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KCauldron-minecraft-server/patches/net/minecraft/world/gen/ChunkProviderServer.java.patch

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--- ../src-base/minecraft/net/minecraft/world/gen/ChunkProviderServer.java
+++ ../src-work/minecraft/net/minecraft/world/gen/ChunkProviderServer.java
@@ -1,7 +1,13 @@
package net.minecraft.world.gen;
import com.google.common.collect.Lists;
+
import cpw.mods.fml.common.registry.GameRegistry;
+import gnu.trove.impl.sync.TSynchronizedLongObjectMap;
+import gnu.trove.map.TLongObjectMap;
+import gnu.trove.map.hash.TLongObjectHashMap;
+import gnu.trove.procedure.TObjectProcedure;
+
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
@@ -9,6 +15,7 @@
import java.util.List;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
+
import net.minecraft.crash.CrashReport;
import net.minecraft.crash.CrashReportCategory;
import net.minecraft.entity.EnumCreatureType;
@@ -33,22 +40,52 @@
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
+
+
+
+
+// CraftBukkit start
+import java.util.Random;
+
+import net.minecraft.block.BlockSand;
+
+import org.bukkit.Server;
+import org.bukkit.craftbukkit.util.LongHash;
+import org.bukkit.craftbukkit.util.LongHashSet;
+import org.bukkit.craftbukkit.util.LongObjectHashMap;
+import org.bukkit.event.world.ChunkUnloadEvent;
+
+
+
+
+
+// CraftBukkit end
+// Cauldron start
+import cpw.mods.fml.common.FMLCommonHandler;
+import net.minecraft.server.MinecraftServer;
+import net.minecraftforge.cauldron.configuration.CauldronConfig;
+import net.minecraftforge.cauldron.CauldronHooks;
+// Cauldron end
+
public class ChunkProviderServer implements IChunkProvider
{
private static final Logger logger = LogManager.getLogger();
- private Set chunksToUnload = Collections.newSetFromMap(new ConcurrentHashMap());
- private Chunk defaultEmptyChunk;
+ public LongHashSet chunksToUnload = new LongHashSet(); // LongHashSet
+ public Chunk defaultEmptyChunk;
public IChunkProvider currentChunkProvider;
public IChunkLoader currentChunkLoader;
- public boolean loadChunkOnProvideRequest = true;
- public LongHashMap loadedChunkHashMap = new LongHashMap();
- public List loadedChunks = new ArrayList();
+ public boolean loadChunkOnProvideRequest = MinecraftServer.getServer().cauldronConfig.loadChunkOnRequest.getValue(); // Cauldron - if true, allows mods to force load chunks. to disable, set load-chunk-on-request in cauldron.yml to false
+ public int initialTick; // Cauldron counter to keep track of when this loader was created
+ public TLongObjectMap<Chunk> loadedChunkHashMap_KC = new TSynchronizedLongObjectMap<Chunk>(new TLongObjectHashMap<Chunk>()); public ConcurrentHashMap<Integer,Chunk> chunkt_KC = new ConcurrentHashMap<Integer,Chunk>();
+ public List loadedChunks = new ArrayList(); // Cauldron - vanilla compatibility
public WorldServer worldObj;
private Set<Long> loadingChunks = com.google.common.collect.Sets.newHashSet();
+ public LongHashMap loadedChunkHashMap = new kcauldron.wrapper.VanillaChunkHashMap(loadedChunkHashMap_KC); // KCauldron - vanilla/mystcraft compatibility
private static final String __OBFID = "CL_00001436";
