Paper/Spigot-Server-Patches/0022-Optimize-TileEntity-Ticking.patch

From fe6d356b654fa7db3d8af58223ee4fb0ab50698a Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 8 Mar 2015 22:55:25 -0600
Subject: [PATCH] Optimize TileEntity Ticking


diff --git a/src/main/java/net/minecraft/server/TileEntityChest.java b/src/main/java/net/minecraft/server/TileEntityChest.java
index 5eb55e5..5192d95 100644
--- a/src/main/java/net/minecraft/server/TileEntityChest.java
+++ b/src/main/java/net/minecraft/server/TileEntityChest.java
@@ -8,17 +8,17 @@ import org.bukkit.craftbukkit.entity.CraftHumanEntity;
 import org.bukkit.entity.HumanEntity;
 // CraftBukkit end
 
-public class TileEntityChest extends TileEntityContainer implements IUpdatePlayerListBox, IInventory {
+public class TileEntityChest extends TileEntityContainer implements IInventory { // PaperSpigot - remove IUpdatePlayerListBox
 
     private ItemStack[] items = new ItemStack[27];
     public boolean a;
-    public TileEntityChest f;
-    public TileEntityChest g;
-    public TileEntityChest h;
-    public TileEntityChest i;
-    public float j;
+    public TileEntityChest f; // PaperSpigot - adjacentChestZNeg
+    public TileEntityChest g; // PaperSpigot - adjacentChestXPos
+    public TileEntityChest h; // PaperSpigot - adjacentChestXNeg
+    public TileEntityChest i; // PaperSpigot - adjacentChestZPos
+    public float j; // PaperSpigot - lidAngle
     public float k;
-    public int l;
+    public int l; // PaperSpigot - numPlayersUsing
     private int n;
     private int o = -1;
     private String p;
@@ -238,6 +238,8 @@ public class TileEntityChest extends TileEntityContainer implements IUpdatePlaye
     }
 
     public void c() {
+        // PaperSpigot - Move chest sounds out of the tick loop
+        /*
         this.m();
         int i = this.position.getX();
         int j = this.position.getY();
@@ -318,7 +320,8 @@ public class TileEntityChest extends TileEntityContainer implements IUpdatePlaye
                 this.j = 0.0F;
             }
         }
-
+        */
+        // PaperSpigot end
     }
 
     public boolean c(int i, int j) {
@@ -339,6 +342,28 @@ public class TileEntityChest extends TileEntityContainer implements IUpdatePlaye
 
             ++this.l;
             if (this.world == null) return; // CraftBukkit
+
+            // PaperSpigot start - Move chest open sound out of the tick loop
+            this.m();
+
+            if (this.l > 0 && this.j == 0.0F && this.f == null && this.h == null) {
+                this.j = 0.7F;
+
+                double d0 = (double) this.position.getZ() + 0.5D;
+                double d1 = (double) this.position.getX() + 0.5D;
+
+                if (this.i != null) {
+                    d0 += 0.5D;
+                }
+
+                if (this.g != null) {
+                    d1 += 0.5D;
+                }
+
+                this.world.makeSound(d1, (double) this.position.getY() + 0.5D, d0, "random.chestopen", 0.5F, this.world.random.nextFloat() * 0.1F + 0.9F);
+            }
+            // PaperSpigot end
+
             this.world.playBlockAction(this.position, this.w(), 1, this.l);
 
             // CraftBukkit start - Call redstone event
@@ -361,6 +386,33 @@ public class TileEntityChest extends TileEntityContainer implements IUpdatePlaye
             int oldPower = Math.max(0, Math.min(15, this.l)); // CraftBukkit - Get power before new viewer is added
             --this.l;
             if (this.world == null) return; // CraftBukkit
+
+            // PaperSpigot start - Move chest close sound handling out of the tick loop
+            if (this.l == 0 && this.j > 0.0F || this.l > 0 && this.j < 1.0F) {
+                float f = 0.1F;
+
+                if (this.l > 0) {
+                    this.j += f;
+                } else {
+                    this.j -= f;
+                }
+
+                double d0 = (double) this.getPosition().getX() + 0.5D;
+                double d2 = (double) this.getPosition().getZ() + 0.5D;
+
+                if (this.i != null) {
+                    d2 += 0.5D;
+                }
+
+                if (this.g != null) {
+                    d0 += 0.5D;
+                }
+
+                this.world.makeSound(d0, (double) this.getPosition().getY() + 0.5D, d2, "random.chestclosed", 0.5F, this.world.random.nextFloat() * 0.1F + 0.9F);
+                this.j = 0.0F;
+            }
+            // PaperSpigot end
+
             this.world.playBlockAction(this.position, this.w(), 1, this.l);
 
