/**
* Initialize graphics device.
*
* @see deinit_video()
*/
int GfxMgr::initVideo() {
if (_vm->getFeatures() & (GF_AGI256 | GF_AGI256_2))
initPalette(vgaPalette, 256, 8);
else if (_vm->_renderMode == Common::kRenderEGA)
initPalette(egaPalette);
else if (_vm->_renderMode == Common::kRenderAmiga) {
if (!ConfMan.getBool("altamigapalette")) {
// Set the correct Amiga palette
if (_vm->getVersion() < 0x2936)
// TODO: This palette isn't used for Apple IIGS games yet, as
// we don't set a separate render mode for them yet
initPalette(amigaAgiPaletteV1, 16, 4);
else if (_vm->getVersion() == 0x2936)
initPalette(amigaAgiPaletteV2, 16, 4);
else if (_vm->getVersion() > 0x2936)
initPalette(amigaAgiPaletteV3, 16, 4);
} else
// Set the old common alternative Amiga palette
initPalette(altAmigaPalette);
} else
error("initVideo: Unhandled render mode");
if ((_agiScreen = (uint8 *)calloc(GFX_WIDTH, GFX_HEIGHT)) == NULL)
return errNotEnoughMemory;
gfxSetPalette();
setCursor(_vm->_renderMode == Common::kRenderAmiga);
return errOK;
}
//Gets AGIPAL Data
void GfxMgr::setAGIPal(int p0) {
//If 0 from savefile, do not use
if (p0 == 0)
return;
char filename[15];
sprintf(filename, "pal.%d", p0);
Common::File agipal;
if (!agipal.open(filename)) {
warning("Couldn't open AGIPAL palette file '%s'. Not changing palette", filename);
return; // Needed at least by Naturette 3 which uses AGIPAL but provides no palette files
}
//Chunk0 holds colors 0-7
agipal.read(&_agipalPalette[0], 24);
//Chunk1 is the same as the chunk0
//Chunk2 chunk holds colors 8-15
agipal.seek(24, SEEK_CUR);
agipal.read(&_agipalPalette[24], 24);
//Chunk3 is the same as the chunk2
//Chunks4-7 are duplicates of chunks0-3
if (agipal.eos() || agipal.err()) {
warning("Couldn't read AGIPAL palette from '%s'. Not changing palette", filename);
return;
}
// Use only the lowest 6 bits of each color component (Red, Green and Blue)
// because VGA used only 6 bits per color component (i.e. VGA had 18-bit colors).
// This should now be identical to the original AGIPAL-hack's behavior.
bool validVgaPalette = true;
for (int i = 0; i < 16 * 3; i++) {
if (_agipalPalette[i] >= (1 << 6)) {
_agipalPalette[i] &= 0x3F; // Leave only the lowest 6 bits of each color component
validVgaPalette = false;
}
}
if (!validVgaPalette)
warning("Invalid AGIPAL palette (Over 6 bits per color component) in '%s'. Using only the lowest 6 bits per color component", filename);
_agipalFileNum = p0;
initPalette(_agipalPalette);
gfxSetPalette();
debug(1, "Using AGIPAL palette from '%s'", filename);
}
/**
* Initialize graphics device.
*
* @see deinit_video()
*/
int GfxMgr::initVideo() {
if (_vm->getFeatures() & (GF_AGI256 | GF_AGI256_2))
initPalette(vgaPalette, 256, 8);
else if (_vm->_renderMode == Common::kRenderEGA)
initPalette(egaPalette);
else
initPalette(newPalette);
if ((_agiScreen = (uint8 *)calloc(GFX_WIDTH, GFX_HEIGHT)) == NULL)
return errNotEnoughMemory;
gfxSetPalette();
setCursor(_vm->_renderMode == Common::kRenderAmiga);
return errOK;
}
