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Fix 2.1 palette conversion system issues with GL pal render

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This commit is contained in:
NepDisk 2025-12-06 11:32:25 -05:00
parent 265ac4de34
commit 7bf9975547
1 changed files with 21 additions and 1 deletions
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22
src/hardware/hw_cache.c
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@ -1709,7 +1709,7 @@ void HWR_SetMapPalette(void)
{
RGBA_t RGBA_converted[256];
RGBA_t *palette;
int i;
size_t i;
if (!(gamestate == GS_LEVEL || (gamestate == GS_TITLESCREEN && titlemapinaction)))
{
@ -1734,6 +1734,26 @@ void HWR_SetMapPalette(void)
RGBA_converted[i].s.blue = *(RGB_data++);
RGBA_converted[i].s.alpha = 255;
}
// remap the palette from 2.1 to 2.2 indices in compatmode
RGBA_t *palcopy = NULL;
size_t realpalsize = 256;
if (wadfiles[WADFILENUM(lumpnum)]->compatmode)
{
palcopy = malloc(sizeof(*palcopy)*realpalsize);
memcpy(palcopy, RGBA_converted, sizeof(*palcopy)*realpalsize);
}
for (i = 0; i < realpalsize; i++)
{
if (palcopy)
RGBA_converted[i].rgba = palcopy[R_InvPaletteRemap(i)].rgba;
}
if (palcopy)
free(palcopy);
palette = RGBA_converted;
}