Paper/patches/server/0523-Fix-Entity-Teleportation-and-cancel-velocity-if-tele.patch
Nassim Jahnke 789bc79280
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#6457)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
c9a46ebf #653: Add World#spawn with randomizeData parameter
e49c2e3a Damageable should extend ItemMeta
01ff04f4 SPIGOT-5880, SPIGOT-5567: New ChunkGenerator API
ca5b4b1a SPIGOT-6697: Deprecate generateTree with BlockChangeDelegate as it does not handle tiles

CraftBukkit Changes:
7c8bbcbe SPIGOT-6716: Preserve the order of stored enchantments of enchanted books.
18027d02 #914: Add World#spawn with randomizeData parameter
3cad0316 SPIGOT-6714: Don't fire PlayerBucketEvent when empty
8c6d60cf Fix server crash with BlockPopulator when entities are at a negative chunk border
4f6bcc84 SPIGOT-5880, SPIGOT-5567: New ChunkGenerator API
78d5b35b SPIGOT-6697: Restore generateTree with BlockChangeDelegate behaviour
15792f0d Rebuild patch
c949675e SPIGOT-6713: Cancelling EntityTransformEvent Causes Deceased Slimes To Not Despawn
a955f15c Fix issues with new ChunkGenerator API
a0a37f41 SPIGOT-6630: Replacing an enchantment on an item creates a conflict error

Spigot Changes:
b166a49b Rebuild patches
3c1fc60a SPIGOT-6693: Composters only take in one item at custom hopper speeds
2021-08-25 09:59:26 +02:00

84 Zeilen
5.3 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/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index b7454592b9cee09f41631db6664cb18e2f890479..b45f79e83fc033424472b4044ab15a8c93cb0aec 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -681,7 +681,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
public void handleAcceptTeleportPacket(ServerboundAcceptTeleportationPacket packet) {
PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
if (packet.getId() == this.awaitingTeleport && this.awaitingPositionFromClient != null) { // CraftBukkit
- this.player.absMoveTo(this.awaitingPositionFromClient.x, this.awaitingPositionFromClient.y, this.awaitingPositionFromClient.z, this.player.getYRot(), this.player.getXRot());
+ this.player.moveTo(this.awaitingPositionFromClient.x, this.awaitingPositionFromClient.y, this.awaitingPositionFromClient.z, this.player.getYRot(), this.player.getXRot()); // Paper - use proper setPositionRotation for teleportation
this.lastGoodX = this.awaitingPositionFromClient.x;
this.lastGoodY = this.awaitingPositionFromClient.y;
this.lastGoodZ = this.awaitingPositionFromClient.z;
@@ -1548,7 +1548,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
// CraftBukkit end
this.awaitingTeleportTime = this.tickCount;
- this.player.absMoveTo(d0, d1, d2, f, f1);
+ this.player.moveTo(d0, d1, d2, f, f1); // Paper - use proper setPositionRotation for teleportation
this.player.connection.send(new ClientboundPlayerPositionPacket(d0 - d3, d1 - d4, d2 - d5, f - f2, f1 - f3, set, this.awaitingTeleport, flag));
}
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 73fc8ebd2ec207db2efc545f6bb304d53880b78f..bf1f22ee4e2a38b0fe2430dbeb20ae9f544ea423 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -152,6 +152,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
// CraftBukkit start
private static final int CURRENT_LEVEL = 2;
+ public boolean preserveMotion = true; // Paper - keep initial motion on first setPositionRotation
static boolean isLevelAtLeast(CompoundTag tag, int level) {
return tag.contains("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
}
@@ -1545,6 +1546,13 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
}
public void moveTo(double x, double y, double z, float yaw, float pitch) {
+ // Paper - cancel entity velocity if teleported
+ if (!preserveMotion) {
+ this.deltaMovement = Vec3.ZERO;
+ } else {
+ this.preserveMotion = false;
+ }
+ // Paper end
this.setPosRaw(x, y, z);
this.setYRot(yaw);
this.setXRot(pitch);
diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
index b9e738542692aba7b78fc514ae8e3248df9998ea..c601b8b12756682a4cb300be8ebed4319902c5b5 100644
--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
@@ -170,6 +170,7 @@ public abstract class BaseSpawner {
return;
}
+ entity.preserveMotion = true; // Paper - preserve entity motion from tag
entity.moveTo(entity.getX(), entity.getY(), entity.getZ(), world.random.nextFloat() * 360.0F, 0.0F);
if (entity instanceof Mob) {
Mob entityinsentient = (Mob) entity;
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index 17ad49994499982a08c1e8a4b4635647d669986a..187504b19f0194c700b5e498be191cf58b8d34ad 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -567,7 +567,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
}
// entity.setLocation() throws no event, and so cannot be cancelled
- this.entity.absMoveTo(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
+ entity.moveTo(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
this.entity.setYHeadRot(location.getYaw());