             // CraftBukkit start - Call redstone event
diff --git a/src/main/java/net/minecraft/server/TileEntityEnderChest.java b/src/main/java/net/minecraft/server/TileEntityEnderChest.java
index 794cdc8..00fceda 100644
--- a/src/main/java/net/minecraft/server/TileEntityEnderChest.java
+++ b/src/main/java/net/minecraft/server/TileEntityEnderChest.java
@@ -1,15 +1,17 @@
 package net.minecraft.server;
 
-public class TileEntityEnderChest extends TileEntity implements IUpdatePlayerListBox {
+public class TileEntityEnderChest extends TileEntity { // PaperSpigot - remove IUpdatePlayerListBox
 
-    public float a;
+    public float a; // PaperSpigot - lidAngle
     public float f;
-    public int g;
+    public int g; // PaperSpigot - numPlayersUsing
     private int h;
 
     public TileEntityEnderChest() {}
 
     public void c() {
+        // PaperSpigot start - Move enderchest sound handling out of the tick loop
+        /*
         if (++this.h % 20 * 4 == 0) {
             this.world.playBlockAction(this.position, Blocks.ENDER_CHEST, 1, this.g);
         }
@@ -54,7 +56,8 @@ public class TileEntityEnderChest extends TileEntity implements IUpdatePlayerLis
                 this.a = 0.0F;
             }
         }
-
+        */
+        // PaperSpigot end
     }
 
     public boolean c(int i, int j) {
@@ -73,11 +76,34 @@ public class TileEntityEnderChest extends TileEntity implements IUpdatePlayerLis
 
     public void b() {
         ++this.g;
+
+        // PaperSpigot start - Move enderchest open sounds out of the tick loop
+        if (this.g > 0 && this.a == 0.0F) {
+            this.a = 0.7F;
+
+            double d1 = (double) this.getPosition().getX() + 0.5D;
+            double d0 = (double) this.getPosition().getZ() + 0.5D;
+
+            this.world.makeSound(d1, (double) this.getPosition().getY() + 0.5D, d0, "random.chestopen", 0.5F, this.world.random.nextFloat() * 0.1F + 0.9F);
+        }
+        // PaperSpigot end
+
         this.world.playBlockAction(this.position, Blocks.ENDER_CHEST, 1, this.g);
     }
 
     public void d() {
         --this.g;
+
+        // PaperSpigot start - Move enderchest close sounds out of the tick loop
+        if (this.g == 0 && this.a > 0.0F || this.g > 0 && this.a < 1.0F) {
+            double d0 = (double) this.getPosition().getX() + 0.5D;
+            double d2 = (double) this.getPosition().getZ() + 0.5D;
+
+            this.world.makeSound(d0, (double) this.getPosition().getY() + 0.5D, d2, "random.chestclosed", 0.5F, this.world.random.nextFloat() * 0.1F + 0.9F);
+            this.a = 0.0F;
+        }
+        // PaperSpigot end
+
         this.world.playBlockAction(this.position, Blocks.ENDER_CHEST, 1, this.g);
     }
 
