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SCI: support for amiga pictures that change the palette

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svn-id: r47552
This commit is contained in:
Martin Kiewitz 2010-01-25 11:15:40 +00:00
parent 8d12d84609
commit 9f1962d006
3 changed files with 17 additions and 0 deletions
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15
engines/sci/graphics/palette.cpp
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@ -171,6 +171,21 @@ int16 SciPalette::mapAmigaColor(int16 color) {
return _amigaEGAtable[color];
}
// Called from picture class, some amiga sci1 games set half of the palette
void SciPalette::modifyAmigaPalette(byte *data) {
int16 curColor, curPos = 0;
byte byte1, byte2;
for (curColor = 0; curColor < 16; curColor++) {
byte1 = data[curPos++];
byte2 = data[curPos++];
_sysPalette.colors[curColor].r = (byte1 & 0x0F) * 0x11;
_sysPalette.colors[curColor].g = ((byte2 & 0xF0) >> 4) * 0x11;
_sysPalette.colors[curColor].b = (byte2 & 0x0F) * 0x11;
}
_screen->setPalette(&_sysPalette);
// TODO: when games do this it seems the EGAmapping isnt used anymore, at least the colors are wrong in any case
}
void SciPalette::setEGA() {
int curColor;
byte color1, color2;

1
engines/sci/graphics/palette.h
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@ -39,6 +39,7 @@ public:
void createFromData(byte *data, Palette *paletteOut);
bool setAmiga();
int16 mapAmigaColor(int16 color);
void modifyAmigaPalette(byte *data);
void setEGA();
bool setFromResource(GuiResourceId resourceId, uint16 flag);
void set(Palette *sciPal, uint16 flag);

1
engines/sci/graphics/picture.cpp
View File

@ -561,6 +561,7 @@ void SciGuiPicture::drawVectorData(byte *data, int dataSize) {
curPos += 256 + 4 + 768;
} else {
// Some sort of 32 byte amiga palette, TODO: Find out whats in there
_palette->modifyAmigaPalette(&data[curPos]);
curPos += 32;
}
} else {