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papermc/CraftBukkit-Patches/0014-Entity-Activation-Range.patch
md_5 015e038b89 Add back hopper tick scheduling 
Tick a hopper only if certain conditions have changed i.e. inventory changes, redstone updates, etc.
2015-05-27 23:53:59 -05:00

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From 85cee07c274011112875655c5f246974542d17b5 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 3 Feb 2013 05:10:21 -0500
Subject: [PATCH] Entity Activation Range
This feature gives 3 new configurable ranges that if an entity of the matching type is outside of this radius of any player, will tick at 5% of its normal rate.
This will drastically cut down on tick timings for entities that are not in range of a user to actually be "used".
This change can have dramatic impact on gameplay if configured too low. Balance according to your servers desired gameplay.
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index d3c7d1b..ebdcaab 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -89,14 +89,14 @@ public abstract class Entity implements ICommandListener {
public int ticksLived;
public int maxFireTicks;
public int fireTicks; // CraftBukkit - public
- protected boolean inWater;
+ public boolean inWater; // Spigot - protected -> public
public int noDamageTicks;
protected boolean justCreated;
protected boolean fireProof;
protected DataWatcher datawatcher;
private double ar;
private double as;
- public boolean ad;
+ public boolean ad; public boolean isAddedToChunk() { return ad; } // Spigot
public int ae;
public int af;
public int ag;
@@ -115,7 +115,13 @@ public abstract class Entity implements ICommandListener {
public boolean valid; // CraftBukkit
public org.bukkit.projectiles.ProjectileSource projectileSource; // CraftBukkit - For projectiles only
+ // Spigot start
public CustomTimingsHandler tickTimer = org.bukkit.craftbukkit.SpigotTimings.getEntityTimings(this); // Spigot
+ public final byte activationType = org.spigotmc.ActivationRange.initializeEntityActivationType(this);
+ public final boolean defaultActivationState;
+ public long activatedTick = Integer.MIN_VALUE;
+ public void inactiveTick() { }
+ // Spigot end
public int getId() {
return this.id;
@@ -145,7 +151,12 @@ public abstract class Entity implements ICommandListener {
this.setPosition(0.0D, 0.0D, 0.0D);
if (world != null) {
this.dimension = world.worldProvider.getDimension();
+ // Spigot start
+ this.defaultActivationState = org.spigotmc.ActivationRange.initializeEntityActivationState(this, world.spigotConfig);
+ } else {
+ this.defaultActivationState = false;
}
+ // Spigot end
this.datawatcher = new DataWatcher(this);
this.datawatcher.a(0, Byte.valueOf((byte) 0));
diff --git a/src/main/java/net/minecraft/server/EntityAgeable.java b/src/main/java/net/minecraft/server/EntityAgeable.java
index 8a74059..09d4335 100644
--- a/src/main/java/net/minecraft/server/EntityAgeable.java
+++ b/src/main/java/net/minecraft/server/EntityAgeable.java
@@ -9,6 +9,31 @@ public abstract class EntityAgeable extends EntityCreature {
private float bn;
public boolean ageLocked = false; // CraftBukkit
+ // Spigot start
+ @Override
+ public void inactiveTick()
+ {
+ super.inactiveTick();
+ if ( this.world.isClientSide || this.ageLocked )
+ { // CraftBukkit
+ this.a( this.isBaby() );
+ } else
+ {
+ int i = this.getAge();
+
+ if ( i < 0 )
+ {
+ ++i;
+ this.setAgeRaw( i );
+ } else if ( i > 0 )
+ {
+ --i;
+ this.setAgeRaw( i );
+ }
+ }
+ }
+ // Spigot end
+
public EntityAgeable(World world) {
super(world);
}
diff --git a/src/main/java/net/minecraft/server/EntityArrow.java b/src/main/java/net/minecraft/server/EntityArrow.java
index d0e5f11..01c66e3 100644
--- a/src/main/java/net/minecraft/server/EntityArrow.java
