BOOL VPrefab::Instantiate(VPrefabInstanceInfo &info)
{
EnsureLoaded();
if (!IsLoaded())
return FALSE;
// serialize from memory block (class VPrefabShapesArchive provides with transformation)
VMemBlockWrapperStream inStream(m_BinaryBlock.GetBuffer(), m_iSize);
VPrefabShapesArchive ar(&inStream, info);
ar.SetLoadingVersion(m_Header.m_iArchiveVersion);
if (info.m_bOutputInstances)
info.m_Instances.EnsureSize(m_Header.m_iRootObjectCount);
info.m_iInstanceCount = m_Header.m_iRootObjectCount;
for (int i=0;i<m_Header.m_iRootObjectCount;i++)
{
VTypedObject *pObj = ar.ReadObject(NULL);
if (info.m_bOutputInstances)
info.m_Instances[i] = pObj;
if (info.m_pParentObject!=NULL && pObj!=NULL && pObj->IsOfType(V_RUNTIME_CLASS(VisObject3D_cl)))
{
VisObject3D_cl *pObj3D = (VisObject3D_cl *)pObj;
if (pObj3D->GetParent()==NULL) // this is how we identify the root elements
pObj3D->AttachToParent(info.m_pParentObject);
}
}
ar.Close();
return TRUE;
}
/// \brief
/// Returns the type of this instance if GetOwnerTypedObject is implemented for a typed object such as VisObject3D_cl.
///
/// \return
/// Returns the RTTI type of the child. Returns NULL if the GetOwnerTypedObject function is not re-implemented in the class that inherits.
inline VType* GetOwnerTypeId()
{
VTypedObject* pObj = this->GetOwnerTypedObject();
if (pObj)
{
return pObj->GetTypeId();
}
return NULL;
}
//Called by the engine whenever it creates an entity
VisBaseEntity_cl *VisionApp_cl::OnCreateEntity(const char *pszClassName)
{
VType *pType = Vision::GetTypeManager()->GetType(pszClassName);
if (!pType)
{
Vision::Error.Warning("CreateEntity: Could not create entity of class %s, entity class is not registered", pszClassName);
Vision::Error.AddReportGroupEntry(VIS_REPORTGROUPTYPE_MISSING_ENTITY_CLASS, pszClassName);
return NULL;
}
VTypedObject *pInst = pType->CreateInstance();
if (!pInst->IsOfType(V_RUNTIME_CLASS(VisBaseEntity_cl)))
{
VASSERT_MSG(FALSE,"Specified class is no derived from VisBaseEntity_cl");
return NULL;
}
return (VisBaseEntity_cl *)pInst;
}
