Optimize EntityDataManager by dropping its lock
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package io.izzel.arclight.impl.common.optimization;
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import org.jetbrains.annotations.NotNull;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.locks.Condition;
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import java.util.concurrent.locks.Lock;
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import java.util.concurrent.locks.ReadWriteLock;
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public class NoopReadWriteLock implements ReadWriteLock {
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private static final NoopReadWriteLock INSTANCE = new NoopReadWriteLock();
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private static final NoopLock LOCK = new NoopLock();
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@NotNull
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@Override
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public Lock readLock() {
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return LOCK;
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}
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@NotNull
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@Override
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public Lock writeLock() {
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return LOCK;
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}
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public static ReadWriteLock instance() {
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return INSTANCE;
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}
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private static class NoopLock implements Lock {
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@Override
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public void lock() {
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}
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@Override
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public void lockInterruptibly() throws InterruptedException {
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}
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@Override
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public boolean tryLock() {
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return true;
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}
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@Override
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public boolean tryLock(long time, @NotNull TimeUnit unit) throws InterruptedException {
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return true;
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}
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@Override
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public void unlock() {
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}
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@NotNull
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@Override
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public Condition newCondition() {
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throw new AssertionError();
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}
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}
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}
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@ -0,0 +1,25 @@
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package io.izzel.arclight.impl.mixin.optimization.general;
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import io.izzel.arclight.impl.common.optimization.NoopReadWriteLock;
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import net.minecraft.entity.Entity;
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import net.minecraft.network.datasync.EntityDataManager;
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import org.spongepowered.asm.mixin.Final;
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import org.spongepowered.asm.mixin.Mixin;
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import org.spongepowered.asm.mixin.Mutable;
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import org.spongepowered.asm.mixin.Shadow;
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import org.spongepowered.asm.mixin.injection.At;
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import org.spongepowered.asm.mixin.injection.Inject;
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import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
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import java.util.concurrent.locks.ReadWriteLock;
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@Mixin(EntityDataManager.class)
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public class EntityDataManagerMixin_Optimize {
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@Shadow @Final @Mutable private ReadWriteLock lock;
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@Inject(method = "<init>", at = @At("RETURN"))
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private void optimize$dropLock(Entity entityIn, CallbackInfo ci) {
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this.lock = NoopReadWriteLock.instance();
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}
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}
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@ -5,6 +5,7 @@
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"refmap": "mixins.arclight.impl.refmap.1_16.json",
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"mixins": [
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"ClassInheritanceMultiMapMixin",
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"EntityDataManagerMixin_Optimize",
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"VoxelShapesMixin",
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"activationrange.ActivationRangeMixin",
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"activationrange.EntityMixin_ActivationRange",
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