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FBX2glTF
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Fix previous fix.

This commit is contained in:
Par Winzell 2019-03-29 10:29:59 -07:00
parent d2f7d0e270
commit 46f6234af5
1 changed files with 11 additions and 7 deletions
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18
src/gltf/Raw2Gltf.cpp
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@ -266,13 +266,17 @@ ModelData* Raw2Gltf(
bool hasMetallicMap = material.textures[RAW_TEXTURE_USAGE_METALLIC] >= 0;
bool hasRoughnessMap = material.textures[RAW_TEXTURE_USAGE_ROUGHNESS] >= 0;
bool hasOcclusionMap = material.textures[RAW_TEXTURE_USAGE_OCCLUSION] >= 0;
aoMetRoughTex = hasMetallicMap
? simpleTex(RAW_TEXTURE_USAGE_METALLIC)
: (hasRoughnessMap
? simpleTex(RAW_TEXTURE_USAGE_ROUGHNESS)
: (hasOcclusionMap ? simpleTex(RAW_TEXTURE_USAGE_OCCLUSION) : nullptr));
if (aoMetRoughTex == nullptr) {
// merge occlusion into the red channel, metallic into blue channel, and
bool atLeastTwoMaps = hasMetallicMap ? (hasRoughnessMap || hasOcclusionMap)
: (hasRoughnessMap && hasMetallicMap);
if (!atLeastTwoMaps) {
// this handles the case of 0 or 1 maps supplied
aoMetRoughTex = hasMetallicMap
? simpleTex(RAW_TEXTURE_USAGE_METALLIC)
: (hasRoughnessMap
? simpleTex(RAW_TEXTURE_USAGE_ROUGHNESS)
: (hasOcclusionMap ? simpleTex(RAW_TEXTURE_USAGE_OCCLUSION) : nullptr));
} else {
// otherwise merge occlusion into the red channel, metallic into blue channel, and
// roughness into the green, of a new combinatory texture
aoMetRoughTex = textureBuilder.combine(
{