Initial Paper-API for Bukkit 1.13 Preview 4 - THIS IS NOT SERVER

This branch/commit is only useful to those who purely use a clean Bukkit/Spigot/Paper API
and does not use NMS/OBC references.

This will let you start updating your plugin to the latest 1.13 builds of Bukkit Preview (4 as of now)

Note that this release is not final!!! API breakages may occur!

It is up to you if you find use out of this work.

Spigot-API-Patches/ensureServerConversions-API.patch

@@ -7,14 +7,13 @@ This will take a Bukkit ItemStack and run it through any conversions a server pr
 to ensure it meets latest minecraft expectations.
 
 diff --git a/src/main/java/org/bukkit/inventory/ItemFactory.java b/src/main/java/org/bukkit/inventory/ItemFactory.java
-index 52a8d4d8..99b90629 100644
+index f74f8ae9..ab33e09e 100644
 --- a/src/main/java/org/bukkit/inventory/ItemFactory.java
 +++ b/src/main/java/org/bukkit/inventory/ItemFactory.java
 @@ -0,0 +0,0 @@ public interface ItemFactory {
-      * @return the default color for leather armor
       */
-     Color getDefaultLeatherColor();
-+
+     @Deprecated
+     Material updateMaterial(final ItemMeta meta, final Material material) throws IllegalArgumentException;
 +    // Paper start
 +    /**
 +     * Minecart updates are converting simple item stacks into more complex NBT oriented Item Stacks.
@@ -29,11 +28,11 @@ index 52a8d4d8..99b90629 100644
 +    // Paper end
  }
 diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
-index 188ae6d7..6bb19b9d 100644
+index 6324044d..6df4b97a 100644
 --- a/src/main/java/org/bukkit/inventory/ItemStack.java
 +++ b/src/main/java/org/bukkit/inventory/ItemStack.java
 @@ -0,0 +0,0 @@ public class ItemStack implements Cloneable, ConfigurationSerializable {
-             }
+             result.setDurability(damage);
          }
  
 -        return result;