public ChunkProviderServer(WorldServer p_i1520_1_, IChunkLoader p_i1520_2_, IChunkProvider p_i1520_3_)
{
+ this.initialTick = MinecraftServer.currentTick; // Cauldron keep track of when the loader was created
this.defaultEmptyChunk = new EmptyChunk(p_i1520_1_, 0, 0);
this.worldObj = p_i1520_1_;
this.currentChunkLoader = p_i1520_2_;
@@ -57,16 +94,22 @@
public boolean chunkExists(int p_73149_1_, int p_73149_2_)
{
- return this.loadedChunkHashMap.containsItem(ChunkCoordIntPair.chunkXZ2Int(p_73149_1_, p_73149_2_));
+ return this.chunkt_KC.containsKey(chunk_hash(p_73149_1_, p_73149_2_)); //KCauldron Replacement
}
- public List func_152380_a()
+ public List func_152380_a() // Vanilla compatibility
{
return this.loadedChunks;
}
public void unloadChunksIfNotNearSpawn(int p_73241_1_, int p_73241_2_)
{
+ // PaperSpigot start - Asynchronous lighting updates
+ Chunk chunk = this.chunkt_KC.get(chunk_hash(p_73241_1_, p_73241_2_)); //KCauldron replacement
+ if (chunk != null && chunk.worldObj.spigotConfig.useAsyncLighting && (chunk.pendingLightUpdates.get() > 0 || chunk.worldObj.getTotalWorldTime() - chunk.lightUpdateTime < 20)) {
+ return;
+ }
+ // PaperSpigot end
if (this.worldObj.provider.canRespawnHere() && DimensionManager.shouldLoadSpawn(this.worldObj.provider.dimensionId))
{
ChunkCoordinates chunkcoordinates = this.worldObj.getSpawnPoint();
@@ -74,26 +117,49 @@
int l = p_73241_2_ * 16 + 8 - chunkcoordinates.posZ;
short short1 = 128;
+ // CraftBukkit start
if (k < -short1 || k > short1 || l < -short1 || l > short1)
{
- this.chunksToUnload.add(Long.valueOf(ChunkCoordIntPair.chunkXZ2Int(p_73241_1_, p_73241_2_)));
+ this.chunksToUnload.add(p_73241_1_, p_73241_2_);
+ Chunk c = this.chunkt_KC.get(chunk_hash(p_73241_1_, p_73241_2_)); //KCauldron replacement
+
+ if (c != null)
+ {
+ c.mustSave = true;
+ }
+ CauldronHooks.logChunkUnload(this, p_73241_1_, p_73241_2_, "Chunk added to unload queue");
}
+
+ // CraftBukkit end
}
else
{
- this.chunksToUnload.add(Long.valueOf(ChunkCoordIntPair.chunkXZ2Int(p_73241_1_, p_73241_2_)));
+ // CraftBukkit start
+ this.chunksToUnload.add(p_73241_1_, p_73241_2_);
+ Chunk c = this.chunkt_KC.get(chunk_hash(p_73241_1_, p_73241_2_)); //KCauldron replacement
+
+ if (c != null)
+ {
+ c.mustSave = true;
+ }
+ CauldronHooks.logChunkUnload(this, p_73241_1_, p_73241_2_, "Chunk added to unload queue");
+ // CraftBukkit end
}
}
public void unloadAllChunks()
{
- Iterator iterator = this.loadedChunks.iterator();
+ this.loadedChunkHashMap_KC.forEachValue(new TObjectProcedure<Chunk>() {
+ @Override
+ public boolean execute(Chunk chunk) {
+ unloadChunksIfNotNearSpawn(chunk.xPosition, chunk.zPosition);
+ return true;
+ }
+ });
+ }
- while (iterator.hasNext())
- {
- Chunk chunk = (Chunk)iterator.next();
- this.unloadChunksIfNotNearSpawn(chunk.xPosition, chunk.zPosition);
- }
+ public Chunk getChunkIfLoaded(int x, int z) {
+ return this.chunkt_KC.get(chunk_hash(x,z)); //KCauldron replacement
}
public Chunk loadChunk(int p_73158_1_, int p_73158_2_)
@@ -103,9 +169,9 @@
public Chunk loadChunk(int par1, int par2, Runnable runnable)
{
- long k = ChunkCoordIntPair.chunkXZ2Int(par1, par2);
- this.chunksToUnload.remove(Long.valueOf(k));
- Chunk chunk = (Chunk)this.loadedChunkHashMap.getValueByKey(k);
