From 2d5fd7c000d0c8f28019f1bcfb5b0a675d57c821 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 3204d94c54..e4ed9e2066 100644 --- a/src/main/java/net/minecraft/server/EnchantmentManager.java +++ b/src/main/java/net/minecraft/server/EnchantmentManager.java @@ -245,6 +245,7 @@ public class EnchantmentManager { return getEnchantmentLevel(Enchantments.F, 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/Enchantments.java b/src/main/java/net/minecraft/server/Enchantments.java index 0f4aad20fe..3a5263fd9f 100644 --- a/src/main/java/net/minecraft/server/Enchantments.java +++ b/src/main/java/net/minecraft/server/Enchantments.java @@ -36,7 +36,7 @@ public class Enchantments { public static final Enchantment D = a("impaling"); public static final Enchantment E = a("riptide"); public static final Enchantment F = a("channeling"); - public static final Enchantment G = a("mending"); + public static final Enchantment G = a("mending");public static final Enchantment MENDING = G; // Paper - OBFHELPER public static final Enchantment H = a("vanishing_curse"); @Nullable diff --git a/src/main/java/net/minecraft/server/EntityExperienceOrb.java b/src/main/java/net/minecraft/server/EntityExperienceOrb.java index a87ef5fb8c..b8bfc75771 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 b455d8e287..c7adfaad91 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java @@ -1012,8 +1012,39 @@ 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); } -- 2.18.0