Paper/patches/server-remapped/0433-Remove-streams-from-Mob-AI-System.patch
2021-06-11 14:02:28 +02:00

254 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/world/entity/ai/goal/Goal.java b/src/main/java/net/minecraft/world/entity/ai/goal/Goal.java
index 558dd72c47930f6993952467f83b5a54ead95d92..acc6306d659cd65a043d12cd42dcbaf55aaf5250 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/Goal.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/Goal.java
@@ -1,10 +1,12 @@
package net.minecraft.world.entity.ai.goal;
+import com.destroystokyo.paper.util.set.OptimizedSmallEnumSet; // Paper - remove streams from pathfindergoalselector
import java.util.EnumSet;
public abstract class Goal {
- private final EnumSet<Goal.Flag> flags = EnumSet.noneOf(Goal.Flag.class);
+ private final EnumSet<Goal.Flag> flags = EnumSet.noneOf(Goal.Flag.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<Flag> goalTypes = new OptimizedSmallEnumSet<>(Goal.Flag.class); // Paper - remove streams from pathfindergoalselector
public Goal() {}
@@ -28,16 +30,20 @@ public abstract class Goal {
public void tick() {}
public void setFlags(EnumSet<Goal.Flag> controls) {
- this.flags.clear();
- this.flags.addAll(controls);
+ // Paper start - remove streams from pathfindergoalselector
+ this.goalTypes.clear();
+ this.goalTypes.addAllUnchecked(controls);
+ // Paper end - remove streams from pathfindergoalselector
}
public String toString() {
return this.getClass().getSimpleName();
}
- public EnumSet<Goal.Flag> getFlags() {
- return this.flags;
+ // Paper start - remove streams from pathfindergoalselector
+ public com.destroystokyo.paper.util.set.OptimizedSmallEnumSet<Goal.Flag> getGoalTypes() {
+ return this.goalTypes;
+ // Paper end - remove streams from pathfindergoalselector
}
public static enum Flag {
diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/GoalSelector.java b/src/main/java/net/minecraft/world/entity/ai/goal/GoalSelector.java
index 9bd2ee05a0de6678ad8933a8ffbe0ae66bd073b4..5da2d780c17522e07c733a5e23b17ec760c7b342 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/GoalSelector.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/GoalSelector.java
@@ -1,8 +1,10 @@
package net.minecraft.world.entity.ai.goal;
+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;
@@ -28,7 +30,8 @@ public class GoalSelector {
private final Map<Goal.Flag, WrappedGoal> lockedFlags = new EnumMap(Goal.Flag.class);
private final Set<WrappedGoal> availableGoals = Sets.newLinkedHashSet(); private Set<WrappedGoal> getTasks() { return availableGoals; }// Paper - OBFHELPER
private final Supplier<ProfilerFiller> profiler;
- private final EnumSet<Goal.Flag> disabledFlags = EnumSet.noneOf(Goal.Flag.class);
+ private final EnumSet<Goal.Flag> disabledFlags = EnumSet.noneOf(Goal.Flag.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<Goal.Flag> goalTypes = new OptimizedSmallEnumSet<>(Goal.Flag.class); // Paper - remove streams from pathfindergoalselector
private int newGoalRate = 3;private int getTickRate() { return newGoalRate; } // Paper - OBFHELPER
private int curRate;private int getCurRate() { return curRate; } private void incRate() { this.curRate++; } // Paper TODO
@@ -56,35 +59,38 @@ public class GoalSelector {
// Paper end
