diff options
Diffstat (limited to 'source/tile.h')
| -rw-r--r-- | source/tile.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/source/tile.h b/source/tile.h index c43e7af..73f2860 100644 --- a/source/tile.h +++ b/source/tile.h @@ -288,5 +288,48 @@ default: \ break; \ } + +#define RENDER_TILE_LARGE_HALFWIDTH(PIXEL, FUNCTION) \ + switch (Tile & (V_FLIP | H_FLIP)) \ + { \ + case H_FLIP: \ + StartPixel = 7 - StartPixel; \ + /* fallthrough for no-flip case - above was a horizontal flip */ \ + case 0: \ + if ((pixel = *(pCache + StartLine + StartPixel))) \ + { \ + pixel = PIXEL; \ + for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \ + { \ + for (int z = Pixels - 2; z >= 0; z -= 2) \ + if (GFX.Z1 > Depth [z]) \ + { \ + sp [z >> 1] = FUNCTION(sp + z, pixel); \ + Depth [z >> 1] = GFX.Z2; \ + }\ + } \ + } \ + break; \ + case H_FLIP | V_FLIP: \ + StartPixel = 7 - StartPixel; \ + /* fallthrough for V_FLIP-only case - above was a horizontal flip */ \ + case V_FLIP: \ + if ((pixel = *(pCache + 56 - StartLine + StartPixel))) \ + { \ + pixel = PIXEL; \ + for (l = LineCount; l != 0; l--, sp += GFX.PPL, Depth += GFX.PPL) \ + { \ + for (int z = Pixels - 2; z >= 0; z -= 2) \ + if (GFX.Z1 > Depth [z]) \ + { \ + sp [z >> 1] = FUNCTION(sp + z, pixel); \ + Depth [z >> 1] = GFX.Z2; \ + }\ + } \ + } \ + break; \ + default: \ + break; \ + } #endif |