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1.7.10
Tenet/patches/net/minecraft/entity/EntityTracker.java.patch
T
Mgazul 95982076d2 He is back
2020-10-30 11:35:16 +08:00

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--- ../src-base/minecraft/net/minecraft/entity/EntityTracker.java
+++ ../src-work/minecraft/net/minecraft/entity/EntityTracker.java
@@ -3,6 +3,7 @@
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
+import java.util.Collections;
import java.util.Set;
import java.util.concurrent.Callable;
import net.minecraft.crash.CrashReport;
@@ -38,322 +39,372 @@
import net.minecraft.world.chunk.Chunk;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
+import net.minecraft.server.MinecraftServer; // Spigot
import cpw.mods.fml.common.registry.EntityRegistry;
public class EntityTracker
{
- private static final Logger logger = LogManager.getLogger();
- private final WorldServer theWorld;
- private Set trackedEntities = new HashSet();
- private IntHashMap trackedEntityIDs = new IntHashMap();
- private int entityViewDistance;
- private static final String __OBFID = "CL_00001431";
+ private static final Logger logger = LogManager.getLogger();
+ private final WorldServer theWorld;
+ private Set<EntityTrackerEntry> trackedEntities = new HashSet<EntityTrackerEntry>();
+ private final java.util.concurrent.locks.ReentrantLock trackerLock = new java.util.concurrent.locks.ReentrantLock(); // Thermos - prevent entity tracking crashes
- public EntityTracker(WorldServer p_i1516_1_)
- {
- this.theWorld = p_i1516_1_;
- this.entityViewDistance = p_i1516_1_.func_73046_m().getConfigurationManager().getEntityViewDistance();
- }
+ public IntHashMap trackedEntityIDs = new IntHashMap(); // CraftBukkit - private -> public
+ private int entityViewDistance;
+ private static final String __OBFID = "CL_00001431";
- public void addEntityToTracker(Entity p_72786_1_)
- {
- if (EntityRegistry.instance().tryTrackingEntity(this, p_72786_1_))
- {
- return;
- }
+ public EntityTracker(WorldServer p_i1516_1_)
+ {
+ this.theWorld = p_i1516_1_;
+ this.entityViewDistance = p_i1516_1_.func_73046_m().getConfigurationManager().getEntityViewDistance();
+ }
- if (p_72786_1_ instanceof EntityPlayerMP)
- {
- this.addEntityToTracker(p_72786_1_, 512, 2);
- EntityPlayerMP entityplayermp = (EntityPlayerMP)p_72786_1_;
- Iterator iterator = this.trackedEntities.iterator();
+ public void waitForLock()
+ {
+ int counter = 0;
+ while(this.trackerLock.isLocked())
+ {
+ try
+ {
+ counter += 1;
+ if(counter >= 100)
+ {
+ unlock();
+ break;
+ }
+ Thread.sleep(100L);
+ }
+ catch(Exception e)
+ {
- while (iterator.hasNext())
- {
- EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry)iterator.next();
+ }
+ }
+ }
+ public void lock()
+ {
+ this.trackerLock.lock();
+ }
+ public void unlock()
+ {
+ if(!this.trackerLock.isLocked()) return;
+ this.trackerLock.unlock();
+ }
- if (entitytrackerentry.myEntity != entityplayermp)
- {
- entitytrackerentry.tryStartWachingThis(entityplayermp);
- }
- }
- }
- else if (p_72786_1_ instanceof EntityFishHook)
- {
- this.addEntityToTracker(p_72786_1_, 64, 5, true);
- }
- else if (p_72786_1_ instanceof EntityArrow)
- {
- this.addEntityToTracker(p_72786_1_, 64, 20, false);
- }
- else if (p_72786_1_ instanceof EntitySmallFireball)
- {
- this.addEntityToTracker(p_72786_1_, 64, 10, false);
- }
- else if (p_72786_1_ instanceof EntityFireball)
- {
- this.addEntityToTracker(p_72786_1_, 64, 10, false);
- }
- else if (p_72786_1_ instanceof EntitySnowball)
- {
