTile = 0; glyphTile < 4; glyphTile++) { + unsigned int pixelsX = (column * 16) + ((glyphTile & 1) * 8); + + for (unsigned int i = 0; i < 8; i++) { + unsigned int pixelsY = (row * 16) + ((glyphTile >> 1) * 8) + i; + unsigned int srcPixelsOffset = (pixelsY * 64) + (pixelsX / 4); + + dest[destPixelsOffset] = src[srcPixelsOffset + 1]; + dest[destPixelsOffset + 1] = src[srcPixelsOffset]; + + destPixelsOffset += 2; + } + } + } + } +} + +static void ConvertFromHalfwidthJapaneseFont(unsigned char *src, unsigned char *dest, unsigned int numRows) +{ + for (unsigned int row = 0; row < numRows; row++) { + for (unsigned int column = 0; column < 16; column++) { + unsigned int glyphIndex = (row * 16) + column; + + for (unsigned int glyphTile = 0; glyphTile < 2; glyphTile++) { + unsigned int pixelsX = column * 8; + unsigned int srcPixelsOffset = 512 * (glyphIndex >> 4) + 16 * (glyphIndex & 0xF) + 256 * glyphTile; + + for (unsigned int i = 0; i < 8; i++) { + unsigned int pixelsY = (row * 16) + (glyphTile * 8) + i; + unsigned int destPixelsOffset = (pixelsY * 32) + (pixelsX / 4); + + dest[destPixelsOffset] = src[srcPixelsOffset + 1]; + dest[destPixelsOffset + 1] = src[srcPixelsOffset]; + + srcPixelsOffset += 2; + } + } + } + } +} + +static void ConvertToHalfwidthJapaneseFont(unsigned char *src, unsigned char *dest, unsigned int numRows) +{ + for (unsigned int row = 0; row < numRows; row++) { + for (unsigned int column = 0; column < 16; column++) { + unsigned int glyphIndex = (row * 16) + column; + + for (unsigned int glyphTile = 0; glyphTile < 2; glyphTile++) { + unsigned int pixelsX = column * 8; + unsigned int destPixelsOffset = 512 * (glyphIndex >> 4) + 16 * (glyphIndex & 0xF) + 256 * glyphTile; + + for (unsigned int i = 0; i < 8; i++) { + unsigned int pixelsY = (row * 16) + (glyphTile * 8) + i; + unsigned int srcPixelsOffset = (pixelsY * 32) + (pixelsX / 4); + + dest[destPixelsOffset] = src[srcPixelsOffset + 1]; + dest[destPixelsOffset + 1] = src[srcPixelsOffset]; + + destPixelsOffset += 2; + } + } + } + } +} + +static void ConvertFromFullwidthJapaneseFont(unsigned char *src, unsigned char *dest, unsigned int numRows) +{ + for (unsigned int row = 0; row < numRows; row++) { + for (unsigned int column = 0; column < 16; column++) { + unsigned int glyphIndex = (row * 16) + column; + + for (unsigned int glyphTile = 0; glyphTile < 4; glyphTile++) { + unsigned int pixelsX = (column * 16) + ((glyphTile & 1) * 8); + unsigned int srcPixelsOffset = 512 * (glyphIndex >> 3) + 32 * (glyphIndex & 7) + 256 * (glyphTile >> 1) + 16 * (glyphTile & 1); + + for (unsigned int i = 0; i < 8; i++) { + unsigned int pixelsY = (row * 16) + ((glyphTile >> 1) * 8) + i; + unsigned int destPixelsOffset = (pixelsY * 64) + (pixelsX / 4); + + dest[destPixelsOffset] = src[srcPixelsOffset + 1]; + dest[destPixelsOffset + 1] = src[srcPixelsOffset]; + + srcPixelsOffset += 2; + } + } + } + } +} + +static void ConvertToFullwidthJapaneseFont(unsigned char *src, unsigned char *dest, unsigned int numRows) +{ + for (unsigned int row = 0; row < numRows; row++) { + for (unsigned int column = 0; column < 16; column++) { + unsigned int glyphIndex = (row * 16) + column; + + for (unsigned int glyphTile = 0; glyphTile < 4; glyphTile++) { + unsigned int pixelsX = (column * 16) + ((glyphTile & 1) * 8); + unsigned int destPixelsOffset = 512 * (glyphIndex >> 3) + 32 * (glyphIndex & 7) + 256 * (glyphTile >> 1) + 16 * (glyphTile & 1); + + for (unsigned int i = 0; i < 8; i++) { + unsigned int pixelsY = (row * 16) + ((glyphTile >> 1) * 8) + i; + unsigned int srcPixelsOffset = (pixelsY * 64) + (pixelsX / 4); + + dest[destPixelsOffset] = src[srcPixelsOffset + 1]; + dest[destPixelsOffset + 1] = src[srcPixelsOffset]; + + destPixelsOffset += 2; + } + } + } + } +} + +static void SetFontPalette(struct Image *image) +{ + image->hasPalette = true; + + image->palette.numColors = 4; + + for (int i = 0; i < image->palette.numColors; i++) { + image->palette.colors[i].red = gFontPalette[i][0]; + image->palette.colors[i].green = gFontPalette[i][1]; + image->palette.colors[i].blue = gFontPalette[i][2]; + } + + image->hasTransparency = false; +} + +void ReadLatinFont(char *path, struct Image *image) +{ + int fileSize; + unsigned char *buffer = ReadWholeFile(path, &fileSize); + + int numGlyphs = fileSize / 64; + + if (numGlyphs % 16 != 0) + FATAL_ERROR("The number of glyphs (%d) is not a multiple of 16.\n", numGlyphs); + + int numRows = numGlyphs / 16; + + image->width = 256; + image->height = numRows * 16; + image->bitDepth = 2; + image->pixels = malloc(fileSize); + + if (image->pixels == NULL) + FATAL_ERROR("Failed to allocate memory for font.\n"); + + ConvertFromLatinFont(buffer, image->pixels, numRows); + + free(buffer); + + SetFontPalette(image); +} + +void WriteLatinFont(char *path, struct Image *image) +{ + if (image->width != 256) + FATAL_ERROR("The width of the font image (%d) is not 256.\n", image->width); + + if (image->height % 16 != 0) + FATAL_ERROR("The height of the font image (%d) is not a multiple of 16.\n", image->height); + + int numRows = image->height / 16; + int bufferSize = numRows * 16 * 64; + unsigned char *buffer = malloc(bufferSize); + + if (buffer == NULL) + FATAL_ERROR("Failed to allocate memory for font.\n"); + + ConvertToLatinFont(image->pixels, buffer, numRows); + + WriteWholeFile(path, buffer, bufferSize); + + free(buffer); +} + +void ReadHalfwidthJapaneseFont(char *path, struct Image *image) +{ + int fileSize; + unsigned char *buffer = ReadWholeFile(path, &fileSize); + + int glyphSize = 32; + + if (fileSize % glyphSize != 0) + FATAL_ERROR("The file size (%d) is not a multiple of %d.\n", fileSize, glyphSize); + + int numGlyphs = fileSize / glyphSize; + + if (numGlyphs % 16 != 0) + FATAL_ERROR("The number of glyphs (%d) is not a multiple of 16.\n", numGlyphs); + + int numRows = numGlyphs / 16; + + image->width = 128; + image->height = numRows * 16; + image->bitDepth = 2; + image->pixels = malloc(fileSize); + + if (image->pixels == NULL) + FATAL_ERROR("Failed to allocate memory for font.\n"); + + ConvertFromHalfwidthJapaneseFont(buffer, image->pixels, numRows); + + free(buffer); + + SetFontPalette(image); +} + +void WriteHalfwidthJapaneseFont(char *path, struct Image *image) +{ + if (image->width != 128) + FATAL_ERROR("The width of the font image (%d) is not 128.\n", image->width); + + if (image->height % 16 != 0) + FATAL_ERROR("The height of the font image (%d) is not a multiple of 16.\n", image->height); + + int numRows = image->height / 16; + int bufferSize = numRows * 16 * 32; + unsigned char *buffer = malloc(bufferSize); + + if (buffer == NULL) + FATAL_ERROR("Failed to allocate memory for font.\n"); + + ConvertToHalfwidthJapaneseFont(image->pixels, buffer, numRows); + + WriteWholeFile(path, buffer, bufferSize); + + free(buffer); +} + +void ReadFullwidthJapaneseFont(char *path, struct Image *image) +{ + int fileSize; + unsigned char *buffer = ReadWholeFile(path, &fileSize); + + int numGlyphs = fileSize / 64; + + if (numGlyphs % 16 != 0) + FATAL_ERROR("The number of glyphs (%d) is not a multiple of 16.\n", numGlyphs); + + int numRows = numGlyphs / 16; + + image->width = 256; + image->height = numRows * 16; + image->bitDepth = 2; + image->pixels = malloc(fileSize); + + if (image->pixels == NULL) + FATAL_ERROR("Failed to allocate memory for font.\n"); + + ConvertFromFullwidthJapaneseFont(buffer, image->pixels, numRows); + + free(buffer); + + SetFontPalette(image); +} + +void WriteFullwidthJapaneseFont(char *path, struct Image *image) +{ + if (image->width != 256) + FATAL_ERROR("The width of the font image (%d) is not 256.\n", image->width); + + if (image->height % 16 != 0) + FATAL_ERROR("The height of the font image (%d) is not a multiple of 16.\n", image->height); + + int numRows = image->height / 16; + int bufferSize = numRows * 16 * 64; + unsigned char *buffer = malloc(bufferSize); + + if (buffer == NULL) + FATAL_ERROR("Failed to allocate memory for font.\n"); + + ConvertToFullwidthJapaneseFont(image->pixels, buffer, numRows); + + WriteWholeFile(path, buffer, bufferSize); + + free(buffer); +} diff --git a/tools/gbagfx/font.h b/tools/gbagfx/font.h new file mode 100644 index 000000000..45086d02a --- /dev/null +++ b/tools/gbagfx/font.h @@ -0,0 +1,16 @@ +// Copyright (c) 2015 YamaArashi + +#ifndef FONT_H +#define FONT_H + +#include +#include "gfx.h" + +void ReadLatinFont(char *path, struct Image *image); +void WriteLatinFont(char *path, struct Image *image); +void ReadHalfwidthJapaneseFont(char *path, struct Image *image); +void WriteHalfwidthJapaneseFont(char *path, struct Image *image); +void ReadFullwidthJapaneseFont(char *path, struct Image *image); +void WriteFullwidthJapaneseFont(char *path, struct Image *image); + +#endif // FONT_H diff --git a/tools/gbagfx/gfx.c b/tools/gbagfx/gfx.c new file mode 100644 index 000000000..c0f7f492c --- /dev/null +++ b/tools/gbagfx/gfx.c @@ -0,0 +1,329 @@ +// Copyright (c) 2015 YamaArashi + +#include +#include +#include +#include +#include "global.h" +#include "gfx.h" +#include "util.h" + +#define GET_GBA_PAL_RED(x) (((x) >> 0) & 0x1F) +#define GET_GBA_PAL_GREEN(x) (((x) >> 5) & 0x1F) +#define GET_GBA_PAL_BLUE(x) (((x) >> 10) & 0x1F) + +#define SET_GBA_PAL(r, g, b) (((b) << 10) | ((g) << 5) | (r)) + +#define UPCONVERT_BIT_DEPTH(x) (((x) * 255) / 31) + +#define DOWNCONVERT_BIT_DEPTH(x) ((x) / 8) + +static void ConvertFromTiles1Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors) +{ + int tilesX = 0; + int tilesY = 0; + int pitch = tilesWidth; + + for (int i = 0; i < numTiles; i++) { + for (int j = 0; j < 8; j++) { + int destY = tilesY * 8 + j; + int destX = tilesX; + unsigned char srcPixelOctet = *src++; + unsigned char *destPixelOctet = &dest[destY * pitch + destX]; + + for (int k = 0; k < 8; k++) { + *destPixelOctet <<= 1; + *destPixelOctet |= (srcPixelOctet & 1) ^ invertColors; + srcPixelOctet >>= 1; + } + } + + tilesX++; + + if (tilesX == tilesWidth) { + tilesX = 0; + tilesY++; + } + } +} + +static void ConvertFromTiles4Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors) +{ + int tilesX = 0; + int tilesY = 0; + int pitch = tilesWidth * 4; + + for (int i = 0; i < numTiles; i++) { + for (int j = 0; j < 8; j++) { + int destY = tilesY * 8 + j; + + for (int k = 0; k < 4; k++) { + int destX = tilesX * 4 + k; + unsigned char srcPixelPair = *src++; + unsigned char leftPixel = srcPixelPair & 0xF; + unsigned char rightPixel = srcPixelPair >> 4; + + if (invertColors) { + leftPixel = 15 - leftPixel; + rightPixel = 15 - rightPixel; + } + + dest[destY * pitch + destX] = (leftPixel << 4) | rightPixel; + } + } + + tilesX++; + + if (tilesX == tilesWidth) { + tilesX = 0; + tilesY++; + } + } +} + +static void ConvertFromTiles8Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors) +{ + int tilesX = 0; + int tilesY = 0; + int pitch = tilesWidth * 8; + + for (int i = 0; i < numTiles; i++) { + for (int j = 0; j < 8; j++) { + int destY = tilesY * 8 + j; + + for (int k = 0; k < 8; k++) { + int destX = tilesX * 8 + k; + unsigned char srcPixel = *src++; + + if (invertColors) + srcPixel = 255 - srcPixel; + + dest[destY * pitch + destX] = srcPixel; + } + } + + tilesX++; + + if (tilesX == tilesWidth) { + tilesX = 0; + tilesY++; + } + } +} + +static void ConvertToTiles1Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors) +{ + int tilesX = 0; + int tilesY = 0; + int pitch = tilesWidth; + + for (int i = 0; i < numTiles; i++) { + for (int j = 0; j < 8; j++) { + int srcY = tilesY * 8 + j; + int srcX = tilesX; + unsigned char srcPixelOctet = src[srcY * pitch + srcX]; + unsigned char *destPixelOctet = dest++; + + for (int k = 0; k < 8; k++) { + *destPixelOctet <<= 1; + *destPixelOctet |= (srcPixelOctet & 1) ^ invertColors; + srcPixelOctet >>= 1; + } + } + + tilesX++; + + if (tilesX == tilesWidth) { + tilesX = 0; + tilesY++; + } + } +} + +static void ConvertToTiles4Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors) +{ + int tilesX = 0; + int tilesY = 0; + int pitch = tilesWidth * 4; + + for (int i = 0; i < numTiles; i++) { + for (int j = 0; j < 8; j++) { + int srcY = tilesY * 8 + j; + + for (int k = 0; k < 4; k++) { + int srcX = tilesX * 4 + k; + unsigned char srcPixelPair = src[srcY * pitch + srcX]; + unsigned char leftPixel = srcPixelPair >> 4; + unsigned char rightPixel = srcPixelPair & 0xF; + + if (invertColors) { + leftPixel = 15 - leftPixel; + rightPixel = 15 - rightPixel; + } + + *dest++ = (rightPixel << 4) | leftPixel; + } + } + + tilesX++; + + if (tilesX == tilesWidth) { + tilesX = 0; + tilesY++; + } + } +} + +static void ConvertToTiles8Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors) +{ + int tilesX = 0; + int tilesY = 0; + int pitch = tilesWidth * 8; + + for (int i = 0; i < numTiles; i++) { + for (int j = 0; j < 8; j++) { + int srcY = tilesY * 8 + j; + + for (int k = 0; k < 8; k++) { + int srcX = tilesX * 8 + k; + unsigned char srcPixel = src[srcY * pitch + srcX]; + + if (invertColors) + srcPixel = 255 - srcPixel; + + *dest++ = srcPixel; + } + } + + tilesX++; + + if (tilesX == tilesWidth) { + tilesX = 0; + tilesY++; + } + } +} + +void ReadImage(char *path, int tilesWidth, int bitDepth, struct Image *image, bool invertColors) +{ + int tileSize = bitDepth * 8; + + int fileSize; + unsigned char *buffer = ReadWholeFile(path, &fileSize); + + int numTiles = fileSize / tileSize; + + int tilesHeight = (numTiles + tilesWidth - 1) / tilesWidth; + + image->width = tilesWidth * 8; + image->height = tilesHeight * 8; + image->bitDepth = bitDepth; + image->pixels = calloc(tilesWidth * tilesHeight, tileSize); + + if (image->pixels == NULL) + FATAL_ERROR("Failed to allocate memory for pixels.\n"); + + switch (bitDepth) { + case 1: + ConvertFromTiles1Bpp(buffer, image->pixels, numTiles, tilesWidth, invertColors); + break; + case 4: + ConvertFromTiles4Bpp(buffer, image->pixels, numTiles, tilesWidth, invertColors); + break; + case 8: + ConvertFromTiles8Bpp(buffer, image->pixels, numTiles, tilesWidth, invertColors); + break; + } + + free(buffer); +} + +void WriteImage(char *path, int numTiles, int bitDepth, struct Image *image, bool invertColors) +{ + int tileSize = bitDepth * 8; + + if (image->width % 8 != 0) + FATAL_ERROR("The width in pixels (%d) isn't a multiple of 8.\n", image->width); + + if (image->height % 8 != 0) + FATAL_ERROR("The height in pixels (%d) isn't a multiple of 8.\n", image->height); + + int tilesWidth = image->width / 8; + int tilesHeight = image->height / 8; + + int maxNumTiles = tilesWidth * tilesHeight; + + if (numTiles == 0) + numTiles = maxNumTiles; + else if (numTiles > maxNumTiles) + FATAL_ERROR("The specified number of tiles (%d) is greater than the maximum possible value (%d).\n", numTiles, maxNumTiles); + + int bufferSize = numTiles * tileSize; + unsigned char *buffer = malloc(bufferSize); + + if (buffer == NULL) + FATAL_ERROR("Failed to allocate memory for pixels.\n"); + + switch (bitDepth) { + case 1: + ConvertToTiles1Bpp(image->pixels, buffer, numTiles, tilesWidth, invertColors); + break; + case 4: + ConvertToTiles4Bpp(image->pixels, buffer, numTiles, tilesWidth, invertColors); + break; + case 8: + ConvertToTiles8Bpp(image->pixels, buffer, numTiles, tilesWidth, invertColors); + break; + } + + WriteWholeFile(path, buffer, bufferSize); + + free(buffer); +} + +void FreeImage(struct Image *image) +{ + free(image->pixels); + image->pixels = NULL; +} + +void ReadGbaPalette(char *path, struct Palette *palette) +{ + int fileSize; + unsigned char *data = ReadWholeFile(path, &fileSize); + + if (fileSize % 2 != 0) + FATAL_ERROR("The file size (%d) is not a multiple of 2.\n", fileSize); + + palette->numColors = fileSize / 2; + + for (int i = 0; i < palette->numColors; i++) { + uint16_t paletteEntry = (data[i * 2 + 1] << 8) | data[i * 2]; + palette->colors[i].red = UPCONVERT_BIT_DEPTH(GET_GBA_PAL_RED(paletteEntry)); + palette->colors[i].green = UPCONVERT_BIT_DEPTH(GET_GBA_PAL_GREEN(paletteEntry)); + palette->colors[i].blue = UPCONVERT_BIT_DEPTH(GET_GBA_PAL_BLUE(paletteEntry)); + } + + free(data); +} + +void WriteGbaPalette(char *path, struct Palette *palette) +{ + FILE *fp = fopen(path, "wb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for writing.\n", path); + + for (int i = 0; i < palette->numColors; i++) { + unsigned char red = DOWNCONVERT_BIT_DEPTH(palette->colors[i].red); + unsigned char green = DOWNCONVERT_BIT_DEPTH(palette->colors[i].green); + unsigned char blue = DOWNCONVERT_BIT_DEPTH(palette->colors[i].blue); + + uint16_t paletteEntry = SET_GBA_PAL(red, green, blue); + + fputc(paletteEntry & 0xFF, fp); + fputc(paletteEntry >> 8, fp); + } + + fclose(fp); +} diff --git a/tools/gbagfx/gfx.h b/tools/gbagfx/gfx.h new file mode 100644 index 000000000..ecd436652 --- /dev/null +++ b/tools/gbagfx/gfx.h @@ -0,0 +1,36 @@ +// Copyright (c) 2015 YamaArashi + +#ifndef GFX_H +#define GFX_H + +#include +#include + +struct Color { + unsigned char red; + unsigned char green; + unsigned char blue; +}; + +struct Palette { + struct Color colors[256]; + int numColors; +}; + +struct Image { + int width; + int height; + int bitDepth; + unsigned char *pixels; + bool hasPalette; + struct Palette palette; + bool hasTransparency; +}; + +void ReadImage(char *path, int tilesWidth, int bitDepth, struct Image *image, bool invertColors); +void WriteImage(char *path, int numTiles, int bitDepth, struct Image *image, bool invertColors); +void FreeImage(struct Image *image); +void ReadGbaPalette(char *path, struct Palette *palette); +void WriteGbaPalette(char *path, struct Palette *palette); + +#endif // GFX_H diff --git a/tools/gbagfx/global.h b/tools/gbagfx/global.h new file mode 100644 index 000000000..65dd351d2 --- /dev/null +++ b/tools/gbagfx/global.h @@ -0,0 +1,31 @@ +// Copyright (c) 2015 YamaArashi + +#ifndef GLOBAL_H +#define GLOBAL_H + +#include +#include + +#ifdef _MSC_VER + +#define FATAL_ERROR(format, ...) \ +do { \ + fprintf(stderr, format, __VA_ARGS__); \ + exit(1); \ +} while (0) + +#define UNUSED + +#else + +#define FATAL_ERROR(format, ...) \ +do { \ + fprintf(stderr, format, ##__VA_ARGS__); \ + exit(1); \ +} while (0) + +#define UNUSED __attribute__((__unused__)) + +#endif // _MSC_VER + +#endif // GLOBAL_H diff --git a/tools/gbagfx/jasc_pal.c b/tools/gbagfx/jasc_pal.c new file mode 100644 index 000000000..e5ba9c3c2 --- /dev/null +++ b/tools/gbagfx/jasc_pal.c @@ -0,0 +1,172 @@ +// Copyright (c) 2015 YamaArashi + +#include +#include +#include "global.h" +#include "gfx.h" +#include "util.h" + +// Read/write Paint Shop Pro palette files. + +// Format of a Paint Shop Pro palette file, line by line: +// "JASC-PAL\r\n" (signature) +// "0100\r\n" (version; seems to always be "0100") +// "\r\n" (number of colors in decimal) +// +// times: +// " \r\n" (color entry) +// +// Each color component is a decimal number from 0 to 255. +// Examples: +// Black - "0 0 0\r\n" +// Blue - "0 0 255\r\n" +// Brown - "150 75 0\r\n" + +#define MAX_LINE_LENGTH 11 + +void ReadJascPaletteLine(FILE *fp, char *line) +{ + int c; + int length = 0; + + for (;;) + { + c = fgetc(fp); + + if (c == '\r') + { + c = fgetc(fp); + + if (c != '\n') + FATAL_ERROR("CR line endings aren't supported.\n"); + + line[length] = 0; + + return; + } + + if (c == '\n') + FATAL_ERROR("LF line endings aren't supported.\n"); + + if (c == EOF) + FATAL_ERROR("Unexpected EOF. No CRLF at end of file.\n"); + + if (c == 0) + FATAL_ERROR("NUL character in file.\n"); + + if (length == MAX_LINE_LENGTH) + { + line[length] = 0; + FATAL_ERROR("The line \"%s\" is too long.\n", line); + } + + line[length++] = c; + } +} + +void ReadJascPalette(char *path, struct Palette *palette) +{ + char line[MAX_LINE_LENGTH + 1]; + + FILE *fp = fopen(path, "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open JASC-PAL file \"%s\" for reading.\n", path); + + ReadJascPaletteLine(fp, line); + + if (strcmp(line, "JASC-PAL") != 0) + FATAL_ERROR("Invalid JASC-PAL signature.\n"); + + ReadJascPaletteLine(fp, line); + + if (strcmp(line, "0100") != 0) + FATAL_ERROR("Unsuported JASC-PAL version.\n"); + + ReadJascPaletteLine(fp, line); + + if (!ParseNumber(line, NULL, 10, &palette->numColors)) + FATAL_ERROR("Failed to parse number of colors.\n"); + + if (palette->numColors < 1 || palette->numColors > 256) + FATAL_ERROR("%d is an invalid number of colors. The number of colors must be in the range [1, 256].\n", palette->numColors); + + for (int i = 0; i < palette->numColors; i++) + { + ReadJascPaletteLine(fp, line); + + char *s = line; + char *end; + + int red; + int green; + int blue; + + if (!ParseNumber(s, &end, 10, &red)) + FATAL_ERROR("Failed to parse red color component.\n"); + + s = end; + + if (*s != ' ') + FATAL_ERROR("Expected a space after red color component.\n"); + + s++; + + if (*s < '0' || *s > '9') + FATAL_ERROR("Expected only a space between red and green color components.\n"); + + if (!ParseNumber(s, &end, 10, &green)) + FATAL_ERROR("Failed to parse green color component.\n"); + + s = end; + + if (*s != ' ') + FATAL_ERROR("Expected a space after green color component.\n"); + + s++; + + if (*s < '0' || *s > '9') + FATAL_ERROR("Expected only a space between green and blue color components.\n"); + + if (!ParseNumber(s, &end, 10, &blue)) + FATAL_ERROR("Failed to parse blue color component.\n"); + + if (*end != 0) + FATAL_ERROR("Garbage after blue color component.\n"); + + if (red < 0 || red > 255) + FATAL_ERROR("Red color component (%d) is outside the range [0, 255].\n", red); + + if (green < 0 || green > 255) + FATAL_ERROR("Green color component (%d) is outside the range [0, 255].\n", green); + + if (blue < 0 || blue > 255) + FATAL_ERROR("Blue color component (%d) is outside the range [0, 255].\n", blue); + + palette->colors[i].red = red; + palette->colors[i].green = green; + palette->colors[i].blue = blue; + } + + if (fgetc(fp) != EOF) + FATAL_ERROR("Garbage after color data.\n"); + + fclose(fp); +} + +void WriteJascPalette(char *path, struct Palette *palette) +{ + FILE *fp = fopen(path, "wb"); + + fputs("JASC-PAL\r\n", fp); + fputs("0100\r\n", fp); + fprintf(fp, "%d\r\n", palette->numColors); + + for (int i = 0; i < palette->numColors; i++) + { + struct Color *color = &palette->colors[i]; + fprintf(fp, "%d %d %d\r\n", color->red, color->green, color->blue); + } + + fclose(fp); +} diff --git a/tools/gbagfx/jasc_pal.h b/tools/gbagfx/jasc_pal.h new file mode 100644 index 000000000..b60b31fc8 --- /dev/null +++ b/tools/gbagfx/jasc_pal.h @@ -0,0 +1,9 @@ +// Copyright (c) 2015 YamaArashi + +#ifndef JASC_PAL_H +#define JASC_PAL_H + +void ReadJascPalette(char *path, struct Palette *palette); +void WriteJascPalette(char *path, struct Palette *palette); + +#endif // JASC_PAL_H diff --git a/tools/gbagfx/lz.c b/tools/gbagfx/lz.c new file mode 100644 index 000000000..c2ba3e327 --- /dev/null +++ b/tools/gbagfx/lz.c @@ -0,0 +1,155 @@ +// Copyright (c) 2015 YamaArashi + +#include +#include +#include "global.h" +#include "lz.h" + +unsigned char *LZDecompress(unsigned char *src, int srcSize, int *uncompressedSize) +{ + if (srcSize < 4) + goto fail; + + int destSize = (src[3] << 16) | (src[2] << 8) | src[1]; + + unsigned char *dest = malloc(destSize); + + if (dest == NULL) + goto fail; + + int srcPos = 4; + int destPos = 0; + + for (;;) { + if (srcPos >= srcSize) + goto fail; + + unsigned char flags = src[srcPos++]; + + for (int i = 0; i < 8; i++) { + if (flags & 0x80) { + if (srcPos + 1 >= srcSize) + goto fail; + + int blockSize = (src[srcPos] >> 4) + 3; + int blockDistance = (((src[srcPos] & 0xF) << 8) | src[srcPos + 1]) + 1; + + srcPos += 2; + + int blockPos = destPos - blockDistance; + + // Some Ruby/Sapphire tilesets overflow. + if (destPos + blockSize > destSize) { + blockSize = destSize - destPos; + fprintf(stderr, "Destination buffer overflow.