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https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-15 11:00:06 +01:00
38be4f873b
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: 2c64d8c4 SPIGOT-7309: Add API for jukebox inventories a6d7e4ca PR-826: Add Sniffer API CraftBukkit Changes: 93813509b SPIGOT-7309: Add API for jukebox inventories 2d5209e8d PR-1153: Handle teleport reason in spreadplayers command f5b61387e SPIGOT-7308: Fix NullPointerException when calling Jukebox#setRecord() 388d458a6 SPIGOT-7306: Fix reset of coords in default teleportTo in EntityPlayer 40b87e1af PR-1150: Add Sniffer API and handle EntityItemDropEvent Spigot Changes: 6ad4b93c SPIGOT-7298: Fix debug stick always permission left click toggle
51 Zeilen
2.4 KiB
Diff
51 Zeilen
2.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: BillyGalbreath <blake.galbreath@gmail.com>
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Date: Tue, 8 Dec 2020 20:24:52 -0600
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Subject: [PATCH] MC-4: Fix item position desync
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This fixes item position desync (MC-4) by running the item coordinates
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through the encode/decode methods of the packet that causes the precision
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loss, which forces the server to lose the same precision as the client
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keeping them in sync.
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diff --git a/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java b/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java
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index 5ca3ad7b3d7606accd0a58b3c708fadb349608f7..4b6e0fe2fabcc55007fd8979e81f66df9c0278b7 100644
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--- a/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java
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+++ b/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java
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@@ -9,12 +9,12 @@ public class VecDeltaCodec {
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@VisibleForTesting
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static long encode(double value) {
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- return Math.round(value * 4096.0D);
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+ return Math.round(value * 4096.0D); // Paper - diff on change
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}
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@VisibleForTesting
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static double decode(long value) {
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- return (double)value / 4096.0D;
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+ return (double)value / 4096.0D; // Paper - diff on change
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}
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public Vec3 decode(long x, long y, long z) {
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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 443bf4c32105a88efbb4df0b8b803cb39ee8b751..d1eb347b80fcee37f59012505dd0ae5787f95d7b 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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@@ -4099,6 +4099,16 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
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return;
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}
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// Paper end - rewrite chunk system
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+ // Paper start - fix MC-4
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+ if (this instanceof ItemEntity) {
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+ if (io.papermc.paper.configuration.GlobalConfiguration.get().misc.fixEntityPositionDesync) {
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+ // encode/decode from ClientboundMoveEntityPacket
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+ x = Mth.lfloor(x * 4096.0D) * (1 / 4096.0D);
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+ y = Mth.lfloor(y * 4096.0D) * (1 / 4096.0D);
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+ z = Mth.lfloor(z * 4096.0D) * (1 / 4096.0D);
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+ }
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+ }
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+ // Paper end - fix MC-4
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if (this.position.x != x || this.position.y != y || this.position.z != z) {
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this.position = new Vec3(x, y, z);
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int i = Mth.floor(x);
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