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Shrink lighting improvement

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Make the amount to darken based on how light/dark the area already was. This prevents it from making dark areas pitch black.
This commit is contained in:
Sally Coolatta 2024-05-12 23:34:36 -04:00
parent df28169031
commit 2f79541507
1 changed files with 24 additions and 3 deletions
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27
src/r_debug.cpp
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@ -41,12 +41,33 @@ void R_CheckDebugHighlight(debugrender_highlight_t k)
INT32 R_AdjustLightLevel(INT32 light)
{
constexpr fixed_t kRange = (LIGHTLEVELS - 1) * FRACUNIT;
constexpr INT32 kRangeCoarse = (LIGHTLEVELS - 1);
constexpr fixed_t kRange = kRangeCoarse * FRACUNIT;
if (!debugrender_highlight && cv_debugrender_contrast.value == 0)
{
const fixed_t darken = FixedMul(FixedMul(g_darkness.value[R_GetViewNumber()], mapheaderinfo[gamemap-1]->darkness), kRange);
return std::clamp<size_t>((light * FRACUNIT) - darken, 0, kRange) / FRACUNIT;
const fixed_t darken = FixedMul(
FixedMul(
g_darkness.value[ R_GetViewNumber() ],
mapheaderinfo[gamemap-1]->darkness
),
kRange
);
fixed_t factor = FRACUNIT;
if (darken > 0)
{
// Sal: Already dark areas don't need darkened nearly as much.
factor = FixedDiv(
light * light * light * light,
kRangeCoarse * kRangeCoarse * kRangeCoarse * kRangeCoarse
);
}
return std::clamp<size_t>(
(light * FRACUNIT) - FixedMul(darken, factor),
0, kRange
) / FRACUNIT;
}
const fixed_t adjust = FixedMul(cv_debugrender_contrast.value, kRange);