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Paper/patches/server/0377-Optimize-GoalSelector-Goal.Flag-Set-operations.patch
Nassim Jahnke 928bcc8d3a
Updated Upstream (Bukkit/CraftBukkit) (#8430) 
Upstream has released updates that appear 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:
09943450 Update SnakeYAML version
5515734f SPIGOT-7162: Incorrect description for Entity#getVehicle javadoc
6f82b381 PR-788: Add getHand() to all relevant events

CraftBukkit Changes:
aaf484f6f SPIGOT-7163: CraftMerchantRecipe doesn't copy demand and specialPrice from BukkitMerchantRecipe
5329dd6fd PR-1107: Add getHand() to all relevant events
93061706e SPIGOT-7045: Ocelots never spawn with babies with spawn reason OCELOT_BABY
2022-10-02 09:56:36 +02:00

170 Zeilen
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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/src/main/java/net/minecraft/world/entity/ai/goal/Goal.java b/src/main/java/net/minecraft/world/entity/ai/goal/Goal.java
index 6667ecc4b7eded4e20a415cef1e1b1179e6710b8..4379b9948f1eecfe6fd7dea98e298ad5f761019a 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
@@ -4,7 +4,8 @@ import java.util.EnumSet;
import net.minecraft.util.Mth;
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 com.destroystokyo.paper.util.set.OptimizedSmallEnumSet<net.minecraft.world.entity.ai.goal.Goal.Flag> goalTypes = new com.destroystokyo.paper.util.set.OptimizedSmallEnumSet<>(Goal.Flag.class); // Paper - remove streams from pathfindergoalselector
public abstract boolean canUse();
@@ -30,8 +31,10 @@ 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);
+ // Paper end - remove streams from pathfindergoalselector
}
@Override
@@ -39,8 +42,10 @@ public abstract class Goal {
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> 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 19ee04dd92b39a775260f832ca8880335d24988b..a910189177da0c1134c954b3d81b9e9bc4bc1420 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
@@ -29,10 +29,12 @@ public class GoalSelector {
private final Map<Goal.Flag, WrappedGoal> lockedFlags = new EnumMap<>(Goal.Flag.class);
public final Set<WrappedGoal> availableGoals = Sets.newLinkedHashSet();
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 com.destroystokyo.paper.util.set.OptimizedSmallEnumSet<net.minecraft.world.entity.ai.goal.Goal.Flag> goalTypes = new com.destroystokyo.paper.util.set.OptimizedSmallEnumSet<>(Goal.Flag.class); // Paper - remove streams from pathfindergoalselector
private int tickCount;
private int newGoalRate = 3;
private int curRate;
+ private static final Goal.Flag[] GOAL_FLAG_VALUES = Goal.Flag.values(); // Paper - remove streams from pathfindergoalselector
public GoalSelector(Supplier<ProfilerFiller> profiler) {
this.profiler = profiler;
@@ -62,26 +64,32 @@ public class GoalSelector {
}
// Paper end
public void removeGoal(Goal goal) {
- this.availableGoals.stream().filter((wrappedGoal) -> {
- return wrappedGoal.getGoal() == goal;
- }).filter(WrappedGoal::isRunning).forEach(WrappedGoal::stop);
- this.availableGoals.removeIf((wrappedGoal) -> {
- return wrappedGoal.getGoal() == goal;
- });
- }
-
- private static boolean goalContainsAnyFlags(WrappedGoal goal, EnumSet<Goal.Flag> controls) {
- for(Goal.Flag flag : goal.getFlags()) {
- if (controls.contains(flag)) {
- return true;
+ // Paper start - remove streams from pathfindergoalselector
+ for (java.util.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
+ }
- return false;
+ private static boolean goalContainsAnyFlags(WrappedGoal goal, com.destroystokyo.paper.util.set.OptimizedSmallEnumSet<Goal.Flag> controls) {
+ return goal.getFlags().hasCommonElements(controls); // Paper
}
private static boolean goalCanBeReplacedForAllFlags(WrappedGoal goal, Map<Goal.Flag, WrappedGoal> goalsByControl) {
- for(Goal.Flag flag : goal.getFlags()) {
+ // Paper start
+ 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 ^= io.papermc.paper.util.IntegerUtil.getTrailingBit(flagIterator);
+ // Paper end
if (!goalsByControl.getOrDefault(flag, NO_GOAL).canBeReplacedBy(goal)) {
return false;
}
@@ -95,7 +103,7 @@ 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())) {
wrappedGoal.stop();
}
}
@@ -113,8 +121,14 @@ 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 ^= io.papermc.paper.util.IntegerUtil.getTrailingBit(flagIterator);
+ // Paper end
WrappedGoal wrappedGoal3 = this.lockedFlags.getOrDefault(flag, NO_GOAL);
wrappedGoal3.stop();
this.lockedFlags.put(flag, wrappedGoal2);
@@ -154,11 +168,11 @@ 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 6665ce5f48316e626907e6937d5ef1bc398a7ebd..51deb4455cac055ffa455e4f34aa30858d2fb448 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 com.destroystokyo.paper.util.set.OptimizedSmallEnumSet<Goal.Flag> getFlags() {
return this.goal.getFlags();
+ // Paper end - remove streams from pathfindergoalselector
}
public boolean isRunning() {
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