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WMO glass transparency for instances, disable interior shadows

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- Add case-insensitive "glass" detection for WMO window materials
- Make instance (WMO-only) glass highly transparent (12-35% alpha)
  so underwater scenes are visible through Deeprun Tram windows
- Keep normal world windows at existing opacity (40-95% alpha)
- Disable shadow mapping for interior WMO groups to fix dark
  indoor areas like Ironforge
This commit is contained in:
Kelsi 2026-03-06 23:48:35 -08:00
parent f4c115ade9
commit 2c5b7cd368
4 changed files with 23 additions and 7 deletions
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13
src/rendering/wmo_renderer.cpp
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@ -593,16 +593,23 @@ bool WMORenderer::loadModel(const pipeline::WMOModel& model, uint32_t id) {
// Detect window/glass materials by texture name.
// Flag 0x10 (F_SIDN) marks night-glow materials (windows AND lamps),
// so we additionally check for "window" in the texture path to
// so we additionally check for "window" or "glass" in the texture path to
// distinguish actual glass from lamp post geometry.
bool isWindow = false;
if (batch.materialId < modelData.materialTextureIndices.size()) {
uint32_t ti = modelData.materialTextureIndices[batch.materialId];
if (ti < modelData.textureNames.size()) {
isWindow = (modelData.textureNames[ti].find("window") != std::string::npos);
const auto& texName = modelData.textureNames[ti];
// Case-insensitive search for "window" or "glass"
std::string texNameLower = texName;
std::transform(texNameLower.begin(), texNameLower.end(), texNameLower.begin(), ::tolower);
isWindow = (texNameLower.find("window") != std::string::npos ||
texNameLower.find("glass") != std::string::npos);
}
}
BatchKey key{ reinterpret_cast<uintptr_t>(tex), alphaTest, unlit, isWindow };
auto& mb = batchMap[key];
if (mb.draws.empty()) {
@ -651,7 +658,7 @@ bool WMORenderer::loadModel(const pipeline::WMOModel& model, uint32_t id) {
matData.unlit = mb.unlit ? 1 : 0;
matData.isInterior = isInterior ? 1 : 0;
matData.specularIntensity = 0.5f;
matData.isWindow = mb.isWindow ? 1 : 0;
matData.isWindow = mb.isWindow ? (wmoOnlyMap_ ? 2 : 1) : 0;
matData.enableNormalMap = normalMappingEnabled_ ? 1 : 0;
matData.enablePOM = pomEnabled_ ? 1 : 0;
matData.pomScale = 0.012f;