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light parameters must be clamped (HarryTuttle)

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This commit is contained in:
Ian Curtis 2017-04-14 00:08:17 +00:00
parent 391aafd4c1
commit fc50bdee98
1 changed files with 3 additions and 0 deletions
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3
Src/Graphics/New3D/New3D.cpp
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@ -756,6 +756,9 @@ void CNew3D::RenderViewport(UINT32 addr)
vp->lightingParams[4] = (float)((vpnode[0x24] >> 8) & 0xFF) * (1.0f / 255.0f); // ambient intensity
vp->lightingParams[5] = 0.0; // reserved
vp->lightingParams[3] = std::max(0.f, std::min(vp->lightingParams[3], 1.0f)); // clamp sun values
vp->lightingParams[4] = std::max(0.f, std::min(vp->lightingParams[4], 1.0f)); // std::clamp would be easier but c++17 .. sigh.
// Spotlight
int spotColorIdx = (vpnode[0x20] >> 11) & 7; // spotlight color index
int spotFogColorIdx = (vpnode[0x20] >> 8) & 7; // spotlight on fog color index