diff options
Diffstat (limited to 'src/sprite.c')
| -rw-r--r-- | src/sprite.c | 1758 |
1 files changed, 0 insertions, 1758 deletions
diff --git a/src/sprite.c b/src/sprite.c deleted file mode 100644 index e25eac62e..000000000 --- a/src/sprite.c +++ /dev/null @@ -1,1758 +0,0 @@ -#include "global.h" -#include "sprite.h" -#include "main.h" -#include "palette.h" - -#define MAX_SPRITE_COPY_REQUESTS 64 - -#define OAM_MATRIX_COUNT 32 - -#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 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 obj_update_pos2(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 = 160, \ - .affineMode = 0, \ - .objMode = 0, \ - .mosaic = 0, \ - .bpp = 0, \ - .shape = SPRITE_SHAPE(8x8), \ - .x = 304, \ - .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, - .images = NULL, - .affineAnims = gDummySpriteAffineAnimTable, - .template = &gDummySpriteTemplate, - .subspriteTables = NULL, - .callback = SpriteCallbackDummy, - .pos1 = { 304, 160 }, - .pos2 = { 0, 0 }, - .centerToCornerVecX = 0, - .centerToCornerVecY = 0, - .animNum = 0, - .animCmdIndex = 0, - .animDelayCounter = 0, - .animPaused = 0, - .affineAnimPaused = 0, - .animLoopCounter = 0, - .data = {0, 0, 0, 0, 0, 0, 0}, - .inUse = 0, - .coordOffsetEnabled = 0, - .invisible = FALSE, - .flags_3 = 0, - .flags_4 = 0, - .flags_5 = 0, - .flags_6 = 0, - .flags_7 = 0, - .hFlip = 0, - .vFlip = 0, - .animBeginning = 0, - .affineAnimBeginning = 0, - .animEnded = 0, - .affineAnimEnded = 0, - .usingSheet = 0, - .flags_f = 0, - .sheetTileStart = 0, - .subspriteTableNum = 0, - .subspriteMode = 0, - .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 = 0xFFFF, - .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 s32 sUnknown_082EC6F4[3][4][2] = -{ - { - {8, 8}, - {0x10, 0x10}, - {0x20, 0x20}, - {0x40, 0x40}, - }, - { - {0x10, 8}, - {0x20, 8}, - {0x20, 0x10}, - {0x40, 0x20}, - }, - { - {8, 0x10}, - {8, 0x20}, - {0x10, 0x20}, - {0x20, 0x40}, - }, -}; - -static const struct OamDimensions sOamDimensions[3][4] = -{ - { // square - { 8, 8 }, - { 16, 16 }, - { 32, 32 }, - { 64, 64 }, - }, - { // horizontal rectangle - { 16, 8 }, - { 32, 8 }, - { 32, 16 }, - { 64, 32 }, - }, - { // vertical rectangle - { 8, 16 }, - { 8, 32 }, - { 16, 32 }, - { 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->pos1.x + sprite->pos2.x + sprite->centerToCornerVecX + gSpriteCoordOffsetX; - sprite->oam.y = sprite->pos1.y + sprite->pos2.y + sprite->centerToCornerVecY + gSpriteCoordOffsetY; - } - else - { - sprite->oam.x = sprite->pos1.x + sprite->pos2.x + sprite->centerToCornerVecX; - sprite->oam.y = sprite->pos1.y + sprite->pos2.y + 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 == 3) - { - u32 shape = sprite1->oam.shape; - if (shape == ST_OAM_SQUARE || shape == 2) - { - if (sprite1Y > 128) - sprite1Y = sprite1Y - 256; - } - } - - if (sprite2->oam.affineMode == ST_OAM_AFFINE_DOUBLE - && sprite2->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--; - - 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 == 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 == 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->pos1.x = x; - sprite->pos1.y = y; - - CalcCenterToCornerVec(sprite, sprite->oam.shape, sprite->oam.size, sprite->oam.affineMode); - - if (template->tileTag == 0xFFFF) - { - 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 != 0xFFFF) - 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++) - { - struct OamData *oamBuffer = gMain.oamBuffer; - 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) -{ - if (sprite->template->tileTag != 0xFFFF) - FreeSpriteTilesByTag(sprite->template->tileTag); -} - -void FreeSpritePalette(struct Sprite *sprite) -{ - 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->flags_f) - obj_update_pos2(sprite, sprite->data[6], sprite->data[7]); - } -} - -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->flags_f) - obj_update_pos2(sprite, sprite->data[6], sprite->data[7]); - } -} - -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; -} - -void sub_8007E18(struct Sprite* sprite, s16 a2, s16 a3) -{ - sprite->data[6] = a2; - sprite->data[7] = a3; - sprite->flags_f = 1; -} - -s32 sub_8007E28(s32 a0, s32 a1, s32 a2) -{ - s32 subResult, var1; - - subResult = a1 - a0; - if (subResult < 0) - var1 = -(subResult) >> 9; - else - var1 = -(subResult >> 9); - return a2 - ((u32)(a2 * a1) / (u32)(a0) + var1); -} - -void obj_update_pos2(struct Sprite *sprite, s32 a1, s32 a2) -{ - s32 var0, var1, var2; - - u32 matrixNum = sprite->oam.matrixNum; - if (a1 != 0x800) - { - var0 = sUnknown_082EC6F4[sprite->oam.shape][sprite->oam.size][0]; - var1 = var0 << 8; - var2 = (var0 << 16) / gOamMatrices[matrixNum].a; - sprite->pos2.x = sub_8007E28(var1, var2, a1); - } - if (a2 != 0x800) - { - var0 = sUnknown_082EC6F4[sprite->oam.shape][sprite->oam.size][1]; - var1 = var0 << 8; - var2 = (var0 << 16) / gOamMatrices[matrixNum].d; - sprite->pos2.y = sub_8007E28(var1, var2, a2); - } -} - -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 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] = 0xFFFF; - } -} - -void FreeSpriteTileRanges(void) -{ - u8 i; - - for (i = 0; i < MAX_SPRITES; i++) - { - sSpriteTileRangeTags[i] = 0xFFFF; - 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] != 0xFFFF && sSpriteTileRanges[i * 2] == start) - return sSpriteTileRangeTags[i]; - } - - return 0xFFFF; -} - -void AllocSpriteTileRange(u16 tag, u16 start, u16 count) -{ - u8 freeIndex = IndexOfSpriteTileTag(0xFFFF); - 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] = 0xFFFF; -} - -u8 LoadSpritePalette(const struct SpritePalette *palette) -{ - u8 index = IndexOfSpritePaletteTag(palette->tag); - - if (index != 0xFF) - return index; - - index = IndexOfSpritePaletteTag(0xFFFF); - - 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(0xFFFF); - 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] = 0xFFFF; -} - -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; -} |