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https://github.com/PaperMC/Paper.git
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108 lines
7.4 KiB
Diff
108 lines
7.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Tue, 25 Aug 2020 20:45:36 -0400
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Subject: [PATCH] Fix Entity Teleportation and cancel velocity if teleported
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Uses correct setPositionRotation for Entity teleporting instead of setLocation
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as this is how Vanilla teleports entities.
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Cancel any pending motion when teleported.
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index f0e60add7df4d00ee5b84164a532b75f9d90cfa8..a7b270c0ba76f25876c4bb7bda60e61a670d15d9 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -679,7 +679,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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return;
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}
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- this.player.absMoveTo(this.awaitingPositionFromClient.x, this.awaitingPositionFromClient.y, this.awaitingPositionFromClient.z, this.player.getYRot(), this.player.getXRot());
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+ this.player.moveTo(this.awaitingPositionFromClient.x, this.awaitingPositionFromClient.y, this.awaitingPositionFromClient.z, this.player.getYRot(), this.player.getXRot()); // Paper - Fix Entity Teleportation and cancel velocity if teleported
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this.lastGoodX = this.awaitingPositionFromClient.x;
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this.lastGoodY = this.awaitingPositionFromClient.y;
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this.lastGoodZ = this.awaitingPositionFromClient.z;
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@@ -1594,7 +1594,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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// CraftBukkit end
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this.awaitingTeleportTime = this.tickCount;
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- this.player.absMoveTo(d0, d1, d2, f, f1);
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+ this.player.moveTo(d0, d1, d2, f, f1); // Paper - Fix Entity Teleportation and cancel velocity if teleported
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this.player.connection.send(new ClientboundPlayerPositionPacket(d0 - d3, d1 - d4, d2 - d5, f - f2, f1 - f3, set, this.awaitingTeleport));
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}
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index 284d0f88968d386559be94d1e1e7af361658da3f..8a1014d7181b493a24692271aa9c561c159801d3 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -171,6 +171,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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// CraftBukkit start
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private static final int CURRENT_LEVEL = 2;
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+ public boolean preserveMotion = true; // Paper - Fix Entity Teleportation and cancel velocity if teleported; keep initial motion on first setPositionRotation
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static boolean isLevelAtLeast(CompoundTag tag, int level) {
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return tag.contains("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
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}
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@@ -1873,6 +1874,13 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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}
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public void moveTo(double x, double y, double z, float yaw, float pitch) {
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+ // Paper start - Fix Entity Teleportation and cancel velocity if teleported
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+ if (!preserveMotion) {
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+ this.deltaMovement = Vec3.ZERO;
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+ } else {
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+ this.preserveMotion = false;
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+ }
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+ // Paper end - Fix Entity Teleportation and cancel velocity if teleported
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this.setPosRaw(x, y, z);
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this.setYRot(yaw);
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this.setXRot(pitch);
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diff --git a/src/main/java/net/minecraft/world/entity/boss/enderdragon/phases/DragonStrafePlayerPhase.java b/src/main/java/net/minecraft/world/entity/boss/enderdragon/phases/DragonStrafePlayerPhase.java
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index a28e6b6a50cfd9191732ad2e4aca5f639a1fae75..244e328c6f67cfa543ee283715bb3b89dbaa0f0c 100644
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--- a/src/main/java/net/minecraft/world/entity/boss/enderdragon/phases/DragonStrafePlayerPhase.java
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+++ b/src/main/java/net/minecraft/world/entity/boss/enderdragon/phases/DragonStrafePlayerPhase.java
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@@ -78,6 +78,7 @@ public class DragonStrafePlayerPhase extends AbstractDragonPhaseInstance {
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}
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DragonFireball dragonFireball = new DragonFireball(this.dragon.level(), this.dragon, vec34.normalize());
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+ dragonFireball.preserveMotion = true; // Paper - Fix Entity Teleportation and cancel velocity if teleported
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dragonFireball.moveTo(o, p, q, 0.0F, 0.0F);
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if (new com.destroystokyo.paper.event.entity.EnderDragonShootFireballEvent((org.bukkit.entity.EnderDragon) dragon.getBukkitEntity(), (org.bukkit.entity.DragonFireball) dragonFireball.getBukkitEntity()).callEvent()) // Paper - EnderDragon Events
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this.dragon.level().addFreshEntity(dragonFireball);
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diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
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index b90127f9f805fdb5bb43a4b8ad2b10499b0b6b78..8efc06d29c62fa2be8515ed3359d52a6d4b807d2 100644
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--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
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+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
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@@ -164,6 +164,7 @@ public abstract class BaseSpawner {
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return;
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}
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+ entity.preserveMotion = true; // Paper - Fix Entity Teleportation and cancel velocity if teleported; preserve entity motion from tag
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entity.moveTo(entity.getX(), entity.getY(), entity.getZ(), randomsource.nextFloat() * 360.0F, 0.0F);
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if (entity instanceof Mob) {
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Mob entityinsentient = (Mob) entity;
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index 34321f095e12ea0cca34ff1ec00819c6350205a8..5f5788a502642463091fb76e98703aaec7a86836 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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@@ -240,7 +240,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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}
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// entity.setLocation() throws no event, and so cannot be cancelled
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- this.entity.absMoveTo(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
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+ entity.moveTo(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch()); // Paper - use proper moveTo, as per vanilla teleporting
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// SPIGOT-619: Force sync head rotation also
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this.entity.setYHeadRot(location.getYaw());
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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index 344ef786330d1247fdfb56ef04be130c9ffb7d8f..af5aab1755f80222a249b1cc7da595af78dccbbd 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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@@ -590,6 +590,7 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
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}
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((AbstractHurtingProjectile) launch).projectileSource = this;
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+ launch.preserveMotion = true; // Paper - Fix Entity Teleportation and cancel velocity if teleported
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launch.moveTo(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
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} else if (LlamaSpit.class.isAssignableFrom(projectile)) {
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Location location = this.getEyeLocation();
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