Paper/patches/server/0343-Prevent-consuming-the-wrong-itemstack.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: kickash32 <kickash32@gmail.com>
Date: Mon, 19 Aug 2019 19:42:35 +0500
Subject: [PATCH] Prevent consuming the wrong itemstack
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index 32507c52d90393101ef5140de0d82518e5cbfbcc..53951f2c4dc77e9723d0a6314781d9ee0aa8ce54 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -3548,15 +3548,18 @@ public abstract class LivingEntity extends Entity {
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this.entityData.set(LivingEntity.DATA_LIVING_ENTITY_FLAGS, (byte) j);
}
- public void startUsingItem(InteractionHand hand) {
- ItemStack itemstack = this.getItemInHand(hand);
+ // Paper start -- OBFHELPER and forwarder to method with forceUpdate parameter
+ public void startUsingItem(InteractionHand hand) { this.updateActiveItem(hand, false); }
+ public void updateActiveItem(InteractionHand enumhand, boolean forceUpdate) {
+ // Paper end
+ ItemStack itemstack = this.getItemInHand(enumhand);
- if (!itemstack.isEmpty() && !this.isUsingItem()) {
+ if (!itemstack.isEmpty() && !this.isUsingItem() || forceUpdate) { // Paper use override flag
this.useItem = itemstack;
this.useItemRemaining = itemstack.getUseDuration();
if (!this.level.isClientSide) {
this.setLivingEntityFlag(1, true);
- this.setLivingEntityFlag(2, hand == InteractionHand.OFF_HAND);
+ this.setLivingEntityFlag(2, enumhand == InteractionHand.OFF_HAND);
}
}
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@@ -3629,6 +3632,7 @@ public abstract class LivingEntity extends Entity {
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this.releaseUsingItem();
} else {
if (!this.useItem.isEmpty() && this.isUsingItem()) {
+ this.updateActiveItem(this.getUsedItemHand(), true); // Paper
this.triggerItemUseEffects(this.useItem, 16);
// CraftBukkit start - fire PlayerItemConsumeEvent
ItemStack itemstack;
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@@ -3663,8 +3667,8 @@ public abstract class LivingEntity extends Entity {
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}
this.stopUsingItem();
- // Paper start - if the replacement is anything but the default, update the client inventory
- if (this instanceof ServerPlayer && !com.google.common.base.Objects.equal(defaultReplacement, itemstack)) {
+ // Paper start
+ if (this instanceof ServerPlayer) {
((ServerPlayer) this).getBukkitEntity().updateInventory();
}
// Paper end