bool ModelInstance::setModel(const char* modelName,ModelNode *pNode)
{
IModelManager *pModelManager = getRenderEngine()->getModelManager();
IModel *pModel = pModelManager->loadModel(modelName);
if(!pModel)return false;
m_pModel = pModel;
m_pNode = pNode;
//设置buffer
m_pIB = m_pModel->getIndexBuffer();
m_pVBTexcoord = m_pModel->getTexcoordBuffer();
m_pVBBlendWeight = m_pModel->getBlendWeightBuffer();
m_pBlendShaderProgram = m_pModel->getBlendShaderProgram();//需要再构造SubModelInstance前设置
m_needDrawShadow = m_pModel->needDrawShadow();
//创建子mesh
uint numSubModels = m_pModel->getNumSubModels();
for(uint i = 0;i < numSubModels;i++)
{
ISubModel *pSubModel = m_pModel->getSubModel(i);
SubModelInstance *pSubModelInstance = new SubModelInstance(this,pSubModel, i);
m_subModels.push_back(pSubModelInstance);
m_vBlendIndices.push_back( m_pModel->getBlendIndicesBuffer(i));//保存骨骼混合的索引buffer
}
//创建骨骼树
if( !m_skeleton.create(m_pModel->getCoreSkeletion() ) )
{
return false;
}
//uint numBones = m_pModel->numBones();
//for(uint i = 0;i < numBones;i++)
//{
// BoneData *pData = m_pModel->getBone(i);
// Bone *pBone = m_skeleton.createBone(m_pNode);
// loadBone(pBone,pData);
//}
////骨骼树形结构构建
//for(size_t i = 0;i < numBones;i++)
//{
// BoneData *pBone = m_pModel->getBone(i);
// if(pBone->parentId != -1)
// {
// for(size_t j = 0;j < numBones;j++)
// {
// BoneData *pParent = m_pModel->getBone(j);
// if(pBone->parentId == pParent->objectId)
// {
// m_skeleton.getBone(i)->setParent(m_skeleton.getBone(j));
// break;
// }
// }
// }
// m_skeleton.getBone(i)->setPrecomputeMatrix(pBone->precomputeMtx);
//}
//ParticleSystem
size_t size = m_pModel->numParticleSystem();
for(size_t j = 0;j < size;j++)
{
ParticleSystem *pParticleSystem = new ParticleSystem;
pParticleSystem->m_pData = m_pModel->getParticleSystemData(j);
pParticleSystem->m_pBone = m_skeleton.getBone(pParticleSystem->m_pData->boneObjectId);
pParticleSystem->m_pNode = m_pNode;
m_vParticleSystem.push_back(pParticleSystem);
}
//RibbonSystem
size = m_pModel->numRibbonSystem();
for(size_t j = 0;j < size;j++)
{
RibbonSystem *pRibbonSystem = new RibbonSystem;
pRibbonSystem->m_pData = m_pModel->getRibbonSystemData(j);
pRibbonSystem->m_pBone = m_skeleton.getBone(pRibbonSystem->m_pData->boneObjectId);
pRibbonSystem->m_pNode = m_pNode;
m_vRibbonSystem.push_back(pRibbonSystem);
}
//MmParticleSystem
size = m_pModel->numMmParticleSystem();
for(size_t j = 0;j < size;j++)
{
MmParticleSystem *pMmPs = new MmParticleSystem;
pMmPs->m_pData = m_pModel->getMmParticleSystem(j);
pMmPs->m_pNode = m_pNode;
pMmPs->m_pBone = m_skeleton.getBone(pMmPs->m_pData->bone);
m_vMmParticleSystem.push_back(pMmPs);
}
if(m_pModel->getAnimationCount())
setCurrentAnimation(pModel->getAnimation(0)->getName());
return true;
}