+ this.chunksToUnload.remove(par1, par2);
+ Chunk chunk = (Chunk) this.chunkt_KC.get(chunk_hash(par1,par2)); //KCauldron replacement
+ boolean newChunk = false;
AnvilChunkLoader loader = null;
if (this.currentChunkLoader instanceof AnvilChunkLoader)
@@ -113,6 +179,8 @@
loader = (AnvilChunkLoader) this.currentChunkLoader;
}
+ CauldronHooks.logChunkLoad(this, "Get", par1, par2, true);
+
// We can only use the queue for already generated chunks
if (chunk == null && loader != null && loader.chunkExists(this.worldObj, par1, par2))
{
@@ -142,18 +210,19 @@
public Chunk originalLoadChunk(int p_73158_1_, int p_73158_2_)
{
- long k = ChunkCoordIntPair.chunkXZ2Int(p_73158_1_, p_73158_2_);
- this.chunksToUnload.remove(Long.valueOf(k));
- Chunk chunk = (Chunk)this.loadedChunkHashMap.getValueByKey(k);
+ this.chunksToUnload.remove(p_73158_1_, p_73158_2_);
+ Chunk chunk = (Chunk) this.chunkt_KC.get(chunk_hash(p_73158_1_, p_73158_2_)); //KCauldron replacement
+ boolean newChunk = false; // CraftBukkit
if (chunk == null)
{
- boolean added = loadingChunks.add(k);
+ worldObj.timings.syncChunkLoadTimer.startTiming(); // Spigot
+ boolean added = loadingChunks.add(LongHash.toLong(p_73158_1_, p_73158_2_));
if (!added)
{
cpw.mods.fml.common.FMLLog.bigWarning("There is an attempt to load a chunk (%d,%d) in dimension %d that is already being loaded. This will cause weird chunk breakages.", p_73158_1_, p_73158_2_, worldObj.provider.dimensionId);
}
- chunk = ForgeChunkManager.fetchDormantChunk(k, this.worldObj);
+ chunk = ForgeChunkManager.fetchDormantChunk(LongHash.toLong(p_73158_1_, p_73158_2_), this.worldObj);
if (chunk == null)
{
chunk = this.safeLoadChunk(p_73158_1_, p_73158_2_);
@@ -176,18 +245,53 @@
CrashReport crashreport = CrashReport.makeCrashReport(throwable, "Exception generating new chunk");
CrashReportCategory crashreportcategory = crashreport.makeCategory("Chunk to be generated");
crashreportcategory.addCrashSection("Location", String.format("%d,%d", new Object[] {Integer.valueOf(p_73158_1_), Integer.valueOf(p_73158_2_)}));
- crashreportcategory.addCrashSection("Position hash", Long.valueOf(k));
+ crashreportcategory.addCrashSection("Position hash", LongHash.toLong(p_73158_1_, p_73158_2_));
crashreportcategory.addCrashSection("Generator", this.currentChunkProvider.makeString());
throw new ReportedException(crashreport);
}
}
+
+ newChunk = true; // CraftBukkit
}
- this.loadedChunkHashMap.add(k, chunk);
- this.loadedChunks.add(chunk);
- loadingChunks.remove(k);
- chunk.onChunkLoad();
+ this.loadedChunkHashMap_KC.put(LongHash.toLong(p_73158_1_, p_73158_2_), chunk); this.chunkt_KC.put(chunk_hash(p_73158_1_, p_73158_2_), chunk); //KCauldron - IntHash
+ this.loadedChunks.add(chunk); // Cauldron - vanilla compatibility
+ loadingChunks.remove(LongHash.toLong(p_73158_1_, p_73158_2_)); // Cauldron - LongHash
+
+ if (chunk != null)
+ {
+ chunk.onChunkLoad();
+ }
+ // CraftBukkit start
+ Server server = this.worldObj.getServer();
+
+ if (server != null)
+ {
+ /*
+ * If it's a new world, the first few chunks are generated inside
+ * the World constructor. We can't reliably alter that, so we have
+ * no way of creating a CraftWorld/CraftServer at that point.
