PaperMC/Spigot-Server-Patches/0576-Fix-Entity-Teleportation-and-cancel-velocity-if-tele.patch
Aikar 4be8312fe7
[CI-SKIP] [Auto] Rebuild Patches
A recent commit has been made that caused patches to be out of order, rebuilding
2020-09-03 21:52:16 -04:00

57 lines
3.8 KiB
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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 45e7e30892d031df42ae72de28ba4bbe8e1a6cd5..1ee01486f880992c2694f1dd637e9828b1d40c2d 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1318,6 +1318,7 @@ 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 3aa56d5246660aa49fa881f0b3c80c986cb4a27f..b067f3b7031509bb94e617785e5a4d19b9d5d3e1 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -501,7 +501,7 @@ 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;
@@ -1302,7 +1302,7 @@ 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 b1fdc5737d332c6210d57793468da1eda8f8b9d2..6ceb2d50c59b63a337364605f8a5280d905f2662 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -547,7 +547,7 @@ 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