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Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
26 lines
1.7 KiB
Diff
26 lines
1.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: chickeneer <emcchickeneer@gmail.com>
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Date: Tue, 16 Feb 2021 21:37:51 -0600
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Subject: [PATCH] Prevent grindstones from overstacking items
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diff --git a/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java b/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java
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index 1783661f38a6f5fb655ea83953b9467bd91a1302..95ac3446fba1f37637c9700080de2e1ce7a3550a 100644
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--- a/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java
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+++ b/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java
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@@ -198,13 +198,13 @@ public class GrindstoneMenu extends AbstractContainerMenu {
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i = Math.max(item.getMaxDamage() - l, 0);
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itemstack2 = this.mergeEnchants(itemstack, itemstack1);
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if (!itemstack2.isDamageableItem()) {
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- if (!ItemStack.matches(itemstack, itemstack1)) {
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+ if (!ItemStack.matches(itemstack, itemstack1) || (itemstack2.getMaxStackSize() == 1 && !io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.allowGrindstoneOverstacking)) { // Paper - add max stack size check & config value
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org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareGrindstoneEvent(this.getBukkitView(), ItemStack.EMPTY); // CraftBukkit
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this.broadcastChanges();
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return;
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}
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- b0 = 2;
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+ b0 = 2; // Paper - add max stack size check & config value; the problem line for above change, causing over-stacking
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}
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} else {
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boolean flag3 = !itemstack.isEmpty();
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