public void updateTextureFromRegion(Region region, int x, int z, int w, int h) {
int tx = (x >> region.zoomLevel) & (this.w - 1);
int ty = (z >> region.zoomLevel) & (this.h - 1);
int tw = (w >> region.zoomLevel);
int th = (h >> region.zoomLevel);
// make sure we don't write outside texture
tw = Math.min(tw, this.w - tx);
th = Math.min(th, this.h - th);
// MwUtil.log("updateTextureFromRegion: region %s, %d %d %d %d -> %d %d %d %d", region, x, z, w,
// h, tx, ty, tw, th);
int[] pixels = region.getPixels();
if (pixels != null) {
this.setRGBOpaque(tx, ty, tw, th, pixels, region.getPixelOffset(x, z), Region.SIZE);
} else {
this.fillRect(tx, ty, tw, th, 0xff000000);
}
}
