void FBXMesh::Builder::unloadCacheRecursive(FbxNode * pNode)
{
// Unload the material cache
const int lMaterialCount = pNode->GetMaterialCount();
for (int lMaterialIndex = 0; lMaterialIndex < lMaterialCount; ++lMaterialIndex)
{
FbxSurfaceMaterial * lMaterial = pNode->GetMaterial(lMaterialIndex);
if (lMaterial && lMaterial->GetUserDataPtr())
{
FBXMaterialCache* lMaterialCache = static_cast<FBXMaterialCache*>(lMaterial->GetUserDataPtr());
lMaterial->SetUserDataPtr(NULL);
delete lMaterialCache;
}
}
FbxNodeAttribute* lNodeAttribute = pNode->GetNodeAttribute();
if (lNodeAttribute)
{
// Unload the mesh cache
if (lNodeAttribute->GetAttributeType() == FbxNodeAttribute::eMesh)
{
FbxMesh * lMesh = pNode->GetMesh();
if (lMesh && lMesh->GetUserDataPtr())
{
#ifndef USE_META_DATA
VBOMesh * lMeshCache = static_cast<VBOMesh *>(lMesh->GetUserDataPtr());
lMesh->SetUserDataPtr(NULL);
delete lMeshCache;
#else
FbxMetaData * fbxMetaData = static_cast<FbxMetaData*>(lMesh->GetUserDataPtr());
lMesh->SetUserDataPtr(NULL);
delete fbxMetaData;
#endif
}
}
// Unload the light cache
else if (lNodeAttribute->GetAttributeType() == FbxNodeAttribute::eLight)
{
FbxLight * lLight = pNode->GetLight();
if (lLight && lLight->GetUserDataPtr())
{
FBXLightCache* lLightCache = static_cast<FBXLightCache*>(lLight->GetUserDataPtr());
lLight->SetUserDataPtr(NULL);
delete lLightCache;
}
}
}
const int lChildCount = pNode->GetChildCount();
for (int lChildIndex = 0; lChildIndex < lChildCount; ++lChildIndex)
{
unloadCacheRecursive(pNode->GetChild(lChildIndex));
}
}
// Bake node attributes and materials under this node recursively.
// Currently only mesh, light and material.
void LoadCacheRecursive(SceneContext* pSceneCtx, FbxNode * pNode, FbxAnimLayer * pAnimLayer, bool pSupportVBO)
{
// Bake material and hook as user data.
const int lMaterialCount = pNode->GetMaterialCount();
for (int lMaterialIndex = 0; lMaterialIndex < lMaterialCount; ++lMaterialIndex)
{
FbxSurfaceMaterial * lMaterial = pNode->GetMaterial(lMaterialIndex);
if (lMaterial && !lMaterial->GetUserDataPtr())
{
FbxAutoPtr<MaterialCache> lMaterialCache(new MaterialCache);
if (lMaterialCache->Initialize(lMaterial))
{
lMaterial->SetUserDataPtr(lMaterialCache.Release());
}
}
}
FbxNodeAttribute* lNodeAttribute = pNode->GetNodeAttribute();
if (lNodeAttribute)
{
// Bake mesh as VBO(vertex buffer object) into GPU.
if (lNodeAttribute->GetAttributeType() == FbxNodeAttribute::eMesh)
{
FbxMesh * lMesh = pNode->GetMesh();
if (pSupportVBO && lMesh && !lMesh->GetUserDataPtr())
{
FbxAutoPtr<VBOMesh> lMeshCache(new VBOMesh);
if (lMeshCache->Initialize(pSceneCtx, lMesh))
{
lMesh->SetUserDataPtr(lMeshCache.Release());
}
}
}
// Bake light properties.