\n"); + } + + if (blockPos < 0) + goto fail; + + for (int j = 0; j < blockSize; j++) + dest[destPos++] = dest[blockPos + j]; + } else { + if (srcPos >= srcSize || destPos >= destSize) + goto fail; + + dest[destPos++] = src[srcPos++]; + } + + if (destPos == destSize) { + *uncompressedSize = destSize; + return dest; + } + + flags <<= 1; + } + } + +fail: + FATAL_ERROR("Fatal error while decompressing LZ file.\n"); +} + +unsigned char *LZCompress(unsigned char *src, int srcSize, int *compressedSize) +{ + const int minDistance = 2; // for compatibility with LZ77UnCompVram() + + if (srcSize <= 0) + goto fail; + + int worstCaseDestSize = 4 + srcSize + ((srcSize + 7) / 8); + + // Round up to the next multiple of four. + worstCaseDestSize = (worstCaseDestSize + 3) & ~3; + + unsigned char *dest = malloc(worstCaseDestSize); + + if (dest == NULL) + goto fail; + + // header + dest[0] = 0x10; // LZ compression type + dest[1] = (unsigned char)srcSize; + dest[2] = (unsigned char)(srcSize >> 8); + dest[3] = (unsigned char)(srcSize >> 16); + + int srcPos = 0; + int destPos = 4; + + for (;;) { + unsigned char *flags = &dest[destPos++]; + *flags = 0; + + for (int i = 0; i < 8; i++) { + int bestBlockDistance = 0; + int bestBlockSize = 0; + int blockDistance = minDistance; + + while (blockDistance <= srcPos && blockDistance <= 0x1000) { + int blockStart = srcPos - blockDistance; + int blockSize = 0; + + while (blockSize < 18 + && srcPos + blockSize < srcSize + && src[blockStart + blockSize] == src[srcPos + blockSize]) + blockSize++; + + if (blockSize > bestBlockSize) { + bestBlockDistance = blockDistance; + bestBlockSize = blockSize; + + if (blockSize == 18) + break; + } + + blockDistance++; + } + + if (bestBlockSize >= 3) { + *flags |= (0x80 >> i); + srcPos += bestBlockSize; + bestBlockSize -= 3; + bestBlockDistance--; + dest[destPos++] = (bestBlockSize << 4) | ((unsigned int)bestBlockDistance >> 8); + dest[destPos++] = (unsigned char)bestBlockDistance; + } else { + dest[destPos++] = src[srcPos++]; + } + + if (srcPos == srcSize) { + // Pad to multiple of 4 bytes. + int remainder = destPos % 4; + + if (remainder != 0) { + for (int i = 0; i < 4 - remainder; i++) + dest[destPos++] = 0; + } + + *compressedSize = destPos; + return dest; + } + } + } + +fail: + FATAL_ERROR("Fatal error while compressing LZ file.\n"); +} diff --git a/tools/gbagfx/lz.h b/tools/gbagfx/lz.h new file mode 100644 index 000000000..164d62279 --- /dev/null +++ b/tools/gbagfx/lz.h @@ -0,0 +1,9 @@ +// Copyright (c) 2015 YamaArashi + +#ifndef LZ_H +#define LZ_H + +unsigned char *LZDecompress(unsigned char *src, int srcSize, int *uncompressedSize); +unsigned char *LZCompress(unsigned char *src, int srcSize, int *compressedSize); + +#endif // LZ_H diff --git a/tools/gbagfx/main.c b/tools/gbagfx/main.c new file mode 100644 index 000000000..97db60e84 --- /dev/null +++ b/tools/gbagfx/main.c @@ -0,0 +1,402 @@ +// Copyright (c) 2015 YamaArashi + +#include +#include +#include +#include "global.h" +#include "util.h" +#include "gfx.h" +#include "convert_png.h" +#include "jasc_pal.h" +#include "lz.h" +#include "rl.h" +#include "font.h" + +struct CommandHandler +{ + const char *inputFileExtension; + const char *outputFileExtension; + void(*function)(char *inputPath, char *outputPath, int argc, char **argv); +}; + +void ConvertGbaToPng(char *inputPath, char *outputPath, int width, int bitDepth, char *paletteFilePath, bool hasTransparency) +{ + struct Image image; + + if (paletteFilePath != NULL) + { + ReadGbaPalette(paletteFilePath, &image.palette); + image.hasPalette = true; + } + else + { + image.hasPalette = false; + } + + ReadImage(inputPath, width, bitDepth, &image, !image.hasPalette); + + image.hasTransparency = hasTransparency; + + WritePng(outputPath, &image); + + FreeImage(&image); +} + +void ConvertPngToGba(char *inputPath, char *outputPath, int numTiles, int bitDepth) +{ + struct Image image; + + image.bitDepth = bitDepth; + + ReadPng(inputPath, &image); + + WriteImage(outputPath, numTiles, bitDepth, &image, !image.hasPalette); + + FreeImage(&image); +} + +void HandleGbaToPngCommand(char *inputPath, char *outputPath, int argc, char **argv) +{ + char *inputFileExtension = GetFileExtension(inputPath); + int bitDepth = inputFileExtension[0] - '0'; + char *paletteFilePath = NULL; + bool hasTransparency = false; + int width = 1; + + for (int i = 3; i < argc; i++) + { + char *option = argv[i]; + + if (strcmp(option, "-palette") == 0) + { + if (i + 1 >= argc) + FATAL_ERROR("No palette file path following \"-palette\".\n"); + + i++; + + paletteFilePath = argv[i]; + } + else if (strcmp(option, "-object") == 0) + { + hasTransparency = true; + } + else if (strcmp(option, "-width") == 0) + { + if (i + 1 >= argc) + FATAL_ERROR("No width following \"-width\".\n"); + + i++; + + if (!ParseNumber(argv[i], NULL, 10, &width)) + FATAL_ERROR("Failed to parse width.\n"); + + if (width < 1) + FATAL_ERROR("Width must be positive.\n"); + } + else + { + FATAL_ERROR("Unrecognized option \"%s\".\n", option); + } + } + + ConvertGbaToPng(inputPath, outputPath, width, bitDepth, paletteFilePath, hasTransparency); +} + +void HandlePngToGbaCommand(char *inputPath, char *outputPath, int argc, char **argv) +{ + char *outputFileExtension = GetFileExtension(outputPath); + int bitDepth = outputFileExtension[0] - '0'; + int numTiles = 0; + + for (int i = 3; i < argc; i++) + { + char *option = argv[i]; + + if (strcmp(option, "-num_tiles") == 0) + { + if (i + 1 >= argc) + FATAL_ERROR("No number of tiles following \"-num_tiles\".\n"); + + i++; + + if (!ParseNumber(argv[i], NULL, 10, &numTiles)) + FATAL_ERROR("Failed to parse number of tiles.\n"); + + if (numTiles < 1) + FATAL_ERROR("Number of tiles must be positive.\n"); + } + else + { + FATAL_ERROR("Unrecognized option \"%s\".\n", option); + } + } + + ConvertPngToGba(inputPath, outputPath, numTiles, bitDepth); +} + +void HandlePngToGbaPaletteCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED) +{ + struct Palette palette; + + ReadPngPalette(inputPath, &palette); + WriteGbaPalette(outputPath, &palette); +} + +void HandleGbaToJascPaletteCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED) +{ + struct Palette palette; + + ReadGbaPalette(inputPath, &palette); + WriteJascPalette(outputPath, &palette); +} + +void HandleJascToGbaPaletteCommand(char *inputPath, char *outputPath, int argc, char **argv) +{ + int numColors = 0; + + for (int i = 3; i < argc; i++) + { + char *option = argv[i]; + + if (strcmp(option, "-num_colors") == 0) + { + if (i + 1 >= argc) + FATAL_ERROR("No number of colors following \"-num_colors\".\n"); + + i++; + + if (!ParseNumber(argv[i], NULL, 10, &numColors)) + FATAL_ERROR("Failed to parse number of colors.\n"); + + if (numColors < 1) + FATAL_ERROR("Number of colors must be positive.\n"); + } + else + { + FATAL_ERROR("Unrecognized option \"%s\".\n", option); + } + } + + struct Palette palette; + + ReadJascPalette(inputPath, &palette); + + if (numColors != 0) + palette.numColors = numColors; + + WriteGbaPalette(outputPath, &palette); +} + +void HandleLatinFontToPngCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED) +{ + struct Image image; + + ReadLatinFont(inputPath, &image); + WritePng(outputPath, &image); + + FreeImage(&image); +} + +void HandlePngToLatinFontCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED) +{ + struct Image image; + + image.bitDepth = 2; + + ReadPng(inputPath, &image); + WriteLatinFont(outputPath, &image); + + FreeImage(&image); +} + +void HandleHalfwidthJapaneseFontToPngCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED) +{ + struct Image image; + + ReadHalfwidthJapaneseFont(inputPath, &image); + WritePng(outputPath, &image); + + FreeImage(&image); +} + +void HandlePngToHalfwidthJapaneseFontCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED) +{ + struct Image image; + + image.bitDepth = 2; + + ReadPng(inputPath, &image); + WriteHalfwidthJapaneseFont(outputPath, &image); + + FreeImage(&image); +} + +void HandleFullwidthJapaneseFontToPngCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED) +{ + struct Image image; + + ReadFullwidthJapaneseFont(inputPath, &image); + WritePng(outputPath, &image); + + FreeImage(&image); +} + +void HandlePngToFullwidthJapaneseFontCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED) +{ + struct Image image; + + image.bitDepth = 2; + + ReadPng(inputPath, &image); + WriteFullwidthJapaneseFont(outputPath, &image); + + FreeImage(&image); +} + +void HandleLZCompressCommand(char *inputPath, char *outputPath, int argc, char **argv) +{ + int overflowSize = 0; + + for (int i = 3; i < argc; i++) + { + char *option = argv[i]; + + if (strcmp(option, "-overflow") == 0) + { + if (i + 1 >= argc) + FATAL_ERROR("No size following \"-overflow\".\n"); + + i++; + + if (!ParseNumber(argv[i], NULL, 10, &overflowSize)) + FATAL_ERROR("Failed to parse overflow size.\n"); + + if (overflowSize < 1) + FATAL_ERROR("Overflow size must be positive.\n"); + } + else + { + FATAL_ERROR("Unrecognized option \"%s\".\n", option); + } + } + + // The overflow option allows a quirk in some of Ruby/Sapphire's tilesets + // to be reproduced. It works by appending a number of zeros to the data + // before compressing it and then amending the LZ header's size field to + // reflect the expected size. This will cause an overflow when decompressing + // the data. + + int fileSize; + unsigned char *buffer = ReadWholeFileZeroPadded(inputPath, &fileSize, overflowSize); + + int compressedSize; + unsigned char *compressedData = LZCompress(buffer, fileSize + overflowSize, &compressedSize); + + compressedData[1] = (unsigned char)fileSize; + compressedData[2] = (unsigned char)(fileSize >> 8); + compressedData[3] = (unsigned char)(fileSize >> 16); + + free(buffer); + + WriteWholeFile(outputPath, compressedData, compressedSize); + + free(compressedData); +} + +void HandleLZDecompressCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED) +{ + int fileSize; + unsigned char *buffer = ReadWholeFile(inputPath, &fileSize); + + int uncompressedSize; + unsigned char *uncompressedData = LZDecompress(buffer, fileSize, &uncompressedSize); + + free(buffer); + + WriteWholeFile(outputPath, uncompressedData, uncompressedSize); + + free(uncompressedData); +} + +void HandleRLCompressCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED) +{ + int fileSize; + unsigned char *buffer = ReadWholeFile(inputPath, &fileSize); + + int compressedSize; + unsigned char *compressedData = RLCompress(buffer, fileSize, &compressedSize); + + free(buffer); + + WriteWholeFile(outputPath, compressedData, compressedSize); + + free(compressedData); +} + +void HandleRLDecompressCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED) +{ + int fileSize; + unsigned char *buffer = ReadWholeFile(inputPath, &fileSize); + + int uncompressedSize; + unsigned char *uncompressedData = RLDecompress(buffer, fileSize, &uncompressedSize); + + free(buffer); + + WriteWholeFile(outputPath, uncompressedData, uncompressedSize); + + free(uncompressedData); +} + +int main(int argc, char **argv) +{ + if (argc < 3) + FATAL_ERROR("Usage: gbagfx INPUT_PATH OUTPUT_PATH [options...]\n"); + + struct CommandHandler handlers[] = + { + { "1bpp", "png", HandleGbaToPngCommand }, + { "4bpp", "png", HandleGbaToPngCommand }, + { "8bpp", "png", HandleGbaToPngCommand }, + { "png", "1bpp", HandlePngToGbaCommand }, + { "png", "4bpp", HandlePngToGbaCommand }, + { "png", "8bpp", HandlePngToGbaCommand }, + { "png", "gbapal", HandlePngToGbaPaletteCommand }, + { "gbapal", "pal", HandleGbaToJascPaletteCommand }, + { "pal", "gbapal", HandleJascToGbaPaletteCommand }, + { "latfont", "png", HandleLatinFontToPngCommand }, + { "png", "latfont", HandlePngToLatinFontCommand }, + { "hwjpnfont", "png", HandleHalfwidthJapaneseFontToPngCommand }, + { "png", "hwjpnfont", HandlePngToHalfwidthJapaneseFontCommand }, + { "fwjpnfont", "png", HandleFullwidthJapaneseFontToPngCommand }, + { "png", "fwjpnfont", HandlePngToFullwidthJapaneseFontCommand }, + { NULL, "lz", HandleLZCompressCommand }, + { "lz", NULL, HandleLZDecompressCommand }, + { NULL, "rl", HandleRLCompressCommand }, + { "rl", NULL, HandleRLDecompressCommand }, + { NULL, NULL, NULL } + }; + + char *inputPath = argv[1]; + char *outputPath = argv[2]; + char *inputFileExtension = GetFileExtension(inputPath); + char *outputFileExtension = GetFileExtension(outputPath); + + if (inputFileExtension == NULL) + FATAL_ERROR("Input file \"%s\" has no extension.\n", inputPath); + + if (outputFileExtension == NULL) + FATAL_ERROR("Output file \"%s\" has no extension.\n", outputPath); + + for (int i = 0; handlers[i].function != NULL; i++) + { + if ((handlers[i].inputFileExtension == NULL || strcmp(handlers[i].inputFileExtension, inputFileExtension) == 0) + && (handlers[i].outputFileExtension == NULL || strcmp(handlers[i].outputFileExtension, outputFileExtension) == 0)) + { + handlers[i].function(inputPath, outputPath, argc, argv); + return 0; + } + } + + FATAL_ERROR("Don't know how to convert \"%s\" to \"%s\".\n", inputPath, outputPath); +} diff --git a/tools/gbagfx/rl.c b/tools/gbagfx/rl.c new file mode 100644 index 000000000..968c9347e --- /dev/null +++ b/tools/gbagfx/rl.c @@ -0,0 +1,149 @@ +// Copyright (c) 2016 YamaArashi + +#include +#include +#include "global.h" +#include "rl.h" + +unsigned char *RLDecompress(unsigned char *src, int srcSize, int *uncompressedSize) +{ + if (srcSize < 4) + goto fail; + + int destSize = (src[3] << 16) | (src[2] << 8) | src[1]; + + unsigned char *dest = malloc(destSize); + + if (dest == NULL) + goto fail; + + int srcPos = 4; + int destPos = 0; + + for (;;) + { + if (srcPos >= srcSize) + goto fail; + + unsigned char flags = src[srcPos++]; + bool compressed = ((flags & 0x80) != 0); + + if (compressed) + { + int length = (flags & 0x7F) + 3; + unsigned char data = src[srcPos++]; + + if (destPos + length > destSize) + goto fail; + + for (int i = 0; i < length; i++) + dest[destPos++] = data; + } + else + { + int length = (flags & 0x7F) + 1; + + if (destPos + length > destSize) + goto fail; + + for (int i = 0; i < length; i++) + dest[destPos++] = src[srcPos++]; + } + + if (destPos == destSize) + { + *uncompressedSize = destSize; + return dest; + } + } + +fail: + FATAL_ERROR("Fatal error while decompressing RL file.\n"); +} + +unsigned char *RLCompress(unsigned char *src, int srcSize, int *compressedSize) +{ + if (srcSize <= 0) + goto fail; + + int worstCaseDestSize = 4 + srcSize * 2; + + // Round up to the next multiple of four. + worstCaseDestSize = (worstCaseDestSize + 3) & ~3; + + unsigned char *dest = malloc(worstCaseDestSize); + + if (dest == NULL) + goto fail; + + // header + dest[0] = 0x30; // RL compression type + dest[1] = (unsigned char)srcSize; + dest[2] = (unsigned char)(srcSize >> 8); + dest[3] = (unsigned char)(srcSize >> 16); + + int srcPos = 0; + int destPos = 4; + + for (;;) + { + bool compress = false; + int uncompressedStart = srcPos; + int uncompressedLength = 0; + + while (srcPos < srcSize && uncompressedLength < (0x7F + 1)) + { + compress = (srcPos + 2 < srcSize && src[srcPos] == src[srcPos + 1] && src[srcPos] == src[srcPos + 2]); + + if (compress) + break; + + srcPos++; + uncompressedLength++; + } + + if (uncompressedLength > 0) + { + dest[destPos++] = uncompressedLength - 1; + + for (int i = 0; i < uncompressedLength; i++) + dest[destPos++] = src[uncompressedStart + i]; + } + + if (compress) + { + unsigned char data = src[srcPos]; + int compressedLength = 0; + + while (compressedLength < (0x7F + 3) + && srcPos + compressedLength < srcSize + && src[srcPos + compressedLength] == data) + { + compressedLength++; + } + + dest[destPos++] = 0x80 | (compressedLength - 3); + dest[destPos++] = data; + + srcPos += compressedLength; + } + + if (srcPos == srcSize) + { + // Pad to multiple of 4 bytes. + int remainder = destPos % 4; + + if (remainder != 0) + { + for (int i = 0; i < 4 - remainder; i++) + dest[destPos++] = 0; + } + + *compressedSize = destPos; + return dest; + } + } + +fail: + FATAL_ERROR("Fatal error while compressing RL file.\n"); +} diff --git a/tools/gbagfx/rl.h b/tools/gbagfx/rl.h new file mode 100644 index 000000000..02ad8d6d3 --- /dev/null +++ b/tools/gbagfx/rl.h @@ -0,0 +1,9 @@ +// Copyright (c) 2016 YamaArashi + +#ifndef RL_H +#define RL_H + +unsigned char *RLDecompress(unsigned char *src, int srcSize, int *uncompressedSize); +unsigned char *RLCompress(unsigned char *src, int srcSize, int *compressedSize); + +#endif // RL_H diff --git a/tools/gbagfx/util.c b/tools/gbagfx/util.c new file mode 100644 index 000000000..87abeb31c --- /dev/null +++ b/tools/gbagfx/util.c @@ -0,0 +1,124 @@ +// Copyright (c) 2015 YamaArashi + +#include +#include +#include +#include +#include +#include +#include "global.h" +#include "util.h" + +bool ParseNumber(char *s, char **end, int radix, int *intValue) +{ + char *localEnd; + + if (end == NULL) + end = &localEnd; + + errno = 0; + + const long longValue = strtol(s, end, radix); + + if (*end == s) + return false; // not a number + + if ((longValue == LONG_MIN || longValue == LONG_MAX) && errno == ERANGE) + return false; + + if (longValue > INT_MAX) + return false; + + if (longValue < INT_MIN) + return false; + + *intValue = (int)longValue; + + return true; +} + +char *GetFileExtension(char *path) +{ + char *extension = path; + + while (*extension != 0) + extension++; + + while (extension > path && *extension != '.') + extension--; + + if (extension == path) + return NULL; + + extension++; + + if (*extension == 0) + return NULL; + + return extension; +} + +unsigned char *ReadWholeFile(char *path, int *size) +{ + FILE *fp = fopen(path, "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", path); + + fseek(fp, 0, SEEK_END); + + *size = ftell(fp); + + unsigned char *buffer = malloc(*size); + + if (buffer == NULL) + FATAL_ERROR("Failed to allocate memory for reading \"%s\".\n", path); + + rewind(fp); + + if (fread(buffer, *size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", path); + + fclose(fp); + + return buffer; +} + +unsigned char *ReadWholeFileZeroPadded(char *path, int *size, int padAmount) +{ + FILE *fp = fopen(path, "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", path); + + fseek(fp, 0, SEEK_END); + + *size = ftell(fp); + + unsigned char *buffer = calloc(*size + padAmount, 1); + + if (buffer == NULL) + FATAL_ERROR("Failed to allocate memory for reading \"%s\".\n", path); + + rewind(fp); + + if (fread(buffer, *size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", path); + + fclose(fp); + + return buffer; +} + +void WriteWholeFile(char *path, void *buffer, int bufferSize) +{ + FILE *fp = fopen(path, "wb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for writing.\n", path); + + if (fwrite(buffer, bufferSize, 1, fp) != 1) + FATAL_ERROR("Failed to write to \"%s\".\n", path); + + fclose(fp); +} diff --git a/tools/gbagfx/util.h b/tools/gbagfx/util.h new file mode 100644 index 000000000..6d7a9c21e --- /dev/null +++ b/tools/gbagfx/util.h @@ -0,0 +1,14 @@ +// Copyright (c) 2015 YamaArashi + +#ifndef UTIL_H +#define UTIL_H + +#include + +bool ParseNumber(char *s, char **end, int radix, int *intValue); +char *GetFileExtension(char *path); +unsigned char *ReadWholeFile(char *path, int *size); +unsigned char *ReadWholeFileZeroPadded(char *path, int *size, int padAmount); +void WriteWholeFile(char *path, void *buffer, int bufferSize); + +#endif // UTIL_H diff --git a/tools/mid2agb/.gitignore b/tools/mid2agb/.gitignore new file mode 100644 index 000000000..0e7264c86 --- /dev/null +++ b/tools/mid2agb/.gitignore @@ -0,0 +1 @@ +mid2agb diff --git a/tools/mid2agb/LICENSE b/tools/mid2agb/LICENSE new file mode 100644 index 000000000..534d15349 --- /dev/null +++ b/tools/mid2agb/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2016 YamaArashi + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/tools/mid2agb/Makefile b/tools/mid2agb/Makefile new file mode 100644 index 000000000..f27f2cad4 --- /dev/null +++ b/tools/mid2agb/Makefile @@ -0,0 +1,15 @@ +CXX := g++ + +CXXFLAGS := -std=c++11 -O2 -s -Wall -Wno-switch -Werror + +SRCS := agb.cpp error.cpp main.cpp midi.cpp tables.cpp + +HEADERS := agb.h error.h main.h midi.h tables.h + +.PHONY: clean + +mid2agb: $(SRCS) $(HEADERS) + $(CXX) $(CXXFLAGS) $(SRCS) -o $@ $(LDFLAGS) + +clean: + $(RM) mid2agb mid2agb.exe diff --git a/tools/mid2agb/agb.cpp b/tools/mid2agb/agb.cpp new file mode 100644 index 000000000..9ff1efa86 --- /dev/null +++ b/tools/mid2agb/agb.cpp @@ -0,0 +1,462 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include +#include "agb.h" +#include "main.h" +#include "midi.h" +#include "tables.h" + +int g_agbTrack; + +static std::string s_lastOpName; +static int s_blockNum; +static bool s_keepLastOpName; +static int s_lastNote; +static int s_lastVelocity; +static bool s_noteChanged; +static bool s_velocityChanged; +static bool s_inPattern; +static int s_extendedCommand; + +void PrintAgbHeader() +{ + std::fprintf(g_outputFile, "\t.include \"MPlayDef.s\"\n\n"); + std::fprintf(g_outputFile, "\t.equ\t%s_grp, voicegroup%03u\n", g_asmLabel.c_str(), g_voiceGroup); + std::fprintf(g_outputFile, "\t.equ\t%s_pri, %u\n", g_asmLabel.c_str(), g_priority); + + if (g_reverb >= 0) + std::fprintf(g_outputFile, "\t.equ\t%s_rev, reverb_set+%u\n", g_asmLabel.c_str(), g_reverb); + else + std::fprintf(g_outputFile, "\t.equ\t%s_rev, 0\n", g_asmLabel.c_str()); + + std::fprintf(g_outputFile, "\t.equ\t%s_mvl, %u\n", g_asmLabel.c_str(), g_masterVolume); + std::fprintf(g_outputFile, "\t.equ\t%s_key, %u\n", g_asmLabel.c_str(), 0); + std::fprintf(g_outputFile, "\t.equ\t%s_tbs, %u\n", g_asmLabel.c_str(), g_clocksPerBeat); + std::fprintf(g_outputFile, "\t.equ\t%s_exg, %u\n", g_asmLabel.c_str(), g_exactGateTime); + std::fprintf(g_outputFile, "\t.equ\t%s_cmp, %u\n", g_asmLabel.c_str(), g_compressionEnabled); + + std::fprintf(g_outputFile, "\n\t.section .rodata\n"); + std::fprintf(g_outputFile, "\t.global\t%s\n", g_asmLabel.c_str()); + + std::fprintf(g_outputFile, "\t.align\t2\n"); +} + +void ResetTrackVars() +{ + s_lastVelocity = -1; + s_lastNote = -1; + s_velocityChanged = false; + s_noteChanged = false; + s_keepLastOpName = false; + s_lastOpName = ""; + s_inPattern = false; +} + +void PrintWait(int wait) +{ + if (wait > 0) + { + std::fprintf(g_outputFile, "\t.byte\tW%02d\n", wait); + s_velocityChanged = true; + s_noteChanged = true; + s_keepLastOpName = true; + } +} + +void PrintOp(int wait, std::string name, const char *format, ...) +{ + std::va_list args; + va_start(args, format); + std::fprintf(g_outputFile, "\t.byte\t\t"); + + if (format != nullptr) + { + if (!g_compressionEnabled || s_lastOpName != name) + { + std::fprintf(g_outputFile, "%s, ", name.c_str()); + s_lastOpName = name; + } + else + { + std::fprintf(g_outputFile, " "); + } + std::vfprintf(g_outputFile, format, args); + } + else + { + std::fputs(name.c_str(), g_outputFile); + s_lastOpName = name; + } + + std::fprintf(g_outputFile, "\n"); + + va_end(args); + + PrintWait(wait); +} + +void PrintByte(const char *format, ...) +{ + std::va_list args; + va_start(args, format); + std::fprintf(g_outputFile, "\t.byte\t"); + std::vfprintf(g_outputFile, format, args); + std::fprintf(g_outputFile, "\n"); + s_velocityChanged = true; + s_noteChanged = true; + s_keepLastOpName = true; + va_end(args); +} + +void PrintWord(const char *format, ...) +{ + std::va_list args; + va_start(args, format); + std::fprintf(g_outputFile, "\t .word\t"); + std::vfprintf(g_outputFile, format, args); + std::fprintf(g_outputFile, "\n"); + va_end(args); +} + +void PrintNote(const Event& event) +{ + int note = event.note; + int velocity = g_noteVelocityLUT[event.param1]; + int duration = -1; + + if (event.param2 != -1) + duration = g_noteDurationLUT[event.param2]; + + int gateTimeParam = 0; + + if (g_exactGateTime && duration != -1) + gateTimeParam = event.param2 - duration; + + char gtpBuf[16]; + + if (gateTimeParam > 0) + std::snprintf(gtpBuf, sizeof(gtpBuf), ", gtp%u", gateTimeParam); + else + gtpBuf[0] = 0; + + char opName[16]; + + if (duration == -1) + std::strcpy(opName, "TIE "); + else + std::snprintf(opName, sizeof(opName), "N%02u ", duration); + + bool noteChanged = true; + bool velocityChanged = true; + + if (g_compressionEnabled) + { + noteChanged = (note != s_lastNote); + velocityChanged = (velocity != s_lastVelocity); + } + + if (s_keepLastOpName) + s_keepLastOpName = false; + else + s_lastOpName = ""; + + if (noteChanged || velocityChanged || (gateTimeParam > 0)) + { + s_lastNote = note; + + char noteBuf[16]; + + if (note >= 24) + std::snprintf(noteBuf, sizeof(noteBuf), g_noteTable[note % 12], note / 12 - 2); + else + std::snprintf(noteBuf, sizeof(noteBuf), g_minusNoteTable[note % 12], note / -12 + 2); + + char velocityBuf[16]; + + if (velocityChanged || (gateTimeParam > 0)) + { + s_lastVelocity = velocity; + std::snprintf(velocityBuf, sizeof(velocityBuf), ", v%03u", velocity); + } + else + { + velocityBuf[0] = 0; + } + + PrintOp(event.time, opName, "%s%s%s", noteBuf, velocityBuf, gtpBuf); + } + else + { + PrintOp(event.time, opName, 0); + } + + s_noteChanged = noteChanged; + s_velocityChanged = velocityChanged; +} + +void PrintEndOfTieOp(const Event& event) +{ + int note = event.note; + bool noteChanged = (note != s_lastNote); + + if (!noteChanged || !s_noteChanged) + s_lastOpName = ""; + + if (!noteChanged && g_compressionEnabled) + { + PrintOp(event.time, "EOT ", nullptr); + } + else + { + s_lastNote = note; + if (note >= 24) + PrintOp(event.time, "EOT ", g_noteTable[note % 12], note / 12 - 2); + else + PrintOp(event.time, "EOT ", g_minusNoteTable[note % 12], note / -12 + 2); + } + + s_noteChanged = noteChanged; +} + +void PrintSeqLoopLabel(const Event& event) +{ + s_blockNum = event.param1 + 1; + std::fprintf(g_outputFile, "%s_%u_B%u:\n", g_asmLabel.c_str(), g_agbTrack, s_blockNum); + PrintWait(event.time); + ResetTrackVars(); +} + +void PrintExtendedOp(const Event& event) +{ + // TODO: support for other extended commands + + switch (s_extendedCommand) + { + case 0x08: + PrintOp(event.time, "XCMD ", "xIECV , %u", event.param2); + break; + case 0x09: + PrintOp(event.time, "XCMD ", "xIECL , %u", event.param2); + break; + default: + PrintWait(event.time); + break; + } +} + +void PrintControllerOp(const Event& event) +{ + switch (event.param1) + { + case 0x01: + PrintOp(event.time, "MOD ", "%u", event.param2); + break; + case 0x07: + PrintOp(event.time, "VOL ", "%u*%s_mvl/mxv", event.param2, g_asmLabel.c_str()); + break; + case 0x0A: + PrintOp(event.time, "PAN ", "c_v%+d", event.param2 - 64); + break; + case 0x0C: + case 0x10: + // TODO: memacc + break; + case 0x0D: + // TODO: memacc var + break; + case 0x0E: + // TODO: memacc var + break; + case 0x0F: + // TODO: memacc var + break; + case 0x11: + std::fprintf(g_outputFile, "%s_%u_L%u:\n", g_asmLabel.c_str(), g_agbTrack, event.param2); + PrintWait(event.time); + ResetTrackVars(); + break; + case 0x14: + PrintOp(event.time, "BENDR ", "%u", event.param2); + break; + case 0x15: + PrintOp(event.time, "LFOS ", "%u", event.param2); + break; + case 0x16: + PrintOp(event.time, "MODT ", "%u", event.param2); + break; + case 0x18: + PrintOp(event.time, "TUNE ", "c_v%+d", event.param2 - 64); + break; + case 0x1A: + PrintOp(event.time, "LFODL ", "%u", event.param2); + break; + case 0x1D: + case 0x1F: + PrintExtendedOp(event); + break; + case 0x1E: + s_extendedCommand = event.param2; + // TODO: loop op + break; + case 0x21: + case 0x27: + PrintByte("PRIO , %u", event.param2); + PrintWait(event.time); + break; + default: + PrintWait(event.time); + break; + } +} + +void PrintAgbTrack(std::vector& events) +{ + std::fprintf(g_outputFile, "\n@**************** Track %u (Midi-Chn.%u) ****************@\n\n", g_agbTrack, g_midiChan + 1); + std::fprintf(g_outputFile, "%s_%u:\n", g_asmLabel.c_str(), g_agbTrack); + PrintWait(g_initialWait); + PrintByte("KEYSH , %s_key%+d", g_asmLabel.c_str(), 0); + + int wholeNoteCount = 0; + int loopEndBlockNum = 0; + + ResetTrackVars(); + + bool foundVolBeforeNote = false; + + for (const Event& event : events) + { + if (event.type == EventType::Note) + break; + + if (event.type == EventType::Controller && event.param1 == 0x07) + { + foundVolBeforeNote = true; + break; + } + } + + if (!foundVolBeforeNote) + PrintByte("\tVOL , 127*%s_mvl/mxv", g_asmLabel.c_str()); + + for (unsigned i = 0; events[i].type != EventType::EndOfTrack; i++) + { + const Event& event = events[i]; + + if (IsPatternBoundary(event.type)) + { + if (s_inPattern) + PrintByte("PEND"); + s_inPattern = false; + } + + if (event.type == EventType::WholeNoteMark || event.type == EventType::Pattern) + std::fprintf(g_outputFile, "@ %03d ----------------------------------------\n", wholeNoteCount++); + + switch (event.type) + { + case EventType::Note: + PrintNote(event); + break; + case EventType::EndOfTie: + PrintEndOfTieOp(event); + break; + case EventType::Label: + PrintSeqLoopLabel(event); + break; + case EventType::LoopEnd: + PrintByte("GOTO"); + PrintWord("%s_%u_B%u", g_asmLabel.c_str(), g_agbTrack, loopEndBlockNum); + PrintSeqLoopLabel(event); + break; + case EventType::LoopEndBegin: + PrintByte("GOTO"); + PrintWord("%s_%u_B%u", g_asmLabel.c_str(), g_agbTrack, loopEndBlockNum); + PrintSeqLoopLabel(event); + loopEndBlockNum = s_blockNum; + break; + case EventType::LoopBegin: + PrintSeqLoopLabel(event); + loopEndBlockNum = s_blockNum; + break; + case EventType::WholeNoteMark: + if (event.param2 & 0x80000000) + { + std::fprintf(g_outputFile, "%s_%u_%03lu:\n", g_asmLabel.c_str(), g_agbTrack, (unsigned long)(event.param2 & 0x7FFFFFFF)); + ResetTrackVars(); + s_inPattern = true; + } + PrintWait(event.time); + break; + case EventType::Pattern: + PrintByte("PATT"); + PrintWord("%s_%u_%03lu", g_asmLabel.c_str(), g_agbTrack, event.param2); + + while (!IsPatternBoundary(events[i + 1].type)) + i++; + + ResetTrackVars(); + break; + case EventType::Tempo: + PrintByte("TEMPO , %u*%s_tbs/2", 60000000 / event.param2, g_asmLabel.c_str()); + PrintWait(event.time); + break; + case EventType::InstrumentChange: + PrintOp(event.time, "VOICE ", "%u", event.param1); + break; + case EventType::PitchBend: + PrintOp(event.time, "BEND ", "c_v%+d", event.param2 - 64); + break; + case EventType::Controller: + PrintControllerOp(event); + break; + default: + PrintWait(event.time); + break; + } + } + + PrintByte("FINE"); +} + +void PrintAgbFooter() +{ + int trackCount = g_agbTrack - 1; + + std::fprintf(g_outputFile, "\n@******************************************************@\n"); + std::fprintf(g_outputFile, "\t.align\t2\n"); + std::fprintf(g_outputFile, "\n%s:\n", g_asmLabel.c_str()); + std::fprintf(g_outputFile, "\t.byte\t%u\t@ NumTrks\n", trackCount); + std::fprintf(g_outputFile, "\t.byte\t%u\t@ NumBlks\n", 0); + std::fprintf(g_outputFile, "\t.byte\t%s_pri\t@ Priority\n", g_asmLabel.c_str()); + std::fprintf(g_outputFile, "\t.byte\t%s_rev\t@ Reverb.\n", g_asmLabel.c_str()); + std::fprintf(g_outputFile, "\n"); + std::fprintf(g_outputFile, "\t.word\t%s_grp\n", g_asmLabel.c_str()); + std::fprintf(g_outputFile, "\n"); + + // track pointers + for (int i = 1; i <= trackCount; i++) + std::fprintf(g_outputFile, "\t.word\t%s_%u\n", g_asmLabel.c_str(), i); + + std::fprintf(g_outputFile, "\n\t.end\n"); +} diff --git a/tools/mid2agb/agb.h b/tools/mid2agb/agb.h new file mode 100644 index 000000000..7eab3c143 --- /dev/null +++ b/tools/mid2agb/agb.h @@ -0,0 +1,33 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef AGB_H +#define AGB_H + +#include +#include "midi.h" + +void PrintAgbHeader(); +void PrintAgbTrack(std::vector& events); +void PrintAgbFooter(); + +extern int g_agbTrack; + +#endif // AGB_H diff --git a/tools/mid2agb/error.cpp b/tools/mid2agb/error.cpp new file mode 100644 index 000000000..13e38ffa8 --- /dev/null +++ b/tools/mid2agb/error.cpp @@ -0,0 +1,36 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include + +// Reports an error diagnostic and terminates the program. +[[noreturn]] void RaiseError(const char* format, ...) +{ + const int bufferSize = 1024; + char buffer[bufferSize]; + std::va_list args; + va_start(args, format); + std::vsnprintf(buffer, bufferSize, format, args); + std::fprintf(stderr, "error: %s\n", buffer); + va_end(args); + std::exit(1); +} diff --git a/tools/mid2agb/error.h b/tools/mid2agb/error.h new file mode 100644 index 000000000..da4f01142 --- /dev/null +++ b/tools/mid2agb/error.h @@ -0,0 +1,26 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef ERROR_H +#define ERROR_H + +[[noreturn]] void RaiseError(const char* format, ...); + +#endif // ERROR_H diff --git a/tools/mid2agb/main.cpp b/tools/mid2agb/main.cpp new file mode 100644 index 000000000..9b883fba5 --- /dev/null +++ b/tools/mid2agb/main.cpp @@ -0,0 +1,230 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include +#include +#include +#include +#include "main.h" +#include "error.h" +#include "midi.h" +#include "agb.h" + +FILE* g_inputFile = nullptr; +FILE* g_outputFile = nullptr; + +std::string g_asmLabel; +int g_masterVolume = 127; +int g_voiceGroup = 0; +int g_priority = 0; +int g_reverb = -1; +int g_clocksPerBeat = 1; +bool g_exactGateTime = false; +bool g_compressionEnabled = true; + +[[noreturn]] static void PrintUsage() +{ + std::printf( + "Usage: MID2AGB name [options]\n" + "\n" + " input_file filename(.mid) of MIDI file\n" + " output_file filename(.s) for AGB file (default:input_file)\n" + "\n" + "options -V??? master volume (default:127)\n" + " -G??? voice group number (default:0)\n" + " -P??? priority (default:0)\n" + " -R??? reverb (default:off)\n" + " -X 48 clocks/beat (default:24 clocks/beat)\n" + " -E exact gate-time\n" + " -N no compression\n" + ); + std::exit(1); +} + +static std::string StripExtension(std::string s) +{ + std::size_t pos = s.find_last_of('.'); + + if (pos > 0 && pos != std::string::npos) + { + s = s.substr(0, pos); + } + + return s; +} + +static std::string GetExtension(std::string s) +{ + std::size_t pos = s.find_last_of('.'); + + if (pos > 0 && pos != std::string::npos) + { + return s.substr(pos + 1); + } + + return ""; +} + +struct Option +{ + char letter = 0; + const char *arg = NULL; +}; + +static Option ParseOption(int& index, const int argc, char** argv) +{ + static std::set optionsWithArg = { 'L', 'V', 'G', 'P', 'R' }; + static std::set optionsWithoutArg = { 'X', 'E', 'N' }; + + assert(index >= 0 && index < argc); + + const char *opt = argv[index]; + + assert(opt[0] == '-'); + assert(std::strlen(opt) == 2); + + char letter = std::toupper(opt[1]); + + bool isOption = false; + bool hasArg = false; + + if (optionsWithArg.count(letter) != 0) + { + isOption = true; + hasArg = true; + } + else if (optionsWithoutArg.count(letter) != 0) + { + isOption = true; + } + + if (!isOption) + PrintUsage(); + + Option retVal; + + retVal.letter = letter; + + if (hasArg) + { + index++; + + if (index >= argc) + RaiseError("missing argument for \"-%c\"", letter); + + retVal.arg = argv[index]; + } + + return retVal; +} + +int main(int argc, char** argv) +{ + std::string inputFilename; + std::string outputFilename; + + for (int i = 1; i < argc; i++) + { + if (argv[i][0] == '-' && std::strlen(argv[i]) == 2) + { + Option option = ParseOption(i, argc, argv); + + switch (option.letter) + { + case 'E': + g_exactGateTime = true; + break; + case 'G': + g_voiceGroup = std::stoi(option.arg); + break; + case 'L': + g_asmLabel = option.arg; + break; + case 'N': + g_compressionEnabled = false; + break; + case 'P': + g_priority = std::stoi(option.arg); + break; + case 'R': + g_reverb = std::stoi(option.arg); + break; + case 'V': + g_masterVolume = std::stoi(option.arg); + break; + case 'X': + g_clocksPerBeat = 2; + break; + } + } + else + { + switch (i) + { + case 1: + inputFilename = argv[i]; + break; + case 2: + outputFilename = argv[i]; + break; + default: + PrintUsage(); + } + } + } + + if (inputFilename.empty()) + PrintUsage(); + + if (GetExtension(inputFilename) != "mid") + RaiseError("input filename extension is not \"mid\""); + + if (outputFilename.empty()) + outputFilename = StripExtension(inputFilename) + ".s"; + + if (GetExtension(outputFilename) != "s") + RaiseError("output filename extension is not \"s\""); + + if (g_asmLabel.empty()) + g_asmLabel = StripExtension(outputFilename); + + g_inputFile = std::fopen(inputFilename.c_str(), "rb"); + + if (g_inputFile == nullptr) + RaiseError("failed to open \"%s\" for reading", inputFilename.c_str()); + + g_outputFile = std::fopen(outputFilename.c_str(), "w"); + + if (g_outputFile == nullptr) + RaiseError("failed to open \"%s\" for writing", outputFilename.c_str()); + + ReadMidiFileHeader(); + PrintAgbHeader(); + ReadMidiTracks(); + PrintAgbFooter(); + + std::fclose(g_inputFile); + std::fclose(g_outputFile); + + return 0; +} diff --git a/tools/mid2agb/main.h b/tools/mid2agb/main.h new file mode 100644 index 000000000..6e71e73fd --- /dev/null +++ b/tools/mid2agb/main.h @@ -0,0 +1,39 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef MAIN_H +#define MAIN_H + +#include +#include + +extern FILE* g_inputFile; +extern FILE* g_outputFile; + +extern std::string g_asmLabel; +extern int g_masterVolume; +extern int g_voiceGroup; +extern int g_priority; +extern int g_reverb; +extern int g_clocksPerBeat; +extern bool g_exactGateTime; +extern bool g_compressionEnabled; + +#endif // MAIN_H diff --git a/tools/mid2agb/midi.cpp b/tools/mid2agb/midi.cpp new file mode 100644 index 000000000..ba5dd654a --- /dev/null +++ b/tools/mid2agb/midi.cpp @@ -0,0 +1,942 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include +#include +#include +#include "midi.h" +#include "main.h" +#include "error.h" +#include "agb.h" +#include "tables.h" + +enum class MidiEventCategory +{ + Control, + SysEx, + Meta, + Invalid, +}; + +MidiFormat g_midiFormat; +std::int_fast32_t g_midiTrackCount; +std::int16_t g_midiTimeDiv; + +int g_midiChan; +std::int32_t g_initialWait; + +static long s_trackDataStart; +static std::vector s_seqEvents; +static std::vector s_trackEvents; +static std::int32_t s_absoluteTime; +static int s_blockCount = 0; +static int s_minNote; +static int s_maxNote; + +void Seek(long offset) +{ + if (std::fseek(g_inputFile, offset, SEEK_SET) != 0) + RaiseError("failed to seek to %l", offset); +} + +void Skip(long offset) +{ + if (std::fseek(g_inputFile, offset, SEEK_CUR) != 0) + RaiseError("failed to skip %l bytes", offset); +} + +std::string ReadSignature() +{ + char signature[4]; + + if (std::fread(signature, 4, 1, g_inputFile) != 1) + RaiseError("failed to read signature"); + + return std::string(signature, 4); +} + +std::uint32_t ReadInt8() +{ + int c = std::fgetc(g_inputFile); + + if (c < 0) + RaiseError("unexpected EOF"); + + return c; +} + +std::uint32_t ReadInt16() +{ + std::uint32_t val = 0; + val |= ReadInt8() << 8; + val |= ReadInt8(); + return val; +} + +std::uint32_t ReadInt24() +{ + std::uint32_t val = 0; + val |= ReadInt8() << 16; + val |= ReadInt8() << 8; + val |= ReadInt8(); + return val; +} + +std::uint32_t ReadInt32() +{ + std::uint32_t val = 0; + val |= ReadInt8() << 24; + val |= ReadInt8() << 16; + val |= ReadInt8() << 8; + val |= ReadInt8(); + return val; +} + +std::uint32_t ReadVLQ() +{ + std::uint32_t val = 0; + std::uint32_t c; + + do + { + c = ReadInt8(); + val <<= 7; + val |= (c & 0x7F); + } while (c & 0x80); + + return val; +} + +void ReadMidiFileHeader() +{ + Seek(0); + + if (ReadSignature() != "MThd") + RaiseError("MIDI file header signature didn't match \"MThd\""); + + std::uint32_t headerLength = ReadInt32(); + + if (headerLength != 6) + RaiseError("MIDI file header length isn't 6"); + + std::uint16_t midiFormat = ReadInt16(); + + if (midiFormat >= 2) + RaiseError("unsupported MIDI format (%u)", midiFormat); + + g_midiFormat = (MidiFormat)midiFormat; + g_midiTrackCount = ReadInt16(); + g_midiTimeDiv = ReadInt16(); + + if (g_midiTimeDiv < 0) + RaiseError("unsupported MIDI time division (%d)", g_midiTimeDiv); +} + +long ReadMidiTrackHeader(long offset) +{ + Seek(offset); + + if (ReadSignature() != "MTrk") + RaiseError("MIDI track header signature didn't match \"MTrk\""); + + long size = ReadInt32(); + + s_trackDataStart = std::ftell(g_inputFile); + + return size + 8; +} + +void StartTrack() +{ + Seek(s_trackDataStart); + s_absoluteTime = 0; +} + +void SkipEventData() +{ + Skip(ReadVLQ()); +} + +void DetermineEventCategory(MidiEventCategory& category, int& typeChan, int& size) +{ + typeChan = ReadInt8(); + + if (typeChan == 0xFF) + { + category = MidiEventCategory::Meta; + size = 0; + } + else if (typeChan >= 0xF0) + { + category = MidiEventCategory::SysEx; + size = 0; + } + else if (typeChan >= 0x80) + { + category = MidiEventCategory::Control; + + switch (typeChan >> 4) + { + case 0xC: + case 0xD: + size = 1; + break; + default: + size = 2; + break; + } + } + else + { + category = MidiEventCategory::Invalid; + } +} + +void MakeBlockEvent(Event& event, EventType type) +{ + event.type = type; + event.param1 = s_blockCount++; + event.param2 = 0; +} + +std::string ReadEventText() +{ + char buffer[2]; + std::uint32_t length = ReadVLQ(); + + if (length <= 2) + { + if (fread(buffer, length, 1, g_inputFile) != 1) + RaiseError("failed to read event text"); + } + else + { + Skip(length); + length = 0; + } + + return std::string(buffer, length); +} + +bool ReadSeqEvent(Event& event) +{ + s_absoluteTime += ReadVLQ(); + event.time = s_absoluteTime; + + MidiEventCategory category; + int typeChan; + int size; + + DetermineEventCategory(category, typeChan, size); + + if (category == MidiEventCategory::Control) + { + Skip(size); + return false; + } + + if (category == MidiEventCategory::SysEx) + { + SkipEventData(); + return false; + } + + if (category == MidiEventCategory::Invalid) + RaiseError("invalid event"); + + // meta event + int metaEventType = ReadInt8(); + + if (metaEventType >= 1 && metaEventType <= 7) + { + // text event + std::string text = ReadEventText(); + + if (text == "[") + MakeBlockEvent(event, EventType::LoopBegin); + else if (text == "][") + MakeBlockEvent(event, EventType::LoopEndBegin); + else if (text == "]") + MakeBlockEvent(event, EventType::LoopEnd); + else if (text == ":") + MakeBlockEvent(event, EventType::Label); + else + return false; + } + else + { + switch (metaEventType) + { + case 0x2F: // end of track + SkipEventData(); + event.type = EventType::EndOfTrack; + event.param1 = 0; + event.param2 = 0; + break; + case 0x51: // tempo + if (ReadVLQ() != 3) + RaiseError("invalid tempo size"); + + event.type = EventType::Tempo; + event.param1 = 0; + event.param2 = ReadInt24(); + break; + case 0x58: // time signature + { + if (ReadVLQ() != 4) + RaiseError("invalid time signature size"); + + int numerator = ReadInt8(); + int denominatorExponent = ReadInt8(); + + if (denominatorExponent >= 16) + RaiseError("invalid time signature denominator"); + + Skip(2); // ignore other values + + int clockTicks = 96 * numerator * g_clocksPerBeat; + int denominator = 1 << denominatorExponent; + int timeSig = clockTicks / denominator; + + if (timeSig <= 0 || timeSig >= 0x10000) + RaiseError("invalid time signature"); + + event.type = EventType::TimeSignature; + event.param1 = 0; + event.param2 = timeSig; + break; + } + default: + SkipEventData(); + return false; + } + } + + return true; +} + +void ReadSeqEvents() +{ + StartTrack(); + + for (;;) + { + Event event = {}; + + if (ReadSeqEvent(event)) + { + s_seqEvents.push_back(event); + + if (event.type == EventType::EndOfTrack) + return; + } + } +} + +bool CheckNoteEnd(Event& event) +{ + event.param2 += ReadVLQ(); + + MidiEventCategory category; + int typeChan; + int size; + + DetermineEventCategory(category, typeChan, size); + + if (category == MidiEventCategory::Control) + { + int chan = typeChan & 0xF; + + if (chan != g_midiChan) + { + Skip(size); + return false; + } + + switch (typeChan & 0xF0) + { + case 0x80: // note off + { + int note = ReadInt8(); + ReadInt8(); // ignore velocity + if (note == event.note) + return true; + break; + } + case 0x90: // note on + { + int note = ReadInt8(); + int velocity = ReadInt8(); + if (velocity == 0 && note == event.note) + return true; + break; + } + default: + Skip(size); + break; + } + + return false; + } + + if (category == MidiEventCategory::SysEx) + { + SkipEventData(); + return false; + } + + if (category == MidiEventCategory::Meta) + { + int metaEventType = ReadInt8(); + SkipEventData(); + + if (metaEventType == 0x2F) + RaiseError("note doesn't end"); + + return false; + } + + RaiseError("invalid event"); +} + +void FindNoteEnd(Event& event) +{ + long startPos = ftell(g_inputFile); + + event.param2 = 0; + + while (!CheckNoteEnd(event)) + ; + + Seek(startPos); +} + +bool ReadTrackEvent(Event& event) +{ + s_absoluteTime += ReadVLQ(); + event.time = s_absoluteTime; + + MidiEventCategory category; + int typeChan; + int size; + + DetermineEventCategory(category, typeChan, size); + + if (category == MidiEventCategory::Control) + { + int chan = typeChan & 0xF; + + if (chan != g_midiChan) + { + Skip(size); + return false; + } + + switch (typeChan & 0xF0) + { + case 0x90: // note on + { + int note = ReadInt8(); + int velocity = ReadInt8(); + + if (velocity != 0) + { + event.type = EventType::Note; + event.note = note; + event.param1 = velocity; + FindNoteEnd(event); + if (event.param2 > 0) + { + if (note < s_minNote) + s_minNote = note; + if (note > s_maxNote) + s_maxNote = note; + } + } + break; + } + case 0xB0: // controller event + event.type = EventType::Controller; + event.param1 = ReadInt8(); // controller index + event.param2 = ReadInt8(); // value + break; + case 0xC0: // instrument change + event.type = EventType::InstrumentChange; + event.param1 = ReadInt8(); // instrument + event.param2 = 0; + break; + case 0xE0: // pitch bend + event.type = EventType::PitchBend; + event.param1 = ReadInt8(); + event.param2 = ReadInt8(); + break; + default: + Skip(size); + return false; + } + + return true; + } + + if (category == MidiEventCategory::SysEx) + { + SkipEventData(); + return false; + } + + if (category == MidiEventCategory::Meta) + { + int metaEventType = ReadInt8(); + SkipEventData(); + + if (metaEventType == 0x2F) + { + event.type = EventType::EndOfTrack; + event.param1 = 0; + event.param2 = 0; + return true; + } + + return false; + } + + RaiseError("invalid event"); +} + +void ReadTrackEvents() +{ + StartTrack(); + + s_trackEvents.clear(); + + s_minNote = 0xFF; + s_maxNote = 0; + + for (;;) + { + Event event = {}; + + if (ReadTrackEvent(event)) + { + s_trackEvents.push_back(event); + + if (event.type == EventType::EndOfTrack) + return; + } + } +} + +bool EventCompare(const Event& event1, const Event& event2) +{ + if (event1.time < event2.time) + return true; + + if (event1.time > event2.time) + return