spieleprogrammierer.de - Forum und Wiki zur Spieleprogrammierung und Spieleentwicklung

C-/C++-Quelltext

HRESULT InitGeometry()
{
    LPD3DXBUFFER pD3DXMtrlBuffer;

    // Load the mesh from the specified file

    if( FAILED( D3DXLoadMeshFromX( "Tiger.x", D3DXMESH_SYSTEMMEM, 
                                   g_pd3dDevice, NULL, 
                                   &pD3DXMtrlBuffer, NULL, &g_dwNumMaterials, 
                                   &g_pMesh ) ) )
    {
        // If model is not in current folder, try parent folder

        if( FAILED( D3DXLoadMeshFromX( "..\\Tiger.x", D3DXMESH_SYSTEMMEM, 
                                    g_pd3dDevice, NULL, 
                                    &pD3DXMtrlBuffer, NULL, &g_dwNumMaterials, 
                                    &g_pMesh ) ) )
        {
            MessageBox(NULL, "Could not find tiger.x", "Meshes.exe", MB_OK);
            return E_FAIL;
        }
    }

    // We need to extract the material properties and texture names from the 

    // pD3DXMtrlBuffer

    D3DXMATERIAL* d3dxMaterials = (D3DXMATERIAL*)pD3DXMtrlBuffer->GetBufferPointer();
    g_pMeshMaterials = new D3DMATERIAL9[g_dwNumMaterials];
    if( g_pMeshMaterials == NULL )
        return E_OUTOFMEMORY;
    g_pMeshTextures  = new LPDIRECT3DTEXTURE9[g_dwNumMaterials];
    if( g_pMeshTextures == NULL )
        return E_OUTOFMEMORY;

    for( DWORD i=0; i<g_dwNumMaterials; i++ )
    {
        // Copy the material

        g_pMeshMaterials[i] = d3dxMaterials[i].MatD3D;

        // Set the ambient color for the material (D3DX does not do this)

        g_pMeshMaterials[i].Ambient = g_pMeshMaterials[i].Diffuse;

        g_pMeshTextures[i] = NULL;
        if( d3dxMaterials[i].pTextureFilename != NULL && 
            lstrlen(d3dxMaterials[i].pTextureFilename) > 0 )
        {
            // Create the texture

            if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, 
                                                d3dxMaterials[i].pTextureFilename, 
                                                &g_pMeshTextures[i] ) ) )
            {
                // If texture is not in current folder, try parent folder

                const TCHAR* strPrefix = TEXT("..\\");
                TCHAR strTexture[MAX_PATH];
                StringCchCopy( strTexture, MAX_PATH, strPrefix );
                StringCchCat( strTexture, MAX_PATH, d3dxMaterials[i].pTextureFilename );
                // If texture is not in current folder, try parent folder

                if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, 
                                                    strTexture, 
                                                    &g_pMeshTextures[i] ) ) )
                {
                    MessageBox(NULL, "Could not find texture map", "Meshes.exe", MB_OK);
                }
            }
        }
    }

    // Done with the material buffer

    pD3DXMtrlBuffer->Release();

    return S_OK;
}

C-/C++-Quelltext

VOID Render()
{
    // Clear the backbuffer and the zbuffer

    g_pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, 
                         D3DCOLOR_XRGB(0,0,255), 1.0f, 0 );
    
    // Begin the scene

    if( SUCCEEDED( g_pd3dDevice->BeginScene() ) )
    {
        // Setup the world, view, and projection matrices

        SetupMatrices();

        // Meshes are divided into subsets, one for each material. Render them in

        // a loop

        for( DWORD i=0; i<g_dwNumMaterials; i++ )
        {
            // Set the material and texture for this subset

            g_pd3dDevice->SetMaterial( &g_pMeshMaterials[i] );
            g_pd3dDevice->SetTexture( 0, g_pMeshTextures[i] );
        
            // Draw the mesh subset

            g_pMesh->DrawSubset( i );
        }

        // End the scene

        g_pd3dDevice->EndScene();
    }

    // Present the backbuffer contents to the display

    g_pd3dDevice->Present( NULL, NULL, NULL, NULL );
}