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31699ae9a8
* Updated Upstream (Bukkit/CraftBukkit) 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: a6a9d2a4 Remove some old ApiStatus.Experimental annotations be72314c SPIGOT-7300, PR-829: Add new DamageSource API providing enhanced information about entity damage b252cf05 SPIGOT-7576, PR-970: Add methods in MushroomCow to change stew effects b1c689bd PR-902: Add Server#isLoggingIPs to get log-ips configuration 08f86d1c PR-971: Add Player methods for client-side potion effects 2e3024a9 PR-963: Add API for in-world structures a23292a7 SPIGOT-7530, PR-948: Improve Resource Pack API with new 1.20.3 functionality 1851857b SPIGOT-3071, PR-969: Add entity spawn method with spawn reason cde4c52a SPIGOT-5553, PR-964: Add EntityKnockbackEvent CraftBukkit Changes: 38fd4bd50 Fix accidentally renamed internal damage method 80f0ce4be SPIGOT-7300, PR-1180: Add new DamageSource API providing enhanced information about entity damage 7e43f3b16 SPIGOT-7581: Fix typo in BlockMushroom ea14b7d90 SPIGOT-7576, PR-1347: Add methods in MushroomCow to change stew effects 4c687f243 PR-1259: Add Server#isLoggingIPs to get log-ips configuration 22a541a29 Improve support for per-world game rules cb7dccce2 PR-1348: Add Player methods for client-side potion effects b8d6109f0 PR-1335: Add API for in-world structures 4398a1b5b SPIGOT-7577: Make CraftWindCharge#explode discard the entity e74107678 Fix Crafter maximum stack size 0bb0f4f6a SPIGOT-7530, PR-1314: Improve Resource Pack API with new 1.20.3 functionality 4949f556d SPIGOT-3071, PR-1345: Add entity spawn method with spawn reason 20ac73ca2 PR-1353: Fix Structure#place not working as documented with 0 palette 3c1b77871 SPIGOT-6911, PR-1349: Change max book length in CraftMetaBook 333701839 SPIGOT-7572: Bee nests generated without bees f48f4174c SPIGOT-5553, PR-1336: Add EntityKnockbackEvent
51 Zeilen
2.5 KiB
Diff
51 Zeilen
2.5 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 05ac41e136da43284fb24a6b698ebd36318278fb..3c4ac79c094dc2fff7de94150a34b7bf814ac0de 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 - Fix MC-4; 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 - Fix MC-4; 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 863cca1cb36fd8cd147fe8526b2ebd5294e16236..7b4ddf822a8948a233d831946df97cc84692ba65 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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@@ -4170,6 +4170,16 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
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return;
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}
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// Paper end - Block invalid positions and bounding box
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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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