pokeemerald/gflib/string_util.c
2022-11-23 21:13:00 -05:00

782 lines
16 KiB
C

#include "global.h"
#include "string_util.h"
#include "text.h"
#include "strings.h"
EWRAM_DATA u8 gStringVar1[0x100] = {0};
EWRAM_DATA u8 gStringVar2[0x100] = {0};
EWRAM_DATA u8 gStringVar3[0x100] = {0};
EWRAM_DATA u8 gStringVar4[0x3E8] = {0};
EWRAM_DATA static u8 sUnknownStringVar[16] = {0};
static const u8 sDigits[] = __("0123456789ABCDEF");
static const s32 sPowersOfTen[] =
{
1,
10,
100,
1000,
10000,
100000,
1000000,
10000000,
100000000,
1000000000,
};
u8 *StringCopy_Nickname(u8 *dest, const u8 *src)
{
u8 i;
u32 limit = POKEMON_NAME_LENGTH;
for (i = 0; i < limit; i++)
{
dest[i] = src[i];
if (dest[i] == EOS)
return &dest[i];
}
dest[i] = EOS;
return &dest[i];
}
u8 *StringGet_Nickname(u8 *str)
{
u8 i;
u32 limit = POKEMON_NAME_LENGTH;
for (i = 0; i < limit; i++)
if (str[i] == EOS)
return &str[i];
str[i] = EOS;
return &str[i];
}
u8 *StringCopy_PlayerName(u8 *dest, const u8 *src)
{
s32 i;
s32 limit = PLAYER_NAME_LENGTH;
for (i = 0; i < limit; i++)
{
dest[i] = src[i];
if (dest[i] == EOS)
return &dest[i];
}
dest[i] = EOS;
return &dest[i];
}
u8 *StringCopy(u8 *dest, const u8 *src)
{
while (*src != EOS)
{
*dest = *src;
dest++;
src++;
}
*dest = EOS;
return dest;
}
u8 *StringAppend(u8 *dest, const u8 *src)
{
while (*dest != EOS)
dest++;
return StringCopy(dest, src);
}
u8 *StringCopyN(u8 *dest, const u8 *src, u8 n)
{
u16 i;
for (i = 0; i < n; i++)
dest[i] = src[i];
return &dest[n];
}
u8 *StringAppendN(u8 *dest, const u8 *src, u8 n)
{
while (*dest != EOS)
dest++;
return StringCopyN(dest, src, n);
}
u16 StringLength(const u8 *str)
{
u16 length = 0;
while (str[length] != EOS)
length++;
return length;
}
s32 StringCompare(const u8 *str1, const u8 *str2)
{
while (*str1 == *str2)
{
if (*str1 == EOS)
return 0;
str1++;
str2++;
}
return *str1 - *str2;
}
s32 StringCompareN(const u8 *str1, const u8 *str2, u32 n)
{
while (*str1 == *str2)
{
if (*str1 == EOS)
return 0;
str1++;
str2++;
if (--n == 0)
return 0;
}
return *str1 - *str2;
}
bool8 IsStringLengthAtLeast(const u8 *str, s32 n)
{
u8 i;
for (i = 0; i < n; i++)
if (str[i] && str[i] != EOS)
return TRUE;
return FALSE;
}
u8 *ConvertIntToDecimalStringN(u8 *dest, s32 value, enum StringConvertMode mode, u8 n)
{
enum { WAITING_FOR_NONZERO_DIGIT, WRITING_DIGITS, WRITING_SPACES } state;
s32 powerOfTen;
s32 largestPowerOfTen = sPowersOfTen[n - 1];
state = WAITING_FOR_NONZERO_DIGIT;
if (mode == STR_CONV_MODE_RIGHT_ALIGN)