+ */
+ server.getPluginManager().callEvent(new org.bukkit.event.world.ChunkLoadEvent(chunk.bukkitChunk, newChunk));
+ }
+
+ // Update neighbor counts
+ for (int x = -2; x < 3; x++) {
+ for (int z = -2; z < 3; z++) {
+ if (x == 0 && z == 0) {
+ continue;
+ }
+
+ Chunk neighbor = this.getChunkIfLoaded(chunk.xPosition + x, chunk.zPosition + z);
+ if (neighbor != null) {
+ neighbor.setNeighborLoaded(-x, -z);
+ chunk.setNeighborLoaded(x, z);
+ }
+ }
+ }
+ // CraftBukkit end
chunk.populateChunk(this, this, p_73158_1_, p_73158_2_);
+ worldObj.timings.syncChunkLoadTimer.stopTiming(); // Spigot
}
return chunk;
@@ -195,11 +299,29 @@
public Chunk provideChunk(int p_73154_1_, int p_73154_2_)
{
- Chunk chunk = (Chunk)this.loadedChunkHashMap.getValueByKey(ChunkCoordIntPair.chunkXZ2Int(p_73154_1_, p_73154_2_));
- return chunk == null ? (!this.worldObj.findingSpawnPoint && !this.loadChunkOnProvideRequest ? this.defaultEmptyChunk : this.loadChunk(p_73154_1_, p_73154_2_)) : chunk;
+ // CraftBukkit start
+ Chunk chunk = (Chunk) this.chunkt_KC.get(chunk_hash(p_73154_1_, p_73154_2_)); //KCauldron replacement
+ chunk = chunk == null ? (shouldLoadChunk() ? this.loadChunk(p_73154_1_, p_73154_2_) : this.defaultEmptyChunk) : chunk; // Cauldron handle forge server tick events and load the chunk within 5 seconds of the world being loaded (for chunk loaders)
+
+ if (chunk == this.defaultEmptyChunk)
+ {
+ return chunk;
+ }
+
+ if ((p_73154_1_ != chunk.xPosition || p_73154_2_ != chunk.zPosition) && !worldObj.isProfilingWorld())
+ {
+ logger.error("Chunk (" + chunk.xPosition + ", " + chunk.zPosition + ") stored at (" + p_73154_1_ + ", " + p_73154_2_ + ") in world '" + worldObj.getWorld().getName() + "'");
+ logger.error(chunk.getClass().getName());
+ Throwable ex = new Throwable();
+ ex.fillInStackTrace();
+ ex.printStackTrace();
+ }
+ chunk.lastAccessedTick = MinecraftServer.getServer().getTickCounter(); // Cauldron
+ return chunk;
+ // CraftBukkit end
}
- private Chunk safeLoadChunk(int p_73239_1_, int p_73239_2_)
+ public Chunk safeLoadChunk(int p_73239_1_, int p_73239_2_) // CraftBukkit - private -> public
{
if (this.currentChunkLoader == null)
{
@@ -209,6 +331,7 @@
{
try
{
+ CauldronHooks.logChunkLoad(this, "Safe Load", p_73239_1_, p_73239_2_, false); // Cauldron
Chunk chunk = this.currentChunkLoader.loadChunk(this.worldObj, p_73239_1_, p_73239_2_);
if (chunk != null)
@@ -217,8 +340,11 @@
if (this.currentChunkProvider != null)
{
+ worldObj.timings.syncChunkLoadStructuresTimer.startTiming(); // Spigot
this.currentChunkProvider.recreateStructures(p_73239_1_, p_73239_2_);
+ worldObj.timings.syncChunkLoadStructuresTimer.stopTiming(); // Spigot
}
+ chunk.lastAccessedTick = MinecraftServer.getServer().getTickCounter(); // Cauldron
}
return chunk;
@@ -231,7 +357,7 @@
}
}
- private void safeSaveExtraChunkData(Chunk p_73243_1_)
+ public void safeSaveExtraChunkData(Chunk p_73243_1_) // CraftBukkit - private -> public
{
if (this.currentChunkLoader != null)
{
@@ -246,7 +372,7 @@
}
}
- private void safeSaveChunk(Chunk p_73242_1_)
+ public void safeSaveChunk(Chunk p_73242_1_) // CraftBukkit - private -> public
{
if (this.currentChunkLoader != null)
{
@@ -254,15 +380,18 @@
{
p_73242_1_.lastSaveTime = this.worldObj.getTotalWorldTime();
this.currentChunkLoader.saveChunk(this.worldObj, p_73242_1_);
+ // CraftBukkit start - IOException to Exception
}
- catch (IOException ioexception)
