SPIGOT-1936: LootTable API

By: Senmori <thesenmori@gmail.com>

paper-server/nms-patches/LootEnchantFunction.patch

@@ -0,0 +1,26 @@
+--- a/net/minecraft/server/LootEnchantFunction.java
++++ b/net/minecraft/server/LootEnchantFunction.java
+@@ -21,8 +21,13 @@
+ 
+         if (entity instanceof EntityLiving) {
+             int i = EnchantmentManager.g((EntityLiving) entity);
++            // CraftBukkit start - use lootingModifier if set by plugin
++            if (loottableinfo.lootingMod > org.bukkit.loot.LootContext.DEFAULT_LOOT_MODIFIER) {
++                i = loottableinfo.lootingMod;
++            }
++            // CraftBukkit end
+ 
+-            if (i == 0) {
++            if (i <= 0) { // CraftBukkit - account for possible negative looting values from Bukkit
+                 return itemstack;
+             }
+ 
+@@ -57,7 +62,7 @@
+             return new LootEnchantFunction(alootitemcondition, (LootValueBounds) ChatDeserializer.a(jsonobject, "count", jsondeserializationcontext, LootValueBounds.class), i);
+         }
+ 
+-        public LootItemFunction b(JsonObject jsonobject, JsonDeserializationContext jsondeserializationcontext, LootItemCondition[] alootitemcondition) {
++        public LootEnchantFunction b(JsonObject jsonobject, JsonDeserializationContext jsondeserializationcontext, LootItemCondition[] alootitemcondition) { // CraftBukkit - decompile error
+             return this.a(jsonobject, jsondeserializationcontext, alootitemcondition);
+         }
+     }