84 Zeilen
5.3 KiB
Diff
84 Zeilen
5.3 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 b7454592b9cee09f41631db6664cb18e2f890479..b45f79e83fc033424472b4044ab15a8c93cb0aec 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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@@ -681,7 +681,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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public void handleAcceptTeleportPacket(ServerboundAcceptTeleportationPacket packet) {
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PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
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if (packet.getId() == this.awaitingTeleport && this.awaitingPositionFromClient != null) { // CraftBukkit
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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 - use proper setPositionRotation for teleportation
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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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@@ -1548,7 +1548,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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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 - use proper setPositionRotation for teleportation
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this.player.connection.send(new ClientboundPlayerPositionPacket(d0 - d3, d1 - d4, d2 - d5, f - f2, f1 - f3, set, this.awaitingTeleport, flag));
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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 4e1ebc2e40e65925f7b65a65107f14516b58b0ba..bdcdf3fc5f471d0a5db7f892537cfb596bf83136 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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@@ -152,6 +152,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
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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 - 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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@@ -1544,6 +1545,13 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
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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 - cancel entity 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
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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/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
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index b9e738542692aba7b78fc514ae8e3248df9998ea..c601b8b12756682a4cb300be8ebed4319902c5b5 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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@@ -170,6 +170,7 @@ public abstract class BaseSpawner {
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return;
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}
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+ entity.preserveMotion = true; // Paper - preserve entity motion from tag
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entity.moveTo(entity.getX(), entity.getY(), entity.getZ(), world.random.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 33bcc85c438ef3eb5310321353e1bfdc6c63ae99..8ae4e824ecb5d039848e574d352c019935f7093f 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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@@ -565,7 +565,7 @@ 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 setPosition, 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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