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Enabled alpha_mode blendoneside and alpha_mode blendtwoside blending options

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--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%4079
This commit is contained in:
kearwood
2012-08-24 00:06:38 +00:00
parent bbfb04347c
commit 7395a63f99
11 changed files with 57 additions and 24 deletions
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39
KREngine/KREngine/Classes/KRModel.cpp
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@@ -52,18 +52,11 @@ KRModel::KRModel(KRContext &context, std::string name, std::string path) : KRCon
}
void KRModel::loadPack(std::string path) {
m_hasTransparency = false;
m_materials.clear();
m_uniqueMaterials.clear();
m_pMesh = new KRMesh(*m_pContext, KRResource::GetFileBase(path));
m_pMesh->loadPack(path);
m_hasTransparency = false;
for(std::set<KRMaterial *>::iterator mat_itr = m_uniqueMaterials.begin(); mat_itr != m_uniqueMaterials.end(); mat_itr++) {
if((*mat_itr)->isTransparent()) {
m_hasTransparency = true;
break;
}
}
}
std::string KRModel::getName() {
@@ -87,6 +80,14 @@ void KRModel::render(KRCamera *pCamera, KRContext *pContext, KRMat4 &matModelToV
m_materials.push_back(pMaterial);
m_uniqueMaterials.insert(pMaterial);
}
m_hasTransparency = false;
for(std::set<KRMaterial *>::iterator mat_itr = m_uniqueMaterials.begin(); mat_itr != m_uniqueMaterials.end(); mat_itr++) {
if((*mat_itr)->isTransparent()) {
m_hasTransparency = true;
break;
}
}
}
KRMaterial *pPrevBoundMaterial = NULL;
@@ -116,7 +117,27 @@ void KRModel::render(KRCamera *pCamera, KRContext *pContext, KRMat4 &matModelToV
if(pMaterial != NULL && pMaterial == (*mat_itr)) {
if((!pMaterial->isTransparent() && renderPass != KRNode::RENDER_PASS_FORWARD_TRANSPARENT) || (pMaterial->isTransparent() && renderPass == KRNode::RENDER_PASS_FORWARD_TRANSPARENT)) {
pMaterial->bind(&pPrevBoundMaterial, szPrevShaderKey, pCamera, matModelToView, mvpMatrix, cameraPosition, lightDirection, pShadowMatrices, shadowDepthTextures, cShadowBuffers, pContext, pLightMap, renderPass);
m_pMesh->renderSubmesh(iSubmesh, &iPrevBuffer);
switch(pMaterial->getAlphaMode()) {
case KRMaterial::KRMATERIAL_ALPHA_MODE_OPAQUE: // Non-transparent materials
case KRMaterial::KRMATERIAL_ALPHA_MODE_TEST: // Alpha in diffuse texture is interpreted as punch-through when < 0.5
m_pMesh->renderSubmesh(iSubmesh, &iPrevBuffer);
break;
case KRMaterial::KRMATERIAL_ALPHA_MODE_BLENDONESIDE: // Blended alpha with backface culling
m_pMesh->renderSubmesh(iSubmesh, &iPrevBuffer);
break;
case KRMaterial::KRMATERIAL_ALPHA_MODE_BLENDTWOSIDE: // Blended alpha rendered in two passes. First pass renders backfaces; second pass renders frontfaces.
// Render back faces first
glCullFace(GL_BACK);
m_pMesh->renderSubmesh(iSubmesh, &iPrevBuffer);
// Render front faces second
glCullFace(GL_BACK);
m_pMesh->renderSubmesh(iSubmesh, &iPrevBuffer);
break;
}
}
}
}