mirror of
https://github.com/pret/pokeruby.git
synced 2026-10-02 23:45:19 -04:00
1809 lines
48 KiB
C
1809 lines
48 KiB
C
#include "global.h"
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#include "main.h"
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#include "sprite.h"
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#define MAX_SPRITE_COPY_REQUESTS 64
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#define OAM_MATRIX_COUNT 32
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#define SET_SPRITE_TILE_RANGE(index, start, count) \
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{ \
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u16 *rangeStarts; \
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u16 *rangeCounts; \
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rangeStarts = sSpriteTileRanges; \
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rangeStarts[index * 2] = start; \
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rangeCounts = sSpriteTileRanges + 1; \
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rangeCounts[index * 2] = count; \
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}
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#define ALLOC_SPRITE_TILE(n) \
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{ \
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gSpriteTileAllocBitmap[(n) / 8] |= (1 << ((n) % 8)); \
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}
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#define FREE_SPRITE_TILE(n) \
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{ \
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gSpriteTileAllocBitmap[(n) / 8] &= ~(1 << ((n) % 8)); \
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}
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#define SPRITE_TILE_IS_ALLOCATED(n) ((gSpriteTileAllocBitmap[(n) / 8] >> ((n) % 8)) & 1)
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struct OamMatrix
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{
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s16 a;
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s16 b;
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s16 c;
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s16 d;
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};
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struct SpriteCopyRequest
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{
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u8 *src;
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u8 *dest;
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u16 size;
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};
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struct OamDimensions
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{
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s8 width;
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s8 height;
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};
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void LoadPalette(u16 *, u16, u32);
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void sub_814A590(void);
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static void UpdateOamCoords(void);
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static void BuildSpritePriorities(void);
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static void SortSprites(void);
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static void CopyMatricesToOamBuffer(void);
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static void AddSpritesToOamBuffer(void);
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static u8 CreateSpriteAt(u8 index, struct SpriteTemplate *template, s16 x, s16 y, u8 subpriority);
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static void ClearSpriteCopyRequests(void);
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static void ResetOamMatrices(void);
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static void ResetSprite(struct Sprite *sprite);
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static s16 AllocSpriteTiles(u16 tileCount);
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static u8 SpriteTileAllocBitmapOp(u16 bit, u8 op);
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static void RequestSpriteFrameImageCopy(u16 index, u16 tileNum, struct SpriteFrameImage *images);
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static void CopyFromSprites(u8 *dest);
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static void CopyToSprites(u8 *src);
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static void ResetAllSprites(void);
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static void BeginAnim(struct Sprite *sprite);
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static void ContinueAnim(struct Sprite *sprite);
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static void AnimCmd_frame(struct Sprite *sprite);
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static void AnimCmd_end(struct Sprite *sprite);
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static void AnimCmd_jump(struct Sprite *sprite);
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static void AnimCmd_loop(struct Sprite *sprite);
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static void BeginAnimLoop(struct Sprite *sprite);
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static void ContinueAnimLoop(struct Sprite *sprite);
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static void JumpToTopOfAnimLoop(struct Sprite *sprite);
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static void BeginAffineAnim(struct Sprite *sprite);
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static void ContinueAffineAnim(struct Sprite *sprite);
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static void AffineAnimDelay(u8 matrixNum, struct Sprite *sprite);
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static void AffineAnimCmd_loop(u8 matrixNum, struct Sprite *sprite);
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static void BeginAffineAnimLoop(u8 matrixNum, struct Sprite *sprite);
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static void ContinueAffineAnimLoop(u8 matrixNum, struct Sprite *sprite);
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static void JumpToTopOfAffineAnimLoop(u8 matrixNum, struct Sprite *sprite);
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static void AffineAnimCmd_jump(u8 matrixNum, struct Sprite *sprite);
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static void AffineAnimCmd_end(u8 matrixNum, struct Sprite *sprite);
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static void AffineAnimCmd_frame(u8 matrixNum, struct Sprite *sprite);
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static void CopyOamMatrix(u8 destMatrixIndex, struct OamMatrix *srcMatrix);
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static u8 GetSpriteMatrixNum(struct Sprite *sprite);
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static void SetSpriteOamFlipBits(struct Sprite *sprite, u8 hFlip, u8 vFlip);
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static void AffineAnimStateRestartAnim(u8 matrixNum);
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static void AffineAnimStateStartAnim(u8 matrixNum, u8 animNum);
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static void AffineAnimStateReset(u8 matrixNum);
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static void ApplyAffineAnimFrameAbsolute(u8 matrixNum, struct AffineAnimFrameCmd *frameCmd);
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static void DecrementAnimDelayCounter(struct Sprite *sprite);
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static bool8 DecrementAffineAnimDelayCounter(struct Sprite *sprite, u8 matrixNum);
