void ForwardRenderQueue::AddMesh(int renderOrder, const Material* material, const MeshData& meshData, const Boxf& meshAABB, const Matrix4f& transformMatrix)
{
if (material->IsEnabled(RendererParameter_Blend))
{
Layer& currentLayer = GetLayer(renderOrder);
auto& transparentModels = currentLayer.transparentModels;
auto& transparentModelData = currentLayer.transparentModelData;
// Le matériau est transparent, nous devons rendre ce mesh d'une autre façon (après le rendu des objets opaques et en les triant)
unsigned int index = transparentModelData.size();
transparentModelData.resize(index+1);
TransparentModelData& data = transparentModelData.back();
data.material = material;
data.meshData = meshData;
data.squaredBoundingSphere = Spheref(transformMatrix.GetTranslation() + meshAABB.GetCenter(), meshAABB.GetSquaredRadius());
data.transformMatrix = transformMatrix;
transparentModels.push_back(index);
}
else
{
Layer& currentLayer = GetLayer(renderOrder);
auto& opaqueModels = currentLayer.opaqueModels;
auto it = opaqueModels.find(material);
if (it == opaqueModels.end())
{
BatchedModelEntry entry;
entry.materialReleaseSlot.Connect(material->OnMaterialRelease, this, &ForwardRenderQueue::OnMaterialInvalidation);
it = opaqueModels.insert(std::make_pair(material, std::move(entry))).first;
}
BatchedModelEntry& entry = it->second;
entry.enabled = true;
auto& meshMap = entry.meshMap;
auto it2 = meshMap.find(meshData);
if (it2 == meshMap.end())
{
MeshInstanceEntry instanceEntry;
instanceEntry.squaredBoundingSphere = meshAABB.GetSquaredBoundingSphere();
if (meshData.indexBuffer)
instanceEntry.indexBufferReleaseSlot.Connect(meshData.indexBuffer->OnIndexBufferRelease, this, &ForwardRenderQueue::OnIndexBufferInvalidation);
instanceEntry.vertexBufferReleaseSlot.Connect(meshData.vertexBuffer->OnVertexBufferRelease, this, &ForwardRenderQueue::OnVertexBufferInvalidation);
it2 = meshMap.insert(std::make_pair(meshData, std::move(instanceEntry))).first;
}
std::vector<Matrix4f>& instances = it2->second.instances;
instances.push_back(transformMatrix);
// Avons-nous suffisamment d'instances pour que le coût d'utilisation de l'instancing soit payé ?
if (instances.size() >= NAZARA_GRAPHICS_INSTANCING_MIN_INSTANCES_COUNT)
entry.instancingEnabled = true; // Apparemment oui, activons l'instancing avec ce matériau
}
}
