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This commit is contained in:
Skye Chappelle
2022-05-19 17:14:13 +00:00
parent 5247c34f50
commit ab32b30591
12612 changed files with 1905035 additions and 83 deletions
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1249
gflib/bg.c Normal file
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#include <limits.h>
#include "global.h"
#include "bg.h"
#include "dma3.h"
#include "gpu_regs.h"
#define DISPCNT_ALL_BG_AND_MODE_BITS (DISPCNT_BG_ALL_ON | 0x7)
struct BgControl
{
struct BgConfig {
u8 visible:1;
u8 unknown_1:1;
u8 screenSize:2;
u8 priority:2;
u8 mosaic:1;
u8 wraparound:1;
u8 charBaseIndex:2;
u8 mapBaseIndex:5;
u8 paletteMode:1;
u8 unknown_2; // Assigned to but never read
u8 unknown_3; // Assigned to but never read
} configs[NUM_BACKGROUNDS];
u16 bgVisibilityAndMode;
};
struct BgConfig2
{
u32 baseTile:10;
u32 basePalette:4;
u32 unk_3:18;
void* tilemap;
s32 bg_x;
s32 bg_y;
};
static struct BgControl sGpuBgConfigs;
static struct BgConfig2 sGpuBgConfigs2[NUM_BACKGROUNDS];
static u32 sDmaBusyBitfield[NUM_BACKGROUNDS];
u32 gWindowTileAutoAllocEnabled;
static const struct BgConfig sZeroedBgControlStruct = { 0 };
static u32 GetBgType(u8 bg);
void ResetBgs(void)
{
ResetBgControlStructs();
sGpuBgConfigs.bgVisibilityAndMode = 0;
SetTextModeAndHideBgs();
}
static void SetBgModeInternal(u8 bgMode)
{
sGpuBgConfigs.bgVisibilityAndMode &= ~0x7;
sGpuBgConfigs.bgVisibilityAndMode |= bgMode;
}
u8 GetBgMode(void)
{
return sGpuBgConfigs.bgVisibilityAndMode & 0x7;
}
void ResetBgControlStructs(void)
{
int i;
for (i = 0; i < NUM_BACKGROUNDS; i++)
{
sGpuBgConfigs.configs[i] = sZeroedBgControlStruct;
}
}
void Unused_ResetBgControlStruct(u8 bg)
{
if (!IsInvalidBg(bg))
{
sGpuBgConfigs.configs[bg] = sZeroedBgControlStruct;
}
}
enum
{
BG_CTRL_ATTR_VISIBLE = 1,
BG_CTRL_ATTR_CHARBASEINDEX = 2,
BG_CTRL_ATTR_MAPBASEINDEX = 3,
BG_CTRL_ATTR_SCREENSIZE = 4,
BG_CTRL_ATTR_PALETTEMODE = 5,
BG_CTRL_ATTR_PRIORITY = 6,
BG_CTRL_ATTR_MOSAIC = 7,
BG_CTRL_ATTR_WRAPAROUND = 8,
};
static void SetBgControlAttributes(u8 bg, u8 charBaseIndex, u8 mapBaseIndex, u8 screenSize, u8 paletteMode, u8 priority, u8 mosaic, u8 wraparound)
{
if (!IsInvalidBg(bg))
{
if (charBaseIndex != 0xFF)
{
sGpuBgConfigs.configs[bg].charBaseIndex = charBaseIndex;
}
if (mapBaseIndex != 0xFF)
{
sGpuBgConfigs.configs[bg].mapBaseIndex = mapBaseIndex;
}
if (screenSize != 0xFF)
{
sGpuBgConfigs.configs[bg].screenSize = screenSize;
}
if (paletteMode != 0xFF)
{
sGpuBgConfigs.configs[bg].paletteMode = paletteMode;
}
if (priority != 0xFF)
{
sGpuBgConfigs.configs[bg].priority = priority;
}
if (mosaic != 0xFF)
{
sGpuBgConfigs.configs[bg].mosaic = mosaic;
}
if (wraparound != 0xFF)
{
sGpuBgConfigs.configs[bg].wraparound = wraparound;
}
sGpuBgConfigs.configs[bg].unknown_2 = 0;
sGpuBgConfigs.configs[bg].unknown_3 = 0;
sGpuBgConfigs.configs[bg].visible = 1;
}
}
static u16 GetBgControlAttribute(u8 bg, u8 attributeId)
{
if (!IsInvalidBg(bg) && sGpuBgConfigs.configs[bg].visible)
{
switch (attributeId)
{
case BG_CTRL_ATTR_VISIBLE:
return sGpuBgConfigs.configs[bg].visible;
case BG_CTRL_ATTR_CHARBASEINDEX:
return sGpuBgConfigs.configs[bg].charBaseIndex;
case BG_CTRL_ATTR_MAPBASEINDEX:
return sGpuBgConfigs.configs[bg].mapBaseIndex;
case BG_CTRL_ATTR_SCREENSIZE:
return sGpuBgConfigs.configs[bg].screenSize;
case BG_CTRL_ATTR_PALETTEMODE:
return sGpuBgConfigs.configs[bg].paletteMode;
case BG_CTRL_ATTR_PRIORITY:
return sGpuBgConfigs.configs[bg].priority;
case BG_CTRL_ATTR_MOSAIC:
return sGpuBgConfigs.configs[bg].mosaic;
case BG_CTRL_ATTR_WRAPAROUND:
return sGpuBgConfigs.configs[bg].wraparound;
}
}
return 0xFF;
}
u8 LoadBgVram(u8 bg, const void *src, u16 size, u16 destOffset, u8 mode)
{
u16 offset;
s8 cursor;
if (IsInvalidBg(bg) || !sGpuBgConfigs.configs[bg].visible)
return -1;
switch (mode)
{
case 0x1:
offset = sGpuBgConfigs.configs[bg].charBaseIndex * BG_CHAR_SIZE;
offset = destOffset + offset;
cursor = RequestDma3Copy(src, (void*)(offset + BG_VRAM), size, 0);
if (cursor == -1)
return -1;
break;
case 0x2:
offset = sGpuBgConfigs.configs[bg].mapBaseIndex * BG_SCREEN_SIZE;
offset = destOffset + offset;
cursor = RequestDma3Copy(src, (void*)(offset + BG_VRAM), size, 0);
if (cursor == -1)
return -1;
break;
default:
cursor = -1;
break;
}
return cursor;
}
static void ShowBgInternal(u8 bg)
{
u16 value;
if (!IsInvalidBg(bg) && sGpuBgConfigs.configs[bg].visible)
{
value = sGpuBgConfigs.configs[bg].priority |
(sGpuBgConfigs.configs[bg].charBaseIndex << 2) |
(sGpuBgConfigs.configs[bg].mosaic << 6) |
(sGpuBgConfigs.configs[bg].paletteMode << 7) |
(sGpuBgConfigs.configs[bg].mapBaseIndex << 8) |
(sGpuBgConfigs.configs[bg].wraparound << 13) |
(sGpuBgConfigs.configs[bg].screenSize << 14);
SetGpuReg((bg << 1) + REG_OFFSET_BG0CNT, value);
sGpuBgConfigs.bgVisibilityAndMode |= 1 << (bg + 8);
sGpuBgConfigs.bgVisibilityAndMode &= DISPCNT_ALL_BG_AND_MODE_BITS;
}
}
static void HideBgInternal(u8 bg)
{
if (!IsInvalidBg(bg))
{
sGpuBgConfigs.bgVisibilityAndMode &= ~(1 << (bg + 8));
sGpuBgConfigs.bgVisibilityAndMode &= DISPCNT_ALL_BG_AND_MODE_BITS;
}
}
static void SyncBgVisibilityAndMode(void)
{
SetGpuReg(REG_OFFSET_DISPCNT, (GetGpuReg(REG_OFFSET_DISPCNT) & ~DISPCNT_ALL_BG_AND_MODE_BITS) | sGpuBgConfigs.bgVisibilityAndMode);
}
void SetTextModeAndHideBgs(void)
{
SetGpuReg(REG_OFFSET_DISPCNT, GetGpuReg(REG_OFFSET_DISPCNT) & ~DISPCNT_ALL_BG_AND_MODE_BITS);
}
static void SetBgAffineInternal(u8 bg, s32 srcCenterX, s32 srcCenterY, s16 dispCenterX, s16 dispCenterY, s16 scaleX, s16 scaleY, u16 rotationAngle)
{
struct BgAffineSrcData src;
struct BgAffineDstData dest;
switch (sGpuBgConfigs.bgVisibilityAndMode & 0x7)
{
default:
case 0:
return;
case 1:
if (bg != 2)
return;
break;
case 2:
if (bg != 2 && bg != 3)
return;
break;
}
src.texX = srcCenterX;
src.texY = srcCenterY;
src.scrX = dispCenterX;
src.scrY = dispCenterY;
src.sx = scaleX;
src.sy = scaleY;
src.alpha = rotationAngle;
BgAffineSet(&src, &dest, 1);
SetGpuReg(REG_OFFSET_BG2PA, dest.pa);
SetGpuReg(REG_OFFSET_BG2PB, dest.pb);
SetGpuReg(REG_OFFSET_BG2PC, dest.pc);
SetGpuReg(REG_OFFSET_BG2PD, dest.pd);
SetGpuReg(REG_OFFSET_BG2PA, dest.pa);
SetGpuReg(REG_OFFSET_BG2X_L, (s16)(dest.dx));
SetGpuReg(REG_OFFSET_BG2X_H, (s16)(dest.dx >> 16));
SetGpuReg(REG_OFFSET_BG2Y_L, (s16)(dest.dy));
SetGpuReg(REG_OFFSET_BG2Y_H, (s16)(dest.dy >> 16));
}
bool8 IsInvalidBg(u8 bg)
{
if (bg >= NUM_BACKGROUNDS)
return TRUE;
else
return FALSE;
}
// From FRLG. Dummied out.
int BgTileAllocOp(int bg, int offset, int count, int mode)
{
return 0;
}
void ResetBgsAndClearDma3BusyFlags(u32 leftoverFireRedLeafGreenVariable)
{
int i;
ResetBgs();
for (i = 0; i < NUM_BACKGROUNDS; i++)
{
sDmaBusyBitfield[i] = 0;
}
gWindowTileAutoAllocEnabled = leftoverFireRedLeafGreenVariable;
}
void InitBgsFromTemplates(u8 bgMode, const struct BgTemplate *templates, u8 numTemplates)
{
int i;
u8 bg;
SetBgModeInternal(bgMode);
ResetBgControlStructs();
for (i = 0; i < numTemplates; i++)
{
bg = templates[i].bg;
if (bg < NUM_BACKGROUNDS)
{
SetBgControlAttributes(bg,
templates[i].charBaseIndex,
templates[i].mapBaseIndex,
templates[i].screenSize,
templates[i].paletteMode,
templates[i].priority,
0,
0);
sGpuBgConfigs2[bg].baseTile = templates[i].baseTile;
sGpuBgConfigs2[bg].basePalette = 0;
sGpuBgConfigs2[bg].unk_3 = 0;
sGpuBgConfigs2[bg].tilemap = NULL;
sGpuBgConfigs2[bg].bg_x = 0;
sGpuBgConfigs2[bg].bg_y = 0;
}
}
}
void InitBgFromTemplate(const struct BgTemplate *template)
{
u8 bg = template->bg;
if (bg < NUM_BACKGROUNDS)
{
SetBgControlAttributes(bg,
template->charBaseIndex,
template->mapBaseIndex,
template->screenSize,
template->paletteMode,
template->priority,
0,
0);
sGpuBgConfigs2[bg].baseTile = template->baseTile;
sGpuBgConfigs2[bg].basePalette = 0;
sGpuBgConfigs2[bg].unk_3 = 0;
sGpuBgConfigs2[bg].tilemap = NULL;
sGpuBgConfigs2[bg].bg_x = 0;
sGpuBgConfigs2[bg].bg_y = 0;
}
}
void SetBgMode(u8 bgMode)
{
SetBgModeInternal(bgMode);
}
u16 LoadBgTiles(u8 bg, const void* src, u16 size, u16 destOffset)
{
u16 tileOffset;
u8 cursor;
if (GetBgControlAttribute(bg, BG_CTRL_ATTR_PALETTEMODE) == 0)
{
tileOffset = (sGpuBgConfigs2[bg].baseTile + destOffset) * 0x20;
}
else
{
tileOffset = (sGpuBgConfigs2[bg].baseTile + destOffset) * 0x40;
}
cursor = LoadBgVram(bg, src, size, tileOffset, DISPCNT_MODE_1);
if (cursor == 0xFF)
{
return -1;
}
sDmaBusyBitfield[cursor / 0x20] |= (1 << (cursor % 0x20));
if (gWindowTileAutoAllocEnabled == TRUE)
BgTileAllocOp(bg, tileOffset / 0x20, size / 0x20, 1);
return cursor;
}
u16 LoadBgTilemap(u8 bg, const void *src, u16 size, u16 destOffset)
{
u8 cursor = LoadBgVram(bg, src, size, destOffset * 2, DISPCNT_MODE_2);
if (cursor == 0xFF)
{
return -1;
}
sDmaBusyBitfield[cursor / 0x20] |= (1 << (cursor % 0x20));
return cursor;
}
u16 Unused_LoadBgPalette(u8 bg, const void *src, u16 size, u16 destOffset)
{
s8 cursor;
if (!IsInvalidBg32(bg))
{
u16 paletteOffset = (sGpuBgConfigs2[bg].basePalette * 0x20) + (destOffset * 2);
cursor = RequestDma3Copy(src, (void*)(paletteOffset + BG_PLTT), size, 0);
if (cursor == -1)
{
return -1;
}
}
else
{
return -1;
}
sDmaBusyBitfield[cursor / 0x20] |= (1 << (cursor % 0x20));
return (u8)cursor;
}
bool8 IsDma3ManagerBusyWithBgCopy(void)
{
int i;
for (i = 0; i < 0x80; i++)
{
u8 div = i / 0x20;
u8 mod = i % 0x20;
if ((sDmaBusyBitfield[div] & (1 << mod)))
{
s8 reqSpace = CheckForSpaceForDma3Request(i);
if (reqSpace == -1)
{
return TRUE;
}
sDmaBusyBitfield[div] &= ~(1 << mod);
}
}
return FALSE;
}
void ShowBg(u8 bg)
{
ShowBgInternal(bg);
SyncBgVisibilityAndMode();
}
void HideBg(u8 bg)
{
HideBgInternal(bg);
SyncBgVisibilityAndMode();
}
void SetBgAttribute(u8 bg, u8 attributeId, u8 value)
{
switch (attributeId)
{
case BG_ATTR_CHARBASEINDEX:
SetBgControlAttributes(bg, value, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF);
break;
case BG_ATTR_MAPBASEINDEX:
SetBgControlAttributes(bg, 0xFF, value, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF);
break;
case BG_ATTR_SCREENSIZE:
SetBgControlAttributes(bg, 0xFF, 0xFF, value, 0xFF, 0xFF, 0xFF, 0xFF);
break;
case BG_ATTR_PALETTEMODE:
SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, value, 0xFF, 0xFF, 0xFF);
break;
case BG_ATTR_PRIORITY:
SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, value, 0xFF, 0xFF);
break;
case BG_ATTR_MOSAIC:
SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, value, 0xFF);
break;
case BG_ATTR_WRAPAROUND:
SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, value);
break;
}
}
u16 GetBgAttribute(u8 bg, u8 attributeId)
{
switch (attributeId)
{
case BG_ATTR_CHARBASEINDEX:
return GetBgControlAttribute(bg, BG_CTRL_ATTR_CHARBASEINDEX);
case BG_ATTR_MAPBASEINDEX:
return GetBgControlAttribute(bg, BG_CTRL_ATTR_MAPBASEINDEX);
case BG_ATTR_SCREENSIZE:
return GetBgControlAttribute(bg, BG_CTRL_ATTR_SCREENSIZE);
case BG_ATTR_PALETTEMODE:
return GetBgControlAttribute(bg, BG_CTRL_ATTR_PALETTEMODE);
case BG_ATTR_PRIORITY:
return GetBgControlAttribute(bg, BG_CTRL_ATTR_PRIORITY);
case BG_ATTR_MOSAIC:
return GetBgControlAttribute(bg, BG_CTRL_ATTR_MOSAIC);
case BG_ATTR_WRAPAROUND:
return GetBgControlAttribute(bg, BG_CTRL_ATTR_WRAPAROUND);
case BG_ATTR_METRIC:
switch (GetBgType(bg))
{
case BG_TYPE_NORMAL:
return GetBgMetricTextMode(bg, 0) * 0x800;
case BG_TYPE_AFFINE:
return GetBgMetricAffineMode(bg, 0) * 0x100;
default:
return 0;
}
case BG_ATTR_TYPE:
return GetBgType(bg);
case BG_ATTR_BASETILE:
return sGpuBgConfigs2[bg].baseTile;
default:
return -1;
}
}
s32 ChangeBgX(u8 bg, s32 value, u8 op)
{
u8 mode;
u16 temp1;
u16 temp2;
if (IsInvalidBg32(bg) || !GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE))
{
return -1;
}
switch (op)
{
case BG_COORD_SET:
default:
sGpuBgConfigs2[bg].bg_x = value;
break;
case BG_COORD_ADD:
sGpuBgConfigs2[bg].bg_x += value;
break;
case BG_COORD_SUB:
sGpuBgConfigs2[bg].bg_x -= value;
break;
}
mode = GetBgMode();
switch (bg)
{
case 0:
temp1 = sGpuBgConfigs2[0].bg_x >> 0x8;
SetGpuReg(REG_OFFSET_BG0HOFS, temp1);
break;
case 1:
temp1 = sGpuBgConfigs2[1].bg_x >> 0x8;
SetGpuReg(REG_OFFSET_BG1HOFS, temp1);
break;
case 2:
if (mode == 0)
{
temp1 = sGpuBgConfigs2[2].bg_x >> 0x8;
SetGpuReg(REG_OFFSET_BG2HOFS, temp1);
}
else
{
temp1 = sGpuBgConfigs2[2].bg_x >> 0x10;
temp2 = sGpuBgConfigs2[2].bg_x & 0xFFFF;
SetGpuReg(REG_OFFSET_BG2X_H, temp1);
SetGpuReg(REG_OFFSET_BG2X_L, temp2);
}
break;
case 3:
if (mode == 0)
{
temp1 = sGpuBgConfigs2[3].bg_x >> 0x8;
SetGpuReg(REG_OFFSET_BG3HOFS, temp1);
}
else if (mode == 2)
{
temp1 = sGpuBgConfigs2[3].bg_x >> 0x10;
temp2 = sGpuBgConfigs2[3].bg_x & 0xFFFF;
SetGpuReg(REG_OFFSET_BG3X_H, temp1);
SetGpuReg(REG_OFFSET_BG3X_L, temp2);
}
break;
}
return sGpuBgConfigs2[bg].bg_x;
}
s32 GetBgX(u8 bg)
{
if (IsInvalidBg32(bg))
return -1;
else if (!GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE))
return -1;
else
return sGpuBgConfigs2[bg].bg_x;
}
s32 ChangeBgY(u8 bg, s32 value, u8 op)
{
u8 mode;
u16 temp1;
u16 temp2;
if (IsInvalidBg32(bg) || !GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE))
{
return -1;
}
switch (op)
{
case BG_COORD_SET:
default:
sGpuBgConfigs2[bg].bg_y = value;
break;
case BG_COORD_ADD:
sGpuBgConfigs2[bg].bg_y += value;
break;
case BG_COORD_SUB:
sGpuBgConfigs2[bg].bg_y -= value;
break;
}
mode = GetBgMode();
switch (bg)
{
case 0:
temp1 = sGpuBgConfigs2[0].bg_y >> 0x8;
SetGpuReg(REG_OFFSET_BG0VOFS, temp1);
break;
case 1:
temp1 = sGpuBgConfigs2[1].bg_y >> 0x8;
SetGpuReg(REG_OFFSET_BG1VOFS, temp1);
break;
case 2:
if (mode == 0)
{
temp1 = sGpuBgConfigs2[2].bg_y >> 0x8;
SetGpuReg(REG_OFFSET_BG2VOFS, temp1);
}
else
{
temp1 = sGpuBgConfigs2[2].bg_y >> 0x10;
temp2 = sGpuBgConfigs2[2].bg_y & 0xFFFF;
SetGpuReg(REG_OFFSET_BG2Y_H, temp1);
SetGpuReg(REG_OFFSET_BG2Y_L, temp2);
}
break;
case 3:
if (mode == 0)
{
temp1 = sGpuBgConfigs2[3].bg_y >> 0x8;
SetGpuReg(REG_OFFSET_BG3VOFS, temp1);
}
else if (mode == 2)
{
temp1 = sGpuBgConfigs2[3].bg_y >> 0x10;
temp2 = sGpuBgConfigs2[3].bg_y & 0xFFFF;
SetGpuReg(REG_OFFSET_BG3Y_H, temp1);
SetGpuReg(REG_OFFSET_BG3Y_L, temp2);
}
break;
}
return sGpuBgConfigs2[bg].bg_y;
}
s32 ChangeBgY_ScreenOff(u8 bg, s32 value, u8 op)
{
u8 mode;
u16 temp1;
u16 temp2;
if (IsInvalidBg32(bg) || !GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE))
{
return -1;
}
switch (op)
{
case BG_COORD_SET:
default:
sGpuBgConfigs2[bg].bg_y = value;
break;
case BG_COORD_ADD:
sGpuBgConfigs2[bg].bg_y += value;
break;
case BG_COORD_SUB:
sGpuBgConfigs2[bg].bg_y -= value;
break;
}
mode = GetBgMode();
switch (bg)
{
case 0:
temp1 = sGpuBgConfigs2[0].bg_y >> 0x8;
SetGpuReg_ForcedBlank(REG_OFFSET_BG0VOFS, temp1);
break;
case 1:
temp1 = sGpuBgConfigs2[1].bg_y >> 0x8;
SetGpuReg_ForcedBlank(REG_OFFSET_BG1VOFS, temp1);
break;
case 2:
if (mode == 0)
{
temp1 = sGpuBgConfigs2[2].bg_y >> 0x8;
SetGpuReg_ForcedBlank(REG_OFFSET_BG2VOFS, temp1);
}
else
{
temp1 = sGpuBgConfigs2[2].bg_y >> 0x10;
temp2 = sGpuBgConfigs2[2].bg_y & 0xFFFF;
SetGpuReg_ForcedBlank(REG_OFFSET_BG2Y_H, temp1);
SetGpuReg_ForcedBlank(REG_OFFSET_BG2Y_L, temp2);
}
break;
case 3:
if (mode == 0)
{
temp1 = sGpuBgConfigs2[3].bg_y >> 0x8;
SetGpuReg_ForcedBlank(REG_OFFSET_BG3VOFS, temp1);
}
else if (mode == 2)
{
temp1 = sGpuBgConfigs2[3].bg_y >> 0x10;
temp2 = sGpuBgConfigs2[3].bg_y & 0xFFFF;
SetGpuReg_ForcedBlank(REG_OFFSET_BG3Y_H, temp1);
SetGpuReg_ForcedBlank(REG_OFFSET_BG3Y_L, temp2);
}
break;
}
return sGpuBgConfigs2[bg].bg_y;
}
s32 GetBgY(u8 bg)
{
if (IsInvalidBg32(bg))
return -1;
else if (!GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE))
return -1;
else
return sGpuBgConfigs2[bg].bg_y;
}
void SetBgAffine(u8 bg, s32 srcCenterX, s32 srcCenterY, s16 dispCenterX, s16 dispCenterY, s16 scaleX, s16 scaleY, u16 rotationAngle)
{
SetBgAffineInternal(bg, srcCenterX, srcCenterY, dispCenterX, dispCenterY, scaleX, scaleY, rotationAngle);
}
u8 Unused_AdjustBgMosaic(u8 a1, u8 a2)
{
u16 result = GetGpuReg(REG_OFFSET_MOSAIC);
s16 test1 = result & 0xF;
s16 test2 = (result >> 4) & 0xF;
result &= 0xFF00;
switch (a2)
{
case 0:
default:
test1 = a1 & 0xF;
test2 = a1 >> 0x4;
break;
case 1:
test1 = a1 & 0xF;
break;
case 2:
if ((test1 + a1) > 0xF)
{
test1 = 0xF;
}
else
{
test1 += a1;
}
break;
case 3:
if ((test1 - a1) < 0)
{
test1 = 0x0;
}
else
{
test1 -= a1;
}
break;
case 4:
test2 = a1 & 0xF;
break;
case 5:
if ((test2 + a1) > 0xF)
{
test2 = 0xF;
}
else
{
test2 += a1;
}
break;
case 6:
if ((test2 - a1) < 0)
{
test2 = 0x0;
}
else
{
test2 -= a1;
}
break;
}
result |= ((test2 << 0x4) & 0xF0);
result |= (test1 & 0xF);
SetGpuReg(REG_OFFSET_MOSAIC, result);
return result;
}
void SetBgTilemapBuffer(u8 bg, void *tilemap)
{
if (!IsInvalidBg32(bg) && GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE))
{
sGpuBgConfigs2[bg].tilemap = tilemap;
}
}
void UnsetBgTilemapBuffer(u8 bg)
{
if (!IsInvalidBg32(bg) && GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE))
{
sGpuBgConfigs2[bg].tilemap = NULL;
}
}
void* GetBgTilemapBuffer(u8 bg)
{
if (IsInvalidBg32(bg))
return NULL;
else if (!GetBgControlAttribute(bg, BG_CTRL_ATTR_VISIBLE))
return NULL;
else
return sGpuBgConfigs2[bg].tilemap;
}
void CopyToBgTilemapBuffer(u8 bg, const void *src, u16 mode, u16 destOffset)
{
if (!IsInvalidBg32(bg) && !IsTileMapOutsideWram(bg))
{
if (mode != 0)
CpuCopy16(src, (void *)(sGpuBgConfigs2[bg].tilemap + (destOffset * 2)), mode);
else
LZ77UnCompWram(src, (void *)(sGpuBgConfigs2[bg].tilemap + (destOffset * 2)));
}
}
void CopyBgTilemapBufferToVram(u8 bg)
{
u16 sizeToLoad;
if (!IsInvalidBg32(bg) && !IsTileMapOutsideWram(bg))
{
switch (GetBgType(bg))
{
case BG_TYPE_NORMAL:
sizeToLoad = GetBgMetricTextMode(bg, 0) * 0x800;
break;
case BG_TYPE_AFFINE:
sizeToLoad = GetBgMetricAffineMode(bg, 0) * 0x100;
break;
default:
sizeToLoad = 0;
break;
}
LoadBgVram(bg, sGpuBgConfigs2[bg].tilemap, sizeToLoad, 0, 2);
}
}
void CopyToBgTilemapBufferRect(u8 bg, const void* src, u8 destX, u8 destY, u8 width, u8 height)
{
u16 destX16;
u16 destY16;
u16 mode;
if (!IsInvalidBg32(bg) && !IsTileMapOutsideWram(bg))
{
switch (GetBgType(bg))
{
case BG_TYPE_NORMAL:
{
const u16 * srcCopy = src;
for (destY16 = destY; destY16 < (destY + height); destY16++)
{
for (destX16 = destX; destX16 < (destX + width); destX16++)
{
((u16*)sGpuBgConfigs2[bg].tilemap)[((destY16 * 0x20) + destX16)] = *srcCopy++;
}
}
break;
}
case BG_TYPE_AFFINE:
{
const u8 * srcCopy = src;
mode = GetBgMetricAffineMode(bg, 0x1);
for (destY16 = destY; destY16 < (destY + height); destY16++)
{
for (destX16 = destX; destX16 < (destX + width); destX16++)
{
((u8*)sGpuBgConfigs2[bg].tilemap)[((destY16 * mode) + destX16)] = *srcCopy++;
}
}
break;
}
}
}
}
void CopyToBgTilemapBufferRect_ChangePalette(u8 bg, const void *src, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette)
{
CopyRectToBgTilemapBufferRect(bg, src, 0, 0, rectWidth, rectHeight, destX, destY, rectWidth, rectHeight, palette, 0, 0);
}
void CopyRectToBgTilemapBufferRect(u8 bg, const void *src, u8 srcX, u8 srcY, u8 srcWidth, u8 srcHeight, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette1, s16 tileOffset, s16 palette2)
{
u16 screenWidth, screenHeight, screenSize;
u16 var;
const void *srcPtr;
u16 i, j;
if (!IsInvalidBg32(bg) && !IsTileMapOutsideWram(bg))
{
screenSize = GetBgControlAttribute(bg, BG_CTRL_ATTR_SCREENSIZE);
screenWidth = GetBgMetricTextMode(bg, 0x1) * 0x20;
screenHeight = GetBgMetricTextMode(bg, 0x2) * 0x20;
switch (GetBgType(bg))
{
case BG_TYPE_NORMAL:
srcPtr = src + ((srcY * srcWidth) + srcX) * 2;
for (i = destY; i < (destY + rectHeight); i++)
{
for (j = destX; j < (destX + rectWidth); j++)
{
u16 index = GetTileMapIndexFromCoords(j, i, screenSize, screenWidth, screenHeight);
CopyTileMapEntry(srcPtr, sGpuBgConfigs2[bg].tilemap + (index * 2), palette1, tileOffset, palette2);
srcPtr += 2;
}
srcPtr += (srcWidth - rectWidth) * 2;
}
break;
case BG_TYPE_AFFINE:
srcPtr = src + ((srcY * srcWidth) + srcX);
var = GetBgMetricAffineMode(bg, 0x1);
for (i = destY; i < (destY + rectHeight); i++)
{
for (j = destX; j < (destX + rectWidth); j++)
{
*(u8*)(sGpuBgConfigs2[bg].tilemap + ((var * i) + j)) = *(u8*)(srcPtr) + tileOffset;
srcPtr++;
}
srcPtr += (srcWidth - rectWidth);
}
break;
}
}
}
void FillBgTilemapBufferRect_Palette0(u8 bg, u16 tileNum, u8 x, u8 y, u8 width, u8 height)
{
u16 x16;
u16 y16;
u16 mode;
if (!IsInvalidBg32(bg) && !IsTileMapOutsideWram(bg))
{
switch (GetBgType(bg))
{
case BG_TYPE_NORMAL:
for (y16 = y; y16 < (y + height); y16++)
{
for (x16 = x; x16 < (x + width); x16++)
{
((u16*)sGpuBgConfigs2[bg].tilemap)[((y16 * 0x20) + x16)] = tileNum;
}
}
break;
case BG_TYPE_AFFINE:
mode = GetBgMetricAffineMode(bg, 0x1);
for (y16 = y; y16 < (y + height); y16++)
{
for (x16 = x; x16 < (x + width); x16++)
{
((u8*)sGpuBgConfigs2[bg].tilemap)[((y16 * mode) + x16)] = tileNum;
}
}
break;
}
}
}
void FillBgTilemapBufferRect(u8 bg, u16 tileNum, u8 x, u8 y, u8 width, u8 height, u8 palette)
{
WriteSequenceToBgTilemapBuffer(bg, tileNum, x, y, width, height, palette, 0);
}
void WriteSequenceToBgTilemapBuffer(u8 bg, u16 firstTileNum, u8 x, u8 y, u8 width, u8 height, u8 paletteSlot, s16 tileNumDelta)
{
u16 mode;
u16 mode2;
u16 attribute;
u16 mode3;
u16 x16, y16;
if (!IsInvalidBg32(bg) && !IsTileMapOutsideWram(bg))
{
attribute = GetBgControlAttribute(bg, BG_CTRL_ATTR_SCREENSIZE);
mode = GetBgMetricTextMode(bg, 0x1) * 0x20;
mode2 = GetBgMetricTextMode(bg, 0x2) * 0x20;
switch (GetBgType(bg))
{
case BG_TYPE_NORMAL:
for (y16 = y; y16 < (y + height); y16++)
{
for (x16 = x; x16 < (x + width); x16++)
{
CopyTileMapEntry(&firstTileNum, &((u16*)sGpuBgConfigs2[bg].tilemap)[(u16)GetTileMapIndexFromCoords(x16, y16, attribute, mode, mode2)], paletteSlot, 0, 0);
firstTileNum = (firstTileNum & (METATILE_COLLISION_MASK | METATILE_ELEVATION_MASK)) + ((firstTileNum + tileNumDelta) & METATILE_ID_MASK);
}
}
break;
case BG_TYPE_AFFINE:
mode3 = GetBgMetricAffineMode(bg, 0x1);
for (y16 = y; y16 < (y + height); y16++)
{
for (x16 = x; x16 < (x + width); x16++)
{
((u8*)sGpuBgConfigs2[bg].tilemap)[(y16 * mode3) + x16] = firstTileNum;
firstTileNum = (firstTileNum & (METATILE_COLLISION_MASK | METATILE_ELEVATION_MASK)) + ((firstTileNum + tileNumDelta) & METATILE_ID_MASK);
}
}
break;
}
}
}
u16 GetBgMetricTextMode(u8 bg, u8 whichMetric)
{
u8 screenSize = GetBgControlAttribute(bg, BG_CTRL_ATTR_SCREENSIZE);
switch (whichMetric)
{
case 0:
switch (screenSize)
{
case 0:
return 1;
case 1:
case 2:
return 2;
case 3:
return 4;
}
break;
case 1:
switch (screenSize)
{
case 0:
return 1;
case 1:
return 2;
case 2:
return 1;
case 3:
return 2;
}
break;
case 2:
switch (screenSize)
{
case 0:
case 1:
return 1;
case 2:
case 3:
return 2;
}
break;
}
return 0;
}
u32 GetBgMetricAffineMode(u8 bg, u8 whichMetric)
{
u8 screenSize = GetBgControlAttribute(bg, BG_CTRL_ATTR_SCREENSIZE);
switch (whichMetric)
{
case 0:
switch (screenSize)
{
case 0:
return 0x1;
case 1:
return 0x4;
case 2:
return 0x10;
case 3:
return 0x40;
}
break;
case 1:
case 2:
return 0x10 << screenSize;
}
return 0;
}
u32 GetTileMapIndexFromCoords(s32 x, s32 y, s32 screenSize, u32 screenWidth, u32 screenHeight)
{
x = x & (screenWidth - 1);
y = y & (screenHeight - 1);
switch (screenSize)
{
case 0:
case 2:
break;
case 3:
if (y >= 0x20)
y += 0x20;
case 1:
if (x >= 0x20)
{
x -= 0x20;
y += 0x20;
}
break;
}
return (y * 0x20) + x;
}
void CopyTileMapEntry(const u16 *src, u16 *dest, s32 palette1, s32 tileOffset, s32 palette2)
{
u16 var;
switch (palette1)
{
case 0 ... 15:
var = ((*src + tileOffset) & 0xFFF) + ((palette1 + palette2) << 12);
break;
case 16:
var = *dest;
var &= 0xFC00;
var += palette2 << 12;
var |= (*src + tileOffset) & 0x3FF;
break;
default:
case 17 ... INT_MAX:
var = *src + tileOffset + (palette2 << 12);
break;
}
*dest = var;
}
static u32 GetBgType(u8 bg)
{
u8 mode = GetBgMode();
switch (bg)
{
case 0:
case 1:
switch (mode)
{
case 0:
case 1:
return BG_TYPE_NORMAL;
}
break;
case 2:
switch (mode)
{
case 0:
return BG_TYPE_NORMAL;
case 1:
case 2:
return BG_TYPE_AFFINE;
}
break;
case 3:
switch (mode)
{
case 0:
return BG_TYPE_NORMAL;
case 2:
return BG_TYPE_AFFINE;
}
break;
}
return BG_TYPE_NONE;
}
bool32 IsInvalidBg32(u8 bg)
{
if (bg >= NUM_BACKGROUNDS)
return TRUE;
else
return FALSE;
}
bool32 IsTileMapOutsideWram(u8 bg)
{
if (sGpuBgConfigs2[bg].tilemap > (void*)IWRAM_END)
return TRUE;
else if (sGpuBgConfigs2[bg].tilemap == NULL)
return TRUE;
else
return FALSE;
}

