From 7a2f486768afeb6a54c39b19079e9f31f3adad1a Mon Sep 17 00:00:00 2001
From: Parker Hawke <hawkeboyz2@hotmail.com>
Date: Sat, 29 Sep 2018 19:24:51 -0400
Subject: Implement PlayerRecipeDiscoverEvent and methods to (un/)discover
 recipes

---
 .../craftbukkit/entity/CraftHumanEntity.java       | 41 ++++++++++++++++++++++
 .../craftbukkit/event/CraftEventFactory.java       |  7 ++++
 2 files changed, 48 insertions(+)

(limited to 'src')

diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
index 289e267b..497783d4 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
@@ -1,6 +1,9 @@
 package org.bukkit.craftbukkit.entity;
 
 import com.google.common.base.Preconditions;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
 import java.util.Set;
 
 import net.minecraft.server.*;
@@ -10,6 +13,7 @@ import org.bukkit.Location;
 import org.bukkit.inventory.MainHand;
 import org.bukkit.inventory.Merchant;
 import org.bukkit.Material;
+import org.bukkit.NamespacedKey;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.entity.Villager;
 import org.bukkit.event.inventory.InventoryType;
@@ -27,6 +31,7 @@ import org.bukkit.craftbukkit.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.inventory.CraftMerchant;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.util.CraftMagicNumbers;
+import org.bukkit.craftbukkit.util.CraftNamespacedKey;
 import org.bukkit.inventory.EntityEquipment;
 import org.bukkit.permissions.PermissibleBase;
 import org.bukkit.permissions.Permission;
@@ -455,6 +460,42 @@ public class CraftHumanEntity extends CraftLivingEntity implements HumanEntity {
         getHandle().getCooldownTracker().a(CraftMagicNumbers.getItem(material), ticks);
     }
 
+    @Override
+    public boolean discoverRecipe(NamespacedKey recipe) {
+        return discoverRecipes(Arrays.asList(recipe)) != 0;
+    }
+
+    @Override
+    public int discoverRecipes(Collection<NamespacedKey> recipes) {
+        return getHandle().a(bukkitKeysToMinecraftRecipes(recipes)); // PAIL rename discoverRecipes
+    }
+
+    @Override
+    public boolean undiscoverRecipe(NamespacedKey recipe) {
+        return undiscoverRecipes(Arrays.asList(recipe)) != 0;
+    }
+
+    @Override
+    public int undiscoverRecipes(Collection<NamespacedKey> recipes) {
+        return getHandle().b(bukkitKeysToMinecraftRecipes(recipes)); // PAIL rename undiscoverRecipes
+    }
+
+    private Collection<IRecipe> bukkitKeysToMinecraftRecipes(Collection<NamespacedKey> recipeKeys) {
+        Collection<IRecipe> recipes = new ArrayList<>();
+        CraftingManager manager = getHandle().world.getMinecraftServer().getCraftingManager();
+
+        for (NamespacedKey recipeKey : recipeKeys) {
+            IRecipe recipe = manager.a(CraftNamespacedKey.toMinecraft(recipeKey));
+            if (recipe == null) {
+                continue;
+            }
+
+            recipes.add(recipe);
+        }
+
+        return recipes;
+    }
+
     @Override
     public org.bukkit.entity.Entity getShoulderEntityLeft() {
         if (!getHandle().getShoulderEntityLeft().isEmpty()) {
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index deb166d7..67d2eb1b 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -34,6 +34,7 @@ import org.bukkit.craftbukkit.inventory.CraftMetaBook;
 import org.bukkit.craftbukkit.potion.CraftPotionUtil;
 import org.bukkit.craftbukkit.util.CraftDamageSource;
 import org.bukkit.craftbukkit.util.CraftMagicNumbers;
+import org.bukkit.craftbukkit.util.CraftNamespacedKey;
 import org.bukkit.entity.AreaEffectCloud;
 import org.bukkit.entity.Arrow;
 import org.bukkit.entity.Bat;
@@ -1129,4 +1130,10 @@ public class CraftEventFactory {
         Bukkit.getPluginManager().callEvent(event);
         return !event.isCancelled();
     }
+
+    public static boolean handlePlayerRecipeListUpdateEvent(EntityHuman who, MinecraftKey recipe) {
+        PlayerRecipeDiscoverEvent event = new PlayerRecipeDiscoverEvent((Player) who.getBukkitEntity(), CraftNamespacedKey.fromMinecraft(recipe));
+        Bukkit.getPluginManager().callEvent(event);
+        return !event.isCancelled();
+    }
 }
-- 
cgit v1.2.3