From ad0e9fc95bf0a33085cf12ea78bb21d16cdbd83d Mon Sep 17 00:00:00 2001 From: Aikar Date: Wed, 20 Dec 2017 17:36:49 -0500 Subject: [PATCH] Ability to apply mending to XP API This allows plugins that give players the ability to apply the experience points to the Item Mending formula, which will repair an item instead of giving the player experience points. Both an API To standalone mend, and apply mending logic to .giveExp has been added. diff --git a/src/main/java/net/minecraft/server/EnchantmentManager.java b/src/main/java/net/minecraft/server/EnchantmentManager.java index 108ec49aa..72f0bec4e 100644 --- a/src/main/java/net/minecraft/server/EnchantmentManager.java +++ b/src/main/java/net/minecraft/server/EnchantmentManager.java @@ -242,6 +242,7 @@ public class EnchantmentManager { return getEnchantmentLevel(Enchantments.CHANNELING, itemstack) > 0; } + public static ItemStack getRandomEquippedItemWithEnchant(Enchantment enchantment, EntityLiving entityliving) { return b(enchantment, entityliving); } // Paper - OBFHELPER public static ItemStack b(Enchantment enchantment, EntityLiving entityliving) { List list = enchantment.a(entityliving); diff --git a/src/main/java/net/minecraft/server/EntityExperienceOrb.java b/src/main/java/net/minecraft/server/EntityExperienceOrb.java index 4bcae2c21..09d85764b 100644 --- a/src/main/java/net/minecraft/server/EntityExperienceOrb.java +++ b/src/main/java/net/minecraft/server/EntityExperienceOrb.java @@ -246,10 +246,12 @@ public class EntityExperienceOrb extends Entity { } } + public int durToXp(int i) { return b(i); } // Paper OBFHELPER private int b(int i) { return i / 2; } + public int xpToDur(int i) { return c(i); } // Paper OBFHELPER private int c(int i) { return i * 2; } diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java index dafc2948c..e6dadde80 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java @@ -1026,8 +1026,39 @@ public class CraftPlayer extends CraftHumanEntity implements Player { return GameMode.getByValue(getHandle().playerInteractManager.getGameMode().getId()); } + // Paper start @Override - public void giveExp(int exp) { + public int applyMending(int amount) { + EntityPlayer handle = getHandle(); + // Logic copied from EntityExperienceOrb and remapped to unobfuscated methods/properties + net.minecraft.server.ItemStack itemstack = net.minecraft.server.EnchantmentManager.getRandomEquippedItemWithEnchant(net.minecraft.server.Enchantments.MENDING, handle); + if (!itemstack.isEmpty() && itemstack.getItem().usesDurability()) { + + net.minecraft.server.EntityExperienceOrb orb = new net.minecraft.server.EntityExperienceOrb(handle.world); + orb.value = amount; + orb.spawnReason = org.bukkit.entity.ExperienceOrb.SpawnReason.CUSTOM; + orb.locX = handle.locX; + orb.locY = handle.locY; + orb.locZ = handle.locZ; + + int i = Math.min(orb.xpToDur(amount), itemstack.getDamage()); + org.bukkit.event.player.PlayerItemMendEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerItemMendEvent(handle, orb, itemstack, i); + i = event.getRepairAmount(); + orb.dead = true; + if (!event.isCancelled()) { + amount -= orb.durToXp(i); + itemstack.setDamage(itemstack.getDamage() - i); + } + } + return amount; + } + + @Override + public void giveExp(int exp, boolean applyMending) { + if (applyMending) { + exp = this.applyMending(exp); + } + // Paper end getHandle().giveExp(exp); } -- 2.21.0