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#ifndef GUARD_BG_H
#define GUARD_BG_H
enum
{
BG_ATTR_CHARBASEINDEX = 1,
BG_ATTR_MAPBASEINDEX,
BG_ATTR_SCREENSIZE,
BG_ATTR_PALETTEMODE,
BG_ATTR_MOSAIC,
BG_ATTR_WRAPAROUND,
BG_ATTR_PRIORITY,
BG_ATTR_METRIC,
BG_ATTR_TYPE,
BG_ATTR_BASETILE,
};
enum {
BG_TYPE_NORMAL,
BG_TYPE_AFFINE,
BG_TYPE_NONE = 0xFFFF
};
// Modes for ChangeBgX / ChangeBgY
enum {
BG_COORD_SET,
BG_COORD_ADD,
BG_COORD_SUB,
};
struct BgTemplate
{
u16 bg:2; // 0x1, 0x2 -> 0x3
u16 charBaseIndex:2; // 0x4, 0x8 -> 0xC
u16 mapBaseIndex:5; // 0x10, 0x20, 0x40, 0x80, 0x100 -> 0x1F0
u16 screenSize:2; // 0x200, 0x400 -> 0x600
u16 paletteMode:1; // 0x800
u16 priority:2; // 0x1000, 0x2000 > 0x3000
u16 baseTile:10;
};
void ResetBgs(void);
u8 GetBgMode(void);
void ResetBgControlStructs(void);
void Unused_ResetBgControlStruct(u8 bg);
u8 LoadBgVram(u8 bg, const void *src, u16 size, u16 destOffset, u8 mode);
void SetTextModeAndHideBgs(void);
bool8 IsInvalidBg(u8 bg);
int BgTileAllocOp(int bg, int offset, int count, int mode);
void ResetBgsAndClearDma3BusyFlags(u32 leftoverFireRedLeafGreenVariable);
void InitBgsFromTemplates(u8 bgMode, const struct BgTemplate *templates, u8 numTemplates);
void InitBgFromTemplate(const struct BgTemplate *template);
void SetBgMode(u8 bgMode);
u16 LoadBgTiles(u8 bg, const void* src, u16 size, u16 destOffset);
u16 LoadBgTilemap(u8 bg, const void *src, u16 size, u16 destOffset);
u16 Unused_LoadBgPalette(u8 bg, const void *src, u16 size, u16 destOffset);
bool8 IsDma3ManagerBusyWithBgCopy(void);
void ShowBg(u8 bg);
void HideBg(u8 bg);
void SetBgAttribute(u8 bg, u8 attributeId, u8 value);
u16 GetBgAttribute(u8 bg, u8 attributeId);
s32 ChangeBgX(u8 bg, s32 value, u8 op);
s32 GetBgX(u8 bg);
s32 ChangeBgY(u8 bg, s32 value, u8 op);
s32 ChangeBgY_ScreenOff(u8 bg, s32 value, u8 op);
s32 GetBgY(u8 bg);
void SetBgAffine(u8 bg, s32 srcCenterX, s32 srcCenterY, s16 dispCenterX, s16 dispCenterY, s16 scaleX, s16 scaleY, u16 rotationAngle);
u8 Unused_AdjustBgMosaic(u8 a1, u8 a2);
void SetBgTilemapBuffer(u8 bg, void *tilemap);
void UnsetBgTilemapBuffer(u8 bg);
void* GetBgTilemapBuffer(u8 bg);
void CopyToBgTilemapBuffer(u8 bg, const void *src, u16 mode, u16 destOffset);
void CopyBgTilemapBufferToVram(u8 bg);
void CopyToBgTilemapBufferRect(u8 bg, const void* src, u8 destX, u8 destY, u8 width, u8 height);
void CopyToBgTilemapBufferRect_ChangePalette(u8 bg, const void *src, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette);
void CopyRectToBgTilemapBufferRect(u8 bg, const void *src, u8 srcX, u8 srcY, u8 srcWidth, u8 srcHeight, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette1, s16 tileOffset, s16 palette2);
void FillBgTilemapBufferRect_Palette0(u8 bg, u16 tileNum, u8 x, u8 y, u8 width, u8 height);
void FillBgTilemapBufferRect(u8 bg, u16 tileNum, u8 x, u8 y, u8 width, u8 height, u8 palette);
void WriteSequenceToBgTilemapBuffer(u8 bg, u16 firstTileNum, u8 x, u8 y, u8 width, u8 height, u8 paletteSlot, s16 tileNumDelta);
u16 GetBgMetricTextMode(u8 bg, u8 whichMetric);
u32 GetBgMetricAffineMode(u8 bg, u8 whichMetric);
u32 GetTileMapIndexFromCoords(s32 x, s32 y, s32 screenSize, u32 screenWidth, u32 screenHeight);
void CopyTileMapEntry(const u16 *src, u16 *dest, s32 palette1, s32 tileOffset, s32 palette2);
bool32 IsInvalidBg32(u8 bg);
bool32 IsTileMapOutsideWram(u8 bg);
#endif // GUARD_BG_H

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#include "global.h"
#include "blit.h"
void BlitBitmapRect4BitWithoutColorKey(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height)
{
BlitBitmapRect4Bit(src, dst, srcX, srcY, dstX, dstY, width, height, 0xFF);
}
void BlitBitmapRect4Bit(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height, u8 colorKey)
{
s32 xEnd;
s32 yEnd;
s32 multiplierSrcY;
s32 multiplierDstY;
s32 loopSrcY, loopDstY;
s32 loopSrcX, loopDstX;
const u8 *pixelsSrc;
u8 *pixelsDst;
s32 toOrr;
s32 toAnd;
s32 toShift;
if (dst->width - dstX < width)
xEnd = (dst->width - dstX) + srcX;
else
xEnd = srcX + width;
if (dst->height - dstY < height)
yEnd = (dst->height - dstY) + srcY;
else
yEnd = height + srcY;
multiplierSrcY = (src->width + (src->width & 7)) >> 3;
multiplierDstY = (dst->width + (dst->width & 7)) >> 3;
if (colorKey == 0xFF)
{
for (loopSrcY = srcY, loopDstY = dstY; loopSrcY < yEnd; loopSrcY++, loopDstY++)
{
for (loopSrcX = srcX, loopDstX = dstX; loopSrcX < xEnd; loopSrcX++, loopDstX++)
{
pixelsSrc = src->pixels + ((loopSrcX >> 1) & 3) + ((loopSrcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1B);
pixelsDst = dst->pixels + ((loopDstX >> 1) & 3) + ((loopDstX >> 3) << 5) + (((loopDstY >> 3) * multiplierDstY) << 5) + ((u32)(loopDstY << 0x1d) >> 0x1B);
toOrr = ((*pixelsSrc >> ((loopSrcX & 1) << 2)) & 0xF);
toShift = ((loopDstX & 1) << 2);
toOrr <<= toShift;
toAnd = 0xF0 >> (toShift);
*pixelsDst = toOrr | (*pixelsDst & toAnd);
}
}
}
else
{
for (loopSrcY = srcY, loopDstY = dstY; loopSrcY < yEnd; loopSrcY++, loopDstY++)
{
for (loopSrcX = srcX, loopDstX = dstX; loopSrcX < xEnd; loopSrcX++, loopDstX++)
{
pixelsSrc = src->pixels + ((loopSrcX >> 1) & 3) + ((loopSrcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1B);
pixelsDst = dst->pixels + ((loopDstX >> 1) & 3) + ((loopDstX >> 3) << 5) + (((loopDstY >> 3) * multiplierDstY) << 5) + ((u32)(loopDstY << 0x1d) >> 0x1B);
toOrr = ((*pixelsSrc >> ((loopSrcX & 1) << 2)) & 0xF);
if (toOrr != colorKey)
{
toShift = ((loopDstX & 1) << 2);
toOrr <<= toShift;
toAnd = 0xF0 >> (toShift);
*pixelsDst = toOrr | (*pixelsDst & toAnd);
}
}
}
}
}
void FillBitmapRect4Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue)
{
s32 xEnd;
s32 yEnd;
s32 multiplierY;
s32 loopX, loopY;
u8 toOrr1, toOrr2;
xEnd = x + width;
if (xEnd > surface->width)
xEnd = surface->width;
yEnd = y + height;
if (yEnd > surface->height)
yEnd = surface->height;
multiplierY = (surface->width + (surface->width & 7)) >> 3;
toOrr1 = fillValue << 4;
toOrr2 = fillValue & 0xF;
for (loopY = y; loopY < yEnd; loopY++)
{
for (loopX = x; loopX < xEnd; loopX++)
{
u8 *pixels = surface->pixels + ((loopX >> 1) & 3) + ((loopX >> 3) << 5) + (((loopY >> 3) * multiplierY) << 5) + ((u32)(loopY << 0x1d) >> 0x1B);
if ((loopX << 0x1F) != 0)
*pixels = toOrr1 | (*pixels & 0xF);
else
*pixels = toOrr2 | (*pixels & 0xF0);
}
}
}
void BlitBitmapRect4BitTo8Bit(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height, u8 colorKey, u8 paletteOffset)
{
s32 palOffsetBits;
s32 xEnd;
s32 yEnd;
s32 multiplierSrcY;
s32 multiplierDstY;
s32 loopSrcY, loopDstY;
s32 loopSrcX, loopDstX;
const u8 *pixelsSrc;
u8 *pixelsDst;
s32 colorKeyBits;
palOffsetBits = (u32)(paletteOffset << 0x1C) >> 0x18;
colorKeyBits = (u32)(colorKey << 0x1C) >> 0x18;
if (dst->width - dstX < width)
xEnd = (dst->width - dstX) + srcX;
else
xEnd = width + srcX;
if (dst->height - dstY < height)
yEnd = (srcY + dst->height) - dstY;
else
yEnd = srcY + height;
multiplierSrcY = (src->width + (src->width & 7)) >> 3;
multiplierDstY = (dst->width + (dst->width & 7)) >> 3;
if (colorKey == 0xFF)
{
for (loopSrcY = srcY, loopDstY = dstY; loopSrcY < yEnd; loopSrcY++, loopDstY++)
{
pixelsSrc = src->pixels + ((srcX >> 1) & 3) + ((srcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1b);
for (loopSrcX = srcX, loopDstX = dstX; loopSrcX < xEnd; loopSrcX++, loopDstX++)
{
pixelsDst = dst->pixels + (loopDstX & 7) + ((loopDstX >> 3) << 6) + (((loopDstY >> 3) * multiplierDstY) << 6) + ((u32)(loopDstY << 0x1d) >> 0x1a);
if (loopSrcX & 1)
{
*pixelsDst = palOffsetBits + (*pixelsSrc >> 4);
}
else
{
pixelsSrc = src->pixels + ((loopSrcX >> 1) & 3) + ((loopSrcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1b);
*pixelsDst = palOffsetBits + (*pixelsSrc & 0xF);
}
}
}
}
else
{
for (loopSrcY = srcY, loopDstY = dstY; loopSrcY < yEnd; loopSrcY++, loopDstY++)
{
pixelsSrc = src->pixels + ((srcX >> 1) & 3) + ((srcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1b);
for (loopSrcX = srcX, loopDstX = dstX; loopSrcX < xEnd; loopSrcX++, loopDstX++)
{
if (loopSrcX & 1)
{
if ((*pixelsSrc & 0xF0) != colorKeyBits)
{
pixelsDst = dst->pixels + (loopDstX & 7) + ((loopDstX >> 3) << 6) + (((loopDstY >> 3) * multiplierDstY) << 6) + ((u32)(loopDstY << 0x1d) >> 0x1a);
*pixelsDst = palOffsetBits + (*pixelsSrc >> 4);
}
}
else
{
pixelsSrc = src->pixels + ((loopSrcX >> 1) & 3) + ((loopSrcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1b);
if ((*pixelsSrc & 0xF) != colorKey)
{
pixelsDst = dst->pixels + (loopDstX & 7) + ((loopDstX >> 3) << 6) + (((loopDstY >> 3) * multiplierDstY) << 6) + ((u32)(loopDstY << 0x1d) >> 0x1a);
*pixelsDst = palOffsetBits + (*pixelsSrc & 0xF);
}
}
}
}
}
}
void FillBitmapRect8Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue)
{
s32 xEnd;
s32 yEnd;
s32 multiplierY;
s32 loopX, loopY;
xEnd = x + width;
if (xEnd > surface->width)
xEnd = surface->width;
yEnd = y + height;
if (yEnd > surface->height)
yEnd = surface->height;
multiplierY = (surface->width + (surface->width & 7)) >> 3;
for (loopY = y; loopY < yEnd; loopY++)
{
for (loopX = x; loopX < xEnd; loopX++)
{
u8 *pixels = surface->pixels + (loopX & 7) + ((loopX >> 3) << 6) + (((loopY >> 3) * multiplierY) << 6) + ((u32)(loopY << 0x1d) >> 0x1a);
*pixels = fillValue;
}
}
}

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#ifndef GUARD_BLIT_H
#define GUARD_BLIT_H
struct Bitmap
{
u8 *pixels;
u32 width:16;
u32 height:16;
};
void BlitBitmapRect4BitWithoutColorKey(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height);
void BlitBitmapRect4Bit(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height, u8 colorKey);
void FillBitmapRect4Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue);
void BlitBitmapRect4BitTo8Bit(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height, u8 colorKey, u8 paletteOffset);
void FillBitmapRect8Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue);
#endif // GUARD_BLIT_H

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#ifndef GUARD_CHARACTERS_H
#define GUARD_CHARACTERS_H
#define CHAR_SPACE 0x00
#define CHAR_A_GRAVE 0x01
#define CHAR_A_ACUTE 0x02
#define CHAR_A_CIRCUMFLEX 0x03
#define CHAR_C_CEDILLA 0x04
#define CHAR_E_GRAVE 0x05
#define CHAR_E_ACUTE 0x06
#define CHAR_E_CIRCUMFLEX 0x07
#define CHAR_E_DIAERESIS 0x08
#define CHAR_I_GRAVE 0x09
//#define CHAR_I_ACUTE 0x0A // Is 0x5A instead
#define CHAR_I_CIRCUMFLEX 0x0B
#define CHAR_I_DIAERESIS 0x0C
#define CHAR_O_GRAVE 0x0D
#define CHAR_O_ACUTE 0x0E
#define CHAR_O_CIRCUMFLEX 0x0F
#define CHAR_OE 0x10
#define CHAR_U_GRAVE 0x11
#define CHAR_U_ACUTE 0x12
#define CHAR_U_CIRCUMFLEX 0x13
#define CHAR_N_TILDE 0x14
#define CHAR_ESZETT 0x15
#define CHAR_a_GRAVE 0x16
#define CHAR_a_ACUTE 0x17
//#define CHAR_a_CIRCUMFLEX 0x18 // Is 0x68 instead
#define CHAR_c_CEDILLA 0x19
#define CHAR_e_GRAVE 0x1A
#define CHAR_e_ACUTE 0x1B
#define CHAR_e_CIRCUMFLEX 0x1C
#define CHAR_e_DIAERESIS 0x1D
#define CHAR_i_GRAVE 0x1E
//#define CHAR_i_ACUTE 0x1F // Is 0x6F instead
#define CHAR_i_CIRCUMFLEX 0x20
#define CHAR_i_DIAERESIS 0x21
#define CHAR_o_GRAVE 0x22
#define CHAR_o_ACUTE 0x23
#define CHAR_o_CIRCUMFLEX 0x24
#define CHAR_oe 0x25
#define CHAR_u_GRAVE 0x26
#define CHAR_u_ACUTE 0x27
#define CHAR_u_CIRCUMFLEX 0x28
#define CHAR_n_TILDE 0x29
#define CHAR_MASCULINE_ORDINAL 0x2A
#define CHAR_FEMININE_ORDINAL 0x2B
#define CHAR_SUPER_ER 0x2C
#define CHAR_AMPERSAND 0x2D
#define CHAR_PLUS 0x2E
//
#define CHAR_LV 0x34
#define CHAR_EQUALS 0x35
#define CHAR_SEMICOLON 0x36
#define CHAR_BARD_WORD_DELIMIT 0x37 // Empty space to separate words in Bard's song
#define CHAR_INV_QUESTION_MARK 0x51
#define CHAR_INV_EXCL_MARK 0x52
#define CHAR_PK 0x53
#define CHAR_MN 0x54
#define CHAR_PO 0x55
#define CHAR_KE 0x56
#define CHAR_BLOCK_1 0x57 // Each of these 3
#define CHAR_BLOCK_2 0x58 // chars contains 1/3
#define CHAR_BLOCK_3 0x59 // of the word BLOCK
#define CHAR_I_ACUTE 0x5A
#define CHAR_PERCENT 0x5B
#define CHAR_LEFT_PAREN 0x5C
#define CHAR_RIGHT_PAREN 0x5D
//
#define CHAR_a_CIRCUMFLEX 0x68
//
#define CHAR_i_ACUTE 0x6F
//
#define CHAR_SPACER 0x77 // Empty space
//
#define CHAR_UP_ARROW 0x79
#define CHAR_DOWN_ARROW 0x7A
#define CHAR_LEFT_ARROW 0x7B
#define CHAR_RIGHT_ARROW 0x7C
//
#define CHAR_SUPER_E 0x84
#define CHAR_LESS_THAN 0x85
#define CHAR_GREATER_THAN 0x86
//
#define CHAR_SUPER_RE 0xA0
#define CHAR_0 0xA1
#define CHAR_1 0xA2
#define CHAR_2 0xA3
#define CHAR_3 0xA4
#define CHAR_4 0xA5
#define CHAR_5 0xA6
#define CHAR_6 0xA7
#define CHAR_7 0xA8
#define CHAR_8 0xA9
#define CHAR_9 0xAA
#define CHAR_EXCL_MARK 0xAB
#define CHAR_QUESTION_MARK 0xAC
#define CHAR_PERIOD 0xAD
#define CHAR_HYPHEN 0xAE
#define CHAR_BULLET 0xAF
#define CHAR_ELLIPSIS 0xB0
#define CHAR_DBL_QUOTE_LEFT 0xB1
#define CHAR_DBL_QUOTE_RIGHT 0xB2
#define CHAR_SGL_QUOTE_LEFT 0xB3
#define CHAR_SGL_QUOTE_RIGHT 0xB4
#define CHAR_MALE 0xB5
#define CHAR_FEMALE 0xB6
#define CHAR_CURRENCY 0xB7
#define CHAR_COMMA 0xB8
#define CHAR_MULT_SIGN 0xB9
#define CHAR_SLASH 0xBA
#define CHAR_A 0xBB
#define CHAR_B 0xBC
#define CHAR_C 0xBD
#define CHAR_D 0xBE
#define CHAR_E 0xBF
#define CHAR_F 0xC0
#define CHAR_G 0xC1
#define CHAR_H 0xC2
#define CHAR_I 0xC3
#define CHAR_J 0xC4
#define CHAR_K 0xC5
#define CHAR_L 0xC6
#define CHAR_M 0xC7
#define CHAR_N 0xC8
#define CHAR_O 0xC9
#define CHAR_P 0xCA
#define CHAR_Q 0xCB
#define CHAR_R 0xCC
#define CHAR_S 0xCD
#define CHAR_T 0xCE
#define CHAR_U 0xCF
#define CHAR_V 0xD0
#define CHAR_W 0xD1
#define CHAR_X 0xD2
#define CHAR_Y 0xD3
#define CHAR_Z 0xD4
#define CHAR_a 0xD5
#define CHAR_b 0xD6
#define CHAR_c 0xD7
#define CHAR_d 0xD8
#define CHAR_e 0xD9
#define CHAR_f 0xDA
#define CHAR_g 0xDB
#define CHAR_h 0xDC
#define CHAR_i 0xDD
#define CHAR_j 0xDE
#define CHAR_k 0xDF
#define CHAR_l 0xE0
#define CHAR_m 0xE1
#define CHAR_n 0xE2
#define CHAR_o 0xE3
#define CHAR_p 0xE4
#define CHAR_q 0xE5
#define CHAR_r 0xE6
#define CHAR_s 0xE7
#define CHAR_t 0xE8
#define CHAR_u 0xE9
#define CHAR_v 0xEA
#define CHAR_w 0xEB
#define CHAR_x 0xEC
#define CHAR_y 0xED
#define CHAR_z 0xEE
#define CHAR_BLACK_TRIANGLE 0xEF
#define CHAR_COLON 0xF0
#define CHAR_A_DIAERESIS 0xF1
#define CHAR_O_DIAERESIS 0xF2
#define CHAR_U_DIAERESIS 0xF3
#define CHAR_a_DIAERESIS 0xF4
#define CHAR_o_DIAERESIS 0xF5
#define CHAR_u_DIAERESIS 0xF6
#define CHAR_DYNAMIC 0xF7
#define CHAR_KEYPAD_ICON 0xF8
#define CHAR_EXTRA_SYMBOL 0xF9
#define CHAR_PROMPT_SCROLL 0xFA // waits for button press and scrolls dialog
#define CHAR_PROMPT_CLEAR 0xFB // waits for button press and clears dialog
#define EXT_CTRL_CODE_BEGIN 0xFC // extended control code
#define PLACEHOLDER_BEGIN 0xFD // string placeholder
#define CHAR_NEWLINE 0xFE
#define EOS 0xFF // end of string
// CHAR_KEYPAD_ICON chars
#define CHAR_A_BUTTON 0x00
#define CHAR_B_BUTTON 0x01
#define CHAR_L_BUTTON 0x02
#define CHAR_R_BUTTON 0x03
#define CHAR_START_BUTTON 0x04
#define CHAR_SELECT_BUTTON 0x05
#define CHAR_DPAD_UP 0x06
#define CHAR_DPAD_DOWN 0x07
#define CHAR_DPAD_LEFT 0x08
#define CHAR_DPAD_RIGHT 0x09
#define CHAR_DPAD_UPDOWN 0x0A
#define CHAR_DPAD_LEFTRIGHT 0x0B
#define CHAR_DPAD_NONE 0x0C
// CHAR_EXTRA_SYMBOL chars
#define CHAR_UP_ARROW_2 0x00
#define CHAR_DOWN_ARROW_2 0x01
#define CHAR_LEFT_ARROW_2 0x02
#define CHAR_RIGHT_ARROW_2 0x03
#define CHAR_PLUS_2 0x04
#define CHAR_LV_2 0x05
#define CHAR_PP 0x06
#define CHAR_ID 0x07
#define CHAR_NO 0x08
#define CHAR_UNDERSCORE 0x09
#define EXT_CTRL_CODE_COLOR 0x01
#define EXT_CTRL_CODE_HIGHLIGHT 0x02
#define EXT_CTRL_CODE_SHADOW 0x03
#define EXT_CTRL_CODE_COLOR_HIGHLIGHT_SHADOW 0x04
#define EXT_CTRL_CODE_PALETTE 0x05
#define EXT_CTRL_CODE_FONT 0x06
#define EXT_CTRL_CODE_RESET_SIZE 0x07
#define EXT_CTRL_CODE_PAUSE 0x08
#define EXT_CTRL_CODE_PAUSE_UNTIL_PRESS 0x09
#define EXT_CTRL_CODE_WAIT_SE 0x0A
#define EXT_CTRL_CODE_PLAY_BGM 0x0B
#define EXT_CTRL_CODE_ESCAPE 0x0C
#define EXT_CTRL_CODE_SHIFT_TEXT 0x0D
#define EXT_CTRL_CODE_SHIFT_DOWN 0x0E
#define EXT_CTRL_CODE_FILL_WINDOW 0x0F
#define EXT_CTRL_CODE_PLAY_SE 0x10
#define EXT_CTRL_CODE_CLEAR 0x11
#define EXT_CTRL_CODE_SKIP 0x12
#define EXT_CTRL_CODE_CLEAR_TO 0x13
#define EXT_CTRL_CODE_MIN_LETTER_SPACING 0x14
#define EXT_CTRL_CODE_JPN 0x15
#define EXT_CTRL_CODE_ENG 0x16
#define EXT_CTRL_CODE_PAUSE_MUSIC 0x17
#define EXT_CTRL_CODE_RESUME_MUSIC 0x18
#define TEXT_COLOR_TRANSPARENT 0x0
#define TEXT_COLOR_WHITE 0x1
#define TEXT_COLOR_DARK_GRAY 0x2
#define TEXT_COLOR_LIGHT_GRAY 0x3
#define TEXT_COLOR_RED 0x4
#define TEXT_COLOR_LIGHT_RED 0x5
#define TEXT_COLOR_GREEN 0x6
#define TEXT_COLOR_LIGHT_GREEN 0x7
#define TEXT_COLOR_BLUE 0x8
#define TEXT_COLOR_LIGHT_BLUE 0x9
#define TEXT_DYNAMIC_COLOR_1 0xA // Usually white
#define TEXT_DYNAMIC_COLOR_2 0xB // Usually white w/ tinge of green
#define TEXT_DYNAMIC_COLOR_3 0xC // Usually white
#define TEXT_DYNAMIC_COLOR_4 0xD // Usually aquamarine
#define TEXT_DYNAMIC_COLOR_5 0xE // Usually blue-green
#define TEXT_DYNAMIC_COLOR_6 0xF // Usually cerulean
#define PLACEHOLDER_ID_UNKNOWN 0x0
#define PLACEHOLDER_ID_PLAYER 0x1
#define PLACEHOLDER_ID_STRING_VAR_1 0x2
#define PLACEHOLDER_ID_STRING_VAR_2 0x3
#define PLACEHOLDER_ID_STRING_VAR_3 0x4
#define PLACEHOLDER_ID_KUN 0x5
#define PLACEHOLDER_ID_RIVAL 0x6
#define PLACEHOLDER_ID_VERSION 0x7
#define PLACEHOLDER_ID_AQUA 0x8
#define PLACEHOLDER_ID_MAGMA 0x9
#define PLACEHOLDER_ID_ARCHIE 0xA
#define PLACEHOLDER_ID_MAXIE 0xB
#define PLACEHOLDER_ID_KYOGRE 0xC
#define PLACEHOLDER_ID_GROUDON 0xD
// battle placeholders are located in battle_message.h
// Hiragana from 0x1-0x50, Katakana from 0x51-0xA0.
// This excludes Japanese punctuation, which end at 0xB0
#define JAPANESE_CHAR_END 0xA0
// Note that while all dot combinations are represented in
// the Braille font, they are not all meaningful characters.
// Only those that have direct single-character translations are listed.
#define BRAILLE_CHAR_SPACE 0x00
#define BRAILLE_CHAR_A 0x01
//
#define BRAILLE_CHAR_C 0x03
#define BRAILLE_CHAR_COMMA 0x04
#define BRAILLE_CHAR_B 0x05
#define BRAILLE_CHAR_I 0x06
#define BRAILLE_CHAR_F 0x07
//
#define BRAILLE_CHAR_E 0x09
//
#define BRAILLE_CHAR_D 0x0B
#define BRAILLE_CHAR_COLON 0x0C
#define BRAILLE_CHAR_H 0x0D
#define BRAILLE_CHAR_J 0x0E
#define BRAILLE_CHAR_G 0x0F
#define BRAILLE_CHAR_APOSTROPHE 0x10
#define BRAILLE_CHAR_K 0x11
#define BRAILLE_CHAR_SLASH 0x12
#define BRAILLE_CHAR_M 0x13
#define BRAILLE_CHAR_SEMICOLON 0x14
#define BRAILLE_CHAR_L 0x15
#define BRAILLE_CHAR_S 0x16
#define BRAILLE_CHAR_P 0x17
//
#define BRAILLE_CHAR_O 0x19
//
#define BRAILLE_CHAR_N 0x1B
#define BRAILLE_CHAR_EXCL_MARK 0x1C
#define BRAILLE_CHAR_R 0x1D
#define BRAILLE_CHAR_T 0x1E
#define BRAILLE_CHAR_Q 0x1F
//
#define BRAILLE_CHAR_PERIOD 0x2C
//
#define BRAILLE_CHAR_W 0x2E
//
#define BRAILLE_CHAR_HYPHEN 0x30
#define BRAILLE_CHAR_U 0x31
//
#define BRAILLE_CHAR_X 0x33
#define BRAILLE_CHAR_QUESTION_MARK 0x34 // Also double quote left
#define BRAILLE_CHAR_V 0x35
//
#define BRAILLE_CHAR_DBL_QUOTE_RIGHT 0x38
#define BRAILLE_CHAR_Z 0x39
#define BRAILLE_CHAR_NUMBER 0x3A
#define BRAILLE_CHAR_Y 0x3B
#define BRAILLE_CHAR_PAREN 0x3C
//
#define NUM_BRAILLE_CHARS 0x40
// Digits must be preceded by BRAILLE_CHAR_NUMBER
#define BRAILLE_CHAR_1 BRAILLE_CHAR_A
#define BRAILLE_CHAR_2 BRAILLE_CHAR_B
#define BRAILLE_CHAR_3 BRAILLE_CHAR_C
#define BRAILLE_CHAR_4 BRAILLE_CHAR_D
#define BRAILLE_CHAR_5 BRAILLE_CHAR_E
#define BRAILLE_CHAR_6 BRAILLE_CHAR_F
#define BRAILLE_CHAR_7 BRAILLE_CHAR_G
#define BRAILLE_CHAR_8 BRAILLE_CHAR_H
#define BRAILLE_CHAR_9 BRAILLE_CHAR_I
#define BRAILLE_CHAR_0 BRAILLE_CHAR_J
#endif // GUARD_CHARACTERS_H