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static void ApplyAffineAnimFrameRelativeAndUpdateMatrix(u8 matrixNum, struct AffineAnimFrameCmd *frameCmd);
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static s16 ConvertScaleParam(s16 scale);
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static void GetAffineAnimFrame(u8 matrixNum, struct Sprite *sprite, struct AffineAnimFrameCmd *frameCmd);
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static void ApplyAffineAnimFrame(u8 matrixNum, struct AffineAnimFrameCmd *frameCmd);
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static void ResetAffineAnimData(void);
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static u8 IndexOfSpriteTileTag(u16 tag);
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static void AllocSpriteTileRange(u16 tag, u16 start, u16 count);
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static void DoLoadSpritePalette(u16 *src, u16 paletteOffset);
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typedef void (*AnimFunc)(struct Sprite *);
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typedef void (*AnimCmdFunc)(struct Sprite *);
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typedef void (*AffineAnimCmdFunc)(u8 matrixNum, struct Sprite *);
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#define DUMMY_OAM_DATA \
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{ \
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160, /* Y (off-screen) */ \
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0, \
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0, \
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0, \
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0, \
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0, \
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304, /* X */ \
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0, \
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0, \
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0, \
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3, /* lowest priority */ \
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0, \
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0 \
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}
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#define ANIM_END 0xFFFF
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#define AFFINE_ANIM_END 0x7FFF
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// forward declarations
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const union AnimCmd * const gDummySpriteAnimTable[];
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const union AffineAnimCmd * const gDummySpriteAffineAnimTable[];
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const struct SpriteTemplate gDummySpriteTemplate;
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// Unreferenced error message.
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// It means "The DMA transfer request table has exceeded its limit."
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static const u8 sDmaOverErrorMsg[] =
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_"DMA OVER\n"
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"DMAてんそう\n"
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"リクエストテーブルが\n"
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"オーバーしました";
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// Unreferenced data.
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static const u8 sUnknownData[24] =
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{
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0x01, 0x04, 0x10, 0x40,
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0x02, 0x04, 0x08, 0x20,
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0x02, 0x04, 0x08, 0x20,
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0x01, 0x04, 0x10, 0x40,
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0x02, 0x04, 0x08, 0x20,
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0x02, 0x04, 0x08, 0x20,
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};
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static const u8 sCenterToCornerVecTable[3][4][2] =
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{
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{ // square
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{ -4, -4 },
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{ -8, -8 },
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{ -16, -16 },
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{ -32, -32 },
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},
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{ // horizontal rectangle
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{ -8, -4 },
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{ -16, -4 },
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{ -16, -8 },
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{ -32, -16 },
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},
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{ // vertical rectangle
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{ -4, -8 },
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{ -4, -16 },
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{ -8, -16 },
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{ -16, -32 },
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},
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};
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static const struct Sprite sDummySprite =
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{
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DUMMY_OAM_DATA,
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(union AnimCmd **)gDummySpriteAnimTable,
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NULL,
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(union AffineAnimCmd **)gDummySpriteAffineAnimTable,
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(struct SpriteTemplate *)&gDummySpriteTemplate,
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NULL,
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SpriteCallbackDummy,
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{ 304, 160 },
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{ 0, 0 },
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0xFF
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};
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const struct OamData gDummyOamData = DUMMY_OAM_DATA;
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static const union AnimCmd sDummyAnim = { ANIM_END };
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const union AnimCmd * const gDummySpriteAnimTable[] = { &sDummyAnim };
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static const union AffineAnimCmd sDummyAffineAnim = { AFFINE_ANIM_END };
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const union AffineAnimCmd * const gDummySpriteAffineAnimTable[] = { &sDummyAffineAnim };
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const struct SpriteTemplate gDummySpriteTemplate =
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{
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0,
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0xFFFF,
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(struct OamData *)&gDummyOamData,
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(union AnimCmd **)gDummySpriteAnimTable,
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NULL,
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(union AffineAnimCmd **)gDummySpriteAffineAnimTable,
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SpriteCallbackDummy
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};
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// TODO: Find out what these are used for.