else if (lNodeAttribute->GetAttributeType() == FbxNodeAttribute::eLight)
{
FbxLight * lLight = pNode->GetLight();
if (lLight && !lLight->GetUserDataPtr())
{
FbxAutoPtr<LightCache> lLightCache(new LightCache);
if (lLightCache->Initialize(lLight, pAnimLayer))
{
lLight->SetUserDataPtr(lLightCache.Release());
}
}
}
}
const int lChildCount = pNode->GetChildCount();
for (int lChildIndex = 0; lChildIndex < lChildCount; ++lChildIndex)
{
LoadCacheRecursive(pSceneCtx, pNode->GetChild(lChildIndex), pAnimLayer, pSupportVBO);
}
}
void LoadMeshes(FbxNode* pFbxNode, packed_freelist<Mesh>& sceneMeshes)
{
// Material
const uint32_t materialCount = pFbxNode->GetMaterialCount();
for (uint32_t i = 0; i < materialCount; ++i) {
FbxSurfaceMaterial* pFbxMaterial = pFbxNode->GetMaterial(i);
if (pFbxMaterial && !pFbxMaterial->GetUserDataPtr()) {
FbxAutoPtr<Material> pMaterial(new Material);
if (pMaterial->init(pFbxMaterial)) {
pFbxMaterial->SetUserDataPtr(pMaterial.Release());
}
}
}
FbxNodeAttribute* nodeAttribute = pFbxNode->GetNodeAttribute();
if (nodeAttribute) {
// Mesh
if (nodeAttribute->GetAttributeType() == FbxNodeAttribute::eMesh) {
FbxMesh* pFbxMesh = pFbxNode->GetMesh();
if (pFbxMesh && !pFbxMesh->GetUserDataPtr()) {
Mesh mesh;
if (mesh.init(pFbxMesh)) {
sceneMeshes.insert(mesh);
}
// TODO:
FbxAutoPtr<Mesh> pMesh(new Mesh);
if (pMesh->init(pFbxMesh)) {
pFbxMesh->SetUserDataPtr(pMesh.Release());
}
}
}
// Light
else if (nodeAttribute->GetAttributeType() == FbxNodeAttribute::eLight) {
FbxLight* pFbxLight = pFbxNode->GetLight();
if (pFbxLight && !pFbxLight->GetUserDataPtr()) {
FbxAutoPtr<Light> pLight(new Light);
if (pLight->init(pFbxLight)) {
pFbxLight->SetUserDataPtr(pLight.Release());
}
}
}
}
const int childCount = pFbxNode->GetChildCount();
for (int i = 0; i < childCount; ++i) {
LoadMeshes(pFbxNode->GetChild(i), sceneMeshes);
}
}
// Unload the cache and release the memory under this node recursively.
void UnloadCacheRecursive(FbxNode * pNode)
{
// Unload the material cache
const int lMaterialCount = pNode->GetMaterialCount();
for (int lMaterialIndex = 0; lMaterialIndex < lMaterialCount; ++lMaterialIndex)
{
FbxSurfaceMaterial * lMaterial = pNode->GetMaterial(lMaterialIndex);
if (lMaterial && lMaterial->GetUserDataPtr())
{
MaterialCache * lMaterialCache = static_cast<MaterialCache *>(lMaterial->GetUserDataPtr());
lMaterial->SetUserDataPtr(NULL);
delete lMaterialCache;
}
}
FbxNodeAttribute* lNodeAttribute = pNode->GetNodeAttribute();
if (lNodeAttribute)
{
// Unload the mesh cache
if (lNodeAttribute->GetAttributeType() == FbxNodeAttribute::eMesh)
{
FbxMesh * lMesh = pNode->GetMesh();
if (lMesh && lMesh->GetUserDataPtr())
{
VBOMesh * lMeshCache = static_cast<VBOMesh *>(lMesh->GetUserDataPtr());
lMesh->SetUserDataPtr(NULL);
delete lMeshCache;
}
}
// Unload the light cache
else if (lNodeAttribute->GetAttributeType() == FbxNodeAttribute::eLight)
{
FbxLight * lLight = pNode->GetLight();
if (lLight && lLight->GetUserDataPtr())
{
LightCache * lLightCache = static_cast<LightCache *>(lLight->GetUserDataPtr());
lLight->SetUserDataPtr(NULL);
delete lLightCache;
}
}
}
const int lChildCount = pNode->GetChildCount();
for (int lChildIndex = 0; lChildIndex < lChildCount; ++lChildIndex)
{
UnloadCacheRecursive(pNode->GetChild(lChildIndex));
}
}