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#ifndef GUARD_DMA3_H
#define GUARD_DMA3_H
// Maximum amount of data we will transfer in one operation
#define MAX_DMA_BLOCK_SIZE 0x1000
#define Dma3CopyLarge_(src, dest, size, bit) \
{ \
const void *_src = src; \
void *_dest = dest; \
u32 _size = size; \
while (1) \
{ \
if (_size <= MAX_DMA_BLOCK_SIZE) \
{ \
DmaCopy##bit(3, _src, _dest, _size); \
break; \
} \
DmaCopy##bit(3, _src, _dest, MAX_DMA_BLOCK_SIZE); \
_src += MAX_DMA_BLOCK_SIZE; \
_dest += MAX_DMA_BLOCK_SIZE; \
_size -= MAX_DMA_BLOCK_SIZE; \
} \
}
#define Dma3CopyLarge16_(src, dest, size) Dma3CopyLarge_(src, dest, size, 16)
#define Dma3CopyLarge32_(src, dest, size) Dma3CopyLarge_(src, dest, size, 32)
#define Dma3FillLarge_(value, dest, size, bit) \
{ \
void *_dest = dest; \
u32 _size = size; \
while (1) \
{ \
if (_size <= MAX_DMA_BLOCK_SIZE) \
{ \
DmaFill##bit(3, value, _dest, _size); \
break; \
} \
DmaFill##bit(3, value, _dest, MAX_DMA_BLOCK_SIZE); \
_dest += MAX_DMA_BLOCK_SIZE; \
_size -= MAX_DMA_BLOCK_SIZE; \
} \
}
#define Dma3FillLarge16_(value, dest, size) Dma3FillLarge_(value, dest, size, 16)
#define Dma3FillLarge32_(value, dest, size) Dma3FillLarge_(value, dest, size, 32)
void ClearDma3Requests(void);
void ProcessDma3Requests(void);
s16 RequestDma3Copy(const void *src, void *dest, u16 size, u8 mode);
s16 RequestDma3Fill(s32 value, void *dest, u16 size, u8 mode);
s16 CheckForSpaceForDma3Request(s16 index);
#endif // GUARD_DMA3_H

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#include "global.h"
#include "dma3.h"
#define MAX_DMA_REQUESTS 128
#define DMA_REQUEST_COPY32 1
#define DMA_REQUEST_FILL32 2
#define DMA_REQUEST_COPY16 3
#define DMA_REQUEST_FILL16 4
struct Dma3Request
{
const u8 *src;
u8 *dest;
u16 size;
u16 mode;
u32 value;
};
static struct Dma3Request sDma3Requests[MAX_DMA_REQUESTS];
static vbool8 sDma3ManagerLocked;
static u8 sDma3RequestCursor;
void ClearDma3Requests(void)
{
int i;
sDma3ManagerLocked = TRUE;
sDma3RequestCursor = 0;
for (i = 0; i < MAX_DMA_REQUESTS; i++)
{
sDma3Requests[i].size = 0;
sDma3Requests[i].src = NULL;
sDma3Requests[i].dest = NULL;
}
sDma3ManagerLocked = FALSE;
}
void ProcessDma3Requests(void)
{
u16 bytesTransferred;
if (sDma3ManagerLocked)
return;
bytesTransferred = 0;
// as long as there are DMA requests to process (unless size or vblank is an issue), do not exit
while (sDma3Requests[sDma3RequestCursor].size != 0)
{
bytesTransferred += sDma3Requests[sDma3RequestCursor].size;
if (bytesTransferred > 40 * 1024)
return; // don't transfer more than 40 KiB
if (*(u8 *)REG_ADDR_VCOUNT > 224)
return; // we're about to leave vblank, stop
switch (sDma3Requests[sDma3RequestCursor].mode)
{
case DMA_REQUEST_COPY32: // regular 32-bit copy
Dma3CopyLarge32_(sDma3Requests[sDma3RequestCursor].src,
sDma3Requests[sDma3RequestCursor].dest,
sDma3Requests[sDma3RequestCursor].size);
break;
case DMA_REQUEST_FILL32: // repeat a single 32-bit value across RAM
Dma3FillLarge32_(sDma3Requests[sDma3RequestCursor].value,
sDma3Requests[sDma3RequestCursor].dest,
sDma3Requests[sDma3RequestCursor].size);
break;
case DMA_REQUEST_COPY16: // regular 16-bit copy
Dma3CopyLarge16_(sDma3Requests[sDma3RequestCursor].src,
sDma3Requests[sDma3RequestCursor].dest,
sDma3Requests[sDma3RequestCursor].size);
break;
case DMA_REQUEST_FILL16: // repeat a single 16-bit value across RAM
Dma3FillLarge16_(sDma3Requests[sDma3RequestCursor].value,
sDma3Requests[sDma3RequestCursor].dest,
sDma3Requests[sDma3RequestCursor].size);
break;
}
// Free the request
sDma3Requests[sDma3RequestCursor].src = NULL;
sDma3Requests[sDma3RequestCursor].dest = NULL;
sDma3Requests[sDma3RequestCursor].size = 0;
sDma3Requests[sDma3RequestCursor].mode = 0;
sDma3Requests[sDma3RequestCursor].value = 0;
sDma3RequestCursor++;
if (sDma3RequestCursor >= MAX_DMA_REQUESTS) // loop back to the first DMA request
sDma3RequestCursor = 0;
}
}
s16 RequestDma3Copy(const void *src, void *dest, u16 size, u8 mode)
{
int cursor;
int i = 0;
sDma3ManagerLocked = TRUE;
cursor = sDma3RequestCursor;
while (i < MAX_DMA_REQUESTS)
{
if (sDma3Requests[cursor].size == 0) // an empty request was found.
{
sDma3Requests[cursor].src = src;
sDma3Requests[cursor].dest = dest;
sDma3Requests[cursor].size = size;
if (mode == 1)
sDma3Requests[cursor].mode = DMA_REQUEST_COPY32;
else
sDma3Requests[cursor].mode = DMA_REQUEST_COPY16;
sDma3ManagerLocked = FALSE;
return cursor;
}
if (++cursor >= MAX_DMA_REQUESTS) // loop back to start.
cursor = 0;
i++;
}
sDma3ManagerLocked = FALSE;
return -1; // no free DMA request was found
}
s16 RequestDma3Fill(s32 value, void *dest, u16 size, u8 mode)
{
int cursor;
int i = 0;
cursor = sDma3RequestCursor;
sDma3ManagerLocked = TRUE;
while (i < MAX_DMA_REQUESTS)
{
if (sDma3Requests[cursor].size == 0) // an empty request was found.
{
sDma3Requests[cursor].dest = dest;
sDma3Requests[cursor].size = size;
sDma3Requests[cursor].mode = mode;
sDma3Requests[cursor].value = value;
if(mode == 1)
sDma3Requests[cursor].mode = DMA_REQUEST_FILL32;
else
sDma3Requests[cursor].mode = DMA_REQUEST_FILL16;
sDma3ManagerLocked = FALSE;
return cursor;
}
if (++cursor >= MAX_DMA_REQUESTS) // loop back to start.
cursor = 0;
i++;
}
sDma3ManagerLocked = FALSE;
return -1; // no free DMA request was found
}
s16 CheckForSpaceForDma3Request(s16 index)
{
int i = 0;
if (index == -1) // check if all requests are free
{
while (i < MAX_DMA_REQUESTS)
{
if (sDma3Requests[i].size != 0)
return -1;
i++;
}
return 0;
}
else // check the specified request
{
if (sDma3Requests[index].size != 0)
return -1;
return 0;
}
}

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#include "global.h"
#include "gpu_regs.h"
#define GPU_REG_BUF_SIZE 0x60
#define GPU_REG_BUF(offset) (*(u16 *)(&sGpuRegBuffer[offset]))
#define GPU_REG(offset) (*(vu16 *)(REG_BASE + offset))
#define EMPTY_SLOT 0xFF
static u8 sGpuRegBuffer[GPU_REG_BUF_SIZE];
static u8 sGpuRegWaitingList[GPU_REG_BUF_SIZE];
static volatile bool8 sGpuRegBufferLocked;
static volatile bool8 sShouldSyncRegIE;
static vu16 sRegIE;
static void CopyBufferedValueToGpuReg(u8 regOffset);
static void SyncRegIE(void);
static void UpdateRegDispstatIntrBits(u16 regIE);
void InitGpuRegManager(void)
{
s32 i;
for (i = 0; i < GPU_REG_BUF_SIZE; i++)
{
sGpuRegBuffer[i] = 0;
sGpuRegWaitingList[i] = EMPTY_SLOT;
}
sGpuRegBufferLocked = FALSE;
sShouldSyncRegIE = FALSE;
sRegIE = 0;
}
static void CopyBufferedValueToGpuReg(u8 regOffset)
{
if (regOffset == REG_OFFSET_DISPSTAT)
{
REG_DISPSTAT &= ~(DISPSTAT_HBLANK_INTR | DISPSTAT_VBLANK_INTR);
REG_DISPSTAT |= GPU_REG_BUF(REG_OFFSET_DISPSTAT);
}
else
{
GPU_REG(regOffset) = GPU_REG_BUF(regOffset);
}
}
void CopyBufferedValuesToGpuRegs(void)
{
if (!sGpuRegBufferLocked)
{
s32 i;
for (i = 0; i < GPU_REG_BUF_SIZE; i++)
{
u8 regOffset = sGpuRegWaitingList[i];
if (regOffset == EMPTY_SLOT)
return;
CopyBufferedValueToGpuReg(regOffset);
sGpuRegWaitingList[i] = EMPTY_SLOT;
}
}
}
void SetGpuReg(u8 regOffset, u16 value)
{
if (regOffset < GPU_REG_BUF_SIZE)
{
u16 vcount;
GPU_REG_BUF(regOffset) = value;
vcount = REG_VCOUNT & 0xFF;
if ((vcount >= 161 && vcount <= 225) || (REG_DISPCNT & DISPCNT_FORCED_BLANK))
{
CopyBufferedValueToGpuReg(regOffset);
}
else
{
s32 i;
sGpuRegBufferLocked = TRUE;
for (i = 0; i < GPU_REG_BUF_SIZE && sGpuRegWaitingList[i] != EMPTY_SLOT; i++)
{
if (sGpuRegWaitingList[i] == regOffset)
{
sGpuRegBufferLocked = FALSE;
return;
}
}
sGpuRegWaitingList[i] = regOffset;
sGpuRegBufferLocked = FALSE;
}
}
}
void SetGpuReg_ForcedBlank(u8 regOffset, u16 value)
{
if (regOffset < GPU_REG_BUF_SIZE)
{
GPU_REG_BUF(regOffset) = value;
if (REG_DISPCNT & DISPCNT_FORCED_BLANK)
{
CopyBufferedValueToGpuReg(regOffset);
}
else
{
s32 i;
sGpuRegBufferLocked = TRUE;
for (i = 0; i < GPU_REG_BUF_SIZE && sGpuRegWaitingList[i] != EMPTY_SLOT; i++)
{
if (sGpuRegWaitingList[i] == regOffset)
{
sGpuRegBufferLocked = FALSE;
return;
}
}
sGpuRegWaitingList[i] = regOffset;
sGpuRegBufferLocked = FALSE;
}
}
}
u16 GetGpuReg(u8 regOffset)
{
if (regOffset == REG_OFFSET_DISPSTAT)
return REG_DISPSTAT;
if (regOffset == REG_OFFSET_VCOUNT)
return REG_VCOUNT;
return GPU_REG_BUF(regOffset);
}
void SetGpuRegBits(u8 regOffset, u16 mask)
{
u16 regValue = GPU_REG_BUF(regOffset);
SetGpuReg(regOffset, regValue | mask);
}
void ClearGpuRegBits(u8 regOffset, u16 mask)
{
u16 regValue = GPU_REG_BUF(regOffset);
SetGpuReg(regOffset, regValue & ~mask);
}
static void SyncRegIE(void)
{
if (sShouldSyncRegIE)
{
u16 temp = REG_IME;
REG_IME = 0;
REG_IE = sRegIE;
REG_IME = temp;
sShouldSyncRegIE = FALSE;
}
}
void EnableInterrupts(u16 mask)
{
sRegIE |= mask;
sShouldSyncRegIE = TRUE;
SyncRegIE();
UpdateRegDispstatIntrBits(sRegIE);
}
void DisableInterrupts(u16 mask)
{
sRegIE &= ~mask;
sShouldSyncRegIE = TRUE;
SyncRegIE();
UpdateRegDispstatIntrBits(sRegIE);
}
static void UpdateRegDispstatIntrBits(u16 regIE)
{
u16 oldValue = GetGpuReg(REG_OFFSET_DISPSTAT) & (DISPSTAT_HBLANK_INTR | DISPSTAT_VBLANK_INTR);
u16 newValue = 0;
if (regIE & INTR_FLAG_VBLANK)
newValue |= DISPSTAT_VBLANK_INTR;
if (regIE & INTR_FLAG_HBLANK)
newValue |= DISPSTAT_HBLANK_INTR;
if (oldValue != newValue)
SetGpuReg(REG_OFFSET_DISPSTAT, newValue);
}

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#ifndef GUARD_GPU_REGS_H
#define GUARD_GPU_REGS_H
// Exported type declarations
// Exported RAM declarations
// Exported ROM declarations
void InitGpuRegManager(void);
void CopyBufferedValuesToGpuRegs(void);
void SetGpuReg(u8 regOffset, u16 value);
void SetGpuReg_ForcedBlank(u8 regOffset, u16 value);
u16 GetGpuReg(u8 regOffset);
void SetGpuRegBits(u8 regOffset, u16 mask);
void ClearGpuRegBits(u8 regOffset, u16 mask);
void EnableInterrupts(u16 mask);
void DisableInterrupts(u16 mask);
#endif //GUARD_GPU_REGS_H

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#include "global.h"
#include "io_reg.h"
#include "gba/io_reg.h"
static const u32 sUnused[] = {
0,
0,
(1 << 26) | (1 << 3),
(1 << 26) | (1 << 3) | (1 << 1),
(1 << 26) | (1 << 3) | (1 << 2),
(1 << 26) | (1 << 3) | (1 << 2) | (1 << 1),
(1 << 26) | (1 << 4),
(1 << 26) | (1 << 4) | (1 << 2),
(1 << 26) | (1 << 4) | (1 << 3),
(1 << 26) | (1 << 4) | (1 << 3) | (1 << 2),
(1 << 26) | (1 << 4) | (1 << 1),
(1 << 26) | (1 << 4) | (1 << 2) | (1 << 1),
(1 << 26) | (1 << 4) | (1 << 3) | (1 << 1),
(1 << 26) | (1 << 4) | (1 << 3) | (1 << 2) | (1 << 1),
(1 << 25) | (1 << 8),
(1 << 27) | (1 << 10),
};
const u16 gOverworldBackgroundLayerFlags[] = {
BLDCNT_TGT2_BG0,
BLDCNT_TGT2_BG1,
BLDCNT_TGT2_BG2,
BLDCNT_TGT2_BG3,
};
const u16 gOrbEffectBackgroundLayerFlags[] = {
BLDCNT_TGT1_BG0,
BLDCNT_TGT1_BG1,
BLDCNT_TGT1_BG2,
BLDCNT_TGT1_BG3,
};

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#ifndef GUARD_IO_REG_H
#define GUARD_IO_REG_H
extern const u16 gOverworldBackgroundLayerFlags[];
extern const u16 gOrbEffectBackgroundLayerFlags[];
#endif // GUARD_IO_REG_H

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#include "global.h"
static void *sHeapStart;
static u32 sHeapSize;
#define MALLOC_SYSTEM_ID 0xA3A3
struct MemBlock {
// Whether this block is currently allocated.
bool16 flag;
// Magic number used for error checking. Should equal MALLOC_SYSTEM_ID.
u16 magic;
// Size of the block (not including this header struct).
u32 size;
// Previous block pointer. Equals sHeapStart if this is the first block.
struct MemBlock *prev;
// Next block pointer. Equals sHeapStart if this is the last block.
struct MemBlock *next;
// Data in the memory block. (Arrays of length 0 are a GNU extension.)
u8 data[0];
};
void PutMemBlockHeader(void *block, struct MemBlock *prev, struct MemBlock *next, u32 size)
{
struct MemBlock *header = (struct MemBlock *)block;
header->flag = FALSE;
header->magic = MALLOC_SYSTEM_ID;
header->size = size;
header->prev = prev;
header->next = next;
}
void PutFirstMemBlockHeader(void *block, u32 size)
{
PutMemBlockHeader(block, (struct MemBlock *)block, (struct MemBlock *)block, size - sizeof(struct MemBlock));
}
void *AllocInternal(void *heapStart, u32 size)
{
struct MemBlock *pos = (struct MemBlock *)heapStart;
struct MemBlock *head = pos;
struct MemBlock *splitBlock;
u32 foundBlockSize;
// Alignment
if (size & 3)
size = 4 * ((size / 4) + 1);
for (;;) {
// Loop through the blocks looking for unused block that's big enough.
if (!pos->flag) {
foundBlockSize = pos->size;
if (foundBlockSize >= size) {
if (foundBlockSize - size < 2 * sizeof(struct MemBlock)) {
// The block isn't much bigger than the requested size,
// so just use it.
pos->flag = TRUE;
} else {
// The block is significantly bigger than the requested
// size, so split the rest into a separate block.
foundBlockSize -= sizeof(struct MemBlock);
foundBlockSize -= size;
splitBlock = (struct MemBlock *)(pos->data + size);
pos->flag = TRUE;
pos->size = size;
PutMemBlockHeader(splitBlock, pos, pos->next, foundBlockSize);
pos->next = splitBlock;
if (splitBlock->next != head)
splitBlock->next->prev = splitBlock;
}
return pos->data;
}
}
if (pos->next == head)
return NULL;
pos = pos->next;
}
}
void FreeInternal(void *heapStart, void *pointer)
{
if (pointer) {
struct MemBlock *head = (struct MemBlock *)heapStart;
struct MemBlock *block = (struct MemBlock *)((u8 *)pointer - sizeof(struct MemBlock));
block->flag = FALSE;
// If the freed block isn't the last one, merge with the next block
// if it's not in use.
if (block->next != head) {
if (!block->next->flag) {
block->size += sizeof(struct MemBlock) + block->next->size;
block->next->magic = 0;
block->next = block->next->next;
if (block->next != head)
block->next->prev = block;
}
}
// If the freed block isn't the first one, merge with the previous block
// if it's not in use.
if (block != head) {
if (!block->prev->flag) {
block->prev->next = block->next;
if (block->next != head)
block->next->prev = block->prev;
block->magic = 0;
block->prev->size += sizeof(struct MemBlock) + block->size;
}
}
}
}
void *AllocZeroedInternal(void *heapStart, u32 size)
{
void *mem = AllocInternal(heapStart, size);
if (mem != NULL) {
if (size & 3)
size = 4 * ((size / 4) + 1);
CpuFill32(0, mem, size);
}
return mem;
}
bool32 CheckMemBlockInternal(void *heapStart, void *pointer)
{
struct MemBlock *head = (struct MemBlock *)heapStart;
struct MemBlock *block = (struct MemBlock *)((u8 *)pointer - sizeof(struct MemBlock));
if (block->magic != MALLOC_SYSTEM_ID)
return FALSE;
if (block->next->magic != MALLOC_SYSTEM_ID)
return FALSE;
if (block->next != head && block->next->prev != block)
return FALSE;
if (block->prev->magic != MALLOC_SYSTEM_ID)
return FALSE;
if (block->prev != head && block->prev->next != block)
return FALSE;
if (block->next != head && block->next != (struct MemBlock *)(block->data + block->size))
return FALSE;
return TRUE;
}
void InitHeap(void *heapStart, u32 heapSize)
{
sHeapStart = heapStart;
sHeapSize = heapSize;
PutFirstMemBlockHeader(heapStart, heapSize);
}
void *Alloc(u32 size)
{
return AllocInternal(sHeapStart, size);
}
void *AllocZeroed(u32 size)
{
return AllocZeroedInternal(sHeapStart, size);
}
void Free(void *pointer)
{
FreeInternal(sHeapStart, pointer);
}
bool32 CheckMemBlock(void *pointer)
{
return CheckMemBlockInternal(sHeapStart, pointer);
}
bool32 CheckHeap()
{
struct MemBlock *pos = (struct MemBlock *)sHeapStart;
do {
if (!CheckMemBlockInternal(sHeapStart, pos->data))
return FALSE;
pos = pos->next;
} while (pos != (struct MemBlock *)sHeapStart);
return TRUE;
}

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#ifndef GUARD_ALLOC_H
#define GUARD_ALLOC_H
#define HEAP_SIZE 0x1C000
#define malloc Alloc
#define calloc(ct, sz) AllocZeroed((ct) * (sz))
#define free Free
#define FREE_AND_SET_NULL(ptr) \
{ \
free(ptr); \
ptr = NULL; \
}
#define TRY_FREE_AND_SET_NULL(ptr) if (ptr != NULL) FREE_AND_SET_NULL(ptr)
extern u8 gHeap[];
void *Alloc(u32 size);
void *AllocZeroed(u32 size);
void Free(void *pointer);
void InitHeap(void *pointer, u32 size);
#endif // GUARD_ALLOC_H

