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illum model wip

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This commit is contained in:
David Back 2018-01-03 13:58:27 -08:00
parent c1757d6b45
commit dfb9d9ce6b
2 changed files with 47 additions and 7 deletions
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53
libraries/fbx/src/OBJReader.cpp
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@ -256,12 +256,12 @@ void OBJReader::parseMaterialLibrary(QIODevice* device) {
default:
materials[matName] = currentMaterial;
#ifdef WANT_DEBUG
qCDebug(modelformat) << "OBJ Reader Last material shininess:" << currentMaterial.shininess << " opacity:" <<
currentMaterial.opacity << " diffuse color:" << currentMaterial.diffuseColor <<
" specular color:" << currentMaterial.specularColor << " emissive color:" <<
currentMaterial.emissiveColor << " diffuse texture:" <<
currentMaterial.diffuseTextureFilename << " specular texture:" <<
currentMaterial.specularTextureFilename << " emissive texture:" <<
qCDebug(modelformat) << "OBJ Reader Last material illumination model:" << currentMaterial.illuminationModel <<
" shininess:" << currentMaterial.shininess << " opacity:" << currentMaterial.opacity <<
" diffuse color:" << currentMaterial.diffuseColor << " specular color:" <<
currentMaterial.specularColor << " emissive color:" << currentMaterial.emissiveColor <<
" diffuse texture:" << currentMaterial.diffuseTextureFilename << " specular texture:" <<
currentMaterial.specularTextureFilename << " emissive texture:" <<
currentMaterial.emissiveTextureFilename << " bump texture:" <<
currentMaterial.bumpTextureFilename;
#endif
@ -302,6 +302,8 @@ void OBJReader::parseMaterialLibrary(QIODevice* device) {
currentMaterial.emissiveColor = tokenizer.getVec3();
} else if (token == "Ks") {
currentMaterial.specularColor = tokenizer.getVec3();
} else if (token == "illum") {
currentMaterial.illuminationModel = tokenizer.getFloat();
} else if ((token == "map_Kd") || (token == "map_Ke") || (token == "map_Ks") || (token == "map_bump") || (token == "bump")) {
const QByteArray textureLine = tokenizer.getLineAsDatum();
QByteArray filename;
@ -824,8 +826,45 @@ FBXGeometry* OBJReader::readOBJ(QByteArray& model, const QVariantHash& mapping,
modelMaterial->setMetallic(glm::length(fbxMaterial.specularColor));
modelMaterial->setRoughness(model::Material::shininessToRoughness(fbxMaterial.shininess));
// Illumination model reference http://paulbourke.net/dataformats/mtl/
switch (objMaterial.illuminationModel) {
case 0: // Color on and Ambient off
fbxMaterial.ambientFactor = 0.0f;
break;
case 1: // Color on and Ambient on
fbxMaterial.ambientFactor = 1.0f;
break;
case 2: // Highlight on
fbxMaterial.specularFactor = 1.0f;
break;
case 3: // Reflection on and Ray trace on
break;
case 4: // Transparency: Glass on and Reflection: Ray trace on
fbxMaterial.opacity = 0.0f;
break;
case 5: // Reflection: Fresnel on and Ray trace on
modelMaterial->setFresnel(glm::vec3(1.0f));
break;
case 6: // Transparency: Refraction on and Reflection: Fresnel off and Ray trace on
fbxMaterial.opacity = 0.0f;
modelMaterial->setFresnel(glm::vec3(0.0f));
break;
case 7: // Transparency: Refraction on and Reflection: Fresnel on and Ray trace on
fbxMaterial.opacity = 0.0f;
modelMaterial->setFresnel(glm::vec3(1.0f));
break;
case 8: // Reflection on and Ray trace off
break;
case 9: // Transparency: Glass on and Reflection: Ray trace off
fbxMaterial.opacity = 0.0f;
break;
case 10: // Casts shadows onto invisible surfaces
// Do nothing?
break;
}
if (fbxMaterial.opacity <= 0.0f) {
modelMaterial->setOpacity(1.0f);
modelMaterial->setOpacity(0.0f); // previous was 1.0f?
} else {
modelMaterial->setOpacity(fbxMaterial.opacity);
}

1
libraries/fbx/src/OBJReader.h
View file

@ -62,6 +62,7 @@ public:
QByteArray emissiveTextureFilename;
QByteArray bumpTextureFilename;
float bumpMultiplier;
int illuminationModel;
bool used { false };
bool userSpecifiesUV { false };
OBJMaterial() : shininess(0.0f), opacity(1.0f), diffuseColor(0.9f), specularColor(0.9f), emissiveColor(0.0f), bumpMultiplier(1.0f) {}