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PaperMC/paper-server/patches/features/0007-Optimize-GoalSelector-Goal.Flag-Set-operations.patch
Nassim Jahnke 3b0b3a0aef
and some more
2024-12-21 13:45:04 +01:00

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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.
diff --git a/net/minecraft/world/entity/ai/goal/Goal.java b/net/minecraft/world/entity/ai/goal/Goal.java
index d4f8387254a65b25fc808932a069298d0f8da091..5f5bf0e710ecff09a571091e5a923332be70cb74 100644
--- a/net/minecraft/world/entity/ai/goal/Goal.java
+++ b/net/minecraft/world/entity/ai/goal/Goal.java
@@ -7,7 +7,15 @@ 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 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 GoalSelector
+
+ // Paper start - remove streams from GoalSelector; make sure types are not empty
+ protected Goal() {
+ if (this.goalTypes.size() == 0) {
+ this.goalTypes.addUnchecked(Flag.UNKNOWN_BEHAVIOR);
+ }
+ }
+ // Paper end - remove streams from GoalSelector
public abstract boolean canUse();
@@ -33,8 +41,13 @@ public abstract class Goal {
}
public void setFlags(EnumSet<Goal.Flag> flagSet) {
- this.flags.clear();
- this.flags.addAll(flagSet);
+ // Paper start - remove streams from GoalSelector
+ this.goalTypes.clear();
+ this.goalTypes.addAllUnchecked(flagSet);
+ if (this.goalTypes.size() == 0) {
+ this.goalTypes.addUnchecked(Flag.UNKNOWN_BEHAVIOR);
+ }
+ // Paper end - remove streams from GoalSelector
}
@Override
@@ -42,18 +55,20 @@ public abstract class Goal {
return this.getClass().getSimpleName();
}
- public EnumSet<Goal.Flag> getFlags() {
- return this.flags;
+ // Paper start - remove streams from GoalSelector
+ public ca.spottedleaf.moonrise.common.set.OptimizedSmallEnumSet<Goal.Flag> getFlags() {
+ return this.goalTypes;
+ // Paper end - remove streams from GoalSelector
}
// Paper start - Mob Goal API
public boolean hasFlag(final Goal.Flag flag) {
- return this.flags.contains(flag);
+ return this.goalTypes.hasElement(flag);
}
public void addFlag(final Goal.Flag flag) {
- this.flags.add(flag);
+ this.goalTypes.addUnchecked(flag);
}
// Paper end - Mob Goal API
diff --git a/net/minecraft/world/entity/ai/goal/GoalSelector.java b/net/minecraft/world/entity/ai/goal/GoalSelector.java
index eeba224bd575451ba6023df65ef9d9b97f7f1c71..a927c2790c8ab9ccaa7161b970e10b0b44817dd8 100644
--- a/net/minecraft/world/entity/ai/goal/GoalSelector.java
+++ b/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 GoalSelector
+ 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 GoalSelector
private int curRate; // Paper - EAR 2
public void addGoal(int priority, Goal goal) {
@@ -62,18 +63,18 @@ public class GoalSelector {
this.availableGoals.removeIf(wrappedGoal1 -> wrappedGoal1.getGoal() == goal);
}
- private static boolean goalContainsAnyFlags(WrappedGoal goal, EnumSet<Goal.Flag> flag) {
- for (Goal.Flag flag1 : goal.getFlags()) {
- if (flag.contains(flag1)) {
- return true;
- }
- }
-
- return false;
+ // Paper start - Perf: optimize goal types
+ private static boolean goalContainsAnyFlags(WrappedGoal goal, ca.spottedleaf.moonrise.common.set.OptimizedSmallEnumSet<Goal.Flag> flags) {
+ return goal.getFlags().hasCommonElements(flags);
}
private static boolean goalCanBeReplacedForAllFlags(WrappedGoal goal, Map<Goal.Flag, WrappedGoal> flag) {
- for (Goal.Flag flag1 : goal.getFlags()) {
+ long flagIterator = goal.getFlags().getBackingSet();
+ int wrappedGoalSize = goal.getFlags().size();
+ for (int i = 0; i < wrappedGoalSize; ++i) {
+ final Goal.Flag flag1 = GOAL_FLAG_VALUES[Long.numberOfTrailingZeros(flagIterator)];
+ flagIterator ^= ca.spottedleaf.concurrentutil.util.IntegerUtil.getTrailingBit(flagIterator);
+ // Paper end - Perf: optimize goal types
if (!flag.getOrDefault(flag1, NO_GOAL).canBeReplacedBy(goal)) {
return false;
}
@@ -87,7 +88,7 @@ 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();
}
}
@@ -97,11 +98,14 @@ public class GoalSelector {
profilerFiller.push("goalUpdate");
for (WrappedGoal wrappedGoalx : this.availableGoals) {
- if (!wrappedGoalx.isRunning()
- && !goalContainsAnyFlags(wrappedGoalx, this.disabledFlags)
- && goalCanBeReplacedForAllFlags(wrappedGoalx, this.lockedFlags)
- && wrappedGoalx.canUse()) {
- for (Goal.Flag flag : wrappedGoalx.getFlags()) {
+ // Paper start
+ if (!wrappedGoalx.isRunning() && !goalContainsAnyFlags(wrappedGoalx, this.goalTypes) && goalCanBeReplacedForAllFlags(wrappedGoalx, this.lockedFlags) && wrappedGoalx.canUse()) {
+ long flagIterator = wrappedGoalx.getFlags().getBackingSet();
+ int wrappedGoalSize = wrappedGoalx.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 wrappedGoal1 = this.lockedFlags.getOrDefault(flag, NO_GOAL);
wrappedGoal1.stop();
this.lockedFlags.put(flag, wrappedGoalx);
@@ -133,11 +137,11 @@ public class GoalSelector {
}
public void disableControlFlag(Goal.Flag flag) {
- this.disabledFlags.add(flag);
+ this.goalTypes.addUnchecked(flag); // Paper - remove streams from GoalSelector
}
public void enableControlFlag(Goal.Flag flag) {
- this.disabledFlags.remove(flag);
+ this.goalTypes.removeUnchecked(flag); // Paper - remove streams from GoalSelector
}
public void setControlFlag(Goal.Flag flag, boolean enabled) {
diff --git a/net/minecraft/world/entity/ai/goal/WrappedGoal.java b/net/minecraft/world/entity/ai/goal/WrappedGoal.java
index 4bdbd323b642ed3422948fe24780be8b503602dc..2c2ab6a1df9d3d23773e44ce4041cc1c21b55163 100644
--- a/net/minecraft/world/entity/ai/goal/WrappedGoal.java
+++ b/net/minecraft/world/entity/ai/goal/WrappedGoal.java
@@ -69,7 +69,7 @@ public class WrappedGoal extends Goal {
}
@Override
- public EnumSet<Goal.Flag> getFlags() {
+ public ca.spottedleaf.moonrise.common.set.OptimizedSmallEnumSet<Goal.Flag> getFlags() { // Paper - remove streams from GoalSelector
return this.goal.getFlags();
}
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