Adding option to user Data-Information

src/de/steamwar/inventory/SWInventory.java

@@ -53,8 +53,16 @@ public class SWInventory implements Listener, Inventory {
         setItem(pos, m, name, new ArrayList<>(), false, c);
     }
 
+    public void setItem(int pos, Material m, byte meta, String name, InvCallback c){
+        setItem(pos, m, meta, name, new ArrayList<>(), false, c);
+    }
+
     public void setItem(int pos, Material m, String name, List<String> lore, boolean e, InvCallback c){
-        SWItem item = new SWItem(m, name, lore, e, c);
+        setItem(pos, m, (byte)0, name, new ArrayList<>(), false, c);
+    }
+
+    public void setItem(int pos, Material m, byte meta, String name, List<String> lore, boolean e, InvCallback c){
+        SWItem item = new SWItem(m, meta, name, lore, e, c);
         setItem(pos, item);
     }
 

src/de/steamwar/inventory/SWItem.java

@@ -19,7 +19,11 @@ public class SWItem {
     }
 
     public SWItem(Material material, String name, List<String> lore, boolean enchanted, InvCallback c){
-        itemStack = new ItemStack(material, 1, (short)0);
+        this(material, (byte)0, name, lore, enchanted, c);
+    }
+
+    public SWItem(Material material, byte meta, String name, List<String> lore, boolean enchanted, InvCallback c){
+        itemStack = new ItemStack(material, 1, (short)0, meta);
         itemMeta = itemStack.getItemMeta();
         itemMeta.setDisplayName(name);
         if(lore != null && !lore.isEmpty())