@Override
public boolean regenerate(Region region, EditSession editSession) {
BaseBlock[] history = new BaseBlock[256 * (getMaxY() + 1)];
for (Vector2D chunk : region.getChunks()) {
Vector min = new Vector(chunk.getBlockX() * 16, 0, chunk.getBlockZ() * 16);
for (int x = 0; x < 16; x++) {
for (int y = 0; y < getMaxY() + 1; y++) {
for (int z = 0; z < 16; z++) {
Vector pt = min.add(x, y, z);
int index = y * 16 * 16 + z * 16 + x;
history[index] = editSession.getBlock(pt);
}
}
}
try {
Set<Vector2D> chunks = region.getChunks();
IChunkProvider provider = getWorld().getChunkProvider();
if (!(provider instanceof ChunkProviderServer)) {
return false;
}
ChunkProviderServer chunkServer = (ChunkProviderServer) provider;
Field u;
try {
u = ChunkProviderServer.class.getDeclaredField("field_73248_b"); // chunksToUnload
} catch(NoSuchFieldException e) {
u = ChunkProviderServer.class.getDeclaredField("chunksToUnload");
}
u.setAccessible(true);
Set<?> unloadQueue = (Set<?>) u.get(chunkServer);
Field m;
try {
m = ChunkProviderServer.class.getDeclaredField("field_73244_f"); // loadedChunkHashMap
} catch(NoSuchFieldException e) {
m = ChunkProviderServer.class.getDeclaredField("loadedChunkHashMap");
}
m.setAccessible(true);
LongHashMap loadedMap = (LongHashMap) m.get(chunkServer);
Field lc;
try {
lc = ChunkProviderServer.class.getDeclaredField("field_73245_g"); // loadedChunkHashMap
} catch(NoSuchFieldException e) {
lc = ChunkProviderServer.class.getDeclaredField("loadedChunks");
}
lc.setAccessible(true);
@SuppressWarnings("unchecked") List<Chunk> loaded = (List<Chunk>) lc.get(chunkServer);
Field p;
try {
p = ChunkProviderServer.class.getDeclaredField("field_73246_d"); // currentChunkProvider
} catch(NoSuchFieldException e) {
p = ChunkProviderServer.class.getDeclaredField("currentChunkProvider");
}
p.setAccessible(true);
IChunkProvider chunkProvider = (IChunkProvider) p.get(chunkServer);
for (Vector2D coord : chunks) {
long pos = ChunkCoordIntPair.chunkXZ2Int(coord.getBlockX(), coord.getBlockZ());
Chunk mcChunk;
if (chunkServer.chunkExists(coord.getBlockX(), coord.getBlockZ())) {
mcChunk = chunkServer.loadChunk(coord.getBlockX(), coord.getBlockZ());
mcChunk.onChunkUnload();
}
unloadQueue.remove(pos);
loadedMap.remove(pos);
mcChunk = chunkProvider.provideChunk(coord.getBlockX(), coord.getBlockZ());
loadedMap.add(pos, mcChunk);
loaded.add(mcChunk);
if (mcChunk != null) {
mcChunk.onChunkLoad();
mcChunk.populateChunk(chunkProvider, chunkProvider, coord.getBlockX(), coord.getBlockZ());
}
}
} catch (Throwable t) {
logger.log(Level.WARNING, "Failed to generate chunk", t);
return false;
}
for (int x = 0; x < 16; x++) {
for (int y = 0; y < getMaxY() + 1; y++) {
for (int z = 0; z < 16; z++) {
Vector pt = min.add(x, y, z);
int index = y * 16 * 16 + z * 16 + x;
if (!region.contains(pt))
editSession.smartSetBlock(pt, history[index]);
else {