PaperMC/Spigot-Server-Patches/0436-Remove-streams-from-Mob-AI-System.patch
Mariell Hoversholm 74f507f4e3 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:
e461dcfe #555: Item - add getters/setters for owner/thrower

CraftBukkit Changes:
055870c4 #758: Item - add getters/setters for owner/thrower
2020-10-14 10:44:15 -04:00

253 lines
12 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <spottedleaf@spottedleaf.dev>
Date: Mon, 6 Apr 2020 17:53:29 -0700
Subject: [PATCH] Remove streams from Mob AI System
The streams hurt performance and allocate tons of garbage, so
replace them with the standard iterator.
Also optimise the stream.anyMatch statement to move to a bitset
where we can replace the call with a single bitwise operation.
diff --git a/src/main/java/net/minecraft/server/PathfinderGoal.java b/src/main/java/net/minecraft/server/PathfinderGoal.java
index b132cb42da9a733e46fe9059258db7b77f811b3b..42b690b9215d82346990d93a5cead727b1fa10ab 100644
--- a/src/main/java/net/minecraft/server/PathfinderGoal.java
+++ b/src/main/java/net/minecraft/server/PathfinderGoal.java
@@ -1,10 +1,12 @@
package net.minecraft.server;
+import com.destroystokyo.paper.util.set.OptimizedSmallEnumSet; // Paper - remove streams from pathfindergoalselector
import java.util.EnumSet;
public abstract class PathfinderGoal {
- private final EnumSet<PathfinderGoal.Type> a = EnumSet.noneOf(PathfinderGoal.Type.class);
+ private final EnumSet<PathfinderGoal.Type> a = EnumSet.noneOf(PathfinderGoal.Type.class); // Paper unused, but dummy to prevent plugins from crashing as hard. Theyll need to support paper in a special case if this is super important, but really doesn't seem like it would be.
+ private final OptimizedSmallEnumSet<Type> goalTypes = new OptimizedSmallEnumSet<>(PathfinderGoal.Type.class); // Paper - remove streams from pathfindergoalselector
public PathfinderGoal() {}
@@ -28,16 +30,20 @@ public abstract class PathfinderGoal {
public void e() {}
public void a(EnumSet<PathfinderGoal.Type> enumset) {
- this.a.clear();
- this.a.addAll(enumset);
+ // Paper start - remove streams from pathfindergoalselector
+ this.goalTypes.clear();
+ this.goalTypes.addAllUnchecked(enumset);
+ // Paper end - remove streams from pathfindergoalselector
}
public String toString() {
return this.getClass().getSimpleName();
}
- public EnumSet<PathfinderGoal.Type> i() {
- return this.a;
+ // Paper start - remove streams from pathfindergoalselector
+ public com.destroystokyo.paper.util.set.OptimizedSmallEnumSet<PathfinderGoal.Type> getGoalTypes() {
+ return this.goalTypes;
+ // Paper end - remove streams from pathfindergoalselector
}
public static enum Type {
diff --git a/src/main/java/net/minecraft/server/PathfinderGoalSelector.java b/src/main/java/net/minecraft/server/PathfinderGoalSelector.java
index b18e53220d8dbd50723c4201231091cbe4f4119a..22f4fec58fbaab24673dd418700c51671248c510 100644
--- a/src/main/java/net/minecraft/server/PathfinderGoalSelector.java
+++ b/src/main/java/net/minecraft/server/PathfinderGoalSelector.java
@@ -1,8 +1,10 @@
package net.minecraft.server;
+import com.destroystokyo.paper.util.set.OptimizedSmallEnumSet; // Paper - remove streams from pathfindergoalselector
import com.google.common.collect.Sets;
import java.util.EnumMap;
import java.util.EnumSet;
+import java.util.Iterator; // Paper - remove streams from pathfindergoalselector
import java.util.Map;
import java.util.Set;
import java.util.function.Supplier;
@@ -27,7 +29,8 @@ public class PathfinderGoalSelector {
private final Map<PathfinderGoal.Type, PathfinderGoalWrapped> c = new EnumMap(PathfinderGoal.Type.class);
private final Set<PathfinderGoalWrapped> d = Sets.newLinkedHashSet(); private Set<PathfinderGoalWrapped> getTasks() { return d; }// Paper - OBFHELPER
private final Supplier<GameProfilerFiller> e;
- private final EnumSet<PathfinderGoal.Type> f = EnumSet.noneOf(PathfinderGoal.Type.class);
+ private final EnumSet<PathfinderGoal.Type> f = EnumSet.noneOf(PathfinderGoal.Type.class); // Paper unused, but dummy to prevent plugins from crashing as hard. Theyll need to support paper in a special case if this is super important, but really doesn't seem like it would be.
