// Unload the cache and release the memory fro this scene and release the textures in GPU
void UnloadCacheRecursive(FbxScene * pScene)
{
const int lTextureCount = pScene->GetTextureCount();
for (int lTextureIndex = 0; lTextureIndex < lTextureCount; ++lTextureIndex)
{
FbxTexture * lTexture = pScene->GetTexture(lTextureIndex);
FbxFileTexture * lFileTexture = FbxCast<FbxFileTexture>(lTexture);
if (lFileTexture && lFileTexture->GetUserDataPtr())
{
int * lTextureName = static_cast<int *>(lFileTexture->GetUserDataPtr());
lFileTexture->SetUserDataPtr(NULL);
//glDeleteTextures(1, lTextureName);
delete lTextureName;
}
}
UnloadCacheRecursive(pScene->GetRootNode());
}
// Bake node attributes and materials for this scene and load the textures.
void LoadCacheRecursive(SceneContext* pSceneCtx, FbxScene * pScene, FbxAnimLayer * pAnimLayer, GXLPCWSTR pFbxFileName, bool pSupportVBO)
{
// Load the textures into GPU, only for file texture now
const int lTextureCount = pScene->GetTextureCount();
for (int lTextureIndex = 0; lTextureIndex < lTextureCount; ++lTextureIndex)
{
FbxTexture * lTexture = pScene->GetTexture(lTextureIndex);
FbxFileTexture * lFileTexture = FbxCast<FbxFileTexture>(lTexture);
if (lFileTexture && !lFileTexture->GetUserDataPtr())
{
// Try to load the texture from absolute path
const FbxString lFileName = lFileTexture->GetFileName();
// Only TGA textures are supported now.
//if (lFileName.Right(3).Upper() != "TGA")
//{
// FBXSDK_printf("Only TGA textures are supported now: %s\n", lFileName.Buffer());
// continue;
//}
//unsigned int lTextureObject = 0;
//bool lStatus = LoadTextureFromFile(lFileName, lTextureObject);
//const FbxString lAbsFbxFileName = FbxPathUtils::Resolve(pFbxFileName);
//const FbxString lAbsFolderName = FbxPathUtils::GetFolderName(lAbsFbxFileName);
//if (!lStatus)
//{
// // Load texture from relative file name (relative to FBX file)
// const FbxString lResolvedFileName = FbxPathUtils::Bind(lAbsFolderName, lFileTexture->GetRelativeFileName());
// lStatus = LoadTextureFromFile(lResolvedFileName, lTextureObject);
//}
//if (!lStatus)
//{
// // Load texture from file name only (relative to FBX file)
// const FbxString lTextureFileName = FbxPathUtils::GetFileName(lFileName);
// const FbxString lResolvedFileName = FbxPathUtils::Bind(lAbsFolderName, lTextureFileName);
// lStatus = LoadTextureFromFile(lResolvedFileName, lTextureObject);
//}
//if (!lStatus)
//{
// FBXSDK_printf("Failed to load texture file: %s\n", lFileName.Buffer());
// continue;
//}
//if (lStatus)
//{
// int * lTextureName = new int(lTextureObject);
// lFileTexture->SetUserDataPtr(lTextureName);
//}
}
}
LoadCacheRecursive(pSceneCtx, pScene->GetRootNode(), pAnimLayer, pSupportVBO);
}
void LoadMeshes(Scene* pScene, std::vector<uint32_t>* loadedMeshIDs)
{
FbxManager* fbxManager = FbxManager::Create();
FbxIOSettings* pFbxIOSettings = FbxIOSettings::Create(fbxManager, IOSROOT);
fbxManager->SetIOSettings(pFbxIOSettings);
(*(fbxManager->GetIOSettings())).SetBoolProp(IMP_FBX_MATERIAL, true);
(*(fbxManager->GetIOSettings())).SetBoolProp(IMP_FBX_TEXTURE, true);
(*(fbxManager->GetIOSettings())).SetBoolProp(IMP_FBX_LINK, false);
(*(fbxManager->GetIOSettings())).SetBoolProp(IMP_FBX_SHAPE, false);
(*(fbxManager->GetIOSettings())).SetBoolProp(IMP_FBX_GOBO, false);
(*(fbxManager->GetIOSettings())).SetBoolProp(IMP_FBX_ANIMATION, true);
(*(fbxManager->GetIOSettings())).SetBoolProp(IMP_FBX_GLOBAL_SETTINGS, true);
bool bEmbedMedia = true;
(*(fbxManager->GetIOSettings())).SetBoolProp(EXP_FBX_MATERIAL, true);
(*(fbxManager->GetIOSettings())).SetBoolProp(EXP_FBX_TEXTURE, true);
(*(fbxManager->GetIOSettings())).SetBoolProp(EXP_FBX_EMBEDDED, bEmbedMedia);
(*(fbxManager->GetIOSettings())).SetBoolProp(EXP_FBX_SHAPE, true);
(*(fbxManager->GetIOSettings())).SetBoolProp(EXP_FBX_GOBO, true);
(*(fbxManager->GetIOSettings())).SetBoolProp(EXP_FBX_ANIMATION, true);
(*(fbxManager->GetIOSettings())).SetBoolProp(EXP_FBX_GLOBAL_SETTINGS, true);
FbxImporter* pFbxImporter = FbxImporter::Create(fbxManager, "");
// Initialize the importer.