state = WRITING_SPACES;
if (mode == STR_CONV_MODE_LEADING_ZEROS)
state = WRITING_DIGITS;
for (powerOfTen = largestPowerOfTen; powerOfTen > 0; powerOfTen /= 10)
{
u8 c;
u16 digit = value / powerOfTen;
s32 temp = value - (powerOfTen * digit);
if (state == WRITING_DIGITS)
{
u8 *out = dest++;
if (digit <= 9)
c = sDigits[digit];
else
c = CHAR_QUESTION_MARK;
*out = c;
}
else if (digit != 0 || powerOfTen == 1)
{
u8 *out;
state = WRITING_DIGITS;
out = dest++;
if (digit <= 9)
c = sDigits[digit];
else
c = CHAR_QUESTION_MARK;
*out = c;
}
else if (state == WRITING_SPACES)
{
*dest++ = CHAR_SPACER;
}
value = temp;
}
*dest = EOS;
return dest;
}
u8 *ConvertUIntToDecimalStringN(u8 *dest, u32 value, enum StringConvertMode mode, u8 n)
{
enum { WAITING_FOR_NONZERO_DIGIT, WRITING_DIGITS, WRITING_SPACES } state;
s32 powerOfTen;
s32 largestPowerOfTen = sPowersOfTen[n - 1];
state = WAITING_FOR_NONZERO_DIGIT;
if (mode == STR_CONV_MODE_RIGHT_ALIGN)
state = WRITING_SPACES;
if (mode == STR_CONV_MODE_LEADING_ZEROS)
state = WRITING_DIGITS;
for (powerOfTen = largestPowerOfTen; powerOfTen > 0; powerOfTen /= 10)
{
u8 c;
u16 digit = value / powerOfTen;
u32 temp = value - (powerOfTen * digit);
if (state == WRITING_DIGITS)
{
u8 *out = dest++;
if (digit <= 9)
c = sDigits[digit];
else
c = CHAR_QUESTION_MARK;
*out = c;
}
else if (digit != 0 || powerOfTen == 1)
{
u8 *out;
state = WRITING_DIGITS;
out = dest++;
if (digit <= 9)
c = sDigits[digit];
else
c = CHAR_QUESTION_MARK;
*out = c;
}
else if (state == WRITING_SPACES)
{
*dest++ = CHAR_SPACER;
}
value = temp;
}
*dest = EOS;
return dest;
}
u8 *ConvertIntToHexStringN(u8 *dest, s32 value, enum StringConvertMode mode, u8 n)
{
enum { WAITING_FOR_NONZERO_DIGIT, WRITING_DIGITS, WRITING_SPACES } state;
u8 i;
s32 powerOfSixteen;
s32 largestPowerOfSixteen = 1;
for (i = 1; i < n; i++)
largestPowerOfSixteen *= 16;
state = WAITING_FOR_NONZERO_DIGIT;
if (mode == STR_CONV_MODE_RIGHT_ALIGN)
state = WRITING_SPACES;
if (mode == STR_CONV_MODE_LEADING_ZEROS)
state = WRITING_DIGITS;
for (powerOfSixteen = largestPowerOfSixteen; powerOfSixteen > 0; powerOfSixteen /= 16)
{
u8 c;
u32 digit = value / powerOfSixteen;
s32 temp = value % powerOfSixteen;
if (state == WRITING_DIGITS)
{
char *out = dest++;
if (digit <= 0xF)
c = sDigits[digit];
else
c = CHAR_QUESTION_MARK;
*out = c;
}
else if (digit != 0 || powerOfSixteen == 1)
{
char *out;
state = WRITING_DIGITS;
out = dest++;
if (digit <= 0xF)
c = sDigits[digit];
else