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#include "global.h"
#include "sprite.h"
#include "main.h"
#include "palette.h"
#define MAX_SPRITE_COPY_REQUESTS 64
#define OAM_MATRIX_COUNT 32
#define sAnchorX data[6]
#define sAnchorY data[7]
#define SET_SPRITE_TILE_RANGE(index, start, count) \
{ \
sSpriteTileRanges[index * 2] = start; \
(sSpriteTileRanges + 1)[index * 2] = count; \
}
#define ALLOC_SPRITE_TILE(n) \
{ \
sSpriteTileAllocBitmap[(n) / 8] |= (1 << ((n) % 8)); \
}
#define FREE_SPRITE_TILE(n) \
{ \
sSpriteTileAllocBitmap[(n) / 8] &= ~(1 << ((n) % 8)); \
}
#define SPRITE_TILE_IS_ALLOCATED(n) ((sSpriteTileAllocBitmap[(n) / 8] >> ((n) % 8)) & 1)
struct SpriteCopyRequest
{
const u8 *src;
u8 *dest;
u16 size;
};
struct OamDimensions32
{
s32 width;
s32 height;
};
struct OamDimensions
{
s8 width;
s8 height;
};
static void UpdateOamCoords(void);
static void BuildSpritePriorities(void);
static void SortSprites(void);
static void CopyMatricesToOamBuffer(void);
static void AddSpritesToOamBuffer(void);
static u8 CreateSpriteAt(u8 index, const struct SpriteTemplate *template, s16 x, s16 y, u8 subpriority);
static void ResetOamMatrices(void);
static void ResetSprite(struct Sprite *sprite);
static s16 AllocSpriteTiles(u16 tileCount);
static void RequestSpriteFrameImageCopy(u16 index, u16 tileNum, const struct SpriteFrameImage *images);
static void ResetAllSprites(void);
static void BeginAnim(struct Sprite *sprite);
static void ContinueAnim(struct Sprite *sprite);
static void AnimCmd_frame(struct Sprite *sprite);
static void AnimCmd_end(struct Sprite *sprite);
static void AnimCmd_jump(struct Sprite *sprite);
static void AnimCmd_loop(struct Sprite *sprite);
static void BeginAnimLoop(struct Sprite *sprite);
static void ContinueAnimLoop(struct Sprite *sprite);
static void JumpToTopOfAnimLoop(struct Sprite *sprite);
static void BeginAffineAnim(struct Sprite *sprite);
static void ContinueAffineAnim(struct Sprite *sprite);
static void AffineAnimDelay(u8 matrixNum, struct Sprite *sprite);
static void AffineAnimCmd_loop(u8 matrixNum, struct Sprite *sprite);
static void BeginAffineAnimLoop(u8 matrixNum, struct Sprite *sprite);
static void ContinueAffineAnimLoop(u8 matrixNum, struct Sprite *sprite);
static void JumpToTopOfAffineAnimLoop(u8 matrixNum, struct Sprite *sprite);
static void AffineAnimCmd_jump(u8 matrixNum, struct Sprite *sprite);
static void AffineAnimCmd_end(u8 matrixNum, struct Sprite *sprite);
static void AffineAnimCmd_frame(u8 matrixNum, struct Sprite *sprite);
static void CopyOamMatrix(u8 destMatrixIndex, struct OamMatrix *srcMatrix);
static u8 GetSpriteMatrixNum(struct Sprite *sprite);
static void SetSpriteOamFlipBits(struct Sprite *sprite, u8 hFlip, u8 vFlip);
static void AffineAnimStateRestartAnim(u8 matrixNum);
static void AffineAnimStateStartAnim(u8 matrixNum, u8 animNum);
static void AffineAnimStateReset(u8 matrixNum);
static void ApplyAffineAnimFrameAbsolute(u8 matrixNum, struct AffineAnimFrameCmd *frameCmd);
static void DecrementAnimDelayCounter(struct Sprite *sprite);
static bool8 DecrementAffineAnimDelayCounter(struct Sprite *sprite, u8 matrixNum);
static void ApplyAffineAnimFrameRelativeAndUpdateMatrix(u8 matrixNum, struct AffineAnimFrameCmd *frameCmd);
static s16 ConvertScaleParam(s16 scale);
static void GetAffineAnimFrame(u8 matrixNum, struct Sprite *sprite, struct AffineAnimFrameCmd *frameCmd);
static void ApplyAffineAnimFrame(u8 matrixNum, struct AffineAnimFrameCmd *frameCmd);
static u8 IndexOfSpriteTileTag(u16 tag);
static void AllocSpriteTileRange(u16 tag, u16 start, u16 count);
static void DoLoadSpritePalette(const u16 *src, u16 paletteOffset);
static void UpdateSpriteMatrixAnchorPos(struct Sprite* sprite, s32 a1, s32 a2);
typedef void (*AnimFunc)(struct Sprite *);
typedef void (*AnimCmdFunc)(struct Sprite *);
typedef void (*AffineAnimCmdFunc)(u8 matrixNum, struct Sprite *);
#define DUMMY_OAM_DATA \
{ \
.y = DISPLAY_HEIGHT, \
.affineMode = 0, \
.objMode = 0, \
.mosaic = 0, \
.bpp = 0, \
.shape = SPRITE_SHAPE(8x8), \
.x = DISPLAY_WIDTH + 64, \
.matrixNum = 0, \
.size = SPRITE_SIZE(8x8), \
.tileNum = 0, \
.priority = 3, /* lowest priority */ \
.paletteNum = 0, \
.affineParam = 0 \
}
#define ANIM_END 0xFFFF
#define AFFINE_ANIM_END 0x7FFF
// forward declarations
const union AnimCmd * const gDummySpriteAnimTable[];
const union AffineAnimCmd * const gDummySpriteAffineAnimTable[];
const struct SpriteTemplate gDummySpriteTemplate;
// Unreferenced data. Also unreferenced in R/S.
static const u8 sUnknownData[24] =
{
0x01, 0x04, 0x10, 0x40,
0x02, 0x04, 0x08, 0x20,
0x02, 0x04, 0x08, 0x20,
0x01, 0x04, 0x10, 0x40,
0x02, 0x04, 0x08, 0x20,
0x02, 0x04, 0x08, 0x20,
};
static const u8 sCenterToCornerVecTable[3][4][2] =
{
{ // square
{ -4, -4 },
{ -8, -8 },
{ -16, -16 },
{ -32, -32 },
},
{ // horizontal rectangle
{ -8, -4 },
{ -16, -4 },
{ -16, -8 },
{ -32, -16 },
},
{ // vertical rectangle
{ -4, -8 },
{ -4, -16 },
{ -8, -16 },
{ -16, -32 },
},
};
static const struct Sprite sDummySprite =
{
.oam = DUMMY_OAM_DATA,
.anims = gDummySpriteAnimTable,
.affineAnims = gDummySpriteAffineAnimTable,
.template = &gDummySpriteTemplate,
.callback = SpriteCallbackDummy,
.x = DISPLAY_WIDTH + 64,
.y = DISPLAY_HEIGHT,
.subpriority = 0xFF
};
const struct OamData gDummyOamData = DUMMY_OAM_DATA;
static const union AnimCmd sDummyAnim = { ANIM_END };
const union AnimCmd * const gDummySpriteAnimTable[] = { &sDummyAnim };
static const union AffineAnimCmd sDummyAffineAnim = { AFFINE_ANIM_END };
const union AffineAnimCmd * const gDummySpriteAffineAnimTable[] = { &sDummyAffineAnim };
const struct SpriteTemplate gDummySpriteTemplate =
{
.tileTag = 0,
.paletteTag = TAG_NONE,
.oam = &gDummyOamData,
.anims = gDummySpriteAnimTable,
.images = NULL,
.affineAnims = gDummySpriteAffineAnimTable,
.callback = SpriteCallbackDummy
};
static const AnimFunc sAnimFuncs[] =
{
ContinueAnim,
BeginAnim,
};
static const AnimFunc sAffineAnimFuncs[] =
{
ContinueAffineAnim,
BeginAffineAnim,
};
static const AnimCmdFunc sAnimCmdFuncs[] =
{
AnimCmd_loop,
AnimCmd_jump,
AnimCmd_end,
AnimCmd_frame,
};
static const AffineAnimCmdFunc sAffineAnimCmdFuncs[] =
{
AffineAnimCmd_loop,
AffineAnimCmd_jump,
AffineAnimCmd_end,
AffineAnimCmd_frame,
};
static const struct OamDimensions32 sOamDimensions32[3][4] =
{
[ST_OAM_SQUARE] =
{
[SPRITE_SIZE(8x8)] = { 8, 8 },
[SPRITE_SIZE(16x16)] = { 16, 16 },
[SPRITE_SIZE(32x32)] = { 32, 32 },
[SPRITE_SIZE(64x64)] = { 64, 64 },
},
[ST_OAM_H_RECTANGLE] =
{
[SPRITE_SIZE(16x8)] = { 16, 8 },
[SPRITE_SIZE(32x8)] = { 32, 8 },
[SPRITE_SIZE(32x16)] = { 32, 16 },
[SPRITE_SIZE(64x32)] = { 64, 32 },
},
[ST_OAM_V_RECTANGLE] =
{
[SPRITE_SIZE(8x16)] = { 8, 16 },
[SPRITE_SIZE(8x32)] = { 8, 32 },
[SPRITE_SIZE(16x32)] = { 16, 32 },
[SPRITE_SIZE(32x64)] = { 32, 64 },
},
};
static const struct OamDimensions sOamDimensions[3][4] =
{
[ST_OAM_SQUARE] =
{
[SPRITE_SIZE(8x8)] = { 8, 8 },
[SPRITE_SIZE(16x16)] = { 16, 16 },
[SPRITE_SIZE(32x32)] = { 32, 32 },
[SPRITE_SIZE(64x64)] = { 64, 64 },
},
[ST_OAM_H_RECTANGLE] =
{
[SPRITE_SIZE(16x8)] = { 16, 8 },
[SPRITE_SIZE(32x8)] = { 32, 8 },
[SPRITE_SIZE(32x16)] = { 32, 16 },
[SPRITE_SIZE(64x32)] = { 64, 32 },
},
[ST_OAM_V_RECTANGLE] =
{
[SPRITE_SIZE(8x16)] = { 8, 16 },
[SPRITE_SIZE(8x32)] = { 8, 32 },
[SPRITE_SIZE(16x32)] = { 16, 32 },
[SPRITE_SIZE(32x64)] = { 32, 64 },
},
};
// iwram bss
static u16 sSpriteTileRangeTags[MAX_SPRITES];
static u16 sSpriteTileRanges[MAX_SPRITES * 2];
static struct AffineAnimState sAffineAnimStates[OAM_MATRIX_COUNT];
static u16 sSpritePaletteTags[16];
// iwram common
u32 gOamMatrixAllocBitmap;
u8 gReservedSpritePaletteCount;
EWRAM_DATA struct Sprite gSprites[MAX_SPRITES + 1] = {0};
EWRAM_DATA static u16 sSpritePriorities[MAX_SPRITES] = {0};
EWRAM_DATA static u8 sSpriteOrder[MAX_SPRITES] = {0};
EWRAM_DATA static bool8 sShouldProcessSpriteCopyRequests = 0;
EWRAM_DATA static u8 sSpriteCopyRequestCount = 0;
EWRAM_DATA static struct SpriteCopyRequest sSpriteCopyRequests[MAX_SPRITES] = {0};
EWRAM_DATA u8 gOamLimit = 0;
EWRAM_DATA u16 gReservedSpriteTileCount = 0;
EWRAM_DATA static u8 sSpriteTileAllocBitmap[128] = {0};
EWRAM_DATA s16 gSpriteCoordOffsetX = 0;
EWRAM_DATA s16 gSpriteCoordOffsetY = 0;
EWRAM_DATA struct OamMatrix gOamMatrices[OAM_MATRIX_COUNT] = {0};
EWRAM_DATA bool8 gAffineAnimsDisabled = FALSE;
void ResetSpriteData(void)
{
ResetOamRange(0, 128);
ResetAllSprites();
ClearSpriteCopyRequests();
ResetAffineAnimData();
FreeSpriteTileRanges();
gOamLimit = 64;
gReservedSpriteTileCount = 0;
AllocSpriteTiles(0);
gSpriteCoordOffsetX = 0;
gSpriteCoordOffsetY = 0;
}
void AnimateSprites(void)
{
u8 i;
for (i = 0; i < MAX_SPRITES; i++)
{
struct Sprite *sprite = &gSprites[i];
if (sprite->inUse)
{
sprite->callback(sprite);
if (sprite->inUse)
AnimateSprite(sprite);
}
}
}
void BuildOamBuffer(void)
{
u8 temp;
UpdateOamCoords();
BuildSpritePriorities();
SortSprites();
temp = gMain.oamLoadDisabled;
gMain.oamLoadDisabled = TRUE;
AddSpritesToOamBuffer();
CopyMatricesToOamBuffer();
gMain.oamLoadDisabled = temp;
sShouldProcessSpriteCopyRequests = TRUE;
}
void UpdateOamCoords(void)
{
u8 i;
for (i = 0; i < MAX_SPRITES; i++)
{
struct Sprite *sprite = &gSprites[i];
if (sprite->inUse && !sprite->invisible)
{
if (sprite->coordOffsetEnabled)
{
sprite->oam.x = sprite->x + sprite->x2 + sprite->centerToCornerVecX + gSpriteCoordOffsetX;
sprite->oam.y = sprite->y + sprite->y2 + sprite->centerToCornerVecY + gSpriteCoordOffsetY;
}
else
{
sprite->oam.x = sprite->x + sprite->x2 + sprite->centerToCornerVecX;
sprite->oam.y = sprite->y + sprite->y2 + sprite->centerToCornerVecY;
}
}
}
}
void BuildSpritePriorities(void)
{
u16 i;
for (i = 0; i < MAX_SPRITES; i++)
{
struct Sprite *sprite = &gSprites[i];
u16 priority = sprite->subpriority | (sprite->oam.priority << 8);
sSpritePriorities[i] = priority;
}
}
void SortSprites(void)
{
u8 i;
for (i = 1; i < MAX_SPRITES; i++)
{
u8 j = i;
struct Sprite *sprite1 = &gSprites[sSpriteOrder[i - 1]];
struct Sprite *sprite2 = &gSprites[sSpriteOrder[i]];
u16 sprite1Priority = sSpritePriorities[sSpriteOrder[i - 1]];
u16 sprite2Priority = sSpritePriorities[sSpriteOrder[i]];
s16 sprite1Y = sprite1->oam.y;
s16 sprite2Y = sprite2->oam.y;
if (sprite1Y >= DISPLAY_HEIGHT)
sprite1Y = sprite1Y - 256;
if (sprite2Y >= DISPLAY_HEIGHT)
sprite2Y = sprite2Y - 256;
if (sprite1->oam.affineMode == ST_OAM_AFFINE_DOUBLE
&& sprite1->oam.size == ST_OAM_SIZE_3)
{
u32 shape = sprite1->oam.shape;
if (shape == ST_OAM_SQUARE || shape == ST_OAM_V_RECTANGLE)
{
if (sprite1Y > 128)
sprite1Y = sprite1Y - 256;
}
}
if (sprite2->oam.affineMode == ST_OAM_AFFINE_DOUBLE
&& sprite2->oam.size == ST_OAM_SIZE_3)
{
u32 shape = sprite2->oam.shape;
if (shape == ST_OAM_SQUARE || shape == ST_OAM_V_RECTANGLE)
{
if (sprite2Y > 128)
sprite2Y = sprite2Y - 256;
}
}
while (j > 0
&& ((sprite1Priority > sprite2Priority)
|| (sprite1Priority == sprite2Priority && sprite1Y < sprite2Y)))
{
u8 temp = sSpriteOrder[j];
sSpriteOrder[j] = sSpriteOrder[j - 1];
sSpriteOrder[j - 1] = temp;
// UB: If j equals 1, then j-- makes j equal 0.
// Then, sSpriteOrder[-1] gets accessed below.
// Although this doesn't result in a bug in the ROM,
// the behavior is undefined.
j--;
#ifdef UBFIX
if (j == 0)
break;
#endif
sprite1 = &gSprites[sSpriteOrder[j - 1]];
sprite2 = &gSprites[sSpriteOrder[j]];
sprite1Priority = sSpritePriorities[sSpriteOrder[j - 1]];
sprite2Priority = sSpritePriorities[sSpriteOrder[j]];
sprite1Y = sprite1->oam.y;
sprite2Y = sprite2->oam.y;
if (sprite1Y >= DISPLAY_HEIGHT)
sprite1Y = sprite1Y - 256;
if (sprite2Y >= DISPLAY_HEIGHT)
sprite2Y = sprite2Y - 256;
if (sprite1->oam.affineMode == ST_OAM_AFFINE_DOUBLE
&& sprite1->oam.size == ST_OAM_SIZE_3)
{
u32 shape = sprite1->oam.shape;
if (shape == ST_OAM_SQUARE || shape == ST_OAM_V_RECTANGLE)
{
if (sprite1Y > 128)
sprite1Y = sprite1Y - 256;
}
}
if (sprite2->oam.affineMode == ST_OAM_AFFINE_DOUBLE
&& sprite2->oam.size == ST_OAM_SIZE_3)
{
u32 shape = sprite2->oam.shape;
if (shape == ST_OAM_SQUARE || shape == ST_OAM_V_RECTANGLE)
{
if (sprite2Y > 128)
sprite2Y = sprite2Y - 256;
}
}
}
}
}
void CopyMatricesToOamBuffer(void)
{
u8 i;
for (i = 0; i < OAM_MATRIX_COUNT; i++)
{
u32 base = 4 * i;
gMain.oamBuffer[base + 0].affineParam = gOamMatrices[i].a;
gMain.oamBuffer[base + 1].affineParam = gOamMatrices[i].b;
gMain.oamBuffer[base + 2].affineParam = gOamMatrices[i].c;
gMain.oamBuffer[base + 3].affineParam = gOamMatrices[i].d;
}
}
void AddSpritesToOamBuffer(void)
{
u8 i = 0;
u8 oamIndex = 0;
while (i < MAX_SPRITES)
{
struct Sprite *sprite = &gSprites[sSpriteOrder[i]];
if (sprite->inUse && !sprite->invisible && AddSpriteToOamBuffer(sprite, &oamIndex))
return;
i++;
}
while (oamIndex < gOamLimit)
{
gMain.oamBuffer[oamIndex] = gDummyOamData;
oamIndex++;
}
}
u8 CreateSprite(const struct SpriteTemplate *template, s16 x, s16 y, u8 subpriority)
{
u8 i;
for (i = 0; i < MAX_SPRITES; i++)
if (!gSprites[i].inUse)
return CreateSpriteAt(i, template, x, y, subpriority);
return MAX_SPRITES;
}
u8 CreateSpriteAtEnd(const struct SpriteTemplate *template, s16 x, s16 y, u8 subpriority)
{
s16 i;
for (i = MAX_SPRITES - 1; i > -1; i--)
if (!gSprites[i].inUse)
return CreateSpriteAt(i, template, x, y, subpriority);
return MAX_SPRITES;
}
u8 CreateInvisibleSprite(void (*callback)(struct Sprite *))
{
u8 index = CreateSprite(&gDummySpriteTemplate, 0, 0, 31);
if (index == MAX_SPRITES)
{
return MAX_SPRITES;
}
else
{
gSprites[index].invisible = TRUE;
gSprites[index].callback = callback;
return index;
}
}
u8 CreateSpriteAt(u8 index, const struct SpriteTemplate *template, s16 x, s16 y, u8 subpriority)
{
struct Sprite *sprite = &gSprites[index];
ResetSprite(sprite);
sprite->inUse = TRUE;
sprite->animBeginning = TRUE;
sprite->affineAnimBeginning = TRUE;
sprite->usingSheet = TRUE;
sprite->subpriority = subpriority;
sprite->oam = *template->oam;
sprite->anims = template->anims;
sprite->affineAnims = template->affineAnims;
sprite->template = template;
sprite->callback = template->callback;
sprite->x = x;
sprite->y = y;
CalcCenterToCornerVec(sprite, sprite->oam.shape, sprite->oam.size, sprite->oam.affineMode);
if (template->tileTag == TAG_NONE)
{
s16 tileNum;
sprite->images = template->images;
tileNum = AllocSpriteTiles((u8)(sprite->images->size / TILE_SIZE_4BPP));
if (tileNum == -1)
{
ResetSprite(sprite);
return MAX_SPRITES;
}
sprite->oam.tileNum = tileNum;
sprite->usingSheet = FALSE;
sprite->sheetTileStart = 0;
}
else
{
sprite->sheetTileStart = GetSpriteTileStartByTag(template->tileTag);
SetSpriteSheetFrameTileNum(sprite);
}
if (sprite->oam.affineMode & ST_OAM_AFFINE_ON_MASK)
InitSpriteAffineAnim(sprite);
if (template->paletteTag != TAG_NONE)
sprite->oam.paletteNum = IndexOfSpritePaletteTag(template->paletteTag);
return index;
}
u8 CreateSpriteAndAnimate(const struct SpriteTemplate *template, s16 x, s16 y, u8 subpriority)
{
u8 i;
for (i = 0; i < MAX_SPRITES; i++)
{
struct Sprite *sprite = &gSprites[i];
if (!gSprites[i].inUse)
{
u8 index = CreateSpriteAt(i, template, x, y, subpriority);
if (index == MAX_SPRITES)
return MAX_SPRITES;
gSprites[i].callback(sprite);
if (gSprites[i].inUse)
AnimateSprite(sprite);
return index;
}
}
return MAX_SPRITES;
}
void DestroySprite(struct Sprite *sprite)
{
if (sprite->inUse)
{
if (!sprite->usingSheet)
{
u16 i;
u16 tileEnd = (sprite->images->size / TILE_SIZE_4BPP) + sprite->oam.tileNum;
for (i = sprite->oam.tileNum; i < tileEnd; i++)
FREE_SPRITE_TILE(i);
}
ResetSprite(sprite);
}
}
void ResetOamRange(u8 a, u8 b)
{
u8 i;
for (i = a; i < b; i++)
{
gMain.oamBuffer[i] = *(struct OamData *)&gDummyOamData;
}
}
void LoadOam(void)
{
if (!gMain.oamLoadDisabled)
CpuCopy32(gMain.oamBuffer, (void *)OAM, sizeof(gMain.oamBuffer));
}
void ClearSpriteCopyRequests(void)
{
u8 i;
sShouldProcessSpriteCopyRequests = FALSE;
sSpriteCopyRequestCount = 0;
for (i = 0; i < MAX_SPRITE_COPY_REQUESTS; i++)
{
sSpriteCopyRequests[i].src = 0;
sSpriteCopyRequests[i].dest = 0;
sSpriteCopyRequests[i].size = 0;
}
}
void ResetOamMatrices(void)
{
u8 i;
for (i = 0; i < OAM_MATRIX_COUNT; i++)
{
// set to identity matrix
gOamMatrices[i].a = 0x0100;
gOamMatrices[i].b = 0x0000;
gOamMatrices[i].c = 0x0000;
gOamMatrices[i].d = 0x0100;
}
}
void SetOamMatrix(u8 matrixNum, u16 a, u16 b, u16 c, u16 d)
{
gOamMatrices[matrixNum].a = a;
gOamMatrices[matrixNum].b = b;
gOamMatrices[matrixNum].c = c;
gOamMatrices[matrixNum].d = d;
}
void ResetSprite(struct Sprite *sprite)
{
*sprite = sDummySprite;
}
void CalcCenterToCornerVec(struct Sprite *sprite, u8 shape, u8 size, u8 affineMode)
{
u8 x = sCenterToCornerVecTable[shape][size][0];
u8 y = sCenterToCornerVecTable[shape][size][1];
if (affineMode & ST_OAM_AFFINE_DOUBLE_MASK)
{
x *= 2;
y *= 2;
}
sprite->centerToCornerVecX = x;
sprite->centerToCornerVecY = y;
}
s16 AllocSpriteTiles(u16 tileCount)
{
u16 i;
s16 start;
u16 numTilesFound;
if (tileCount == 0)
{
// Free all unreserved tiles if the tile count is 0.
for (i = gReservedSpriteTileCount; i < TOTAL_OBJ_TILE_COUNT; i++)
FREE_SPRITE_TILE(i);
return 0;
}
i = gReservedSpriteTileCount;
for (;;)
{
while (SPRITE_TILE_IS_ALLOCATED(i))
{
i++;
if (i == TOTAL_OBJ_TILE_COUNT)
return -1;
}
start = i;
numTilesFound = 1;
while (numTilesFound != tileCount)
{
i++;
if (i == TOTAL_OBJ_TILE_COUNT)
return -1;
if (!SPRITE_TILE_IS_ALLOCATED(i))
numTilesFound++;
else
break;
}
if (numTilesFound == tileCount)
break;
}
for (i = start; i < tileCount + start; i++)
ALLOC_SPRITE_TILE(i);
return start;
}
u8 SpriteTileAllocBitmapOp(u16 bit, u8 op)
{
u8 index = bit / 8;
u8 shift = bit % 8;
u8 val = bit % 8;
u8 retVal = 0;
if (op == 0)
{
val = ~(1 << val);
sSpriteTileAllocBitmap[index] &= val;
}
else if (op == 1)
{
val = (1 << val);
sSpriteTileAllocBitmap[index] |= val;
}
else
{
retVal = 1 << shift;
retVal &= sSpriteTileAllocBitmap[index];
}
return retVal;
}
void SpriteCallbackDummy(struct Sprite *sprite)
{
}
void ProcessSpriteCopyRequests(void)
{
if (sShouldProcessSpriteCopyRequests)
{
u8 i = 0;
while (sSpriteCopyRequestCount > 0)
{
CpuCopy16(sSpriteCopyRequests[i].src, sSpriteCopyRequests[i].dest, sSpriteCopyRequests[i].size);
sSpriteCopyRequestCount--;
i++;
}
sShouldProcessSpriteCopyRequests = FALSE;
}
}
void RequestSpriteFrameImageCopy(u16 index, u16 tileNum, const struct SpriteFrameImage *images)
{
if (sSpriteCopyRequestCount < MAX_SPRITE_COPY_REQUESTS)
{
sSpriteCopyRequests[sSpriteCopyRequestCount].src = images[index].data;
sSpriteCopyRequests[sSpriteCopyRequestCount].dest = (u8 *)OBJ_VRAM0 + TILE_SIZE_4BPP * tileNum;
sSpriteCopyRequests[sSpriteCopyRequestCount].size = images[index].size;
sSpriteCopyRequestCount++;
}
}
void RequestSpriteCopy(const u8 *src, u8 *dest, u16 size)
{
if (sSpriteCopyRequestCount < MAX_SPRITE_COPY_REQUESTS)
{
sSpriteCopyRequests[sSpriteCopyRequestCount].src = src;
sSpriteCopyRequests[sSpriteCopyRequestCount].dest = dest;
sSpriteCopyRequests[sSpriteCopyRequestCount].size = size;
sSpriteCopyRequestCount++;
}
}
void CopyFromSprites(u8 *dest)
{
u32 i;
u8 *src = (u8 *)gSprites;
for (i = 0; i < sizeof(struct Sprite) * MAX_SPRITES; i++)
{
*dest = *src;
dest++;
src++;
}
}
void CopyToSprites(u8 *src)
{
u32 i;
u8 *dest = (u8 *)gSprites;
for (i = 0; i < sizeof(struct Sprite) * MAX_SPRITES; i++)
{
*dest = *src;
src++;
dest++;
}
}
void ResetAllSprites(void)
{
u8 i;
for (i = 0; i < MAX_SPRITES; i++)
{
ResetSprite(&gSprites[i]);
sSpriteOrder[i] = i;
}
ResetSprite(&gSprites[i]);
}
void FreeSpriteTiles(struct Sprite *sprite)
{
// UB: template pointer may point to freed temporary storage
#ifdef UBFIX
if (!sprite || !sprite->template)
return;
#endif
if (sprite->template->tileTag != TAG_NONE)
FreeSpriteTilesByTag(sprite->template->tileTag);
}
void FreeSpritePalette(struct Sprite *sprite)
{
// UB: template pointer may point to freed temporary storage
#ifdef UBFIX
if (!sprite || !sprite->template)
return;
#endif
FreeSpritePaletteByTag(sprite->template->paletteTag);
}
void FreeSpriteOamMatrix(struct Sprite *sprite)
{
if (sprite->oam.affineMode & ST_OAM_AFFINE_ON_MASK)
{
FreeOamMatrix(sprite->oam.matrixNum);
sprite->oam.affineMode = ST_OAM_AFFINE_OFF;
}
}
void DestroySpriteAndFreeResources(struct Sprite *sprite)
{
FreeSpriteTiles(sprite);
FreeSpritePalette(sprite);
FreeSpriteOamMatrix(sprite);
DestroySprite(sprite);
}
void AnimateSprite(struct Sprite *sprite)
{
sAnimFuncs[sprite->animBeginning](sprite);
if (!gAffineAnimsDisabled)
sAffineAnimFuncs[sprite->affineAnimBeginning](sprite);
}
void BeginAnim(struct Sprite *sprite)
{
s16 imageValue;
u8 duration;
u8 hFlip;
u8 vFlip;
sprite->animCmdIndex = 0;
sprite->animEnded = FALSE;
sprite->animLoopCounter = 0;
imageValue = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.imageValue;
if (imageValue != -1)
{
sprite->animBeginning = FALSE;
duration = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.duration;
hFlip = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.hFlip;
vFlip = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.vFlip;
if (duration)
duration--;
sprite->animDelayCounter = duration;
if (!(sprite->oam.affineMode & ST_OAM_AFFINE_ON_MASK))
SetSpriteOamFlipBits(sprite, hFlip, vFlip);
if (sprite->usingSheet)
sprite->oam.tileNum = sprite->sheetTileStart + imageValue;
else
RequestSpriteFrameImageCopy(imageValue, sprite->oam.tileNum, sprite->images);
}
}
void ContinueAnim(struct Sprite *sprite)
{
if (sprite->animDelayCounter)
{
u8 hFlip;
u8 vFlip;
DecrementAnimDelayCounter(sprite);
hFlip = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.hFlip;
vFlip = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.vFlip;
if (!(sprite->oam.affineMode & ST_OAM_AFFINE_ON_MASK))
SetSpriteOamFlipBits(sprite, hFlip, vFlip);
}
else if (!sprite->animPaused)
{
s16 type;
s16 funcIndex;
sprite->animCmdIndex++;
type = sprite->anims[sprite->animNum][sprite->animCmdIndex].type;
funcIndex = 3;
if (type < 0)
funcIndex = type + 3;
sAnimCmdFuncs[funcIndex](sprite);
}
}
void AnimCmd_frame(struct Sprite *sprite)
{
s16 imageValue;
u8 duration;
u8 hFlip;
u8 vFlip;
imageValue = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.imageValue;
duration = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.duration;
hFlip = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.hFlip;
vFlip = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.vFlip;
if (duration)
duration--;
sprite->animDelayCounter = duration;
if (!(sprite->oam.affineMode & ST_OAM_AFFINE_ON_MASK))
SetSpriteOamFlipBits(sprite, hFlip, vFlip);
if (sprite->usingSheet)
sprite->oam.tileNum = sprite->sheetTileStart + imageValue;
else
RequestSpriteFrameImageCopy(imageValue, sprite->oam.tileNum, sprite->images);
}
void AnimCmd_end(struct Sprite *sprite)
{
sprite->animCmdIndex--;
sprite->animEnded = TRUE;
}
void AnimCmd_jump(struct Sprite *sprite)
{
s16 imageValue;
u8 duration;
u8 hFlip;
u8 vFlip;
sprite->animCmdIndex = sprite->anims[sprite->animNum][sprite->animCmdIndex].jump.target;
imageValue = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.imageValue;
duration = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.duration;
hFlip = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.hFlip;
vFlip = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.vFlip;
if (duration)
duration--;
sprite->animDelayCounter = duration;
if (!(sprite->oam.affineMode & ST_OAM_AFFINE_ON_MASK))
SetSpriteOamFlipBits(sprite, hFlip, vFlip);
if (sprite->usingSheet)
sprite->oam.tileNum = sprite->sheetTileStart + imageValue;
else
RequestSpriteFrameImageCopy(imageValue, sprite->oam.tileNum, sprite->images);
}
void AnimCmd_loop(struct Sprite *sprite)
{
if (sprite->animLoopCounter)
ContinueAnimLoop(sprite);
else
BeginAnimLoop(sprite);
}
void BeginAnimLoop(struct Sprite *sprite)
{
sprite->animLoopCounter = sprite->anims[sprite->animNum][sprite->animCmdIndex].loop.count;
JumpToTopOfAnimLoop(sprite);
ContinueAnim(sprite);
}
void ContinueAnimLoop(struct Sprite *sprite)
{
sprite->animLoopCounter--;
JumpToTopOfAnimLoop(sprite);
ContinueAnim(sprite);
}
void JumpToTopOfAnimLoop(struct Sprite *sprite)
{
if (sprite->animLoopCounter)
{
sprite->animCmdIndex--;
while (sprite->anims[sprite->animNum][sprite->animCmdIndex - 1].type != -3)
{
if (sprite->animCmdIndex == 0)
break;
sprite->animCmdIndex--;
}
sprite->animCmdIndex--;
}
}
void BeginAffineAnim(struct Sprite *sprite)
{
if ((sprite->oam.affineMode & ST_OAM_AFFINE_ON_MASK) && sprite->affineAnims[0][0].type != 32767)
{
struct AffineAnimFrameCmd frameCmd;
u8 matrixNum = GetSpriteMatrixNum(sprite);
AffineAnimStateRestartAnim(matrixNum);
GetAffineAnimFrame(matrixNum, sprite, &frameCmd);
sprite->affineAnimBeginning = FALSE;
sprite->affineAnimEnded = FALSE;
ApplyAffineAnimFrame(matrixNum, &frameCmd);
sAffineAnimStates[matrixNum].delayCounter = frameCmd.duration;
if (sprite->anchored)
UpdateSpriteMatrixAnchorPos(sprite, sprite->sAnchorX, sprite->sAnchorY);
}
}
void ContinueAffineAnim(struct Sprite *sprite)
{
if (sprite->oam.affineMode & ST_OAM_AFFINE_ON_MASK)
{
u8 matrixNum = GetSpriteMatrixNum(sprite);
if (sAffineAnimStates[matrixNum].delayCounter)
AffineAnimDelay(matrixNum, sprite);
else if (sprite->affineAnimPaused)
return;
else
{
s16 type;
s16 funcIndex;
sAffineAnimStates[matrixNum].animCmdIndex++;
type = sprite->affineAnims[sAffineAnimStates[matrixNum].animNum][sAffineAnimStates[matrixNum].animCmdIndex].type;
funcIndex = 3;
if (type >= 32765)
funcIndex = type - 32765;
sAffineAnimCmdFuncs[funcIndex](matrixNum, sprite);
}
if (sprite->anchored)
UpdateSpriteMatrixAnchorPos(sprite, sprite->sAnchorX, sprite->sAnchorY);
}
}
void AffineAnimDelay(u8 matrixNum, struct Sprite *sprite)
{
if (!DecrementAffineAnimDelayCounter(sprite, matrixNum))
{
struct AffineAnimFrameCmd frameCmd;
GetAffineAnimFrame(matrixNum, sprite, &frameCmd);
ApplyAffineAnimFrameRelativeAndUpdateMatrix(matrixNum, &frameCmd);
}
}
void AffineAnimCmd_loop(u8 matrixNum, struct Sprite *sprite)
{
if (sAffineAnimStates[matrixNum].loopCounter)
ContinueAffineAnimLoop(matrixNum, sprite);
else
BeginAffineAnimLoop(matrixNum, sprite);
}
void BeginAffineAnimLoop(u8 matrixNum, struct Sprite *sprite)
{
sAffineAnimStates[matrixNum].loopCounter = sprite->affineAnims[sAffineAnimStates[matrixNum].animNum][sAffineAnimStates[matrixNum].animCmdIndex].loop.count;
JumpToTopOfAffineAnimLoop(matrixNum, sprite);
ContinueAffineAnim(sprite);
}
void ContinueAffineAnimLoop(u8 matrixNum, struct Sprite *sprite)
{
sAffineAnimStates[matrixNum].loopCounter--;
JumpToTopOfAffineAnimLoop(matrixNum, sprite);
ContinueAffineAnim(sprite);
}
void JumpToTopOfAffineAnimLoop(u8 matrixNum, struct Sprite *sprite)
{
if (sAffineAnimStates[matrixNum].loopCounter)
{
sAffineAnimStates[matrixNum].animCmdIndex--;
while (sprite->affineAnims[sAffineAnimStates[matrixNum].animNum][sAffineAnimStates[matrixNum].animCmdIndex - 1].type != 32765)
{
if (sAffineAnimStates[matrixNum].animCmdIndex == 0)
break;
sAffineAnimStates[matrixNum].animCmdIndex--;
}
sAffineAnimStates[matrixNum].animCmdIndex--;
}
}
void AffineAnimCmd_jump(u8 matrixNum, struct Sprite *sprite)
{
struct AffineAnimFrameCmd frameCmd;
sAffineAnimStates[matrixNum].animCmdIndex = sprite->affineAnims[sAffineAnimStates[matrixNum].animNum][sAffineAnimStates[matrixNum].animCmdIndex].jump.target;
GetAffineAnimFrame(matrixNum, sprite, &frameCmd);
ApplyAffineAnimFrame(matrixNum, &frameCmd);
sAffineAnimStates[matrixNum].delayCounter = frameCmd.duration;
}
void AffineAnimCmd_end(u8 matrixNum, struct Sprite *sprite)
{
struct AffineAnimFrameCmd dummyFrameCmd = {0};
sprite->affineAnimEnded = TRUE;
sAffineAnimStates[matrixNum].animCmdIndex--;
ApplyAffineAnimFrameRelativeAndUpdateMatrix(matrixNum, &dummyFrameCmd);
}
void AffineAnimCmd_frame(u8 matrixNum, struct Sprite *sprite)
{
struct AffineAnimFrameCmd frameCmd;
GetAffineAnimFrame(matrixNum, sprite, &frameCmd);
ApplyAffineAnimFrame(matrixNum, &frameCmd);
sAffineAnimStates[matrixNum].delayCounter = frameCmd.duration;
}
void CopyOamMatrix(u8 destMatrixIndex, struct OamMatrix *srcMatrix)
{
gOamMatrices[destMatrixIndex].a = srcMatrix->a;
gOamMatrices[destMatrixIndex].b = srcMatrix->b;
gOamMatrices[destMatrixIndex].c = srcMatrix->c;
gOamMatrices[destMatrixIndex].d = srcMatrix->d;
}
u8 GetSpriteMatrixNum(struct Sprite *sprite)
{
u8 matrixNum = 0;
if (sprite->oam.affineMode & ST_OAM_AFFINE_ON_MASK)
matrixNum = sprite->oam.matrixNum;
return matrixNum;
}
// Used to shift a sprite's position as it scales.
// Only used by the minigame countdown, so that for instance the numbers don't slide up as they squish down before jumping.
void SetSpriteMatrixAnchor(struct Sprite* sprite, s16 x, s16 y)
{
sprite->sAnchorX = x;
sprite->sAnchorY = y;
sprite->anchored = TRUE;
}
static s32 GetAnchorCoord(s32 a0, s32 a1, s32 coord)
{
s32 subResult, var1;
subResult = a1 - a0;
if (subResult < 0)
var1 = -(subResult) >> 9;
else
var1 = -(subResult >> 9);
return coord - ((u32)(coord * a1) / (u32)(a0) + var1);
}
static void UpdateSpriteMatrixAnchorPos(struct Sprite *sprite, s32 x, s32 y)
{
s32 dimension, var1, var2;
u32 matrixNum = sprite->oam.matrixNum;
if (x != NO_ANCHOR)
{
dimension = sOamDimensions32[sprite->oam.shape][sprite->oam.size].width;
var1 = dimension << 8;
var2 = (dimension << 16) / gOamMatrices[matrixNum].a;
sprite->x2 = GetAnchorCoord(var1, var2, x);
}
if (y != NO_ANCHOR)
{
dimension = sOamDimensions32[sprite->oam.shape][sprite->oam.size].height;
var1 = dimension << 8;
var2 = (dimension << 16) / gOamMatrices[matrixNum].d;
sprite->y2 = GetAnchorCoord(var1, var2, y);
}
}
void SetSpriteOamFlipBits(struct Sprite *sprite, u8 hFlip, u8 vFlip)
{
sprite->oam.matrixNum &= 0x7;
sprite->oam.matrixNum |= (((hFlip ^ sprite->hFlip) & 1) << 3);
sprite->oam.matrixNum |= (((vFlip ^ sprite->vFlip) & 1) << 4);
}
void AffineAnimStateRestartAnim(u8 matrixNum)
{
sAffineAnimStates[matrixNum].animCmdIndex = 0;
sAffineAnimStates[matrixNum].delayCounter = 0;
sAffineAnimStates[matrixNum].loopCounter = 0;
}
void AffineAnimStateStartAnim(u8 matrixNum, u8 animNum)
{
sAffineAnimStates[matrixNum].animNum = animNum;
sAffineAnimStates[matrixNum].animCmdIndex = 0;
sAffineAnimStates[matrixNum].delayCounter = 0;
sAffineAnimStates[matrixNum].loopCounter = 0;
sAffineAnimStates[matrixNum].xScale = 0x0100;
sAffineAnimStates[matrixNum].yScale = 0x0100;
sAffineAnimStates[matrixNum].rotation = 0;
}
void AffineAnimStateReset(u8 matrixNum)
{
sAffineAnimStates[matrixNum].animNum = 0;
sAffineAnimStates[matrixNum].animCmdIndex = 0;
sAffineAnimStates[matrixNum].delayCounter = 0;
sAffineAnimStates[matrixNum].loopCounter = 0;
sAffineAnimStates[matrixNum].xScale = 0x0100;
sAffineAnimStates[matrixNum].yScale = 0x0100;
sAffineAnimStates[matrixNum].rotation = 0;
}
void ApplyAffineAnimFrameAbsolute(u8 matrixNum, struct AffineAnimFrameCmd *frameCmd)
{
sAffineAnimStates[matrixNum].xScale = frameCmd->xScale;
sAffineAnimStates[matrixNum].yScale = frameCmd->yScale;
sAffineAnimStates[matrixNum].rotation = frameCmd->rotation << 8;
}
void DecrementAnimDelayCounter(struct Sprite *sprite)
{
if (!sprite->animPaused)
sprite->animDelayCounter--;
}
bool8 DecrementAffineAnimDelayCounter(struct Sprite *sprite, u8 matrixNum)
{
if (!sprite->affineAnimPaused)
--sAffineAnimStates[matrixNum].delayCounter;
return sprite->affineAnimPaused;
}
void ApplyAffineAnimFrameRelativeAndUpdateMatrix(u8 matrixNum, struct AffineAnimFrameCmd *frameCmd)
{
struct ObjAffineSrcData srcData;
struct OamMatrix matrix;
sAffineAnimStates[matrixNum].xScale += frameCmd->xScale;
sAffineAnimStates[matrixNum].yScale += frameCmd->yScale;
sAffineAnimStates[matrixNum].rotation = (sAffineAnimStates[matrixNum].rotation + (frameCmd->rotation << 8)) & ~0xFF;
srcData.xScale = ConvertScaleParam(sAffineAnimStates[matrixNum].xScale);
srcData.yScale = ConvertScaleParam(sAffineAnimStates[matrixNum].yScale);
srcData.rotation = sAffineAnimStates[matrixNum].rotation;
ObjAffineSet(&srcData, &matrix, 1, 2);
CopyOamMatrix(matrixNum, &matrix);
}
s16 ConvertScaleParam(s16 scale)
{
s32 val = 0x10000;
return SAFE_DIV(val, scale);
}
void GetAffineAnimFrame(u8 matrixNum, struct Sprite *sprite, struct AffineAnimFrameCmd *frameCmd)
{
frameCmd->xScale = sprite->affineAnims[sAffineAnimStates[matrixNum].animNum][sAffineAnimStates[matrixNum].animCmdIndex].frame.xScale;
frameCmd->yScale = sprite->affineAnims[sAffineAnimStates[matrixNum].animNum][sAffineAnimStates[matrixNum].animCmdIndex].frame.yScale;
frameCmd->rotation = sprite->affineAnims[sAffineAnimStates[matrixNum].animNum][sAffineAnimStates[matrixNum].animCmdIndex].frame.rotation;
frameCmd->duration = sprite->affineAnims[sAffineAnimStates[matrixNum].animNum][sAffineAnimStates[matrixNum].animCmdIndex].frame.duration;
}
void ApplyAffineAnimFrame(u8 matrixNum, struct AffineAnimFrameCmd *frameCmd)
{
struct AffineAnimFrameCmd dummyFrameCmd = {0};
if (frameCmd->duration)
{
frameCmd->duration--;
ApplyAffineAnimFrameRelativeAndUpdateMatrix(matrixNum, frameCmd);
}
else
{
ApplyAffineAnimFrameAbsolute(matrixNum, frameCmd);
ApplyAffineAnimFrameRelativeAndUpdateMatrix(matrixNum, &dummyFrameCmd);
}
}
void StartSpriteAnim(struct Sprite *sprite, u8 animNum)
{
sprite->animNum = animNum;
sprite->animBeginning = TRUE;
sprite->animEnded = FALSE;
}
void StartSpriteAnimIfDifferent(struct Sprite *sprite, u8 animNum)
{
if (sprite->animNum != animNum)
StartSpriteAnim(sprite, animNum);
}
void SeekSpriteAnim(struct Sprite *sprite, u8 animCmdIndex)
{
u8 temp = sprite->animPaused;
sprite->animCmdIndex = animCmdIndex - 1;
sprite->animDelayCounter = 0;
sprite->animBeginning = FALSE;
sprite->animEnded = FALSE;
sprite->animPaused = FALSE;
ContinueAnim(sprite);
if (sprite->animDelayCounter)
sprite->animDelayCounter++;
sprite->animPaused = temp;
}
void StartSpriteAffineAnim(struct Sprite *sprite, u8 animNum)
{
u8 matrixNum = GetSpriteMatrixNum(sprite);
AffineAnimStateStartAnim(matrixNum, animNum);
sprite->affineAnimBeginning = TRUE;
sprite->affineAnimEnded = FALSE;
}
void StartSpriteAffineAnimIfDifferent(struct Sprite *sprite, u8 animNum)
{
u8 matrixNum = GetSpriteMatrixNum(sprite);
if (sAffineAnimStates[matrixNum].animNum != animNum)
StartSpriteAffineAnim(sprite, animNum);
}
void ChangeSpriteAffineAnim(struct Sprite *sprite, u8 animNum)
{
u8 matrixNum = GetSpriteMatrixNum(sprite);
sAffineAnimStates[matrixNum].animNum = animNum;
sprite->affineAnimBeginning = TRUE;
sprite->affineAnimEnded = FALSE;
}
void ChangeSpriteAffineAnimIfDifferent(struct Sprite *sprite, u8 animNum)
{
u8 matrixNum = GetSpriteMatrixNum(sprite);
if (sAffineAnimStates[matrixNum].animNum != animNum)
ChangeSpriteAffineAnim(sprite, animNum);
}
void SetSpriteSheetFrameTileNum(struct Sprite *sprite)
{
if (sprite->usingSheet)
{
s16 tileOffset = sprite->anims[sprite->animNum][sprite->animCmdIndex].frame.imageValue;
if (tileOffset < 0)
tileOffset = 0;
sprite->oam.tileNum = sprite->sheetTileStart + tileOffset;
}
}
void ResetAffineAnimData(void)
{
u8 i;
gAffineAnimsDisabled = FALSE;
gOamMatrixAllocBitmap = 0;
ResetOamMatrices();
for (i = 0; i < OAM_MATRIX_COUNT; i++)
AffineAnimStateReset(i);
}
u8 AllocOamMatrix(void)
{
u8 i = 0;
u32 bit = 1;
u32 bitmap = gOamMatrixAllocBitmap;
while (i < OAM_MATRIX_COUNT)
{
if (!(bitmap & bit))
{
gOamMatrixAllocBitmap |= bit;
return i;
}
i++;
bit <<= 1;
}
return 0xFF;
}
void FreeOamMatrix(u8 matrixNum)
{
u8 i = 0;
u32 bit = 1;
while (i < matrixNum)
{
i++;
bit <<= 1;
}
gOamMatrixAllocBitmap &= ~bit;
SetOamMatrix(matrixNum, 0x100, 0, 0, 0x100);
}
void InitSpriteAffineAnim(struct Sprite *sprite)
{
u8 matrixNum = AllocOamMatrix();
if (matrixNum != 0xFF)
{
CalcCenterToCornerVec(sprite, sprite->oam.shape, sprite->oam.size, sprite->oam.affineMode);
sprite->oam.matrixNum = matrixNum;
sprite->affineAnimBeginning = TRUE;
AffineAnimStateReset(matrixNum);
}
}
void SetOamMatrixRotationScaling(u8 matrixNum, s16 xScale, s16 yScale, u16 rotation)
{
struct ObjAffineSrcData srcData;
struct OamMatrix matrix;
srcData.xScale = ConvertScaleParam(xScale);
srcData.yScale = ConvertScaleParam(yScale);
srcData.rotation = rotation;
ObjAffineSet(&srcData, &matrix, 1, 2);
CopyOamMatrix(matrixNum, &matrix);
}
u16 LoadSpriteSheet(const struct SpriteSheet *sheet)
{
s16 tileStart = AllocSpriteTiles(sheet->size / TILE_SIZE_4BPP);
if (tileStart < 0)
{
return 0;
}
else
{
AllocSpriteTileRange(sheet->tag, (u16)tileStart, sheet->size / TILE_SIZE_4BPP);
CpuCopy16(sheet->data, (u8 *)OBJ_VRAM0 + TILE_SIZE_4BPP * tileStart, sheet->size);
return (u16)tileStart;
}
}
void LoadSpriteSheets(const struct SpriteSheet *sheets)
{
u8 i;
for (i = 0; sheets[i].data != NULL; i++)
LoadSpriteSheet(&sheets[i]);
}
void FreeSpriteTilesByTag(u16 tag)
{
u8 index = IndexOfSpriteTileTag(tag);
if (index != 0xFF)
{
u16 i;
u16 *rangeStarts;
u16 *rangeCounts;
u16 start;
u16 count;
rangeStarts = sSpriteTileRanges;
start = rangeStarts[index * 2];
rangeCounts = sSpriteTileRanges + 1;
count = rangeCounts[index * 2];
for (i = start; i < start + count; i++)
FREE_SPRITE_TILE(i);
sSpriteTileRangeTags[index] = TAG_NONE;
}
}
void FreeSpriteTileRanges(void)
{
u8 i;
for (i = 0; i < MAX_SPRITES; i++)
{
sSpriteTileRangeTags[i] = TAG_NONE;
SET_SPRITE_TILE_RANGE(i, 0, 0);
}
}
u16 GetSpriteTileStartByTag(u16 tag)
{
u8 index = IndexOfSpriteTileTag(tag);
if (index == 0xFF)
return 0xFFFF;
return sSpriteTileRanges[index * 2];
}
u8 IndexOfSpriteTileTag(u16 tag)
{
u8 i;
for (i = 0; i < MAX_SPRITES; i++)
if (sSpriteTileRangeTags[i] == tag)
return i;
return 0xFF;
}
u16 GetSpriteTileTagByTileStart(u16 start)
{
u8 i;
for (i = 0; i < MAX_SPRITES; i++)
{
if (sSpriteTileRangeTags[i] != TAG_NONE && sSpriteTileRanges[i * 2] == start)
return sSpriteTileRangeTags[i];
}
return TAG_NONE;
}
void AllocSpriteTileRange(u16 tag, u16 start, u16 count)
{
u8 freeIndex = IndexOfSpriteTileTag(TAG_NONE);
sSpriteTileRangeTags[freeIndex] = tag;
SET_SPRITE_TILE_RANGE(freeIndex, start, count);
}
void FreeAllSpritePalettes(void)
{
u8 i;
gReservedSpritePaletteCount = 0;
for (i = 0; i < 16; i++)
sSpritePaletteTags[i] = TAG_NONE;
}
u8 LoadSpritePalette(const struct SpritePalette *palette)
{
u8 index = IndexOfSpritePaletteTag(palette->tag);
if (index != 0xFF)
return index;
index = IndexOfSpritePaletteTag(TAG_NONE);
if (index == 0xFF)
{
return 0xFF;
}
else
{
sSpritePaletteTags[index] = palette->tag;
DoLoadSpritePalette(palette->data, index * 16);
return index;
}
}
void LoadSpritePalettes(const struct SpritePalette *palettes)
{
u8 i;
for (i = 0; palettes[i].data != NULL; i++)
if (LoadSpritePalette(&palettes[i]) == 0xFF)
break;
}
void DoLoadSpritePalette(const u16 *src, u16 paletteOffset)
{
LoadPalette(src, paletteOffset + 0x100, 32);
}
u8 AllocSpritePalette(u16 tag)
{
u8 index = IndexOfSpritePaletteTag(TAG_NONE);
if (index == 0xFF)
{
return 0xFF;
}
else
{
sSpritePaletteTags[index] = tag;
return index;
}
}
u8 IndexOfSpritePaletteTag(u16 tag)
{
u8 i;
for (i = gReservedSpritePaletteCount; i < 16; i++)
if (sSpritePaletteTags[i] == tag)
return i;
return 0xFF;
}
u16 GetSpritePaletteTagByPaletteNum(u8 paletteNum)
{
return sSpritePaletteTags[paletteNum];
}
void FreeSpritePaletteByTag(u16 tag)
{
u8 index = IndexOfSpritePaletteTag(tag);
if (index != 0xFF)
sSpritePaletteTags[index] = TAG_NONE;
}
void SetSubspriteTables(struct Sprite *sprite, const struct SubspriteTable *subspriteTables)
{
sprite->subspriteTables = subspriteTables;
sprite->subspriteTableNum = 0;
sprite->subspriteMode = SUBSPRITES_ON;
}
bool8 AddSpriteToOamBuffer(struct Sprite *sprite, u8 *oamIndex)
{
if (*oamIndex >= gOamLimit)
return 1;
if (!sprite->subspriteTables || sprite->subspriteMode == SUBSPRITES_OFF)
{
gMain.oamBuffer[*oamIndex] = sprite->oam;
(*oamIndex)++;
return 0;
}
else
{
return AddSubspritesToOamBuffer(sprite, &gMain.oamBuffer[*oamIndex], oamIndex);
}
}
bool8 AddSubspritesToOamBuffer(struct Sprite *sprite, struct OamData *destOam, u8 *oamIndex)
{
const struct SubspriteTable *subspriteTable;
struct OamData *oam;
if (*oamIndex >= gOamLimit)
return 1;
subspriteTable = &sprite->subspriteTables[sprite->subspriteTableNum];
oam = &sprite->oam;
if (!subspriteTable || !subspriteTable->subsprites)
{
*destOam = *oam;
(*oamIndex)++;
return 0;
}
else
{
u16 tileNum;
u16 baseX;
u16 baseY;
u8 subspriteCount;
u8 hFlip;
u8 vFlip;
u8 i;
tileNum = oam->tileNum;
subspriteCount = subspriteTable->subspriteCount;
hFlip = ((s32)oam->matrixNum >> 3) & 1;
vFlip = ((s32)oam->matrixNum >> 4) & 1;
baseX = oam->x - sprite->centerToCornerVecX;
baseY = oam->y - sprite->centerToCornerVecY;
for (i = 0; i < subspriteCount; i++, (*oamIndex)++)
{
u16 x;
u16 y;
if (*oamIndex >= gOamLimit)
return 1;
x = subspriteTable->subsprites[i].x;
y = subspriteTable->subsprites[i].y;
if (hFlip)
{
s8 width = sOamDimensions[subspriteTable->subsprites[i].shape][subspriteTable->subsprites[i].size].width;
s16 right = x;
right += width;
x = right;
x = ~x + 1;
}
if (vFlip)
{
s8 height = sOamDimensions[subspriteTable->subsprites[i].shape][subspriteTable->subsprites[i].size].height;
s16 bottom = y;
bottom += height;
y = bottom;
y = ~y + 1;
}
destOam[i] = *oam;
destOam[i].shape = subspriteTable->subsprites[i].shape;
destOam[i].size = subspriteTable->subsprites[i].size;
destOam[i].x = (s16)baseX + (s16)x;
destOam[i].y = baseY + y;
destOam[i].tileNum = tileNum + subspriteTable->subsprites[i].tileOffset;
if (sprite->subspriteMode != SUBSPRITES_IGNORE_PRIORITY)
destOam[i].priority = subspriteTable->subsprites[i].priority;
}
}
return 0;
}