+ catch (Exception ioexception)
{
logger.error("Couldn\'t save chunk", ioexception);
}
+ /* Remove extra exception
catch (MinecraftException minecraftexception)
{
logger.error("Couldn\'t save chunk; already in use by another instance of Minecraft?", minecraftexception);
}
+ // CraftBukkit end */
}
}
@@ -277,6 +406,35 @@
if (this.currentChunkProvider != null)
{
this.currentChunkProvider.populate(p_73153_1_, p_73153_2_, p_73153_3_);
+ // CraftBukkit start
+ BlockSand.fallInstantly = true;
+ Random random = new Random();
+ random.setSeed(worldObj.getSeed());
+ long xRand = random.nextLong() / 2L * 2L + 1L;
+ long zRand = random.nextLong() / 2L * 2L + 1L;
+ random.setSeed((long) p_73153_2_ * xRand + (long) p_73153_3_ * zRand ^ worldObj.getSeed());
+ org.bukkit.World world = this.worldObj.getWorld();
+
+ if (world != null)
+ {
+ this.worldObj.populating = true;
+
+ try
+ {
+ for (org.bukkit.generator.BlockPopulator populator : world.getPopulators())
+ {
+ populator.populate(world, random, chunk.bukkitChunk);
+ }
+ }
+ finally
+ {
+ this.worldObj.populating = false;
+ }
+ }
+
+ BlockSand.fallInstantly = false;
+ this.worldObj.getServer().getPluginManager().callEvent(new org.bukkit.event.world.ChunkPopulateEvent(chunk.bukkitChunk));
+ // CraftBukkit end
GameRegistry.generateWorld(p_73153_2_, p_73153_3_, worldObj, currentChunkProvider, p_73153_1_);
chunk.setChunkModified();
}
@@ -286,11 +444,13 @@
public boolean saveChunks(boolean p_73151_1_, IProgressUpdate p_73151_2_)
{
int i = 0;
- ArrayList arraylist = Lists.newArrayList(this.loadedChunks);
+ // Cauldron start - use thread-safe method for iterating loaded chunks
+ Object[] chunks = this.loadedChunks.toArray();
- for (int j = 0; j < arraylist.size(); ++j)
+ for (int j = 0; j < chunks.length; ++j)
{
- Chunk chunk = (Chunk)arraylist.get(j);
+ Chunk chunk = (Chunk)chunks[j];
+ //Cauldron end
if (p_73151_1_)
{
@@ -325,36 +485,73 @@
{
if (!this.worldObj.levelSaving)
{
- for (ChunkCoordIntPair forced : this.worldObj.getPersistentChunks().keySet())
+ // Cauldron start - remove any chunk that has a ticket associated with it
+ if (!this.chunksToUnload.isEmpty())
{
- this.chunksToUnload.remove(ChunkCoordIntPair.chunkXZ2Int(forced.chunkXPos, forced.chunkZPos));
+ for (ChunkCoordIntPair forcedChunk : this.worldObj.getPersistentChunks().keys())
+ {
+ this.chunksToUnload.remove(forcedChunk.chunkXPos, forcedChunk.chunkZPos);
+ }
}
+ // Cauldron end
+ // CraftBukkit start
+ Server server = this.worldObj.getServer();
- for (int i = 0; i < 100; ++i)
+ for (int i = 0; i < 100 && !this.chunksToUnload.isEmpty(); i++)
{
- if (!this.chunksToUnload.isEmpty())
+ long chunkcoordinates = this.chunksToUnload.popFirst();
+ Chunk chunk = this.loadedChunkHashMap_KC.get(chunkcoordinates); //Not using the IntMap for this
+
+ if (chunk == null)
{
- Long olong = (Long)this.chunksToUnload.iterator().next();
- Chunk chunk = (Chunk)this.loadedChunkHashMap.getValueByKey(olong.longValue());
+ continue;
+ }
- if (chunk != null)
- {
- chunk.onChunkUnload();
- this.safeSaveChunk(chunk);
- this.safeSaveExtraChunkData(chunk);
- this.loadedChunks.remove(chunk);
- ForgeChunkManager.putDormantChunk(ChunkCoordIntPair.chunkXZ2Int(chunk.xPosition, chunk.zPosition), chunk);
- if(loadedChunks.size() == 0 && ForgeChunkManager.getPersistentChunksFor(this.worldObj).size() == 0 && !DimensionManager.shouldLoadSpawn(this.worldObj.provider.dimensionId)){