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static const u16 sOamBitmasks[9] =
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{
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0xFF00, 0x00FF, 0x001F,
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0xFE00, 0x01FF, 0x03E0,
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0xFC00, 0x03FF, 0xFC00,
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};
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static const AnimFunc sAnimFuncs[] =
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{
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ContinueAnim,
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BeginAnim,
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};
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static const AnimFunc sAffineAnimFuncs[] =
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{
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ContinueAffineAnim,
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BeginAffineAnim,
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};
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static const AnimCmdFunc sAnimCmdFuncs[] =
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{
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AnimCmd_loop,
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AnimCmd_jump,
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AnimCmd_end,
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AnimCmd_frame,
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};
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static const AffineAnimCmdFunc sAffineAnimCmdFuncs[] =
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{
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AffineAnimCmd_loop,
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AffineAnimCmd_jump,
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AffineAnimCmd_end,
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AffineAnimCmd_frame,
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};
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static const struct OamDimensions sOamDimensions[3][4] =
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{
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{ // square
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{ 8, 8 },
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{ 16, 16 },
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{ 32, 32 },
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{ 64, 64 },
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},
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{ // horizontal rectangle
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{ 16, 8 },
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{ 32, 8 },
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{ 32, 16 },
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{ 64, 32 },
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},
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{ // vertical rectangle
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{ 8, 16 },
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{ 8, 32 },
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{ 16, 32 },
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{ 32, 64 },
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},
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};
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static u16 sSpriteTileRangeTags[MAX_SPRITES];
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static u16 sSpriteTileRanges[MAX_SPRITES * 2];
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static struct AffineAnimState sAffineAnimStates[OAM_MATRIX_COUNT];
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static u16 sSpritePaletteTags[16];
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u8 gSpriteOrder[MAX_SPRITES];
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bool8 gShouldProcessSpriteCopyRequests;
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u8 gSpriteCopyRequestCount;
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struct SpriteCopyRequest gSpriteCopyRequests[MAX_SPRITE_COPY_REQUESTS];
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u8 gOamLimit;
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u16 gReservedSpriteTileCount;
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u8 gSpriteTileAllocBitmap[128];
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s16 gSpriteCoordOffsetX;
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s16 gSpriteCoordOffsetY;
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u32 gOamMatrixAllocBitmap;
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struct OamMatrix gOamMatrices[OAM_MATRIX_COUNT];
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u8 gReservedSpritePaletteCount;
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EWRAM_DATA struct Sprite gSprites[MAX_SPRITES + 1] = {0};
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EWRAM_DATA u16 gSpritePriorities[MAX_SPRITES] = {0};
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EWRAM_DATA u8 gAffineAnimsDisabled = {0};
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void ResetSpriteData(void)
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{
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ResetOamRange(0, 128);
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ResetAllSprites();
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ClearSpriteCopyRequests();
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ResetAffineAnimData();
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FreeSpriteTileRanges();
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gOamLimit = 64;
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gReservedSpriteTileCount = 0;
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AllocSpriteTiles(0);
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gSpriteCoordOffsetX = 0;
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gSpriteCoordOffsetY = 0;
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}
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void AnimateSprites(void)
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{
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u8 i;
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for (i = 0; i < MAX_SPRITES; i++)
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{
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struct Sprite *sprite = &gSprites[i];
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if (sprite->inUse)
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{
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sprite->callback(sprite);
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if (sprite->inUse)
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AnimateSprite(sprite);
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}
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}
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}