false; + + unsigned event1Type = (unsigned)event1.type; + unsigned event2Type = (unsigned)event2.type; + + if (event1.type == EventType::Note) + event1Type += event1.note; + + if (event2.type == EventType::Note) + event2Type += event2.note; + + if (event1Type < event2Type) + return true; + + if (event1Type > event2Type) + return false; + + if (event1.type == EventType::EndOfTie) + { + if (event1.note < event2.note) + return true; + + if (event1.note > event2.note) + return false; + } + + return false; +} + +std::unique_ptr> MergeEvents() +{ + std::unique_ptr> events(new std::vector()); + + unsigned trackEventPos = 0; + unsigned seqEventPos = 0; + + while (s_trackEvents[trackEventPos].type != EventType::EndOfTrack + && s_seqEvents[seqEventPos].type != EventType::EndOfTrack) + { + if (EventCompare(s_trackEvents[trackEventPos], s_seqEvents[seqEventPos])) + events->push_back(s_trackEvents[trackEventPos++]); + else + events->push_back(s_seqEvents[seqEventPos++]); + } + + while (s_trackEvents[trackEventPos].type != EventType::EndOfTrack) + events->push_back(s_trackEvents[trackEventPos++]); + + while (s_seqEvents[seqEventPos].type != EventType::EndOfTrack) + events->push_back(s_seqEvents[seqEventPos++]); + + // Push the EndOfTrack event with the larger time. + if (EventCompare(s_trackEvents[trackEventPos], s_seqEvents[seqEventPos])) + events->push_back(s_seqEvents[seqEventPos]); + else + events->push_back(s_trackEvents[trackEventPos]); + + return events; +} + +void ConvertTimes(std::vector& events) +{ + for (Event& event : events) + { + event.time = (24 * g_clocksPerBeat * event.time) / g_midiTimeDiv; + + if (event.type == EventType::Note) + { + event.param1 = g_noteVelocityLUT[event.param1]; + + std::uint32_t duration = (24 * g_clocksPerBeat * event.param2) / g_midiTimeDiv; + + if (duration == 0) + duration = 1; + + if (!g_exactGateTime && duration < 96) + duration = g_noteDurationLUT[duration]; + + event.param2 = duration; + } + } +} + +std::unique_ptr> InsertTimingEvents(std::vector& inEvents) +{ + std::unique_ptr> outEvents(new std::vector()); + + Event timingEvent = {}; + timingEvent.time = 0; + timingEvent.type = EventType::TimeSignature; + timingEvent.param2 = 96 * g_clocksPerBeat; + + for (const Event& event : inEvents) + { + while (EventCompare(timingEvent, event)) + { + outEvents->push_back(timingEvent); + timingEvent.time += timingEvent.param2; + } + + if (event.type == EventType::TimeSignature) + { + if (g_agbTrack == 1 && event.param2 != timingEvent.param2) + { + Event originalTimingEvent = event; + originalTimingEvent.type = EventType::OriginalTimeSignature; + outEvents->push_back(originalTimingEvent); + } + timingEvent.param2 = event.param2; + timingEvent.time = event.time + timingEvent.param2; + } + + outEvents->push_back(event); + } + + return outEvents; +} + +std::unique_ptr> SplitTime(std::vector& inEvents) +{ + std::unique_ptr> outEvents(new std::vector()); + + std::int32_t time = 0; + + for (const Event& event : inEvents) + { + std::int32_t diff = event.time - time; + + if (diff > 96) + { + int wholeNoteCount = (diff - 1) / 96; + diff -= 96 * wholeNoteCount; + + for (int i = 0; i < wholeNoteCount; i++) + { + time += 96; + Event timeSplitEvent = {}; + timeSplitEvent.time = time; + timeSplitEvent.type = EventType::TimeSplit; + outEvents->push_back(timeSplitEvent); + } + } + + std::int32_t lutValue = g_noteDurationLUT[diff]; + + if (lutValue != diff) + { + Event timeSplitEvent = {}; + timeSplitEvent.time = time + lutValue; + timeSplitEvent.type = EventType::TimeSplit; + outEvents->push_back(timeSplitEvent); + } + + time = event.time; + + outEvents->push_back(event); + } + + return outEvents; +} + +std::unique_ptr> CreateTies(std::vector& inEvents) +{ + std::unique_ptr> outEvents(new std::vector()); + + for (const Event& event : inEvents) + { + if (event.type == EventType::Note && event.param2 > 96) + { + Event tieEvent = event; + tieEvent.param2 = -1; + outEvents->push_back(tieEvent); + + Event eotEvent = {}; + eotEvent.time = event.time + event.param2; + eotEvent.type = EventType::EndOfTie; + eotEvent.note = event.note; + outEvents->push_back(eotEvent); + } + else + { + outEvents->push_back(event); + } + } + + return outEvents; +} + +void CalculateWaits(std::vector& events) +{ + g_initialWait = events[0].time; + int wholeNoteCount = 0; + + for (unsigned i = 0; i < events.size() && events[i].type != EventType::EndOfTrack; i++) + { + events[i].time = events[i + 1].time - events[i].time; + + if (events[i].type == EventType::TimeSignature) + { + events[i].type = EventType::WholeNoteMark; + events[i].param2 = wholeNoteCount++; + } + } +} + +int CalculateCompressionScore(std::vector& events, int index) +{ + int score = 0; + std::uint8_t lastParam1 = events[index].param1; + std::uint8_t lastVelocity = 0x80u; + EventType lastType = events[index].type; + std::int32_t lastDuration = 0x80000000; + std::uint8_t lastNote = 0x80u; + + if (events[index].time > 0) + score++; + + for (int i = index + 1; !IsPatternBoundary(events[i].type); i++) + { + if (events[i].type == EventType::Note) + { + int val = 0; + + if (events[i].note != lastNote) + { + val++; + lastNote = events[i].note; + } + + if (events[i].param1 != lastVelocity) + { + val++; + lastVelocity = events[i].param1; + } + + std::int32_t duration = events[i].param2; + + if (g_noteDurationLUT[duration] != lastDuration) + { + val++; + lastDuration = g_noteDurationLUT[duration]; + } + + if (duration != lastDuration) + val++; + + if (val == 0) + val = 1; + + score += val; + } + else + { + lastDuration = 0x80000000; + + if (events[i].type == lastType) + { + if ((lastType != EventType::Controller && (int)lastType != 0x25 && lastType != EventType::EndOfTie) || events[i].param1 == lastParam1) + { + score++; + } + else + { + score += 2; + } + } + else + { + score += 2; + } + } + + lastParam1 = events[i].param1; + lastType = events[i].type; + + if (events[i].time) + ++score; + } + + return score; +} + +bool IsCompressionMatch(std::vector& events, int index1, int index2) +{ + index1++; + index2++; + + do + { + if (events[index1] != events[index2]) + return false; + + index1++; + index2++; + } while (!IsPatternBoundary(events[index1].type)); + + return IsPatternBoundary(events[index2].type); +} + +void CompressWholeNote(std::vector& events, int index) +{ + for (int j = index + 1; events[j].type != EventType::EndOfTrack; j++) + { + while (events[j].type != EventType::WholeNoteMark) + { + j++; + + if (events[j].type == EventType::EndOfTrack) + return; + } + + if (IsCompressionMatch(events, index, j)) + { + events[j].type = EventType::Pattern; + events[j].param2 = events[index].param2 & 0x7FFFFFFF; + events[index].param2 |= 0x80000000; + } + } +} + +void Compress(std::vector& events) +{ + for (int i = 0; events[i].type != EventType::EndOfTrack; i++) + { + while (events[i].type != EventType::WholeNoteMark) + { + i++; + + if (events[i].type == EventType::EndOfTrack) + return; + } + + if (CalculateCompressionScore(events, i) >= 6) + { + CompressWholeNote(events, i); + } + } +} + +void ReadMidiTracks() +{ + long trackHeaderStart = 14; + + ReadMidiTrackHeader(trackHeaderStart); + ReadSeqEvents(); + + g_agbTrack = 1; + + for (int midiTrack = 0; midiTrack < g_midiTrackCount; midiTrack++) + { + trackHeaderStart += ReadMidiTrackHeader(trackHeaderStart); + + for (g_midiChan = 0; g_midiChan < 16; g_midiChan++) + { + ReadTrackEvents(); + + if (s_minNote != 0xFF) + { +#ifdef DEBUG + printf("Track%d = Midi-Ch.%d\n", g_agbTrack, g_midiChan + 1); +#endif + + std::unique_ptr> events(MergeEvents()); + + // We don't need TEMPO in anything but track 1. + if (g_agbTrack == 1) + { + auto it = std::remove_if(s_seqEvents.begin(), s_seqEvents.end(), [](const Event& event) { return event.type == EventType::Tempo; }); + s_seqEvents.erase(it, s_seqEvents.end()); + } + + ConvertTimes(*events); + events = InsertTimingEvents(*events); + events = CreateTies(*events); + std::stable_sort(events->begin(), events->end(), EventCompare); + events = SplitTime(*events); + CalculateWaits(*events); + + if (g_compressionEnabled) + Compress(*events); + + PrintAgbTrack(*events); + + g_agbTrack++; + } + } + } +} diff --git a/tools/mid2agb/midi.h b/tools/mid2agb/midi.h new file mode 100644 index 000000000..434c8e8e8 --- /dev/null +++ b/tools/mid2agb/midi.h @@ -0,0 +1,87 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef MIDI_H +#define MIDI_H + +#include + +enum class MidiFormat +{ + SingleTrack, + MultiTrack +}; + +enum class EventType +{ + EndOfTie = 0x01, + Label = 0x11, + LoopEnd = 0x12, + LoopEndBegin = 0x13, + LoopBegin = 0x14, + OriginalTimeSignature = 0x15, + WholeNoteMark = 0x16, + Pattern = 0x17, + TimeSignature = 0x18, + Tempo = 0x19, + InstrumentChange = 0x21, + Controller = 0x22, + PitchBend = 0x23, + KeyShift = 0x31, + Note = 0x40, + TimeSplit = 0xFE, + EndOfTrack = 0xFF, +}; + +struct Event +{ + std::int32_t time; + EventType type; + std::uint8_t note; + std::uint8_t param1; + std::int32_t param2; + + bool operator==(const Event& other) + { + return (time == other.time + && type == other.type + && note == other.note + && param1 == other.param1 + && param2 == other.param2); + } + + bool operator!=(const Event& other) + { + return !(*this == other); + } +}; + +void ReadMidiFileHeader(); +void ReadMidiTracks(); + +extern int g_midiChan; +extern std::int32_t g_initialWait; + +inline bool IsPatternBoundary(EventType type) +{ + return type == EventType::EndOfTrack || (int)type <= 0x17; +} + +#endif // MIDI_H diff --git a/tools/mid2agb/tables.cpp b/tools/mid2agb/tables.cpp new file mode 100644 index 000000000..f254664a4 --- /dev/null +++ b/tools/mid2agb/tables.cpp @@ -0,0 +1,286 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include "tables.h" + +const int g_noteDurationLUT[] = +{ + 0, // 0 + 1, // 1 + 2, // 2 + 3, // 3 + 4, // 4 + 5, // 5 + 6, // 6 + 7, // 7 + 8, // 8 + 9, // 9 + 10, // 10 + 11, // 11 + 12, // 12 + 13, // 13 + 14, // 14 + 15, // 15 + 16, // 16 + 17, // 17 + 18, // 18 + 19, // 19 + 20, // 20 + 21, // 21 + 22, // 22 + 23, // 23 + 24, // 24 + 24, // 25 + 24, // 26 + 24, // 27 + 28, // 28 + 28, // 29 + 30, // 30 + 30, // 31 + 32, // 32 + 32, // 33 + 32, // 34 + 32, // 35 + 36, // 36 + 36, // 37 + 36, // 38 + 36, // 39 + 40, // 40 + 40, // 41 + 42, // 42 + 42, // 43 + 44, // 44 + 44, // 45 + 44, // 46 + 44, // 47 + 48, // 48 + 48, // 49 + 48, // 50 + 48, // 51 + 52, // 52 + 52, // 53 + 54, // 54 + 54, // 55 + 56, // 56 + 56, // 57 + 56, // 58 + 56, // 59 + 60, // 60 + 60, // 61 + 60, // 62 + 60, // 63 + 64, // 64 + 64, // 65 + 66, // 66 + 66, // 67 + 68, // 68 + 68, // 69 + 68, // 70 + 68, // 71 + 72, // 72 + 72, // 73 + 72, // 74 + 72, // 75 + 76, // 76 + 76, // 77 + 78, // 78 + 78, // 79 + 80, // 80 + 80, // 81 + 80, // 82 + 80, // 83 + 84, // 84 + 84, // 85 + 84, // 86 + 84, // 87 + 88, // 88 + 88, // 89 + 90, // 90 + 90, // 91 + 92, // 92 + 92, // 93 + 92, // 94 + 92, // 95 + 96, // 96 +}; + +const int g_noteVelocityLUT[] = +{ + 0, // 0 + 4, // 1 + 4, // 2 + 4, // 3 + 4, // 4 + 8, // 5 + 8, // 6 + 8, // 7 + 8, // 8 + 12, // 9 + 12, // 10 + 12, // 11 + 12, // 12 + 16, // 13 + 16, // 14 + 16, // 15 + 16, // 16 + 20, // 17 + 20, // 18 + 20, // 19 + 20, // 20 + 24, // 21 + 24, // 22 + 24, // 23 + 24, // 24 + 28, // 25 + 28, // 26 + 28, // 27 + 28, // 28 + 32, // 29 + 32, // 30 + 32, // 31 + 32, // 32 + 36, // 33 + 36, // 34 + 36, // 35 + 36, // 36 + 40, // 37 + 40, // 38 + 40, // 39 + 40, // 40 + 44, // 41 + 44, // 42 + 44, // 43 + 44, // 44 + 48, // 45 + 48, // 46 + 48, // 47 + 48, // 48 + 52, // 49 + 52, // 50 + 52, // 51 + 52, // 52 + 56, // 53 + 56, // 54 + 56, // 55 + 56, // 56 + 60, // 57 + 60, // 58 + 60, // 59 + 60, // 60 + 64, // 61 + 64, // 62 + 64, // 63 + 64, // 64 + 68, // 65 + 68, // 66 + 68, // 67 + 68, // 68 + 72, // 69 + 72, // 70 + 72, // 71 + 72, // 72 + 76, // 73 + 76, // 74 + 76, // 75 + 76, // 76 + 80, // 77 + 80, // 78 + 80, // 79 + 80, // 80 + 84, // 81 + 84, // 82 + 84, // 83 + 84, // 84 + 88, // 85 + 88, // 86 + 88, // 87 + 88, // 88 + 92, // 89 + 92, // 90 + 92, // 91 + 92, // 92 + 96, // 93 + 96, // 94 + 96, // 95 + 96, // 96 + 100, // 97 + 100, // 98 + 100, // 99 + 100, // 100 + 104, // 101 + 104, // 102 + 104, // 103 + 104, // 104 + 108, // 105 + 108, // 106 + 108, // 107 + 108, // 108 + 112, // 109 + 112, // 110 + 112, // 111 + 112, // 112 + 116, // 113 + 116, // 114 + 116, // 115 + 116, // 116 + 120, // 117 + 120, // 118 + 120, // 119 + 120, // 120 + 124, // 121 + 124, // 122 + 124, // 123 + 124, // 124 + 127, // 125 + 127, // 126 + 127, // 127 +}; + +const char* g_noteTable[] = +{ + "Cn%01u ", + "Cs%01u ", + "Dn%01u ", + "Ds%01u ", + "En%01u ", + "Fn%01u ", + "Fs%01u ", + "Gn%01u ", + "Gs%01u ", + "An%01u ", + "As%01u ", + "Bn%01u ", +}; + +const char* g_minusNoteTable[] = +{ + "CnM%01u", + "CsM%01u", + "DnM%01u", + "DsM%01u", + "EnM%01u", + "FnM%01u", + "FsM%01u", + "GnM%01u", + "GsM%01u", + "AnM%01u", + "AsM%01u", + "BnM%01u", +}; diff --git a/tools/mid2agb/tables.h b/tools/mid2agb/tables.h new file mode 100644 index 000000000..da3c9072d --- /dev/null +++ b/tools/mid2agb/tables.h @@ -0,0 +1,29 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef TABLES_H +#define TABLES_H + +extern const int g_noteDurationLUT[]; +extern const int g_noteVelocityLUT[]; +extern const char* g_noteTable[]; +extern const char* g_minusNoteTable[]; + +#endif // TABLES_H diff --git a/tools/preproc/.gitignore b/tools/preproc/.gitignore new file mode 100644 index 000000000..eb3470879 --- /dev/null +++ b/tools/preproc/.gitignore @@ -0,0 +1 @@ +preproc diff --git a/tools/preproc/LICENSE b/tools/preproc/LICENSE new file mode 100644 index 000000000..534d15349 --- /dev/null +++ b/tools/preproc/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2016 YamaArashi + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/tools/preproc/Makefile b/tools/preproc/Makefile new file mode 100644 index 000000000..ec4a5f365 --- /dev/null +++ b/tools/preproc/Makefile @@ -0,0 +1,17 @@ +CXX := g++ + +CXXFLAGS := -std=c++11 -O2 -s -Wall -Wno-switch -Werror + +SRCS := asm_file.cpp c_file.cpp charmap.cpp preproc.cpp string_parser.cpp \ + utf8.cpp + +HEADERS := asm_file.h c_file.h char_util.h charmap.h preproc.h string_parser.h \ + utf8.h + +.PHONY: clean + +preproc: $(SRCS) $(HEADERS) + $(CXX) $(CXXFLAGS) $(SRCS) -o $@ $(LDFLAGS) + +clean: + $(RM) preproc preproc.exe diff --git a/tools/preproc/asm_file.cpp b/tools/preproc/asm_file.cpp new file mode 100644 index 000000000..bb296b78b --- /dev/null +++ b/tools/preproc/asm_file.cpp @@ -0,0 +1,529 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include "preproc.h" +#include "asm_file.h" +#include "char_util.h" +#include "utf8.h" +#include "string_parser.h" + +AsmFile::AsmFile(std::string filename) : m_filename(filename) +{ + FILE *fp = std::fopen(filename.c_str(), "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", filename.c_str()); + + std::fseek(fp, 0, SEEK_END); + + m_size = std::ftell(fp); + + if (m_size < 0) + FATAL_ERROR("File size of \"%s\" is less than zero.\n", filename.c_str()); + + m_buffer = new char[m_size + 1]; + + std::rewind(fp); + + if (std::fread(m_buffer, m_size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", filename.c_str()); + + m_buffer[m_size] = 0; + + std::fclose(fp); + + m_pos = 0; + m_lineNum = 1; + m_lineStart = 0; + + RemoveComments(); +} + +AsmFile::AsmFile(AsmFile&& other) : m_filename(std::move(other.m_filename)) +{ + m_buffer = other.m_buffer; + m_pos = other.m_pos; + m_size = other.m_size; + m_lineNum = other.m_lineNum; + m_lineStart = other.m_lineStart; + + other.m_buffer = nullptr; +} + +AsmFile::~AsmFile() +{ + delete[] m_buffer; +} + +// Removes comments to simplify further processing. +// It stops upon encountering a null character, +// which may or may not be the end of file marker. +// If it's not, the error will be caught later. +void AsmFile::RemoveComments() +{ + long pos = 0; + char stringChar = 0; + + for (;;) + { + if (m_buffer[pos] == 0) + return; + + if (stringChar != 0) + { + if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == stringChar) + { + pos += 2; + } + else + { + if (m_buffer[pos] == stringChar) + stringChar = 0; + pos++; + } + } + else if (m_buffer[pos] == '@' && (pos == 0 || m_buffer[pos - 1] != '\\')) + { + while (m_buffer[pos] != '\n' && m_buffer[pos] != 0) + m_buffer[pos++] = ' '; + } + else if (m_buffer[pos] == '/' && m_buffer[pos + 1] == '*') + { + m_buffer[pos++] = ' '; + m_buffer[pos++] = ' '; + + for (;;) + { + if (m_buffer[pos] == 0) + return; + + if (m_buffer[pos] == '*' && m_buffer[pos + 1] == '/') + { + m_buffer[pos++] = ' '; + m_buffer[pos++] = ' '; + break; + } + else + { + if (m_buffer[pos] != '\n') + m_buffer[pos] = ' '; + pos++; + } + } + } + else + { + if (m_buffer[pos] == '"' || m_buffer[pos] == '\'') + stringChar = m_buffer[pos]; + pos++; + } + } +} + +// Checks if we're at a particular directive and if so, consumes it. +// Returns whether the directive was found. +bool AsmFile::CheckForDirective(std::string name) +{ + long i; + long length = static_cast(name.length()); + + for (i = 0; i < length && m_pos + i < m_size; i++) + if (name[i] != m_buffer[m_pos + i]) + return false; + + if (i < length) + return false; + + m_pos += length; + + return true; +} + +// Checks if we're at a known directive and if so, consumes it. +// Returns which directive was found. +Directive AsmFile::GetDirective() +{ + SkipWhitespace(); + + if (CheckForDirective(".include")) + return Directive::Include; + else if (CheckForDirective(".string")) + return Directive::String; + else if (CheckForDirective(".braille")) + return Directive::Braille; + else + return Directive::Unknown; +} + +// Checks if we're at label that ends with '::'. +// Returns the name if so and an empty string if not. +std::string AsmFile::GetGlobalLabel() +{ + long start = m_pos; + long pos = m_pos; + + if (IsIdentifierStartingChar(m_buffer[pos])) + { + pos++; + + while (IsIdentifierChar(m_buffer[pos])) + pos++; + } + + if (m_buffer[pos] == ':' && m_buffer[pos + 1] == ':') + { + m_pos = pos + 2; + ExpectEmptyRestOfLine(); + return std::string(&m_buffer[start], pos - start); + } + + return std::string(); +} + +// Skips tabs and spaces. +void AsmFile::SkipWhitespace() +{ + while (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ') + m_pos++; +} + +// Reads include path. +std::string AsmFile::ReadPath() +{ + SkipWhitespace(); + + if (m_buffer[m_pos] != '"') + RaiseError("expected file path"); + + m_pos++; + + int length = 0; + long startPos = m_pos; + + while (m_buffer[m_pos] != '"') + { + unsigned char c = m_buffer[m_pos++]; + + if (c == 0) + { + if (m_pos >= m_size) + RaiseError("unexpected EOF in include string"); + else + RaiseError("unexpected null character in include string"); + } + + if (!IsAsciiPrintable(c)) + RaiseError("unexpected character '\\x%02X' in include string", c); + + // Don't bother allowing any escape sequences. + if (c == '\\') + { + c = m_buffer[m_pos]; + RaiseError("unexpected escape '\\%c' in include string", c); + } + + length++; + + if (length > kMaxPath) + RaiseError("path is too long"); + } + + m_pos++; // Go past the right quote. + + ExpectEmptyRestOfLine(); + + return std::string(&m_buffer[startPos], length); +} + +// Reads a charmap string. +int AsmFile::ReadString(unsigned char* s) +{ + SkipWhitespace(); + + int length; + StringParser stringParser(m_buffer, m_size); + + try + { + m_pos += stringParser.ParseString(m_pos, s, length); + } + catch (std::runtime_error e) + { + RaiseError(e.what()); + } + + SkipWhitespace(); + + if (ConsumeComma()) + { + SkipWhitespace(); + int padLength = ReadPadLength(); + + while (length < padLength) + { + s[length++] = 0; + } + } + + ExpectEmptyRestOfLine(); + + return length; +} + +int AsmFile::ReadBraille(unsigned char* s) +{ + static std::map encoding = + { + { 'A', 0x01 }, + { 'B', 0x05 }, + { 'C', 0x03 }, + { 'D', 0x0B }, + { 'E', 0x09 }, + { 'F', 0x07 }, + { 'G', 0x0F }, + { 'H', 0x0D }, + { 'I', 0x06 }, + { 'J', 0x0E }, + { 'K', 0x11 }, + { 'L', 0x15 }, + { 'M', 0x13 }, + { 'N', 0x1B }, + { 'O', 0x19 }, + { 'P', 0x17 }, + { 'Q', 0x1F }, + { 'R', 0x1D }, + { 'S', 0x16 }, + { 'T', 0x1E }, + { 'U', 0x31 }, + { 'V', 0x35 }, + { 'W', 0x2E }, + { 'X', 0x33 }, + { 'Y', 0x3B }, + { 'Z', 0x39 }, + { ' ', 0x00 }, + { ',', 0x04 }, + { '.', 0x2C }, + { '$', 0xFF }, + }; + + SkipWhitespace(); + + int length = 0; + + if (m_buffer[m_pos] != '"') + RaiseError("expected braille string literal"); + + m_pos++; + + while (m_buffer[m_pos] != '"') + { + if (length == kMaxStringLength) + RaiseError("mapped string longer than %d bytes", kMaxStringLength); + + if (m_buffer[m_pos] == '\\' && m_buffer[m_pos + 1] == 'n') + { + s[length++] = 0xFE; + m_pos += 2; + } + else + { + char c = m_buffer[m_pos]; + + if (encoding.count(c) == 0) + { + if (IsAsciiPrintable(c)) + RaiseError("character '%c' not valid in braille string", m_buffer[m_pos]); + else + RaiseError("character '\\x%02X' not valid in braille string", m_buffer[m_pos]); + } + + s[length++] = encoding[c]; + m_pos++; + } + } + + m_pos++; // Go past the right quote. + + ExpectEmptyRestOfLine(); + + return length; +} + +// If we're at a comma, consumes it. +// Returns whether a comma was found. +bool AsmFile::ConsumeComma() +{ + if (m_buffer[m_pos] == ',') + { + m_pos++; + return true; + } + + return false; +} + +// Converts digit character to numerical value. +static int ConvertDigit(char c, int radix) +{ + int digit; + + if (c >= '0' && c <= '9') + digit = c - '0'; + else if (c >= 'A' && c <= 'F') + digit = 10 + c - 'A'; + else if (c >= 'a' && c <= 'f') + digit = 10 + c - 'a'; + else + return -1; + + return (digit < radix) ? digit : -1; +} + +// Reads an integer. If the integer is greater than maxValue, it returns -1. +int AsmFile::ReadPadLength() +{ + if (!IsAsciiDigit(m_buffer[m_pos])) + RaiseError("expected integer"); + + int radix = 10; + + if (m_buffer[m_pos] == '0' && m_buffer[m_pos + 1] == 'x') + { + radix = 16; + m_pos += 2; + } + + unsigned n = 0; + int digit; + + while ((digit = ConvertDigit(m_buffer[m_pos], radix)) != -1) + { + n = n * radix + digit; + + if (n > kMaxStringLength) + RaiseError("pad length greater than maximum length (%d)", kMaxStringLength); + + m_pos++; + } + + return n; +} + +// Outputs the current line and moves to the next one. +void AsmFile::OutputLine() +{ + while (m_buffer[m_pos] != '\n' && m_buffer[m_pos] != 0) + m_pos++; + + if (m_buffer[m_pos] == 0) + { + if (m_pos >= m_size) + { + RaiseWarning("file doesn't end with newline"); + puts(&m_buffer[m_lineStart]); + } + else + { + RaiseError("unexpected null character"); + } + } + else + { + m_buffer[m_pos] = 0; + puts(&m_buffer[m_lineStart]); + m_buffer[m_pos] = '\n'; + m_pos++; + m_lineStart = m_pos; + m_lineNum++; + } +} + +// Asserts that the rest of the line is empty and moves to the next one. +void AsmFile::ExpectEmptyRestOfLine() +{ + SkipWhitespace(); + + if (m_buffer[m_pos] == 0) + { + if (m_pos >= m_size) + RaiseWarning("file doesn't end with newline"); + else + RaiseError("unexpected null character"); + } + else if (m_buffer[m_pos] == '\n') + { + m_pos++; + m_lineStart = m_pos; + m_lineNum++; + } + else if (m_buffer[m_pos] == '\r') + { + RaiseError("only Unix-style LF newlines are supported"); + } + else + { + RaiseError("junk at end of line"); + } +} + +// Checks if we're at the end of the file. +bool AsmFile::IsAtEnd() +{ + return (m_pos >= m_size); +} + +// Output the current location to set gas's logical file and line numbers. +void AsmFile::OutputLocation() +{ + std::printf("# %ld \"%s\"\n", m_lineNum, m_filename.c_str()); +} + +// Reports a diagnostic message. +void AsmFile::ReportDiagnostic(const char* type, const char* format, std::va_list args) +{ + const int bufferSize = 1024; + char buffer[bufferSize]; + std::vsnprintf(buffer, bufferSize, format, args); + std::fprintf(stderr, "%s:%ld: %s: %s\n", m_filename.c_str(), m_lineNum, type, buffer); +} + +#define DO_REPORT(type) \ +do \ +{ \ + std::va_list args; \ + va_start(args, format); \ + ReportDiagnostic(type, format, args); \ + va_end(args); \ +} while (0) + +// Reports an error diagnostic and terminates the program. +void AsmFile::RaiseError(const char* format, ...) +{ + DO_REPORT("error"); + std::exit(1); +} + +// Reports a warning diagnostic. +void AsmFile::RaiseWarning(const char* format, ...) +{ + DO_REPORT("warning"); +} diff --git a/tools/preproc/asm_file.h b/tools/preproc/asm_file.h new file mode 100644 index 000000000..d73b36e90 --- /dev/null +++ b/tools/preproc/asm_file.h @@ -0,0 +1,72 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef ASM_FILE_H +#define ASM_FILE_H + +#include +#include +#include +#include "preproc.h" + +enum class Directive +{ + Include, + String, + Braille, + Unknown +}; + +class AsmFile +{ +public: + AsmFile(std::string filename); + AsmFile(AsmFile&& other); + AsmFile(const AsmFile&) = delete; + ~AsmFile(); + Directive GetDirective(); + std::string GetGlobalLabel(); + std::string ReadPath(); + int ReadString(unsigned char* s); + int ReadBraille(unsigned char* s); + bool IsAtEnd(); + void OutputLine(); + void OutputLocation(); + +private: + char* m_buffer; + long m_pos; + long m_size; + long m_lineNum; + long m_lineStart; + std::string m_filename; + + bool ConsumeComma(); + int ReadPadLength(); + void RemoveComments(); + bool CheckForDirective(std::string name); + void SkipWhitespace(); + void ExpectEmptyRestOfLine(); + void ReportDiagnostic(const char* type, const char* format, std::va_list args); + void RaiseError(const char* format, ...); + void RaiseWarning(const char* format, ...); +}; + +#endif // ASM_FILE_H diff --git a/tools/preproc/c_file.cpp b/tools/preproc/c_file.cpp new file mode 100644 index 000000000..24b3453e8 --- /dev/null +++ b/tools/preproc/c_file.cpp @@ -0,0 +1,421 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include +#include "preproc.h" +#include "c_file.h" +#include "char_util.h" +#include "utf8.h" +#include "string_parser.h" + +CFile::CFile(std::string filename) : m_filename(filename) +{ + FILE *fp = std::fopen(filename.c_str(), "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", filename.c_str()); + + std::fseek(fp, 0, SEEK_END); + + m_size = std::ftell(fp); + + if (m_size < 0) + FATAL_ERROR("File size of \"%s\" is less than zero.