+++ b/src/main/java/net/minecraft/server/EntityArrow.java
@@ -15,7 +15,7 @@ public class EntityArrow extends Entity implements IProjectile {
private int f = -1;
private Block g;
private int h;
- private boolean inGround;
+ public boolean inGround = false; // Spigot - private -> public
public int fromPlayer;
public int shake;
public Entity shooter;
@@ -24,6 +24,18 @@ public class EntityArrow extends Entity implements IProjectile {
private double damage = 2.0D;
public int knockbackStrength; // CraftBukkit - public
+ // Spigot Start
+ @Override
+ public void inactiveTick()
+ {
+ if ( this.inGround )
+ {
+ this.ar += 1; // Despawn counter. First int after shooter
+ }
+ super.inactiveTick();
+ }
+ // Spigot End
+
public EntityArrow(World world) {
super(world);
this.j = 10.0D;
diff --git a/src/main/java/net/minecraft/server/EntityFireworks.java b/src/main/java/net/minecraft/server/EntityFireworks.java
index 607608f..02f1603 100644
--- a/src/main/java/net/minecraft/server/EntityFireworks.java
+++ b/src/main/java/net/minecraft/server/EntityFireworks.java
@@ -5,6 +5,15 @@ public class EntityFireworks extends Entity {
private int ticksFlown;
public int expectedLifespan; // CraftBukkit - public
+ // Spigot Start
+ @Override
+ public void inactiveTick()
+ {
+ this.ticksFlown += 1;
+ super.inactiveTick();
+ }
+ // Spigot End
+
public EntityFireworks(World world) {
super(world);
this.setSize(0.25F, 0.25F);
diff --git a/src/main/java/net/minecraft/server/EntityItem.java b/src/main/java/net/minecraft/server/EntityItem.java
index fa7e6df..65a03df 100644
--- a/src/main/java/net/minecraft/server/EntityItem.java
+++ b/src/main/java/net/minecraft/server/EntityItem.java
@@ -122,6 +122,28 @@ public class EntityItem extends Entity {
}
}
+ // Spigot start - copied from above
+ @Override
+ public void inactiveTick() {
+ // CraftBukkit start - Use wall time for pickup and despawn timers
+ int elapsedTicks = MinecraftServer.currentTick - this.lastTick;
+ this.pickupDelay -= elapsedTicks;
+ this.age += elapsedTicks;
+ this.lastTick = MinecraftServer.currentTick;
+ // CraftBukkit end
+
+ if (!this.world.isClientSide && this.age >= world.spigotConfig.itemDespawnRate) { // Spigot
+ // CraftBukkit start - fire ItemDespawnEvent
+ if (org.bukkit.craftbukkit.event.CraftEventFactory.callItemDespawnEvent(this).isCancelled()) {
+ this.age = 0;
+ return;
+ }
+ // CraftBukkit end
+ this.die();
+ }
+ }
+ // Spigot end
+
private void w() {
// Spigot start
double radius = world.spigotConfig.itemMerge;
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 0638f6f..f7ce391 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -89,6 +89,13 @@ public abstract class EntityLiving extends Entity {
public int maxAirTicks = 300;
ArrayList<org.bukkit.inventory.ItemStack> drops = null;
// CraftBukkit end
+ // Spigot start
+ public void inactiveTick()
+ {
+ super.inactiveTick();
+ ++this.ticksFarFromPlayer; // Above all the floats
+ }
+ // Spigot end
public void G() {
this.damageEntity(DamageSource.OUT_OF_WORLD, Float.MAX_VALUE);
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 380df75..f82c0f9 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -1306,6 +1306,7 @@ public abstract class World implements IBlockAccess {
this.g.clear();
this.methodProfiler.c("regular");
+ org.spigotmc.ActivationRange.activateEntities(this); // Spigot
timings.entityTick.startTiming(); // Spigot
// CraftBukkit start - Use field for loop variable
for (this.tickPosition = 0; this.tickPosition < this.entityList.size(); ++this.tickPosition) {
@@ -1480,9 +1481,11 @@ public abstract class World implements IBlockAccess {
int j = MathHelper.floor(entity.locZ);
byte b0 = 32;
- // CraftBukkit start - Use neighbor cache instead of looking up
- Chunk startingChunk = this.getChunkIfLoaded(i >> 4, j >> 4);
