mirror of
https://github.com/PaperMC/Paper.git
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172 lines
7.0 KiB
Diff
172 lines
7.0 KiB
Diff
From ce3b80309494df7c3a3f9c288d3cfe5d07fd8fb3 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 1 Nov 2018 19:45:51 -0400
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Subject: [PATCH] Optimize Small Entity Movement
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Optimizes small movements by entities by merging the movement
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into the entities next larger movement, until enough movement
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velocity has been hit.
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This reduces collision detection and able to reduce movement
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cpu cost by 5-7%.
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The default option of 0.75 seems to provide all the gains without
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any noticable behavior change to entity movement.
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We have to exclude slimes due to weird jumping animation bugs.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index eabb2c1bad..f6d4c476bc 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -569,4 +569,10 @@ public class PaperWorldConfig {
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private void preventMovingIntoUnloadedChunks() {
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preventMovingIntoUnloadedChunks = getBoolean("prevent-moving-into-unloaded-chunks", false);
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}
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+
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+ public double mergeEntityMovement = 0.075D;
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+ private void mergeEntityMovement() {
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+ mergeEntityMovement = getDouble("merge-entity-movement", mergeEntityMovement);
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+ }
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+
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}
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 32b90f30d9..5031e4737d 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -558,6 +558,15 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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+ // Paper start
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+ protected double pendingX = 0D;
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+ protected double pendingY = 0D;
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+ protected double pendingZ = 0D;
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+ public boolean shouldMergeMovement(double mergeMin, double d0, double d1, double d2) {
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+ return d0 * d0 < mergeMin && d1 * d1 < mergeMin && d2 * d2 < mergeMin;
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+ }
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+ // Paper end
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+
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public void extinguish() {
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this.fireTicks = 0;
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}
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@@ -580,6 +589,23 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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this.a(this.getBoundingBox().d(d0, d1, d2));
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this.recalcPosition();
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} else {
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+ // Paper start
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+ final double mergeMin = this.world.paperConfig.mergeEntityMovement;
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+ if (mergeMin > 0 && enummovetype == EnumMoveType.SELF) {
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+ if (pendingX != 0D) {
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+ d0 += pendingX;
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+ pendingX = 0D;
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+ }
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+ if (pendingY != 0D) {
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+ d1 += pendingY;
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+ pendingY = 0D;
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+ }
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+ if (pendingZ != 0D) {
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+ d2 += pendingZ;
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+ pendingZ = 0D;
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+ }
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+ }
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+ // Paper end
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if (enummovetype == EnumMoveType.PISTON) {
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this.activatedTick = MinecraftServer.currentTick + 20; // Paper
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long i = this.world.getTime();
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@@ -683,6 +709,17 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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}
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+ // Paper start
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+ if (mergeMin > 0 && enummovetype == EnumMoveType.SELF && shouldMergeMovement(mergeMin, d0, d1, d2)) {
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+ pendingX = d0;
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+ pendingY = d1;
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+ pendingZ = d2;
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+ d0 = d7 = 0;
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+ d1 = d8 = 0;
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+ d2 = d9 = 0;
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+ }
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+ // Paper end
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+
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AxisAlignedBB axisalignedbb = this.getBoundingBox();
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if (d0 != 0.0D || d1 != 0.0D || d2 != 0.0D) {
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diff --git a/src/main/java/net/minecraft/server/EntityOcelot.java b/src/main/java/net/minecraft/server/EntityOcelot.java
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index 90a7e00a05..630e2407b3 100644
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--- a/src/main/java/net/minecraft/server/EntityOcelot.java
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+++ b/src/main/java/net/minecraft/server/EntityOcelot.java
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@@ -64,6 +64,14 @@ public class EntityOcelot extends EntityTameableAnimal {
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return !this.isTamed() && !this.hasCustomName() && !this.isLeashed() /*&& this.ticksLived > 2400*/; // CraftBukkit - Paper (honor name and leash)
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}
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+ // Paper start
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+ @Override
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+ public boolean shouldMergeMovement(double mergeMin, double d0, double d1, double d2) {
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+ // Cats have weird movement bugs when a move is skipped, ideally we can fix this and fix that state
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+ return false;
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+ }
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+ // Paper end
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+
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protected void initAttributes() {
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super.initAttributes();
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this.getAttributeInstance(GenericAttributes.maxHealth).setValue(10.0D);
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diff --git a/src/main/java/net/minecraft/server/EntityParrot.java b/src/main/java/net/minecraft/server/EntityParrot.java
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index 86488e9709..e6348a2931 100644
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--- a/src/main/java/net/minecraft/server/EntityParrot.java
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+++ b/src/main/java/net/minecraft/server/EntityParrot.java
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@@ -91,6 +91,14 @@ public class EntityParrot extends EntityPerchable implements EntityBird {
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this.goalSelector.a(3, new PathfinderGoalFollowEntity(this, 1.0D, 3.0F, 7.0F));
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}
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+ // Paper start
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+ @Override
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+ public boolean shouldMergeMovement(double mergeMin, double d0, double d1, double d2) {
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+ // Parrots have weird movement bugs when a move is skipped, ideally we can fix this and fix that state
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+ return false;
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+ }
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+ // Paper end
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+
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protected void initAttributes() {
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super.initAttributes();
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this.getAttributeMap().b(GenericAttributes.e);
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diff --git a/src/main/java/net/minecraft/server/EntitySlime.java b/src/main/java/net/minecraft/server/EntitySlime.java
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index e63f4afa9b..f1266c0ce1 100644
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--- a/src/main/java/net/minecraft/server/EntitySlime.java
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+++ b/src/main/java/net/minecraft/server/EntitySlime.java
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@@ -495,6 +495,12 @@ public class EntitySlime extends EntityInsentient implements IMonster {
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}
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// Paper start
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+ @Override
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+ public boolean shouldMergeMovement(double mergeMin, double d0, double d1, double d2) {
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+ // Slimes have weird movement bugs when a move is skipped, ideally we can fix this and fix that state
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+ return false;
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+ }
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+
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private boolean canWander = true;
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public boolean canWander() {
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return canWander;
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diff --git a/src/main/java/net/minecraft/server/EntityWolf.java b/src/main/java/net/minecraft/server/EntityWolf.java
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index 68db6af622..8ba3438f77 100644
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--- a/src/main/java/net/minecraft/server/EntityWolf.java
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+++ b/src/main/java/net/minecraft/server/EntityWolf.java
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@@ -342,6 +342,14 @@ public class EntityWolf extends EntityTameableAnimal {
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this.datawatcher.set(EntityWolf.bI, Integer.valueOf(enumcolor.getColorIndex()));
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}
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+ // Paper start
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+ @Override
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+ public boolean shouldMergeMovement(double mergeMin, double d0, double d1, double d2) {
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+ // Wolf have weird movement bugs when a move is skipped, ideally we can fix this and fix that state
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+ return false;
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+ }
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+ // Paper end
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+
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public EntityWolf b(EntityAgeable entityageable) {
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EntityWolf entitywolf = EntityTypes.WOLF.create(world); // Paper
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UUID uuid = this.getOwnerUUID();
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--
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2.19.1
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