diff options
Diffstat (limited to 'engines/neverhood/graphics.cpp')
| -rw-r--r-- | engines/neverhood/graphics.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/engines/neverhood/graphics.cpp b/engines/neverhood/graphics.cpp index 68134bda97..b9e2c482a1 100644 --- a/engines/neverhood/graphics.cpp +++ b/engines/neverhood/graphics.cpp @@ -197,6 +197,51 @@ void unpackSpriteRle(byte *source, int width, int height, byte *dest, int destPi } +void unpackSpriteRleRepl(byte *source, int width, int height, byte *dest, int destPitch, byte oldColor, byte newColor, bool flipX, bool flipY) { + + // TODO: Flip Y + + debug("unpackSpriteRleRepl(%d, %d)", oldColor, newColor); + + int16 rows, chunks; + int16 skip, copy; + + rows = READ_LE_UINT16(source); + chunks = READ_LE_UINT16(source + 2); + source += 4; + + do { + if (chunks == 0) { + dest += rows * destPitch; + } else { + while (rows-- > 0) { + uint16 rowChunks = chunks; + while (rowChunks-- > 0) { + skip = READ_LE_UINT16(source); + copy = READ_LE_UINT16(source + 2); + source += 4; + if (!flipX) { + for (int xc = 0; xc < copy; xc++) { + dest[skip + xc] = source[xc] == oldColor ? newColor : source[xc]; + } + } else { + byte *flipDest = dest + width - skip - 1; + for (int xc = 0; xc < copy; xc++) { + *flipDest-- = source[xc] == oldColor ? newColor : source[xc]; + } + } + source += copy; + } + dest += destPitch; + } + } + rows = READ_LE_UINT16(source); + chunks = READ_LE_UINT16(source + 2); + source += 4; + } while (rows > 0); + +} + void unpackSpriteNormal(byte *source, int width, int height, byte *dest, int destPitch, bool flipX, bool flipY) { // TODO: Flip Y |