- if (!flag || (startingChunk != null && startingChunk.areNeighborsLoaded(2)) /* this.isAreaLoaded(i - b0, 0, j - b0, i + b0, 0, j + b0) */) {
+ // Spigot start
+ if (!org.spigotmc.ActivationRange.checkIfActive(entity)) {
+ entity.ticksLived++;
+ entity.inactiveTick();
+ } else {
entity.tickTimer.startTiming(); // Spigot
// CraftBukkit end
entity.P = entity.locX;
diff --git a/src/main/java/org/bukkit/craftbukkit/SpigotTimings.java b/src/main/java/org/bukkit/craftbukkit/SpigotTimings.java
index 558574f..41d2d87 100644
--- a/src/main/java/org/bukkit/craftbukkit/SpigotTimings.java
+++ b/src/main/java/org/bukkit/craftbukkit/SpigotTimings.java
@@ -39,6 +39,9 @@ public class SpigotTimings {
public static final CustomTimingsHandler playerCommandTimer = new CustomTimingsHandler("** playerCommand");
+ public static final CustomTimingsHandler entityActivationCheckTimer = new CustomTimingsHandler("entityActivationCheck");
+ public static final CustomTimingsHandler checkIfActiveTimer = new CustomTimingsHandler("** checkIfActive");
+
public static final HashMap<String, CustomTimingsHandler> entityTypeTimingMap = new HashMap<String, CustomTimingsHandler>();
public static final HashMap<String, CustomTimingsHandler> tileEntityTypeTimingMap = new HashMap<String, CustomTimingsHandler>();
public static final HashMap<String, CustomTimingsHandler> pluginTaskTimingMap = new HashMap<String, CustomTimingsHandler>();
diff --git a/src/main/java/org/spigotmc/ActivationRange.java b/src/main/java/org/spigotmc/ActivationRange.java
new file mode 100644
index 0000000..d3f4af1
--- /dev/null
+++ b/src/main/java/org/spigotmc/ActivationRange.java
@@ -0,0 +1,284 @@
+package org.spigotmc;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import net.minecraft.server.AxisAlignedBB;
+import net.minecraft.server.Chunk;
+import net.minecraft.server.Entity;
+import net.minecraft.server.EntityAmbient;
+import net.minecraft.server.EntityAnimal;
+import net.minecraft.server.EntityArrow;
+import net.minecraft.server.EntityComplexPart;
+import net.minecraft.server.EntityCreature;
+import net.minecraft.server.EntityEnderCrystal;
+import net.minecraft.server.EntityEnderDragon;
+import net.minecraft.server.EntityFireball;
+import net.minecraft.server.EntityFireworks;
+import net.minecraft.server.EntityHuman;
+import net.minecraft.server.EntityLiving;
+import net.minecraft.server.EntityMonster;
+import net.minecraft.server.EntityProjectile;
+import net.minecraft.server.EntitySheep;
+import net.minecraft.server.EntitySlice;
+import net.minecraft.server.EntitySlime;
+import net.minecraft.server.EntityTNTPrimed;
+import net.minecraft.server.EntityVillager;
+import net.minecraft.server.EntityWeather;
+import net.minecraft.server.EntityWither;
+import net.minecraft.server.MathHelper;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.World;
+import org.bukkit.craftbukkit.SpigotTimings;
+
+public class ActivationRange
+{
+
+ static AxisAlignedBB maxBB = AxisAlignedBB.a( 0, 0, 0, 0, 0, 0 );
+ static AxisAlignedBB miscBB = AxisAlignedBB.a( 0, 0, 0, 0, 0, 0 );
+ static AxisAlignedBB animalBB = AxisAlignedBB.a( 0, 0, 0, 0, 0, 0 );
+ static AxisAlignedBB monsterBB = AxisAlignedBB.a( 0, 0, 0, 0, 0, 0 );
+
+ /**
+ * Initializes an entities type on construction to specify what group this
+ * entity is in for activation ranges.
+ *
+ * @param entity
+ * @return group id
+ */
+ public static byte initializeEntityActivationType(Entity entity)
+ {
+ if ( entity instanceof EntityMonster || entity instanceof EntitySlime )
+ {
+ return 1; // Monster
+ } else if ( entity instanceof EntityCreature || entity instanceof EntityAmbient )
+ {
+ return 2; // Animal
+ } else
+ {
+ return 3; // Misc
+ }
+ }
+
+ /**
+ * These entities are excluded from Activation range checks.
