MeshX::MeshX(const char *xFileName)
{
this->mesh = NULL;
HRESULT hr;
animCtrl = 0;
CreateWindowHandle();
CreateDirect3dDevice();
allocMeshHierarchy.setDevice(pDevice);
//try to load skinned mesh
hr = D3DXLoadMeshHierarchyFromXA(xFileName, D3DXMESH_SYSTEMMEM,
pDevice, &allocMeshHierarchy, 0, /* ignore user data */
(D3DXFRAME**)&root, &animCtrl);
if (FAILED(hr))
{
throw std::bad_alloc();
}
skinInfo = allocMeshHierarchy.GetMeshList().front()->pSkinInfo;
BuildSkinnedMesh();
boneMatrices = new D3DXMATRIX[skinInfo->GetNumBones()];
boneMatrices3x4 = HQMatrix3x4::NewArray(skinInfo->GetNumBones());
}
//-----------------------------------------------------------------------------
// The mesh class constructor.
//-----------------------------------------------------------------------------
Mesh::Mesh( char *name, char *path ) : Resource< Mesh >( name, path )
{
// Create the list of reference points.
m_frames = new LinkedList< Frame >;
m_refPoints = new LinkedList< Frame >;
// Load the mesh's frame hierarchy.
AllocateHierarchy ah;
D3DXLoadMeshHierarchyFromXA( GetFilename(), D3DXMESH_MANAGED, g_engine->GetDevice(), &ah, NULL, (D3DXFRAME**)&m_firstFrame, &m_animationController );
// Disable all the animation tracks initially.
if( m_animationController != NULL )
for( unsigned long t = 0; t < m_animationController->GetMaxNumTracks(); ++t )
m_animationController->SetTrackEnable( t, false );
// Invalidate the bone transformation matrices array.
m_boneMatrices = NULL;
m_totalBoneMatrices = 0;
// Prepare the frame hierarchy.
PrepareFrame( m_firstFrame );
// Allocate memory for the bone matrices.
m_boneMatrices = new D3DXMATRIX[m_totalBoneMatrices];
// Create a static (non-animated) version of the mesh.
m_staticMesh = new MeshContainer;
ZeroMemory( m_staticMesh, sizeof( MeshContainer ) );
// Load the mesh.
ID3DXBuffer *materialBuffer, *adjacencyBuffer;
D3DXLoadMeshFromXA( GetFilename(), D3DXMESH_MANAGED, g_engine->GetDevice(), &adjacencyBuffer, &materialBuffer, NULL, &m_staticMesh->NumMaterials, &m_staticMesh->originalMesh );
// Optimise the mesh for better rendering performance.
m_staticMesh->originalMesh->OptimizeInplace( D3DXMESHOPT_COMPACT | D3DXMESHOPT_ATTRSORT | D3DXMESHOPT_VERTEXCACHE, (DWORD*)adjacencyBuffer->GetBufferPointer(), NULL, NULL, NULL );
// Finished with the adjacency buffer, so destroy it.
SAFE_RELEASE( adjacencyBuffer );
// Check if the mesh has any materials.
if( m_staticMesh->NumMaterials > 0 )
{
// Create the array of materials.
m_staticMesh->materials = new Material*[m_staticMesh->NumMaterials];
// Get the list of materials from the material buffer.
D3DXMATERIAL *materials = (D3DXMATERIAL*)materialBuffer->GetBufferPointer();
// Load each material into the array via the material manager.
for( unsigned long m = 0; m < m_staticMesh->NumMaterials; m++ )
{
// Ensure the material has a texture.
if( materials[m].pTextureFilename )
{
// Get the name of the material's script and load it.
char *name = new char[strlen( materials[m].pTextureFilename ) + 5];
sprintf( name, "%s.txt", materials[m].pTextureFilename );
m_staticMesh->materials[m] = g_engine->GetMaterialManager()->Add( name, GetPath() );
SAFE_DELETE_ARRAY( name );
}
else
m_staticMesh->materials[m] = NULL;
}
}
// Create the bounding volume around the mesh.
BoundingVolumeFromMesh( m_staticMesh->originalMesh );
// Destroy the material buffer.
SAFE_RELEASE( materialBuffer );
// Create a vertex array and an array of indices into the vertex array.
m_vertices = new Vertex[m_staticMesh->originalMesh->GetNumVertices()];
m_indices = new unsigned short[m_staticMesh->originalMesh->GetNumFaces() * 3];
// Use the arrays to store a local copy of the static mesh's vertices and
// indices so that they can be used by the scene manager on the fly.
Vertex* verticesPtr;
m_staticMesh->originalMesh->LockVertexBuffer( 0, (void**)&verticesPtr );
unsigned short *indicesPtr;
m_staticMesh->originalMesh->LockIndexBuffer( 0, (void**)&indicesPtr );
memcpy( m_vertices, verticesPtr, VERTEX_FVF_SIZE * m_staticMesh->originalMesh->GetNumVertices() );
memcpy( m_indices, indicesPtr, sizeof( unsigned short ) * m_staticMesh->originalMesh->GetNumFaces() * 3 );
m_staticMesh->originalMesh->UnlockVertexBuffer();
m_staticMesh->originalMesh->UnlockIndexBuffer();
}