public void removeGoal(Goal goal) {
- this.availableGoals.stream().filter((pathfindergoalwrapped) -> {
- return pathfindergoalwrapped.getGoal() == goal;
- }).filter(WrappedGoal::isRunning).forEach(WrappedGoal::stop);
- this.availableGoals.removeIf((pathfindergoalwrapped) -> {
- return pathfindergoalwrapped.getGoal() == goal;
- });
+ // Paper start - remove streams from pathfindergoalselector
+ for (Iterator<WrappedGoal> iterator = this.availableGoals.iterator(); iterator.hasNext();) {
+ WrappedGoal goalWrapped = iterator.next();
+ if (goalWrapped.getGoal() != goal) {
+ continue;
+ }
+ if (goalWrapped.isRunning()) {
+ goalWrapped.stop();
+ }
+ iterator.remove();
+ }
+ // Paper end - remove streams from pathfindergoalselector
}
+ private static final Goal.Flag[] PATHFINDER_GOAL_TYPES = Goal.Flag.values(); // Paper - remove streams from pathfindergoalselector
+
public void tick() {
ProfilerFiller gameprofilerfiller = (ProfilerFiller) this.profiler.get();
gameprofilerfiller.push("goalCleanup");
- this.getRunningGoals().filter((pathfindergoalwrapped) -> {
- boolean flag;
-
- if (pathfindergoalwrapped.isRunning()) {
- Stream stream = pathfindergoalwrapped.getFlags().stream();
- EnumSet enumset = this.disabledFlags;
-
- this.disabledFlags.getClass();
- if (!stream.anyMatch(enumset::contains) && pathfindergoalwrapped.canContinueToUse()) {
- flag = false;
- return flag;
- }
+ // Paper start - remove streams from pathfindergoalselector
+ for (Iterator<WrappedGoal> iterator = this.availableGoals.iterator(); iterator.hasNext();) {
+ WrappedGoal wrappedGoal = iterator.next();
+ if (!wrappedGoal.isRunning()) {
+ continue;
}
-
- flag = true;
- return flag;
- }).forEach(Goal::stop);
+ if (!this.goalTypes.hasCommonElements(wrappedGoal.getGoalTypes()) && wrappedGoal.canContinueToUse()) {
+ continue;
+ }
+ wrappedGoal.stop();
+ }
+ // Paper end - remove streams from pathfindergoalselector
this.lockedFlags.forEach((pathfindergoal_type, pathfindergoalwrapped) -> {
if (!pathfindergoalwrapped.isRunning()) {
this.lockedFlags.remove(pathfindergoal_type);
@@ -93,30 +99,58 @@ public class GoalSelector {
});
gameprofilerfiller.pop();
gameprofilerfiller.push("goalUpdate");
- this.availableGoals.stream().filter((pathfindergoalwrapped) -> {
- return !pathfindergoalwrapped.isRunning();
- }).filter((pathfindergoalwrapped) -> {
- Stream stream = pathfindergoalwrapped.getFlags().stream();
- EnumSet enumset = this.disabledFlags;
-
- this.disabledFlags.getClass();
- return stream.noneMatch(enumset::contains);
- }).filter((pathfindergoalwrapped) -> {
- return pathfindergoalwrapped.getFlags().stream().allMatch((pathfindergoal_type) -> {
- return ((WrappedGoal) this.lockedFlags.getOrDefault(pathfindergoal_type, GoalSelector.NO_GOAL)).canBeReplacedBy(pathfindergoalwrapped);
- });
- }).filter(WrappedGoal::canUse).forEach((pathfindergoalwrapped) -> {
- pathfindergoalwrapped.getFlags().forEach((pathfindergoal_type) -> {
- WrappedGoal pathfindergoalwrapped1 = (WrappedGoal) this.lockedFlags.getOrDefault(pathfindergoal_type, GoalSelector.NO_GOAL);
-
- pathfindergoalwrapped1.stop();
- this.lockedFlags.put(pathfindergoal_type, pathfindergoalwrapped);
- });
- pathfindergoalwrapped.start();
- });
+ // Paper start - remove streams from pathfindergoalselector