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 641db2a..53438b1 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -28,6 +28,18 @@ public abstract class World implements IBlockAccess {
     // Spigot start - guard entity list from removals
     public final List<Entity> entityList = new java.util.ArrayList<Entity>()
     {
+        // PaperSpigot start - move always activated entities to top of tick list
+        @Override
+        public boolean add(Entity e) {
+            if (e.defaultActivationState) {
+                super.add(0, e);
+                return true;
+            } else {
+                return super.add(e);
+            }
+        }
+        // PaperSpigot end
+
         @Override
         public Entity remove(int index)
         {
@@ -52,7 +64,7 @@ public abstract class World implements IBlockAccess {
     };
     // Spigot end
     protected final List<Entity> g = Lists.newArrayList();
-    public final List<TileEntity> h = Lists.newArrayList();
+    //public final List<TileEntity> h = Lists.newArrayList(); // PaperSpigot - Remove unused list
     public final List<TileEntity> tileEntityList = Lists.newArrayList();
     private final List<TileEntity> b = Lists.newArrayList();
     private final List<TileEntity> c = Lists.newArrayList();
@@ -1394,10 +1406,22 @@ public abstract class World implements IBlockAccess {
         guardEntityList = true; // Spigot
         // CraftBukkit start - Use field for loop variable
         int entitiesThisCycle = 0;
+
+        // PaperSpigot start - Compute minimum tick index
+        int minTickIndex = -1;
+        ListIterator<Entity> e = entityList.listIterator();
+        while (e.hasNext()) {
+            if (!e.next().defaultActivationState) {
+                minTickIndex = e.previousIndex();
+                break;
+            }
+        }
+        // PaperSpigot end
+
         if (tickPosition < 0) tickPosition = 0;
         for (entityLimiter.initTick();
-                entitiesThisCycle < entityList.size() && (entitiesThisCycle % 10 == 0 || entityLimiter.shouldContinue());
-                tickPosition++, entitiesThisCycle++) {
+             entitiesThisCycle < entityList.size() && (tickPosition <= minTickIndex || entitiesThisCycle % 10 == 0 || entityLimiter.shouldContinue()); // PaperSpigot
+             tickPosition++, entitiesThisCycle++) {
             tickPosition = (tickPosition < entityList.size()) ? tickPosition : 0;
             entity = (Entity) this.entityList.get(this.tickPosition);
             // CraftBukkit end
@@ -1450,7 +1474,7 @@ public abstract class World implements IBlockAccess {
         // CraftBukkit start - From below, clean up tile entities before ticking them
         if (!this.c.isEmpty()) {
             this.tileEntityList.removeAll(this.c);
-            this.h.removeAll(this.c);
+            //this.h.removeAll(this.c); // PaperSpigot - Remove unused list
             this.c.clear();
         }
         // CraftBukkit end
@@ -1496,7 +1520,7 @@ public abstract class World implements IBlockAccess {
             if (tileentity.x()) {
                 tilesThisCycle--;
                 this.tileEntityList.remove(tileTickPosition--);
-                this.h.remove(tileentity);
+                //this.h.remove(tileentity); // PaperSpigot - Remove unused list
                 if (this.isLoaded(tileentity.getPosition())) {
                     this.getChunkAtWorldCoords(tileentity.getPosition()).e(tileentity.getPosition());
                 }
@@ -1543,7 +1567,7 @@ public abstract class World implements IBlockAccess {
     }
 
     public boolean a(TileEntity tileentity) {
-        boolean flag = this.h.add(tileentity);
+        boolean flag = true; // PaperSpigot - Remove unused list
 
         if (flag && tileentity instanceof IUpdatePlayerListBox) {
             this.tileEntityList.add(tileentity);
@@ -1561,7 +1585,7 @@ public abstract class World implements IBlockAccess {
             while (iterator.hasNext()) {
                 TileEntity tileentity = (TileEntity) iterator.next();
 
-                this.h.add(tileentity);
+                //this.h.add(tileentity); // PaperSpigot - Remove unused list
                 if (tileentity instanceof IUpdatePlayerListBox) {
                     this.tileEntityList.add(tileentity);
                 }
@@ -1997,7 +2021,7 @@ public abstract class World implements IBlockAccess {
         } else {
             if (tileentity != null) {
                 this.b.remove(tileentity);
-                this.h.remove(tileentity);
+                //this.h.remove(tileentity); // PaperSpigot - Remove unused list
                 this.tileEntityList.remove(tileentity);
             }
 
-- 
2.6.1.windows.1