bool core::ModelLoader::loadModel(const char *fp, Model *m){
Assimp::Importer importer;
const aiScene *scene = importer.ReadFile(fp, aiProcess_Triangulate | aiProcess_OptimizeMeshes | aiProcess_JoinIdenticalVertices | aiProcess_FlipUVs);
if(!scene)
return false;
m->rootPath = (std::string)fp;
for(int x = m->rootPath.size() - 1; x >= 0; x--){
if(m->rootPath[x] == '/' || m->rootPath[x] == '\\'){
m->rootPath = m->rootPath.substr(0, x + 1);
x = -1;
}
}
processAnimations(scene, m);
processNode(scene, scene->mRootNode, m);
if(scene->HasAnimations())
m->animations[m->currentAnim].buildBoneTree(scene, scene->mRootNode, &m->animations[m->currentAnim].root, m);
m->modelTrans = glm::mat4(1.f);
m->modelLoaded = true;
return true;
};
static int processBonesAndAnimations(glhckObject *object, const struct aiScene *sc)
{
unsigned int i, b, numBones = 0, oldNumBones;
const struct aiMesh *mesh;
glhckObject *child;
glhckBone **bones = NULL;
glhckSkinBone **skinBones = NULL;
/* import bones */
if (!(bones = _glhckCalloc(ASSIMP_BONES_MAX, sizeof(glhckBone*))))
goto fail;
if (!(skinBones = _glhckCalloc(ASSIMP_BONES_MAX, sizeof(glhckSkinBone*))))
goto fail;
for (i = 0; i != sc->mNumMeshes; ++i) {
mesh = sc->mMeshes[i];
/* FIXME: UGLY */
char pointer[16];
snprintf(pointer, sizeof(pointer), "%p", mesh);
if (!(child = findObject(object, pointer))) continue;
if (mesh->mNumBones) {
oldNumBones = numBones;
processBones(sc->mRootNode, sc->mRootNode, mesh, bones, skinBones, &numBones);
if (numBones) glhckObjectInsertSkinBones(child, skinBones+oldNumBones, numBones-oldNumBones);
for (b = oldNumBones; b < numBones; ++b) glhckSkinBoneFree(skinBones[b]);
}
}
/* we don't need skin bones anymore */
NULLDO(_glhckFree, skinBones);
/* store all bones in root object */
if (numBones) glhckObjectInsertBones(object, bones, numBones);
for (b = 0; b < numBones; ++b) glhckBoneFree(bones[b]);
NULLDO(_glhckFree, bones);
/* import animations */
if (sc->mNumAnimations && processAnimations(object, sc) != RETURN_OK)
goto fail;
return RETURN_OK;
fail:
if (bones) {
for (i = 0; i < ASSIMP_BONES_MAX; ++i)
if (bones[i]) glhckBoneFree(bones[i]);
_glhckFree(bones);
}
if (skinBones) {
for (i = 0; i < ASSIMP_BONES_MAX; ++i)
if (skinBones[i]) glhckSkinBoneFree(skinBones[i]);
_glhckFree(skinBones);
}
return RETURN_FAIL;
}
void YafFile::loadFile(char* filename)
{
TiXmlDocument* doc=new TiXmlDocument( filename );
bool loadOkay = doc->LoadFile();
if ( !loadOkay )
{
printf( "Could not load file '%s'. Error='%s'. Exiting.\n", filename, doc->ErrorDesc() );
exit( 1 );
}
TiXmlElement* yafElement= doc->FirstChildElement( "yaf" );
if (yafElement == NULL)
{
printf("Main yaf block element not found! Exiting!\n");
exit(1);
}
TiXmlElement* globalsElement = yafElement->FirstChildElement( "globals" );
processGlobals(globalsElement);
TiXmlElement* lightingElement = yafElement->FirstChildElement("lighting");
processGlobalLight(lightingElement);
processLights(lightingElement);
TiXmlElement* camerasElement = yafElement->FirstChildElement("cameras");
processCameras(camerasElement);
TiXmlElement* texturesElement = yafElement->FirstChildElement("textures");
processTextures(texturesElement);
TiXmlElement* appearanceElement = yafElement->FirstChildElement("appearances");
processAppearances(appearanceElement);
TiXmlElement* animationsElement = yafElement->FirstChildElement("animations");
if(animationsElement!=NULL)
{
processAnimations(animationsElement);
map<string,Animation*>::iterator it = animations.begin();
for(;it!=animations.end();it++)
{
(*it->second).print();
}
}
TiXmlElement* graphElement = yafElement->FirstChildElement("graph");
processGraph(graphElement);
}
void FBXConverter::convert( const char* input , const char* output )
{
if ( converting ) return;
converting = true;
FbxManager* fbxManger = FbxManager::Create();
FbxIOSettings* ios = FbxIOSettings::Create( fbxManger , IOSROOT );
fbxManger->SetIOSettings( ios );
FbxImporter* importer = FbxImporter::Create( fbxManger , "" );
bool status = importer->Initialize( input , -1 , fbxManger->GetIOSettings() );
if ( !status )
{
std::cout << importer->GetStatus().GetErrorString() << std::endl;
}
FbxScene* scene = FbxScene::Create( fbxManger , "theScene" );
importer->Import( scene );
importer->Destroy();
