diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/tileset_anims.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/src/tileset_anims.c b/src/tileset_anims.c new file mode 100644 index 000000000..30f390512 --- /dev/null +++ b/src/tileset_anims.c @@ -0,0 +1,248 @@ +#include "global.h" +#include "graphics.h" +#include "palette.h" +#include "util.h" +#include "battle_transition.h" +#include "task.h" +#include "fieldmap.h" + +static EWRAM_DATA struct { + const u16 *src; + u16 *dest; + u16 size; +} sTilesetDMA3TransferBuffer[20] = {0}; + +static u8 sTilesetDMA3TransferBufferSize; +static u16 sPrimaryTilesetAnimCounter; +static u16 sPrimaryTilesetAnimCounterMax; +static u16 sSecondaryTilesetAnimCounter; +static u16 sSecondaryTilesetAnimCounterMax; +static void (*sPrimaryTilesetAnimCallback)(u16); +static void (*sSecondaryTilesetAnimCallback)(u16); + +static void _InitPrimaryTilesetAnimation(void); +static void _InitSecondaryTilesetAnimation(void); + +extern const u16 *const gUnknown_83A7660[]; +extern const u16 *const gUnknown_83AA654[]; +extern const u16 *const gUnknown_83AB874[]; +extern const u16 *const gUnknown_83ABDB4[]; +extern const u16 *const gUnknown_83AC1E8[]; +extern const u16 *const gUnknown_83AC5F8[]; +extern const u16 *const gUnknown_83AC7C8[]; +extern const u16 *const gUnknown_83AC950[]; + +static void ResetTilesetAnimBuffer(void) +{ + sTilesetDMA3TransferBufferSize = 0; + CpuFill32(0, sTilesetDMA3TransferBuffer, sizeof sTilesetDMA3TransferBuffer); +} + +static void AppendTilesetAnimToBuffer(const u16 *src, u16 *dest, u16 size) +{ + if (sTilesetDMA3TransferBufferSize < 20) + { + sTilesetDMA3TransferBuffer[sTilesetDMA3TransferBufferSize].src = src; + sTilesetDMA3TransferBuffer[sTilesetDMA3TransferBufferSize].dest = dest; + sTilesetDMA3TransferBuffer[sTilesetDMA3TransferBufferSize].size = size; + sTilesetDMA3TransferBufferSize++; + } +} + +void TransferTilesetAnimsBuffer(void) +{ + int i; + + for (i = 0; i < sTilesetDMA3TransferBufferSize; i++) + DmaCopy16(3, sTilesetDMA3TransferBuffer[i].src, sTilesetDMA3TransferBuffer[i].dest, sTilesetDMA3TransferBuffer[i].size); + + sTilesetDMA3TransferBufferSize = 0; +} + +void InitTilesetAnimations(void) +{ + ResetTilesetAnimBuffer(); + _InitPrimaryTilesetAnimation(); + _InitSecondaryTilesetAnimation(); +} + +void InitSecondaryTilesetAnimation(void) +{ + _InitSecondaryTilesetAnimation(); +} + +void UpdateTilesetAnimations(void) +{ + ResetTilesetAnimBuffer(); + if (++sPrimaryTilesetAnimCounter >= sPrimaryTilesetAnimCounterMax) + sPrimaryTilesetAnimCounter = 0; + if (++sSecondaryTilesetAnimCounter >= sSecondaryTilesetAnimCounterMax) + sSecondaryTilesetAnimCounter = 0; + + if (sPrimaryTilesetAnimCallback) + sPrimaryTilesetAnimCallback(sPrimaryTilesetAnimCounter); + if (sSecondaryTilesetAnimCallback) + sSecondaryTilesetAnimCallback(sSecondaryTilesetAnimCounter); +} + +static void _InitPrimaryTilesetAnimation(void) +{ + sPrimaryTilesetAnimCounter = 0; + sPrimaryTilesetAnimCounterMax = 0; + sPrimaryTilesetAnimCallback = NULL; + if (gMapHeader.mapData->primaryTileset && gMapHeader.mapData->primaryTileset->callback) + gMapHeader.mapData->primaryTileset->callback(); +} + +static void _InitSecondaryTilesetAnimation(void) +{ + sSecondaryTilesetAnimCounter = 0; + sSecondaryTilesetAnimCounterMax = 0; + sSecondaryTilesetAnimCallback = NULL; + if (gMapHeader.mapData->secondaryTileset && gMapHeader.mapData->secondaryTileset->callback) + gMapHeader.mapData->secondaryTileset->callback(); +} + +static void sub_80700A4(u16 timer) +{ + const u16 *const *ptr = gUnknown_83A7660; + u16 i = timer % 5; + + AppendTilesetAnimToBuffer(ptr[i], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(508)), 0x80); +} + +static void sub_80700D0(u16 timer) +{ + const u16 *const *ptr = gUnknown_83AA654; + u16 i = timer % 8; + + AppendTilesetAnimToBuffer(ptr[i], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(416)), 0x600); +} + +static void sub_80700F8(u16 timer) +{ + const u16 *const *ptr = gUnknown_83AB874; + u16 i = timer % 8; + + AppendTilesetAnimToBuffer(ptr[i], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(464)), 0x240); +} + +static void sub_8070120(u16 timer) +{ + if (timer % 8 == 0) + sub_80700F8(timer >> 3); + if (timer % 16 == 1) + sub_80700D0(timer >> 4); + if (timer % 16 == 2) + sub_80700A4(timer >> 4); +} + +void sub_8070154(void) +{ + sPrimaryTilesetAnimCounter = 0; + sPrimaryTilesetAnimCounterMax = 640; + sPrimaryTilesetAnimCallback = sub_8070120; +} + +static void sub_807017C(u16 timer) +{ + const u16 *const *ptr = gUnknown_83ABDB4; + u16 i = timer % 5; + + AppendTilesetAnimToBuffer(ptr[i], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(744)), 0x100); +} + +static void sub_80701AC(u16 timer) +{ + if (timer % 12 == 0) + sub_807017C(timer / 12); +} + +void sub_80701D8(void) +{ + sSecondaryTilesetAnimCounter = 0; + sSecondaryTilesetAnimCounterMax = 120; + sSecondaryTilesetAnimCallback = sub_80701AC; +} + +static void sub_80701FC(u16 timer) +{ + const u16 *const *ptr = gUnknown_83AC1E8; + u16 i = timer % 4; + + AppendTilesetAnimToBuffer(ptr[i], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(976)), 0x100); +} + +static void sub_8070224(u16 timer) +{ + if (timer % 10 == 0) + sub_80701FC(timer / 10); +} + +void sub_8070250(void) +{ + sSecondaryTilesetAnimCounter = 0; + sSecondaryTilesetAnimCounterMax = 160; + sSecondaryTilesetAnimCallback = sub_8070224; +} + +static void sub_8070274(u16 timer) +{ + const u16 *const *ptr = gUnknown_83AC5F8; + u16 i = timer % 4; + + AppendTilesetAnimToBuffer(ptr[i], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(896)), 0x100); +} + +static void sub_807029C(u16 timer) +{ + if (timer % 16 == 0) + sub_8070274(timer >> 4); +} + +void sub_80702B4(void) +{ + sSecondaryTilesetAnimCounter = 0; + sSecondaryTilesetAnimCounterMax = 256; + sSecondaryTilesetAnimCallback = sub_807029C; +} + +static void sub_80702DC(u16 timer) +{ + u16 i = timer % 2; + + AppendTilesetAnimToBuffer(gUnknown_83AC7C8[i], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(880)), 0xE0); +} + +static void sub_8070304(u16 timer) +{ + if (timer % 2 == 0) + sub_80702DC(timer >> 1); +} + +void sub_807031C(void) +{ + sSecondaryTilesetAnimCounter = 0; + sSecondaryTilesetAnimCounterMax = 240; + sSecondaryTilesetAnimCallback = sub_8070304; +} + +static void sub_8070340(u16 timer) +{ + u16 i = timer % 4; + + AppendTilesetAnimToBuffer(gUnknown_83AC950[i], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(739)), 0x80); +} + +static void sub_8070368(u16 timer) +{ + if (timer % 16 == 0) + sub_8070340(timer >> 4); +} + +void sub_8070380(void) +{ + sSecondaryTilesetAnimCounter = 0; + sSecondaryTilesetAnimCounterMax = 256; + sSecondaryTilesetAnimCallback = sub_8070368; +} |