77a5779e24
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: 2ec53f49 PR-1050: Fix empty result check for Complex Recipes 10671012 PR-1044: Add CrafterCraftEvent 4d87ffe0 Use correct method in JavaDoc ae5e5817 SPIGOT-7850: Add API for Bogged shear state 46b6d445 SPIGOT-7837: Support data pack banner patterns d5d0cefc Fix JavaDoc error b3c2b83d PR-1036: Add API for InventoryView derivatives 1fe2c75a SPIGOT-7809: Add ShieldMeta CraftBukkit Changes: 8ee6fd1b8 SPIGOT-7857: Improve ItemMeta block data deserialization 8f26c30c6 SPIGOT-7857: Fix spurious internal NBT tag when deserializing BlockStateMeta 759061b93 SPIGOT-7855: Fire does not spread or burn blocks 00fc9fb64 SPIGOT-7853: AnvilInventory#getRepairCost() always returns 0 7501e2e04 PR-1450: Add CrafterCraftEvent 8c51673e7 SPIGOT-5731: PortalCreateEvent#getEntity returns null for nether portals ignited by flint and steel d53d0d0b1 PR-1456: Fix inverted logic in CraftCrafterView#setSlotDisabled 682a678c8 SPIGOT-7850: Add API for Bogged shear state fccf5243a SPIGOT-7837: Support data pack banner patterns 9c3bd4390 PR-1431: Add API for InventoryView derivatives 0cc6acbc4 SPIGOT-7849: Fix FoodComponent serialize with "using-converts-to" using null 2c5474952 Don't rely on tags for CraftItemMetas 20d107e46 SPIGOT-7846: Fix ItemMeta for hanging signs 76f59e315 Remove redundant clone in Dropper InventoryMoveItemEvent e61a53d25 SPIGOT-7817: Call InventoryMoveItemEvent for Crafters 894682e2d SPIGOT-7839: Remove redundant Java version checks 2c12b2187 SPIGOT-7809: Add ShieldMeta and fix setting shield base colours Spigot Changes: fb8fb722 Rebuild patches 34bd42b7 SPIGOT-7835: Fix issue with custom hopper settings
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 488ebd443903af812913437f1ade3002093f2470..a043ac10834562d357ef0b5aded2e916e2a0d056 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 * 4096.0);
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+ return Math.round(value * 4096.0); // 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 / 4096.0;
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+ return value / 4096.0; // 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 b093de4b2bfdca0817b496e1b0a436b3f6be9c2f..e997c009821c3e7645a6acff163ece8c98f6db36 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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@@ -4260,6 +4260,16 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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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 * 4096.0) * (1 / 4096.0);
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+ y = Mth.lfloor(y * 4096.0) * (1 / 4096.0);
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+ z = Mth.lfloor(z * 4096.0) * (1 / 4096.0);
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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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