- this.addEntityToTracker(p_72786_1_, 64, 10, true);
- }
- else if (p_72786_1_ instanceof EntityEnderPearl)
- {
- this.addEntityToTracker(p_72786_1_, 64, 10, true);
- }
- else if (p_72786_1_ instanceof EntityEnderEye)
- {
- this.addEntityToTracker(p_72786_1_, 64, 4, true);
- }
- else if (p_72786_1_ instanceof EntityEgg)
- {
- this.addEntityToTracker(p_72786_1_, 64, 10, true);
- }
- else if (p_72786_1_ instanceof EntityPotion)
- {
- this.addEntityToTracker(p_72786_1_, 64, 10, true);
- }
- else if (p_72786_1_ instanceof EntityExpBottle)
- {
- this.addEntityToTracker(p_72786_1_, 64, 10, true);
- }
- else if (p_72786_1_ instanceof EntityFireworkRocket)
- {
- this.addEntityToTracker(p_72786_1_, 64, 10, true);
- }
- else if (p_72786_1_ instanceof EntityItem)
- {
- this.addEntityToTracker(p_72786_1_, 64, 20, true);
- }
- else if (p_72786_1_ instanceof EntityMinecart)
- {
- this.addEntityToTracker(p_72786_1_, 80, 3, true);
- }
- else if (p_72786_1_ instanceof EntityBoat)
- {
- this.addEntityToTracker(p_72786_1_, 80, 3, true);
- }
- else if (p_72786_1_ instanceof EntitySquid)
- {
- this.addEntityToTracker(p_72786_1_, 64, 3, true);
- }
- else if (p_72786_1_ instanceof EntityWither)
- {
- this.addEntityToTracker(p_72786_1_, 80, 3, false);
- }
- else if (p_72786_1_ instanceof EntityBat)
- {
- this.addEntityToTracker(p_72786_1_, 80, 3, false);
- }
- else if (p_72786_1_ instanceof IAnimals)
- {
- this.addEntityToTracker(p_72786_1_, 80, 3, true);
- }
- else if (p_72786_1_ instanceof EntityDragon)
- {
- this.addEntityToTracker(p_72786_1_, 160, 3, true);
- }
- else if (p_72786_1_ instanceof EntityTNTPrimed)
- {
- this.addEntityToTracker(p_72786_1_, 160, 10, true);
- }
- else if (p_72786_1_ instanceof EntityFallingBlock)
- {
- this.addEntityToTracker(p_72786_1_, 160, 20, true);
- }
- else if (p_72786_1_ instanceof EntityHanging)
- {
- this.addEntityToTracker(p_72786_1_, 160, Integer.MAX_VALUE, false);
- }
- else if (p_72786_1_ instanceof EntityXPOrb)
- {
- this.addEntityToTracker(p_72786_1_, 160, 20, true);
- }
- else if (p_72786_1_ instanceof EntityEnderCrystal)
- {
- this.addEntityToTracker(p_72786_1_, 256, Integer.MAX_VALUE, false);
- }
- }
+ public void addEntityToTracker(Entity p_72786_1_)
+ {
+ if (EntityRegistry.instance().tryTrackingEntity(this, p_72786_1_))
+ {
+ return;
+ }
- public void addEntityToTracker(Entity p_72791_1_, int p_72791_2_, int p_72791_3_)
- {
- this.addEntityToTracker(p_72791_1_, p_72791_2_, p_72791_3_, false);
- }
+ if (p_72786_1_ instanceof EntityPlayerMP)
+ {
+ this.addEntityToTracker(p_72786_1_, 512, 2);
+ EntityPlayerMP entityplayermp = (EntityPlayerMP)p_72786_1_;
- public void addEntityToTracker(Entity p_72785_1_, int p_72785_2_, final int p_72785_3_, boolean p_72785_4_)
- {
- if (p_72785_2_ > this.entityViewDistance)
- {
- p_72785_2_ = this.entityViewDistance;
- }
+ waitForLock(); // Themrmos Tracker Crash Prevention
+ lock(); // TTCP
- try
- {
- if (this.trackedEntityIDs.containsItem(p_72785_1_.getEntityId()))
- {
- throw new IllegalStateException("Entity is already tracked!");
- }
+ for(EntityTrackerEntry entitytrackerentry : this.trackedEntities)
+ {
+ if (entitytrackerentry != null && entitytrackerentry.myEntity != entityplayermp)
+ {
+ entitytrackerentry.tryStartWachingThis(entityplayermp);
+ }
+ }
- EntityTrackerEntry entitytrackerentry = new EntityTrackerEntry(p_72785_1_, p_72785_2_, p_72785_3_, p_72785_4_);
- this.trackedEntities.add(entitytrackerentry);
- this.trackedEntityIDs.addKey(p_72785_1_.getEntityId(), entitytrackerentry);
