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- fixed fog translation table generation.

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This commit is contained in:
Christoph Oelckers 2020-06-07 12:51:26 +02:00
parent 724c8d4251
commit 3fe4dbed01
1 changed files with 6 additions and 5 deletions
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11
source/build/src/palette.cpp
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@ -339,7 +339,7 @@ void LookupTableInfo::makeTable(int palnum, const uint8_t *remapbuf, int r, int
int length = numshades * 256;
auto p = tables[palnum].Shades.LockNewBuffer(length);
if (r == 0 || g == 0 || b == 0)
if (r == 0 && g == 0 && b == 0)
{
// "black fog"/visibility case -- only remap color indices
@ -357,13 +357,14 @@ void LookupTableInfo::makeTable(int palnum, const uint8_t *remapbuf, int r, int
for (int i = 0; i < numshades; i++)
{
int colfac = (numshades - i);
for (int j = 0; j < 256; j++)
{
PalEntry pe = GPalette.BaseColors[remapbuf[j]];
p[j] = ColorMatcher.Pick(
pe.r + Scale(r - pe.r, i, numshades - 1),
pe.g + Scale(g - pe.g, i, numshades - 1),
pe.b + Scale(b - pe.b, i, numshades - 1));
p[256 * i + j] = ColorMatcher.Pick(
(pe.r * colfac + r * i) / numshades,
(pe.g * colfac + g * i) / numshades,
(pe.b * colfac + b * i) / numshades);
}
}
}