Paper/patches/server/0943-Properly-Cancel-Usable-Items.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Tue, 23 May 2023 22:33:36 -0400
Subject: [PATCH] Properly Cancel Usable Items
This fixes the bug causing cancelling PlayerInteractEvent to cause items to continue to be used despite being cancelled on the server.
For example, items being consumed but never finishing, shields being put up, etc.
The underlying issue of this is that the client modifies their synced data values, and so we have to (forcibly) resend
them in order for the client to reset their using item state.
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
2023-12-06 17:34:54 +01:00
index f58386e952d29a16d160b628a23efbe102791277..82f26186156a487f29ad3abff3f68852e5b8a1f9 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -557,6 +557,7 @@ public class ServerPlayerGameMode {
}
// Paper end - extend Player Interact cancellation
player.getBukkitEntity().updateInventory(); // SPIGOT-2867
+ this.player.resyncUsingItem(this.player); // Paper - Resend player's using item status
enuminteractionresult = (event.useItemInHand() != Event.Result.ALLOW) ? InteractionResult.SUCCESS : InteractionResult.PASS;
} else if (this.gameModeForPlayer == GameType.SPECTATOR) {
MenuProvider itileinventory = iblockdata.getMenuProvider(world, blockposition);
@@ -600,6 +601,11 @@ public class ServerPlayerGameMode {
return enuminteractionresult1;
}
+ // Paper start - Cancel only if cancelled + if the interact result is different from default response
+ else if (this.interactResult && this.interactResult != cancelledItem) {
+ this.player.resyncUsingItem(this.player);
+ }
+ // Paper end
}
return enuminteractionresult;
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 207576cbf4517d43a5159d7543db47782612c8c9..ccd6b734534a9f2b4205ee857ac650b26be74d5e 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
2023-12-06 17:34:54 +01:00
@@ -1951,6 +1951,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
}
if (cancelled) {
+ this.player.resyncUsingItem(this.player); // Paper - Resend player's using item status
this.player.getBukkitEntity().updateInventory(); // SPIGOT-2524
return;
}
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) 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: cc9aa21a SPIGOT-6399, SPIGOT-7344: Clarify collidable behavior for player entities f23325b6 Add API for per-world simulation distances 26e1774e Add API for per-world view distances 0b541e60 Add PlayerLoginEvent#getRealAddress 5f027d2d PR-949: Add Vector#fromJOML() overloads for read-only vector types CraftBukkit Changes: bcf56171a PR-1321: Clean up some stuff which got missed during previous PRs 7f833a2d1 SPIGOT-7462: Players no longer drop XP after dying near a Sculk Catalyst 752aac669 Implement APIs for per world view and simulation distances 57d7ef433 Preserve empty enchantment tags for glow effect 465ec3fb4 Remove connected check on setScoreboard f90ce621e Use one PermissibleBase for all command blocks 5876cca44 SPIGOT-7550: Fix creation of Arrow instances f03fc3aa3 SPIGOT-7549: ServerTickManager#setTickRate incorrect Precondition 9d7f49b01 SPIGOT-7548: Fix wrong spawn location for experience orb and dropped item Spigot Changes: ed9ba9a4 Drop no longer required patch ignoring -o option 86b5dd6a SPIGOT-7546: Fix hardcoded check for outdated client message aa7cde7a Remove obsolete APIs for per world view and simulation distances 6dff577e Remove obsolete patch preserving empty `ench` tags a3bf95b8 Remove obsolete PlayerLoginEvent#getRealAddress 1b02f5d6 Remove obsolete connected check on setScoreboard patch acf717eb Remove obsolete command block PermissibleBase patch 053fa2a9 Remove redundant patch dealing with null tile entities
2023-12-25 23:51:56 +01:00
index 070d9630af6d8c29de9df3b59ce14c57637ebf6d..3ce5c06a6c154c0b8c9f2aaaa0a2f9d092cc4551 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
2023-12-06 17:34:54 +01:00
@@ -3813,6 +3813,11 @@ public abstract class LivingEntity extends Entity implements Attackable {
return ((Byte) this.entityData.get(LivingEntity.DATA_LIVING_ENTITY_FLAGS) & 2) > 0 ? InteractionHand.OFF_HAND : InteractionHand.MAIN_HAND;
}
+ // Paper start
+ public void resyncUsingItem(ServerPlayer serverPlayer) {
+ this.getEntityData().resendPossiblyDesyncedDataValues(java.util.List.of(DATA_LIVING_ENTITY_FLAGS), serverPlayer);
+ }
+ // Paper end
private void updatingUsingItem() {
if (this.isUsingItem()) {
if (ItemStack.isSameItem(this.getItemInHand(this.getUsedItemHand()), this.useItem)) {