- entitytrackerentry.sendEventsToPlayers(this.theWorld.playerEntities);
- }
- catch (Throwable throwable)
- {
- CrashReport crashreport = CrashReport.makeCrashReport(throwable, "Adding entity to track");
- CrashReportCategory crashreportcategory = crashreport.makeCategory("Entity To Track");
- crashreportcategory.addCrashSection("Tracking range", p_72785_2_ + " blocks");
- crashreportcategory.addCrashSectionCallable("Update interval", new Callable()
- {
- private static final String __OBFID = "CL_00001432";
- public String call()
- {
- String s = "Once per " + p_72785_3_ + " ticks";
+ unlock();// TTCP
+ }
+ else if (p_72786_1_ instanceof EntityFishHook)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 5, true);
+ }
+ else if (p_72786_1_ instanceof EntityArrow)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 20, false);
+ }
+ else if (p_72786_1_ instanceof EntitySmallFireball)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 10, false);
+ }
+ else if (p_72786_1_ instanceof EntityFireball)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 10, false);
+ }
+ else if (p_72786_1_ instanceof EntitySnowball)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 10, true);
+ }
+ else if (p_72786_1_ instanceof EntityEnderPearl)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 10, true);
+ }
+ else if (p_72786_1_ instanceof EntityEnderEye)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 4, true);
+ }
+ else if (p_72786_1_ instanceof EntityEgg)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 10, true);
+ }
+ else if (p_72786_1_ instanceof EntityPotion)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 10, true);
+ }
+ else if (p_72786_1_ instanceof EntityExpBottle)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 10, true);
+ }
+ else if (p_72786_1_ instanceof EntityFireworkRocket)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 10, true);
+ }
+ else if (p_72786_1_ instanceof EntityItem)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 20, true);
+ }
+ else if (p_72786_1_ instanceof EntityMinecart)
+ {
+ this.addEntityToTracker(p_72786_1_, 80, 3, true);
+ }
+ else if (p_72786_1_ instanceof EntityBoat)
+ {
+ this.addEntityToTracker(p_72786_1_, 80, 3, true);
+ }
+ else if (p_72786_1_ instanceof EntitySquid)
+ {
+ this.addEntityToTracker(p_72786_1_, 64, 3, true);
+ }
+ else if (p_72786_1_ instanceof EntityWither)
+ {
+ this.addEntityToTracker(p_72786_1_, 80, 3, false);
+ }
+ else if (p_72786_1_ instanceof EntityBat)
+ {
+ this.addEntityToTracker(p_72786_1_, 80, 3, false);
+ }
+ else if (p_72786_1_ instanceof IAnimals)
+ {
+ this.addEntityToTracker(p_72786_1_, 80, 3, true);
+ }
+ else if (p_72786_1_ instanceof EntityDragon)
+ {
+ this.addEntityToTracker(p_72786_1_, 160, 3, true);
+ }
+ else if (p_72786_1_ instanceof EntityTNTPrimed)
+ {
+ this.addEntityToTracker(p_72786_1_, 160, 10, true);
+ }
+ else if (p_72786_1_ instanceof EntityFallingBlock)
+ {
+ this.addEntityToTracker(p_72786_1_, 160, 20, true);
+ }
+ else if (p_72786_1_ instanceof EntityHanging)
+ {
+ this.addEntityToTracker(p_72786_1_, 160, Integer.MAX_VALUE, false);
+ }
+ else if (p_72786_1_ instanceof EntityXPOrb)
+ {
+ this.addEntityToTracker(p_72786_1_, 160, 20, true);
+ }
+ else if (p_72786_1_ instanceof EntityEnderCrystal)
+ {
+ this.addEntityToTracker(p_72786_1_, 256, Integer.MAX_VALUE, false);
+ }
+ }
- if (p_72785_3_ == Integer.MAX_VALUE)
- {
- s = "Maximum (" + s + ")";
- }
+ public void addEntityToTracker(Entity p_72791_1_, int p_72791_2_, int p_72791_3_)
