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Fix patch "Faster redstone torch rapid clock removal" (#2014)

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Tux pointed out the patch still has O(n^2) time complexity since
the sublist class in arraylist does not override clear() from
AbstractList, which uses a forward moving iterator to clear
the list.

Resolved by using a peek and poll from ArrayDeque.

This patch also removes the useless WeakHashMap which holds
the list (it mapped world->list) and replaces it with a
field on World.
This commit is contained in:
Spottedleaf
2019-05-10 08:48:58 -07:00
parent 69ca68db14
commit 396186a950
13 changed files with 84 additions and 34 deletions
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6
Spigot-Server-Patches/Prevent-Mob-AI-Rules-from-Loading-Chunks.patch
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@@ -5,7 +5,7 @@ Subject: [PATCH] Prevent Mob AI Rules from Loading Chunks
diff --git a/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java b/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
index ce9318c575..541d97344e 100644
index ce9318c57..541d97344 100644
--- a/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
+++ b/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
@@ -0,0 +0,0 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
@@ -53,7 +53,7 @@ index ce9318c575..541d97344e 100644
return block == this.g && iworldreader.getType(blockposition.up()).isAir() && iworldreader.getType(blockposition.up(2)).isAir();
}
diff --git a/src/main/java/net/minecraft/server/RandomPositionGenerator.java b/src/main/java/net/minecraft/server/RandomPositionGenerator.java
index 8340d6d25b..78eb1b39cf 100644
index 8340d6d25..78eb1b39c 100644
--- a/src/main/java/net/minecraft/server/RandomPositionGenerator.java
+++ b/src/main/java/net/minecraft/server/RandomPositionGenerator.java
@@ -0,0 +0,0 @@ public class RandomPositionGenerator {
@@ -74,7 +74,7 @@ index 8340d6d25b..78eb1b39cf 100644
}
}
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 5544c4dbf3..39d5a8f5e5 100644
index 33f0d1cd8..acd1b856e 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -0,0 +0,0 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose