#include "global.h" #include "util.h" #include "sprite.h" #include "palette.h" const u32 gBitTable[] = { 1 << 0, 1 << 1, 1 << 2, 1 << 3, 1 << 4, 1 << 5, 1 << 6, 1 << 7, 1 << 8, 1 << 9, 1 << 10, 1 << 11, 1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 21, 1 << 22, 1 << 23, 1 << 24, 1 << 25, 1 << 26, 1 << 27, 1 << 28, 1 << 29, 1 << 30, 1 << 31, }; static const struct SpriteTemplate sInvisibleSpriteTemplate = { .tileTag = 0, .paletteTag = 0, .oam = &gDummyOamData, .anims = gDummySpriteAnimTable, .images = NULL, .affineAnims = gDummySpriteAffineAnimTable, .callback = SpriteCallbackDummy, }; static const u8 sSpriteDimensions[3][4][2] = { // square { {1, 1}, {2, 2}, {4, 4}, {8, 8}, }, // horizontal rectangle { {2, 1}, {4, 1}, {4, 2}, {8, 4}, }, // vertical rectangle { {1, 2}, {1, 4}, {2, 4}, {4, 8}, }, }; static const u16 sCrc16Table[] = { 0x0000, 0x1189, 0x2312, 0x329B, 0x4624, 0x57AD, 0x6536, 0x74BF, 0x8C48, 0x9DC1, 0xAF5A, 0xBED3, 0xCA6C, 0xDBE5, 0xE97E, 0xF8F7, 0x1081, 0x0108, 0x3393, 0x221A, 0x56A5, 0x472C, 0x75B7, 0x643E, 0x9CC9, 0x8D40, 0xBFDB, 0xAE52, 0xDAED, 0xCB64, 0xF9FF, 0xE876, 0x2102, 0x308B, 0x0210, 0x1399, 0x6726, 0x76AF, 0x4434, 0x55BD, 0xAD4A, 0xBCC3, 0x8E58, 0x9FD1, 0xEB6E, 0xFAE7, 0xC87C, 0xD9F5, 0x3183, 0x200A, 0x1291, 0x0318, 0x77A7, 0x662E, 0x54B5, 0x453C, 0xBDCB, 0xAC42, 0x9ED9, 0x8F50, 0xFBEF, 0xEA66, 0xD8FD, 0xC974, 0x4204, 0x538D, 0x6116, 0x709F, 0x0420, 0x15A9, 0x2732, 0x36BB, 0xCE4C, 0xDFC5, 0xED5E, 0xFCD7, 0x8868, 0x99E1, 0xAB7A, 0xBAF3, 0x5285, 0x430C, 0x7197, 0x601E, 0x14A1, 0x0528, 0x37B3, 0x263A, 0xDECD, 0xCF44, 0xFDDF, 0xEC56, 0x98E9, 0x8960, 0xBBFB, 0xAA72, 0x6306, 0x728F, 0x4014, 0x519D, 0x2522, 0x34AB, 0x0630, 0x17B9, 0xEF4E, 0xFEC7, 0xCC5C, 0xDDD5, 0xA96A, 0xB8E3, 0x8A78, 0x9BF1, 0x7387, 0x620E, 0x5095, 0x411C, 0x35A3, 0x242A, 0x16B1, 0x0738, 0xFFCF, 0xEE46, 0xDCDD, 0xCD54, 0xB9EB, 0xA862, 0x9AF9, 0x8B70, 0x8408, 0x9581, 0xA71A, 0xB693, 0xC22C, 0xD3A5, 0xE13E, 0xF0B7, 0x0840, 0x19C9, 0x2B52, 0x3ADB, 0x4E64, 0x5FED, 0x6D76, 0x7CFF, 0x9489, 0x8500, 0xB79B, 0xA612, 0xD2AD, 0xC324, 0xF1BF, 0xE036, 0x18C1, 0x0948, 0x3BD3, 0x2A5A, 0x5EE5, 0x4F6C, 0x7DF7, 0x6C7E, 0xA50A, 0xB483, 0x8618, 0x9791, 0xE32E, 0xF2A7, 0xC03C, 0xD1B5, 0x2942, 0x38CB, 0x0A50, 0x1BD9, 0x6F66, 0x7EEF, 0x4C74, 0x5DFD, 0xB58B, 0xA402, 0x9699, 0x8710, 0xF3AF, 0xE226, 0xD0BD, 0xC134, 0x39C3, 0x284A, 0x1AD1, 0x0B58, 0x7FE7, 0x6E6E, 0x5CF5, 0x4D7C, 0xC60C, 0xD785, 0xE51E, 0xF497, 0x8028, 0x91A1, 0xA33A, 0xB2B3, 0x4A44, 0x5BCD, 0x6956, 0x78DF, 0x0C60, 0x1DE9, 0x2F72, 0x3EFB, 0xD68D, 0xC704, 0xF59F, 0xE416, 0x90A9, 0x8120, 0xB3BB, 0xA232, 0x5AC5, 0x4B4C, 0x79D7, 0x685E, 0x1CE1, 0x0D68, 0x3FF3, 0x2E7A, 0xE70E, 0xF687, 0xC41C, 0xD595, 0xA12A, 0xB0A3, 0x8238, 0x93B1, 0x6B46, 0x7ACF, 0x4854, 0x59DD, 0x2D62, 0x3CEB, 0x0E70, 0x1FF9, 0xF78F, 0xE606, 0xD49D, 0xC514, 0xB1AB, 0xA022, 0x92B9, 0x8330, 0x7BC7, 0x6A4E, 0x58D5, 0x495C, 0x3DE3, 0x2C6A, 0x1EF1, 0x0F78, }; const u8 gMiscBlank_Gfx[] = INCBIN_U8("graphics/interface/blank.4bpp"); u8 CreateInvisibleSpriteWithCallback(void (*callback)(struct Sprite *)) { u8 sprite = CreateSprite(&sInvisibleSpriteTemplate, 248, 168, 14); gSprites[sprite].invisible = TRUE; gSprites[sprite].callback = callback; return sprite; } void StoreWordInTwoHalfwords(u16 *h, u32 w) { h[0] = (u16)(w); h[1] = (u16)(w >> 16); } void LoadWordFromTwoHalfwords(u16 *h, u32 *w) { *w = h[0] | (s16)h[1] << 16; } void SetBgAffineStruct(struct BgAffineSrcData *src, u32 texX, u32 texY, s16 scrX, s16 scrY, s16 sx, s16 sy, u16 alpha) { src->texX = texX; src->texY = texY; src->scrX = scrX; src->scrY = scrY; src->sx = sx; src->sy = sy; src->alpha = alpha; } void DoBgAffineSet(struct BgAffineDstData *dest, u32 texX, u32 texY, s16 scrX, s16 scrY, s16 sx, s16 sy, u16 alpha) { struct BgAffineSrcData src; SetBgAffineStruct(&src, texX, texY, scrX, scrY, sx, sy, alpha); BgAffineSet(&src, dest, 1); } void CopySpriteTiles(u8 shape, u8 size, u8 *tiles, u16 *tilemap, u8 *output) { u8 x, y; s8 i, j; u8 xflip[32]; u8 h = sSpriteDimensions[shape][size][1]; u8 w = sSpriteDimensions[shape][size][0]; for (y = 0; y < h; y++) { for (x = 0; x < w; x++) { int tile = (*tilemap & 0x3ff) * 32; if ((*tilemap & 0xc00) == 0) { CpuCopy32(tiles + tile, output, 32); } else if ((*tilemap & 0xc00) == 0x800) // yflip { for (i = 0; i < 8; i++) CpuCopy32(tiles + (tile + (7 - i) * 4), output + i * 4, 4); } else // xflip { for (i = 0; i < 8; i++) { for (j = 0; j < 4; j++) { u8 i2 = i * 4; xflip[i2 + (3-j)] = (tiles[tile + i2 + j] & 0xf) << 4; xflip[i2 + (3-j)] |= tiles[tile + i2 + j] >> 4; } } if (*tilemap & 0x800) // yflip { for (i = 0; i < 8; i++) CpuCopy32(xflip + (7 - i) * 4, output + i * 4, 4); } else { CpuCopy32(xflip, output, 32); } } tilemap++; output += 32; } tilemap += (32 - w); } } int CountTrailingZeroBits(u32 value) { u8 i; for (i = 0; i < 32; i++) { if ((value & 1) == 0) value >>= 1; else return i; } return 0; } u16 CalcCRC16(u8 *data, s32 length) { u16 i, j; u16 crc = 0x1121; for (i = 0; i < length; i++) { crc ^= data[i]; for (j = 0; j < 8; j++) { if (crc & 1) crc = (crc >> 1) ^ 0x8408; else crc >>= 1; } } return ~crc; } u16 CalcCRC16WithTable(u8 *data, u32 length) { u16 i; u16 crc = 0x1121; u8 byte; for (i = 0; i < length; i++) { byte = crc >> 8; crc ^= data[i]; crc = byte ^ sCrc16Table[(u8)crc]; } return ~crc; } u32 CalcByteArraySum(const u8* data, u32 length) { u32 sum, i; for (sum = 0, i = 0; i < length; i++) sum += data[i]; return sum; } void BlendPalette(u16 palOffset, u16 numEntries, u8 coeff, u16 blendColor) { u16 i; for (i = 0; i < numEntries; i++) { u16 index = i + palOffset; struct PlttData *data1 = (struct PlttData *)&gPlttBufferUnfaded[index]; s8 r = data1->r; s8 g = data1->g; s8 b = data1->b; struct PlttData *data2 = (struct PlttData *)&blendColor; gPlttBufferFaded[index] = ((r + (((data2->r - r) * coeff) >> 4)) << 0) | ((g + (((data2->g - g) * coeff) >> 4)) << 5) | ((b + (((data2->b - b) * coeff) >> 4)) << 10); } }