From e29e1efa974cfbf93d20d5b08b5effd6fc3eb67b 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 fd6df39f17..f03aef2fed 100644 --- a/src/main/java/net/minecraft/server/EnchantmentManager.java +++ b/src/main/java/net/minecraft/server/EnchantmentManager.java @@ -223,6 +223,7 @@ 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);// Paper - decompile fix if (list.isEmpty()) { diff --git a/src/main/java/net/minecraft/server/Enchantments.java b/src/main/java/net/minecraft/server/Enchantments.java index 8cfb38b826..44b2d428b3 100644 --- a/src/main/java/net/minecraft/server/Enchantments.java +++ b/src/main/java/net/minecraft/server/Enchantments.java @@ -35,7 +35,7 @@ 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 dcef63bb1f..53cfc10017 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 00704e4ca9..ab7fa24c3d 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java @@ -1023,8 +1023,39 @@ 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