3
0
Mirror von https://github.com/PaperMC/Paper.git synchronisiert 2024-11-15 12:30:06 +01:00
Paper/Spigot-Server-Patches/0569-Fix-Entity-Teleportation-and-cancel-velocity-if-tele.patch
2020-12-07 23:51:55 -08:00

72 Zeilen
4.3 KiB
Diff

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 6aeea48d4cf4732f6a5a5dba12af873c2aee493b..fa0256a99c833e6035b8d3e873a93af2b674ef52 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -54,6 +54,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
// CraftBukkit start
private static final int CURRENT_LEVEL = 2;
+ boolean preserveMotion = true; // Paper - keep initial motion on first setPositionRotation
static boolean isLevelAtLeast(NBTTagCompound tag, int level) {
return tag.hasKey("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
}
@@ -1317,6 +1318,13 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
public void setPositionRotation(double d0, double d1, double d2, float f, float f1) {
+ // Paper - cancel entity velocity if teleported
+ if (!preserveMotion) {
+ this.mot = Vec3D.ORIGIN;
+ } else {
+ this.preserveMotion = false;
+ }
+ // Paper end
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 8a4a7888089a10416fc0cf88007b7a958e903a4c..c0524ff9f49dffa4010bdeef301c0d7a059046d4 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -542,7 +542,7 @@ 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;
@@ -1376,7 +1376,7 @@ 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 2ca79b3e9b3418a2a8dd8ee9e3fb9d41aec1e43c..f1243b308e44d7c08e007d8ce080c2fc6248753c 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -549,7 +549,7 @@ 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