bool result = pFbxImporter->Initialize(pScene->loadPath.c_str(), -1, fbxManager->GetIOSettings());
if (!result) {
printf("Get error when init FBX Importer: %s\n\n",
pFbxImporter->GetStatus().GetErrorString());
exit(-1);
}
// fbx version number
int major, minor, revision;
pFbxImporter->GetFileVersion(major, minor, revision);
// import pFbxScene
FbxScene* pFbxScene = FbxScene::Create(fbxManager, "myScene");
pFbxImporter->Import(pFbxScene);
pFbxImporter->Destroy();
pFbxImporter = nullptr;
// check axis system
FbxAxisSystem axisSystem = pFbxScene->GetGlobalSettings().GetAxisSystem();
FbxAxisSystem vulkanAxisSystem(FbxAxisSystem::eYAxis,
FbxAxisSystem::eParityOdd,
FbxAxisSystem::eRightHanded);
if (axisSystem != vulkanAxisSystem) {
axisSystem.ConvertScene(pFbxScene);
}
// check unit system
FbxSystemUnit systemUnit = pFbxScene->GetGlobalSettings().GetSystemUnit();
if (systemUnit.GetScaleFactor() != 1.0) {
FbxSystemUnit::cm.ConvertScene(pFbxScene);
}
// Triangulate Mesh
FbxGeometryConverter fbxGeometryConverter(fbxManager);
fbxGeometryConverter.Triangulate(pFbxScene, true);
// Load Texture
int textureCount = pFbxScene->GetTextureCount();
for (int i = 0; i < textureCount; ++i) {
FbxTexture* pFbxTexture = pFbxScene->GetTexture(i);
FbxFileTexture* pFbxFileTexture = FbxCast<FbxFileTexture>(pFbxTexture);
if (pFbxTexture && pFbxFileTexture->GetUserDataPtr()) {
}
}
LoadMeshes(pFbxScene->GetRootNode(), pScene->meshes);
}
FbxModelData* FBXLoader::loadModel( const char* aFile )
{
FBX_LOG("FBXLoader Creating ModelData...");
myLoadingModel = new FbxModelData;
FBX_LOG("Success!");
FBX_LOG("FBXLoader Creating TextureData...");
myLoadingModel->myTextureData = new TextureData();
FBX_LOG("Success!");
FBX_LOG("FBXLoader Loading Scene...");
auto scene = LoadScene(aFile);
FBX_LOG("Successfully loaded scene!");
FBX_LOG("FBXLoader Loading Textures...");
//TextureData
const int lTextureCount = scene->GetTextureCount();
for (int lTextureIndex = 0; lTextureIndex < lTextureCount; ++lTextureIndex)
{
FbxTexture * lTexture = scene->GetTexture(lTextureIndex);
FbxFileTexture * lFileTexture = reinterpret_cast<FbxFileTexture*>(lTexture);
if (lFileTexture && !lFileTexture->GetUserDataPtr())
{
const FbxString lFileName = lFileTexture->GetFileName();
unsigned int lTextureObject = 0;
lTextureObject;
bool lStatus = false;
lStatus;
const FbxString lAbsFbxFileName = FbxPathUtils::Resolve(aFile);
const FbxString lAbsFolderName = FbxPathUtils::GetFolderName(lAbsFbxFileName);
const FbxString lTextureFileName = lAbsFolderName + "\\" + lFileTexture->GetRelativeFileName();// FbxPathUtils::GetFileName(lFileName);
const FbxString lResolvedFileName = lAbsFolderName + "\\" + FbxPathUtils::GetFileName(lFileName);// lFileTexture->GetRelativeFileName();;// FbxPathUtils::Bind(lAbsFolderName, lTextureFileName);
TextureInfo info;
info.myFileName = lResolvedFileName;
//info.myFileName += "\\";
info.myFileName = lFileTexture->GetRelativeFileName();
myLoadingModel->myTextureData->myTextures.push_back(info);
lFileTexture->SetFileName(lResolvedFileName);
}
}
FBX_LOG("Success!");
FBX_LOG("FBXLoader Loading Animations...");
FbxArray<FbxString*> animationNames;
FbxArray<FbxPose*> poses;
scene->FillAnimStackNameArray(animationNames);
scene->FillPoseArray(poses);
FbxAnimStack * lCurrentAnimationStack = nullptr;
FbxAnimLayer* lCurrentAnimLayer = nullptr;
if(animationNames.GetCount() > 0)
{
lCurrentAnimationStack = scene->FindMember<FbxAnimStack>(animationNames[0]->Buffer());
if (lCurrentAnimationStack != NULL)
{
lCurrentAnimLayer = lCurrentAnimationStack->GetMember<FbxAnimLayer>();
}
}
//lCurrentAnimLayer->IsR
myLoadingModel->myAnimation = new AnimationData();
FbxPose* pose = nullptr;
if(poses.GetCount() > 0)
{
pose = poses[0];
}
LoadAnimation(*myLoadingModel->myAnimation,scene->GetRootNode(),FbxAMatrix(),pose, lCurrentAnimLayer,-1);
LoadNodeRecursive(myLoadingModel, *myLoadingModel->myAnimation, scene->GetRootNode(), FbxAMatrix(), pose, lCurrentAnimLayer, -1);
FBX_LOG("Success!");
return myLoadingModel;
}