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#ifndef GUARD_SPRITE_H
#define GUARD_SPRITE_H
#define MAX_SPRITES 64
#define SPRITE_NONE 0xFF
#define TAG_NONE 0xFFFF
// Given to SetSpriteMatrixAnchor to skip anchoring one of the coords.
#define NO_ANCHOR 0x800
struct SpriteSheet
{
const void *data; // Raw uncompressed pixel data
u16 size;
u16 tag;
};
struct CompressedSpriteSheet
{
const u32 *data; // LZ77 compressed pixel data
u16 size; // Uncompressed size of pixel data
u16 tag;
};
struct SpriteFrameImage
{
const void *data;
u16 size;
};
#define obj_frame_tiles(ptr) {.data = (u8 *)ptr, .size = sizeof ptr}
#define overworld_frame(ptr, width, height, frame) {.data = (u8 *)ptr + (width * height * frame * 64)/2, .size = (width * height * 64)/2}
struct SpritePalette
{
const u16 *data; // Raw uncompressed palette data
u16 tag;
};
struct CompressedSpritePalette
{
const u32 *data; // LZ77 compressed palette data
u16 tag;
};
struct AnimFrameCmd
{
// If the sprite has an array of images, this is the array index.
// If the sprite has a sheet, this is the tile offset.
u32 imageValue:16;
u32 duration:6;
u32 hFlip:1;
u32 vFlip:1;
};
struct AnimLoopCmd
{
u32 type:16;
u32 count:6;
};
struct AnimJumpCmd
{
u32 type:16;
u32 target:6;
};
// The first halfword of this union specifies the type of command.
// If it -2, then it is a jump command. If it is -1, then it is the end of the script.
// Otherwise, it is the imageValue for a frame command.
union AnimCmd
{
s16 type;
struct AnimFrameCmd frame;
struct AnimLoopCmd loop;
struct AnimJumpCmd jump;
};
#define ANIMCMD_FRAME(...) \
{.frame = {__VA_ARGS__}}
#define ANIMCMD_LOOP(_count) \
{.loop = {.type = -3, .count = _count}}
#define ANIMCMD_JUMP(_target) \
{.jump = {.type = -2, .target = _target}}
#define ANIMCMD_END \
{.type = -1}
struct AffineAnimFrameCmd
{
s16 xScale;
s16 yScale;
u8 rotation;
u8 duration;
};
struct AffineAnimLoopCmd
{
s16 type;
s16 count;
};
struct AffineAnimJumpCmd
{
s16 type;
u16 target;
};
struct AffineAnimEndCmdAlt
{
s16 type;
u16 val;
};
union AffineAnimCmd
{
s16 type;
struct AffineAnimFrameCmd frame;
struct AffineAnimLoopCmd loop;
struct AffineAnimJumpCmd jump;
struct AffineAnimEndCmdAlt end; // unused in code
};
#define AFFINEANIMCMDTYPE_LOOP 0x7FFD
#define AFFINEANIMCMDTYPE_JUMP 0x7FFE
#define AFFINEANIMCMDTYPE_END 0x7FFF
#define AFFINEANIMCMD_FRAME(_xScale, _yScale, _rotation, _duration) \
{.frame = {.xScale = _xScale, .yScale = _yScale, .rotation = _rotation, .duration = _duration}}
#define AFFINEANIMCMD_LOOP(_count) \
{.loop = {.type = AFFINEANIMCMDTYPE_LOOP, .count = _count}}
#define AFFINEANIMCMD_JUMP(_target) \
{.jump = {.type = AFFINEANIMCMDTYPE_JUMP, .target = _target}}
#define AFFINEANIMCMD_END \
{.type = AFFINEANIMCMDTYPE_END}
#define AFFINEANIMCMD_END_ALT(_val) \
{.end = {.type = AFFINEANIMCMDTYPE_END, .val = _val}}
struct AffineAnimState
{
u8 animNum;
u8 animCmdIndex;
u8 delayCounter;
u8 loopCounter;
s16 xScale;
s16 yScale;
u16 rotation;
};
enum
{
SUBSPRITES_OFF,
SUBSPRITES_ON,
SUBSPRITES_IGNORE_PRIORITY, // on but priority is ignored
};
struct Subsprite
{
s8 x; // was u16 in R/S
s8 y; // was u16 in R/S
u16 shape:2;
u16 size:2;
u16 tileOffset:10;
u16 priority:2;
};
struct SubspriteTable
{
u8 subspriteCount;
const struct Subsprite *subsprites;
};
struct Sprite;
typedef void (*SpriteCallback)(struct Sprite *);
struct SpriteTemplate
{
u16 tileTag;
u16 paletteTag;
const struct OamData *oam;
const union AnimCmd *const *anims;
const struct SpriteFrameImage *images;
const union AffineAnimCmd *const *affineAnims;
SpriteCallback callback;
};
// UB: template pointer is often used to point to temporary storage,
// then later dereferenced after being freed. Usually this won't
// be visible in-game, but this is (part of) what causes the item
// icon palette to flicker when changing items in the bag.
struct Sprite
{
/*0x00*/ struct OamData oam;
/*0x08*/ const union AnimCmd *const *anims;
/*0x0C*/ const struct SpriteFrameImage *images;
/*0x10*/ const union AffineAnimCmd *const *affineAnims;
/*0x14*/ const struct SpriteTemplate *template;
/*0x18*/ const struct SubspriteTable *subspriteTables;
/*0x1C*/ SpriteCallback callback;
/*0x20*/ s16 x, y;
/*0x24*/ s16 x2, y2;
/*0x28*/ s8 centerToCornerVecX;
/*0x29*/ s8 centerToCornerVecY;
/*0x2A*/ u8 animNum;
/*0x2B*/ u8 animCmdIndex;
/*0x2C*/ u8 animDelayCounter:6;
bool8 animPaused:1;
bool8 affineAnimPaused:1;
/*0x2D*/ u8 animLoopCounter;
// general purpose data fields
/*0x2E*/ s16 data[8];
/*0x3E*/ bool16 inUse:1; //1
bool16 coordOffsetEnabled:1; //2
bool16 invisible:1; //4
bool16 flags_3:1; //8
bool16 flags_4:1; //0x10
bool16 flags_5:1; //0x20
bool16 flags_6:1; //0x40
bool16 flags_7:1; //0x80
/*0x3F*/ bool16 hFlip:1; //1
bool16 vFlip:1; //2
bool16 animBeginning:1; //4
bool16 affineAnimBeginning:1; //8
bool16 animEnded:1; //0x10
bool16 affineAnimEnded:1; //0x20
bool16 usingSheet:1; //0x40
bool16 anchored:1; //0x80
/*0x40*/ u16 sheetTileStart;
/*0x42*/ u8 subspriteTableNum:6;
u8 subspriteMode:2;
/*0x43*/ u8 subpriority;
};
struct OamMatrix
{
s16 a;
s16 b;
s16 c;
s16 d;
};
extern const struct OamData gDummyOamData;
extern const union AnimCmd *const gDummySpriteAnimTable[];
extern const union AffineAnimCmd *const gDummySpriteAffineAnimTable[];
extern const struct SpriteTemplate gDummySpriteTemplate;
extern u8 gReservedSpritePaletteCount;
extern struct Sprite gSprites[];
extern u8 gOamLimit;
extern u16 gReservedSpriteTileCount;
extern s16 gSpriteCoordOffsetX;
extern s16 gSpriteCoordOffsetY;
extern struct OamMatrix gOamMatrices[];
extern bool8 gAffineAnimsDisabled;
void ResetSpriteData(void);
void AnimateSprites(void);
void BuildOamBuffer(void);
u8 CreateSprite(const struct SpriteTemplate *template, s16 x, s16 y, u8 subpriority);
u8 CreateSpriteAtEnd(const struct SpriteTemplate *template, s16 x, s16 y, u8 subpriority);
u8 CreateInvisibleSprite(void (*callback)(struct Sprite *));
u8 CreateSpriteAndAnimate(const struct SpriteTemplate *template, s16 x, s16 y, u8 subpriority);
void DestroySprite(struct Sprite *sprite);
void ResetOamRange(u8 a, u8 b);
void LoadOam(void);
void SetOamMatrix(u8 matrixNum, u16 a, u16 b, u16 c, u16 d);
void CalcCenterToCornerVec(struct Sprite *sprite, u8 shape, u8 size, u8 affineMode);
void SpriteCallbackDummy(struct Sprite *sprite);
void ProcessSpriteCopyRequests(void);
void RequestSpriteCopy(const u8 *src, u8 *dest, u16 size);
void FreeSpriteTiles(struct Sprite *sprite);
void FreeSpritePalette(struct Sprite *sprite);
void FreeSpriteOamMatrix(struct Sprite *sprite);
void DestroySpriteAndFreeResources(struct Sprite *sprite);
void AnimateSprite(struct Sprite *sprite);
void SetSpriteMatrixAnchor(struct Sprite* sprite, s16 x, s16 y);
void StartSpriteAnim(struct Sprite *sprite, u8 animNum);
void StartSpriteAnimIfDifferent(struct Sprite *sprite, u8 animNum);
void SeekSpriteAnim(struct Sprite *sprite, u8 animCmdIndex);
void StartSpriteAffineAnim(struct Sprite *sprite, u8 animNum);
void StartSpriteAffineAnimIfDifferent(struct Sprite *sprite, u8 animNum);
void ChangeSpriteAffineAnim(struct Sprite *sprite, u8 animNum);
void ChangeSpriteAffineAnimIfDifferent(struct Sprite *sprite, u8 animNum);
void SetSpriteSheetFrameTileNum(struct Sprite *sprite);
u8 AllocOamMatrix(void);
void FreeOamMatrix(u8 matrixNum);
void InitSpriteAffineAnim(struct Sprite *sprite);
void SetOamMatrixRotationScaling(u8 matrixNum, s16 xScale, s16 yScale, u16 rotation);
u16 LoadSpriteSheet(const struct SpriteSheet *sheet);
void LoadSpriteSheets(const struct SpriteSheet *sheets);
u16 AllocTilesForSpriteSheet(struct SpriteSheet *sheet);
void AllocTilesForSpriteSheets(struct SpriteSheet *sheets);
void LoadTilesForSpriteSheet(const struct SpriteSheet *sheet);
void LoadTilesForSpriteSheets(struct SpriteSheet *sheets);
void FreeSpriteTilesByTag(u16 tag);
void FreeSpriteTileRanges(void);
u16 GetSpriteTileStartByTag(u16 tag);
u16 GetSpriteTileTagByTileStart(u16 start);
void RequestSpriteSheetCopy(const struct SpriteSheet *sheet);
u16 LoadSpriteSheetDeferred(const struct SpriteSheet *sheet);
void FreeAllSpritePalettes(void);
u8 LoadSpritePalette(const struct SpritePalette *palette);
void LoadSpritePalettes(const struct SpritePalette *palettes);
u8 AllocSpritePalette(u16 tag);
u8 IndexOfSpritePaletteTag(u16 tag);
u16 GetSpritePaletteTagByPaletteNum(u8 paletteNum);
void FreeSpritePaletteByTag(u16 tag);
void SetSubspriteTables(struct Sprite *sprite, const struct SubspriteTable *subspriteTables);
bool8 AddSpriteToOamBuffer(struct Sprite *object, u8 *oamIndex);
bool8 AddSubspritesToOamBuffer(struct Sprite *sprite, struct OamData *destOam, u8 *oamIndex);
void CopyToSprites(u8 *src);
void CopyFromSprites(u8 *dest);
u8 SpriteTileAllocBitmapOp(u16 bit, u8 op);
void ClearSpriteCopyRequests(void);
void ResetAffineAnimData(void);
#endif //GUARD_SPRITE_H

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#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_SIZE:
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,
6,
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_SIZE] = 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_TEXT] = 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;
}

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#ifndef GUARD_STRING_UTIL_H
#define GUARD_STRING_UTIL_H
extern u8 gStringVar1[0x100];
extern u8 gStringVar2[0x100];
extern u8 gStringVar3[0x100];
extern u8 gStringVar4[0x3E8];
enum StringConvertMode
{
STR_CONV_MODE_LEFT_ALIGN,
STR_CONV_MODE_RIGHT_ALIGN,
STR_CONV_MODE_LEADING_ZEROS
};
u8 *StringCopy_Nickname(u8 *dest, const u8 *src);
u8 *StringGet_Nickname(u8 *str);
u8 *StringCopy_PlayerName(u8 *dest, const u8 *src);
u8 *StringCopy(u8 *dest, const u8 *src);
u8 *StringAppend(u8 *dest, const u8 *src);
u8 *StringCopyN(u8 *dest, const u8 *src, u8 n);
u8 *StringAppendN(u8 *dest, const u8 *src, u8 n);
u16 StringLength(const u8 *str);
s32 StringCompare(const u8 *str1, const u8 *str2);
s32 StringCompareN(const u8 *str1, const u8 *str2, u32 n);
bool8 IsStringLengthAtLeast(const u8 *str, s32 n);
u8 *ConvertIntToDecimalStringN(u8 *dest, s32 value, enum StringConvertMode mode, u8 n);
u8 *ConvertUIntToDecimalStringN(u8 *dest, u32 value, enum StringConvertMode mode, u8 n);
u8 *ConvertIntToHexStringN(u8 *dest, s32 value, enum StringConvertMode mode, u8 n);
u8 *StringExpandPlaceholders(u8 *dest, const u8 *src);
u8 *StringBraille(u8 *dest, const u8 *src);
const u8 *GetExpandedPlaceholder(u32 id);
u8 *StringFill(u8 *dest, u8 c, u16 n);
u8 *StringCopyPadded(u8 *dest, const u8 *src, u8 c, u16 n);
u8 *StringFillWithTerminator(u8 *dest, u16 n);
u8 *StringCopyN_Multibyte(u8 *dest, u8 *src, u32 n);
u32 StringLength_Multibyte(const u8 *str);
u8 *WriteColorChangeControlCode(u8 *dest, u32 colorType, u8 color);
bool32 IsStringJapanese(u8 *str);
bool32 IsStringNJapanese(u8 *str, s32 n);
u8 GetExtCtrlCodeLength(u8 code);
s32 StringCompareWithoutExtCtrlCodes(const u8 *str1, const u8 *str2);
void ConvertInternationalString(u8 *s, u8 language);
void StripExtCtrlCodes(u8 *str);
#endif // GUARD_STRING_UTIL_H