\n", filename.c_str()); + + m_buffer = new char[m_size + 1]; + + std::rewind(fp); + + if (std::fread(m_buffer, m_size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", filename.c_str()); + + m_buffer[m_size] = 0; + + std::fclose(fp); + + m_pos = 0; + m_lineNum = 1; +} + +CFile::CFile(CFile&& other) : m_filename(std::move(other.m_filename)) +{ + m_buffer = other.m_buffer; + m_pos = other.m_pos; + m_size = other.m_size; + m_lineNum = other.m_lineNum; + + other.m_buffer = nullptr; +} + +CFile::~CFile() +{ + delete[] m_buffer; +} + +void CFile::Preproc() +{ + char stringChar = 0; + + while (m_pos < m_size) + { + if (stringChar) + { + if (m_buffer[m_pos] == stringChar) + { + std::putchar(stringChar); + m_pos++; + stringChar = 0; + } + else if (m_buffer[m_pos] == '\\' && m_buffer[m_pos + 1] == stringChar) + { + std::putchar('\\'); + std::putchar(stringChar); + m_pos += 2; + } + else + { + if (m_buffer[m_pos] == '\n') + m_lineNum++; + std::putchar(m_buffer[m_pos]); + m_pos++; + } + } + else + { + TryConvertString(); + TryConvertIncbin(); + + if (m_pos >= m_size) + break; + + char c = m_buffer[m_pos++]; + + std::putchar(c); + + if (c == '\n') + m_lineNum++; + else if (c == '"') + stringChar = '"'; + else if (c == '\'') + stringChar = '\''; + } + } +} + +bool CFile::ConsumeHorizontalWhitespace() +{ + if (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ') + { + m_pos++; + return true; + } + + return false; +} + +bool CFile::ConsumeNewline() +{ + if (m_buffer[m_pos] == '\r' && m_buffer[m_pos + 1] == '\n') + { + m_pos += 2; + m_lineNum++; + std::putchar('\n'); + return true; + } + + if (m_buffer[m_pos] == '\n') + { + m_pos++; + m_lineNum++; + std::putchar('\n'); + return true; + } + + return false; +} + +void CFile::SkipWhitespace() +{ + while (ConsumeHorizontalWhitespace() || ConsumeNewline()) + ; +} + +void CFile::TryConvertString() +{ + long oldPos = m_pos; + long oldLineNum = m_lineNum; + bool noTerminator = false; + + if (m_buffer[m_pos] != '_' || (m_pos > 0 && IsIdentifierChar(m_buffer[m_pos - 1]))) + return; + + m_pos++; + + if (m_buffer[m_pos] == '_') + { + noTerminator = true; + m_pos++; + } + + SkipWhitespace(); + + if (m_buffer[m_pos] != '(') + { + m_pos = oldPos; + m_lineNum = oldLineNum; + return; + } + + m_pos++; + + SkipWhitespace(); + + std::printf("{ "); + + while (1) + { + SkipWhitespace(); + + if (m_buffer[m_pos] == '"') + { + unsigned char s[kMaxStringLength]; + int length; + StringParser stringParser(m_buffer, m_size); + + try + { + m_pos += stringParser.ParseString(m_pos, s, length); + } + catch (std::runtime_error e) + { + RaiseError(e.what()); + } + + for (int i = 0; i < length; i++) + printf("0x%02X, ", s[i]); + } + else if (m_buffer[m_pos] == ')') + { + m_pos++; + break; + } + else + { + if (m_pos >= m_size) + RaiseError("unexpected EOF"); + if (IsAsciiPrintable(m_buffer[m_pos])) + RaiseError("unexpected character '%c'", m_buffer[m_pos]); + else + RaiseError("unexpected character '\\x%02X'", m_buffer[m_pos]); + } + } + + if (noTerminator) + std::printf(" }"); + else + std::printf("0xFF }"); +} + +bool CFile::CheckIdentifier(const std::string& ident) +{ + unsigned int i; + + for (i = 0; i < ident.length() && m_pos + i < (unsigned)m_size; i++) + if (ident[i] != m_buffer[m_pos + i]) + return false; + + return (i == ident.length()); +} + +std::unique_ptr CFile::ReadWholeFile(const std::string& path, int& size) +{ + FILE* fp = std::fopen(path.c_str(), "rb"); + + if (fp == nullptr) + RaiseError("Failed to open \"%s\" for reading.\n", path.c_str()); + + std::fseek(fp, 0, SEEK_END); + + size = std::ftell(fp); + + std::unique_ptr buffer = std::unique_ptr(new unsigned char[size]); + + std::rewind(fp); + + if (std::fread(buffer.get(), size, 1, fp) != 1) + RaiseError("Failed to read \"%s\".\n", path.c_str()); + + std::fclose(fp); + + return buffer; +} + +int ExtractData(const std::unique_ptr& buffer, int offset, int size) +{ + switch (size) + { + case 1: + return buffer[offset]; + case 2: + return (buffer[offset + 1] << 8) + | buffer[offset]; + case 4: + return (buffer[offset + 3] << 24) + | (buffer[offset + 2] << 16) + | (buffer[offset + 1] << 8) + | buffer[offset]; + default: + FATAL_ERROR("Invalid size passed to ExtractData.\n"); + } +} + +void CFile::TryConvertIncbin() +{ + std::string idents[6] = { "INCBIN_S8", "INCBIN_U8", "INCBIN_S16", "INCBIN_U16", "INCBIN_S32", "INCBIN_U32" }; + int incbinType = -1; + + for (int i = 0; i < 6; i++) + { + if (CheckIdentifier(idents[i])) + { + incbinType = i; + break; + } + } + + if (incbinType == -1) + return; + + int size = 1 << (incbinType / 2); + bool isSigned = ((incbinType % 2) == 0); + + long oldPos = m_pos; + long oldLineNum = m_lineNum; + + m_pos += idents[incbinType].length(); + + SkipWhitespace(); + + if (m_buffer[m_pos] != '(') + { + m_pos = oldPos; + m_lineNum = oldLineNum; + return; + } + + m_pos++; + + SkipWhitespace(); + + if (m_buffer[m_pos] != '"') + RaiseError("expected double quote"); + + m_pos++; + + int startPos = m_pos; + + while (m_buffer[m_pos] != '"') + { + if (m_buffer[m_pos] == 0) + { + if (m_pos >= m_size) + RaiseError("unexpected EOF in path string"); + else + RaiseError("unexpected null character in path string"); + } + + if (m_buffer[m_pos] == '\r' || m_buffer[m_pos] == '\n') + RaiseError("unexpected end of line character in path string"); + + if (m_buffer[m_pos] == '\\') + RaiseError("unexpected escape in path string"); + + m_pos++; + } + + std::string path(&m_buffer[startPos], m_pos - startPos); + + m_pos++; + + SkipWhitespace(); + + if (m_buffer[m_pos] != ')') + RaiseError("expected ')'"); + + m_pos++; + + std::printf("{"); + + int fileSize; + std::unique_ptr buffer = ReadWholeFile(path, fileSize); + + if ((fileSize % size) != 0) + RaiseError("Size %d doesn't evenly divide file size %d.\n", size, fileSize); + + int count = fileSize / size; + int offset = 0; + + for (int i = 0; i < count; i++) + { + int data = ExtractData(buffer, offset, size); + offset += size; + + if (isSigned) + std::printf("%d,", data); + else + std::printf("%uu,", data); + } + + std::printf("}"); +} + +// Reports a diagnostic message. +void CFile::ReportDiagnostic(const char* type, const char* format, std::va_list args) +{ + const int bufferSize = 1024; + char buffer[bufferSize]; + std::vsnprintf(buffer, bufferSize, format, args); + std::fprintf(stderr, "%s:%ld: %s: %s\n", m_filename.c_str(), m_lineNum, type, buffer); +} + +#define DO_REPORT(type) \ +do \ +{ \ + std::va_list args; \ + va_start(args, format); \ + ReportDiagnostic(type, format, args); \ + va_end(args); \ +} while (0) + +// Reports an error diagnostic and terminates the program. +void CFile::RaiseError(const char* format, ...) +{ + DO_REPORT("error"); + std::exit(1); +} + +// Reports a warning diagnostic. +void CFile::RaiseWarning(const char* format, ...) +{ + DO_REPORT("warning"); +} diff --git a/tools/preproc/c_file.h b/tools/preproc/c_file.h new file mode 100644 index 000000000..7369aba85 --- /dev/null +++ b/tools/preproc/c_file.h @@ -0,0 +1,58 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef C_FILE_H +#define C_FILE_H + +#include +#include +#include +#include +#include "preproc.h" + +class CFile +{ +public: + CFile(std::string filename); + CFile(CFile&& other); + CFile(const CFile&) = delete; + ~CFile(); + void Preproc(); + +private: + char* m_buffer; + long m_pos; + long m_size; + long m_lineNum; + std::string m_filename; + + bool ConsumeHorizontalWhitespace(); + bool ConsumeNewline(); + void SkipWhitespace(); + void TryConvertString(); + std::unique_ptr ReadWholeFile(const std::string& path, int& size); + bool CheckIdentifier(const std::string& ident); + void TryConvertIncbin(); + void ReportDiagnostic(const char* type, const char* format, std::va_list args); + void RaiseError(const char* format, ...); + void RaiseWarning(const char* format, ...); +}; + +#endif // C_FILE_H diff --git a/tools/preproc/char_util.h b/tools/preproc/char_util.h new file mode 100644 index 000000000..02a6e1ceb --- /dev/null +++ b/tools/preproc/char_util.h @@ -0,0 +1,71 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef CHAR_UTIL_H +#define CHAR_UTIL_H + +#include +#include + +inline bool IsAscii(unsigned char c) +{ + return (c < 128); +} + +inline bool IsAsciiAlpha(unsigned char c) +{ + return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')); +} + +inline bool IsAsciiDigit(unsigned char c) +{ + return (c >= '0' && c <= '9'); +} + +inline bool IsAsciiHexDigit(unsigned char c) +{ + return ((c >= '0' && c <= '9') + || (c >= 'a' && c <= 'f') + || (c >= 'A' && c <= 'F')); +} + +inline bool IsAsciiAlphanum(unsigned char c) +{ + return (IsAsciiAlpha(c) || IsAsciiDigit(c)); +} + +inline bool IsAsciiPrintable(unsigned char c) +{ + return (c >= ' ' && c <= '~'); +} + +// Returns whether the character can start a C identifier or the identifier of a "{FOO}" constant in strings. +inline bool IsIdentifierStartingChar(unsigned char c) +{ + return IsAsciiAlpha(c) || c == '_'; +} + +// Returns whether the character can be used in a C identifier or the identifier of a "{FOO}" constant in strings. +inline bool IsIdentifierChar(unsigned char c) +{ + return IsAsciiAlphanum(c) || c == '_'; +} + +#endif // CHAR_UTIL_H diff --git a/tools/preproc/charmap.cpp b/tools/preproc/charmap.cpp new file mode 100644 index 000000000..a7bedfe26 --- /dev/null +++ b/tools/preproc/charmap.cpp @@ -0,0 +1,408 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include "preproc.h" +#include "charmap.h" +#include "char_util.h" +#include "utf8.h" + +enum LhsType +{ + Char, + Escape, + Constant, + None +}; + +struct Lhs +{ + LhsType type; + std::string name; + std::int32_t code; +}; + +class CharmapReader +{ +public: + CharmapReader(std::string filename); + CharmapReader(const CharmapReader&) = delete; + ~CharmapReader(); + Lhs ReadLhs(); + void ExpectEqualsSign(); + std::string ReadSequence(); + void ExpectEmptyRestOfLine(); + void RaiseError(const char* format, ...); + +private: + char* m_buffer; + long m_pos; + long m_size; + long m_lineNum; + std::string m_filename; + + void RemoveComments(); + std::string ReadConstant(); + void SkipWhitespace(); +}; + +CharmapReader::CharmapReader(std::string filename) : m_filename(filename) +{ + FILE *fp = std::fopen(filename.c_str(), "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", filename.c_str()); + + std::fseek(fp, 0, SEEK_END); + + m_size = std::ftell(fp); + + if (m_size < 0) + FATAL_ERROR("File size of \"%s\" is less than zero.\n", filename.c_str()); + + m_buffer = new char[m_size + 1]; + + std::rewind(fp); + + if (std::fread(m_buffer, m_size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", filename.c_str()); + + m_buffer[m_size] = 0; + + std::fclose(fp); + + m_pos = 0; + m_lineNum = 1; + + RemoveComments(); +} + +CharmapReader::~CharmapReader() +{ + delete[] m_buffer; +} + +Lhs CharmapReader::ReadLhs() +{ + Lhs lhs; + + for (;;) + { + SkipWhitespace(); + + if (m_buffer[m_pos] == '\n') + { + m_pos++; + m_lineNum++; + } + else + { + break; + } + } + + if (m_buffer[m_pos] == '\'') + { + m_pos++; + + bool isEscape = (m_buffer[m_pos] == '\\'); + + if (isEscape) + { + m_pos++; + } + + unsigned char c = m_buffer[m_pos]; + + if (c == 0) + { + if (m_pos >= m_size) + RaiseError("unexpected EOF in UTF-8 character literal"); + else + RaiseError("unexpected null character in UTF-8 character literal"); + } + + if (IsAscii(c) && !IsAsciiPrintable(c)) + RaiseError("unexpected character U+%X in UTF-8 character literal", c); + + UnicodeChar unicodeChar = DecodeUtf8(&m_buffer[m_pos]); + std::int32_t code = unicodeChar.code; + + if (code == -1) + RaiseError("invalid encoding in UTF-8 character literal"); + + m_pos += unicodeChar.encodingLength; + + if (m_buffer[m_pos] != '\'') + RaiseError("unterminated character literal"); + + m_pos++; + + lhs.code = code; + + if (isEscape) + { + if (code >= 128) + RaiseError("escapes using non-ASCII characters are invalid"); + + switch (code) + { + case '\'': + lhs.type = LhsType::Char; + break; + case '\\': + lhs.type = LhsType::Char; + case '"': + RaiseError("cannot escape double quote"); + break; + default: + lhs.type = LhsType::Escape; + } + } + else + { + if (code == '\'') + RaiseError("empty character literal"); + + lhs.type = LhsType::Char; + } + } + else if (IsIdentifierStartingChar(m_buffer[m_pos])) + { + lhs.type = LhsType::Constant; + lhs.name = ReadConstant(); + } + else if (m_buffer[m_pos] == '\r') + { + RaiseError("only Unix-style LF newlines are supported"); + } + else if (m_buffer[m_pos] == 0) + { + if (m_pos < m_size) + RaiseError("unexpected null character"); + lhs.type = LhsType::None; + } + else + { + RaiseError("junk at start of line"); + } + + return lhs; +} + +void CharmapReader::ExpectEqualsSign() +{ + SkipWhitespace(); + + if (m_buffer[m_pos] != '=') + RaiseError("expected equals sign"); + + m_pos++; +} + +static unsigned int ConvertHexDigit(char c) +{ + unsigned int digit = 0; + + if (c >= '0' && c <= '9') + digit = c - '0'; + else if (c >= 'A' && c <= 'F') + digit = 10 + c - 'A'; + else if (c >= 'a' && c <= 'f') + digit = 10 + c - 'a'; + + return digit; +} + +std::string CharmapReader::ReadSequence() +{ + SkipWhitespace(); + + long startPos = m_pos; + + unsigned int length = 0; + + while (IsAsciiHexDigit(m_buffer[m_pos]) && IsAsciiHexDigit(m_buffer[m_pos + 1])) + { + m_pos += 2; + length++; + + if (length > kMaxCharmapSequenceLength) + RaiseError("byte sequence too long (max is %lu bytes)", kMaxCharmapSequenceLength); + + SkipWhitespace(); + } + + if (IsAsciiHexDigit(m_buffer[m_pos])) + RaiseError("each byte must have 2 hex digits"); + + if (length == 0) + RaiseError("expected byte sequence"); + + std::string sequence; + sequence.reserve(length); + + m_pos = startPos; + + for (unsigned int i = 0; i < length; i++) + { + unsigned int digit1 = ConvertHexDigit(m_buffer[m_pos]); + unsigned int digit2 = ConvertHexDigit(m_buffer[m_pos + 1]); + unsigned char byte = digit1 * 16 + digit2; + sequence += byte; + + m_pos += 2; + SkipWhitespace(); + } + + return sequence; +} + +void CharmapReader::ExpectEmptyRestOfLine() +{ + SkipWhitespace(); + + if (m_buffer[m_pos] == 0) + { + if (m_pos < m_size) + RaiseError("unexpected null character"); + } + else if (m_buffer[m_pos] == '\n') + { + m_pos++; + m_lineNum++; + } + else if (m_buffer[m_pos] == '\r') + { + RaiseError("only Unix-style LF newlines are supported"); + } + else + { + RaiseError("junk at end of line"); + } +} + +void CharmapReader::RaiseError(const char* format, ...) +{ + const int bufferSize = 1024; + char buffer[bufferSize]; + + std::va_list args; + va_start(args, format); + std::vsnprintf(buffer, bufferSize, format, args); + va_end(args); + + std::fprintf(stderr, "%s:%ld: error: %s\n", m_filename.c_str(), m_lineNum, buffer); + + std::exit(1); +} + +void CharmapReader::RemoveComments() +{ + long pos = 0; + bool inString = false; + + for (;;) + { + if (m_buffer[pos] == 0) + return; + + if (inString) + { + if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == '\'') + { + pos += 2; + } + else + { + if (m_buffer[pos] == '\'') + inString = false; + pos++; + } + } + else if (m_buffer[pos] == '@') + { + while (m_buffer[pos] != '\n' && m_buffer[pos] != 0) + m_buffer[pos++] = ' '; + } + else + { + if (m_buffer[pos] == '\'') + inString = true; + pos++; + } + } +} + +std::string CharmapReader::ReadConstant() +{ + long startPos = m_pos; + + while (IsIdentifierChar(m_buffer[m_pos])) + m_pos++; + + return std::string(&m_buffer[startPos], m_pos - startPos); +} + +void CharmapReader::SkipWhitespace() +{ + while (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ') + m_pos++; +} + +Charmap::Charmap(std::string filename) +{ + CharmapReader reader(filename); + + for (;;) + { + Lhs lhs = reader.ReadLhs(); + + if (lhs.type == LhsType::None) + return; + + reader.ExpectEqualsSign(); + + std::string sequence = reader.ReadSequence(); + + switch (lhs.type) + { + case LhsType::Char: + if (m_chars.find(lhs.code) != m_chars.end()) + reader.RaiseError("redefining char"); + m_chars[lhs.code] = sequence; + break; + case LhsType::Escape: + if (m_escapes[lhs.code].length() != 0) + reader.RaiseError("redefining escape"); + m_escapes[lhs.code] = sequence; + break; + case LhsType::Constant: + if (m_constants.find(lhs.name) != m_constants.end()) + reader.RaiseError("redefining constant"); + m_constants[lhs.name] = sequence; + break; + } + + reader.ExpectEmptyRestOfLine(); + } +} diff --git a/tools/preproc/charmap.h b/tools/preproc/charmap.h new file mode 100644 index 000000000..0d752ac99 --- /dev/null +++ b/tools/preproc/charmap.h @@ -0,0 +1,64 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef CHARMAP_H +#define CHARMAP_H + +#include +#include +#include +#include + +class Charmap +{ +public: + Charmap(std::string filename); + + std::string Char(std::int32_t code) + { + auto it = m_chars.find(code); + + if (it == m_chars.end()) + return std::string(); + + return it->second; + } + + std::string Escape(unsigned char code) + { + return m_escapes[code]; + } + + std::string Constant(std::string identifier) + { + auto it = m_constants.find(identifier); + + if (it == m_constants.end()) + return std::string(); + + return it->second; + } +private: + std::map m_chars; + std::string m_escapes[128]; + std::map m_constants; +}; + +#endif // CHARMAP_H diff --git a/tools/preproc/preproc.cpp b/tools/preproc/preproc.cpp new file mode 100644 index 000000000..c9c6042df --- /dev/null +++ b/tools/preproc/preproc.cpp @@ -0,0 +1,156 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include "preproc.h" +#include "asm_file.h" +#include "c_file.h" +#include "charmap.h" + +Charmap* g_charmap; + +void PrintAsmBytes(unsigned char *s, int length) +{ + if (length > 0) + { + std::printf("\t.byte "); + for (int i = 0; i < length; i++) + { + std::printf("0x%02X", s[i]); + + if (i < length - 1) + std::printf(", "); + } + std::putchar('\n'); + } +} + +void PreprocAsmFile(std::string filename) +{ + std::stack stack; + + stack.push(AsmFile(filename)); + + for (;;) + { + while (stack.top().IsAtEnd()) + { + stack.pop(); + + if (stack.empty()) + return; + else + stack.top().OutputLocation(); + } + + Directive directive = stack.top().GetDirective(); + + switch (directive) + { + case Directive::Include: + stack.push(AsmFile(stack.top().ReadPath())); + stack.top().OutputLocation(); + break; + case Directive::String: + { + unsigned char s[kMaxStringLength]; + int length = stack.top().ReadString(s); + PrintAsmBytes(s, length); + break; + } + case Directive::Braille: + { + unsigned char s[kMaxStringLength]; + int length = stack.top().ReadBraille(s); + PrintAsmBytes(s, length); + break; + } + case Directive::Unknown: + { + std::string globalLabel = stack.top().GetGlobalLabel(); + + if (globalLabel.length() != 0) + { + const char *s = globalLabel.c_str(); + std::printf("%s: ; .global %s\n", s, s); + } + else + { + stack.top().OutputLine(); + } + + break; + } + } + } +} + +void PreprocCFile(std::string filename) +{ + CFile cFile(filename); + cFile.Preproc(); +} + +char* GetFileExtension(char* filename) +{ + char* extension = filename; + + while (*extension != 0) + extension++; + + while (extension > filename && *extension != '.') + extension--; + + if (extension == filename) + return nullptr; + + extension++; + + if (*extension == 0) + return nullptr; + + return extension; +} + +int main(int argc, char **argv) +{ + if (argc != 3) + { + std::fprintf(stderr, "Usage: %s SRC_FILE CHARMAP_FILE", argv[0]); + return 1; + } + + g_charmap = new Charmap(argv[2]); + + char* extension = GetFileExtension(argv[1]); + + if (!extension) + FATAL_ERROR("\"%s\" has no file extension.\n", argv[1]); + + if ((extension[0] == 's') && extension[1] == 0) + PreprocAsmFile(argv[1]); + else if ((extension[0] == 'c' || extension[0] == 'i') && extension[1] == 0) + PreprocCFile(argv[1]); + else + FATAL_ERROR("\"%s\" has an unknown file extension of \"%s\".