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35 lines
2.6 KiB
Diff
35 lines
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
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Date: Thu, 23 Dec 2021 23:59:12 -0500
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Subject: [PATCH] Fix Entity Position Desync
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If entities were teleported in the first tick it would not be send to the client.
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This excludes hanging entities, as this fix caused problematic behavior due to them having their own
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position field.
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This also fixes desync caused be relatively teleporting paintings. (https://bugs.mojang.com/browse/MC-249169)
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This is caused by the fact that setPacketCoordinates isn't called on paintings when they are spawned (unlike every other entity, like XP orbs)
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on the client for some reason. This causes it to be relatively teleported to the world origin (0,0,0).
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diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
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index fe29bf349b987d633b185b9d44d221053fa2cc83..f91e1a876ad4c46a7c92cead18947a941b4d9e68 100644
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--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
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+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
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@@ -164,13 +164,14 @@ public class ServerEntity {
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}
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// CraftBukkit end
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- if (this.tickCount > 0 || this.entity instanceof AbstractArrow) {
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+ if (!(this.entity instanceof net.minecraft.world.entity.decoration.HangingEntity) || this.tickCount > 0 || this.entity instanceof AbstractArrow) { // Paper - Always update position
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// Paper start - remove allocation of Vec3D here
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long k = ClientboundMoveEntityPacket.entityToPacket(vec3d_dx);
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long l = ClientboundMoveEntityPacket.entityToPacket(vec3d_dy);
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long i1 = ClientboundMoveEntityPacket.entityToPacket(vec3d_dz);
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// Paper end - remove allocation of Vec3D here
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boolean flag4 = k < -32768L || k > 32767L || l < -32768L || l > 32767L || i1 < -32768L || i1 > 32767L;
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+ if (this.entity instanceof net.minecraft.world.entity.decoration.Painting) {flag4 = true;} // Paper - Always send exact position for paintings
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if (!flag4 && this.teleportDelay <= 400 && !this.wasRiding && this.wasOnGround == this.entity.isOnGround() && !(com.destroystokyo.paper.PaperConfig.sendFullPosForHardCollidingEntities && this.entity.hardCollides())) { // Paper - send full pos for hard colliding entities to prevent collision problems due to desync
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if ((!flag2 || !flag3) && !(this.entity instanceof AbstractArrow)) {
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