+ private final OptimizedSmallEnumSet<PathfinderGoal.Type> goalTypes = new OptimizedSmallEnumSet<>(PathfinderGoal.Type.class); // Paper - remove streams from pathfindergoalselector
private int g = 3;private int getTickRate() { return g; } // Paper - OBFHELPER
private int curRate;private int getCurRate() { return curRate; } private void incRate() { this.curRate++; } // Paper TODO
@@ -59,35 +62,38 @@ public class PathfinderGoalSelector {
// Paper end
public void a(PathfinderGoal pathfindergoal) {
- this.d.stream().filter((pathfindergoalwrapped) -> {
- return pathfindergoalwrapped.j() == pathfindergoal;
- }).filter(PathfinderGoalWrapped::g).forEach(PathfinderGoalWrapped::d);
- this.d.removeIf((pathfindergoalwrapped) -> {
- return pathfindergoalwrapped.j() == pathfindergoal;
- });
+ // Paper start - remove streams from pathfindergoalselector
+ for (Iterator<PathfinderGoalWrapped> iterator = this.d.iterator(); iterator.hasNext();) {
+ PathfinderGoalWrapped goalWrapped = iterator.next();
+ if (goalWrapped.j() != pathfindergoal) {
+ continue;
+ }
+ if (goalWrapped.g()) {
+ goalWrapped.d();
+ }
+ iterator.remove();
+ }
+ // Paper end - remove streams from pathfindergoalselector
}
+ private static final PathfinderGoal.Type[] PATHFINDER_GOAL_TYPES = PathfinderGoal.Type.values(); // Paper - remove streams from pathfindergoalselector
+
public void doTick() {
GameProfilerFiller gameprofilerfiller = (GameProfilerFiller) this.e.get();
gameprofilerfiller.enter("goalCleanup");
- this.d().filter((pathfindergoalwrapped) -> {
- boolean flag;
-
- if (pathfindergoalwrapped.g()) {
- Stream stream = pathfindergoalwrapped.i().stream();
- EnumSet enumset = this.f;
-
- this.f.getClass();
- if (!stream.anyMatch(enumset::contains) && pathfindergoalwrapped.b()) {
- flag = false;
- return flag;
- }
+ // Paper start - remove streams from pathfindergoalselector
+ for (Iterator<PathfinderGoalWrapped> iterator = this.d.iterator(); iterator.hasNext();) {
+ PathfinderGoalWrapped wrappedGoal = iterator.next();
+ if (!wrappedGoal.g()) {
+ continue;
}
-
- flag = true;
- return flag;
- }).forEach(PathfinderGoal::d);
+ if (!this.goalTypes.hasCommonElements(wrappedGoal.getGoalTypes()) && wrappedGoal.b()) {
+ continue;
+ }
+ wrappedGoal.d();
+ }
+ // Paper end - remove streams from pathfindergoalselector
this.c.forEach((pathfindergoal_type, pathfindergoalwrapped) -> {
if (!pathfindergoalwrapped.g()) {
this.c.remove(pathfindergoal_type);
@@ -96,30 +102,58 @@ public class PathfinderGoalSelector {
});
gameprofilerfiller.exit();
gameprofilerfiller.enter("goalUpdate");
- this.d.stream().filter((pathfindergoalwrapped) -> {
- return !pathfindergoalwrapped.g();
- }).filter((pathfindergoalwrapped) -> {
- Stream stream = pathfindergoalwrapped.i().stream();
- EnumSet enumset = this.f;
-
- this.f.getClass();
- return stream.noneMatch(enumset::contains);
- }).filter((pathfindergoalwrapped) -> {
- return pathfindergoalwrapped.i().stream().allMatch((pathfindergoal_type) -> {
- return ((PathfinderGoalWrapped) this.c.getOrDefault(pathfindergoal_type, PathfinderGoalSelector.b)).a(pathfindergoalwrapped);
- });
- }).filter(PathfinderGoalWrapped::a).forEach((pathfindergoalwrapped) -> {
- pathfindergoalwrapped.i().forEach((pathfindergoal_type) -> {
- PathfinderGoalWrapped pathfindergoalwrapped1 = (PathfinderGoalWrapped) this.c.getOrDefault(pathfindergoal_type, PathfinderGoalSelector.b);
-
- pathfindergoalwrapped1.d();
- this.c.put(pathfindergoal_type, pathfindergoalwrapped);
