private static GLState stfor(Tex tex, int z, boolean clip) {
TexGL gt;
if (tex instanceof TexGL) gt = (TexGL) tex;
else if ((tex instanceof TexSI) && (((TexSI) tex).parent instanceof TexGL))
gt = (TexGL) ((TexSI) tex).parent;
else throw (new RuntimeException("Cannot use texture for ground-tile rendering: " + tex));
GLState ret;
if (clip)
ret = GLState.compose(Light.deflight, gcol, gt.draw(), gt.clip(), new MapMesh.MLOrder(z));
else ret = GLState.compose(Light.deflight, gcol, gt.draw(), new MapMesh.MLOrder(z));
return (ret);
}
