Improve map command- don't delete items

When you get a map it places the current item into the first available slot- if not free, it drops the item to the ground.

src/cx/sfy/LagAssist/MonTools.java

@@ -156,13 +156,29 @@ public class MonTools implements Listener {
 //	}
 
 	public static void giveMap(Player p) {
+		// Get the player's inventory
 		PlayerInventory inv = p.getInventory();
+		// Get the value of the active slot
 		int slot = inv.getHeldItemSlot();
+		// Get the item that is in the user's active slot
+		ItemStack item = inv.getItem(slot)
 
+		if (inventory.firstEmpty() == -1){
+			// if inventory is full, drop it to the ground (item is an ItemStack)
+			player.getWorld().dropItem(player.getLocation().add(0, 1, 0), item);
+		} else{
+			// if there is a empty place, put it in
+			int newItemSlot = inventory.firstEmpty();
+			inventory.setItem(newItemSlot, item);
+		}
+
+		// Set the active slot to the map
 		inv.setItem(slot, MonTools.mapitem);
 
+		// Get the user's UUID
 		UUID UUID = p.getUniqueId();
 
+		// Add the user's UUID to the mapusers array
 		if (!mapusers.contains(UUID)) {
 			mapusers.add(UUID);
 		}