- });
- pathfindergoalwrapped.c();
- });
+ // Paper start - remove streams from pathfindergoalselector
+ goal_update_loop: for (Iterator<PathfinderGoalWrapped> iterator = this.d.iterator(); iterator.hasNext();) {
+ PathfinderGoalWrapped wrappedGoal = iterator.next();
+ if (wrappedGoal.g()) {
+ continue;
+ }
+
+ OptimizedSmallEnumSet<PathfinderGoal.Type> wrappedGoalSet = wrappedGoal.getGoalTypes();
+
+ if (this.goalTypes.hasCommonElements(wrappedGoalSet)) {
+ continue;
+ }
+
+ long iterator1 = wrappedGoalSet.getBackingSet();
+ int wrappedGoalSize = wrappedGoalSet.size();
+ for (int i = 0; i < wrappedGoalSize; ++i) {
+ PathfinderGoal.Type type = PATHFINDER_GOAL_TYPES[Long.numberOfTrailingZeros(iterator1)];
+ iterator1 ^= com.destroystokyo.paper.util.math.IntegerUtil.getTrailingBit(iterator1);
+ PathfinderGoalWrapped wrapped = this.c.getOrDefault(type, PathfinderGoalSelector.b);
+ if (!wrapped.a(wrappedGoal)) {
+ continue goal_update_loop;
+ }
+ }
+
+ if (!wrappedGoal.a()) {
+ continue;
+ }
+
+ iterator1 = wrappedGoalSet.getBackingSet();
+ wrappedGoalSize = wrappedGoalSet.size();
+ for (int i = 0; i < wrappedGoalSize; ++i) {
+ PathfinderGoal.Type type = PATHFINDER_GOAL_TYPES[Long.numberOfTrailingZeros(iterator1)];
+ iterator1 ^= com.destroystokyo.paper.util.math.IntegerUtil.getTrailingBit(iterator1);
+ PathfinderGoalWrapped wrapped = this.c.getOrDefault(type, PathfinderGoalSelector.b);
+
+ wrapped.d();
+ this.c.put(type, wrappedGoal);
+ }
+
+ wrappedGoal.c();
+ }
+ // Paper end - remove streams from pathfindergoalselector
gameprofilerfiller.exit();
gameprofilerfiller.enter("goalTick");
- this.d().forEach(PathfinderGoalWrapped::e);
+ // Paper start - remove streams from pathfindergoalselector
+ for (Iterator<PathfinderGoalWrapped> iterator = this.d.iterator(); iterator.hasNext();) {
+ PathfinderGoalWrapped wrappedGoal = iterator.next();
+ if (wrappedGoal.g()) {
+ wrappedGoal.e();
+ }
+ }
+ // Paper end - remove streams from pathfindergoalselector
gameprofilerfiller.exit();
}
@@ -128,11 +162,11 @@ public class PathfinderGoalSelector {
}
public void a(PathfinderGoal.Type pathfindergoal_type) {
- this.f.add(pathfindergoal_type);
+ this.goalTypes.addUnchecked(pathfindergoal_type); // Paper - remove streams from pathfindergoalselector
}
public void b(PathfinderGoal.Type pathfindergoal_type) {
- this.f.remove(pathfindergoal_type);
+ this.goalTypes.removeUnchecked(pathfindergoal_type); // Paper - remove streams from pathfindergoalselector
}
public void a(PathfinderGoal.Type pathfindergoal_type, boolean flag) {
diff --git a/src/main/java/net/minecraft/server/PathfinderGoalWrapped.java b/src/main/java/net/minecraft/server/PathfinderGoalWrapped.java
index f3df10587e652d3a26d15deb09304b97a727cd88..22773eca7561d39cd838338efe6d40ab9421feba 100644
--- a/src/main/java/net/minecraft/server/PathfinderGoalWrapped.java
+++ b/src/main/java/net/minecraft/server/PathfinderGoalWrapped.java
@@ -59,9 +59,10 @@ public class PathfinderGoalWrapped extends PathfinderGoal {
this.a.a(enumset);
}
- @Override
- public EnumSet<PathfinderGoal.Type> i() {
- return this.a.i();
+ // Paper start - remove streams from pathfindergoalselector
+ public com.destroystokyo.paper.util.set.OptimizedSmallEnumSet<PathfinderGoal.Type> getGoalTypes() {
+ return this.a.getGoalTypes();
+ // Paper end - remove streams from pathfindergoalselector
}
public boolean isRunning() { return this.g(); } // Paper - OBFHELPER