+ *
+ * @param entity
+ * @param world
+ * @return boolean If it should always tick.
+ */
+ public static boolean initializeEntityActivationState(Entity entity, SpigotWorldConfig config)
+ {
+ if ( ( entity.activationType == 3 && config.miscActivationRange == 0 )
+ || ( entity.activationType == 2 && config.animalActivationRange == 0 )
+ || ( entity.activationType == 1 && config.monsterActivationRange == 0 )
+ || entity instanceof EntityHuman
+ || entity instanceof EntityProjectile
+ || entity instanceof EntityEnderDragon
+ || entity instanceof EntityComplexPart
+ || entity instanceof EntityWither
+ || entity instanceof EntityFireball
+ || entity instanceof EntityWeather
+ || entity instanceof EntityTNTPrimed
+ || entity instanceof EntityEnderCrystal
+ || entity instanceof EntityFireworks )
+ {
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Find what entities are in range of the players in the world and set
+ * active if in range.
+ *
+ * @param world
+ */
+ public static void activateEntities(World world)
+ {
+ SpigotTimings.entityActivationCheckTimer.startTiming();
+ final int miscActivationRange = world.spigotConfig.miscActivationRange;
+ final int animalActivationRange = world.spigotConfig.animalActivationRange;
+ final int monsterActivationRange = world.spigotConfig.monsterActivationRange;
+
+ int maxRange = Math.max( monsterActivationRange, animalActivationRange );
+ maxRange = Math.max( maxRange, miscActivationRange );
+ maxRange = Math.min( ( world.spigotConfig.viewDistance << 4 ) - 8, maxRange );
+
+ for ( Entity player : (List<Entity>) world.players )
+ {
+
+ player.activatedTick = MinecraftServer.currentTick;
+ maxBB = player.getBoundingBox().grow( maxRange, 256, maxRange );
+ miscBB = player.getBoundingBox().grow( miscActivationRange, 256, miscActivationRange );
+ animalBB = player.getBoundingBox().grow( animalActivationRange, 256, animalActivationRange );
+ monsterBB = player.getBoundingBox().grow( monsterActivationRange, 256, monsterActivationRange );
+
+ int i = MathHelper.floor( maxBB.a / 16.0D );
+ int j = MathHelper.floor( maxBB.d / 16.0D );
+ int k = MathHelper.floor( maxBB.c / 16.0D );
+ int l = MathHelper.floor( maxBB.f / 16.0D );
+
+ for ( int i1 = i; i1 <= j; ++i1 )
+ {
+ for ( int j1 = k; j1 <= l; ++j1 )
+ {
+ if ( world.getWorld().isChunkLoaded( i1, j1 ) )
+ {
+ activateChunkEntities( world.getChunkAt( i1, j1 ) );
+ }
+ }
+ }
+ }
+ SpigotTimings.entityActivationCheckTimer.stopTiming();
+ }
+
+ /**
+ * Checks for the activation state of all entities in this chunk.
+ *
+ * @param chunk
+ */
+ private static void activateChunkEntities(Chunk chunk)
+ {
+ for ( EntitySlice slice : chunk.entitySlices )
+ {
+ for ( Entity entity : (Set<Entity>) slice )
+ {
+ if ( MinecraftServer.currentTick > entity.activatedTick )
+ {
+ if ( entity.defaultActivationState )
+ {
+ entity.activatedTick = MinecraftServer.currentTick;
+ continue;
+ }
+ switch ( entity.activationType )
+ {
+ case 1:
+ if ( monsterBB.b( entity.getBoundingBox() ) )
+ {
+ entity.activatedTick = MinecraftServer.currentTick;
+ }
+ break;
+ case 2:
+ if ( animalBB.b( entity.getBoundingBox() ) )
+ {
+ entity.activatedTick = MinecraftServer.currentTick;
+ }
+ break;
+ case 3:
+ default:
+ if ( miscBB.b( entity.getBoundingBox() ) )
+ {
+ entity.activatedTick = MinecraftServer.currentTick;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * If an entity is not in range, do some more checks to see if we should
+ * give it a shot.
