From e18da80d645cceacf3d086ff2974dc7c66aac57a Mon Sep 17 00:00:00 2001
From: Paul-Louis NECH <pln@algolia.com>
Date: Fri, 28 Oct 2016 11:52:58 -0400
Subject: [PATCH] Back button: Implement reactions on Scenes

---
 Assets/Scripts/GameOver.cs                    |  2 ++
 Assets/Scripts/HighScores.cs                  |  2 ++
 Assets/Scripts/Menu.cs                        |  3 ++-
 Assets/Scripts/UIController.cs                |  2 ++
 Assets/Scripts/Utils/BackButtonHelper.cs      | 25 +++++++++++++++++++++++++
 Assets/Scripts/Utils/BackButtonHelper.cs.meta | 12 ++++++++++++
 6 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 Assets/Scripts/Utils/BackButtonHelper.cs
 create mode 100644 Assets/Scripts/Utils/BackButtonHelper.cs.meta

diff --git a/Assets/Scripts/GameOver.cs b/Assets/Scripts/GameOver.cs
index 96e6bff..9e6ac4f 100644
--- a/Assets/Scripts/GameOver.cs
+++ b/Assets/Scripts/GameOver.cs
@@ -4,6 +4,7 @@ using System.Collections;
 using UnityEngine.SceneManagement;
 using Assets.Scripts;
 using Assets.Scripts.API;
+using Assets.Scripts.Utils;
 
 public class GameOver : MonoBehaviour
 {
@@ -28,6 +29,7 @@ public class GameOver : MonoBehaviour
 //            SceneManager.LoadScene("Menu");
 		score = PlayerPrefs.GetInt("lastscore");
 		Score.text = "You scored " + score;
+		BackButtonHelper.playOnBack();
 	}
 
 	public void OnButtonPlayClicked()
diff --git a/Assets/Scripts/HighScores.cs b/Assets/Scripts/HighScores.cs
index bbea898..c996e3d 100644
--- a/Assets/Scripts/HighScores.cs
+++ b/Assets/Scripts/HighScores.cs
@@ -1,4 +1,5 @@
 using Assets.Scripts.API;
+using Assets.Scripts.Utils;
 using UnityEngine;
 using UnityEngine.SceneManagement;
 using UnityEngine.UI;
@@ -21,6 +22,7 @@ public class HighScores : MonoBehaviour {
 
 	// Update is called once per frame
 	void Update () {
+		BackButtonHelper.playOnBack();
 		if (!updatedScores) {
 			if (Server.Scores.status.Equals("ok")) {
 				Score[] highScores = Server.Scores.scores;
diff --git a/Assets/Scripts/Menu.cs b/Assets/Scripts/Menu.cs
index fe479bf..80218c4 100644
--- a/Assets/Scripts/Menu.cs
+++ b/Assets/Scripts/Menu.cs
@@ -1,6 +1,7 @@
 using UnityEngine;
 using System.Collections;
 using UnityEngine.SceneManagement;
+using Assets.Scripts.Utils;
 
 public class Menu : MonoBehaviour {
 
@@ -11,7 +12,7 @@ public class Menu : MonoBehaviour {
 	
 	// Update is called once per frame
 	void Update () {
-	
+		BackButtonHelper.quitOnBack();	
 	}
 
 	public void OnButtonPlayClicked()
diff --git a/Assets/Scripts/UIController.cs b/Assets/Scripts/UIController.cs
index 1e00890..d19b5e1 100644
--- a/Assets/Scripts/UIController.cs
+++ b/Assets/Scripts/UIController.cs
@@ -3,6 +3,7 @@ using UnityEngine;
 using System.Collections;
 using System.Collections.Generic;
 using Assets.Scripts;
+using Assets.Scripts.Utils;
 using UnityEngine.UI;
 
 public class UIController : MonoBehaviour
@@ -37,6 +38,7 @@ public class UIController : MonoBehaviour
 	    DisplayBattery();
 	    HandlePowerUps();
 	    HandleScore();
+		BackButtonHelper.menuOnBack();
 	}
 
     private void HandleScore()
diff --git a/Assets/Scripts/Utils/BackButtonHelper.cs b/Assets/Scripts/Utils/BackButtonHelper.cs
new file mode 100644
index 0000000..3df7787
--- /dev/null
+++ b/Assets/Scripts/Utils/BackButtonHelper.cs
@@ -0,0 +1,25 @@
+using System;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+namespace Assets.Scripts.Utils
+{
+	public static class BackButtonHelper 
+	{
+		public static void quitOnBack() {
+			if (Input.GetKeyDown(KeyCode.Escape)) 
+				Application.Quit(); 
+		}
+
+		public static void menuOnBack() {
+			if (Input.GetKeyDown(KeyCode.Escape)) 
+				SceneManager.LoadScene("Menu");
+		}
+
+		public static void playOnBack() {
+			if (Input.GetKeyDown(KeyCode.Escape)) 
+				SceneManager.LoadScene("Main");
+		}
+	}
+}
+
diff --git a/Assets/Scripts/Utils/BackButtonHelper.cs.meta b/Assets/Scripts/Utils/BackButtonHelper.cs.meta
new file mode 100644
index 0000000..89e1b6f
--- /dev/null
+++ b/Assets/Scripts/Utils/BackButtonHelper.cs.meta
@@ -0,0 +1,12 @@
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+guid: 3be153ffde4554d9cbb676f03dc3005d
+timeCreated: 1477660884
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
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--
libgit2 0.27.0