\n", argv[1], extension); + + return 0; +} diff --git a/tools/preproc/preproc.h b/tools/preproc/preproc.h new file mode 100644 index 000000000..515f64e07 --- /dev/null +++ b/tools/preproc/preproc.h @@ -0,0 +1,54 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef PREPROC_H +#define PREPROC_H + +#include +#include +#include "charmap.h" + +#ifdef _MSC_VER + +#define FATAL_ERROR(format, ...) \ +do \ +{ \ + std::fprintf(stderr, format, __VA_ARGS__); \ + std::exit(1); \ +} while (0) + +#else + +#define FATAL_ERROR(format, ...) \ +do \ +{ \ + std::fprintf(stderr, format, ##__VA_ARGS__); \ + std::exit(1); \ +} while (0) + +#endif // _MSC_VER + +const int kMaxPath = 256; +const int kMaxStringLength = 1024; +const unsigned long kMaxCharmapSequenceLength = 16; + +extern Charmap* g_charmap; + +#endif // PREPROC_H diff --git a/tools/preproc/string_parser.cpp b/tools/preproc/string_parser.cpp new file mode 100644 index 000000000..dd5196a44 --- /dev/null +++ b/tools/preproc/string_parser.cpp @@ -0,0 +1,355 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include "preproc.h" +#include "string_parser.h" +#include "char_util.h" +#include "utf8.h" + +// Reads a charmap char or escape sequence. +std::string StringParser::ReadCharOrEscape() +{ + std::string sequence; + + bool isEscape = (m_buffer[m_pos] == '\\'); + + if (isEscape) + { + m_pos++; + + if (m_buffer[m_pos] == '"') + { + sequence = g_charmap->Char('"'); + + if (sequence.length() == 0) + RaiseError("no mapping exists for double quote"); + + return sequence; + } + else if (m_buffer[m_pos] == '\\') + { + sequence = g_charmap->Char('\\'); + + if (sequence.length() == 0) + RaiseError("no mapping exists for backslash"); + + return sequence; + } + } + + unsigned char c = m_buffer[m_pos]; + + if (c == 0) + { + if (m_pos >= m_size) + RaiseError("unexpected EOF in UTF-8 string"); + else + RaiseError("unexpected null character in UTF-8 string"); + } + + if (IsAscii(c) && !IsAsciiPrintable(c)) + RaiseError("unexpected character U+%X in UTF-8 string", c); + + UnicodeChar unicodeChar = DecodeUtf8(&m_buffer[m_pos]); + m_pos += unicodeChar.encodingLength; + std::int32_t code = unicodeChar.code; + + if (code == -1) + RaiseError("invalid encoding in UTF-8 string"); + + if (isEscape && code >= 128) + RaiseError("escapes using non-ASCII characters are invalid"); + + sequence = isEscape ? g_charmap->Escape(code) : g_charmap->Char(code); + + if (sequence.length() == 0) + { + if (isEscape) + RaiseError("unknown escape '\\%c'", code); + else + RaiseError("unknown character U+%X", code); + } + + return sequence; +} + +// Reads a charmap constant, i.e. "{FOO}". +std::string StringParser::ReadBracketedConstants() +{ + std::string totalSequence; + + m_pos++; // Assume we're on the left curly bracket. + + while (m_buffer[m_pos] != '}') + { + SkipWhitespace(); + + if (IsIdentifierStartingChar(m_buffer[m_pos])) + { + long startPos = m_pos; + + m_pos++; + + while (IsIdentifierChar(m_buffer[m_pos])) + m_pos++; + + std::string sequence = g_charmap->Constant(std::string(&m_buffer[startPos], m_pos - startPos)); + + if (sequence.length() == 0) + { + m_buffer[m_pos] = 0; + RaiseError("unknown constant '%s'", &m_buffer[startPos]); + } + + totalSequence += sequence; + } + else if (IsAsciiDigit(m_buffer[m_pos])) + { + Integer integer = ReadInteger(); + + switch (integer.size) + { + case 1: + totalSequence += (unsigned char)integer.value; + break; + case 2: + totalSequence += (unsigned char)integer.value; + totalSequence += (unsigned char)(integer.value >> 8); + break; + case 4: + totalSequence += (unsigned char)integer.value; + totalSequence += (unsigned char)(integer.value >> 8); + totalSequence += (unsigned char)(integer.value >> 16); + totalSequence += (unsigned char)(integer.value >> 24); + break; + } + } + else if (m_buffer[m_pos] == 0) + { + if (m_pos >= m_size) + RaiseError("unexpected EOF after left curly bracket"); + else + RaiseError("unexpected null character within curly brackets"); + } + else + { + if (IsAsciiPrintable(m_buffer[m_pos])) + RaiseError("unexpected character '%c' within curly brackets", m_buffer[m_pos]); + else + RaiseError("unexpected character '\\x%02X' within curly brackets", m_buffer[m_pos]); + } + } + + m_pos++; // Go past the right curly bracket. + + return totalSequence; +} + +// Reads a charmap string. +int StringParser::ParseString(long srcPos, unsigned char* dest, int& destLength) +{ + m_pos = srcPos; + + if (m_buffer[m_pos] != '"') + RaiseError("expected UTF-8 string literal"); + + long start = m_pos; + + m_pos++; + + destLength = 0; + + while (m_buffer[m_pos] != '"') + { + std::string sequence = (m_buffer[m_pos] == '{') ? ReadBracketedConstants() : ReadCharOrEscape(); + + for (const char& c : sequence) + { + if (destLength == kMaxStringLength) + RaiseError("mapped string longer than %d bytes", kMaxStringLength); + + dest[destLength++] = c; + } + } + + m_pos++; // Go past the right quote. + + return m_pos - start; +} + +void StringParser::RaiseError(const char* format, ...) +{ + const int bufferSize = 1024; + char buffer[bufferSize]; + + std::va_list args; + va_start(args, format); + std::vsnprintf(buffer, bufferSize, format, args); + va_end(args); + + throw std::runtime_error(buffer); +} + +// Converts digit character to numerical value. +static int ConvertDigit(char c, int radix) +{ + int digit; + + if (c >= '0' && c <= '9') + digit = c - '0'; + else if (c >= 'A' && c <= 'F') + digit = 10 + c - 'A'; + else if (c >= 'a' && c <= 'f') + digit = 10 + c - 'a'; + else + return -1; + + return (digit < radix) ? digit : -1; +} + +void StringParser::SkipRestOfInteger(int radix) +{ + while (ConvertDigit(m_buffer[m_pos], radix) != -1) + m_pos++; +} + +StringParser::Integer StringParser::ReadDecimal() +{ + const int radix = 10; + std::uint64_t n = 0; + int digit; + std::uint64_t max = UINT32_MAX; + long startPos = m_pos; + + while ((digit = ConvertDigit(m_buffer[m_pos], radix)) != -1) + { + n = n * radix + digit; + + if (n >= max) + { + SkipRestOfInteger(radix); + + std::string intLiteral(m_buffer + startPos, m_pos - startPos); + RaiseError("integer literal \"%s\" is too large", intLiteral.c_str()); + } + + m_pos++; + } + + int size; + + if (m_buffer[m_pos] == 'H') + { + if (n >= 0x10000) + { + RaiseError("%lu is too large to be a halfword", (unsigned long)n); + } + + size = 2; + m_pos++; + } + else if (m_buffer[m_pos] == 'W') + { + size = 4; + m_pos++; + } + else + { + if (n >= 0x10000) + size = 4; + else if (n >= 0x100) + size = 2; + else + size = 1; + } + + return{ static_cast(n), size }; +} + +StringParser::Integer StringParser::ReadHex() +{ + const int radix = 16; + std::uint64_t n = 0; + int digit; + std::uint64_t max = UINT32_MAX; + long startPos = m_pos; + + while ((digit = ConvertDigit(m_buffer[m_pos], radix)) != -1) + { + n = n * radix + digit; + + if (n >= max) + { + SkipRestOfInteger(radix); + + std::string intLiteral(m_buffer + startPos, m_pos - startPos); + RaiseError("integer literal \"%s\" is too large", intLiteral.c_str()); + } + + m_pos++; + } + + int length = m_pos - startPos; + int size = 0; + + switch (length) + { + case 2: + size = 1; + break; + case 4: + size = 2; + break; + case 8: + size = 4; + break; + default: + { + std::string intLiteral(m_buffer + startPos, m_pos - startPos); + RaiseError("hex integer literal \"0x%s\" doesn't have length of 2, 4, or 8 digits", intLiteral.c_str()); + } + } + + return{ static_cast(n), size }; +} + +StringParser::Integer StringParser::ReadInteger() +{ + if (!IsAsciiDigit(m_buffer[m_pos])) + RaiseError("expected integer"); + + if (m_buffer[m_pos] == '0' && m_buffer[m_pos + 1] == 'x') + { + m_pos += 2; + return ReadHex(); + } + + return ReadDecimal(); +} + +// Skips tabs and spaces. +void StringParser::SkipWhitespace() +{ + while (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ') + m_pos++; +} diff --git a/tools/preproc/string_parser.h b/tools/preproc/string_parser.h new file mode 100644 index 000000000..abd2bfe9a --- /dev/null +++ b/tools/preproc/string_parser.h @@ -0,0 +1,55 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef STRING_PARSER_H +#define STRING_PARSER_H + +#include +#include +#include "preproc.h" + +class StringParser +{ +public: + StringParser(char* buffer, long size) : m_buffer(buffer), m_size(size), m_pos(0) {} + int ParseString(long srcPos, unsigned char* dest, int &destLength); + +private: + struct Integer + { + std::uint32_t value; + int size; + }; + + char* m_buffer; + long m_size; + long m_pos; + + Integer ReadInteger(); + Integer ReadDecimal(); + Integer ReadHex(); + std::string ReadCharOrEscape(); + std::string ReadBracketedConstants(); + void SkipWhitespace(); + void SkipRestOfInteger(int radix); + void RaiseError(const char* format, ...); +}; + +#endif // STRING_PARSER_H diff --git a/tools/preproc/utf8.cpp b/tools/preproc/utf8.cpp new file mode 100644 index 000000000..7facfd44e --- /dev/null +++ b/tools/preproc/utf8.cpp @@ -0,0 +1,92 @@ +// Copyright (c) 2008-2009 Bjoern Hoehrmann +// See http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ for details. +// +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include "utf8.h" + +static const unsigned char s_byteTypeTable[] = +{ + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 00..1f + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 20..3f + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 40..5f + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, // 60..7f + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, // 80..9f + 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, // a0..bf + 8,8,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, // c0..df + 0xa,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x4,0x3,0x3, // e0..ef + 0xb,0x6,0x6,0x6,0x5,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8, // f0..ff +}; + +const unsigned char s0 = 0 * 12; +const unsigned char s1 = 1 * 12; +const unsigned char s2 = 2 * 12; +const unsigned char s3 = 3 * 12; +const unsigned char s4 = 4 * 12; +const unsigned char s5 = 5 * 12; +const unsigned char s6 = 6 * 12; +const unsigned char s7 = 7 * 12; +const unsigned char s8 = 8 * 12; + +static const unsigned char s_transitionTable[] = +{ + s0,s1,s2,s3,s5,s8,s7,s1,s1,s1,s4,s6, // s0 + s1,s1,s1,s1,s1,s1,s1,s1,s1,s1,s1,s1, // s1 + s1,s0,s1,s1,s1,s1,s1,s0,s1,s0,s1,s1, // s2 + s1,s2,s1,s1,s1,s1,s1,s2,s1,s2,s1,s1, // s3 + s1,s1,s1,s1,s1,s1,s1,s2,s1,s1,s1,s1, // s4 + s1,s2,s1,s1,s1,s1,s1,s1,s1,s2,s1,s1, // s5 + s1,s1,s1,s1,s1,s1,s1,s3,s1,s3,s1,s1, // s6 + s1,s3,s1,s1,s1,s1,s1,s3,s1,s3,s1,s1, // s7 + s1,s3,s1,s1,s1,s1,s1,s1,s1,s1,s1,s1, // s8 +}; + +// Decodes UTF-8 encoded Unicode code point at "s". +UnicodeChar DecodeUtf8(const char* s) +{ + UnicodeChar unicodeChar; + int state = s0; + auto start = s; + + do + { + unsigned char byte = *s++; + int type = s_byteTypeTable[byte]; + + if (state == s0) + unicodeChar.code = (0xFF >> type) & byte; + else + unicodeChar.code = (unicodeChar.code << 6) | (byte & 0x3F); + + state = s_transitionTable[state + type]; + + if (state == s1) + { + unicodeChar.code = -1; + return unicodeChar; + } + } while (state != s0); + + unicodeChar.encodingLength = s - start; + + return unicodeChar; +} diff --git a/tools/preproc/utf8.h b/tools/preproc/utf8.h new file mode 100644 index 000000000..259de67c5 --- /dev/null +++ b/tools/preproc/utf8.h @@ -0,0 +1,34 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef UTF8_H +#define UTF8_H + +#include + +struct UnicodeChar +{ + std::int32_t code; + int encodingLength; +}; + +UnicodeChar DecodeUtf8(const char* s); + +#endif // UTF8_H diff --git a/tools/ramscrgen/.gitignore b/tools/ramscrgen/.gitignore new file mode 100644 index 000000000..4d0ae82c3 --- /dev/null +++ b/tools/ramscrgen/.gitignore @@ -0,0 +1 @@ +ramscrgen diff --git a/tools/ramscrgen/LICENSE b/tools/ramscrgen/LICENSE new file mode 100644 index 000000000..534d15349 --- /dev/null +++ b/tools/ramscrgen/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2016 YamaArashi + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/tools/ramscrgen/Makefile b/tools/ramscrgen/Makefile new file mode 100644 index 000000000..cc6d458ba --- /dev/null +++ b/tools/ramscrgen/Makefile @@ -0,0 +1,15 @@ +CXX := g++ + +CXXFLAGS := -std=c++11 -O2 -s -Wall -Wno-switch -Werror + +SRCS := main.cpp sym_file.cpp elf.cpp + +HEADERS := ramscrgen.h sym_file.h elf.h char_util.h + +.PHONY: clean + +ramscrgen: $(SRCS) $(HEADERS) + $(CXX) $(CXXFLAGS) $(SRCS) -o $@ $(LDFLAGS) + +clean: + $(RM) ramscrgen ramscrgen.exe diff --git a/tools/ramscrgen/char_util.h b/tools/ramscrgen/char_util.h new file mode 100644 index 000000000..ab20dbc53 --- /dev/null +++ b/tools/ramscrgen/char_util.h @@ -0,0 +1,71 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef CHAR_UTIL_H +#define CHAR_UTIL_H + +#include +#include + +inline bool IsAscii(unsigned char c) +{ + return (c < 128); +} + +inline bool IsAsciiAlpha(unsigned char c) +{ + return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')); +} + +inline bool IsAsciiDigit(unsigned char c) +{ + return (c >= '0' && c <= '9'); +} + +inline bool IsAsciiHexDigit(unsigned char c) +{ + return ((c >= '0' && c <= '9') + || (c >= 'a' && c <= 'f') + || (c >= 'A' && c <= 'F')); +} + +inline bool IsAsciiAlphanum(unsigned char c) +{ + return (IsAsciiAlpha(c) || IsAsciiDigit(c)); +} + +inline bool IsAsciiPrintable(unsigned char c) +{ + return (c >= ' ' && c <= '~'); +} + +// Returns whether the character can start the identifier of a "{FOO}" constant in strings. +inline bool IsIdentifierStartingChar(unsigned char c) +{ + return IsAsciiAlpha(c) || c == '_'; +} + +// Returns whether the character can be used in the identifier of a "{FOO}" constant in strings. +inline bool IsIdentifierChar(unsigned char c) +{ + return IsAsciiAlphanum(c) || c == '_'; +} + +#endif // CHAR_UTIL_H diff --git a/tools/ramscrgen/elf.cpp b/tools/ramscrgen/elf.cpp new file mode 100644 index 000000000..7599fe0bb --- /dev/null +++ b/tools/ramscrgen/elf.cpp @@ -0,0 +1,195 @@ +#include +#include +#include +#include +#include +#include +#include "ramscrgen.h" +#include "elf.h" + +#define SHN_COMMON 0xFFF2 + +static std::string s_elfPath; + +static FILE *s_file; + +static std::uint32_t s_sectionHeaderOffset; +static int s_sectionHeaderEntrySize; +static int s_sectionCount; +static int s_shstrtabIndex; + +static std::uint32_t s_symtabOffset; +static std::uint32_t s_strtabOffset; + +static std::uint32_t s_symbolCount; + +struct Symbol +{ + std::uint32_t nameOffset; + std::uint32_t size; +}; + +static void Seek(long offset) +{ + if (std::fseek(s_file, offset, SEEK_SET) != 0) + FATAL_ERROR("error: failed to seek to %ld in \"%s\"", offset, s_elfPath.c_str()); +} + +static void Skip(long offset) +{ + if (std::fseek(s_file, offset, SEEK_CUR) != 0) + FATAL_ERROR("error: failed to skip %ld bytes in \"%s\"", offset, s_elfPath.c_str()); +} + +static std::uint32_t ReadInt8() +{ + int c = std::fgetc(s_file); + + if (c < 0) + FATAL_ERROR("error: unexpected EOF when reading ELF file \"%s\"\n", s_elfPath.c_str()); + + return c; +} + +static std::uint32_t ReadInt16() +{ + std::uint32_t val = 0; + val |= ReadInt8(); + val |= ReadInt8() << 8; + return val; +} + +static std::uint32_t ReadInt32() +{ + std::uint32_t val = 0; + val |= ReadInt8(); + val |= ReadInt8() << 8; + val |= ReadInt8() << 16; + val |= ReadInt8() << 24; + return val; +} + +static std::string ReadString() +{ + std::string s; + char c; + + while ((c = ReadInt8()) != 0) + s += c; + + return s; +} + +static void VerifyElfIdent() +{ + char expectedMagic[4] = { 0x7F, 'E', 'L', 'F' }; + char magic[4]; + + if (std::fread(magic, 4, 1, s_file) != 1) + FATAL_ERROR("error: failed to read ELF magic from \"%s\"\n", s_elfPath.c_str()); + + if (std::memcmp(magic, expectedMagic, 4) != 0) + FATAL_ERROR("error: ELF magic did not match in \"%s\"\n", s_elfPath.c_str()); + + if (std::fgetc(s_file) != 1) + FATAL_ERROR("error: \"%s\" not 32-bit ELF\n", s_elfPath.c_str()); + + if (std::fgetc(s_file) != 1) + FATAL_ERROR("error: \"%s\" not little-endian ELF\n", s_elfPath.c_str()); +} + +static void ReadElfHeader() +{ + Seek(0x20); + s_sectionHeaderOffset = ReadInt32(); + Seek(0x2E); + s_sectionHeaderEntrySize = ReadInt16(); + s_sectionCount = ReadInt16(); + s_shstrtabIndex = ReadInt16(); +} + +static std::string GetSectionName(std::uint32_t shstrtabOffset, int index) +{ + Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * index); + std::uint32_t nameOffset = ReadInt32(); + Seek(shstrtabOffset + nameOffset); + return ReadString(); +} + +static void FindTableOffsets() +{ + s_symtabOffset = 0; + s_strtabOffset = 0; + + Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * s_shstrtabIndex + 0x10); + std::uint32_t shstrtabOffset = ReadInt32(); + + for (int i = 0; i < s_sectionCount; i++) + { + std::string name = GetSectionName(shstrtabOffset, i); + + if (name == ".symtab") + { + if (s_symtabOffset) + FATAL_ERROR("error: mutiple .symtab sections found in \"%s\"\n", s_elfPath.c_str()); + Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * i + 0x10); + s_symtabOffset = ReadInt32(); + std::uint32_t size = ReadInt32(); + s_symbolCount = size / 16; + } + else if (name == ".strtab") + { + if (s_strtabOffset) + FATAL_ERROR("error: mutiple .strtab sections found in \"%s\"\n", s_elfPath.c_str()); + Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * i + 0x10); + s_strtabOffset = ReadInt32(); + } + } + + if (!s_symtabOffset) + FATAL_ERROR("error: couldn't find .symtab section in \"%s\"\n", s_elfPath.c_str()); + + if (!s_strtabOffset) + FATAL_ERROR("error: couldn't find .strtab section in \"%s\"\n", s_elfPath.c_str()); +} + +std::map GetCommonSymbols(std::string path) +{ + s_elfPath = path; + + std::map commonSymbols; + + s_file = std::fopen(s_elfPath.c_str(), "rb"); + + if (s_file == NULL) + FATAL_ERROR("error: failed to open \"%s\" for reading\n", path.c_str()); + + VerifyElfIdent(); + ReadElfHeader(); + FindTableOffsets(); + + std::vector commonSymbolVec; + + Seek(s_symtabOffset); + + for (std::uint32_t i = 0; i < s_symbolCount; i++) + { + Symbol sym; + sym.nameOffset = ReadInt32(); + Skip(4); + sym.size = ReadInt32(); + Skip(2); + std::uint16_t sectionIndex = ReadInt16(); + if (sectionIndex == SHN_COMMON) + commonSymbolVec.push_back(sym); + } + + for (const Symbol& sym : commonSymbolVec) + { + Seek(s_strtabOffset + sym.nameOffset); + std::string name = ReadString(); + commonSymbols[name] = sym.size; + } + + return commonSymbols; +} diff --git a/tools/ramscrgen/elf.h b/tools/ramscrgen/elf.h new file mode 100644 index 000000000..0bfdd696f --- /dev/null +++ b/tools/ramscrgen/elf.h @@ -0,0 +1,30 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef ELF_H +#define ELF_H + +#include +#include +#include + +std::map GetCommonSymbols(std::string path); + +#endif // ELF_H diff --git a/tools/ramscrgen/main.cpp b/tools/ramscrgen/main.cpp new file mode 100644 index 000000000..6c4f4bbd7 --- /dev/null +++ b/tools/ramscrgen/main.cpp @@ -0,0 +1,173 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include "ramscrgen.h" +#include "sym_file.h" +#include "elf.h" + +void HandleCommonInclude(std::string filename, std::string sourcePath, std::string symOrderPath, std::string lang) +{ + auto commonSymbols = GetCommonSymbols(sourcePath + "/" + filename); + + std::size_t dotIndex = filename.find_last_of('.'); + + if (dotIndex == std::string::npos) + FATAL_ERROR("error: \"%s\" doesn't have a file extension\n", filename.c_str()); + + std::string symOrderFilename = filename.substr(0, dotIndex + 1) + "txt"; + + SymFile symFile(symOrderPath + "/" + symOrderFilename); + + while (!symFile.IsAtEnd()) + { + symFile.HandleLangConditional(lang); + + std::string label = symFile.GetLabel(false); + + if (label.length() == 0) + { + unsigned long length; + if (symFile.ReadInteger(length)) + { + if (length & 3) + symFile.RaiseWarning("gap length %d is not multiple of 4", length); + printf(". += 0x%lX;\n", length); + } + } + else + { + if (commonSymbols.count(label) == 0) + symFile.RaiseError("no common symbol named \"%s\"", label.c_str()); + unsigned long size = commonSymbols[label]; + int alignment = 4; + if (size > 4) + alignment = 8; + if (size > 8) + alignment = 16; + printf(". = ALIGN(%d);\n", alignment); + printf("%s = .;\n", label.c_str()); + printf(". += 0x%lX;\n", size); + } + + symFile.ExpectEmptyRestOfLine(); + } +} + +void ConvertSymFile(std::string filename, std::string sectionName, std::string lang, bool common, std::string sourcePath, std::string commonSymPath) +{ + SymFile symFile(filename); + + while (!symFile.IsAtEnd()) + { + symFile.HandleLangConditional(lang); + + Directive directive = symFile.GetDirective(); + + switch (directive) + { + case Directive::Include: + { + std::string incFilename = symFile.ReadPath(); + symFile.ExpectEmptyRestOfLine(); + printf(". = ALIGN(4);\n"); + if (common) + HandleCommonInclude(incFilename, sourcePath, commonSymPath, lang); + else + printf("%s(%s);\n", incFilename.c_str(), sectionName.c_str()); + break; + } + case Directive::Space: + { + unsigned long length; + if (!symFile.ReadInteger(length)) + symFile.RaiseError("expected integer after .space directive"); + symFile.ExpectEmptyRestOfLine(); + printf(". += 0x%lX;\n", length); + break; + } + case Directive::Align: + { + unsigned long amount; + if (!symFile.ReadInteger(amount)) + symFile.RaiseError("expected integer after .align directive"); + if (amount > 4) + symFile.RaiseError("max alignment amount is 4"); + amount = 1UL << amount; + symFile.ExpectEmptyRestOfLine(); + printf(". = ALIGN(%lu);\n", amount); + break; + } + case Directive::Unknown: + { + std::string label = symFile.GetLabel(); + + if (label.length() != 0) + { + printf("%s = .;\n", label.c_str()); + } + + symFile.ExpectEmptyRestOfLine(); + + break; + } + } + } +} + +int main(int argc, char **argv) +{ + if (argc < 4) + { + fprintf(stderr, "Usage: %s SECTION_NAME SYM_FILE LANG [-c SRC_PATH,COMMON_SYM_PATH]", argv[0]); + return 1; + } + + bool common = false; + std::string sectionName = std::string(argv[1]); + std::string symFileName = std::string(argv[2]); + std::string lang = std::string(argv[3]); + std::string sourcePath; + std::string commonSymPath; + + if (argc > 4) + { + if (std::strcmp(argv[4], "-c") != 0) + FATAL_ERROR("error: unrecognized argument \"%s\"\n", argv[4]); + + if (argc < 6) + FATAL_ERROR("error: missing SRC_PATH,COMMON_SYM_PATH after \"-c\"\n"); + + common = true; + std::string paths = std::string(argv[5]); + std::size_t commaPos = paths.find(','); + + if (commaPos == std::string::npos) + FATAL_ERROR("error: missing comma in argument after \"-c\"\n"); + + sourcePath = paths.substr(0, commaPos); + commonSymPath = paths.substr(commaPos + 1); + } + + ConvertSymFile(symFileName, sectionName, lang, common, sourcePath, commonSymPath); + return 0; +} diff --git a/tools/ramscrgen/ramscrgen.h b/tools/ramscrgen/ramscrgen.h new file mode 100644 index 000000000..1aed1c05a --- /dev/null +++ b/tools/ramscrgen/ramscrgen.h @@ -0,0 +1,49 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef RAMSCRGEN_H +#define RAMSCRGEN_H + +#include +#include + +#ifdef _MSC_VER + +#define FATAL_ERROR(format, ...) \ +do \ +{ \ + std::fprintf(stderr, format, __VA_ARGS__); \ + std::exit(1); \ +} while (0) + +#else + +#define FATAL_ERROR(format, ...) \ +do \ +{ \ + std::fprintf(stderr, format, ##__VA_ARGS__); \ + std::exit(1); \ +} while (0) + +#endif // _MSC_VER + +const int kMaxPath = 256; + +#endif // RAMSCRGEN_H diff --git a/tools/ramscrgen/sym_file.cpp b/tools/ramscrgen/sym_file.cpp new file mode 100644 index 000000000..5379bd93f --- /dev/null +++ b/tools/ramscrgen/sym_file.cpp @@ -0,0 +1,492 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include "ramscrgen.h" +#include "sym_file.h" +#include "char_util.h" + +SymFile::SymFile(std::string filename) : m_filename(filename) +{ + FILE *fp = std::fopen(filename.c_str(), "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", filename.c_str()); + + std::fseek(fp, 0, SEEK_END); + + m_size = std::ftell(fp); + + if (m_size < 0) + FATAL_ERROR("File size of \"%s\" is less than zero.