+ {
+ this.addEntityToTracker(p_72791_1_, p_72791_2_, p_72791_3_, false);
+ }
- return s;
- }
- });
- p_72785_1_.addEntityCrashInfo(crashreportcategory);
- CrashReportCategory crashreportcategory1 = crashreport.makeCategory("Entity That Is Already Tracked");
- ((EntityTrackerEntry)this.trackedEntityIDs.lookup(p_72785_1_.getEntityId())).myEntity.addEntityCrashInfo(crashreportcategory1);
+ public synchronized void addEntityToTracker(Entity p_72785_1_, int p_72785_2_, final int p_72785_3_, boolean p_72785_4_)
+ {
+ p_72785_2_ = org.spigotmc.TrackingRange.getEntityTrackingRange(p_72785_1_, p_72785_2_); // Spigot
+ if (p_72785_2_ > this.entityViewDistance)
+ {
+ p_72785_2_ = this.entityViewDistance;
+ }
- try
- {
- throw new ReportedException(crashreport);
- }
- catch (ReportedException reportedexception)
- {
- logger.error("\"Silently\" catching entity tracking error.", reportedexception);
- }
- }
- }
+ try
+ {
+ if (this.trackedEntityIDs.containsItem(p_72785_1_.getEntityId()))
+ {
+ removeEntityFromAllTrackingPlayers(p_72785_1_);
+ System.out.println("[Thermos] Entity tracking error corection code activated...re-adding");
+ addEntityToTracker(p_72785_1_, p_72785_2_, p_72785_3_, p_72785_4_);
+ return;
+ }
+
+ EntityTrackerEntry entitytrackerentry = new EntityTrackerEntry(p_72785_1_, p_72785_2_, p_72785_3_, p_72785_4_);
- public void removeEntityFromAllTrackingPlayers(Entity p_72790_1_)
- {
- if (p_72790_1_ instanceof EntityPlayerMP)
- {
- EntityPlayerMP entityplayermp = (EntityPlayerMP)p_72790_1_;
- Iterator iterator = this.trackedEntities.iterator();
+ waitForLock(); lock();// TTCP
+ this.trackedEntities.add(entitytrackerentry);
+ unlock();// TTCP
- while (iterator.hasNext())
- {
- EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry)iterator.next();
- entitytrackerentry.removeFromWatchingList(entityplayermp);
- }
- }
+ this.trackedEntityIDs.addKey(p_72785_1_.getEntityId(), entitytrackerentry);
+ entitytrackerentry.sendEventsToPlayers(this.theWorld.playerEntities);
- EntityTrackerEntry entitytrackerentry1 = (EntityTrackerEntry)this.trackedEntityIDs.removeObject(p_72790_1_.getEntityId());
- if (entitytrackerentry1 != null)
- {
- this.trackedEntities.remove(entitytrackerentry1);
- entitytrackerentry1.informAllAssociatedPlayersOfItemDestruction();
- }
- }
+ }
+ catch (Throwable throwable)
+ {
+ unlock(); // TTCP
- public void updateTrackedEntities()
- {
- ArrayList arraylist = new ArrayList();
- Iterator iterator = this.trackedEntities.iterator();
+ CrashReport crashreport = CrashReport.makeCrashReport(throwable, "Adding entity to track");
+ CrashReportCategory crashreportcategory = crashreport.makeCategory("Entity To Track");
+ crashreportcategory.addCrashSection("Tracking range", p_72785_2_ + " blocks");
+ crashreportcategory.addCrashSectionCallable("Update interval", new Callable()
+ {
+ private static final String __OBFID = "CL_00001432";
+ public String call()
+ {
+ String s = "Once per " + p_72785_3_ + " ticks";
- while (iterator.hasNext())
- {
- EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry)iterator.next();
- entitytrackerentry.sendLocationToAllClients(this.theWorld.playerEntities);
+ if (p_72785_3_ == Integer.MAX_VALUE)
+ {
+ s = "Maximum (" + s + ")";
+ }
- if (entitytrackerentry.playerEntitiesUpdated && entitytrackerentry.myEntity instanceof EntityPlayerMP)
- {
- arraylist.add((EntityPlayerMP)entitytrackerentry.myEntity);
- }
- }
+ return s;
+ }
+ });
+ p_72785_1_.addEntityCrashInfo(crashreportcategory);
