public static void onPopulateChunk(World world, Random rand, int chunkX, int chunkZ) {
COWorldConfig cfg = COWorldConfig.getWorldConfig(world);
HashMap<ChunkCoordIntPair, int[]> dimChunkMap = null;
Integer cRange = Integer.valueOf(world.provider.dimensionId);
dimChunkMap = _populatedChunks.get(cRange);
if (dimChunkMap == null) {
dimChunkMap = new HashMap();
_populatedChunks.put(cRange, dimChunkMap);
}
ChunkCoordIntPair neighborMax = new ChunkCoordIntPair(chunkX >>> 4, chunkZ >>> 4);
int[] cX = (int[]) ((Map) dimChunkMap).get(neighborMax);
if (cX == null) {
cX = new int[16];
((Map) dimChunkMap).put(neighborMax, cX);
}
cX[chunkX & 15] |= 65537 << (chunkZ & 15);
int var16 = (cfg.deferredPopulationRange + 15) / 16;
int var17 = 4 * var16 * (var16 + 1) + 1;
for (int var18 = chunkX - var16; var18 <= chunkX + var16; ++var18) {
for (int cZ = chunkZ - var16; cZ <= chunkZ + var16; ++cZ) {
int neighborCount = 0;
for (int iX = var18 - var16; iX <= var18 + var16; ++iX) {
for (int iZ = cZ - var16; iZ <= cZ + var16; ++iZ) {
ChunkCoordIntPair chunkKey = new ChunkCoordIntPair(iX >>> 4, iZ >>> 4);
int[] chunkData = (int[]) ((Map) dimChunkMap).get(chunkKey);
if (chunkData == null) {
chunkData = new int[16];
((Map) dimChunkMap).put(chunkKey, chunkData);
}
if ((chunkData[iX & 15] >>> (iZ & 15) & 65536) == 0) {
boolean populated = isChunkSavedPopulated(world, iX, iZ);
chunkData[iX & 15] |= (populated ? 65537 : 65536) << (iZ & 15);
}
if ((chunkData[iX & 15] >>> (iZ & 15) & 1) != 0) {
++neighborCount;
}
}
}
if (neighborCount == var17) {
populateDistributions(cfg.getOreDistributions(), world, var18, cZ);
}
}
}
}
private static boolean isChunkSavedPopulated(World world, int chunkX, int chunkZ) {
File saveFolder = COWorldConfig.getWorldConfig(world).dimensionDir;
DataInputStream stream = RegionFileCache.getChunkInputStream(saveFolder, chunkX, chunkZ);
if (stream != null) {
try {
NBTTagCompound ex = CompressedStreamTools.read(stream);
if (ex.hasKey("Level") && ex.getCompoundTag("Level").getBoolean("TerrainPopulated")) {
return true;
}
} catch (IOException var6) {;
}
}
return false;
}
public static void onServerChanged(MinecraftServer server, WorldInfo worldInfo) {
COWorldConfig.clearWorldConfigs();
;
COWorldConfig.loadedOptionOverrides[1] = COWorldConfig.loadedOptionOverrides[2] = null;
_populatedChunks.clear();
_server = server;
BiomeGenBase[] worldBaseDir = BiomeGenBase.biomeList;
int saveFormat = worldBaseDir.length;
for (int cfg = 0; cfg < saveFormat; ++cfg) {
BiomeGenBase ex = worldBaseDir[cfg];
if (ex != null && ex.theBiomeDecorator != null) {
patchBiomeDecorator(ex.theBiomeDecorator);
}
}
File saveDir = null;
ISaveFormat var9 = _server.getActiveAnvilConverter();
if (var9 != null && var9 instanceof SaveFormatOld) {
saveDir = ((SaveFormatOld) var9).getSavesDirectory();
}
saveDir = new File(saveDir, _server.getFolderName());
COWorldConfig var10 = null;
while (var10 == null) {
try {
var10 = new COWorldConfig(worldInfo, saveDir);
COWorldConfig.validateOptions(var10.getConfigOptions(), false);
COWorldConfig.validateDistributions(var10.getOreDistributions(), false);
} catch (Exception var7) {
if (!COErrorHandler.onConfigError(var7)) {
break;
}
var10 = null;
}
}
}