+ goal_update_loop: for (Iterator<WrappedGoal> iterator = this.availableGoals.iterator(); iterator.hasNext();) {
+ WrappedGoal wrappedGoal = iterator.next();
+ if (wrappedGoal.isRunning()) {
+ continue;
+ }
+
+ OptimizedSmallEnumSet<Goal.Flag> wrappedGoalSet = wrappedGoal.getGoalTypes();
+
+ if (this.goalTypes.hasCommonElements(wrappedGoalSet)) {
+ continue;
+ }
+
+ long iterator1 = wrappedGoalSet.getBackingSet();
+ int wrappedGoalSize = wrappedGoalSet.size();
+ for (int i = 0; i < wrappedGoalSize; ++i) {
+ Goal.Flag type = PATHFINDER_GOAL_TYPES[Long.numberOfTrailingZeros(iterator1)];
+ iterator1 ^= com.destroystokyo.paper.util.math.IntegerUtil.getTrailingBit(iterator1);
+ WrappedGoal wrapped = this.lockedFlags.getOrDefault(type, GoalSelector.NO_GOAL);
+ if (!wrapped.canBeReplacedBy(wrappedGoal)) {
+ continue goal_update_loop;
+ }
+ }
+
+ if (!wrappedGoal.canUse()) {
+ continue;
+ }
+
+ iterator1 = wrappedGoalSet.getBackingSet();
+ wrappedGoalSize = wrappedGoalSet.size();
+ for (int i = 0; i < wrappedGoalSize; ++i) {
+ Goal.Flag type = PATHFINDER_GOAL_TYPES[Long.numberOfTrailingZeros(iterator1)];
+ iterator1 ^= com.destroystokyo.paper.util.math.IntegerUtil.getTrailingBit(iterator1);
+ WrappedGoal wrapped = this.lockedFlags.getOrDefault(type, GoalSelector.NO_GOAL);
+
+ wrapped.stop();
+ this.lockedFlags.put(type, wrappedGoal);
+ }
+
+ wrappedGoal.start();
+ }
+ // Paper end - remove streams from pathfindergoalselector
gameprofilerfiller.pop();
gameprofilerfiller.push("goalTick");
- this.getRunningGoals().forEach(WrappedGoal::tick);
+ // Paper start - remove streams from pathfindergoalselector
+ for (Iterator<WrappedGoal> iterator = this.availableGoals.iterator(); iterator.hasNext();) {
+ WrappedGoal wrappedGoal = iterator.next();
+ if (wrappedGoal.isRunning()) {
+ wrappedGoal.tick();
+ }
+ }
+ // Paper end - remove streams from pathfindergoalselector
gameprofilerfiller.pop();
}
@@ -125,11 +159,11 @@ public class GoalSelector {
}
public void disableControlFlag(Goal.Flag control) {
- this.disabledFlags.add(control);
+ this.goalTypes.addUnchecked(control); // Paper - remove streams from pathfindergoalselector
}
public void enableControlFlag(Goal.Flag control) {
- this.disabledFlags.remove(control);
+ this.goalTypes.removeUnchecked(control); // Paper - remove streams from pathfindergoalselector
}
public void setControlFlag(Goal.Flag control, boolean enabled) {
diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/WrappedGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/WrappedGoal.java
index 81b4618a7979ee8dd25e1749c084de9262318ef4..984146b2b6eb3e498433b1c4971397848166d9c9 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/WrappedGoal.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/WrappedGoal.java
@@ -59,9 +59,10 @@ public class WrappedGoal extends Goal {
this.goal.setFlags(controls);
}
- @Override
- public EnumSet<Goal.Flag> getFlags() {
- return this.goal.getFlags();
+ // Paper start - remove streams from pathfindergoalselector
+ public com.destroystokyo.paper.util.set.OptimizedSmallEnumSet<Goal.Flag> getGoalTypes() {
+ return this.goal.getGoalTypes();
+ // Paper end - remove streams from pathfindergoalselector
}
public boolean isRunning() { return this.isRunning(); } // Paper - OBFHELPER