+ *
+ * @param entity
+ * @return
+ */
+ public static boolean checkEntityImmunities(Entity entity)
+ {
+ // quick checks.
+ if ( entity.inWater /* isInWater */ || entity.fireTicks > 0 )
+ {
+ return true;
+ }
+ if ( !( entity instanceof EntityArrow ) )
+ {
+ if ( !entity.onGround || entity.passenger != null
+ || entity.vehicle != null )
+ {
+ return true;
+ }
+ } else if ( !( (EntityArrow) entity ).inGround )
+ {
+ return true;
+ }
+ // special cases.
+ if ( entity instanceof EntityLiving )
+ {
+ EntityLiving living = (EntityLiving) entity;
+ if ( /*TODO: Missed mapping? living.attackTicks > 0 || */ living.hurtTicks > 0 || living.effects.size() > 0 )
+ {
+ return true;
+ }
+ if ( entity instanceof EntityCreature && ( (EntityCreature) entity ).getGoalTarget() != null )
+ {
+ return true;
+ }
+ if ( entity instanceof EntityVillager && ( (EntityVillager) entity ).ck() /* Getter for first boolean */ )
+ {
+ return true;
+ }
+ if ( entity instanceof EntityAnimal )
+ {
+ EntityAnimal animal = (EntityAnimal) entity;
+ if ( animal.isBaby() || animal.cp() /*love*/ )
+ {
+ return true;
+ }
+ if ( entity instanceof EntitySheep && ( (EntitySheep) entity ).isSheared() )
+ {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Checks if the entity is active for this tick.
+ *
+ * @param entity
+ * @return
+ */
+ public static boolean checkIfActive(Entity entity)
+ {
+ SpigotTimings.checkIfActiveTimer.startTiming();
+ // Never safe to skip fireworks or entities not yet added to chunk
+ if ( !entity.isAddedToChunk() || entity instanceof EntityFireworks ) {
+ SpigotTimings.checkIfActiveTimer.stopTiming();
+ return true;
+ }
+
+ boolean isActive = entity.activatedTick >= MinecraftServer.currentTick || entity.defaultActivationState;
+
+ // Should this entity tick?
+ if ( !isActive )
+ {
+ if ( ( MinecraftServer.currentTick - entity.activatedTick - 1 ) % 20 == 0 )
+ {
+ // Check immunities every 20 ticks.
+ if ( checkEntityImmunities( entity ) )
+ {
+ // Triggered some sort of immunity, give 20 full ticks before we check again.
+ entity.activatedTick = MinecraftServer.currentTick + 20;
+ }
+ isActive = true;
+ }
+ // Add a little performance juice to active entities. Skip 1/4 if not immune.
+ } else if ( !entity.defaultActivationState && entity.ticksLived % 4 == 0 && !checkEntityImmunities( entity ) )
+ {
+ isActive = false;
+ }
+ int x = MathHelper.floor( entity.locX );
+ int z = MathHelper.floor( entity.locZ );
+ // Make sure not on edge of unloaded chunk
+ Chunk chunk = entity.world.getChunkIfLoaded( x >> 4, z >> 4 );
+ if ( isActive && !( chunk != null && chunk.areNeighborsLoaded( 1 ) ) )
+ {
+ isActive = false;
+ }
+ SpigotTimings.checkIfActiveTimer.stopTiming();
+ return isActive;
+ }
+}
diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
index a85800d..da8563b 100644
--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
+++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
@@ -140,4 +140,15 @@ public class SpigotWorldConfig
mobSpawnRange = (byte) getInt( "mob-spawn-range", 4 );
log( "Mob Spawn Range: " + mobSpawnRange );
}
+
+ public int animalActivationRange = 32;
+ public int monsterActivationRange = 32;
+ public int miscActivationRange = 16;
+ private void activationRange()
+ {
+ animalActivationRange = getInt( "entity-activation-range.animals", animalActivationRange );
+ monsterActivationRange = getInt( "entity-activation-range.monsters", monsterActivationRange );
+ miscActivationRange = getInt( "entity-activation-range.misc", miscActivationRange );
+ log( "Entity Activation Range: An " + animalActivationRange + " / Mo " + monsterActivationRange + " / Mi " + miscActivationRange );
+ }
}
--
2.1.4
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