Iterator texturesToUnload = this.skies.iterator();
while (texturesToUnload.hasNext()) {
SkyRenderer$Layer i$ = (SkyRenderer$Layer)texturesToUnload.next();
if (i$.prepare()) {
texturesNeeded.add(SkyRenderer$Layer.access$300(i$));
}
}
HashSet texturesToUnload1 = new HashSet();