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#include "global.h"
#include "battle.h"
#include "main.h"
#include "m4a.h"
#include "palette.h"
#include "sound.h"
#include "constants/songs.h"
#include "string_util.h"
#include "window.h"
#include "text.h"
#include "blit.h"
#include "menu.h"
#include "dynamic_placeholder_text_util.h"
#include "fonts.h"
static u16 RenderText(struct TextPrinter *);
static u32 RenderFont(struct TextPrinter *);
static u16 FontFunc_Small(struct TextPrinter *);
static u16 FontFunc_Normal(struct TextPrinter *);
static u16 FontFunc_Short(struct TextPrinter *);
static u16 FontFunc_ShortCopy1(struct TextPrinter *);
static u16 FontFunc_ShortCopy2(struct TextPrinter *);
static u16 FontFunc_ShortCopy3(struct TextPrinter *);
static u16 FontFunc_Narrow(struct TextPrinter *);
static u16 FontFunc_SmallNarrow(struct TextPrinter *);
static void DecompressGlyph_Small(u16, bool32);
static void DecompressGlyph_Normal(u16, bool32);
static void DecompressGlyph_Short(u16, bool32);
static void DecompressGlyph_Narrow(u16, bool32);
static void DecompressGlyph_SmallNarrow(u16, bool32);
static void DecompressGlyph_Bold(u16);
static u32 GetGlyphWidth_Small(u16, bool32);
static u32 GetGlyphWidth_Normal(u16, bool32);
static u32 GetGlyphWidth_Short(u16, bool32);
static u32 GetGlyphWidth_Narrow(u16, bool32);
static u32 GetGlyphWidth_SmallNarrow(u16, bool32);
static EWRAM_DATA struct TextPrinter sTempTextPrinter = {0};
static EWRAM_DATA struct TextPrinter sTextPrinters[NUM_TEXT_PRINTERS] = {0};
static u16 sFontHalfRowLookupTable[0x51];
static u16 sLastTextBgColor;
static u16 sLastTextFgColor;
static u16 sLastTextShadowColor;
const struct FontInfo *gFonts;
bool8 gDisableTextPrinters;
struct TextGlyph gCurGlyph;
TextFlags gTextFlags;
static const u8 sFontHalfRowOffsets[] =
{
0x00, 0x01, 0x02, 0x00, 0x03, 0x04, 0x05, 0x03, 0x06, 0x07, 0x08, 0x06, 0x00, 0x01, 0x02, 0x00,
0x09, 0x0A, 0x0B, 0x09, 0x0C, 0x0D, 0x0E, 0x0C, 0x0F, 0x10, 0x11, 0x0F, 0x09, 0x0A, 0x0B, 0x09,
0x12, 0x13, 0x14, 0x12, 0x15, 0x16, 0x17, 0x15, 0x18, 0x19, 0x1A, 0x18, 0x12, 0x13, 0x14, 0x12,
0x00, 0x01, 0x02, 0x00, 0x03, 0x04, 0x05, 0x03, 0x06, 0x07, 0x08, 0x06, 0x00, 0x01, 0x02, 0x00,
0x1B, 0x1C, 0x1D, 0x1B, 0x1E, 0x1F, 0x20, 0x1E, 0x21, 0x22, 0x23, 0x21, 0x1B, 0x1C, 0x1D, 0x1B,
0x24, 0x25, 0x26, 0x24, 0x27, 0x28, 0x29, 0x27, 0x2A, 0x2B, 0x2C, 0x2A, 0x24, 0x25, 0x26, 0x24,
0x2D, 0x2E, 0x2F, 0x2D, 0x30, 0x31, 0x32, 0x30, 0x33, 0x34, 0x35, 0x33, 0x2D, 0x2E, 0x2F, 0x2D,
0x1B, 0x1C, 0x1D, 0x1B, 0x1E, 0x1F, 0x20, 0x1E, 0x21, 0x22, 0x23, 0x21, 0x1B, 0x1C, 0x1D, 0x1B,
0x36, 0x37, 0x38, 0x36, 0x39, 0x3A, 0x3B, 0x39, 0x3C, 0x3D, 0x3E, 0x3C, 0x36, 0x37, 0x38, 0x36,
0x3F, 0x40, 0x41, 0x3F, 0x42, 0x43, 0x44, 0x42, 0x45, 0x46, 0x47, 0x45, 0x3F, 0x40, 0x41, 0x3F,
0x48, 0x49, 0x4A, 0x48, 0x4B, 0x4C, 0x4D, 0x4B, 0x4E, 0x4F, 0x50, 0x4E, 0x48, 0x49, 0x4A, 0x48,
0x36, 0x37, 0x38, 0x36, 0x39, 0x3A, 0x3B, 0x39, 0x3C, 0x3D, 0x3E, 0x3C, 0x36, 0x37, 0x38, 0x36,
0x00, 0x01, 0x02, 0x00, 0x03, 0x04, 0x05, 0x03, 0x06, 0x07, 0x08, 0x06, 0x00, 0x01, 0x02, 0x00,
0x09, 0x0A, 0x0B, 0x09, 0x0C, 0x0D, 0x0E, 0x0C, 0x0F, 0x10, 0x11, 0x0F, 0x09, 0x0A, 0x0B, 0x09,
0x12, 0x13, 0x14, 0x12, 0x15, 0x16, 0x17, 0x15, 0x18, 0x19, 0x1A, 0x18, 0x12, 0x13, 0x14, 0x12,
0x00, 0x01, 0x02, 0x00, 0x03, 0x04, 0x05, 0x03, 0x06, 0x07, 0x08, 0x06, 0x00, 0x01, 0x02, 0x00
};
static const u8 sDownArrowTiles[] = INCBIN_U8("graphics/fonts/down_arrow.4bpp");
static const u8 sDarkDownArrowTiles[] = INCBIN_U8("graphics/fonts/down_arrow_alt.4bpp");
static const u8 sUnusedFRLGBlankedDownArrow[] = INCBIN_U8("graphics/fonts/unused_frlg_blanked_down_arrow.4bpp");
static const u8 sUnusedFRLGDownArrow[] = INCBIN_U8("graphics/fonts/unused_frlg_down_arrow.4bpp");
static const u8 sDownArrowYCoords[] = { 0, 1, 2, 1 };
static const u8 sWindowVerticalScrollSpeeds[] = {
[OPTIONS_TEXT_SPEED_SLOW] = 1,
[OPTIONS_TEXT_SPEED_MID] = 2,
[OPTIONS_TEXT_SPEED_FAST] = 4,
};
static const struct GlyphWidthFunc sGlyphWidthFuncs[] =
{
{ FONT_SMALL, GetGlyphWidth_Small },
{ FONT_NORMAL, GetGlyphWidth_Normal },
{ FONT_SHORT, GetGlyphWidth_Short },
{ FONT_SHORT_COPY_1, GetGlyphWidth_Short },
{ FONT_SHORT_COPY_2, GetGlyphWidth_Short },
{ FONT_SHORT_COPY_3, GetGlyphWidth_Short },
{ FONT_BRAILLE, GetGlyphWidth_Braille },
{ FONT_NARROW, GetGlyphWidth_Narrow },
{ FONT_SMALL_NARROW, GetGlyphWidth_SmallNarrow }
};
struct
{
u16 tileOffset;
u8 width;
u8 height;
} static const sKeypadIcons[] =
{
[CHAR_A_BUTTON] = { 0x00, 8, 12 },
[CHAR_B_BUTTON] = { 0x01, 8, 12 },
[CHAR_L_BUTTON] = { 0x02, 16, 12 },
[CHAR_R_BUTTON] = { 0x04, 16, 12 },
[CHAR_START_BUTTON] = { 0x06, 24, 12 },
[CHAR_SELECT_BUTTON] = { 0x09, 24, 12 },
[CHAR_DPAD_UP] = { 0x0C, 8, 12 },
[CHAR_DPAD_DOWN] = { 0x0D, 8, 12 },
[CHAR_DPAD_LEFT] = { 0x0E, 8, 12 },
[CHAR_DPAD_RIGHT] = { 0x0F, 8, 12 },
[CHAR_DPAD_UPDOWN] = { 0x20, 8, 12 },
[CHAR_DPAD_LEFTRIGHT] = { 0x21, 8, 12 },
[CHAR_DPAD_NONE] = { 0x22, 8, 12 }
};
static const u8 sKeypadIconTiles[] = INCBIN_U8("graphics/fonts/keypad_icons.4bpp");
static const struct FontInfo sFontInfos[] =
{
[FONT_SMALL] = {
.fontFunction = FontFunc_Small,
.maxLetterWidth = 5,
.maxLetterHeight = 12,
.letterSpacing = 0,
.lineSpacing = 0,
.fgColor = 2,
.bgColor = 1,
.shadowColor = 3,
},
[FONT_NORMAL] = {
.fontFunction = FontFunc_Normal,
.maxLetterWidth = 6,
.maxLetterHeight = 16,
.letterSpacing = 0,
.lineSpacing = 0,
.fgColor = 2,
.bgColor = 1,
.shadowColor = 3,
},
[FONT_SHORT] = {
.fontFunction = FontFunc_Short,
.maxLetterWidth = 6,
.maxLetterHeight = 14,
.letterSpacing = 0,
.lineSpacing = 0,
.fgColor = 2,
.bgColor = 1,
.shadowColor = 3,
},
[FONT_SHORT_COPY_1] = {
.fontFunction = FontFunc_ShortCopy1,
.maxLetterWidth = 6,
.maxLetterHeight = 14,
.letterSpacing = 0,
.lineSpacing = 0,
.fgColor = 2,
.bgColor = 1,
.shadowColor = 3,
},
[FONT_SHORT_COPY_2] = {
.fontFunction = FontFunc_ShortCopy2,
.maxLetterWidth = 6,
.maxLetterHeight = 14,
.letterSpacing = 0,
.lineSpacing = 0,
.fgColor = 2,
.bgColor = 1,
.shadowColor = 3,
},
[FONT_SHORT_COPY_3] = {
.fontFunction = FontFunc_ShortCopy3,
.maxLetterWidth = 6,
.maxLetterHeight = 14,
.letterSpacing = 0,
.lineSpacing = 0,
.fgColor = 2,
.bgColor = 1,
.shadowColor = 3,
},
[FONT_BRAILLE] = {
.fontFunction = FontFunc_Braille,
.maxLetterWidth = 8,
.maxLetterHeight = 16,
.letterSpacing = 0,
.lineSpacing = 8,
.fgColor = 2,
.bgColor = 1,
.shadowColor = 3,
},
[FONT_NARROW] = {
.fontFunction = FontFunc_Narrow,
.maxLetterWidth = 5,
.maxLetterHeight = 16,
.letterSpacing = 0,
.lineSpacing = 0,
.fgColor = 2,
.bgColor = 1,
.shadowColor = 3,
},
[FONT_SMALL_NARROW] = {
.fontFunction = FontFunc_SmallNarrow,
.maxLetterWidth = 5,
.maxLetterHeight = 8,
.letterSpacing = 0,
.lineSpacing = 0,
.fgColor = 2,
.bgColor = 1,
.shadowColor = 3,
},
[FONT_BOLD] = {
.fontFunction = NULL,
.maxLetterWidth = 8,
.maxLetterHeight = 8,
.letterSpacing = 0,
.lineSpacing = 0,
.fgColor = 1,
.bgColor = 2,
.shadowColor = 15,
}
};
static const u8 sMenuCursorDimensions[][2] =
{
[FONT_SMALL] = { 8, 12 },
[FONT_NORMAL] = { 8, 15 },
[FONT_SHORT] = { 8, 14 },
[FONT_SHORT_COPY_1] = { 8, 14 },
[FONT_SHORT_COPY_2] = { 8, 14 },
[FONT_SHORT_COPY_3] = { 8, 14 },
[FONT_BRAILLE] = { 8, 16 },
[FONT_NARROW] = { 8, 15 },
[FONT_SMALL_NARROW] = { 8, 8 },
[FONT_BOLD] = {}
};
static const u16 sFontBoldJapaneseGlyphs[] = INCBIN_U16("graphics/fonts/bold.hwjpnfont");
static void SetFontsPointer(const struct FontInfo *fonts)
{
gFonts = fonts;
}
void DeactivateAllTextPrinters(void)
{
int printer;
for (printer = 0; printer < NUM_TEXT_PRINTERS; ++printer)
sTextPrinters[printer].active = FALSE;
}
u16 AddTextPrinterParameterized(u8 windowId, u8 fontId, const u8 *str, u8 x, u8 y, u8 speed, void (*callback)(struct TextPrinterTemplate *, u16))
{
struct TextPrinterTemplate printerTemplate;
printerTemplate.currentChar = str;
printerTemplate.windowId = windowId;
printerTemplate.fontId = fontId;
printerTemplate.x = x;
printerTemplate.y = y;
printerTemplate.currentX = x;
printerTemplate.currentY = y;
printerTemplate.letterSpacing = gFonts[fontId].letterSpacing;
printerTemplate.lineSpacing = gFonts[fontId].lineSpacing;
printerTemplate.unk = gFonts[fontId].unk;
printerTemplate.fgColor = gFonts[fontId].fgColor;
printerTemplate.bgColor = gFonts[fontId].bgColor;
printerTemplate.shadowColor = gFonts[fontId].shadowColor;
return AddTextPrinter(&printerTemplate, speed, callback);
}
bool16 AddTextPrinter(struct TextPrinterTemplate *printerTemplate, u8 speed, void (*callback)(struct TextPrinterTemplate *, u16))
{
int i;
u16 j;
if (!gFonts)
return FALSE;
sTempTextPrinter.active = TRUE;
sTempTextPrinter.state = RENDER_STATE_HANDLE_CHAR;
sTempTextPrinter.textSpeed = speed;
sTempTextPrinter.delayCounter = 0;
sTempTextPrinter.scrollDistance = 0;
for (i = 0; i < (int)ARRAY_COUNT(sTempTextPrinter.subStructFields); i++)
sTempTextPrinter.subStructFields[i] = 0;
sTempTextPrinter.printerTemplate = *printerTemplate;
sTempTextPrinter.callback = callback;
sTempTextPrinter.minLetterSpacing = 0;
sTempTextPrinter.japanese = 0;
GenerateFontHalfRowLookupTable(printerTemplate->fgColor, printerTemplate->bgColor, printerTemplate->shadowColor);
if (speed != TEXT_SKIP_DRAW && speed != 0)
{
--sTempTextPrinter.textSpeed;
sTextPrinters[printerTemplate->windowId] = sTempTextPrinter;
}
else
{
sTempTextPrinter.textSpeed = 0;
// Render all text (up to limit) at once
for (j = 0; j < 0x400; ++j)
{
if (RenderFont(&sTempTextPrinter) == RENDER_FINISH)
break;
}
// All the text is rendered to the window but don't draw it yet.
if (speed != TEXT_SKIP_DRAW)
CopyWindowToVram(sTempTextPrinter.printerTemplate.windowId, COPYWIN_GFX);
sTextPrinters[printerTemplate->windowId].active = FALSE;
}
gDisableTextPrinters = FALSE;
return TRUE;
}
void RunTextPrinters(void)
{
int i;
if (!gDisableTextPrinters)
{
for (i = 0; i < NUM_TEXT_PRINTERS; ++i)
{
if (sTextPrinters[i].active)
{
u16 temp = RenderFont(&sTextPrinters[i]);
switch (temp)
{
case RENDER_PRINT:
CopyWindowToVram(sTextPrinters[i].printerTemplate.windowId, COPYWIN_GFX);
case RENDER_UPDATE:
if (sTextPrinters[i].callback != 0)
sTextPrinters[i].callback(&sTextPrinters[i].printerTemplate, temp);
break;
case RENDER_FINISH:
sTextPrinters[i].active = FALSE;
break;
}
}
}
}
}
bool16 IsTextPrinterActive(u8 id)
{
return sTextPrinters[id].active;
}
static u32 RenderFont(struct TextPrinter *textPrinter)
{
u32 ret;
while (TRUE)
{
ret = gFonts[textPrinter->printerTemplate.fontId].fontFunction(textPrinter);
if (ret != RENDER_REPEAT)
return ret;
}
}
void GenerateFontHalfRowLookupTable(u8 fgColor, u8 bgColor, u8 shadowColor)
{
u32 fg12, bg12, shadow12;
u32 temp;
u16 *current = sFontHalfRowLookupTable;
sLastTextBgColor = bgColor;
sLastTextFgColor = fgColor;
sLastTextShadowColor = shadowColor;
bg12 = bgColor << 12;
fg12 = fgColor << 12;
shadow12 = shadowColor << 12;
temp = (bgColor << 8) | (bgColor << 4) | bgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (fgColor << 8) | (bgColor << 4) | bgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (shadowColor << 8) | (bgColor << 4) | bgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (bgColor << 8) | (fgColor << 4) | bgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (fgColor << 8) | (fgColor << 4) | bgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (shadowColor << 8) | (fgColor << 4) | bgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (bgColor << 8) | (shadowColor << 4) | bgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (fgColor << 8) | (shadowColor << 4) | bgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (shadowColor << 8) | (shadowColor << 4) | bgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (bgColor << 8) | (bgColor << 4) | fgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (fgColor << 8) | (bgColor << 4) | fgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (shadowColor << 8) | (bgColor << 4) | fgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (bgColor << 8) | (fgColor << 4) | fgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (fgColor << 8) | (fgColor << 4) | fgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (shadowColor << 8) | (fgColor << 4) | fgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (bgColor << 8) | (shadowColor << 4) | fgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (fgColor << 8) | (shadowColor << 4) | fgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (shadowColor << 8) | (shadowColor << 4) | fgColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (bgColor << 8) | (bgColor << 4) | shadowColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (fgColor << 8) | (bgColor << 4) | shadowColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (shadowColor << 8) | (bgColor << 4) | shadowColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (bgColor << 8) | (fgColor << 4) | shadowColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (fgColor << 8) | (fgColor << 4) | shadowColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (shadowColor << 8) | (fgColor << 4) | shadowColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (bgColor << 8) | (shadowColor << 4) | shadowColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (fgColor << 8) | (shadowColor << 4) | shadowColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
temp = (shadowColor << 8) | (shadowColor << 4) | shadowColor;
*(current++) = (bg12) | temp;
*(current++) = (fg12) | temp;
*(current++) = (shadow12) | temp;
}
void SaveTextColors(u8 *fgColor, u8 *bgColor, u8 *shadowColor)
{
*bgColor = sLastTextBgColor;
*fgColor = sLastTextFgColor;
*shadowColor = sLastTextShadowColor;
}
void RestoreTextColors(u8 *fgColor, u8 *bgColor, u8 *shadowColor)
{
GenerateFontHalfRowLookupTable(*fgColor, *bgColor, *shadowColor);
}
void DecompressGlyphTile(const void *src_, void *dest_)
{
u32 temp;
const u16 *src = src_;
u32 *dest = dest_;
temp = *(src++);
*(dest)++ = ((sFontHalfRowLookupTable[sFontHalfRowOffsets[temp & 0xFF]]) << 16) | (sFontHalfRowLookupTable[sFontHalfRowOffsets[temp >> 8]]);
temp = *(src++);
*(dest++) = ((sFontHalfRowLookupTable[sFontHalfRowOffsets[temp & 0xFF]]) << 16) | (sFontHalfRowLookupTable[sFontHalfRowOffsets[temp >> 8]]);
temp = *(src++);
*(dest++) = ((sFontHalfRowLookupTable[sFontHalfRowOffsets[temp & 0xFF]]) << 16) | (sFontHalfRowLookupTable[sFontHalfRowOffsets[temp >> 8]]);
temp = *(src++);
*(dest++) = ((sFontHalfRowLookupTable[sFontHalfRowOffsets[temp & 0xFF]]) << 16) | (sFontHalfRowLookupTable[sFontHalfRowOffsets[temp >> 8]]);
temp = *(src++);
*(dest++) = ((sFontHalfRowLookupTable[sFontHalfRowOffsets[temp & 0xFF]]) << 16) | (sFontHalfRowLookupTable[sFontHalfRowOffsets[temp >> 8]]);
temp = *(src++);
*(dest++) = ((sFontHalfRowLookupTable[sFontHalfRowOffsets[temp & 0xFF]]) << 16) | (sFontHalfRowLookupTable[sFontHalfRowOffsets[temp >> 8]]);
temp = *(src++);
*(dest++) = ((sFontHalfRowLookupTable[sFontHalfRowOffsets[temp & 0xFF]]) << 16) | (sFontHalfRowLookupTable[sFontHalfRowOffsets[temp >> 8]]);
temp = *(src++);
*(dest++) = ((sFontHalfRowLookupTable[sFontHalfRowOffsets[temp & 0xFF]]) << 16) | (sFontHalfRowLookupTable[sFontHalfRowOffsets[temp >> 8]]);
}
// Unused
static u8 GetLastTextColor(u8 colorType)
{
switch (colorType)
{
case 0:
return sLastTextFgColor;
case 2:
return sLastTextBgColor;
case 1:
return sLastTextShadowColor;
default:
return 0;
}
}
inline static void GLYPH_COPY(u8 *windowTiles, u32 widthOffset, u32 j, u32 i, u32 *glyphPixels, s32 width, s32 height)
{
u32 xAdd, yAdd, pixelData, bits, toOrr, dummyX;
u8 *dst;
xAdd = j + width;
yAdd = i + height;
dummyX = j;
for (; i < yAdd; i++)
{
pixelData = *glyphPixels++;
for (j = dummyX; j < xAdd; j++)
{
if ((toOrr = pixelData & 0xF))
{
dst = windowTiles + ((j / 8) * 32) + ((j % 8) / 2) + ((i / 8) * widthOffset) + ((i % 8) * 4);
bits = ((j & 1) * 4);
*dst = (toOrr << bits) | (*dst & (0xF0 >> bits));
}
pixelData >>= 4;
}
}
}
void CopyGlyphToWindow(struct TextPrinter *textPrinter)
{
struct Window *window;
struct WindowTemplate *template;
u32 *glyphPixels;
u32 currX, currY, widthOffset;
s32 glyphWidth, glyphHeight;
u8 *windowTiles;
window = &gWindows[textPrinter->printerTemplate.windowId];
template = &window->window;
if ((glyphWidth = (template->width * 8) - textPrinter->printerTemplate.currentX) > gCurGlyph.width)
glyphWidth = gCurGlyph.width;
if ((glyphHeight = (template->height * 8) - textPrinter->printerTemplate.currentY) > gCurGlyph.height)
glyphHeight = gCurGlyph.height;
currX = textPrinter->printerTemplate.currentX;
currY = textPrinter->printerTemplate.currentY;
glyphPixels = gCurGlyph.gfxBufferTop;
windowTiles = window->tileData;
widthOffset = template->width * 32;
if (glyphWidth < 9)
{
if (glyphHeight < 9)
{
GLYPH_COPY(windowTiles, widthOffset, currX, currY, glyphPixels, glyphWidth, glyphHeight);
}
else
{
GLYPH_COPY(windowTiles, widthOffset, currX, currY, glyphPixels, glyphWidth, 8);
GLYPH_COPY(windowTiles, widthOffset, currX, currY + 8, glyphPixels + 16, glyphWidth, glyphHeight - 8);
}
}
else
{
if (glyphHeight < 9)
{
GLYPH_COPY(windowTiles, widthOffset, currX, currY, glyphPixels, 8, glyphHeight);
GLYPH_COPY(windowTiles, widthOffset, currX + 8, currY, glyphPixels + 8, glyphWidth - 8, glyphHeight);
}
else
{
GLYPH_COPY(windowTiles, widthOffset, currX, currY, glyphPixels, 8, 8);
GLYPH_COPY(windowTiles, widthOffset, currX + 8, currY, glyphPixels + 8, glyphWidth - 8, 8);
GLYPH_COPY(windowTiles, widthOffset, currX, currY + 8, glyphPixels + 16, 8, glyphHeight - 8);
GLYPH_COPY(windowTiles, widthOffset, currX + 8, currY + 8, glyphPixels + 24, glyphWidth - 8, glyphHeight - 8);
}
}
}
void ClearTextSpan(struct TextPrinter *textPrinter, u32 width)
{
struct Window *window;
struct Bitmap pixels_data;
struct TextGlyph *glyph;
u8* glyphHeight;
if (sLastTextBgColor != TEXT_COLOR_TRANSPARENT)
{
window = &gWindows[textPrinter->printerTemplate.windowId];
pixels_data.pixels = window->tileData;
pixels_data.width = window->window.width << 3;
pixels_data.height = window->window.height << 3;
glyph = &gCurGlyph;
glyphHeight = &glyph->height;
FillBitmapRect4Bit(
&pixels_data,
textPrinter->printerTemplate.currentX,
textPrinter->printerTemplate.currentY,
width,
*glyphHeight,
sLastTextBgColor);
}
}
static u16 FontFunc_Small(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
if (subStruct->hasFontIdBeenSet == FALSE)
{
subStruct->fontId = FONT_SMALL;
subStruct->hasFontIdBeenSet = TRUE;
}
return RenderText(textPrinter);
}
static u16 FontFunc_Normal(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
if (subStruct->hasFontIdBeenSet == FALSE)
{
subStruct->fontId = FONT_NORMAL;
subStruct->hasFontIdBeenSet = TRUE;
}
return RenderText(textPrinter);
}
static u16 FontFunc_Short(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
if (subStruct->hasFontIdBeenSet == FALSE)
{
subStruct->fontId = FONT_SHORT;
subStruct->hasFontIdBeenSet = TRUE;
}
return RenderText(textPrinter);
}
static u16 FontFunc_ShortCopy1(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
if (subStruct->hasFontIdBeenSet == FALSE)
{
subStruct->fontId = FONT_SHORT_COPY_1;
subStruct->hasFontIdBeenSet = TRUE;
}
return RenderText(textPrinter);
}
static u16 FontFunc_ShortCopy2(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
if (subStruct->hasFontIdBeenSet == FALSE)
{
subStruct->fontId = FONT_SHORT_COPY_2;
subStruct->hasFontIdBeenSet = TRUE;
}
return RenderText(textPrinter);
}
static u16 FontFunc_ShortCopy3(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
if (subStruct->hasFontIdBeenSet == FALSE)
{
subStruct->fontId = FONT_SHORT_COPY_3;
subStruct->hasFontIdBeenSet = TRUE;
}
return RenderText(textPrinter);
}
static u16 FontFunc_Narrow(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
if (subStruct->hasFontIdBeenSet == FALSE)
{
subStruct->fontId = FONT_NARROW;
subStruct->hasFontIdBeenSet = TRUE;
}
return RenderText(textPrinter);
}
static u16 FontFunc_SmallNarrow(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
if (subStruct->hasFontIdBeenSet == FALSE)
{
subStruct->fontId = FONT_SMALL_NARROW;
subStruct->hasFontIdBeenSet = TRUE;
}
return RenderText(textPrinter);
}
void TextPrinterInitDownArrowCounters(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
if (gTextFlags.autoScroll == 1)
{
subStruct->autoScrollDelay = 0;
}
else
{
subStruct->downArrowYPosIdx = 0;
subStruct->downArrowDelay = 0;
}
}
void TextPrinterDrawDownArrow(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
const u8 *arrowTiles;
if (gTextFlags.autoScroll == 0)
{
if (subStruct->downArrowDelay != 0)
{
subStruct->downArrowDelay--;
}
else
{
FillWindowPixelRect(
textPrinter->printerTemplate.windowId,
textPrinter->printerTemplate.bgColor << 4 | textPrinter->printerTemplate.bgColor,
textPrinter->printerTemplate.currentX,
textPrinter->printerTemplate.currentY,
8,
16);
switch (gTextFlags.useAlternateDownArrow)
{
case FALSE:
default:
arrowTiles = sDownArrowTiles;
break;
case TRUE:
arrowTiles = sDarkDownArrowTiles;
break;
}
BlitBitmapRectToWindow(
textPrinter->printerTemplate.windowId,
arrowTiles,
0,
sDownArrowYCoords[subStruct->downArrowYPosIdx],
8,
16,
textPrinter->printerTemplate.currentX,
textPrinter->printerTemplate.currentY,
8,
16);
CopyWindowToVram(textPrinter->printerTemplate.windowId, COPYWIN_GFX);
subStruct->downArrowDelay = 8;
subStruct->downArrowYPosIdx++;
}
}
}
void TextPrinterClearDownArrow(struct TextPrinter *textPrinter)
{
FillWindowPixelRect(
textPrinter->printerTemplate.windowId,
textPrinter->printerTemplate.bgColor << 4 | textPrinter->printerTemplate.bgColor,
textPrinter->printerTemplate.currentX,
textPrinter->printerTemplate.currentY,
8,
16);
CopyWindowToVram(textPrinter->printerTemplate.windowId, COPYWIN_GFX);
}
bool8 TextPrinterWaitAutoMode(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
if (subStruct->autoScrollDelay == 49)
{
return TRUE;
}
else
{
subStruct->autoScrollDelay++;
return FALSE;
}
}
bool16 TextPrinterWaitWithDownArrow(struct TextPrinter *textPrinter)
{
bool8 result = FALSE;
if (gTextFlags.autoScroll != 0)
{
result = TextPrinterWaitAutoMode(textPrinter);
}
else
{
TextPrinterDrawDownArrow(textPrinter);
if (JOY_NEW(A_BUTTON | B_BUTTON))
{
result = TRUE;
PlaySE(SE_SELECT);
}
}
return result;
}
bool16 TextPrinterWait(struct TextPrinter *textPrinter)
{
bool16 result = FALSE;
if (gTextFlags.autoScroll != 0)
{
result = TextPrinterWaitAutoMode(textPrinter);
}
else
{
if (JOY_NEW(A_BUTTON | B_BUTTON))
{
result = TRUE;
PlaySE(SE_SELECT);
}
}
return result;
}
void DrawDownArrow(u8 windowId, u16 x, u16 y, u8 bgColor, bool8 drawArrow, u8 *counter, u8 *yCoordIndex)
{
const u8 *arrowTiles;
if (*counter != 0)
{
--*counter;
}
else
{
FillWindowPixelRect(windowId, (bgColor << 4) | bgColor, x, y, 0x8, 0x10);
if (drawArrow == 0)
{
switch (gTextFlags.useAlternateDownArrow)
{
case FALSE:
default:
arrowTiles = sDownArrowTiles;
break;
case TRUE:
arrowTiles = sDarkDownArrowTiles;
break;
}
BlitBitmapRectToWindow(windowId, arrowTiles, 0, sDownArrowYCoords[*yCoordIndex & 3], 8, 16, x, y - 2, 8, 16);
CopyWindowToVram(windowId, COPYWIN_GFX);
*counter = 8;
++*yCoordIndex;
}
}
}
static u16 RenderText(struct TextPrinter *textPrinter)
{
struct TextPrinterSubStruct *subStruct = (struct TextPrinterSubStruct *)(&textPrinter->subStructFields);
u16 currChar;
s32 width;
s32 widthHelper;
switch (textPrinter->state)
{
case RENDER_STATE_HANDLE_CHAR:
if (JOY_HELD(A_BUTTON | B_BUTTON) && subStruct->hasPrintBeenSpedUp)
textPrinter->delayCounter = 0;
if (textPrinter->delayCounter && textPrinter->textSpeed)
{
textPrinter->delayCounter--;
if (gTextFlags.canABSpeedUpPrint && (JOY_NEW(A_BUTTON | B_BUTTON)))
{
subStruct->hasPrintBeenSpedUp = TRUE;
textPrinter->delayCounter = 0;
}
return RENDER_UPDATE;
}
if (!(gBattleTypeFlags & BATTLE_TYPE_RECORDED) && gTextFlags.autoScroll)
textPrinter->delayCounter = 3;
else
textPrinter->delayCounter = textPrinter->textSpeed;
currChar = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
switch (currChar)
{
case CHAR_NEWLINE:
textPrinter->printerTemplate.currentX = textPrinter->printerTemplate.x;
textPrinter->printerTemplate.currentY += (gFonts[textPrinter->printerTemplate.fontId].maxLetterHeight + textPrinter->printerTemplate.lineSpacing);
return RENDER_REPEAT;
case PLACEHOLDER_BEGIN:
textPrinter->printerTemplate.currentChar++;
return RENDER_REPEAT;
case EXT_CTRL_CODE_BEGIN:
currChar = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
switch (currChar)
{
case EXT_CTRL_CODE_COLOR:
textPrinter->printerTemplate.fgColor = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
GenerateFontHalfRowLookupTable(textPrinter->printerTemplate.fgColor, textPrinter->printerTemplate.bgColor, textPrinter->printerTemplate.shadowColor);
return RENDER_REPEAT;
case EXT_CTRL_CODE_HIGHLIGHT:
textPrinter->printerTemplate.bgColor = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
GenerateFontHalfRowLookupTable(textPrinter->printerTemplate.fgColor, textPrinter->printerTemplate.bgColor, textPrinter->printerTemplate.shadowColor);
return RENDER_REPEAT;
case EXT_CTRL_CODE_SHADOW:
textPrinter->printerTemplate.shadowColor = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
GenerateFontHalfRowLookupTable(textPrinter->printerTemplate.fgColor, textPrinter->printerTemplate.bgColor, textPrinter->printerTemplate.shadowColor);
return RENDER_REPEAT;
case EXT_CTRL_CODE_COLOR_HIGHLIGHT_SHADOW:
textPrinter->printerTemplate.fgColor = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
textPrinter->printerTemplate.bgColor = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
textPrinter->printerTemplate.shadowColor = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
GenerateFontHalfRowLookupTable(textPrinter->printerTemplate.fgColor, textPrinter->printerTemplate.bgColor, textPrinter->printerTemplate.shadowColor);
return RENDER_REPEAT;
case EXT_CTRL_CODE_PALETTE:
textPrinter->printerTemplate.currentChar++;
return RENDER_REPEAT;
case EXT_CTRL_CODE_FONT:
subStruct->fontId = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
return RENDER_REPEAT;
case EXT_CTRL_CODE_RESET_SIZE:
return RENDER_REPEAT;
case EXT_CTRL_CODE_PAUSE:
textPrinter->delayCounter = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
textPrinter->state = RENDER_STATE_PAUSE;
return RENDER_REPEAT;
case EXT_CTRL_CODE_PAUSE_UNTIL_PRESS:
textPrinter->state = RENDER_STATE_WAIT;
if (gTextFlags.autoScroll)
subStruct->autoScrollDelay = 0;
return RENDER_UPDATE;
case EXT_CTRL_CODE_WAIT_SE:
textPrinter->state = RENDER_STATE_WAIT_SE;
return RENDER_UPDATE;
case EXT_CTRL_CODE_PLAY_BGM:
currChar = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
currChar |= *textPrinter->printerTemplate.currentChar << 8;
textPrinter->printerTemplate.currentChar++;
PlayBGM(currChar);
return RENDER_REPEAT;
case EXT_CTRL_CODE_ESCAPE:
currChar = *textPrinter->printerTemplate.currentChar | 0x100;
textPrinter->printerTemplate.currentChar++;
break;
case EXT_CTRL_CODE_PLAY_SE:
currChar = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
currChar |= (*textPrinter->printerTemplate.currentChar << 8);
textPrinter->printerTemplate.currentChar++;
PlaySE(currChar);
return RENDER_REPEAT;
case EXT_CTRL_CODE_SHIFT_TEXT:
textPrinter->printerTemplate.currentX = textPrinter->printerTemplate.x + *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
return RENDER_REPEAT;
case EXT_CTRL_CODE_SHIFT_DOWN:
textPrinter->printerTemplate.currentY = textPrinter->printerTemplate.y + *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
return RENDER_REPEAT;
case EXT_CTRL_CODE_FILL_WINDOW:
FillWindowPixelBuffer(textPrinter->printerTemplate.windowId, PIXEL_FILL(textPrinter->printerTemplate.bgColor));
textPrinter->printerTemplate.currentX = textPrinter->printerTemplate.x;
textPrinter->printerTemplate.currentY = textPrinter->printerTemplate.y;
return RENDER_REPEAT;
case EXT_CTRL_CODE_PAUSE_MUSIC:
m4aMPlayStop(&gMPlayInfo_BGM);
return RENDER_REPEAT;
case EXT_CTRL_CODE_RESUME_MUSIC:
m4aMPlayContinue(&gMPlayInfo_BGM);
return RENDER_REPEAT;
case EXT_CTRL_CODE_CLEAR:
width = *textPrinter->printerTemplate.currentChar;
textPrinter->printerTemplate.currentChar++;
if (width > 0)
{
ClearTextSpan(textPrinter, width);
textPrinter->printerTemplate.currentX += width;
return RENDER_PRINT;
}
return RENDER_REPEAT;
case EXT_CTRL_CODE_SKIP:
textPrinter->printerTemplate.currentX = *textPrinter->printerTemplate.currentChar + textPrinter->printerTemplate.x;
textPrinter->printerTemplate.currentChar++;
return RENDER_REPEAT;
case EXT_CTRL_CODE_CLEAR_TO:
{
widthHelper = *textPrinter->printerTemplate.currentChar;
widthHelper += textPrinter->printerTemplate.x;
textPrinter->printerTemplate.currentChar++;
width = widthHelper - textPrinter->printerTemplate.currentX;
if (width > 0)
{
ClearTextSpan(textPrinter, width);
textPrinter->printerTemplate.currentX += width;
return RENDER_PRINT;
}
}
return RENDER_REPEAT;
case EXT_CTRL_CODE_MIN_LETTER_SPACING:
textPrinter->minLetterSpacing = *textPrinter->printerTemplate.currentChar++;
return RENDER_REPEAT;
case EXT_CTRL_CODE_JPN:
textPrinter->japanese = TRUE;
return RENDER_REPEAT;
case EXT_CTRL_CODE_ENG:
textPrinter->japanese = FALSE;
return RENDER_REPEAT;
}
break;
case CHAR_PROMPT_CLEAR:
textPrinter->state = RENDER_STATE_CLEAR;
TextPrinterInitDownArrowCounters(textPrinter);
return RENDER_UPDATE;
case CHAR_PROMPT_SCROLL:
textPrinter->state = RENDER_STATE_SCROLL_START;
TextPrinterInitDownArrowCounters(textPrinter);
return RENDER_UPDATE;
case CHAR_EXTRA_SYMBOL:
currChar = *textPrinter->printerTemplate.currentChar | 0x100;
textPrinter->printerTemplate.currentChar++;
break;
case CHAR_KEYPAD_ICON:
currChar = *textPrinter->printerTemplate.currentChar++;
gCurGlyph.width = DrawKeypadIcon(textPrinter->printerTemplate.windowId, currChar, textPrinter->printerTemplate.currentX, textPrinter->printerTemplate.currentY);
textPrinter->printerTemplate.currentX += gCurGlyph.width + textPrinter->printerTemplate.letterSpacing;
return RENDER_PRINT;
case EOS:
return RENDER_FINISH;
}
switch (subStruct->fontId)
{
case FONT_SMALL:
DecompressGlyph_Small(currChar, textPrinter->japanese);
break;
case FONT_NORMAL:
DecompressGlyph_Normal(currChar, textPrinter->japanese);
break;
case FONT_SHORT:
case FONT_SHORT_COPY_1:
case FONT_SHORT_COPY_2:
case FONT_SHORT_COPY_3:
DecompressGlyph_Short(currChar, textPrinter->japanese);
break;
case FONT_NARROW:
DecompressGlyph_Narrow(currChar, textPrinter->japanese);
break;
case FONT_SMALL_NARROW:
DecompressGlyph_SmallNarrow(currChar, textPrinter->japanese);
break;
case FONT_BRAILLE:
break;
}
CopyGlyphToWindow(textPrinter);
if (textPrinter->minLetterSpacing)
{
textPrinter->printerTemplate.currentX += gCurGlyph.width;
width = textPrinter->minLetterSpacing - gCurGlyph.width;
if (width > 0)
{
ClearTextSpan(textPrinter, width);
textPrinter->printerTemplate.currentX += width;
}
}
else
{
if (textPrinter->japanese)
textPrinter->printerTemplate.currentX += (gCurGlyph.width + textPrinter->printerTemplate.letterSpacing);
else
textPrinter->printerTemplate.currentX += gCurGlyph.width;
}
return RENDER_PRINT;
case RENDER_STATE_WAIT:
if (TextPrinterWait(textPrinter))
textPrinter->state = RENDER_STATE_HANDLE_CHAR;
return RENDER_UPDATE;
case RENDER_STATE_CLEAR:
if (TextPrinterWaitWithDownArrow(textPrinter))
{
FillWindowPixelBuffer(textPrinter->printerTemplate.windowId, PIXEL_FILL(textPrinter->printerTemplate.bgColor));
textPrinter->printerTemplate.currentX = textPrinter->printerTemplate.x;
textPrinter->printerTemplate.currentY = textPrinter->printerTemplate.y;
textPrinter->state = RENDER_STATE_HANDLE_CHAR;
}
return RENDER_UPDATE;
case RENDER_STATE_SCROLL_START:
if (TextPrinterWaitWithDownArrow(textPrinter))
{
TextPrinterClearDownArrow(textPrinter);
textPrinter->scrollDistance = gFonts[textPrinter->printerTemplate.fontId].maxLetterHeight + textPrinter->printerTemplate.lineSpacing;
textPrinter->printerTemplate.currentX = textPrinter->printerTemplate.x;
textPrinter->state = RENDER_STATE_SCROLL;
}
return RENDER_UPDATE;
case RENDER_STATE_SCROLL:
if (textPrinter->scrollDistance)
{
int scrollSpeed = GetPlayerTextSpeed();
int speed = sWindowVerticalScrollSpeeds[scrollSpeed];
if (textPrinter->scrollDistance < speed)
{
ScrollWindow(textPrinter->printerTemplate.windowId, 0, textPrinter->scrollDistance, PIXEL_FILL(textPrinter->printerTemplate.bgColor));
textPrinter->scrollDistance = 0;
}
else
{
ScrollWindow(textPrinter->printerTemplate.windowId, 0, speed, PIXEL_FILL(textPrinter->printerTemplate.bgColor));
textPrinter->scrollDistance -= speed;
}
CopyWindowToVram(textPrinter->printerTemplate.windowId, COPYWIN_GFX);
}
else
{
textPrinter->state = RENDER_STATE_HANDLE_CHAR;
}
return RENDER_UPDATE;
case RENDER_STATE_WAIT_SE:
if (!IsSEPlaying())
textPrinter->state = RENDER_STATE_HANDLE_CHAR;
return RENDER_UPDATE;
case RENDER_STATE_PAUSE:
if (textPrinter->delayCounter != 0)
textPrinter->delayCounter--;
else
textPrinter->state = RENDER_STATE_HANDLE_CHAR;
return RENDER_UPDATE;
}
return RENDER_FINISH;
}
// Unused
static u32 GetStringWidthFixedWidthFont(const u8 *str, u8 fontId, u8 letterSpacing)
{
int i;
u8 width;
int temp;
int temp2;
u8 line;
int strPos;
u8 lineWidths[8];
const u8 *strLocal;
for (i = 0; i < (int)ARRAY_COUNT(lineWidths); i++)
lineWidths[i] = 0;
width = 0;
line = 0;
strLocal = str;
strPos = 0;
do
{
temp = strLocal[strPos++];
switch (temp)
{
case CHAR_NEWLINE:
case EOS:
lineWidths[line] = width;
width = 0;
line++;
break;
case EXT_CTRL_CODE_BEGIN:
temp2 = strLocal[strPos++];
switch (temp2)
{
case EXT_CTRL_CODE_COLOR_HIGHLIGHT_SHADOW:
++strPos;
case EXT_CTRL_CODE_PLAY_BGM:
case EXT_CTRL_CODE_PLAY_SE:
++strPos;
case EXT_CTRL_CODE_COLOR:
case EXT_CTRL_CODE_HIGHLIGHT:
case EXT_CTRL_CODE_SHADOW:
case EXT_CTRL_CODE_PALETTE:
case EXT_CTRL_CODE_FONT:
case EXT_CTRL_CODE_PAUSE:
case EXT_CTRL_CODE_ESCAPE:
case EXT_CTRL_CODE_SHIFT_TEXT:
case EXT_CTRL_CODE_SHIFT_DOWN:
case EXT_CTRL_CODE_CLEAR:
case EXT_CTRL_CODE_SKIP:
case EXT_CTRL_CODE_CLEAR_TO:
case EXT_CTRL_CODE_MIN_LETTER_SPACING:
++strPos;
break;
case EXT_CTRL_CODE_RESET_SIZE:
case EXT_CTRL_CODE_PAUSE_UNTIL_PRESS:
case EXT_CTRL_CODE_WAIT_SE:
case EXT_CTRL_CODE_FILL_WINDOW:
case EXT_CTRL_CODE_JPN:
case EXT_CTRL_CODE_ENG:
default:
break;
}
break;
case CHAR_DYNAMIC:
case PLACEHOLDER_BEGIN:
++strPos;
break;
case CHAR_PROMPT_SCROLL:
case CHAR_PROMPT_CLEAR:
break;
case CHAR_KEYPAD_ICON:
case CHAR_EXTRA_SYMBOL:
++strPos;
default:
++width;
break;
}
} while (temp != EOS);
for (width = 0, strPos = 0; strPos < 8; ++strPos)
{
if (width < lineWidths[strPos])
width = lineWidths[strPos];
}
return (u8)(GetFontAttribute(fontId, FONTATTR_MAX_LETTER_WIDTH) + letterSpacing) * width;
}
static u32 (*GetFontWidthFunc(u8 fontId))(u16, bool32)
{
u32 i;
for (i = 0; i < ARRAY_COUNT(sGlyphWidthFuncs); ++i)
{
if (fontId == sGlyphWidthFuncs[i].fontId)
return sGlyphWidthFuncs[i].func;
}
return NULL;
}
s32 GetStringWidth(u8 fontId, const u8 *str, s16 letterSpacing)
{
bool8 isJapanese;
int minGlyphWidth;
u32 (*func)(u16 fontId, bool32 isJapanese);
int localLetterSpacing;
u32 lineWidth;
const u8 *bufferPointer;
int glyphWidth;
s32 width;
isJapanese = 0;
minGlyphWidth = 0;
func = GetFontWidthFunc(fontId);
if (func == NULL)
return 0;
if (letterSpacing == -1)
localLetterSpacing = GetFontAttribute(fontId, FONTATTR_LETTER_SPACING);
else
localLetterSpacing = letterSpacing;
width = 0;
lineWidth = 0;
bufferPointer = 0;
while (*str != EOS)
{
switch (*str)
{
case CHAR_NEWLINE:
if (lineWidth > width)
width = lineWidth;
lineWidth = 0;
break;
case PLACEHOLDER_BEGIN:
switch (*++str)
{
case PLACEHOLDER_ID_STRING_VAR_1:
bufferPointer = gStringVar1;
break;
case PLACEHOLDER_ID_STRING_VAR_2:
bufferPointer = gStringVar2;
break;
case PLACEHOLDER_ID_STRING_VAR_3:
bufferPointer = gStringVar3;
break;
default:
return 0;
}
case CHAR_DYNAMIC:
if (bufferPointer == NULL)
bufferPointer = DynamicPlaceholderTextUtil_GetPlaceholderPtr(*++str);
while (*bufferPointer != EOS)
{
glyphWidth = func(*bufferPointer++, isJapanese);
if (minGlyphWidth > 0)
{
if (glyphWidth < minGlyphWidth)
glyphWidth = minGlyphWidth;
lineWidth += glyphWidth;
}
else
{
lineWidth += glyphWidth;
if (isJapanese && str[1] != EOS)
lineWidth += localLetterSpacing;
}
}
bufferPointer = 0;
break;
case EXT_CTRL_CODE_BEGIN:
switch (*++str)
{
case EXT_CTRL_CODE_COLOR_HIGHLIGHT_SHADOW:
++str;
case EXT_CTRL_CODE_PLAY_BGM:
case EXT_CTRL_CODE_PLAY_SE:
++str;
case EXT_CTRL_CODE_COLOR:
case EXT_CTRL_CODE_HIGHLIGHT:
case EXT_CTRL_CODE_SHADOW:
case EXT_CTRL_CODE_PALETTE:
case EXT_CTRL_CODE_PAUSE:
case EXT_CTRL_CODE_ESCAPE:
case EXT_CTRL_CODE_SHIFT_TEXT:
case EXT_CTRL_CODE_SHIFT_DOWN:
++str;
break;
case EXT_CTRL_CODE_FONT:
func = GetFontWidthFunc(*++str);
if (func == NULL)
return 0;
if (letterSpacing == -1)
localLetterSpacing = GetFontAttribute(*str, FONTATTR_LETTER_SPACING);
break;
case EXT_CTRL_CODE_CLEAR:
glyphWidth = *++str;
lineWidth += glyphWidth;
break;
case EXT_CTRL_CODE_SKIP:
lineWidth = *++str;
break;
case EXT_CTRL_CODE_CLEAR_TO:
if (*++str > lineWidth)
lineWidth = *str;
break;
case EXT_CTRL_CODE_MIN_LETTER_SPACING:
minGlyphWidth = *++str;
break;
case EXT_CTRL_CODE_JPN:
isJapanese = 1;
break;
case EXT_CTRL_CODE_ENG:
isJapanese = 0;
break;
case EXT_CTRL_CODE_RESET_SIZE:
case EXT_CTRL_CODE_PAUSE_UNTIL_PRESS:
case EXT_CTRL_CODE_WAIT_SE:
case EXT_CTRL_CODE_FILL_WINDOW:
default:
break;
}
break;
case CHAR_KEYPAD_ICON:
case CHAR_EXTRA_SYMBOL:
if (*str == CHAR_EXTRA_SYMBOL)
glyphWidth = func(*++str | 0x100, isJapanese);
else
glyphWidth = GetKeypadIconWidth(*++str);
if (minGlyphWidth > 0)
{
if (glyphWidth < minGlyphWidth)
glyphWidth = minGlyphWidth;
lineWidth += glyphWidth;
}
else
{
lineWidth += glyphWidth;
if (isJapanese && str[1] != EOS)
lineWidth += localLetterSpacing;
}
break;
case CHAR_PROMPT_SCROLL:
case CHAR_PROMPT_CLEAR:
break;
default:
glyphWidth = func(*str, isJapanese);
if (minGlyphWidth > 0)
{
if (glyphWidth < minGlyphWidth)
glyphWidth = minGlyphWidth;
lineWidth += glyphWidth;
}
else
{
lineWidth += glyphWidth;
if (isJapanese && str[1] != EOS)
lineWidth += localLetterSpacing;
}
break;
}
++str;
}
if (lineWidth > width)
return lineWidth;
return width;
}
u8 RenderTextHandleBold(u8 *pixels, u8 fontId, u8 *str)
{
u8 shadowColor;
u8 *strLocal;
int strPos;
int temp;
int temp2;
u8 colorBackup[3];
u8 fgColor;
u8 bgColor;
SaveTextColors(&colorBackup[0], &colorBackup[1], &colorBackup[2]);
fgColor = TEXT_COLOR_WHITE;
bgColor = TEXT_COLOR_TRANSPARENT;
shadowColor = TEXT_COLOR_LIGHT_GRAY;
GenerateFontHalfRowLookupTable(TEXT_COLOR_WHITE, TEXT_COLOR_TRANSPARENT, TEXT_COLOR_LIGHT_GRAY);
strLocal = str;
strPos = 0;
do
{
temp = strLocal[strPos++];
switch (temp)
{
case EXT_CTRL_CODE_BEGIN:
temp2 = strLocal[strPos++];
switch (temp2)
{
case EXT_CTRL_CODE_COLOR_HIGHLIGHT_SHADOW:
fgColor = strLocal[strPos++];
bgColor = strLocal[strPos++];
shadowColor = strLocal[strPos++];
GenerateFontHalfRowLookupTable(fgColor, bgColor, shadowColor);
continue;
case EXT_CTRL_CODE_COLOR:
fgColor = strLocal[strPos++];
GenerateFontHalfRowLookupTable(fgColor, bgColor, shadowColor);
continue;
case EXT_CTRL_CODE_HIGHLIGHT:
bgColor = strLocal[strPos++];
GenerateFontHalfRowLookupTable(fgColor, bgColor, shadowColor);
continue;
case EXT_CTRL_CODE_SHADOW:
shadowColor = strLocal[strPos++];
GenerateFontHalfRowLookupTable(fgColor, bgColor, shadowColor);
continue;
case EXT_CTRL_CODE_FONT:
fontId = strLocal[strPos++];
break;
case EXT_CTRL_CODE_PLAY_BGM:
case EXT_CTRL_CODE_PLAY_SE:
++strPos;
case EXT_CTRL_CODE_PALETTE:
case EXT_CTRL_CODE_PAUSE:
case EXT_CTRL_CODE_ESCAPE:
case EXT_CTRL_CODE_SHIFT_TEXT:
case EXT_CTRL_CODE_SHIFT_DOWN:
case EXT_CTRL_CODE_CLEAR:
case EXT_CTRL_CODE_SKIP:
case EXT_CTRL_CODE_CLEAR_TO:
case EXT_CTRL_CODE_MIN_LETTER_SPACING:
++strPos;
break;
case EXT_CTRL_CODE_RESET_SIZE:
case EXT_CTRL_CODE_PAUSE_UNTIL_PRESS:
case EXT_CTRL_CODE_WAIT_SE:
case EXT_CTRL_CODE_FILL_WINDOW:
case EXT_CTRL_CODE_JPN:
case EXT_CTRL_CODE_ENG:
default:
continue;
}
break;
case CHAR_DYNAMIC:
case CHAR_KEYPAD_ICON:
case CHAR_EXTRA_SYMBOL:
case PLACEHOLDER_BEGIN:
++strPos;
break;
case CHAR_PROMPT_SCROLL:
case CHAR_PROMPT_CLEAR:
case CHAR_NEWLINE:
case EOS:
break;
default:
switch (fontId)
{
case FONT_BOLD:
DecompressGlyph_Bold(temp);
break;
case FONT_NORMAL:
default:
DecompressGlyph_Normal(temp, TRUE);
break;
}
CpuCopy32(gCurGlyph.gfxBufferTop, pixels, 0x20);
CpuCopy32(gCurGlyph.gfxBufferBottom, pixels + 0x20, 0x20);
pixels += 0x40;
break;
}
}
while (temp != EOS);
RestoreTextColors(&colorBackup[0], &colorBackup[1], &colorBackup[2]);
return 1;
}
u8 DrawKeypadIcon(u8 windowId, u8 keypadIconId, u16 x, u16 y)
{
BlitBitmapRectToWindow(
windowId,
sKeypadIconTiles + (sKeypadIcons[keypadIconId].tileOffset * 0x20),
0,
0,
0x80,
0x80,
x,
y,
sKeypadIcons[keypadIconId].width,
sKeypadIcons[keypadIconId].height);
return sKeypadIcons[keypadIconId].width;
}
u8 GetKeypadIconTileOffset(u8 keypadIconId)
{
return sKeypadIcons[keypadIconId].tileOffset;
}
u8 GetKeypadIconWidth(u8 keypadIconId)
{
return sKeypadIcons[keypadIconId].width;
}
u8 GetKeypadIconHeight(u8 keypadIconId)
{
return sKeypadIcons[keypadIconId].height;
}
void SetDefaultFontsPointer(void)
{
SetFontsPointer(sFontInfos);
}
u8 GetFontAttribute(u8 fontId, u8 attributeId)
{
int result = 0;
switch (attributeId)
{
case FONTATTR_MAX_LETTER_WIDTH:
result = sFontInfos[fontId].maxLetterWidth;
break;
case FONTATTR_MAX_LETTER_HEIGHT:
result = sFontInfos[fontId].maxLetterHeight;
break;
case FONTATTR_LETTER_SPACING:
result = sFontInfos[fontId].letterSpacing;
break;
case FONTATTR_LINE_SPACING:
result = sFontInfos[fontId].lineSpacing;
break;
case FONTATTR_UNKNOWN:
result = sFontInfos[fontId].unk;
break;
case FONTATTR_COLOR_FOREGROUND:
result = sFontInfos[fontId].fgColor;
break;
case FONTATTR_COLOR_BACKGROUND:
result = sFontInfos[fontId].bgColor;
break;
case FONTATTR_COLOR_SHADOW:
result = sFontInfos[fontId].shadowColor;
break;
}
return result;
}
u8 GetMenuCursorDimensionByFont(u8 fontId, u8 whichDimension)
{
return sMenuCursorDimensions[fontId][whichDimension];
}
static void DecompressGlyph_Small(u16 glyphId, bool32 isJapanese)
{
const u16* glyphs;
if (isJapanese == 1)
{
glyphs = gFontSmallJapaneseGlyphs + (0x100 * (glyphId >> 0x4)) + (0x8 * (glyphId & 0xF));
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x80, gCurGlyph.gfxBufferBottom);
gCurGlyph.width = 8;
gCurGlyph.height = 12;
}
else
{
glyphs = gFontSmallLatinGlyphs + (0x20 * glyphId);
gCurGlyph.width = gFontSmallLatinGlyphWidths[glyphId];
if (gCurGlyph.width <= 8)
{
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x10, gCurGlyph.gfxBufferBottom);
}
else
{
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x8, gCurGlyph.gfxBufferTop + 8);
DecompressGlyphTile(glyphs + 0x10, gCurGlyph.gfxBufferBottom);
DecompressGlyphTile(glyphs + 0x18, gCurGlyph.gfxBufferBottom + 8);
}
gCurGlyph.height = 13;
}
}
static u32 GetGlyphWidth_Small(u16 glyphId, bool32 isJapanese)
{
if (isJapanese == TRUE)
return 8;
else
return gFontSmallLatinGlyphWidths[glyphId];
}
static void DecompressGlyph_Narrow(u16 glyphId, bool32 isJapanese)
{
const u16* glyphs;
if (isJapanese == TRUE)
{
glyphs = gFontNormalJapaneseGlyphs + (0x100 * (glyphId >> 0x4)) + (0x8 * (glyphId % 0x10));
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x80, gCurGlyph.gfxBufferBottom);
gCurGlyph.width = 8;
gCurGlyph.height = 15;
}
else
{
glyphs = gFontNarrowLatinGlyphs + (0x20 * glyphId);
gCurGlyph.width = gFontNarrowLatinGlyphWidths[glyphId];
if (gCurGlyph.width <= 8)
{
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x10, gCurGlyph.gfxBufferBottom);
}
else
{
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x8, gCurGlyph.gfxBufferTop + 8);
DecompressGlyphTile(glyphs + 0x10, gCurGlyph.gfxBufferBottom);
DecompressGlyphTile(glyphs + 0x18, gCurGlyph.gfxBufferBottom + 8);
}
gCurGlyph.height = 15;
}
}
static u32 GetGlyphWidth_Narrow(u16 glyphId, bool32 isJapanese)
{
if (isJapanese == TRUE)
return 8;
else
return gFontNarrowLatinGlyphWidths[glyphId];
}
static void DecompressGlyph_SmallNarrow(u16 glyphId, bool32 isJapanese)
{
const u16* glyphs;
if (isJapanese == TRUE)
{
glyphs = gFontSmallJapaneseGlyphs + (0x100 * (glyphId >> 0x4)) + (0x8 * (glyphId & 0xF));
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x80, gCurGlyph.gfxBufferBottom);
gCurGlyph.width = 8;
gCurGlyph.height = 12;
}
else
{
glyphs = gFontSmallNarrowLatinGlyphs + (0x20 * glyphId);
gCurGlyph.width = gFontSmallNarrowLatinGlyphWidths[glyphId];
if (gCurGlyph.width <= 8)
{
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x10, gCurGlyph.gfxBufferBottom);
}
else
{
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x8, gCurGlyph.gfxBufferTop + 8);
DecompressGlyphTile(glyphs + 0x10, gCurGlyph.gfxBufferBottom);
DecompressGlyphTile(glyphs + 0x18, gCurGlyph.gfxBufferBottom + 8);
}
gCurGlyph.height = 12;
}
}
static u32 GetGlyphWidth_SmallNarrow(u16 glyphId, bool32 isJapanese)
{
if (isJapanese == TRUE)
return 8;
else
return gFontSmallNarrowLatinGlyphWidths[glyphId];
}
static void DecompressGlyph_Short(u16 glyphId, bool32 isJapanese)
{
const u16* glyphs;
if (isJapanese == TRUE)
{
glyphs = gFontShortJapaneseGlyphs + (0x100 * (glyphId >> 0x3)) + (0x10 * (glyphId & 0x7));
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x8, gCurGlyph.gfxBufferTop + 8);
DecompressGlyphTile(glyphs + 0x80, gCurGlyph.gfxBufferBottom); // gCurGlyph + 0x20
DecompressGlyphTile(glyphs + 0x88, gCurGlyph.gfxBufferBottom + 8); // gCurGlyph + 0x60
gCurGlyph.width = gFontShortJapaneseGlyphWidths[glyphId];
gCurGlyph.height = 14;
}
else
{
glyphs = gFontShortLatinGlyphs + (0x20 * glyphId);
gCurGlyph.width = gFontShortLatinGlyphWidths[glyphId];
if (gCurGlyph.width <= 8)
{
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x10, gCurGlyph.gfxBufferBottom);
}
else
{
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x8, gCurGlyph.gfxBufferTop + 8);
DecompressGlyphTile(glyphs + 0x10, gCurGlyph.gfxBufferBottom);
DecompressGlyphTile(glyphs + 0x18, gCurGlyph.gfxBufferBottom + 8);
}
gCurGlyph.height = 14;
}
}
static u32 GetGlyphWidth_Short(u16 glyphId, bool32 isJapanese)
{
if (isJapanese == TRUE)
return gFontShortJapaneseGlyphWidths[glyphId];
else
return gFontShortLatinGlyphWidths[glyphId];
}
static void DecompressGlyph_Normal(u16 glyphId, bool32 isJapanese)
{
const u16* glyphs;
if (isJapanese == TRUE)
{
glyphs = gFontNormalJapaneseGlyphs + (0x100 * (glyphId >> 0x4)) + (0x8 * (glyphId % 0x10));
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x80, gCurGlyph.gfxBufferBottom);
gCurGlyph.width = 8;
gCurGlyph.height = 15;
}
else
{
glyphs = gFontNormalLatinGlyphs + (0x20 * glyphId);
gCurGlyph.width = gFontNormalLatinGlyphWidths[glyphId];
if (gCurGlyph.width <= 8)
{
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x10, gCurGlyph.gfxBufferBottom);
}
else
{
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x8, gCurGlyph.gfxBufferTop + 8);
DecompressGlyphTile(glyphs + 0x10, gCurGlyph.gfxBufferBottom);
DecompressGlyphTile(glyphs + 0x18, gCurGlyph.gfxBufferBottom + 8);
}
gCurGlyph.height = 15;
}
}
static u32 GetGlyphWidth_Normal(u16 glyphId, bool32 isJapanese)
{
if (isJapanese == TRUE)
return 8;
else
return gFontNormalLatinGlyphWidths[glyphId];
}
static void DecompressGlyph_Bold(u16 glyphId)
{
const u16* glyphs;
glyphs = sFontBoldJapaneseGlyphs + (0x100 * (glyphId >> 4)) + (0x8 * (glyphId & 0xF));
DecompressGlyphTile(glyphs, gCurGlyph.gfxBufferTop);
DecompressGlyphTile(glyphs + 0x80, gCurGlyph.gfxBufferBottom);
gCurGlyph.width = 8;
gCurGlyph.height = 12;
}

