Paper/Spigot-Server-Patches/0434-Optimize-GameRules-to-use-LinkedHashMap.patch
Shane Freeder fb25dc17c6 Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
da08d022 SPIGOT-4700: Add PlayerFishEvent.State.REEL_IN
0cef14e4 Remove draft API from selectEntities

CraftBukkit Changes:
a46fdbc6 Remove outdated build delay.
3697519b SPIGOT-4708: Fix ExactChoice recipes neglecting material
9ead7009 SPIGOT-4677: Add minecraft.admin.command_feedback permission
c3749a23 Remove the Damage tag from items when it is 0.
f74c7b95 SPIGOT-4706: Can't interact with active item
494eef45 Mention requirement of JIRA ticket for bug fixes
51d62dec SPIGOT-4702: Exception when middle clicking certain slots
be557e69 SPIGOT-4700: Add PlayerFishEvent.State.REEL_IN
2019-04-22 22:36:14 +01:00

67 lines
3.5 KiB
Diff

From dac566303446ee307bd3875361c7bf94a192e45b Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Thu, 4 Apr 2019 17:55:05 -0700
Subject: [PATCH] Optimize GameRules to use LinkedHashMap
Previously TreeMap was used which has poor get(K) performance.
diff --git a/src/main/java/net/minecraft/server/GameRules.java b/src/main/java/net/minecraft/server/GameRules.java
index fd2a4f1b8c..0bd5e02a28 100644
--- a/src/main/java/net/minecraft/server/GameRules.java
+++ b/src/main/java/net/minecraft/server/GameRules.java
@@ -17,7 +17,17 @@ import javax.annotation.Nullable;
public class GameRules {
- private static final TreeMap<String, GameRules.GameRuleDefinition> a = SystemUtils.a(new TreeMap(), (treemap) -> { // Paper - decompile fix
+ // Paper start - Optimize GameRules
+ private static final int RULES_SIZE = 256;
+
+ private static <K, V> java.util.LinkedHashMap<K, V> linkedMapOf(final int capacity, final TreeMap<K, V> map) {
+ final java.util.LinkedHashMap<K, V> ret = new java.util.LinkedHashMap<>(capacity);
+ ret.putAll(map);
+ return ret;
+ }
+
+ private static final java.util.LinkedHashMap<String, GameRuleDefinition> a = GameRules.linkedMapOf(RULES_SIZE, SystemUtils.a(new TreeMap(), (treemap) -> { // Paper - decompile fix
+ // Paper end
treemap.put("doFireTick", new GameRules.GameRuleDefinition("true", GameRules.EnumGameRuleType.BOOLEAN_VALUE));
treemap.put("mobGriefing", new GameRules.GameRuleDefinition("true", GameRules.EnumGameRuleType.BOOLEAN_VALUE));
treemap.put("keepInventory", new GameRules.GameRuleDefinition("false", GameRules.EnumGameRuleType.BOOLEAN_VALUE));
@@ -51,8 +61,8 @@ public class GameRules {
treemap.put("doLimitedCrafting", new GameRules.GameRuleDefinition("false", GameRules.EnumGameRuleType.BOOLEAN_VALUE));
treemap.put("maxCommandChainLength", new GameRules.GameRuleDefinition("65536", GameRules.EnumGameRuleType.NUMERICAL_VALUE));
treemap.put("announceAdvancements", new GameRules.GameRuleDefinition("true", GameRules.EnumGameRuleType.BOOLEAN_VALUE));
- });
- private final TreeMap<String, GameRules.GameRuleValue> b = new TreeMap();
+ })); // Paper - Optimize GameRules
+ private final java.util.LinkedHashMap<String, GameRuleValue> b = new java.util.LinkedHashMap<>(RULES_SIZE); // Paper - Optimize GameRules
public GameRules() {
Iterator iterator = GameRules.a.entrySet().iterator();
@@ -116,7 +126,7 @@ public class GameRules {
return (GameRules.GameRuleValue) this.b.get(s);
}
- public static TreeMap<String, GameRules.GameRuleDefinition> getGameRules() {
+ public static java.util.LinkedHashMap<String, GameRuleDefinition> getGameRules() { // Paper - Optimize GameRules
return GameRules.a;
}
diff --git a/src/test/java/org/bukkit/GameRuleTest.java b/src/test/java/org/bukkit/GameRuleTest.java
index 1ed0f4cf2b..40edb8d668 100644
--- a/src/test/java/org/bukkit/GameRuleTest.java
+++ b/src/test/java/org/bukkit/GameRuleTest.java
@@ -21,7 +21,7 @@ public class GameRuleTest {
@Test
public void testMinecraftRules() {
- TreeMap<String, GameRules.GameRuleDefinition> minecraftRules = GameRules.getGameRules();
+ Map<String, GameRules.GameRuleDefinition> minecraftRules = GameRules.getGameRules(); // Paper - Optimize GameRules
for (Map.Entry<String, GameRules.GameRuleDefinition> entry : minecraftRules.entrySet()) {
GameRule<?> bukkitRule = GameRule.getByName(entry.getKey());
--
2.21.0