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void BuildOamBuffer(void)
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{
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u8 temp;
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UpdateOamCoords();
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BuildSpritePriorities();
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SortSprites();
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temp = gMain.oamLoadDisabled;
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gMain.oamLoadDisabled = TRUE;
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AddSpritesToOamBuffer();
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CopyMatricesToOamBuffer();
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gMain.oamLoadDisabled = temp;
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gShouldProcessSpriteCopyRequests = TRUE;
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}
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static void UpdateOamCoords(void)
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{
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u8 i;
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for (i = 0; i < MAX_SPRITES; i++)
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{
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struct Sprite *sprite = &gSprites[i];
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if (sprite->inUse && !sprite->invisible)
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{
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if (sprite->coordOffsetEnabled)
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{
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sprite->oam.x = sprite->pos1.x + sprite->pos2.x + sprite->centerToCornerVecX + gSpriteCoordOffsetX;
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sprite->oam.y = sprite->pos1.y + sprite->pos2.y + sprite->centerToCornerVecY + gSpriteCoordOffsetY;
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}
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else
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{
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sprite->oam.x = sprite->pos1.x + sprite->pos2.x + sprite->centerToCornerVecX;
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sprite->oam.y = sprite->pos1.y + sprite->pos2.y + sprite->centerToCornerVecY;
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}
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}
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}
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}
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static void BuildSpritePriorities(void)
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{
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u16 i;
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for (i = 0; i < MAX_SPRITES; i++)
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{
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struct Sprite *sprite = &gSprites[i];
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u16 priority = sprite->subpriority | (sprite->oam.priority << 8);
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gSpritePriorities[i] = priority;
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}
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}
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static void SortSprites(void)
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{
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u8 i;
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for (i = 1; i < MAX_SPRITES; i++)
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{
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u8 j = i;
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struct Sprite *sprite1 = &gSprites[gSpriteOrder[i - 1]];
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struct Sprite *sprite2 = &gSprites[gSpriteOrder[i]];
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u16 sprite1Priority = gSpritePriorities[gSpriteOrder[i - 1]];
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u16 sprite2Priority = gSpritePriorities[gSpriteOrder[i]];
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s16 sprite1Y = sprite1->oam.y;
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s16 sprite2Y = sprite2->oam.y;
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if (sprite1Y >= DISPLAY_HEIGHT)
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sprite1Y = sprite1Y - 256;
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if (sprite2Y >= DISPLAY_HEIGHT)
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sprite2Y = sprite2Y - 256;
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if (sprite1->oam.affineMode == ST_OAM_AFFINE_DOUBLE
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&& sprite1->oam.size == 3)
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{
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u32 shape = sprite1->oam.shape;
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if (shape == ST_OAM_SQUARE || shape == 2)
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{
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if (sprite1Y > 128)
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sprite1Y = sprite1Y - 256;
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}
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}
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if (sprite2->oam.affineMode == ST_OAM_AFFINE_DOUBLE
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&& sprite2->oam.size == 3)
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{
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u32 shape = sprite2->oam.shape;
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if (shape == ST_OAM_SQUARE || shape == ST_OAM_V_RECTANGLE)
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{
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if (sprite2Y > 128)
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sprite2Y = sprite2Y - 256;
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}
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}
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while (j > 0
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&& ((sprite1Priority > sprite2Priority)
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|| (sprite1Priority == sprite2Priority && sprite1Y < sprite2Y)))
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{
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u8 temp = gSpriteOrder[j];
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gSpriteOrder[j] = gSpriteOrder[j - 1];
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gSpriteOrder[j - 1] = temp;
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// UB: If j equals 1, then j-- makes j equal 0.
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// Then, gSpriteOrder[-1] gets accessed below.
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// Although this doesn't result in a bug in the ROM,
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// the behavior is undefined.
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j--;
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sprite1 = &gSprites[gSpriteOrder[j - 1]];
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sprite2 = &gSprites[gSpriteOrder[j]];
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sprite1Priority = gSpritePriorities[gSpriteOrder[j - 1]];
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sprite2Priority = gSpritePriorities[gSpriteOrder[j]];
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sprite1Y = sprite1->oam.y;
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sprite2Y = sprite2->oam.y;
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if (sprite1Y >= DISPLAY_HEIGHT)
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sprite1Y = sprite1Y - 256;
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if (sprite2Y >= DISPLAY_HEIGHT)
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sprite2Y = sprite2Y - 256;
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if (sprite1->oam.affineMode == ST_OAM_AFFINE_DOUBLE
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&& sprite1->oam.size == 3)
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{
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u32 shape = sprite1->oam.shape;
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if (shape == ST_OAM_SQUARE || shape == ST_OAM_V_RECTANGLE)
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{
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if (sprite1Y > 128)
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sprite1Y = sprite1Y - 256;
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}
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}
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if (sprite2->oam.affineMode == ST_OAM_AFFINE_DOUBLE
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&& sprite2->oam.size == 3)
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{
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u32 shape = sprite2->oam.shape;
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if (shape == ST_OAM_SQUARE || shape == ST_OAM_V_RECTANGLE)
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{
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if (sprite2Y > 128)
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sprite2Y = sprite2Y - 256;
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}
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}
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}
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}
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}
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static void CopyMatricesToOamBuffer(void)
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{
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u8 i;
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for (i = 0; i < OAM_MATRIX_COUNT; i++)
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{
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u32 base = 4 * i;
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gMain.oamBuffer[base + 0].affineParam = gOamMatrices[i].a;
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gMain.oamBuffer[base + 1].affineParam = gOamMatrices[i].b;
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gMain.oamBuffer[base + 2].affineParam = gOamMatrices[i].c;
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gMain.oamBuffer[base + 3].affineParam = gOamMatrices[i].d;
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}
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}
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|
|
static void AddSpritesToOamBuffer(void)
|
|
{
|
|
u8 i = 0;
|
|