174
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#ifndef GUARD_TEXT_H
#define GUARD_TEXT_H
#include "characters.h"
#define NUM_TEXT_PRINTERS 32
// Given as a text speed when all the text should be
// loaded at once but not copied to vram yet.
#define TEXT_SKIP_DRAW 0xFF
enum {
FONT_SMALL,
FONT_NORMAL,
FONT_SHORT,
FONT_SHORT_COPY_1,
FONT_SHORT_COPY_2,
FONT_SHORT_COPY_3,
FONT_BRAILLE,
FONT_NARROW,
FONT_SMALL_NARROW, // Very similar to FONT_SMALL, some glyphs are narrower
FONT_BOLD, // JP glyph set only
};
// Return values for font functions
enum {
RENDER_PRINT,
RENDER_FINISH,
RENDER_REPEAT, // Run render function again, if e.g. a control code is encountered.
RENDER_UPDATE,
};
// Text printer states read by RenderText / FontFunc_Braille
enum {
RENDER_STATE_HANDLE_CHAR,
RENDER_STATE_WAIT,
RENDER_STATE_CLEAR,
RENDER_STATE_SCROLL_START,
RENDER_STATE_SCROLL,
RENDER_STATE_WAIT_SE,
RENDER_STATE_PAUSE,
};
enum {
FONTATTR_MAX_LETTER_WIDTH,
FONTATTR_MAX_LETTER_HEIGHT,
FONTATTR_LETTER_SPACING,
FONTATTR_LINE_SPACING,
FONTATTR_UNKNOWN, // dunno what this is yet
FONTATTR_COLOR_FOREGROUND,
FONTATTR_COLOR_BACKGROUND,
FONTATTR_COLOR_SHADOW
};
struct TextPrinterSubStruct
{
u8 fontId:4; // 0x14
bool8 hasPrintBeenSpedUp:1;
u8 unk:3;
u8 downArrowDelay:5;
u8 downArrowYPosIdx:2;
bool8 hasFontIdBeenSet:1;
u8 autoScrollDelay;
};
struct TextPrinterTemplate
{
const u8* currentChar;
u8 windowId;
u8 fontId;
u8 x;
u8 y;
u8 currentX; // 0x8
u8 currentY;
u8 letterSpacing;
u8 lineSpacing;
u8 unk:4; // 0xC
u8 fgColor:4;
u8 bgColor:4;
u8 shadowColor:4;
};
struct TextPrinter
{
struct TextPrinterTemplate printerTemplate;
void (*callback)(struct TextPrinterTemplate *, u16); // 0x10
u8 subStructFields[7]; // always cast to struct TextPrinterSubStruct... so why bother
u8 active;
u8 state; // 0x1C
u8 textSpeed;
u8 delayCounter;
u8 scrollDistance;
u8 minLetterSpacing; // 0x20
u8 japanese;
};
struct FontInfo
{
u16 (*fontFunction)(struct TextPrinter *x);
u8 maxLetterWidth;
u8 maxLetterHeight;
u8 letterSpacing;
u8 lineSpacing;
u8 unk:4;
u8 fgColor:4;
u8 bgColor:4;
u8 shadowColor:4;
};
extern const struct FontInfo *gFonts;
struct GlyphWidthFunc
{
u32 fontId;
u32 (*func)(u16 glyphId, bool32 isJapanese);
};
typedef struct {
bool8 canABSpeedUpPrint:1;
bool8 useAlternateDownArrow:1;
bool8 autoScroll:1;
bool8 forceMidTextSpeed:1;
} TextFlags;
struct TextGlyph
{
u32 gfxBufferTop[16];
u32 gfxBufferBottom[16];
u8 width;
u8 height;
};
extern TextFlags gTextFlags;
extern u8 gDisableTextPrinters;
extern struct TextGlyph gCurGlyph;
void DeactivateAllTextPrinters(void);
u16 AddTextPrinterParameterized(u8 windowId, u8 fontId, const u8 *str, u8 x, u8 y, u8 speed, void (*callback)(struct TextPrinterTemplate *, u16));
bool16 AddTextPrinter(struct TextPrinterTemplate *template, u8 speed, void (*callback)(struct TextPrinterTemplate *, u16));
void RunTextPrinters(void);
bool16 IsTextPrinterActive(u8 id);
void GenerateFontHalfRowLookupTable(u8 fgColor, u8 bgColor, u8 shadowColor);
void SaveTextColors(u8 *fgColor, u8 *bgColor, u8 *shadowColor);
void RestoreTextColors(u8 *fgColor, u8 *bgColor, u8 *shadowColor);
void DecompressGlyphTile(const void *src_, void *dest_);
void CopyGlyphToWindow(struct TextPrinter *x);
void ClearTextSpan(struct TextPrinter *textPrinter, u32 width);
u8 GetMenuCursorDimensionByFont(u8, u8);
void TextPrinterInitDownArrowCounters(struct TextPrinter *textPrinter);
void TextPrinterDrawDownArrow(struct TextPrinter *textPrinter);
void TextPrinterClearDownArrow(struct TextPrinter *textPrinter);
bool8 TextPrinterWaitAutoMode(struct TextPrinter *textPrinter);
bool16 TextPrinterWaitWithDownArrow(struct TextPrinter *textPrinter);
bool16 TextPrinterWait(struct TextPrinter *textPrinter);
void DrawDownArrow(u8 windowId, u16 x, u16 y, u8 bgColor, bool8 drawArrow, u8 *counter, u8 *yCoordIndex);
s32 GetStringWidth(u8 fontId, const u8 *str, s16 letterSpacing);
u8 RenderTextHandleBold(u8 *pixels, u8 fontId, u8 *str);
u8 DrawKeypadIcon(u8 windowId, u8 keypadIconId, u16 x, u16 y);
u8 GetKeypadIconTileOffset(u8 keypadIconId);
u8 GetKeypadIconWidth(u8 keypadIconId);
u8 GetKeypadIconHeight(u8 keypadIconId);
void SetDefaultFontsPointer(void);
u8 GetFontAttribute(u8 fontId, u8 attributeId);
u8 GetMenuCursorDimensionByFont(u8 fontId, u8 whichDimension);
// braille.c
u16 FontFunc_Braille(struct TextPrinter *textPrinter);
u32 GetGlyphWidth_Braille(u16 glyphId, bool32 isJapanese);
#endif // GUARD_TEXT_H