c = CHAR_QUESTION_MARK;
*out = c;
}
else if (state == WRITING_SPACES)
{
*dest++ = CHAR_SPACER;
}
value = temp;
}
*dest = EOS;
return dest;
}
u8 *StringExpandPlaceholders(u8 *dest, const u8 *src)
{
for (;;)
{
u8 c = *src++;
u8 placeholderId;
const u8 *expandedString;
switch (c)
{
case PLACEHOLDER_BEGIN:
placeholderId = *src++;
expandedString = GetExpandedPlaceholder(placeholderId);
dest = StringExpandPlaceholders(dest, expandedString);
break;
case EXT_CTRL_CODE_BEGIN:
*dest++ = c;
c = *src++;
*dest++ = c;
switch (c)
{
case EXT_CTRL_CODE_RESET_FONT:
case EXT_CTRL_CODE_PAUSE_UNTIL_PRESS:
case EXT_CTRL_CODE_FILL_WINDOW:
case EXT_CTRL_CODE_JPN:
case EXT_CTRL_CODE_ENG:
case EXT_CTRL_CODE_PAUSE_MUSIC:
case EXT_CTRL_CODE_RESUME_MUSIC:
break;
case EXT_CTRL_CODE_COLOR_HIGHLIGHT_SHADOW:
*dest++ = *src++;
case EXT_CTRL_CODE_PLAY_BGM:
*dest++ = *src++;
default:
*dest++ = *src++;
}
break;
case EOS:
*dest = EOS;
return dest;
case CHAR_PROMPT_SCROLL:
case CHAR_PROMPT_CLEAR:
case CHAR_NEWLINE:
default:
*dest++ = c;
}
}
}
u8 *StringBraille(u8 *dest, const u8 *src)
{
const u8 setBrailleFont[] = {
EXT_CTRL_CODE_BEGIN,
EXT_CTRL_CODE_FONT,
FONT_BRAILLE,
EOS
};
const u8 gotoLine2[] = {
CHAR_NEWLINE,
EXT_CTRL_CODE_BEGIN,
EXT_CTRL_CODE_SHIFT_DOWN,
2,
EOS
};
dest = StringCopy(dest, setBrailleFont);
for (;;)
{
u8 c = *src++;
switch (c)
{
case EOS:
*dest = c;
return dest;
case CHAR_NEWLINE:
dest = StringCopy(dest, gotoLine2);
break;
default:
*dest++ = c;
*dest++ = c + NUM_BRAILLE_CHARS;
break;
}
}
}
static const u8 *ExpandPlaceholder_UnknownStringVar(void)
{
return sUnknownStringVar;
}
static const u8 *ExpandPlaceholder_PlayerName(void)
{
return gSaveBlock2Ptr->playerName;
}
static const u8 *ExpandPlaceholder_StringVar1(void)
{
return gStringVar1;
}
static const u8 *ExpandPlaceholder_StringVar2(void)
{
return gStringVar2;
}
static const u8 *ExpandPlaceholder_StringVar3(void)
{
return gStringVar3;
}
static const u8 *ExpandPlaceholder_KunChan(void)
{
if (gSaveBlock2Ptr->playerGender == MALE)
return gText_ExpandedPlaceholder_Kun;
else
return gText_ExpandedPlaceholder_Chan;
}
static const u8 *ExpandPlaceholder_RivalName(void)
{
if (gSaveBlock2Ptr->playerGender == MALE)
return gText_ExpandedPlaceholder_May;
else
return gText_ExpandedPlaceholder_Brendan;
}
static const u8 *ExpandPlaceholder_Version(void)
{
return gText_ExpandedPlaceholder_Emerald;
}
static const u8 *ExpandPlaceholder_Aqua(void)
{
return gText_ExpandedPlaceholder_Aqua;
}
