void preallocateBlockIDs(boolean[] configMarkers) { ConfigCategory items = config.getCategory(config.CATEGORY_BLOCK); for (Property prop : items.getValues().values()) { int id = prop.getInt(); if (id != -1) { // System.out.printf("BaseMod.preallocateItemIDs: Marking block id %d as in use\n", id); configMarkers[id] = true; } } }