ExampleWindow.cs - 2015

//ExampleWindowScript.cs
//Alexander Young
//February 5, 2015
//Description - Creates the functionality to allow for in-app purchasing, specifically with reguards the GUI and using purchases to make changes to the game

using System;
using UnityEngine;
using System.Collections;
using System.Collections.Generic;

namespace Soomla.Store.Example
{ 																		//Allows for access to Soomla API
	public class ExampleWindow : MonoBehaviour
	{
		public Transform cube;																			// Stores the scene cube as a variable
		//secTime/floatTime are used to check for IAP changes every 2 seconds (ideally, you should only check for updates when you absoultely need to. This just shows a way check for the IAP changes)
		public float secTime			= 2.0f;
		public float totTime			= 0.0f;
		public bool greenCubeIAPOwned  = false;

		//Load the Scene with the cube/ setup the soomla intergration
		void Start ()
		{
			Application.LoadLevel ("test");																//Load actual scene
			DontDestroyOnLoad(transform.gameObject);													//Allows this gameObject to remain during level loads, solving restart crashes
			StoreEvents.OnSoomlaStoreInitialized += onSoomlaStoreIntitialized;							//Handle the initialization of store events (calls function below - unneeded in this case)
			SoomlaStore.Initialize (new ExampleAssets());												//Intialize the store
		}

		//this is likely unnecessary, but may be required depending on how you plan on doing IAPS
		public void onSoomlaStoreIntitialized(){
		}

		//ASSIGN CUBE TO BE COLORED
		void OnLevelWasLoaded(int level)
		{ 																								//Assigns the cube if the level is loaded to correct level{
			if (level == 1) { 																			//the second level in the build list (0 == first level, 1 == second level)
				cube = GameObject.Find ("testCube").transform;											//Assign cube by finding it the the hierarchy in the scene ( via its name)
			}
		}

		//UPDATE CUBE COLOR
		//Assign cube color based on it (using playerprefs) (see CheckIAP_PurchaseStatus() function below to understand)
		void Update ()
		{
			if (Time.timeSinceLevelLoad > totTime)
			{
				CheckIAP_PurchaseStatus ();																//Check status of in app purchase (true/false if player has purchased it)
				totTime = Time.timeSinceLevelLoad + secTime;
			}
			if(cube != null)
			{
				if(!greenCubeIAPOwned)
				{
					cube.transform.renderer.material.color = Color.red;									// if player has purchased item, turn the cube green
				}

				if(greenCubeIAPOwned)
				{
					cube.transform.renderer.material.color = Color.green;								// if player has not purchased item (or hasnt restored previous purchases) turn the cube red
				}
			}
		}

		//CHECK IAP STATUS (0 = not owned, 1 = owned for GetItemBalance())
		//Check the Status of the In App Purchase (true/false if player has bought it)
		void CheckIAP_PurchaseStatus(){
			Debug.Log (StoreInventory.GetItemBalance("turn_green_item_id"));							// Print the current status of the IAP
			if (StoreInventory.GetItemBalance("turn_green_item_id") >= 1)
			{
				greenCubeIAPOwned = true;		// check if the non-consumable in app purchase has been bought or not
			}
		}

		//GUI ELEMENTS
		void OnGUI() {
			//Button To PURCHASE ITEM
			if (GUI.Button(new Rect(Screen.width * 0.2f, Screen.height * 0.4f, 150,150),"Make green?"))
			{
				try {
					Debug.Log("attempt to purchase");

					StoreInventory.BuyItem ("turn_green_item_id");										// if the purchases can be completed sucessfully
				}
				catch (Exception e)
				{																						// if the purchase cannot be completed trigger an error message connectivity issue, IAP doesnt exist on ItunesConnect, etc...)
					Debug.Log ("SOOMLA/UNITY" + e.Message);
				}
			}
			//Button to RESTORE PURCHASES
			if (GUI.Button(new Rect(Screen.width * 0.2f, Screen.height * 0.8f, 150,150),"Restore\nPurchases")) {
				try
				{
					SoomlaStore.RestoreTransactions();													// restore purchases if possible
				}
				catch (Exception e)
				{
					Debug.Log ("SOOMLA/UNITY" + e.Message);												// if restoring purchases fails (connectivity issue, IAP doesnt exist on ItunesConnect, etc...)
				}
			}

			//Button to RESTART LEVEL (ensure it doesnt crash)
			if (GUI.Button(new Rect(Screen.width * 0.5f, Screen.height * 0.8f, 150,150),"Restart"))
			{
				Application.LoadLevel (Application.loadedLevel);
			}
		}
	}
}