diff options
Diffstat (limited to 'src/rom_81520A8.c')
| -rw-r--r-- | src/rom_81520A8.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/rom_81520A8.c b/src/rom_81520A8.c new file mode 100644 index 000000000..f6d14d49c --- /dev/null +++ b/src/rom_81520A8.c @@ -0,0 +1,218 @@ +#include "global.h" +#include "rom_81520A8.h" +#include "malloc.h" +#include "main.h" +#include "rom_8034C54.h" + +static EWRAM_DATA struct +{ + u8 count; + struct UnkStruct_81520A8 *unk4; +} *sUnknown_0203ABB8 = NULL; + +void sub_81520A8(void *dest, u16 value, u8 left, u8 top, u8 width, u8 height) // Unused. +{ + u8 i; + u8 j; + u8 x; + u8 y; + + for (i = 0, y = top; i < height; i++) + { + for (x = left, j = 0; j < width; j++) + { + *(u16 *)((dest) + (y * 64 + x * 2)) = value; + x = (x + 1) % 32; + } + y = (y + 1) % 32; + } +} + +void sub_8152134(void *dest, const u16 *src, u8 left, u8 top, u8 width, u8 height) // Unused. +{ + u8 i; + u8 j; + u8 x; + u8 y; + const u16 *_src; + + for (i = 0, _src = src, y = top; i < height; i++) + { + for (x = left, j = 0; j < width; j++) + { + *(u16 *)((dest) + (y * 64 + x * 2)) = *(_src++); + x = (x + 1) % 32; + } + y = (y + 1) % 32; + } +} + +bool32 sub_81521C0(u8 count) +{ + u8 i = 0; + + if (count == 0) + return FALSE; + if (count > 64) + count = 64; + + sUnknown_0203ABB8 = AllocZeroed(sizeof(*sUnknown_0203ABB8)); + if (sUnknown_0203ABB8 == NULL) + return FALSE; + sUnknown_0203ABB8->unk4 = AllocZeroed(count * sizeof(struct UnkStruct_81520A8)); + if (sUnknown_0203ABB8->unk4 == NULL) + { + FREE_AND_SET_NULL(sUnknown_0203ABB8); + return FALSE; + } + + sUnknown_0203ABB8->count = count; + for (i = 0; i < count; i++) + { + memcpy(&sUnknown_0203ABB8->unk4[i].oam, &gDummyOamData, sizeof(struct OamData)); + sUnknown_0203ABB8->unk4[i].unk19_2 = TRUE; + } + + return TRUE; +} + +bool32 sub_8152254(void) +{ + u8 i = 0; + + if (sUnknown_0203ABB8 == NULL) + return FALSE; + + for (i = 0; i < sUnknown_0203ABB8->count; i++) + memcpy(&gMain.oamBuffer[i + 64], &gDummyOamData, sizeof(struct OamData)); + + memset(sUnknown_0203ABB8->unk4, 0, sUnknown_0203ABB8->count * sizeof(struct UnkStruct_81520A8)); + FREE_AND_SET_NULL(sUnknown_0203ABB8->unk4); + memset(sUnknown_0203ABB8, 0, sizeof(*sUnknown_0203ABB8)); + FREE_AND_SET_NULL(sUnknown_0203ABB8); + + return TRUE; +} + +bool32 sub_81522D4(void) +{ + u8 i = 0; + + if (sUnknown_0203ABB8 == NULL || sUnknown_0203ABB8->unk4 == NULL) + return FALSE; + + for (i = 0; i < sUnknown_0203ABB8->count; i++) + { + if (sUnknown_0203ABB8->unk4[i].unk19_0 && sUnknown_0203ABB8->unk4[i].unk19_1) + { + if (sUnknown_0203ABB8->unk4[i].callback != NULL) + sUnknown_0203ABB8->unk4[i].callback(&sUnknown_0203ABB8->unk4[i]); + + if (sUnknown_0203ABB8->unk4[i].unk19_2) + { + memcpy(&gMain.oamBuffer[i + 64], &gDummyOamData, sizeof(struct OamData)); + } + else + { + sUnknown_0203ABB8->unk4[i].oam.y = sUnknown_0203ABB8->unk4[i].y + sUnknown_0203ABB8->unk4[i].yDelta; + sUnknown_0203ABB8->unk4[i].oam.x = sUnknown_0203ABB8->unk4[i].x + sUnknown_0203ABB8->unk4[i].xDelta; + sUnknown_0203ABB8->unk4[i].oam.priority = sUnknown_0203ABB8->unk4[i].priority; + sUnknown_0203ABB8->unk4[i].oam.tileNum = sUnknown_0203ABB8->unk4[i].tileNum; + memcpy(&gMain.oamBuffer[i + 64], &sUnknown_0203ABB8->unk4[i], sizeof(struct OamData)); + } + } + } + + return TRUE; +} + +static bool32 sub_81523F4(struct UnkStruct_81520A8 *structPtr, u8 arg1) +{ + u16 tileStart; + + if (structPtr == NULL) + return FALSE; + + tileStart = GetSpriteTileStartByTag(structPtr->tileTag); + if (tileStart == 0xFFFF) + return FALSE; + + structPtr->unk18 = arg1; + structPtr->tileNum = (sub_80355F8(structPtr->oam.shape, structPtr->oam.size) * arg1) + tileStart; + return TRUE; +} + +u8 sub_8152438(u8 id, void (*func)(struct UnkStruct_81520A8 *)) +{ + if (sUnknown_0203ABB8 == NULL || id >= sUnknown_0203ABB8->count) + return 0xFF; + else if (!sUnknown_0203ABB8->unk4[id].unk19_0) + return 0xFF; + + sUnknown_0203ABB8->unk4[id].callback = func; + return id; +} + +u8 sub_8152474(u8 id, u8 dataArrayId, s16 dataValue) +{ + if (sUnknown_0203ABB8 == NULL || id >= sUnknown_0203ABB8->count) + return 0xFF; + else if (!sUnknown_0203ABB8->unk4[id].unk19_0 || dataArrayId >= ARRAY_COUNT(sUnknown_0203ABB8->unk4[id].data)) + return 0xFF; + + sUnknown_0203ABB8->unk4[id].data[dataArrayId] = dataValue; + return id; +} + +u8 sub_81524C4(const struct OamData *oam, u16 tileTag, u16 palTag, s16 x, s16 y, u8 arg5, u8 priority) +{ + struct UnkStruct_81520A8 *structPtr = NULL; + u8 i; + + if (sUnknown_0203ABB8 == NULL || oam == NULL) + return 0xFF; + + for (i = 0; i < sUnknown_0203ABB8->count; i++) + { + if (!sUnknown_0203ABB8->unk4[i].unk19_0) + { + structPtr = &sUnknown_0203ABB8->unk4[i]; + memset(structPtr, 0, sizeof(*structPtr)); + structPtr->id = i; + structPtr->unk19_0 = TRUE; + structPtr->unk19_1 = TRUE; + break; + } + } + + if (structPtr == NULL) + return 0xFF; + + memcpy(&structPtr->oam, oam, sizeof(*oam)); + structPtr->tileTag = tileTag; + structPtr->palTag = palTag; + structPtr->x = x; + structPtr->y = y; + structPtr->oam.paletteNum = IndexOfSpritePaletteTag(palTag); + if (priority < 4) + { + structPtr->priority = priority; + structPtr->oam.priority = priority; + } + sub_81523F4(structPtr, arg5); + + return structPtr->id; +} + +u8 sub_81525D0(u8 id) +{ + if (sUnknown_0203ABB8 == NULL || !sUnknown_0203ABB8->unk4[id].unk19_0) + return 0xFF; + + memset(&sUnknown_0203ABB8->unk4[id], 0, sizeof(struct UnkStruct_81520A8)); + sUnknown_0203ABB8->unk4[id].oam.y = 160; + sUnknown_0203ABB8->unk4[id].oam.x = 240; + sUnknown_0203ABB8->unk4[id].unk19_2 = TRUE; + memcpy(&gMain.oamBuffer[id + 64], &gDummyOamData, sizeof(struct OamData)); + return id; +} |