Add basic intro countdown and game states

Assets/Scripts/GameStateManager.cs

@@ -0,0 +1,84 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class GameStateManager : MonoBehaviour
+{
+    
+    public static GameStateManager Instace{  get; private set; }
+
+    public event EventHandler OnStateChanged;
+
+    private enum State
+    {
+        WaitingToStart,
+        StartingCountdown,
+        GamePlaying,
+        GameOver,
+    }
+
+    private State state;
+
+    // --- Timers ---
+    private float waitingToStartTimer = 1f;
+    private float countdownToStartTimer = 3f;
+    private float gamePlayTimer = 10f;
+
+    private void Awake()
+    {
+        state = State.WaitingToStart;
+        Instace = this;
+    }
+
+    private void Update()
+    {
+        switch (state)
+        {
+            case State.WaitingToStart:
+                waitingToStartTimer -= Time.deltaTime;
+                if (waitingToStartTimer < 0f)
+                {
+                    state = State.StartingCountdown;
+                    OnStateChanged?.Invoke(this, EventArgs.Empty);
+                }
+                break;
+            case State.StartingCountdown:
+                countdownToStartTimer -= Time.deltaTime;
+                if (countdownToStartTimer < 0f)
+                {
+                    state = State.GamePlaying;
+                    OnStateChanged?.Invoke(this, EventArgs.Empty);
+                }
+                break;
+            case State.GamePlaying:
+                gamePlayTimer -= Time.deltaTime;
+                if (gamePlayTimer < 0f)
+                {
+                    state = State.GameOver;
+                    OnStateChanged?.Invoke(this, EventArgs.Empty);
+                }
+                break;
+            case State.GameOver:
+                break;
+        }
+
+        Debug.Log(state);
+    }
+
+    public bool IsGamePlaying()
+    {
+        return state == State.GamePlaying;
+    }
+
+    public bool IsCountdownToStartActive()
+    {
+        return state == State.StartingCountdown;
+    }
+
+    public float GetCountdownToStartTimer()
+    {
+        return countdownToStartTimer;
+    }
+
+}

Assets/Scripts/GameStateManager.cs.meta

@@ -0,0 +1,11 @@
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+guid: bae018fdb9cea3b499d7bcd68103404c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
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+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Player.cs

@@ -34,14 +34,19 @@ public class Player : MonoBehaviour, IKitchenObjectParent
 
     private void GameInput_OnInteractAlteranteAction(object sender, EventArgs e)
     {
+        if (GameStateManager.Instace.IsGamePlaying()) return;
+
         if (selectedCounter != null)
         {
             selectedCounter.InteractAlternate(this);
         }
+        
     }
 
     private void GameInput_OnInteractAction(object sender, System.EventArgs e)
     {
+        if (GameStateManager.Instace.IsGamePlaying()) return;
+
         if (selectedCounter != null)
         {
             selectedCounter.Interact(this);

Assets/Scripts/UI/GameStartCountdownUI.cs

@@ -0,0 +1,45 @@
+using System.Collections;
+using System.Collections.Generic;
+using TMPro;
+using UnityEngine;
+
+public class GameStartCountdownUI : MonoBehaviour
+{
+
+    [SerializeField] private TextMeshProUGUI countdownText;
+
+    private void Start()
+    {
+        GameStateManager.Instace.OnStateChanged += GameStateManager_OnStateChanged;
+
+        Hide();
+    }
+
+    private void GameStateManager_OnStateChanged(object sender, System.EventArgs e)
+    {
+        
+        if (GameStateManager.Instace.IsCountdownToStartActive())
+        {
+            Show();
+        } else
+        {
+            Hide();
+        }
+
+    }
+
+    private void Update()
+    {
+        countdownText.text = Mathf.Ceil(GameStateManager.Instace.GetCountdownToStartTimer()).ToString();
+    }
+
+    private void Show()
+    {
+        gameObject.SetActive(true);
+    }
+
+    private void Hide()
+    {
+        gameObject.SetActive(false);
+    }
+}

Assets/Scripts/UI/GameStartCountdownUI.cs.meta

@@ -0,0 +1,11 @@
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+  executionOrder: 0
+  icon: {instanceID: 0}
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