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Paper/patches/server/0982-Optimize-GoalSelector-Goal.Flag-Set-operations.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Mon, 6 Apr 2020 17:53:29 -0700
Subject: [PATCH] Optimize GoalSelector Goal.Flag Set operations
Optimise the stream.anyMatch statement to move to a bitset
where we can replace the call with a single bitwise operation.
Feature patch
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 acc25b08ed3b9f978229fa017d23f9fa0da519e3..71c952621580fe95730835ed0eab7c9852550030 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
@@ -7,7 +7,16 @@ import net.minecraft.world.entity.Entity;
import net.minecraft.world.level.Level;
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 ca.spottedleaf.moonrise.common.set.OptimizedSmallEnumSet<net.minecraft.world.entity.ai.goal.Goal.Flag> goalTypes = new ca.spottedleaf.moonrise.common.set.OptimizedSmallEnumSet<>(Goal.Flag.class); // Paper - remove streams from pathfindergoalselector
+
+ // Paper start - remove streams from pathfindergoalselector; make sure types are not empty
+ public Goal() {
+ if (this.goalTypes.size() == 0) {
+ this.goalTypes.addUnchecked(Flag.UNKNOWN_BEHAVIOR);
+ }
+ }
+ // Paper end - remove streams from pathfindergoalselector
public abstract boolean canUse();
@@ -33,8 +42,13 @@ public abstract class Goal {
}
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);
+ if (this.goalTypes.size() == 0) {
+ this.goalTypes.addUnchecked(Flag.UNKNOWN_BEHAVIOR);
+ }
+ // Paper end - remove streams from pathfindergoalselector
}
@Override
@@ -42,8 +56,10 @@ public abstract class Goal {
return this.getClass().getSimpleName();
}
- public EnumSet<Goal.Flag> getFlags() {
- return this.flags;
+ // Paper start - remove streams from pathfindergoalselector
+ public ca.spottedleaf.moonrise.common.set.OptimizedSmallEnumSet<Goal.Flag> getFlags() {
+ return this.goalTypes;
+ // Paper end - remove streams from pathfindergoalselector
}
protected int adjustedTickDelay(int ticks) {
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 d871975f943a04b49644dc6eb18314d65a7836dc..29ae74339a4831ccef3d01e8054931715ba192ad 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
@@ -24,7 +24,8 @@ public class GoalSelector {
};
private final Map<Goal.Flag, WrappedGoal> lockedFlags = new EnumMap<>(Goal.Flag.class);
private final Set<WrappedGoal> availableGoals = new ObjectLinkedOpenHashSet<>();
- private final EnumSet<Goal.Flag> disabledFlags = EnumSet.noneOf(Goal.Flag.class);
+ private static final Goal.Flag[] GOAL_FLAG_VALUES = Goal.Flag.values(); // Paper - remove streams from pathfindergoalselector
+ private final ca.spottedleaf.moonrise.common.set.OptimizedSmallEnumSet<net.minecraft.world.entity.ai.goal.Goal.Flag> goalTypes = new ca.spottedleaf.moonrise.common.set.OptimizedSmallEnumSet<>(Goal.Flag.class); // Paper - remove streams from pathfindergoalselector
private int curRate; // Paper - EAR 2
public void addGoal(int priority, Goal goal) {
@@ -60,18 +61,18 @@ public class GoalSelector {
this.availableGoals.removeIf(wrappedGoalx -> wrappedGoalx.getGoal() == goal);
}
- private static boolean goalContainsAnyFlags(WrappedGoal goal, EnumSet<Goal.Flag> controls) {
- for (Goal.Flag flag : goal.getFlags()) {
- if (controls.contains(flag)) {
- return true;
- }
- }
-
- return false;
+ // Paper start
+ private static boolean goalContainsAnyFlags(WrappedGoal goal, ca.spottedleaf.moonrise.common.set.OptimizedSmallEnumSet<Goal.Flag> controls) {
+ return goal.getFlags().hasCommonElements(controls);
}
private static boolean goalCanBeReplacedForAllFlags(WrappedGoal goal, Map<Goal.Flag, WrappedGoal> goalsByControl) {
- for (Goal.Flag flag : goal.getFlags()) {
+ long flagIterator = goal.getFlags().getBackingSet();
+ int wrappedGoalSize = goal.getFlags().size();
+ for (int i = 0; i < wrappedGoalSize; ++i) {
+ final Goal.Flag flag = GOAL_FLAG_VALUES[Long.numberOfTrailingZeros(flagIterator)];
+ flagIterator ^= ca.spottedleaf.concurrentutil.util.IntegerUtil.getTrailingBit(flagIterator);
+ // Paper end
if (!goalsByControl.getOrDefault(flag, NO_GOAL).canBeReplacedBy(goal)) {
return false;
}
@@ -85,7 +86,7 @@ public class GoalSelector {
profilerFiller.push("goalCleanup");
for (WrappedGoal wrappedGoal : this.availableGoals) {
- if (wrappedGoal.isRunning() && (goalContainsAnyFlags(wrappedGoal, this.disabledFlags) || !wrappedGoal.canContinueToUse())) {
+ if (wrappedGoal.isRunning() && (goalContainsAnyFlags(wrappedGoal, this.goalTypes) || !wrappedGoal.canContinueToUse())) { // Paper - Perf: optimize goal types by removing streams
wrappedGoal.stop();
}
}
@@ -95,11 +96,14 @@ public class GoalSelector {
profilerFiller.push("goalUpdate");
for (WrappedGoal wrappedGoal2 : this.availableGoals) {
- if (!wrappedGoal2.isRunning()
- && !goalContainsAnyFlags(wrappedGoal2, this.disabledFlags)
- && goalCanBeReplacedForAllFlags(wrappedGoal2, this.lockedFlags)
- && wrappedGoal2.canUse()) {
- for (Goal.Flag flag : wrappedGoal2.getFlags()) {
+ // Paper start
+ if (!wrappedGoal2.isRunning() && !goalContainsAnyFlags(wrappedGoal2, this.goalTypes) && goalCanBeReplacedForAllFlags(wrappedGoal2, this.lockedFlags) && wrappedGoal2.canUse()) {
+ long flagIterator = wrappedGoal2.getFlags().getBackingSet();
+ int wrappedGoalSize = wrappedGoal2.getFlags().size();
+ for (int i = 0; i < wrappedGoalSize; ++i) {
+ final Goal.Flag flag = GOAL_FLAG_VALUES[Long.numberOfTrailingZeros(flagIterator)];
+ flagIterator ^= ca.spottedleaf.concurrentutil.util.IntegerUtil.getTrailingBit(flagIterator);
+ // Paper end
WrappedGoal wrappedGoal3 = this.lockedFlags.getOrDefault(flag, NO_GOAL);
wrappedGoal3.stop();
this.lockedFlags.put(flag, wrappedGoal2);
@@ -131,11 +135,11 @@ 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 b02d3deb550830245c8945ef17d3073ea930fdda..8cf2e0db6b2f7d3a50f2ac1c3f4f0c6c2434b5ba 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
@@ -69,8 +69,10 @@ public class WrappedGoal extends Goal {
}
@Override
- public EnumSet<Goal.Flag> getFlags() {
+ // Paper start - remove streams from pathfindergoalselector
+ public ca.spottedleaf.moonrise.common.set.OptimizedSmallEnumSet<Goal.Flag> getFlags() {
return this.goal.getFlags();
+ // Paper end - remove streams from pathfindergoalselector
}
public boolean isRunning() {
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