diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/bg.c | 21 |
1 files changed, 15 insertions, 6 deletions
@@ -1551,27 +1551,36 @@ void CopyToBgTilemapBufferRect(u8 bg, void* src, u8 destX, u8 destY, u8 width, u s16 finalX; s16 finalY; u16 test; + u8 destXCopy; + u8 destYCopy; + void* srcBackup; if (IsInvalidBgDuplicate(bg) == FALSE && IsTileMapOutsideWram(bg) == FALSE) { switch (GetBgType(bg)) { case 0: - for (finalY = destY + height; destY < finalY; destY++) + srcBackup = src; + destYCopy = destY; + for (finalY = destYCopy + height; destYCopy < finalY; destYCopy++) { - for (finalX = destX + width; destX < finalX; destX++) + destXCopy = destX; + for (finalX = destXCopy + width; destXCopy < finalX; destXCopy++) { - ((u16*)gUnknown_030008F8[bg].tilemap)[((destY * 0x20) + destX)] = *((u16*)src)++; + ((u16*)gUnknown_030008F8[bg].tilemap)[((destYCopy * 0x20) + destXCopy)] = *((u16*)srcBackup)++; } } break; case 1: + srcBackup = src; test = GetBgMetricAffineMode(bg, 0x1); - for (finalY = destY + height; destY < finalY; destY++) + destYCopy = destY; + for (finalY = destYCopy + height; destYCopy < finalY; destYCopy++) { - for (finalX = destX + width; destX < finalX; destX++) + destXCopy = destX; + for (finalX = destXCopy + width; destXCopy < finalX; destXCopy++) { - ((u8*)gUnknown_030008F8[bg].tilemap)[((destY * test) + destX)] = *((u8*)src)++; + ((u8*)gUnknown_030008F8[bg].tilemap)[((destYCopy * test) + destXCopy)] = *((u8*)srcBackup)++; } } break; |