Add quit button and pause menu

Assets/Scripts/CellInfo.cs

@@ -390,6 +390,11 @@ public struct Utility
     /// </summary>
     private Dictionary<string, GameObject[]> housesPrefabs;
 
+    /// <summary>
+    /// Indicates if raycast is enabled
+    /// </summary>
+    private bool raycastEnabled = true;
+
     /// <summary>
     /// Method <c>InitializePropertyDictionary</c> initializes <c>propertyInformation</c>.
     /// </summary>
@@ -1914,14 +1919,22 @@ public int GetTraddingDifference(bool playerPartner) {
         return player2_value - player1_value;
     }
 
+    /// <summary>
+    /// Method <c>SetRaycast</c> enables or disables the raycast of cells
+    /// </summary>
+    /// <param name="enable">True to enable, False to disable</param>
+    public void SetRaycast(bool enable) {
+        raycastEnabled = enable;
+    }
+
     /// <summary>
     /// Method <c>Update</c> Interacts with cells after clicking on them.
     /// </summary>
     private void Update()
     {
         if (!Input.GetMouseButtonDown(0)) return;
 
-        if (!justButtons && !DisableCard() && !tradingSelected)
+        if (!justButtons && !DisableCard() && !tradingSelected && raycastEnabled)
         {
             ray = Camera.main.ScreenPointToRay(Input.mousePosition);
             if (Physics.Raycast(ray, out hit))

Assets/Scripts/Menu.cs

@@ -165,4 +165,12 @@ public void SetBotDifficulty4(int difficulty)
     {
         botDifficulty[3] = difficulty;
     }
+
+    /// <summary>
+    /// Method <c>QuitGame</c> quits the game.
+    /// </summary>
+    public void QuitGame()
+    {
+        Application.Quit();
+    }
 }

Assets/Scripts/PauseMenu.cs

@@ -0,0 +1,42 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+public class PauseMenu : MonoBehaviour
+{
+
+    public GameObject pausePanel;
+
+    /// <summary>
+    /// Method <c>ShowPauseMenu</c> pauses the game, and shows the pause menu.
+    /// </summary>
+    public void ShowPauseMenu() {
+        Time.timeScale = 0;
+        GetComponent<CellInfo>().SetRaycast(false);
+        pausePanel.SetActive(true);
+    }
+
+    /// <summary>
+    /// Method <c>ResumeGame</c> resumes the game.
+    /// </summary>
+    public void ResumeGame() {
+        pausePanel.SetActive(false);
+        GetComponent<CellInfo>().SetRaycast(true);
+        Time.timeScale = 1;
+    }
+
+    /// <summary>
+    /// Method <c>BackToMenu</c> returns to menu screen
+    /// </summary>
+    public void BackToMenu() {
+        SceneManager.LoadScene("MainMenu");
+    }
+
+    /// <summary>
+    /// Method <c>QuitGame</c> quits the game.
+    /// </summary>
+    public void QuitGame() {
+        Application.Quit();
+    }
+}