FbxMesh* theMesh = findMesh( scene->GetRootNode() );
if ( theMesh )
{
std::vector<VertexData> vertices;
std::vector<IndexData> indices;
FbxStringList uvSets;
theMesh->GetUVSetNames( uvSets );
processPolygons( theMesh , vertices , indices , uvSets );
std::vector<JointData> skeleton;
processSkeletonHierarchy( scene->GetRootNode() , skeleton );
if ( skeleton.size() ) processAnimations( theMesh->GetNode() , skeleton , vertices , indices );
std::string modelData;
for ( unsigned int i = 0; i < vertices.size(); ++i )
{
modelData += DATASTRING( vertices[i].position );
modelData += DATASTRING( vertices[i].uv );
modelData += DATASTRING( vertices[i].normal );
modelData += DATASTRING( vertices[i].tangent );
modelData += DATASTRING( vertices[i].bitangent );
for ( unsigned int j = 0; j < 4 ; ++j )
{
if ( j < vertices[i].blendingInfo.size() )
{
int blendingIndex = vertices[i].blendingInfo[j].blendingIndex;
modelData += DATASTRING( blendingIndex );
}
else
{
int blendingIndex = -1;
modelData += DATASTRING( blendingIndex );
}
}
for ( unsigned int j = 0; j < 4; ++j )
{
if ( j < vertices[i].blendingInfo.size() )
{
float blendingIndex = vertices[i].blendingInfo[j].blendingWeight;
modelData += DATASTRING( blendingIndex );
}
else
{
float blendingIndex = -1;
modelData += DATASTRING( blendingIndex );
}
}
}
for ( unsigned int i = 0; i < indices.size(); ++i)
{
modelData += DATASTRING( indices[i].index );
}
std::string boneData;
std::vector<unsigned int> boneChildren;
std::vector<AnimationData> boneAnimation;
for ( unsigned int i = 0; i < skeleton.size(); ++i )
{
boneData += DATASTRING( skeleton[i].offsetMatrix );
int childDataStart , childDataEnd , animationDataStart , animationDataEnd;
if ( skeleton[i].children.size() )
{
childDataStart = boneChildren.size();
for ( unsigned int j = 0; j < skeleton[i].children.size(); ++j )
{
boneChildren.push_back( skeleton[i].children[j] );
}
childDataEnd = boneChildren.size();
}
else
{
childDataStart = -1;
childDataEnd = -1;
}
if ( skeleton[i].animation.size() )
{
animationDataStart = boneAnimation.size();
for ( unsigned int j = 0; j < skeleton[i].animation.size(); ++j )
{
boneAnimation.push_back( skeleton[i].animation[j] );
}
animationDataEnd = boneAnimation.size();
}
else
{
animationDataStart = -1;
animationDataEnd = -1;
}
boneData += DATASTRING( childDataStart );
boneData += DATASTRING( childDataEnd );
boneData += DATASTRING( animationDataStart );
boneData += DATASTRING( animationDataEnd );
}
unsigned int sizeofAnimationRangeInfo;
AnimationFrameRangeInfo frameRange;
if ( boneAnimation.size() > 0 )
{
sizeofAnimationRangeInfo = 1;
frameRange.nextAnimationFrameInfo = 0;
frameRange.firstFrame = 1;
frameRange.lastFrame = boneAnimation[boneAnimation.size() - 1].frame;
}
else
{
sizeofAnimationRangeInfo = 0;
}
std::fstream stream( output , std::ios_base::binary | std::ios_base::out | std::ios_base::trunc );
unsigned int sizeofVertices = vertices.size();
stream.write( reinterpret_cast< char* >( &sizeofVertices ) , sizeof( sizeofVertices ));
unsigned int sizeofIndices = indices.size();
stream.write( reinterpret_cast< char* >( &sizeofIndices ) , sizeof( sizeofIndices ) );
unsigned int sizeofBoneData = skeleton.size();
stream.write( reinterpret_cast<char*>( &sizeofBoneData ) , sizeof( sizeofBoneData ) );
unsigned int sizeofBoneChildData = boneChildren.size();
stream.write( reinterpret_cast< char* >( &sizeofBoneChildData ) , sizeof( sizeofBoneChildData ));
unsigned int sizeofBoneAnimationData = boneAnimation.size();
stream.write( reinterpret_cast< char* >( &sizeofBoneAnimationData ) , sizeof( sizeofBoneAnimationData ) );
stream.write( reinterpret_cast< char* >( &sizeofAnimationRangeInfo ) , sizeof( sizeofAnimationRangeInfo ) );
stream.write( modelData.c_str() , modelData.size() );
stream.write( boneData.c_str() , boneData.size() );
for ( unsigned int i = 0; i < boneChildren.size(); ++i )
{
stream.write( reinterpret_cast< char* >( &boneChildren[i] ) , sizeof( boneChildren[i] ) );
}
for ( unsigned int i = 0; i < boneAnimation.size(); ++i )
{
stream.write( reinterpret_cast< char* >( &boneAnimation[i] ) , sizeof( boneAnimation[i] ) );
}
if(sizeofAnimationRangeInfo) stream.write( reinterpret_cast< char* >( &frameRange ) , sizeof( frameRange ) );
stream.close();
}
converting = false;
}