static const u8 *ExpandPlaceholder_Magma(void)
{
return gText_ExpandedPlaceholder_Magma;
}
static const u8 *ExpandPlaceholder_Archie(void)
{
return gText_ExpandedPlaceholder_Archie;
}
static const u8 *ExpandPlaceholder_Maxie(void)
{
return gText_ExpandedPlaceholder_Maxie;
}
static const u8 *ExpandPlaceholder_Kyogre(void)
{
return gText_ExpandedPlaceholder_Kyogre;
}
static const u8 *ExpandPlaceholder_Groudon(void)
{
return gText_ExpandedPlaceholder_Groudon;
}
const u8 *GetExpandedPlaceholder(u32 id)
{
typedef const u8 *(*ExpandPlaceholderFunc)(void);
static const ExpandPlaceholderFunc funcs[] =
{
[PLACEHOLDER_ID_UNKNOWN] = ExpandPlaceholder_UnknownStringVar,
[PLACEHOLDER_ID_PLAYER] = ExpandPlaceholder_PlayerName,
[PLACEHOLDER_ID_STRING_VAR_1] = ExpandPlaceholder_StringVar1,
[PLACEHOLDER_ID_STRING_VAR_2] = ExpandPlaceholder_StringVar2,
[PLACEHOLDER_ID_STRING_VAR_3] = ExpandPlaceholder_StringVar3,
[PLACEHOLDER_ID_KUN] = ExpandPlaceholder_KunChan,
[PLACEHOLDER_ID_RIVAL] = ExpandPlaceholder_RivalName,
[PLACEHOLDER_ID_VERSION] = ExpandPlaceholder_Version,
[PLACEHOLDER_ID_AQUA] = ExpandPlaceholder_Aqua,
[PLACEHOLDER_ID_MAGMA] = ExpandPlaceholder_Magma,
[PLACEHOLDER_ID_ARCHIE] = ExpandPlaceholder_Archie,
[PLACEHOLDER_ID_MAXIE] = ExpandPlaceholder_Maxie,
[PLACEHOLDER_ID_KYOGRE] = ExpandPlaceholder_Kyogre,
[PLACEHOLDER_ID_GROUDON] = ExpandPlaceholder_Groudon,
};
if (id >= ARRAY_COUNT(funcs))
return gText_ExpandedPlaceholder_Empty;
else
return funcs[id]();
}
u8 *StringFill(u8 *dest, u8 c, u16 n)
{
u16 i;
for (i = 0; i < n; i++)
*dest++ = c;
*dest = EOS;
return dest;
}
u8 *StringCopyPadded(u8 *dest, const u8 *src, u8 c, u16 n)
{
while (*src != EOS)
{
*dest++ = *src++;
if (n)
n--;
}
n--;
while (n != (u16)-1)
{
*dest++ = c;
n--;
}
*dest = EOS;
return dest;
}
u8 *StringFillWithTerminator(u8 *dest, u16 n)
{
return StringFill(dest, EOS, n);
}
u8 *StringCopyN_Multibyte(u8 *dest, u8 *src, u32 n)
{
u32 i;
for (i = n - 1; i != (u32)-1; i--)
{
if (*src == EOS)
{
break;
}
else
{
*dest++ = *src++;
if (*(src - 1) == CHAR_EXTRA_SYMBOL)
*dest++ = *src++;
}
}
*dest = EOS;
return dest;
}
u32 StringLength_Multibyte(const u8 *str)
{
u32 length = 0;
while (*str != EOS)
{
if (*str == CHAR_EXTRA_SYMBOL)
str++;
str++;
length++;
}
return length;
}
u8 *WriteColorChangeControlCode(u8 *dest, u32 colorType, u8 color)
{
*dest = EXT_CTRL_CODE_BEGIN;
dest++;
switch (colorType)
{
case 0:
*dest = EXT_CTRL_CODE_COLOR;
dest++;
break;
case 1:
*dest = EXT_CTRL_CODE_SHADOW;
