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Optimize NavigationListener Iteration

Browse source 
I don't know what the person who wrote that code was smoking, but I
don't think it was good.

Gets rid of the WeakHashMap that mojang was abusing purely to be lazy
on clean up, and handles registering and deregistering navigation
upon world add/remove operations.
This commit is contained in:
Aikar 2016-03-07 22:59:12 -05:00
parent e2906382a1
commit 017c6f73be
2 changed files with 176 additions and 1 deletions
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77
Spigot-Server-Patches/0003-mc-dev-imports.patch
View file

@ -1,4 +1,4 @@
From 064eacc5931529fab242e2faed8e34f57eb6933f Mon Sep 17 00:00:00 2001 From b0a88bf483ac0df3413f5ff4337833bd750265f3 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com> From: Zach Brown <zach.brown@destroystokyo.com>
Date: Mon, 29 Feb 2016 21:09:10 -0600 Date: Mon, 29 Feb 2016 21:09:10 -0600
Subject: [PATCH] mc-dev imports Subject: [PATCH] mc-dev imports
@ -3609,6 +3609,81 @@ index 0000000..2f4265a
+ return this.b.getType(blockposition.down()).b(); + return this.b.getType(blockposition.down()).b();
+ } + }
+} +}
diff --git a/src/main/java/net/minecraft/server/NavigationListener.java b/src/main/java/net/minecraft/server/NavigationListener.java
new file mode 100644
index 0000000..f82ea80
--- /dev/null
+++ b/src/main/java/net/minecraft/server/NavigationListener.java
@@ -0,0 +1,69 @@
+package net.minecraft.server;
+
+import java.util.WeakHashMap;
+
+public class NavigationListener implements IWorldAccess {
+
+ private static final Object a = new Object();
+ private final WeakHashMap<NavigationAbstract, Object> b = new WeakHashMap();
+
+ public NavigationListener() {}
+
+ public void a(NavigationAbstract navigationabstract) {
+ this.b.put(navigationabstract, NavigationListener.a);
+ }
+
+ public void a(World world, BlockPosition blockposition, IBlockData iblockdata, IBlockData iblockdata1, int i) {
+ if (this.a(world, blockposition, iblockdata, iblockdata1)) {
+ NavigationAbstract[] anavigationabstract = (NavigationAbstract[]) this.b.keySet().toArray(new NavigationAbstract[0]);
+ NavigationAbstract[] anavigationabstract1 = anavigationabstract;
+ int j = anavigationabstract.length;
+
+ for (int k = 0; k < j; ++k) {
+ NavigationAbstract navigationabstract = anavigationabstract1[k];
+
+ if (navigationabstract != null && !navigationabstract.i()) {
+ PathEntity pathentity = navigationabstract.k();
+
+ if (pathentity != null && !pathentity.b() && pathentity.d() != 0) {
+ PathPoint pathpoint = navigationabstract.c.c();
+ double d0 = blockposition.distanceSquared(((double) pathpoint.a + navigationabstract.a.locX) / 2.0D, ((double) pathpoint.b + navigationabstract.a.locY) / 2.0D, ((double) pathpoint.c + navigationabstract.a.locZ) / 2.0D);
+ int l = (pathentity.d() - pathentity.e()) * (pathentity.d() - pathentity.e());
+
+ if (d0 < (double) l) {
+ navigationabstract.j();
+ }
+ }
+ }
+ }
+
+ }
+ }
+
+ protected boolean a(World world, BlockPosition blockposition, IBlockData iblockdata, IBlockData iblockdata1) {
+ AxisAlignedBB axisalignedbb = iblockdata.d(world, blockposition);
+ AxisAlignedBB axisalignedbb1 = iblockdata1.d(world, blockposition);
+
+ return axisalignedbb != axisalignedbb1 && (axisalignedbb == null || !axisalignedbb.equals(axisalignedbb1));
+ }
+
+ public void a(BlockPosition blockposition) {}
+
+ public void a(int i, int j, int k, int l, int i1, int j1) {}
+
+ public void a(EntityHuman entityhuman, SoundEffect soundeffect, SoundCategory soundcategory, double d0, double d1, double d2, float f, float f1) {}
+
+ public void a(int i, boolean flag, double d0, double d1, double d2, double d3, double d4, double d5, int... aint) {}
+
+ public void a(Entity entity) {}
+
+ public void b(Entity entity) {}
+
+ public void a(SoundEffect soundeffect, BlockPosition blockposition) {}
+
+ public void a(int i, BlockPosition blockposition, int j) {}
+
+ public void a(EntityHuman entityhuman, int i, BlockPosition blockposition, int j) {}
+
+ public void b(int i, BlockPosition blockposition, int j) {}
+}
diff --git a/src/main/java/net/minecraft/server/PathfinderGoalFloat.java b/src/main/java/net/minecraft/server/PathfinderGoalFloat.java diff --git a/src/main/java/net/minecraft/server/PathfinderGoalFloat.java b/src/main/java/net/minecraft/server/PathfinderGoalFloat.java
new file mode 100644 new file mode 100644
index 0000000..1a20dbf index 0000000..1a20dbf

