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path: root/patches/server/0838-Expand-PlayerItemMendEvent.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Thu, 20 Jan 2022 18:11:20 -0800
Subject: [PATCH] Expand PlayerItemMendEvent


diff --git a/src/main/java/net/minecraft/world/entity/ExperienceOrb.java b/src/main/java/net/minecraft/world/entity/ExperienceOrb.java
index adc3e6298a1946fdea029c82a9954fb5b6e24497..a207a31d80a302dbdfe80f8727222542d3a78da2 100644
--- a/src/main/java/net/minecraft/world/entity/ExperienceOrb.java
+++ b/src/main/java/net/minecraft/world/entity/ExperienceOrb.java
@@ -344,7 +344,7 @@ public class ExperienceOrb extends Entity {
             ItemStack itemstack = (ItemStack) entry.getValue();
             int j = Math.min(this.xpToDurability(amount), itemstack.getDamageValue());
             // CraftBukkit start
-            org.bukkit.event.player.PlayerItemMendEvent event = CraftEventFactory.callPlayerItemMendEvent(player, this, itemstack, entry.getKey(), j);
+            org.bukkit.event.player.PlayerItemMendEvent event = CraftEventFactory.callPlayerItemMendEvent(player, this, itemstack, entry.getKey(), j, this::durabilityToXp); // Paper - Expand PlayerItemMendEvent
             j = event.getRepairAmount();
             if (event.isCancelled()) {
                 return amount;
@@ -352,8 +352,13 @@ public class ExperienceOrb extends Entity {
             // CraftBukkit end
 
             itemstack.setDamageValue(itemstack.getDamageValue() - j);
-            int k = amount - this.durabilityToXp(j);
+            int k = amount - event.getDurabilityToXpOperation().applyAsInt(j); // Paper - Expand PlayerItemMendEvent
             this.value = k; // CraftBukkit - update exp value of orb for PlayerItemMendEvent calls
+            // Paper start - Expand PlayerItemMendEvent
+            if (j == 0 && amount == k) { // if repair amount is 0 and no xp was removed, don't do recursion; treat as cancelled
+                return k;
+            }
+            // Paper end - Expand PlayerItemMendEvent
 
             return k > 0 ? this.repairPlayerItems(player, k) : 0;
         } else {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 606b56bcb3fdc3c01a1a98f1c8de77ff0bc70727..7522a31d618e90d5109f3067e07748f9a07482a5 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1835,11 +1835,11 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
             orb.setPosRaw(handle.getX(), handle.getY(), handle.getZ());
 
             int i = Math.min(orb.xpToDurability(amount), itemstack.getDamageValue());
-            org.bukkit.event.player.PlayerItemMendEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerItemMendEvent(handle, orb, itemstack, stackEntry.getKey(), i);
+            org.bukkit.event.player.PlayerItemMendEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerItemMendEvent(handle, orb, itemstack, stackEntry.getKey(), i, orb::durabilityToXp); // Paper - Expand PlayerItemMendEvent
             i = event.getRepairAmount();
             orb.discard(org.bukkit.event.entity.EntityRemoveEvent.Cause.DESPAWN);
             if (!event.isCancelled()) {
-                amount -= orb.durabilityToXp(i);
+                amount -= event.getDurabilityToXpOperation().applyAsInt(i); // Paper - Expand PlayerItemMendEvent
                 itemstack.setDamageValue(itemstack.getDamageValue() - i);
             }
         }
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index cd515bbb191e23bbb297dcc2e849e64a26ee28da..355c9c8121a6ef60d6178eebc1587b90b9731f12 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1264,10 +1264,10 @@ public class CraftEventFactory {
         return event;
     }
 
-    public static PlayerItemMendEvent callPlayerItemMendEvent(net.minecraft.world.entity.player.Player entity, net.minecraft.world.entity.ExperienceOrb orb, net.minecraft.world.item.ItemStack nmsMendedItem, net.minecraft.world.entity.EquipmentSlot slot, int repairAmount) {
+    public static PlayerItemMendEvent callPlayerItemMendEvent(net.minecraft.world.entity.player.Player entity, net.minecraft.world.entity.ExperienceOrb orb, net.minecraft.world.item.ItemStack nmsMendedItem, net.minecraft.world.entity.EquipmentSlot slot, int repairAmount, java.util.function.IntUnaryOperator durabilityToXpOp) { // Paper - Expand PlayerItemMendEvent
         Player player = (Player) entity.getBukkitEntity();
         org.bukkit.inventory.ItemStack bukkitStack = CraftItemStack.asCraftMirror(nmsMendedItem);
-        PlayerItemMendEvent event = new PlayerItemMendEvent(player, bukkitStack, CraftEquipmentSlot.getSlot(slot), (ExperienceOrb) orb.getBukkitEntity(), repairAmount);
+        PlayerItemMendEvent event = new PlayerItemMendEvent(player, bukkitStack, CraftEquipmentSlot.getSlot(slot), (ExperienceOrb) orb.getBukkitEntity(), repairAmount, durabilityToXpOp); // Paper - Expand PlayerItemMendEvent
         Bukkit.getPluginManager().callEvent(event);
         return event;
     }