dest++;
break;
case 2:
*dest = EXT_CTRL_CODE_HIGHLIGHT;
dest++;
break;
}
*dest = color;
dest++;
*dest = EOS;
return dest;
}
bool32 IsStringJapanese(u8 *str)
{
while (*str != EOS)
{
if (*str <= JAPANESE_CHAR_END)
if (*str != CHAR_SPACE)
return TRUE;
str++;
}
return FALSE;
}
bool32 IsStringNJapanese(u8 *str, s32 n)
{
s32 i;
for (i = 0; *str != EOS && i < n; i++)
{
if (*str <= JAPANESE_CHAR_END)
if (*str != CHAR_SPACE)
return TRUE;
str++;
}
return FALSE;
}
u8 GetExtCtrlCodeLength(u8 code)
{
static const u8 lengths[] =
{
[0] = 1,
[EXT_CTRL_CODE_COLOR] = 2,
[EXT_CTRL_CODE_HIGHLIGHT] = 2,
[EXT_CTRL_CODE_SHADOW] = 2,
[EXT_CTRL_CODE_COLOR_HIGHLIGHT_SHADOW] = 4,
[EXT_CTRL_CODE_PALETTE] = 2,
[EXT_CTRL_CODE_FONT] = 2,
[EXT_CTRL_CODE_RESET_FONT] = 1,
[EXT_CTRL_CODE_PAUSE] = 2,
[EXT_CTRL_CODE_PAUSE_UNTIL_PRESS] = 1,
[EXT_CTRL_CODE_WAIT_SE] = 1,
[EXT_CTRL_CODE_PLAY_BGM] = 3,
[EXT_CTRL_CODE_ESCAPE] = 2,
[EXT_CTRL_CODE_SHIFT_RIGHT] = 2,
[EXT_CTRL_CODE_SHIFT_DOWN] = 2,
[EXT_CTRL_CODE_FILL_WINDOW] = 1,
[EXT_CTRL_CODE_PLAY_SE] = 3,
[EXT_CTRL_CODE_CLEAR] = 2,
[EXT_CTRL_CODE_SKIP] = 2,
[EXT_CTRL_CODE_CLEAR_TO] = 2,
[EXT_CTRL_CODE_MIN_LETTER_SPACING] = 2,
[EXT_CTRL_CODE_JPN] = 1,
[EXT_CTRL_CODE_ENG] = 1,
[EXT_CTRL_CODE_PAUSE_MUSIC] = 1,
[EXT_CTRL_CODE_RESUME_MUSIC] = 1,
};
u8 length = 0;
if (code < ARRAY_COUNT(lengths))
length = lengths[code];
return length;
}
static const u8 *SkipExtCtrlCode(const u8 *s)
{
while (*s == EXT_CTRL_CODE_BEGIN)
{
s++;
s += GetExtCtrlCodeLength(*s);
}
return s;
}
s32 StringCompareWithoutExtCtrlCodes(const u8 *str1, const u8 *str2)
{
s32 retVal = 0;
while (1)
{
str1 = SkipExtCtrlCode(str1);
str2 = SkipExtCtrlCode(str2);
if (*str1 > *str2)
break;
if (*str1 < *str2)
{
retVal = -1;
if (*str2 == EOS)
retVal = 1;
}
if (*str1 == EOS)
return retVal;
str1++;
str2++;
}
retVal = 1;
if (*str1 == EOS)
retVal = -1;
return retVal;
}
void ConvertInternationalString(u8 *s, u8 language)
{
if (language == LANGUAGE_JAPANESE)
{
u8 i;
StripExtCtrlCodes(s);
i = StringLength(s);
s[i++] = EXT_CTRL_CODE_BEGIN;
s[i++] = EXT_CTRL_CODE_ENG;
s[i++] = EOS;
i--;
while (i != (u8)-1)
{
s[i + 2] = s[i];
i--;
}
s[0] = EXT_CTRL_CODE_BEGIN;
s[1] = EXT_CTRL_CODE_JPN;
}
}
void StripExtCtrlCodes(u8 *str)
{
u16 srcIndex = 0;
u16 destIndex = 0;
while (str[srcIndex] != EOS)
{
if (str[srcIndex] == EXT_CTRL_CODE_BEGIN)
{
srcIndex++;
srcIndex += GetExtCtrlCodeLength(str[srcIndex]);
}
else
{
str[destIndex++] = str[srcIndex++];
}
}
str[destIndex] = EOS;
}