\n", filename.c_str()); + + m_buffer = new char[m_size + 1]; + + std::rewind(fp); + + if (std::fread(m_buffer, m_size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", filename.c_str()); + + m_buffer[m_size] = 0; + + std::fclose(fp); + + m_pos = 0; + m_lineNum = 1; + m_lineStart = 0; + m_inLangConditional = false; + + RemoveComments(); +} + +SymFile::SymFile(SymFile&& other) : m_filename(std::move(other.m_filename)) +{ + m_buffer = other.m_buffer; + m_pos = other.m_pos; + m_size = other.m_size; + m_lineNum = other.m_lineNum; + m_lineStart = other.m_lineStart; + + other.m_buffer = nullptr; +} + +SymFile::~SymFile() +{ + delete[] m_buffer; +} + +// Removes comments to simplify further processing. +// It stops upon encountering a null character, +// which may or may not be the end of file marker. +// If it's not, the error will be caught later. +void SymFile::RemoveComments() +{ + long pos = 0; + char stringChar = 0; + + for (;;) + { + if (m_buffer[pos] == 0) + return; + + if (stringChar != 0) + { + if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == stringChar) + { + pos += 2; + } + else + { + if (m_buffer[pos] == stringChar) + stringChar = 0; + pos++; + } + } + else if (m_buffer[pos] == '@' && (pos == 0 || m_buffer[pos - 1] != '\\')) + { + while (m_buffer[pos] != '\n' && m_buffer[pos] != 0) + m_buffer[pos++] = ' '; + } + else if (m_buffer[pos] == '/' && m_buffer[pos + 1] == '*') + { + m_buffer[pos++] = ' '; + m_buffer[pos++] = ' '; + + char commentStringChar = 0; + + for (;;) + { + if (m_buffer[pos] == 0) + return; + + if (commentStringChar != 0) + { + if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == commentStringChar) + { + m_buffer[pos++] = ' '; + m_buffer[pos++] = ' '; + } + else + { + if (m_buffer[pos] == commentStringChar) + commentStringChar = 0; + if (m_buffer[pos] != '\n') + m_buffer[pos] = ' '; + pos++; + } + } + else + { + if (m_buffer[pos] == '*' && m_buffer[pos + 1] == '/') + { + m_buffer[pos++] = ' '; + m_buffer[pos++] = ' '; + break; + } + else + { + if (m_buffer[pos] == '"' || m_buffer[pos] == '\'') + commentStringChar = m_buffer[pos]; + if (m_buffer[pos] != '\n') + m_buffer[pos] = ' '; + pos++; + } + } + } + } + else + { + if (m_buffer[pos] == '"' || m_buffer[pos] == '\'') + stringChar = m_buffer[pos]; + pos++; + } + } +} + +// Checks if we're at a particular directive and if so, consumes it. +// Returns whether the directive was found. +bool SymFile::CheckForDirective(std::string name) +{ + long i; + long length = static_cast(name.length()); + + for (i = 0; i < length && m_pos + i < m_size; i++) + if (name[i] != m_buffer[m_pos + i]) + return false; + + if (i < length) + return false; + + m_pos += length; + + return true; +} + +// Checks if we're at a known directive and if so, consumes it. +// Returns which directive was found. +Directive SymFile::GetDirective() +{ + SkipWhitespace(); + + if (CheckForDirective(".include")) + return Directive::Include; + else if (CheckForDirective(".space")) + return Directive::Space; + else if (CheckForDirective(".align")) + return Directive::Align; + else + return Directive::Unknown; +} + +// Checks if we're at label. +// Returns the name if so and an empty string if not. +std::string SymFile::GetLabel(bool requireColon) +{ + long start = m_pos; + long pos = m_pos; + + if (IsIdentifierStartingChar(m_buffer[pos])) + { + pos++; + + while (IsIdentifierChar(m_buffer[pos])) + pos++; + } + + if (requireColon) + { + if (m_buffer[pos] == ':') + { + if (pos != start) + m_pos = pos + 1; + } + else + { + pos = start; + } + } + else + { + m_pos = pos; + } + + return std::string(&m_buffer[start], pos - start); +} + +// Skips tabs and spaces. +void SymFile::SkipWhitespace() +{ + while (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ') + m_pos++; +} + +// Reads include path. +std::string SymFile::ReadPath() +{ + SkipWhitespace(); + + if (m_buffer[m_pos] != '"') + RaiseError("expected file path"); + + m_pos++; + + int length = 0; + long startPos = m_pos; + + while (m_buffer[m_pos] != '"') + { + unsigned char c = m_buffer[m_pos++]; + + if (c == 0) + { + if (m_pos >= m_size) + RaiseError("unexpected EOF in include string"); + else + RaiseError("unexpected null character in include string"); + } + + if (!IsAsciiPrintable(c)) + RaiseError("unexpected character '\\x%02X' in include string", c); + + // Don't bother allowing any escape sequences. + if (c == '\\') + { + c = m_buffer[m_pos]; + RaiseError("unexpected escape '\\%c' in include string", c); + } + + length++; + + if (length > kMaxPath) + RaiseError("path is too long"); + } + + m_pos++; // Go past the right quote. + + return std::string(&m_buffer[startPos], length); +} + +// If we're at a comma, consumes it. +// Returns whether a comma was found. +bool SymFile::ConsumeComma() +{ + if (m_buffer[m_pos] == ',') + { + m_pos++; + return true; + } + + return false; +} + +// Converts digit character to numerical value. +static int ConvertDigit(char c, int radix) +{ + int digit; + + if (c >= '0' && c <= '9') + digit = c - '0'; + else if (c >= 'A' && c <= 'F') + digit = 10 + c - 'A'; + else if (c >= 'a' && c <= 'f') + digit = 10 + c - 'a'; + else + return -1; + + return (digit < radix) ? digit : -1; +} + +// Reads an integer. +bool SymFile::ReadInteger(unsigned long& n) +{ + SkipWhitespace(); + + if (!IsAsciiDigit(m_buffer[m_pos])) + return false; + + int startPos = m_pos; + int radix = 10; + + if (m_buffer[m_pos] == '0' && m_buffer[m_pos + 1] == 'x') + { + radix = 16; + m_pos += 2; + } + + unsigned long cutoff = ULONG_MAX / radix; + unsigned long cutoffRemainder = ULONG_MAX % radix; + int digit; + + n = 0; + + while ((digit = ConvertDigit(m_buffer[m_pos], radix)) != -1) + { + if (n < cutoff || (n == cutoff && (unsigned long)digit <= cutoffRemainder)) + { + n = n * radix + digit; + } + else + { + m_pos++; + + while (ConvertDigit(m_buffer[m_pos], radix) != -1) + m_pos++; + + RaiseError("integer is too large (%s)", std::string(&m_buffer[startPos], m_pos - startPos).c_str()); + } + + m_pos++; + } + + return true; +} + +// Asserts that the rest of the line is empty and moves to the next one. +void SymFile::ExpectEmptyRestOfLine() +{ + SkipWhitespace(); + + if (m_buffer[m_pos] == 0) + { + if (m_pos >= m_size) + RaiseWarning("file doesn't end with newline"); + else + RaiseError("unexpected null character"); + } + else if (m_buffer[m_pos] == '\n') + { + m_pos++; + m_lineStart = m_pos; + m_lineNum++; + } + else if (m_buffer[m_pos] == '\r') + { + RaiseError("only Unix-style LF newlines are supported"); + } + else + { + RaiseError("junk at end of line"); + } +} + + +void SymFile::SkipLine() +{ + while (m_buffer[m_pos] != 0 && m_buffer[m_pos] != '\n') + m_pos++; + + if (m_buffer[m_pos] == '\n') + m_pos++; +} + +// Checks if we're at the end of the file. +bool SymFile::IsAtEnd() +{ + return (m_pos >= m_size); +} + +void SymFile::HandleLangConditional(std::string lang) +{ + if (m_buffer[m_pos] != '#') + return; + + m_pos++; + + if (CheckForDirective("begin")) + { + if (m_inLangConditional) + RaiseError("already inside language conditional"); + + SkipWhitespace(); + + std::string label = GetLabel(false); + + if (label.length() == 0) + RaiseError("no language name after #begin"); + + ExpectEmptyRestOfLine(); + + if (lang == label) + { + m_inLangConditional = true; + } + else + { + while (!IsAtEnd() && m_buffer[m_pos] != '#') + SkipLine(); + + if (m_buffer[m_pos] != '#') + RaiseError("unterminated language conditional"); + + m_pos++; + + if (!CheckForDirective("end")) + RaiseError("expected #end"); + + ExpectEmptyRestOfLine(); + } + } + else if (CheckForDirective("end")) + { + if (!m_inLangConditional) + RaiseError("not inside language conditional"); + + m_inLangConditional = false; + + ExpectEmptyRestOfLine(); + } + else + { + RaiseError("unknown # directive"); + } +} + +// Reports a diagnostic message. +void SymFile::ReportDiagnostic(const char* type, const char* format, std::va_list args) +{ + const int bufferSize = 1024; + char buffer[bufferSize]; + std::vsnprintf(buffer, bufferSize, format, args); + std::fprintf(stderr, "%s:%ld: %s: %s\n", m_filename.c_str(), m_lineNum, type, buffer); +} + +#define DO_REPORT(type) \ +do \ +{ \ + std::va_list args; \ + va_start(args, format); \ + ReportDiagnostic(type, format, args); \ + va_end(args); \ +} while (0) + +// Reports an error diagnostic and terminates the program. +void SymFile::RaiseError(const char* format, ...) +{ + DO_REPORT("error"); + std::exit(1); +} + +// Reports a warning diagnostic. +void SymFile::RaiseWarning(const char* format, ...) +{ + DO_REPORT("warning"); +} diff --git a/tools/ramscrgen/sym_file.h b/tools/ramscrgen/sym_file.h new file mode 100644 index 000000000..bb0c8038d --- /dev/null +++ b/tools/ramscrgen/sym_file.h @@ -0,0 +1,71 @@ +// Copyright(c) 2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef SYM_FILE_H +#define SYM_FILE_H + +#include +#include +#include +#include "ramscrgen.h" + +enum class Directive +{ + Include, + Space, + Align, + Unknown +}; + +class SymFile +{ +public: + SymFile(std::string filename); + SymFile(SymFile&& other); + SymFile(const SymFile&) = delete; + ~SymFile(); + Directive GetDirective(); + std::string GetLabel(bool requireColon = true); + std::string ReadPath(); + bool ReadInteger(unsigned long& value); + void ExpectEmptyRestOfLine(); + void SkipLine(); + bool IsAtEnd(); + void HandleLangConditional(std::string lang); + void RaiseError(const char* format, ...); + void RaiseWarning(const char* format, ...); + +private: + char* m_buffer; + long m_pos; + long m_size; + long m_lineNum; + long m_lineStart; + std::string m_filename; + bool m_inLangConditional; + + bool ConsumeComma(); + void RemoveComments(); + bool CheckForDirective(std::string name); + void SkipWhitespace(); + void ReportDiagnostic(const char* type, const char* format, std::va_list args); +}; + +#endif // SYM_FILE_H diff --git a/tools/rsfont/.gitignore b/tools/rsfont/.gitignore new file mode 100644 index 000000000..3140ececc --- /dev/null +++ b/tools/rsfont/.gitignore @@ -0,0 +1 @@ +rsfont diff --git a/tools/rsfont/LICENSE b/tools/rsfont/LICENSE new file mode 100644 index 000000000..b497950c1 --- /dev/null +++ b/tools/rsfont/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2015-2016 YamaArashi + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/tools/rsfont/Makefile b/tools/rsfont/Makefile new file mode 100644 index 000000000..a78beca50 --- /dev/null +++ b/tools/rsfont/Makefile @@ -0,0 +1,15 @@ +CC = gcc + +CFLAGS = -Wall -Wextra -Werror -std=c11 -O2 -s -DPNG_SKIP_SETJMP_CHECK + +LIBS = -lpng -lz + +SRCS = main.c convert_png.c util.c font.c + +.PHONY: clean + +rsfont: $(SRCS) convert_png.h gfx.h global.h util.h font.h + $(CC) $(CFLAGS) $(SRCS) -o $@ $(LDFLAGS) $(LIBS) + +clean: + $(RM) rsfont rsfont.exe diff --git a/tools/rsfont/convert_png.c b/tools/rsfont/convert_png.c new file mode 100644 index 000000000..f6a30804a --- /dev/null +++ b/tools/rsfont/convert_png.c @@ -0,0 +1,169 @@ +// Copyright (c) 2015 YamaArashi + +#include +#include +#include +#include "global.h" +#include "convert_png.h" +#include "gfx.h" + +void ReadPng(char *path, struct Image *image) +{ + FILE *fp = fopen(path, "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", path); + + unsigned char sig[8]; + + if (fread(sig, 8, 1, fp) != 1) + FATAL_ERROR("Failed to read PNG signature from \"%s\".\n", path); + + if (png_sig_cmp(sig, 0, 8)) + FATAL_ERROR("\"%s\" does not have a valid PNG signature.\n", path); + + png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); + + if (!png_ptr) + FATAL_ERROR("Failed to create PNG read struct.\n"); + + png_infop info_ptr = png_create_info_struct(png_ptr); + + if (!info_ptr) + FATAL_ERROR("Failed to create PNG info struct.\n"); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Failed to init I/O for reading \"%s\".\n", path); + + png_init_io(png_ptr, fp); + png_set_sig_bytes(png_ptr, 8); + png_read_info(png_ptr, info_ptr); + + int bit_depth = png_get_bit_depth(png_ptr, info_ptr); + + if (bit_depth != image->bitDepth) + FATAL_ERROR("\"%s\" has a bit depth of %d, but the expected bit depth is %d.\n", path, bit_depth, image->bitDepth); + + int color_type = png_get_color_type(png_ptr, info_ptr); + + if (color_type != PNG_COLOR_TYPE_GRAY && color_type != PNG_COLOR_TYPE_PALETTE) + FATAL_ERROR("\"%s\" has an unsupported color type.\n", path); + + // Check if the image has a palette so that we can tell if the colors need to be inverted later. + // Don't read the palette because it's not needed for now. + image->hasPalette = (color_type == PNG_COLOR_TYPE_PALETTE); + + image->width = png_get_image_width(png_ptr, info_ptr); + image->height = png_get_image_height(png_ptr, info_ptr); + + int rowbytes = png_get_rowbytes(png_ptr, info_ptr); + + image->pixels = malloc(image->height * rowbytes); + + if (image->pixels == NULL) + FATAL_ERROR("Failed to allocate pixel buffer.\n"); + + png_bytepp row_pointers = malloc(image->height * sizeof(png_bytep)); + + if (row_pointers == NULL) + FATAL_ERROR("Failed to allocate row pointers.\n"); + + for (int i = 0; i < image->height; i++) + row_pointers[i] = (png_bytep)(image->pixels + (i * rowbytes)); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Error reading from \"%s\".\n", path); + + png_read_image(png_ptr, row_pointers); + + png_destroy_read_struct(&png_ptr, &info_ptr, NULL); + + free(row_pointers); + fclose(fp); +} + +void SetPngPalette(png_structp png_ptr, png_infop info_ptr, struct Palette *palette) +{ + png_colorp colors = malloc(palette->numColors * sizeof(png_color)); + + if (colors == NULL) + FATAL_ERROR("Failed to allocate PNG palette.\n"); + + for (int i = 0; i < palette->numColors; i++) { + colors[i].red = palette->colors[i].red; + colors[i].green = palette->colors[i].green; + colors[i].blue = palette->colors[i].blue; + } + + png_set_PLTE(png_ptr, info_ptr, colors, palette->numColors); + + free(colors); +} + +void WritePng(char *path, struct Image *image) +{ + FILE *fp = fopen(path, "wb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for writing.\n", path); + + png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); + + if (!png_ptr) + FATAL_ERROR("Failed to create PNG write struct.\n"); + + png_infop info_ptr = png_create_info_struct(png_ptr); + + if (!info_ptr) + FATAL_ERROR("Failed to create PNG info struct.\n"); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Failed to init I/O for writing \"%s\".\n", path); + + png_init_io(png_ptr, fp); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Error writing header for \"%s\".\n", path); + + int color_type = image->hasPalette ? PNG_COLOR_TYPE_PALETTE : PNG_COLOR_TYPE_GRAY; + + png_set_IHDR(png_ptr, info_ptr, image->width, image->height, + image->bitDepth, color_type, PNG_INTERLACE_NONE, + PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); + + if (image->hasPalette) { + SetPngPalette(png_ptr, info_ptr, &image->palette); + + if (image->hasTransparency) { + png_byte trans = 0; + png_set_tRNS(png_ptr, info_ptr, &trans, 1, 0); + } + } + + png_write_info(png_ptr, info_ptr); + + png_bytepp row_pointers = malloc(image->height * sizeof(png_bytep)); + + if (row_pointers == NULL) + FATAL_ERROR("Failed to allocate row pointers.\n"); + + int rowbytes = png_get_rowbytes(png_ptr, info_ptr); + + for (int i = 0; i < image->height; i++) + row_pointers[i] = (png_bytep)(image->pixels + (i * rowbytes)); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Error writing \"%s\".\n", path); + + png_write_image(png_ptr, row_pointers); + + if (setjmp(png_jmpbuf(png_ptr))) + FATAL_ERROR("Error ending write of \"%s\".\n", path); + + png_write_end(png_ptr, NULL); + + fclose(fp); + + png_destroy_write_struct(&png_ptr, &info_ptr); + free(row_pointers); +} diff --git a/tools/rsfont/convert_png.h b/tools/rsfont/convert_png.h new file mode 100644 index 000000000..55d3d6942 --- /dev/null +++ b/tools/rsfont/convert_png.h @@ -0,0 +1,11 @@ +// Copyright (c) 2015 YamaArashi + +#ifndef CONVERT_PNG_H +#define CONVERT_PNG_H + +#include "gfx.h" + +void ReadPng(char *path, struct Image *image); +void WritePng(char *path, struct Image *image); + +#endif // CONVERT_PNG_H diff --git a/tools/rsfont/font.c b/tools/rsfont/font.c new file mode 100644 index 000000000..ed48b31e6 --- /dev/null +++ b/tools/rsfont/font.c @@ -0,0 +1,455 @@ +// Copyright(c) 2015-2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include +#include "global.h" +#include "font.h" +#include "gfx.h" +#include "util.h" + +unsigned char gFontPalette[][3] = +{ + {0xFF, 0xFF, 0xFF}, // bg (white) + {0x38, 0x38, 0x38}, // fg (dark grey) + {0xD8, 0xD8, 0xD8}, // shadow (light grey) +}; + +void ConvertFromTiles1Bpp(unsigned char *src, unsigned char *dest, int numGlyphs, int layout) +{ + for (int glyph = 0; glyph < numGlyphs; glyph++) + { + if (layout == 0) + { + for (int i = 0; i < 8; i++) + { + uint8_t srcRow = src[(glyph * 8) + i]; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 8) + i; + dest[(y * 128) + x] = (srcRow >> (7 - j)) & 1; + } + } + } + else + { + // layout type 1 + + int tile1Offset = glyph * 16; + int tile2Offset = tile1Offset + 8; + + for (int i = 0; i < 8; i++) + { + uint8_t srcRow = src[tile1Offset + i]; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 16) + i; + dest[(y * 128) + x] = (srcRow >> (7 - j)) & 1; + } + } + + for (int i = 0; i < 8; i++) + { + uint8_t srcRow = src[tile2Offset + i]; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 16) + 8 + i; + dest[(y * 128) + x] = (srcRow >> (7 - j)) & 1; + } + } + } + } +} + +void ConvertToTiles1Bpp(unsigned char *src, unsigned char *dest, int numGlyphs, int layout) +{ + for (int glyph = 0; glyph < numGlyphs; glyph++) + { + if (layout == 0) + { + for (int i = 0; i < 8; i++) + { + uint8_t destRow = 0; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 8) + i; + unsigned char color = src[(y * 128) + x]; + + if (color > 1) + FATAL_ERROR("More than 2 colors in 1 BPP font.\n"); + + destRow <<= 1; + destRow |= color; + } + + dest[(glyph * 8) + i] = destRow; + } + } + else + { + // layout type 1 + + int tile1Offset = glyph * 16; + int tile2Offset = tile1Offset + 8; + + for (int i = 0; i < 8; i++) + { + uint8_t destRow = 0; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 16) + i; + unsigned char color = src[(y * 128) + x]; + + if (color > 1) + FATAL_ERROR("More than 2 colors in 1 BPP font.\n"); + + destRow <<= 1; + destRow |= color; + } + + dest[tile1Offset + i] = destRow; + } + + for (int i = 0; i < 8; i++) + { + uint8_t destRow = 0; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 16) + 8 + i; + unsigned char color = src[(y * 128) + x]; + + if (color > 1) + FATAL_ERROR("More than 2 colors in 1 BPP font.\n"); + + destRow <<= 1; + destRow |= color; + } + + dest[tile2Offset + i] = destRow; + } + } + } +} + +void ConvertFromTiles4Bpp(unsigned char *src, unsigned char *dest, int numGlyphs, int layout) +{ + static unsigned char table[16] = + { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, + }; + + for (int glyph = 0; glyph < numGlyphs; glyph++) + { + if (layout == 0) + { + int offset = glyph * 32; + + for (int i = 0; i < 8; i++) + { + uint32_t srcRow = (src[offset + 3] << 24) + | (src[offset + 2] << 16) + | (src[offset + 1] << 8) + | src[offset]; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 8) + i; + dest[(y * 128) + x] = table[srcRow & 0xF]; + srcRow >>= 4; + } + + offset += 4; + } + } + else + { + int tile1Offset; + int tile2Offset; + + if (layout == 1) + { + tile1Offset = glyph * 64; + tile2Offset = tile1Offset + 32; + } + else + { + tile1Offset = ((glyph / 16) * 1024) + ((glyph % 16) * 32); + tile2Offset = tile1Offset + 512; + } + + for (int i = 0; i < 8; i++) + { + uint32_t srcRow = (src[tile1Offset + 3] << 24) + | (src[tile1Offset + 2] << 16) + | (src[tile1Offset + 1] << 8) + | src[tile1Offset]; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 16) + i; + dest[(y * 128) + x] = table[srcRow & 0xF]; + srcRow >>= 4; + } + + tile1Offset += 4; + } + + for (int i = 0; i < 8; i++) + { + uint32_t srcRow = (src[tile2Offset + 3] << 24) + | (src[tile2Offset + 2] << 16) + | (src[tile2Offset + 1] << 8) + | src[tile2Offset]; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 16) + 8 + i; + dest[(y * 128) + x] = table[srcRow & 0xF]; + srcRow >>= 4; + } + + tile2Offset += 4; + } + } + } +} + +void ConvertToTiles4Bpp(unsigned char *src, unsigned char *dest, int numGlyphs, int layout) +{ + static unsigned char table[3] = + { + 0, 15, 14, + }; + + for (int glyph = 0; glyph < numGlyphs; glyph++) + { + if (layout == 0) + { + int offset = glyph * 32; + + for (int i = 0; i < 8; i++) + { + uint32_t destRow = 0; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 8) + i; + unsigned char color = src[(y * 128) + x]; + + if (color > 2) + FATAL_ERROR("More than 3 colors in 4 BPP font.\n"); + + destRow >>= 4; + destRow |= (table[color] << 28); + } + + dest[offset] = destRow & 0xFF; + dest[offset + 1] = (destRow >> 8) & 0xFF; + dest[offset + 2] = (destRow >> 16) & 0xFF; + dest[offset + 3] = (destRow >> 24) & 0xFF; + + offset += 4; + } + } + else + { + int tile1Offset; + int tile2Offset; + + if (layout == 1) + { + tile1Offset = glyph * 64; + tile2Offset = tile1Offset + 32; + } + else + { + tile1Offset = ((glyph / 16) * 1024) + ((glyph % 16) * 32); + tile2Offset = tile1Offset + 512; + } + + for (int i = 0; i < 8; i++) + { + uint32_t destRow = 0; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 16) + i; + unsigned char color = src[(y * 128) + x]; + + if (color > 2) + FATAL_ERROR("More than 3 colors in 4 BPP font.\n"); + + destRow >>= 4; + destRow |= (table[color] << 28); + } + + dest[tile1Offset] = destRow & 0xFF; + dest[tile1Offset + 1] = (destRow >> 8) & 0xFF; + dest[tile1Offset + 2] = (destRow >> 16) & 0xFF; + dest[tile1Offset + 3] = (destRow >> 24) & 0xFF; + + tile1Offset += 4; + } + + for (int i = 0; i < 8; i++) + { + uint32_t destRow = 0; + + for (int j = 0; j < 8; j++) + { + int x = ((glyph % 16) * 8) + j; + int y = ((glyph / 16) * 16) + 8 + i; + unsigned char color = src[(y * 128) + x]; + + if (color > 2) + FATAL_ERROR("More than 3 colors in 4 BPP font.\n"); + + destRow >>= 4; + destRow |= (table[color] << 28); + } + + dest[tile2Offset] = destRow & 0xFF; + dest[tile2Offset + 1] = (destRow >> 8) & 0xFF; + dest[tile2Offset + 2] = (destRow >> 16) & 0xFF; + dest[tile2Offset + 3] = (destRow >> 24) & 0xFF; + + tile2Offset += 4; + } + } + } +} + +static void SetFontPalette(struct Image *image) +{ + image->hasPalette = true; + + image->palette.numColors = 3; + + for (int i = 0; i < image->palette.numColors; i++) + { + image->palette.colors[i].red = gFontPalette[i][0]; + image->palette.colors[i].green = gFontPalette[i][1]; + image->palette.colors[i].blue = gFontPalette[i][2]; + } + + image->hasTransparency = false; +} + +int CalcFileSize(int numGlyphs, int bpp, int layout) +{ + if (layout == 2) + { + // assume 4 BPP + int numFullRows = numGlyphs / 16; + int remainder = numGlyphs % 16; + int fullRowsSize = numFullRows * 1024; + int remainderSize = 0; + + if (remainder != 0) + remainderSize = 1024 - (16 - remainder) * 32; + + return fullRowsSize + remainderSize; + } + else + { + int tilesPerGlyph = layout > 0 ? 2 : 1; + int bytesPerTile = 8 * bpp; + return numGlyphs * tilesPerGlyph * bytesPerTile; + } +} + +void ReadFont(char *path, struct Image *image, int numGlyphs, int bpp, int layout) +{ + int fileSize; + unsigned char *buffer = ReadWholeFile(path, &fileSize); + + int expectedFileSize = CalcFileSize(numGlyphs, bpp, layout); + + if (fileSize != expectedFileSize) + FATAL_ERROR("The file size is %d but should be %d.\n", fileSize, expectedFileSize); + + int numRows = (numGlyphs + 15) / 16; + int rowHeight = layout > 0 ? 