u8 oamIndex = 0;
|
|
|
|
while (i < MAX_SPRITES)
|
|
{
|
|
struct Sprite *sprite = &gSprites[gSpriteOrder[i]];
|
|
if (sprite->inUse && !sprite->invisible && AddSpriteToOamBuffer(sprite, &oamIndex))
|
|
break;
|
|
i++;
|
|
}
|
|
|
|
gMain.objCount = oamIndex;
|
|
|
|
while (oamIndex < gOamLimit)
|
|
{
|
|
gMain.oamBuffer[oamIndex] = gDummyOamData;
|
|
oamIndex++;
|
|
}
|
|
}
|
|
|
|
u8 CreateSprite(struct SpriteTemplate *template, u16 x, u16 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(struct SpriteTemplate *template, u16 x, u16 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((struct SpriteTemplate *)&gDummySpriteTemplate, 0, 0, 31);
|
|
|
|
if (index == MAX_SPRITES)
|
|
{
|
|
return MAX_SPRITES;
|
|
}
|
|
else
|
|
{
|
|
gSprites[index].invisible = TRUE;
|
|
gSprites[index].callback = callback;
|
|
return index;
|
|
}
|
|
}
|
|
|
|
static u8 CreateSpriteAt(u8 index, 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(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));
|
|
}
|
|
|
|
static void ClearSpriteCopyRequests(void)
|
|
{
|
|
u8 i;
|
|
|
|
gShouldProcessSpriteCopyRequests = FALSE;
|
|
gSpriteCopyRequestCount = 0;
|
|
|
|
for (i = 0; i < MAX_SPRITE_COPY_REQUESTS; i++)
|
|
{
|
|
gSpriteCopyRequests[i].src = 0;
|
|
gSpriteCopyRequests[i].dest = 0;
|
|
gSpriteCopyRequests[i].size = 0;
|
|
}
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static 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);
|
|
gSpriteTileAllocBitmap[index] &= val;
|
|
}
|
|
else if (op == 1)
|
|
{
|
|
val = (1 << val);
|
|
gSpriteTileAllocBitmap[index] |= val;
|
|
}
|
|
else
|
|
{
|
|
retVal = 1 << shift;
|
|
retVal &= gSpriteTileAllocBitmap[index];
|
|
}
|
|
|
|
return retVal;
|
|
}
|
|
|
|
void SpriteCallbackDummy(struct Sprite *sprite)
|
|
{
|
|
}
|
|
|
|
void ProcessSpriteCopyRequests(void)
|
|
{
|
|
if (gShouldProcessSpriteCopyRequests)
|
|
{
|
|
u8 i = 0;
|
|
|
|
while (gSpriteCopyRequestCount > 0)
|
|
{
|
|
CpuCopy16(gSpriteCopyRequests[i].src, gSpriteCopyRequests[i].dest, gSpriteCopyRequests[i].size);
|
|
gSpriteCopyRequestCount--;
|
|
i++;
|
|
}
|
|
|
|
gShouldProcessSpriteCopyRequests = FALSE;
|
|
}
|
|
}
|
|
|
|
static void RequestSpriteFrameImageCopy(u16 index, u16 tileNum, struct SpriteFrameImage *images)
|
|
{
|
|
if (gSpriteCopyRequestCount < MAX_SPRITE_COPY_REQUESTS)
|
|
{
|
|
gSpriteCopyRequests[gSpriteCopyRequestCount].src = images[index].data;
|
|
gSpriteCopyRequests[gSpriteCopyRequestCount].dest = (u8 *)OBJ_VRAM0 + TILE_SIZE_4BPP * tileNum;
|
|
gSpriteCopyRequests[gSpriteCopyRequestCount].size = images[index].size;
|
|
gSpriteCopyRequestCount++;
|
|
}
|
|
}
|
|
|
|
void RequestSpriteCopy(u8 *src, u8 *dest, u16 size)
|
|
{
|
|
if (gSpriteCopyRequestCount < MAX_SPRITE_COPY_REQUESTS)
|
|
{
|
|
gSpriteCopyRequests[gSpriteCopyRequestCount].src = src;
|
|
gSpriteCopyRequests[gSpriteCopyRequestCount].dest = dest;
|
|
gSpriteCopyRequests[gSpriteCopyRequestCount].size = size;
|
|
gSpriteCopyRequestCount++;
|
|
}
|
|
}
|
|
|
|
static void CopyFromSprites(u8 *dest)
|
|
{
|
|
u32 i;
|
|
u8 *src = (u8 *)gSprites;
|
|
for (i = 0; i < sizeof(struct Sprite) * MAX_SPRITES; i++)
|
|
{
|
|
*dest = *src;
|
|
dest++;
|
|
src++;
|
|
}
|
|
}
|
|
|
|
static void CopyToSprites(u8 *src)
|
|
{
|
|
u32 i;
|
|
u8 *dest = (u8 *)gSprites;
|
|
for (i = 0; i < sizeof(struct Sprite) * MAX_SPRITES; i++)
|
|
{
|
|
*dest = *src;
|
|
src++;
|
|
dest++;
|
|
}
|
|
}
|
|
|
|
static void ResetAllSprites(void)
|
|
{
|
|
u8 i;
|
|
|
|
for (i = 0; i < MAX_SPRITES; i++)
|
|
{
|
|
ResetSprite(&gSprites[i]);
|
|
gSpriteOrder[i] = i;
|
|
}
|
|
|
|
ResetSprite(&gSprites[i]);
|
|
sub_814A590();
|
|
}
|
|
|
|
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 sub_800142C(u32 a1, u32 a2, u16 *a3, u16 a4, u32 a5)
