void DestroyMesh(struct Mesh *mesh)
{
if (mesh != NULL)
{
if (mesh->vertices != NULL)
free(mesh->vertices);
if (mesh->triangles != NULL)
free(mesh->triangles);
if (mesh->normals != NULL)
free(mesh->normals);
if (mesh->uvcoords != NULL)
free(mesh->uvcoords);
if (mesh->materials != NULL)
{
for (int i = 0; i < mesh->num_materials; i++)
DestroyMaterial(&mesh->materials[i]);
free(mesh->materials);
}
free(mesh);
mesh = NULL;
}
}
//-----------------------------------------------------------------------------
// Tests dynamic buffers
//-----------------------------------------------------------------------------
void CMaterialSystemTestApp::TestDynamicBuffers( IMatRenderContext *pMatRenderContext, bool bBuffered )
{
CreateWireframeMaterial();
g_pMaterialSystem->BeginFrame( 0 );
pMatRenderContext->Bind( m_pMaterial );
IMesh *pMesh = pMatRenderContext->GetDynamicMesh( bBuffered );
// clear (so that we can make sure that we aren't getting results from the previous quad)
pMatRenderContext->ClearColor3ub( RandomInt( 0, 100 ), RandomInt( 0, 100 ), RandomInt( 190, 255 ) );
pMatRenderContext->ClearBuffers( true, true );
static unsigned char s_pColors[4][4] =
{
{ 255, 0, 0, 255 },
{ 0, 255, 0, 255 },
{ 0, 0, 255, 255 },
{ 255, 255, 255, 255 },
};
static int nCount = 0;
const int nLoopCount = 8;
float flWidth = 2.0f / nLoopCount;
for ( int i = 0; i < nLoopCount; ++i )
{
CMeshBuilder mb;
mb.Begin( pMesh, MATERIAL_TRIANGLES, 4, 6 );
mb.Position3f( -1.0f + i * flWidth, -1.0f, 0.5f );
mb.Normal3f( 0.0f, 0.0f, 1.0f );
mb.Color4ubv( s_pColors[nCount++ % 4] );
mb.AdvanceVertex();
mb.Position3f( -1.0f + i * flWidth + flWidth, -1.0f, 0.5f );
mb.Normal3f( 0.0f, 0.0f, 1.0f );
mb.Color4ubv( s_pColors[nCount++ % 4] );
mb.AdvanceVertex();
mb.Position3f( -1.0f + i * flWidth + flWidth, 1.0f, 0.5f );
mb.Normal3f( 0.0f, 0.0f, 1.0f );
mb.Color4ubv( s_pColors[nCount++ % 4] );
mb.AdvanceVertex();
mb.Position3f( -1.0f + i * flWidth, 1.0f, 0.5f );
mb.Normal3f( 0.0f, 0.0f, 1.0f );
mb.Color4ubv( s_pColors[nCount++ % 4] );
mb.AdvanceVertex();
++nCount;
mb.FastIndex( 0 );
mb.FastIndex( 2 );
mb.FastIndex( 1 );
mb.FastIndex( 0 );
mb.FastIndex( 3 );
mb.FastIndex( 2 );
mb.End( true );
pMesh->Draw( );
}
++nCount;
g_pMaterialSystem->EndFrame();
g_pMaterialSystem->SwapBuffers();
DestroyMaterial();
}
