// GameManager.cs - Script used to let the player quit by pressing Escape.
// -----------------------------------------------------------------------------
// Copyright (c) 2018 Niall Moody
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// -----------------------------------------------------------------------------

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

/// Script used to let the player quit by pressing Escape (in a build).
public class GameManager : MonoBehaviour
{

	/// Used to ensure we don't create another instance of GameManager if we
	/// return to the MainScene.
	private static bool instantiated = false;

	/// We use this to ensure our GameManager doesn't get destroyed when we switch scenes.
	void Awake ()
	{
		if(!instantiated)
		{
			DontDestroyOnLoad(this.gameObject);
			instantiated = true;
		}
	}

	/// Listen for the user pressing Escape to quit.
	void Update()
	{
		if(Input.GetButton("Quit"))
		{
			 Application.Quit();
		}
	}
}