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#include "global.h"
#include "window.h"
#include "malloc.h"
#include "bg.h"
#include "blit.h"
u32 gUnusedWindowVar1;
u32 gUnusedWindowVar2;
// This global is set to 0 and never changed.
u8 gTransparentTileNumber;
u32 gUnusedWindowVar3;
void *gWindowBgTilemapBuffers[NUM_BACKGROUNDS];
extern u32 gWindowTileAutoAllocEnabled;
#define WINDOWS_MAX 32
EWRAM_DATA struct Window gWindows[WINDOWS_MAX] = {0};
EWRAM_DATA static struct Window* sWindowPtr = NULL;
EWRAM_DATA static u16 sWindowSize = 0;
static u8 GetNumActiveWindowsOnBg(u8 bgId);
static u8 GetNumActiveWindowsOnBg8Bit(u8 bgId);
static const struct WindowTemplate sDummyWindowTemplate = DUMMY_WIN_TEMPLATE;
static void DummyWindowBgTilemap(void)
{
}
bool16 InitWindows(const struct WindowTemplate *templates)
{
int i;
void *bgTilemapBuffer;
int j;
u8 bgLayer;
u16 attrib;
u8* allocatedTilemapBuffer;
int allocatedBaseBlock;
for (i = 0; i < NUM_BACKGROUNDS; ++i)
{
bgTilemapBuffer = GetBgTilemapBuffer(i);
if (bgTilemapBuffer != NULL)
gWindowBgTilemapBuffers[i] = DummyWindowBgTilemap;
else
gWindowBgTilemapBuffers[i] = bgTilemapBuffer;
}
for (i = 0; i < WINDOWS_MAX; ++i)
{
gWindows[i].window = sDummyWindowTemplate;
gWindows[i].tileData = NULL;
}
for (i = 0, allocatedBaseBlock = 0, bgLayer = templates[i].bg; bgLayer != 0xFF && i < WINDOWS_MAX; ++i, bgLayer = templates[i].bg)
{
if (gWindowTileAutoAllocEnabled == TRUE)
{
allocatedBaseBlock = BgTileAllocOp(bgLayer, 0, templates[i].width * templates[i].height, 0);
if (allocatedBaseBlock == -1)
return FALSE;
}
if (gWindowBgTilemapBuffers[bgLayer] == NULL)
{
attrib = GetBgAttribute(bgLayer, BG_ATTR_METRIC);
if (attrib != 0xFFFF)
{
allocatedTilemapBuffer = AllocZeroed(attrib);
if (allocatedTilemapBuffer == NULL)
{
FreeAllWindowBuffers();
return FALSE;
}
for (j = 0; j < attrib; ++j)
allocatedTilemapBuffer[j] = 0;
gWindowBgTilemapBuffers[bgLayer] = allocatedTilemapBuffer;
SetBgTilemapBuffer(bgLayer, allocatedTilemapBuffer);
}
}
allocatedTilemapBuffer = AllocZeroed((u16)(32 * (templates[i].width * templates[i].height)));
if (allocatedTilemapBuffer == NULL)
{
if ((GetNumActiveWindowsOnBg(bgLayer) == 0) && (gWindowBgTilemapBuffers[bgLayer] != DummyWindowBgTilemap))
{
Free(gWindowBgTilemapBuffers[bgLayer]);
gWindowBgTilemapBuffers[bgLayer] = allocatedTilemapBuffer;
}
return FALSE;
}
gWindows[i].tileData = allocatedTilemapBuffer;
gWindows[i].window = templates[i];
if (gWindowTileAutoAllocEnabled == TRUE)
{
gWindows[i].window.baseBlock = allocatedBaseBlock;
BgTileAllocOp(bgLayer, allocatedBaseBlock, templates[i].width * templates[i].height, 1);
}
}
gTransparentTileNumber = 0;
return TRUE;
}
u16 AddWindow(const struct WindowTemplate *template)
{
u16 win;
u8 bgLayer;
int allocatedBaseBlock;
u16 attrib;
u8 *allocatedTilemapBuffer;
int i;
for (win = 0; win < WINDOWS_MAX; ++win)
{
if ((bgLayer = gWindows[win].window.bg) == 0xFF)
break;
}
if (win == WINDOWS_MAX)
return WINDOW_NONE;
bgLayer = template->bg;
allocatedBaseBlock = 0;
if (gWindowTileAutoAllocEnabled == TRUE)
{
allocatedBaseBlock = BgTileAllocOp(bgLayer, 0, template->width * template->height, 0);
if (allocatedBaseBlock == -1)
return WINDOW_NONE;
}
if (gWindowBgTilemapBuffers[bgLayer] == NULL)
{
attrib = GetBgAttribute(bgLayer, BG_ATTR_METRIC);
if (attrib != 0xFFFF)
{
allocatedTilemapBuffer = AllocZeroed(attrib);
if (allocatedTilemapBuffer == NULL)
return WINDOW_NONE;
for (i = 0; i < attrib; ++i)
allocatedTilemapBuffer[i] = 0;
gWindowBgTilemapBuffers[bgLayer] = allocatedTilemapBuffer;
SetBgTilemapBuffer(bgLayer, allocatedTilemapBuffer);
}
}
allocatedTilemapBuffer = AllocZeroed((u16)(32 * (template->width * template->height)));
if (allocatedTilemapBuffer == NULL)
{
if ((GetNumActiveWindowsOnBg(bgLayer) == 0) && (gWindowBgTilemapBuffers[bgLayer] != DummyWindowBgTilemap))
{
Free(gWindowBgTilemapBuffers[bgLayer]);
gWindowBgTilemapBuffers[bgLayer] = allocatedTilemapBuffer;
}
return WINDOW_NONE;
}
gWindows[win].tileData = allocatedTilemapBuffer;
gWindows[win].window = *template;
if (gWindowTileAutoAllocEnabled == TRUE)
{
gWindows[win].window.baseBlock = allocatedBaseBlock;
BgTileAllocOp(bgLayer, allocatedBaseBlock, gWindows[win].window.width * gWindows[win].window.height, 1);
}
return win;
}
int AddWindowWithoutTileMap(const struct WindowTemplate *template)
{
u16 win;
u8 bgLayer;
int allocatedBaseBlock;
for (win = 0; win < WINDOWS_MAX; ++win)
{
if (gWindows[win].window.bg == 0xFF)
break;
}
if (win == WINDOWS_MAX)
return WINDOW_NONE;
bgLayer = template->bg;
allocatedBaseBlock = 0;
if (gWindowTileAutoAllocEnabled == TRUE)
{
allocatedBaseBlock = BgTileAllocOp(bgLayer, 0, template->width * template->height, 0);
if (allocatedBaseBlock == -1)
return WINDOW_NONE;
}
gWindows[win].window = *template;
if (gWindowTileAutoAllocEnabled == TRUE)
{
gWindows[win].window.baseBlock = allocatedBaseBlock;
BgTileAllocOp(bgLayer, allocatedBaseBlock, gWindows[win].window.width * gWindows[win].window.height, 1);
}
return win;
}
void RemoveWindow(u8 windowId)
{
u8 bgLayer = gWindows[windowId].window.bg;
if (gWindowTileAutoAllocEnabled == TRUE)
BgTileAllocOp(bgLayer, gWindows[windowId].window.baseBlock, gWindows[windowId].window.width * gWindows[windowId].window.height, 2);
gWindows[windowId].window = sDummyWindowTemplate;
if (GetNumActiveWindowsOnBg(bgLayer) == 0)
{
if (gWindowBgTilemapBuffers[bgLayer] != DummyWindowBgTilemap)
{
Free(gWindowBgTilemapBuffers[bgLayer]);
gWindowBgTilemapBuffers[bgLayer] = NULL;
}
}
if (gWindows[windowId].tileData != NULL)
{
Free(gWindows[windowId].tileData);
gWindows[windowId].tileData = NULL;
}
}
void FreeAllWindowBuffers(void)
{
int i;
for (i = 0; i < NUM_BACKGROUNDS; ++i)
{
if (gWindowBgTilemapBuffers[i] != NULL && gWindowBgTilemapBuffers[i] != DummyWindowBgTilemap)
{
Free(gWindowBgTilemapBuffers[i]);
gWindowBgTilemapBuffers[i] = NULL;
}
}
for (i = 0; i < WINDOWS_MAX; ++i)
{
if (gWindows[i].tileData != NULL)
{
Free(gWindows[i].tileData);
gWindows[i].tileData = NULL;
}
}
}
void CopyWindowToVram(u8 windowId, u8 mode)
{
struct Window windowLocal = gWindows[windowId];
u16 windowSize = 32 * (windowLocal.window.width * windowLocal.window.height);
switch (mode)
{
case COPYWIN_MAP:
CopyBgTilemapBufferToVram(windowLocal.window.bg);
break;
case COPYWIN_GFX:
LoadBgTiles(windowLocal.window.bg, windowLocal.tileData, windowSize, windowLocal.window.baseBlock);
break;
case COPYWIN_FULL:
LoadBgTiles(windowLocal.window.bg, windowLocal.tileData, windowSize, windowLocal.window.baseBlock);
CopyBgTilemapBufferToVram(windowLocal.window.bg);
break;
}
}
void CopyWindowRectToVram(u32 windowId, u32 mode, u32 x, u32 y, u32 w, u32 h)
{
struct Window windowLocal;
int rectSize;
int rectPos;
if (w != 0 && h != 0)
{
windowLocal = gWindows[windowId];
rectSize = ((h - 1) * windowLocal.window.width);
rectSize += (windowLocal.window.width - x);
rectSize -= (windowLocal.window.width - (x + w));
rectSize *= 32;
rectPos = (y * windowLocal.window.width) + x;
switch (mode)
{
case COPYWIN_MAP:
CopyBgTilemapBufferToVram(windowLocal.window.bg);
break;
case COPYWIN_GFX:
LoadBgTiles(windowLocal.window.bg, windowLocal.tileData + (rectPos * 32), rectSize, windowLocal.window.baseBlock + rectPos);
break;
case COPYWIN_FULL:
LoadBgTiles(windowLocal.window.bg, windowLocal.tileData + (rectPos * 32), rectSize, windowLocal.window.baseBlock + rectPos);
CopyBgTilemapBufferToVram(windowLocal.window.bg);
break;
}
}
}
void PutWindowTilemap(u8 windowId)
{
struct Window windowLocal = gWindows[windowId];
WriteSequenceToBgTilemapBuffer(
windowLocal.window.bg,
GetBgAttribute(windowLocal.window.bg, BG_ATTR_BASETILE) + windowLocal.window.baseBlock,
windowLocal.window.tilemapLeft,
windowLocal.window.tilemapTop,
windowLocal.window.width,
windowLocal.window.height,
windowLocal.window.paletteNum,
1);
}
void PutWindowRectTilemapOverridePalette(u8 windowId, u8 x, u8 y, u8 width, u8 height, u8 palette)
{
struct Window windowLocal = gWindows[windowId];
u16 currentRow = windowLocal.window.baseBlock + (y * windowLocal.window.width) + x + GetBgAttribute(windowLocal.window.bg, BG_ATTR_BASETILE);
int i;
for (i = 0; i < height; ++i)
{
WriteSequenceToBgTilemapBuffer(
windowLocal.window.bg,
currentRow,
windowLocal.window.tilemapLeft + x,
windowLocal.window.tilemapTop + y + i,
width,
1,
palette,
1);
currentRow += windowLocal.window.width;
}
}
// Fills a window with transparent tiles.
void ClearWindowTilemap(u8 windowId)
{
struct Window windowLocal = gWindows[windowId];
FillBgTilemapBufferRect(
windowLocal.window.bg,
gTransparentTileNumber,
windowLocal.window.tilemapLeft,
windowLocal.window.tilemapTop,
windowLocal.window.width,
windowLocal.window.height,
windowLocal.window.paletteNum);
}
void PutWindowRectTilemap(u8 windowId, u8 x, u8 y, u8 width, u8 height)
{
struct Window windowLocal = gWindows[windowId];
u16 currentRow = windowLocal.window.baseBlock + (y * windowLocal.window.width) + x + GetBgAttribute(windowLocal.window.bg, BG_ATTR_BASETILE);
int i;
for (i = 0; i < height; ++i)
{
WriteSequenceToBgTilemapBuffer(
windowLocal.window.bg,
currentRow,
windowLocal.window.tilemapLeft + x,
windowLocal.window.tilemapTop + y + i,
width,
1,
windowLocal.window.paletteNum,
1);
currentRow += windowLocal.window.width;
}
}
void BlitBitmapToWindow(u8 windowId, const u8 *pixels, u16 x, u16 y, u16 width, u16 height)
{
BlitBitmapRectToWindow(windowId, pixels, 0, 0, width, height, x, y, width, height);
}
void BlitBitmapRectToWindow(u8 windowId, const u8 *pixels, u16 srcX, u16 srcY, u16 srcWidth, int srcHeight, u16 destX, u16 destY, u16 rectWidth, u16 rectHeight)
{
struct Bitmap sourceRect;
struct Bitmap destRect;
sourceRect.pixels = (u8*)pixels;
sourceRect.width = srcWidth;
sourceRect.height = srcHeight;
destRect.pixels = gWindows[windowId].tileData;
destRect.width = 8 * gWindows[windowId].window.width;
destRect.height = 8 * gWindows[windowId].window.height;
BlitBitmapRect4Bit(&sourceRect, &destRect, srcX, srcY, destX, destY, rectWidth, rectHeight, 0);
}
static void BlitBitmapRectToWindowWithColorKey(u8 windowId, const u8 *pixels, u16 srcX, u16 srcY, u16 srcWidth, int srcHeight, u16 destX, u16 destY, u16 rectWidth, u16 rectHeight, u8 colorKey)
{
struct Bitmap sourceRect;
struct Bitmap destRect;
sourceRect.pixels = (u8*)pixels;
sourceRect.width = srcWidth;
sourceRect.height = srcHeight;
destRect.pixels = gWindows[windowId].tileData;
destRect.width = 8 * gWindows[windowId].window.width;
destRect.height = 8 * gWindows[windowId].window.height;
BlitBitmapRect4Bit(&sourceRect, &destRect, srcX, srcY, destX, destY, rectWidth, rectHeight, colorKey);
}
void FillWindowPixelRect(u8 windowId, u8 fillValue, u16 x, u16 y, u16 width, u16 height)
{
struct Bitmap pixelRect;
pixelRect.pixels = gWindows[windowId].tileData;
pixelRect.width = 8 * gWindows[windowId].window.width;
pixelRect.height = 8 * gWindows[windowId].window.height;
FillBitmapRect4Bit(&pixelRect, x, y, width, height, fillValue);
}
void CopyToWindowPixelBuffer(u8 windowId, const void *src, u16 size, u16 tileOffset)
{
if (size != 0)
CpuCopy16(src, gWindows[windowId].tileData + (32 * tileOffset), size);
else
LZ77UnCompWram(src, gWindows[windowId].tileData + (32 * tileOffset));
}
// Sets all pixels within the window to the fillValue color.
void FillWindowPixelBuffer(u8 windowId, u8 fillValue)
{
int fillSize = gWindows[windowId].window.width * gWindows[windowId].window.height;
CpuFastFill8(fillValue, gWindows[windowId].tileData, 32 * fillSize);
}
#define MOVE_TILES_DOWN(a) \
{ \
destOffset = i + (a); \
srcOffset = i + (((width * (distanceLoop & ~7)) | (distanceLoop & 7)) * 4); \
if (srcOffset < size) \
*(u32*)(tileData + destOffset) = *(u32*)(tileData + srcOffset); \
else \
*(u32*)(tileData + destOffset) = fillValue32; \
distanceLoop++; \
}
#define MOVE_TILES_UP(a) \
{ \
destOffset = i + (a); \
srcOffset = i + (((width * (distanceLoop & ~7)) | (distanceLoop & 7)) * 4); \
if (srcOffset < size) \
*(u32*)(tileData - destOffset) = *(u32*)(tileData - srcOffset); \
else \
*(u32*)(tileData - destOffset) = fillValue32; \
distanceLoop++; \
}
void ScrollWindow(u8 windowId, u8 direction, u8 distance, u8 fillValue)
{
struct WindowTemplate window = gWindows[windowId].window;
u8 *tileData = gWindows[windowId].tileData;
u32 fillValue32 = (fillValue << 24) | (fillValue << 16) | (fillValue << 8) | fillValue;
s32 size = window.height * window.width * 32;
u32 width = window.width;
s32 i;
s32 srcOffset, destOffset;
u32 distanceLoop;
switch (direction)
{
case 0:
for (i = 0; i < size; i += 32)
{
distanceLoop = distance;
MOVE_TILES_DOWN(0)
MOVE_TILES_DOWN(4)
MOVE_TILES_DOWN(8)
MOVE_TILES_DOWN(12)
MOVE_TILES_DOWN(16)
MOVE_TILES_DOWN(20)
MOVE_TILES_DOWN(24)
MOVE_TILES_DOWN(28)
}
break;
case 1:
tileData += size - 4;
for (i = 0; i < size; i += 32)
{
distanceLoop = distance;
MOVE_TILES_UP(0)
MOVE_TILES_UP(4)
MOVE_TILES_UP(8)
MOVE_TILES_UP(12)
MOVE_TILES_UP(16)
MOVE_TILES_UP(20)
MOVE_TILES_UP(24)
MOVE_TILES_UP(28)
}
break;
case 2:
break;
}
}
void CallWindowFunction(u8 windowId, void ( *func)(u8, u8, u8, u8, u8, u8))
{
struct WindowTemplate window = gWindows[windowId].window;
func(window.bg, window.tilemapLeft, window.tilemapTop, window.width, window.height, window.paletteNum);
}
bool8 SetWindowAttribute(u8 windowId, u8 attributeId, u32 value)
{
switch (attributeId)
{
case WINDOW_TILEMAP_LEFT:
gWindows[windowId].window.tilemapLeft = value;
return FALSE;
case WINDOW_TILEMAP_TOP:
gWindows[windowId].window.tilemapTop = value;
return FALSE;
case WINDOW_PALETTE_NUM:
gWindows[windowId].window.paletteNum = value;
return FALSE;
case WINDOW_BASE_BLOCK:
gWindows[windowId].window.baseBlock = value;
return FALSE;
case WINDOW_TILE_DATA:
gWindows[windowId].tileData = (u8*)(value);
return TRUE;
case WINDOW_BG:
case WINDOW_WIDTH:
case WINDOW_HEIGHT:
default:
return TRUE;
}
}
u32 GetWindowAttribute(u8 windowId, u8 attributeId)
{
switch (attributeId)
{
case WINDOW_BG:
return gWindows[windowId].window.bg;
case WINDOW_TILEMAP_LEFT:
return gWindows[windowId].window.tilemapLeft;
case WINDOW_TILEMAP_TOP:
return gWindows[windowId].window.tilemapTop;
case WINDOW_WIDTH:
return gWindows[windowId].window.width;
case WINDOW_HEIGHT:
return gWindows[windowId].window.height;
case WINDOW_PALETTE_NUM:
return gWindows[windowId].window.paletteNum;
case WINDOW_BASE_BLOCK:
return gWindows[windowId].window.baseBlock;
case WINDOW_TILE_DATA:
return (u32)(gWindows[windowId].tileData);
default:
return 0;
}
}
static u8 GetNumActiveWindowsOnBg(u8 bgId)
{
u8 windowsNum = 0;
s32 i;
for (i = 0; i < WINDOWS_MAX; i++)
{
if (gWindows[i].window.bg == bgId)
windowsNum++;
}
return windowsNum;
}
static void DummyWindowBgTilemap8Bit(void)
{
}
u16 AddWindow8Bit(const struct WindowTemplate *template)
{
u16 windowId;
u8* memAddress;
u8 bgLayer;
for (windowId = 0; windowId < WINDOWS_MAX; windowId++)
{
if (gWindows[windowId].window.bg == 0xFF)
break;
}
if (windowId == WINDOWS_MAX)
return WINDOW_NONE;
bgLayer = template->bg;
if (gWindowBgTilemapBuffers[bgLayer] == NULL)
{
u16 attribute = GetBgAttribute(bgLayer, BG_ATTR_METRIC);
if (attribute != 0xFFFF)
{
s32 i;
memAddress = Alloc(attribute);
if (memAddress == NULL)
return WINDOW_NONE;
for (i = 0; i < attribute; i++) // if we're going to zero out the memory anyway, why not call AllocZeroed?
memAddress[i] = 0;
gWindowBgTilemapBuffers[bgLayer] = memAddress;
SetBgTilemapBuffer(bgLayer, memAddress);
}
}
memAddress = Alloc((u16)(64 * (template->width * template->height)));
if (memAddress == NULL)
{
if (GetNumActiveWindowsOnBg8Bit(bgLayer) == 0 && gWindowBgTilemapBuffers[bgLayer] != DummyWindowBgTilemap8Bit)
{
Free(gWindowBgTilemapBuffers[bgLayer]);
gWindowBgTilemapBuffers[bgLayer] = NULL;
}
return WINDOW_NONE;
}
else
{
gWindows[windowId].tileData = memAddress;
gWindows[windowId].window = *template;
return windowId;
}
}
void FillWindowPixelBuffer8Bit(u8 windowId, u8 fillValue)
{
s32 i;
s32 size;
size = (u16)(64 * (gWindows[windowId].window.width * gWindows[windowId].window.height));
for (i = 0; i < size; i++)
gWindows[windowId].tileData[i] = fillValue;
}
void FillWindowPixelRect8Bit(u8 windowId, u8 fillValue, u16 x, u16 y, u16 width, u16 height)
{
struct Bitmap pixelRect;
pixelRect.pixels = gWindows[windowId].tileData;
pixelRect.width = 8 * gWindows[windowId].window.width;
pixelRect.height = 8 * gWindows[windowId].window.height;
FillBitmapRect8Bit(&pixelRect, x, y, width, height, fillValue);
}
void BlitBitmapRectToWindow4BitTo8Bit(u8 windowId, const u8 *pixels, u16 srcX, u16 srcY, u16 srcWidth, int srcHeight, u16 destX, u16 destY, u16 rectWidth, u16 rectHeight, u8 paletteNum)
{
struct Bitmap sourceRect;
struct Bitmap destRect;
sourceRect.pixels = (u8*) pixels;
sourceRect.width = srcWidth;
sourceRect.height = srcHeight;
destRect.pixels = gWindows[windowId].tileData;
destRect.width = 8 * gWindows[windowId].window.width;
destRect.height = 8 * gWindows[windowId].window.height;
BlitBitmapRect4BitTo8Bit(&sourceRect, &destRect, srcX, srcY, destX, destY, rectWidth, rectHeight, 0, paletteNum);
}
void CopyWindowToVram8Bit(u8 windowId, u8 mode)
{
sWindowPtr = &gWindows[windowId];
sWindowSize = 64 * (sWindowPtr->window.width * sWindowPtr->window.height);
switch (mode)
{
case COPYWIN_MAP:
CopyBgTilemapBufferToVram(sWindowPtr->window.bg);
break;
case COPYWIN_GFX:
LoadBgTiles(sWindowPtr->window.bg, sWindowPtr->tileData, sWindowSize, sWindowPtr->window.baseBlock);
break;
case COPYWIN_FULL:
LoadBgTiles(sWindowPtr->window.bg, sWindowPtr->tileData, sWindowSize, sWindowPtr->window.baseBlock);
CopyBgTilemapBufferToVram(sWindowPtr->window.bg);
break;
}
}
static u8 GetNumActiveWindowsOnBg8Bit(u8 bgId)
{
u8 windowsNum = 0;
s32 i;
for (i = 0; i < WINDOWS_MAX; i++)
{
if (gWindows[i].window.bg == bgId)
windowsNum++;
}
return windowsNum;
}

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#ifndef GUARD_WINDOW_H
#define GUARD_WINDOW_H
#define PIXEL_FILL(num) ((num) | ((num) << 4))
enum {
WINDOW_BG,
WINDOW_TILEMAP_LEFT,
WINDOW_TILEMAP_TOP,
WINDOW_WIDTH,
WINDOW_HEIGHT,
WINDOW_PALETTE_NUM,
WINDOW_BASE_BLOCK,
WINDOW_TILE_DATA
};
// Mode for CopyWindowToVram, CopyWindowRectToVram and CopyWindowToVram8Bit
enum {
COPYWIN_NONE,
COPYWIN_MAP,
COPYWIN_GFX,
COPYWIN_FULL,
};
struct WindowTemplate
{
u8 bg;
u8 tilemapLeft;
u8 tilemapTop;
u8 width;
u8 height;
u8 paletteNum;
u16 baseBlock;
};
#define DUMMY_WIN_TEMPLATE \
{ \
.bg = 0xFF, \
}
#define WINDOW_NONE 0xFF
struct Window
{
struct WindowTemplate window;
u8 *tileData;
};
bool16 InitWindows(const struct WindowTemplate *templates);
u16 AddWindow(const struct WindowTemplate *template);
int AddWindowWithoutTileMap(const struct WindowTemplate *template);
void RemoveWindow(u8 windowId);
void FreeAllWindowBuffers(void);
void CopyWindowToVram(u8 windowId, u8 mode);
void CopyWindowRectToVram(u32 windowId, u32 mode, u32 x, u32 y, u32 w, u32 h);
void PutWindowTilemap(u8 windowId);
void PutWindowRectTilemapOverridePalette(u8 windowId, u8 x, u8 y, u8 width, u8 height, u8 palette);
void ClearWindowTilemap(u8 windowId);
void PutWindowRectTilemap(u8 windowId, u8 x, u8 y, u8 width, u8 height);
void BlitBitmapToWindow(u8 windowId, const u8 *pixels, u16 x, u16 y, u16 width, u16 height);
void BlitBitmapRectToWindow(u8 windowId, const u8 *pixels, u16 srcX, u16 srcY, u16 srcWidth, int srcHeight, u16 destX, u16 destY, u16 rectWidth, u16 rectHeight);
void FillWindowPixelRect(u8 windowId, u8 fillValue, u16 x, u16 y, u16 width, u16 height);
void CopyToWindowPixelBuffer(u8 windowId, const void *src, u16 size, u16 tileOffset);
void FillWindowPixelBuffer(u8 windowId, u8 fillValue);
void ScrollWindow(u8 windowId, u8 direction, u8 distance, u8 fillValue);
void CallWindowFunction(u8 windowId, void ( *func)(u8, u8, u8, u8, u8, u8));
bool8 SetWindowAttribute(u8 windowId, u8 attributeId, u32 value);
u32 GetWindowAttribute(u8 windowId, u8 attributeId);
u16 AddWindow8Bit(const struct WindowTemplate *template);
void FillWindowPixelBuffer8Bit(u8 windowId, u8 fillValue);
void FillWindowPixelRect8Bit(u8 windowId, u8 fillValue, u16 x, u16 y, u16 width, u16 height);
void BlitBitmapRectToWindow4BitTo8Bit(u8 windowId, const u8 *pixels, u16 srcX, u16 srcY, u16 srcWidth, int srcHeight, u16 destX, u16 destY, u16 rectWidth, u16 rectHeight, u8 paletteNum);
void CopyWindowToVram8Bit(u8 windowId, u8 mode);
extern struct Window gWindows[];
extern void* gWindowBgTilemapBuffers[];
extern u32 gUnusedWindowVar1;
extern u32 gUnusedWindowVar2;
extern u32 gUnusedWindowVar3;
#endif // GUARD_WINDOW_H