/*Stuff in header
LPDIRECT3DDEVICE9 m_pD3DDevice;
DWORD m_dwNumMaterials;
LPD3DXMESH m_pMesh;
D3DMATERIAL9* m_pMeshMaterials;
LPDIRECT3DTEXTURE9* m_pMeshTextures;
*/

bool CMesh::LoadMesh(LPDIRECT3DDEVICE9 pD3DDevice, LPSTR pFilename)
{
	LPD3DXBUFFER pMaterialsBuffer = NULL;
	LPD3DXMESH pMesh = NULL;	

	m_pD3DDevice = pD3DDevice;
	
	if(FAILED(D3DXLoadMeshFromX(pFilename, D3DXMESH_SYSTEMMEM, m_pD3DDevice, NULL, 
                                &pMaterialsBuffer, NULL, &m_dwNumMaterials, &pMesh)))
	{
		m_pMesh = NULL;
		m_pMeshMaterials = NULL;
		m_pMeshTextures = NULL;

		Log->LogError("Mesh '%s' failed to load", pFilename);
		return false;
	}

    D3DXMATERIAL* matMaterials = (D3DXMATERIAL*)pMaterialsBuffer->GetBufferPointer();
    
	//Create two arrays. One to hold the materials and only to hold the textures
	m_pMeshMaterials = new D3DMATERIAL9[m_dwNumMaterials];
    m_pMeshTextures  = new LPDIRECT3DTEXTURE9[m_dwNumMaterials];

    for(DWORD i = 0; i < m_dwNumMaterials; i++)
    {
        // Copy the material
        m_pMeshMaterials = matMaterials.MatD3D;

        // Set the ambient color for the material (D3DX does not do this)
		m_pMeshMaterials.Ambient = m_pMeshMaterials.Diffuse;

		// Create the texture
        if(FAILED(D3DXCreateTextureFromFile(m_pD3DDevice, 
                                            matMaterials.pTextureFilename, 
                                            &m_pMeshTextures)))
        {
            m_pMeshTextures = NULL;
        }
    }

    //We've finished with the material buffer, so release it
    SafeRelease(pMaterialsBuffer);

	
	//Make sure that the normals are setup for our mesh
	pMesh->CloneMeshFVF(D3DXMESH_MANAGED, MESH_D3DFVF_CUSTOMVERTEX, m_pD3DDevice, &m_pMesh);
	SafeRelease(pMesh);

	D3DXComputeNormals(m_pMesh, NULL);
	return true;
}


DWORD CMesh::Render()
{
    m_pD3DDevice->SetRenderState(D3DRS_LIGHTING, TRUE);
    m_pD3DDevice->SetRenderState(D3DRS_AMBIENT, D3DCOLOR_XRGB(255, 0, 0));
	if(m_pMesh != NULL)
	{
		for(DWORD i = 0; i < m_dwNumMaterials; i++)
		{
			m_pD3DDevice->SetMaterial(&m_pMeshMaterials);

			//When this line is commented out it renders red
			m_pD3DDevice->SetTexture(0, m_pMeshTextures);

        
			m_pMesh->DrawSubset(i);
		}

		return m_pMesh->GetNumFaces();
	}
	else
	{
		return 0;
	}
}