- DimensionManager.unloadWorld(this.worldObj.provider.dimensionId);
- return currentChunkProvider.unloadQueuedChunks();
+ // Cauldron static - check if the chunk was accessed recently and keep it loaded if there are players in world
+ if (!shouldUnloadChunk(chunk) && this.worldObj.playerEntities.size() > 0)
+ {
+ CauldronHooks.logChunkUnload(this, chunk.xPosition, chunk.zPosition, "** Chunk kept from unloading due to recent activity");
+ continue;
+ }
+ // Cauldron end
+
+
+ ChunkUnloadEvent event = new ChunkUnloadEvent(chunk.bukkitChunk);
+ server.getPluginManager().callEvent(event);
+
+ if (!event.isCancelled())
+ {
+ CauldronHooks.logChunkUnload(this, chunk.xPosition, chunk.zPosition, "Unloading Chunk at");
+
+ chunk.onChunkUnload();
+ this.safeSaveChunk(chunk);
+ this.safeSaveExtraChunkData(chunk);
+ // Update neighbor counts
+ for (int x = -2; x < 3; x++) {
+ for (int z = -2; z < 3; z++) {
+ if (x == 0 && z == 0) {
+ continue;
+ }
+
+ Chunk neighbor = this.getChunkIfLoaded(chunk.xPosition + x, chunk.zPosition + z);
+ if (neighbor != null) {
+ neighbor.setNeighborUnloaded(-x, -z);
+ chunk.setNeighborUnloaded(x, z);
+ }
}
}
-
- this.chunksToUnload.remove(olong);
- this.loadedChunkHashMap.remove(olong.longValue());
+ this.loadedChunkHashMap_KC.remove(chunkcoordinates); // CraftBukkit
+ this.loadedChunks.remove(chunk); this.chunkt_KC.remove(chunk_hash(chunk.xPosition,chunk.zPosition)); //KCauldron - IntHashMap
+ ForgeChunkManager.putDormantChunk(chunkcoordinates, chunk);
+ if(this.loadedChunkHashMap_KC.size() == 0 && ForgeChunkManager.getPersistentChunksFor(this.worldObj).size() == 0 && !DimensionManager.shouldLoadSpawn(this.worldObj.provider.dimensionId)){
+ DimensionManager.unloadWorld(this.worldObj.provider.dimensionId);
+ return currentChunkProvider.unloadQueuedChunks();
+ }
}
}
+ // CraftBukkit end
+
if (this.currentChunkLoader != null)
{
this.currentChunkLoader.chunkTick();
@@ -371,7 +568,7 @@
public String makeString()
{
- return "ServerChunkCache: " + this.loadedChunkHashMap.getNumHashElements() + " Drop: " + this.chunksToUnload.size();
+ return "ServerChunkCache: " + this.loadedChunkHashMap_KC.size() + " Drop: " + this.chunksToUnload.size(); // Cauldron
}
public List getPossibleCreatures(EnumCreatureType p_73155_1_, int p_73155_2_, int p_73155_3_, int p_73155_4_)
@@ -386,8 +583,31 @@
public int getLoadedChunkCount()
{
- return this.loadedChunkHashMap.getNumHashElements();
+ return this.loadedChunkHashMap_KC.size(); // Cauldron
}
public void recreateStructures(int p_82695_1_, int p_82695_2_) {}
+
+ // Cauldron start
+ private boolean shouldLoadChunk()
+ {
+ return this.worldObj.findingSpawnPoint ||
+ this.loadChunkOnProvideRequest ||
+ (MinecraftServer.callingForgeTick && MinecraftServer.getServer().cauldronConfig.loadChunkOnForgeTick.getValue()) ||
+ (MinecraftServer.currentTick - initialTick <= 100);
+ }
+
+ public long lastAccessed(int x, int z)
+ {
+ int chunkHash = chunk_hash(x,z);
+ if (!chunkt_KC.containsKey(chunkHash)) return 0;
+ return chunkt_KC.get(chunkHash).lastAccessedTick;
+ }
+
+ private boolean shouldUnloadChunk(Chunk chunk)
+ {
+ if (chunk == null) return false;
+ return MinecraftServer.getServer().getTickCounter() - chunk.lastAccessedTick > MinecraftServer.getServer().cauldronConfig.chunkGCGracePeriod.getValue();
+ }
+
+ public static int chunk_hash(int x, int y)
+ {
+ return ((x & 0xFFFF) << 16) | (y & 0xFFFF);
+ }
+ // Cauldron end
}