100
Spigot-Server-Patches/0079-Optimize-NavigationListener-Iteration.patch Normal file
View file

@ -0,0 +1,100 @@
From 9c96f51c8068de370baeb9fa4aee91c82d273e42 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 7 Mar 2016 22:43:26 -0500
Subject: [PATCH] Optimize NavigationListener Iteration
I don't know what the person who wrote that code was smoking, but I
don't think it was good.
Gets rid of the WeakHashMap that mojang was abusing purely to be lazy
on clean up, and handles registering and deregistering navigation
upon world add/remove operations.
diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
index 7d794b9..ca4cb26 100644
--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -32,7 +32,7 @@ public abstract class NavigationAbstract {
this.b = world;
this.g = entityinsentient.getAttributeInstance(GenericAttributes.FOLLOW_RANGE);
this.s = this.a();
- this.b.C().a(this);
+ //this.b.C().a(this); // Paper
}
protected abstract Pathfinder a();
diff --git a/src/main/java/net/minecraft/server/NavigationListener.java b/src/main/java/net/minecraft/server/NavigationListener.java
index f82ea80..ef446fc 100644
--- a/src/main/java/net/minecraft/server/NavigationListener.java
+++ b/src/main/java/net/minecraft/server/NavigationListener.java
@@ -1,26 +1,41 @@
package net.minecraft.server;
+import java.util.ArrayList; // Paper
+import java.util.List; // Paper
import java.util.WeakHashMap;
public class NavigationListener implements IWorldAccess {
private static final Object a = new Object();
- private final WeakHashMap<NavigationAbstract, Object> b = new WeakHashMap();
+ private final List<NavigationAbstract> navigators = new ArrayList<>(); // Paper
public NavigationListener() {}
+
public void a(NavigationAbstract navigationabstract) {
- this.b.put(navigationabstract, NavigationListener.a);
+ this.add(navigationabstract); // Paper
}
+ // Paper start
+ public void add(NavigationAbstract navigationabstract) {
+ this.navigators.add(navigationabstract);
+ }
+ public void remove(NavigationAbstract navigationabstract) {
+ this.navigators.remove(navigationabstract);
+ }
+ // Paper end
+
public void a(World world, BlockPosition blockposition, IBlockData iblockdata, IBlockData iblockdata1, int i) {
if (this.a(world, blockposition, iblockdata, iblockdata1)) {
- NavigationAbstract[] anavigationabstract = (NavigationAbstract[]) this.b.keySet().toArray(new NavigationAbstract[0]);
- NavigationAbstract[] anavigationabstract1 = anavigationabstract;
- int j = anavigationabstract.length;
+ // Paper start
+ //NavigationAbstract[] anavigationabstract = (NavigationAbstract[]) this.navigators.keySet().toArray(new NavigationAbstract[0]);
+ //NavigationAbstract[] anavigationabstract1 = anavigationabstract;
+ int j = this.navigators.size();
+
for (int k = 0; k < j; ++k) {
- NavigationAbstract navigationabstract = anavigationabstract1[k];
+ NavigationAbstract navigationabstract = this.navigators.get(k);
+ // Paper end
if (navigationabstract != null && !navigationabstract.i()) {
PathEntity pathentity = navigationabstract.k();
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index cae2873..5ae2f14 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -1024,6 +1024,7 @@ public abstract class World implements IBlockAccess {
this.getChunkAt(i, j).a(entity);
this.entityList.add(entity);
this.b(entity);
+ if (entity instanceof EntityInsentient) { this.getNavListener().add(((EntityInsentient) entity).navigation); } // Paper
return true;
}
}
@@ -1105,6 +1106,7 @@ public abstract class World implements IBlockAccess {
}
// CraftBukkit end
} // Spigot
+ if (entity instanceof EntityInsentient) { this.getNavListener().remove(((EntityInsentient) entity).navigation); } // Paper
this.c(entity);
}
--
2.7.2