+ CrashReportCategory crashreportcategory1 = crashreport.makeCategory("Entity That Is Already Tracked");
+ try {
+ ((EntityTrackerEntry)this.trackedEntityIDs.lookup(p_72785_1_.getEntityId())).myEntity.addEntityCrashInfo(crashreportcategory1);
+ } catch(Exception ignored) {}
- for (int i = 0; i < arraylist.size(); ++i)
- {
- EntityPlayerMP entityplayermp = (EntityPlayerMP)arraylist.get(i);
- Iterator iterator1 = this.trackedEntities.iterator();
+ try
+ {
+ throw new ReportedException(crashreport);
+ }
+ catch (ReportedException reportedexception)
+ {
+ logger.error("\"Silently\" catching entity tracking error.", reportedexception);
+ }
+ }
+ }
- while (iterator1.hasNext())
- {
- EntityTrackerEntry entitytrackerentry1 = (EntityTrackerEntry)iterator1.next();
+ public void removeEntityFromAllTrackingPlayers(Entity p_72790_1_)
+ {
+ if (p_72790_1_ instanceof EntityPlayerMP)
+ {
+ EntityPlayerMP entityplayermp = (EntityPlayerMP)p_72790_1_;
+ waitForLock();lock();// TTCP
+ for(EntityTrackerEntry entitytrackerentry : this.trackedEntities )
+ {
+ if (entitytrackerentry != null)
+ entitytrackerentry.removeFromWatchingList(entityplayermp);
+ }
+ unlock();// TTCP
+ }
- if (entitytrackerentry1.myEntity != entityplayermp)
- {
- entitytrackerentry1.tryStartWachingThis(entityplayermp);
- }
- }
- }
- }
+ EntityTrackerEntry entitytrackerentry1 = (EntityTrackerEntry)this.trackedEntityIDs.removeObject(p_72790_1_.getEntityId());
- public void func_151247_a(Entity p_151247_1_, Packet p_151247_2_)
- {
- EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry)this.trackedEntityIDs.lookup(p_151247_1_.getEntityId());
+ if (entitytrackerentry1 != null)
+ {
+ waitForLock();lock();// TTCP
+ this.trackedEntities.remove(entitytrackerentry1);
+ unlock();// TTCP
+ entitytrackerentry1.informAllAssociatedPlayersOfItemDestruction();
+ }
+ }
- if (entitytrackerentry != null)
- {
- entitytrackerentry.func_151259_a(p_151247_2_);
- }
- }
+ public void updateTrackedEntities()
+ {
+ waitForLock();lock();// TTCP
+ ArrayList arraylist = new ArrayList((int)(this.trackedEntities.size() *1.5) + 1);
+ for (EntityTrackerEntry entitytrackerentry : this.trackedEntities)
+ {
+ if (entitytrackerentry != null) {
+ entitytrackerentry.sendLocationToAllClients(this.theWorld.playerEntities);
- public void func_151248_b(Entity p_151248_1_, Packet p_151248_2_)
- {
- EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry)this.trackedEntityIDs.lookup(p_151248_1_.getEntityId());
+ if (entitytrackerentry.playerEntitiesUpdated && entitytrackerentry.myEntity instanceof EntityPlayerMP)
+ {
+ arraylist.add(entitytrackerentry.myEntity);
+ }
+ }
+ }
+ unlock();
- if (entitytrackerentry != null)
- {
- entitytrackerentry.func_151261_b(p_151248_2_);
- }
- }
+ for (int i = 0; i < arraylist.size(); ++i)
+ {
+ EntityPlayerMP entityplayermp = (EntityPlayerMP)arraylist.get(i);
+ waitForLock(); lock();// TTCP
+ for(EntityTrackerEntry entitytrackerentry1 : this.trackedEntities)
+ {
- public void removePlayerFromTrackers(EntityPlayerMP p_72787_1_)
- {
- Iterator iterator = this.trackedEntities.iterator();
+ if (entitytrackerentry1 != null && entitytrackerentry1.myEntity != entityplayermp)
+ {
+ entitytrackerentry1.tryStartWachingThis(entityplayermp);
+ }
+ }
+ unlock();// TTCP
+ }
+ }
- while (iterator.hasNext())
- {
- EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry)iterator.next();
- entitytrackerentry.removePlayerFromTracker(p_72787_1_);
- }
- }
+ public void func_151247_a(Entity p_151247_1_, Packet p_151247_2_)
+ {
+ EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry)this.trackedEntityIDs.lookup(p_151247_1_.getEntityId());
- public void func_85172_a(EntityPlayerMP p_85172_1_, Chunk p_85172_2_)
- {
- Iterator iterator = this.trackedEntities.iterator();
+ if (entitytrackerentry != null)
+ {
+ entitytrackerentry.func_151259_a(p_151247_2_);
+ }
+ }
- while (iterator.hasNext())
- {
- EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry)iterator.next();
+ public void func_151248_b(Entity p_151248_1_, Packet p_151248_2_)
+ {
+ EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry)this.trackedEntityIDs.lookup(p_151248_1_.getEntityId());
- if (entitytrackerentry.myEntity != p_85172_1_ && entitytrackerentry.myEntity.chunkCoordX == p_85172_2_.xPosition && entitytrackerentry.myEntity.chunkCoordZ == p_85172_2_.zPosition)
- {
- entitytrackerentry.tryStartWachingThis(p_85172_1_);
- }
- }
- }
-
- /* ======================================== FORGE START =====================================*/
-
- // don't expose the EntityTrackerEntry directly so mods can't mess with the data in there as easily
- /**
- * Get all players tracking the given Entity. The Entity must be part of the World that this Tracker belongs to.
- * @param entity the Entity
- * @return all players tracking the Entity
- */
- public Set<net.minecraft.entity.player.EntityPlayer> getTrackingPlayers(Entity entity)
- {
- EntityTrackerEntry entry = (EntityTrackerEntry) trackedEntityIDs.lookup(entity.getEntityId());
- if (entry == null)
- return java.util.Collections.emptySet();
- else
- return java.util.Collections.unmodifiableSet(entry.trackingPlayers);
- }
-
- /* ======================================== FORGE END =====================================*/
+ if (entitytrackerentry != null)
+ {
+ entitytrackerentry.func_151261_b(p_151248_2_);
+ }
+ }
+
+ public void removePlayerFromTrackers(EntityPlayerMP p_72787_1_)
+ {
+ waitForLock(); lock(); // TTCP
+ for (EntityTrackerEntry entitytrackerentry: this.trackedEntities)
+ {
+ if (entitytrackerentry != null)
+ entitytrackerentry.removePlayerFromTracker(p_72787_1_);
+ }
+ unlock();// TTCP
+ }
+
+ public void func_85172_a(EntityPlayerMP p_85172_1_, Chunk p_85172_2_)
+ {
+ waitForLock();lock();// TTCP
+ for (EntityTrackerEntry entitytrackerentry : this.trackedEntities)
+ {
+ if (entitytrackerentry != null && entitytrackerentry.myEntity != p_85172_1_ && entitytrackerentry.myEntity.chunkCoordX == p_85172_2_.xPosition && entitytrackerentry.myEntity.chunkCoordZ == p_85172_2_.zPosition)
+ {
+ entitytrackerentry.tryStartWachingThis(p_85172_1_);
+ }
+ }
+ unlock();// TTCP
+ }
+
+ /* ======================================== FORGE START =====================================*/
+
+ // don't expose the EntityTrackerEntry directly so mods can't mess with the data in there as easily
+ /**
+ * Get all players tracking the given Entity. The Entity must be part of the World that this Tracker belongs to.
+ * @param entity the Entity
+ * @return all players tracking the Entity
+ */
+ public Set<net.minecraft.entity.player.EntityPlayer> getTrackingPlayers(Entity entity)
+ {
+ EntityTrackerEntry entry = (EntityTrackerEntry) trackedEntityIDs.lookup(entity.getEntityId());
+ if (entry == null)
+ return java.util.Collections.emptySet();
+ else
+ return java.util.Collections.unmodifiableSet(entry.trackingPlayers);
+ }
+
+ /* ======================================== FORGE END =====================================*/
}
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