16 : 8; + + image->width = 128; + image->height = numRows * rowHeight; + image->bitDepth = 8; + image->pixels = calloc(image->width * image->height, 1); + + if (image->pixels == NULL) + FATAL_ERROR("Failed to allocate memory for font.\n"); + + if (bpp == 1) + ConvertFromTiles1Bpp(buffer, image->pixels, numGlyphs, layout); + else + ConvertFromTiles4Bpp(buffer, image->pixels, numGlyphs, layout); + + free(buffer); + + SetFontPalette(image); +} + +void WriteFont(char *path, struct Image *image, int numGlyphs, int bpp, int layout) +{ + if (image->width != 128) + FATAL_ERROR("The width of the font image (%d) is not 128.\n", image->width); + + int numRows = (numGlyphs + 15) / 16; + int rowHeight = layout > 0 ? 16 : 8; + int expectedHeight = numRows * rowHeight; + + if (image->height < expectedHeight) + FATAL_ERROR("The height of the font image (%d) is less than %d.\n", image->height, expectedHeight); + + int fileSize = CalcFileSize(numGlyphs, bpp, layout); + + unsigned char *buffer = calloc(fileSize, 1); + + if (buffer == NULL) + FATAL_ERROR("Failed to allocate memory for font.\n"); + + if (bpp == 1) + ConvertToTiles1Bpp(image->pixels, buffer, numGlyphs, layout); + else + ConvertToTiles4Bpp(image->pixels, buffer, numGlyphs, layout); + + WriteWholeFile(path, buffer, fileSize); + + free(buffer); +} diff --git a/tools/rsfont/font.h b/tools/rsfont/font.h new file mode 100644 index 000000000..1cd48757f --- /dev/null +++ b/tools/rsfont/font.h @@ -0,0 +1,30 @@ +// Copyright(c) 2015-2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef FONT_H +#define FONT_H + +#include +#include "gfx.h" + +void ReadFont(char *path, struct Image *image, int numGlyphs, int bpp, int layout); +void WriteFont(char *path, struct Image *image, int numGlyphs, int bpp, int layout); + +#endif // FONT_H diff --git a/tools/rsfont/gfx.h b/tools/rsfont/gfx.h new file mode 100644 index 000000000..04a3d80c7 --- /dev/null +++ b/tools/rsfont/gfx.h @@ -0,0 +1,50 @@ +// Copyright(c) 2015-2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef GFX_H +#define GFX_H + +#include +#include + +struct Color +{ + unsigned char red; + unsigned char green; + unsigned char blue; +}; + +struct Palette +{ + struct Color colors[256]; + int numColors; +}; + +struct Image { + int width; + int height; + int bitDepth; + unsigned char *pixels; + bool hasPalette; + struct Palette palette; + bool hasTransparency; +}; + +#endif // GFX_H diff --git a/tools/rsfont/global.h b/tools/rsfont/global.h new file mode 100644 index 000000000..65dd351d2 --- /dev/null +++ b/tools/rsfont/global.h @@ -0,0 +1,31 @@ +// Copyright (c) 2015 YamaArashi + +#ifndef GLOBAL_H +#define GLOBAL_H + +#include +#include + +#ifdef _MSC_VER + +#define FATAL_ERROR(format, ...) \ +do { \ + fprintf(stderr, format, __VA_ARGS__); \ + exit(1); \ +} while (0) + +#define UNUSED + +#else + +#define FATAL_ERROR(format, ...) \ +do { \ + fprintf(stderr, format, ##__VA_ARGS__); \ + exit(1); \ +} while (0) + +#define UNUSED __attribute__((__unused__)) + +#endif // _MSC_VER + +#endif // GLOBAL_H diff --git a/tools/rsfont/main.c b/tools/rsfont/main.c new file mode 100644 index 000000000..2f5d9d971 --- /dev/null +++ b/tools/rsfont/main.c @@ -0,0 +1,93 @@ +// Copyright(c) 2015-2016 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include "global.h" +#include "util.h" +#include "gfx.h" +#include "convert_png.h" +#include "font.h" + +int ExtensionToBpp(const char *extension) +{ + if (!strcmp(extension, "1bpp")) + return 1; + else if (!strcmp(extension, "4bpp")) + return 4; + return 0; +} + +int main(int argc, char **argv) +{ + if (argc < 5) + FATAL_ERROR("Usage: rsfont INPUT_FILE OUTPUT_FILE NUM_GLYPHS LAYOUT_TYPE\n"); + + char *inputPath = argv[1]; + char *outputPath = argv[2]; + char *inputFileExtension = GetFileExtension(inputPath); + char *outputFileExtension = GetFileExtension(outputPath); + + if (inputFileExtension == NULL) + FATAL_ERROR("Input file \"%s\" has no extension.\n", inputPath); + + if (outputFileExtension == NULL) + FATAL_ERROR("Output file \"%s\" has no extension.\n", outputPath); + + int numGlyphs; + int bpp; + int layout; + + if (!ParseNumber(argv[3], NULL, 10, &numGlyphs)) + FATAL_ERROR("Failed to parse number of glyphs.\n"); + + if (!ParseNumber(argv[4], NULL, 10, &layout)) + FATAL_ERROR("Failed to parse layout type.\n"); + + if (layout < 0 || layout > 2) + FATAL_ERROR("Layout type %d is invalid. Layout type must be 0, 1, or 2.\n", layout); + + bool toPng; + + if (!strcmp(inputFileExtension, "png") && (bpp = ExtensionToBpp(outputFileExtension)) != 0) + toPng = false; + else if ((bpp = ExtensionToBpp(inputFileExtension)) != 0 && !strcmp(outputFileExtension, "png")) + toPng = true; + else + FATAL_ERROR("Don't know how to convert \"%s\" to \"%s\".\n", inputPath, outputPath); + + if (bpp == 1 && layout == 2) + FATAL_ERROR("Layout type 2 is not supported with 1 BPP fonts.\n"); + + struct Image image; + + if (toPng) + { + ReadFont(inputPath, &image, numGlyphs, bpp, layout); + WritePng(outputPath, &image); + } + else + { + image.bitDepth = 8; + ReadPng(inputPath, &image); + WriteFont(outputPath, &image, numGlyphs, bpp, layout); + } +} diff --git a/tools/rsfont/util.c b/tools/rsfont/util.c new file mode 100644 index 000000000..87abeb31c --- /dev/null +++ b/tools/rsfont/util.c @@ -0,0 +1,124 @@ +// Copyright (c) 2015 YamaArashi + +#include +#include +#include +#include +#include +#include +#include "global.h" +#include "util.h" + +bool ParseNumber(char *s, char **end, int radix, int *intValue) +{ + char *localEnd; + + if (end == NULL) + end = &localEnd; + + errno = 0; + + const long longValue = strtol(s, end, radix); + + if (*end == s) + return false; // not a number + + if ((longValue == LONG_MIN || longValue == LONG_MAX) && errno == ERANGE) + return false; + + if (longValue > INT_MAX) + return false; + + if (longValue < INT_MIN) + return false; + + *intValue = (int)longValue; + + return true; +} + +char *GetFileExtension(char *path) +{ + char *extension = path; + + while (*extension != 0) + extension++; + + while (extension > path && *extension != '.') + extension--; + + if (extension == path) + return NULL; + + extension++; + + if (*extension == 0) + return NULL; + + return extension; +} + +unsigned char *ReadWholeFile(char *path, int *size) +{ + FILE *fp = fopen(path, "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", path); + + fseek(fp, 0, SEEK_END); + + *size = ftell(fp); + + unsigned char *buffer = malloc(*size); + + if (buffer == NULL) + FATAL_ERROR("Failed to allocate memory for reading \"%s\".\n", path); + + rewind(fp); + + if (fread(buffer, *size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", path); + + fclose(fp); + + return buffer; +} + +unsigned char *ReadWholeFileZeroPadded(char *path, int *size, int padAmount) +{ + FILE *fp = fopen(path, "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", path); + + fseek(fp, 0, SEEK_END); + + *size = ftell(fp); + + unsigned char *buffer = calloc(*size + padAmount, 1); + + if (buffer == NULL) + FATAL_ERROR("Failed to allocate memory for reading \"%s\".\n", path); + + rewind(fp); + + if (fread(buffer, *size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", path); + + fclose(fp); + + return buffer; +} + +void WriteWholeFile(char *path, void *buffer, int bufferSize) +{ + FILE *fp = fopen(path, "wb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for writing.\n", path); + + if (fwrite(buffer, bufferSize, 1, fp) != 1) + FATAL_ERROR("Failed to write to \"%s\".\n", path); + + fclose(fp); +} diff --git a/tools/rsfont/util.h b/tools/rsfont/util.h new file mode 100644 index 000000000..6d7a9c21e --- /dev/null +++ b/tools/rsfont/util.h @@ -0,0 +1,14 @@ +// Copyright (c) 2015 YamaArashi + +#ifndef UTIL_H +#define UTIL_H + +#include + +bool ParseNumber(char *s, char **end, int radix, int *intValue); +char *GetFileExtension(char *path); +unsigned char *ReadWholeFile(char *path, int *size); +unsigned char *ReadWholeFileZeroPadded(char *path, int *size, int padAmount); +void WriteWholeFile(char *path, void *buffer, int bufferSize); + +#endif // UTIL_H diff --git a/tools/scaninc/.gitignore b/tools/scaninc/.gitignore new file mode 100644 index 000000000..94bfbf989 --- /dev/null +++ b/tools/scaninc/.gitignore @@ -0,0 +1 @@ +scaninc diff --git a/tools/scaninc/LICENSE b/tools/scaninc/LICENSE new file mode 100644 index 000000000..b66bf81c0 --- /dev/null +++ b/tools/scaninc/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2015 YamaArashi + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/tools/scaninc/Makefile b/tools/scaninc/Makefile new file mode 100644 index 000000000..3e1c031a8 --- /dev/null +++ b/tools/scaninc/Makefile @@ -0,0 +1,15 @@ +CXX = g++ + +CXXFLAGS = -Wall -Werror -std=c++11 -O2 -s + +SRCS = scaninc.cpp c_file.cpp asm_file.cpp + +HEADERS := scaninc.h asm_file.h c_file.h + +.PHONY: clean + +scaninc: $(SRCS) $(HEADERS) + $(CXX) $(CXXFLAGS) $(SRCS) -o $@ $(LDFLAGS) + +clean: + $(RM) scaninc scaninc.exe diff --git a/tools/scaninc/asm_file.cpp b/tools/scaninc/asm_file.cpp new file mode 100644 index 000000000..6322749e2 --- /dev/null +++ b/tools/scaninc/asm_file.cpp @@ -0,0 +1,191 @@ +// Copyright(c) 2015-2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include "scaninc.h" +#include "asm_file.h" + +AsmFile::AsmFile(std::string path) +{ + m_path = path; + + FILE *fp = std::fopen(path.c_str(), "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", path.c_str()); + + std::fseek(fp, 0, SEEK_END); + + m_size = std::ftell(fp); + + m_buffer = new char[m_size]; + + std::rewind(fp); + + if (std::fread(m_buffer, m_size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", path.c_str()); + + std::fclose(fp); + + m_pos = 0; + m_lineNum = 1; +} + +AsmFile::~AsmFile() +{ + delete[] m_buffer; +} + +IncDirectiveType AsmFile::ReadUntilIncDirective(std::string &path) +{ + // At the beginning of each loop iteration, the current file position + // should be at the start of a line or at the end of the file. + for (;;) + { + SkipTabsAndSpaces(); + + IncDirectiveType incDirectiveType = IncDirectiveType::None; + + if (PeekChar() == '.') + { + m_pos++; + + if (MatchIncDirective("incbin", path)) + incDirectiveType = IncDirectiveType::Incbin; + else if (MatchIncDirective("include", path)) + incDirectiveType = IncDirectiveType::Include; + } + + for (;;) + { + int c = GetChar(); + + if (c == -1) + return incDirectiveType; + + if (c == ';') + { + SkipEndOfLineComment(); + break; + } + else if (c == '/' && PeekChar() == '*') + { + m_pos++; + SkipMultiLineComment(); + } + else if (c == '"') + { + SkipString(); + } + else if (c == '\n') + { + break; + } + } + + if (incDirectiveType != IncDirectiveType::None) + return incDirectiveType; + } +} + +std::string AsmFile::ReadPath() +{ + int length = 0; + int startPos = m_pos; + + for (;;) + { + int c = GetChar(); + + if (c == '"') + break; + + if (c == -1) + FATAL_INPUT_ERROR("unexpected EOF in include string\n"); + + if (c == 0) + FATAL_INPUT_ERROR("unexpected NUL character in include string\n"); + + if (c == '\n') + FATAL_INPUT_ERROR("unexpected end of line character in include string\n"); + + // Don't bother allowing any escape sequences. + if (c == '\\') + FATAL_INPUT_ERROR("unexpected escape in include string\n"); + + length++; + + if (length > SCANINC_MAX_PATH) + FATAL_INPUT_ERROR("path is too long"); + } + + return std::string(m_buffer + startPos, length); +} + +void AsmFile::SkipEndOfLineComment() +{ + int c; + + do + { + c = GetChar(); + } while (c != -1 && c != '\n'); +} + +void AsmFile::SkipMultiLineComment() +{ + for (;;) + { + int c = GetChar(); + + if (c == '*') + { + if (PeekChar() == '/') + { + m_pos++; + return; + } + } + else if (c == -1) + { + return; + } + } +} + +void AsmFile::SkipString() +{ + for (;;) + { + int c = GetChar(); + + if (c == '"') + break; + + if (c == -1) + FATAL_INPUT_ERROR("unexpected EOF in string\n"); + + if (c == '\\') + { + c = GetChar(); + } + } +} diff --git a/tools/scaninc/asm_file.h b/tools/scaninc/asm_file.h new file mode 100644 index 000000000..ad99b757e --- /dev/null +++ b/tools/scaninc/asm_file.h @@ -0,0 +1,119 @@ +// Copyright(c) 2015-2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef ASM_FILE_H +#define ASM_FILE_H + +#include +#include "scaninc.h" + +enum class IncDirectiveType +{ + None, + Include, + Incbin +}; + +class AsmFile +{ +public: + AsmFile(std::string path); + ~AsmFile(); + IncDirectiveType ReadUntilIncDirective(std::string& path); + +private: + char *m_buffer; + int m_pos; + int m_size; + int m_lineNum; + std::string m_path; + + int GetChar() + { + if (m_pos >= m_size) + return -1; + + int c = m_buffer[m_pos++]; + + if (c == '\r') + { + if (m_pos < m_size && m_buffer[m_pos++] == '\n') + { + m_lineNum++; + return '\n'; + } + else + { + FATAL_INPUT_ERROR("CR line endings are not supported\n"); + } + } + + if (c == '\n') + m_lineNum++; + + return c; + } + + // No newline translation because it's not needed for any use of this function. + int PeekChar() + { + if (m_pos >= m_size) + return -1; + + return m_buffer[m_pos]; + } + + void SkipTabsAndSpaces() + { + while (m_pos < m_size && (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ')) + m_pos++; + } + + bool MatchIncDirective(std::string directiveName, std::string& path) + { + int length = directiveName.length(); + int i; + + for (i = 0; i < length && m_pos + i < m_size; i++) + if (directiveName[i] != m_buffer[m_pos + i]) + return false; + + if (i < length) + return false; + + m_pos += length; + + SkipTabsAndSpaces(); + + if (GetChar() != '"') + FATAL_INPUT_ERROR("no path after \".%s\" directive\n", directiveName.c_str()); + + path = ReadPath(); + + return true; + } + + std::string ReadPath(); + void SkipEndOfLineComment(); + void SkipMultiLineComment(); + void SkipString(); +}; + +#endif // ASM_FILE_H diff --git a/tools/scaninc/c_file.cpp b/tools/scaninc/c_file.cpp new file mode 100644 index 000000000..f7acc833f --- /dev/null +++ b/tools/scaninc/c_file.cpp @@ -0,0 +1,298 @@ +// Copyright(c) 2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include "c_file.h" + +CFile::CFile(std::string path) +{ + m_path = path; + + FILE *fp = std::fopen(path.c_str(), "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", path.c_str()); + + std::fseek(fp, 0, SEEK_END); + + m_size = std::ftell(fp); + + m_buffer = new char[m_size + 1]; + m_buffer[m_size] = 0; + + std::rewind(fp); + + if (std::fread(m_buffer, m_size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", path.c_str()); + + std::fclose(fp); + + m_pos = 0; + m_lineNum = 1; +} + +CFile::~CFile() +{ + delete[] m_buffer; +} + +void CFile::FindIncbins() +{ + char stringChar = 0; + + while (m_pos < m_size) + { + if (stringChar) + { + if (m_buffer[m_pos] == stringChar) + { + m_pos++; + stringChar = 0; + } + else if (m_buffer[m_pos] == '\\' && m_buffer[m_pos + 1] == stringChar) + { + m_pos += 2; + } + else + { + if (m_buffer[m_pos] == '\n') + m_lineNum++; + m_pos++; + } + } + else + { + SkipWhitespace(); + CheckInclude(); + CheckIncbin(); + + if (m_pos >= m_size) + break; + + char c = m_buffer[m_pos++]; + + if (c == '\n') + m_lineNum++; + else if (c == '"') + stringChar = '"'; + else if (c == '\'') + stringChar = '\''; + else if (c == 0) + FATAL_INPUT_ERROR("unexpected null character"); + } + } +} + +bool CFile::ConsumeHorizontalWhitespace() +{ + if (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ') + { + m_pos++; + return true; + } + + return false; +} + +bool CFile::ConsumeNewline() +{ + if (m_buffer[m_pos] == '\n') + { + m_pos++; + m_lineNum++; + return true; + } + + if (m_buffer[m_pos] == '\r' && m_buffer[m_pos + 1] == '\n') + { + m_pos += 2; + m_lineNum++; + return true; + } + + return false; +} + +bool CFile::ConsumeComment() +{ + if (m_buffer[m_pos] == '/' && m_buffer[m_pos + 1] == '*') + { + m_pos += 2; + while (m_buffer[m_pos] != '*' && m_buffer[m_pos + 1] != '/') + { + if (m_buffer[m_pos] == 0) + return false; + if (!ConsumeNewline()) + m_pos++; + } + m_pos += 2; + return true; + } + else if (m_buffer[m_pos] == '/' && m_buffer[m_pos + 1] == '/') + { + m_pos += 2; + while (!ConsumeNewline()) + { + if (m_buffer[m_pos] == 0) + return false; + m_pos++; + } + return true; + } + + return false; +} + +void CFile::SkipWhitespace() +{ + while (ConsumeHorizontalWhitespace() || ConsumeNewline() || ConsumeComment()) + ; +} + +bool CFile::CheckIdentifier(const std::string& ident) +{ + unsigned int i; + + for (i = 0; i < ident.length() && m_pos + i < (unsigned)m_size; i++) + if (ident[i] != m_buffer[m_pos + i]) + return false; + + return (i == ident.length()); +} + +void CFile::CheckInclude() +{ + if (m_buffer[m_pos] != '#') + return; + + std::string ident = "#include"; + + if (!CheckIdentifier(ident)) + { + return; + } + + m_pos += ident.length(); + + ConsumeHorizontalWhitespace(); + + std::string path = ReadPath(); + + if (!path.empty()) { + m_includes.emplace(path); + } +} + +void CFile::CheckIncbin() +{ + // Optimization: assume most lines are not incbins + if (!(m_buffer[m_pos+0] == 'I' + && m_buffer[m_pos+1] == 'N' + && m_buffer[m_pos+2] == 'C' + && m_buffer[m_pos+3] == 'B' + && m_buffer[m_pos+4] == 'I' + && m_buffer[m_pos+5] == 'N' + && m_buffer[m_pos+6] == '_')) + { + return; + } + + std::string idents[6] = { "INCBIN_S8", "INCBIN_U8", "INCBIN_S16", "INCBIN_U16", "INCBIN_S32", "INCBIN_U32" }; + int incbinType = -1; + + for (int i = 0; i < 6; i++) + { + if (CheckIdentifier(idents[i])) + { + incbinType = i; + break; + } + } + + if (incbinType == -1) + return; + + long oldPos = m_pos; + long oldLineNum = m_lineNum; + + m_pos += idents[incbinType].length(); + + SkipWhitespace(); + + if (m_buffer[m_pos] != '(') + { + m_pos = oldPos; + m_lineNum = oldLineNum; + return; + } + + m_pos++; + + SkipWhitespace(); + + std::string path = ReadPath(); + + SkipWhitespace(); + + if (m_buffer[m_pos] != ')') + FATAL_INPUT_ERROR("expected ')'"); + + m_pos++; + + m_incbins.emplace(path); +} + +std::string CFile::ReadPath() +{ + if (m_buffer[m_pos] != '"') + { + if (m_buffer[m_pos] == '<') + { + return std::string(); + } + FATAL_INPUT_ERROR("expected '\"' or '<'"); + } + + m_pos++; + + int startPos = m_pos; + + while (m_buffer[m_pos] != '"') + { + if (m_buffer[m_pos] == 0) + { + if (m_pos >= m_size) + FATAL_INPUT_ERROR("unexpected EOF in path string"); + else + FATAL_INPUT_ERROR("unexpected null character in path string"); + } + + if (m_buffer[m_pos] == '\r' || m_buffer[m_pos] == '\n') + FATAL_INPUT_ERROR("unexpected end of line character in path string"); + + if (m_buffer[m_pos] == '\\') + FATAL_INPUT_ERROR("unexpected escape in path string"); + + m_pos++; + } + + m_pos++; + + return std::string(m_buffer + startPos, m_pos - 1 - startPos); +} diff --git a/tools/scaninc/c_file.h b/tools/scaninc/c_file.h new file mode 100644 index 000000000..618901b85 --- /dev/null +++ b/tools/scaninc/c_file.h @@ -0,0 +1,57 @@ +// Copyright(c) 2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef C_FILE_H +#define C_FILE_H + +#include +#include +#include +#include "scaninc.h" + +class CFile +{ +public: + CFile(std::string path); + ~CFile(); + void FindIncbins(); + const std::set& GetIncbins() { return m_incbins; } + const std::set& GetIncludes() { return m_includes; } + +private: + char *m_buffer; + int m_pos; + int m_size; + int m_lineNum; + std::string m_path; + std::set m_incbins; + std::set m_includes; + + bool ConsumeHorizontalWhitespace(); + bool ConsumeNewline(); + bool ConsumeComment(); + void SkipWhitespace(); + bool CheckIdentifier(const std::string& ident); + void CheckInclude(); + void CheckIncbin(); + std::string ReadPath(); +}; + +#endif // C_FILE_H diff --git a/tools/scaninc/scaninc.cpp b/tools/scaninc/scaninc.cpp new file mode 100644 index 000000000..3dc221479 --- /dev/null +++ b/tools/scaninc/scaninc.cpp @@ -0,0 +1,165 @@ +// Copyright(c) 2015-2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include +#include +#include +#include +#include +#include +#include "scaninc.h" +#include "asm_file.h" +#include "c_file.h" + +bool CanOpenFile(std::string path) +{ + FILE *fp = std::fopen(path.c_str(), "rb"); + + if (fp == NULL) + return false; + + std::fclose(fp); + return true; +} + +const char *const USAGE = "Usage: scaninc [-I INCLUDE_PATH] FILE_PATH\n"; + +int main(int argc, char **argv) +{ + std::queue filesToProcess; + std::set dependencies; + + std::list includeDirs; + + argc--; + argv++; + + while (argc > 1) + { + std::string arg(argv[0]); + if (arg.substr(0, 2) == "-I") + { + std::string includeDir = arg.substr(2); + if (includeDir.empty()) + { + argc--; + argv++; + includeDir = std::string(argv[0]); + } + if (includeDir.back() != '/') + { + includeDir += '/'; + } + includeDirs.push_back(includeDir); + } + else + { + FATAL_ERROR(USAGE); + } + argc--; + argv++; + } + + if (argc != 1) { + FATAL_ERROR(USAGE); + } + + std::string initialPath(argv[0]); + + std::size_t pos = initialPath.find_last_of('.'); + + if (pos == std::string::npos) + FATAL_ERROR("no file extension in path \"%s\"\n", initialPath.c_str()); + + std::string extension = initialPath.substr(pos + 1); + + std::string srcDir(""); + std::size_t slash = initialPath.rfind('/'); + if (slash != std::string::npos) + { + srcDir = initialPath.substr(0, slash + 1); + } + includeDirs.push_back(srcDir); + + if (extension == "c" || extension == "h") + { + filesToProcess.push(initialPath); + + while (!filesToProcess.empty()) + { + CFile file(filesToProcess.front()); + filesToProcess.pop(); + + file.FindIncbins(); + for (auto incbin : file.GetIncbins()) + { + dependencies.insert(incbin); + } + for (auto include : file.GetIncludes()) + { + for (auto includeDir : includeDirs) + { + std::string path(includeDir + include); + if (CanOpenFile(path)) + { + bool inserted = dependencies.insert(path).second; + if (inserted) + { + filesToProcess.push(path); + } + break; + } + } + } + } + } + else if (extension == "s" || extension == "inc") + { + filesToProcess.push(initialPath); + + while (!filesToProcess.empty()) + { + AsmFile file(filesToProcess.front()); + + filesToProcess.pop(); + + IncDirectiveType incDirectiveType; + std::string path; + + while ((incDirectiveType = file.ReadUntilIncDirective(path)) != IncDirectiveType::None) + { + bool inserted = dependencies.insert(path).second; + if (inserted + && incDirectiveType == IncDirectiveType::Include + && CanOpenFile(path)) + filesToProcess.push(path); + } + } + } + else + { + FATAL_ERROR("unknown extension \"%s\"\n", extension.c_str()); + } + + for (const std::string &path : dependencies) + { + std::printf("%s\n", path.c_str()); + } +} diff --git a/tools/scaninc/scaninc.h b/tools/scaninc/scaninc.h new file mode 100644 index 000000000..30cc9611c --- /dev/null +++ b/tools/scaninc/scaninc.h @@ -0,0 +1,59 @@ +// Copyright(c) 2015-2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef SCANINC_H +#define SCANINC_H + +#include +#include + +#ifdef _MSC_VER + +#define FATAL_INPUT_ERROR(format, ...) \ +do { \ + fprintf(stderr, "%s:%d " format, m_path.c_str(), m_lineNum, __VA_ARGS__); \ + exit(1); \ +} while (0) + +#define FATAL_ERROR(format, ...) \ +do { \ + fprintf(stderr, format, __VA_ARGS__); \ + exit(1); \ +} while (0) + +#else + +#define FATAL_INPUT_ERROR(format, ...) \ +do { \ + fprintf(stderr, "%s:%d " format, m_path.c_str(), m_lineNum, ##__VA_ARGS__); \ + exit(1); \ +} while (0) + +#define FATAL_ERROR(format, ...) \ +do { \ + fprintf(stderr, format, ##__VA_ARGS__); \ + exit(1); \ +} while (0) + +#endif // _MSC_VER + +#define SCANINC_MAX_PATH 255 + +#endif // SCANINC_H