|
|
{
|
|
u16 *d = a3;
|
|
struct OamData *oam = &gMain.oamBuffer[gMain.objCount];
|
|
while (!(gMain.objCount & 0x80) && (s16)(d[0] + 1) != 0)
|
|
{
|
|
u16 *x = (u16 *)oam;
|
|
x[0] = (d[0] & sOamBitmasks[0]) | ((d[0] + a2) & sOamBitmasks[1]) | ((a4 & sOamBitmasks[2]) << 8);
|
|
x[1] = (d[1] & sOamBitmasks[3]) | ((d[1] + a1) & sOamBitmasks[4]) | ((a4 & sOamBitmasks[5]) << 4);
|
|
x[2] = (d[2] & sOamBitmasks[6]) | ((d[2] + a5) & sOamBitmasks[7]) | (a4 & sOamBitmasks[8]);
|
|
oam++;
|
|
gMain.objCount++;
|
|
d += 3;
|
|
}
|
|
}
|
|
|
|
void AnimateSprite(struct Sprite *sprite)
|
|
{
|
|
sAnimFuncs[sprite->animBeginning](sprite);
|
|
|
|
if (!gAffineAnimsDisabled)
|
|
sAffineAnimFuncs[sprite->affineAnimBeginning](sprite);
|
|
}
|
|
|
|
static 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);
|
|
}
|
|
}
|
|
|
|
static 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);
|
|
}
|
|
}
|
|
|
|
static 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);
|
|
}
|
|
|
|
static void AnimCmd_end(struct Sprite *sprite)
|
|
{
|
|
sprite->animCmdIndex--;
|
|
sprite->animEnded = TRUE;
|
|
}
|
|
|
|
static 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);
|
|
}
|
|
|
|
static void AnimCmd_loop(struct Sprite *sprite)
|
|
{
|
|
if (sprite->animLoopCounter)
|
|
ContinueAnimLoop(sprite);
|
|
else
|
|
BeginAnimLoop(sprite);
|
|
}
|
|
|
|
static void BeginAnimLoop(struct Sprite *sprite)
|
|
{
|
|
sprite->animLoopCounter = sprite->anims[sprite->animNum][sprite->animCmdIndex].loop.count;
|
|
JumpToTopOfAnimLoop(sprite);
|
|
ContinueAnim(sprite);
|
|
}
|
|
|
|
static void ContinueAnimLoop(struct Sprite *sprite)
|
|
{
|
|
sprite->animLoopCounter--;
|
|
JumpToTopOfAnimLoop(sprite);
|
|
ContinueAnim(sprite);
|
|
}
|
|
|
|
static 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--;
|
|
}
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
}
|
|
|
|
static 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)
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void AffineAnimDelay(u8 matrixNum, struct Sprite *sprite)
|
|
{
|
|
if (!DecrementAffineAnimDelayCounter(sprite, matrixNum))
|
|
{
|
|
struct AffineAnimFrameCmd frameCmd;
|
|
GetAffineAnimFrame(matrixNum, sprite, &frameCmd);
|
|
ApplyAffineAnimFrameRelativeAndUpdateMatrix(matrixNum, &frameCmd);
|
|
}
|
|
}
|
|
|
|
static void AffineAnimCmd_loop(u8 matrixNum, struct Sprite *sprite)
|
|
{
|
|
if (sAffineAnimStates[matrixNum].loopCounter)
|
|
ContinueAffineAnimLoop(matrixNum, sprite);
|
|
else
|
|
BeginAffineAnimLoop(matrixNum, sprite);
|
|
}
|
|
|
|
static 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);
|
|
}
|
|
|
|
static void ContinueAffineAnimLoop(u8 matrixNum, struct Sprite *sprite)
|
|
{
|
|
sAffineAnimStates[matrixNum].loopCounter--;
|
|
JumpToTopOfAffineAnimLoop(matrixNum, sprite);
|
|
ContinueAffineAnim(sprite);
|
|
}
|
|
|
|
static 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--;
|
|
}
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static void AffineAnimCmd_end(u8 matrixNum, struct Sprite *sprite)
|
|
{
|
|
struct AffineAnimFrameCmd dummyFrameCmd = {0};
|
|
sprite->affineAnimEnded = TRUE;
|
|
sAffineAnimStates[matrixNum].animCmdIndex--;
|
|
ApplyAffineAnimFrameRelativeAndUpdateMatrix(matrixNum, &dummyFrameCmd);
|
|
}
|
|
|
|
static void AffineAnimCmd_frame(u8 matrixNum, struct Sprite *sprite)
|
|
{
|
|
struct AffineAnimFrameCmd frameCmd;
|
|
GetAffineAnimFrame(matrixNum, sprite, &frameCmd);
|
|
ApplyAffineAnimFrame(matrixNum, &frameCmd);
|
|
sAffineAnimStates[matrixNum].delayCounter = frameCmd.duration;
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static u8 GetSpriteMatrixNum(struct Sprite *sprite)
|
|
{
|
|
u8 matrixNum = 0;
|
|
if (sprite->oam.affineMode & ST_OAM_AFFINE_ON_MASK)
