36 lines
2.0 KiB
Diff
36 lines
2.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Lukasz Derlatka <toranktto@gmail.com>
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Date: Mon, 11 Nov 2019 16:08:13 +0100
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Subject: [PATCH] Fix AssertionError when player hand set to empty type
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Fixes an AssertionError when setting the player's item in hand to null or a new ItemStack of Air in PlayerInteractEvent
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Fixes GH-2718
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diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
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index 04b3af834457c4f210122cebc5bff5aa85ad3f47..ae3443aef2040fd2d3d214617c1b899309d127b7 100644
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--- a/src/main/java/net/minecraft/server/EntityLiving.java
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+++ b/src/main/java/net/minecraft/server/EntityLiving.java
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@@ -2049,6 +2049,7 @@ public abstract class EntityLiving extends Entity {
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return predicate.test(this.getItemInMainHand().getItem()) || predicate.test(this.getItemInOffHand().getItem());
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}
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+ public final ItemStack getItemInHand(EnumHand enumhand) { return this.b(enumhand); } // Paper - OBFHELPER
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public ItemStack b(EnumHand enumhand) {
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if (enumhand == EnumHand.MAIN_HAND) {
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return this.getEquipment(EnumItemSlot.MAINHAND);
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diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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index 342d519ad8df0c781b592af0c39c0b8043607474..7dc2c389fba46867807d76f75fea9fd7264d82e3 100644
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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@@ -1473,6 +1473,10 @@ public class PlayerConnection implements PacketListenerPlayIn {
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this.player.getBukkitEntity().updateInventory(); // SPIGOT-2524
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return;
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}
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+ // Paper start
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+ itemstack = this.player.getItemInHand(enumhand);
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+ if (itemstack.isEmpty()) return;
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+ // Paper end
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EnumInteractionResult enuminteractionresult = this.player.playerInteractManager.a(this.player, worldserver, itemstack, enumhand);
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if (enuminteractionresult.b()) {
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