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Fix Entity Teleportation and cancel velocity if teleported (#4210)

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Daniel Ennis 2020-09-03 21:48:44 -04:00
parent 55c99a8953
commit 6f266255ec
1 changed files with 57 additions and 0 deletions
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Spigot-Server-Patches/Fix-Entity-Teleportation-and-cancel-velocity-if-tele.patch Normal file
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@ -0,0 +1,57 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 25 Aug 2020 20:45:36 -0400
Subject: [PATCH] Fix Entity Teleportation and cancel velocity if teleported
Uses correct setPositionRotation for Entity teleporting instead of setLocation
as this is how Vanilla teleports entities.
Cancel any pending motion when teleported.
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -0,0 +0,0 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
public void setPositionRotation(double d0, double d1, double d2, float f, float f1) {
+ this.mot = new Vec3D(0, 0, 0); // Paper - cancel entity velocity if teleported
this.g(d0, d1, d2);
this.yaw = f;
this.pitch = f1;
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -0,0 +0,0 @@ public class PlayerConnection implements PacketListenerPlayIn {
public void a(PacketPlayInTeleportAccept packetplayinteleportaccept) {
PlayerConnectionUtils.ensureMainThread(packetplayinteleportaccept, this, this.player.getWorldServer());
if (packetplayinteleportaccept.b() == this.teleportAwait && this.teleportPos != null) { // CraftBukkit
- this.player.setLocation(this.teleportPos.x, this.teleportPos.y, this.teleportPos.z, this.player.yaw, this.player.pitch);
+ this.player.setPositionRotation(this.teleportPos.x, this.teleportPos.y, this.teleportPos.z, this.player.yaw, this.player.pitch); // Paper - use proper setPositionRotation for teleportation
this.o = this.teleportPos.x;
this.p = this.teleportPos.y;
this.q = this.teleportPos.z;
@@ -0,0 +0,0 @@ public class PlayerConnection implements PacketListenerPlayIn {
// CraftBukkit end
this.A = this.e;
- this.player.setLocation(d0, d1, d2, f, f1);
+ this.player.setPositionRotation(d0, d1, d2, f, f1); // Paper - use proper setPositionRotation for teleportation
this.player.forceCheckHighPriority(); // Paper
this.player.playerConnection.sendPacket(new PacketPlayOutPosition(d0 - d3, d1 - d4, d2 - d5, f - f2, f1 - f3, set, this.teleportAwait));
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -0,0 +0,0 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
}
// entity.setLocation() throws no event, and so cannot be cancelled
- entity.setLocation(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
+ entity.setPositionRotation(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch()); // Paper - use proper setPosition, as per vanilla teleporting
// SPIGOT-619: Force sync head rotation also
entity.setHeadRotation(location.getYaw());
((net.minecraft.server.WorldServer) entity.world).chunkCheck(entity); // Spigot - register to new chunk