|
|
matrixNum = sprite->oam.matrixNum;
|
|
return matrixNum;
|
|
}
|
|
|
|
static 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);
|
|
}
|
|
|
|
static void AffineAnimStateRestartAnim(u8 matrixNum)
|
|
{
|
|
sAffineAnimStates[matrixNum].animCmdIndex = 0;
|
|
sAffineAnimStates[matrixNum].delayCounter = 0;
|
|
sAffineAnimStates[matrixNum].loopCounter = 0;
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static void ApplyAffineAnimFrameAbsolute(u8 matrixNum, struct AffineAnimFrameCmd *frameCmd)
|
|
{
|
|
sAffineAnimStates[matrixNum].xScale = frameCmd->xScale;
|
|
sAffineAnimStates[matrixNum].yScale = frameCmd->yScale;
|
|
sAffineAnimStates[matrixNum].rotation = frameCmd->rotation << 8;
|
|
}
|
|
|
|
static void DecrementAnimDelayCounter(struct Sprite *sprite)
|
|
{
|
|
if (!sprite->animPaused)
|
|
sprite->animDelayCounter--;
|
|
}
|
|
|
|
static bool8 DecrementAffineAnimDelayCounter(struct Sprite *sprite, u8 matrixNum)
|
|
{
|
|
if (!sprite->affineAnimPaused)
|
|
--sAffineAnimStates[matrixNum].delayCounter;
|
|
return sprite->affineAnimPaused;
|
|
}
|
|
|
|
static 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);
|
|
}
|
|
|
|
static s16 ConvertScaleParam(s16 scale)
|
|
{
|
|
s32 val = 0x10000;
|
|
return val / scale;
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
}
|
|
|
|
static void ResetAffineAnimData(void)
|
|
{
|
|
u8 i;
|
|
|
|
gAffineAnimsDisabled = 0;
|
|
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(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(struct SpriteSheet *sheets)
|
|
{
|
|
u8 i;
|
|
for (i = 0; sheets[i].data != NULL; i++)
|
|
LoadSpriteSheet(&sheets[i]);
|
|
}
|
|
|
|
u16 AllocTilesForSpriteSheet(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);
|
|
return (u16)tileStart;
|
|
}
|
|
}
|
|
|
|
void AllocTilesForSpriteSheets(struct SpriteSheet *sheets)
|
|
{
|
|
u8 i;
|
|
for (i = 0; sheets[i].data != NULL; i++)
|
|
AllocTilesForSpriteSheet(&sheets[i]);
|
|
}
|
|
|
|
void LoadTilesForSpriteSheet(struct SpriteSheet *sheet)
|
|
{
|
|
u8 *data = sheet->data;
|
|
u16 tileStart = GetSpriteTileStartByTag(sheet->tag);
|
|
CpuCopy16(data, (u8 *)OBJ_VRAM0 + TILE_SIZE_4BPP * tileStart, sheet->size);
|
|
}
|
|
|
|
void LoadTilesForSpriteSheets(struct SpriteSheet *sheets)
|
|
{
|
|
u8 i;
|
|
for (i = 0; sheets[i].data != NULL; i++)
|
|
LoadTilesForSpriteSheet(&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];
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static void AllocSpriteTileRange(u16 tag, u16 start, u16 count)
|
|
{
|
|
u8 freeIndex = IndexOfSpriteTileTag(0xFFFF);
|
|
sSpriteTileRangeTags[freeIndex] = tag;
|
|
SET_SPRITE_TILE_RANGE(freeIndex, start, count);
|
|
}
|
|
|
|
void RequestSpriteSheetCopy(struct SpriteSheet *sheet)
|
|
{
|
|
u8 *data = sheet->data;
|
|
u16 tileStart = GetSpriteTileStartByTag(sheet->tag);
|
|
RequestSpriteCopy(data, (u8 *)OBJ_VRAM0 + tileStart * TILE_SIZE_4BPP, sheet->size);
|
|
}
|
|
|
|
u16 LoadSpriteSheetDeferred(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);
|
|
RequestSpriteSheetCopy(sheet);
|
|
return (u16)tileStart;
|
|
}
|
|
}
|
|
|
|
void FreeAllSpritePalettes(void)
|
|
{
|
|
u8 i;
|
|
gReservedSpritePaletteCount = 0;
|
|
for (i = 0; i < 16; i++)
|
|
sSpritePaletteTags[i] = 0xFFFF;
|
|
}
|
|
|
|
u8 LoadSpritePalette(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(struct SpritePalette *palettes)
|
|
{
|
|
u8 i;
|
|
for (i = 0; palettes[i].data != NULL; i++)
|
|
if (LoadSpritePalette(&palettes[i]) == 0xFF)
|
|
break;
|
|
}
|
|
|
|
static void DoLoadSpritePalette(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, 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)
|
|
{
|
|
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;
|
|
}
|