basically the whole game

Assets/Scripts/GameManager.cs

@@ -0,0 +1,121 @@
+using System;
+using TMPro;
+using UnityEngine;
+
+public class GameManager : MonoBehaviour
+{
+	#region Statication
+
+	public static GameManager instance;
+
+	private void Awake()
+	{
+		if (instance != null && instance != this)
+		{
+			Destroy(gameObject);
+			return;
+		}
+		instance = this;
+		DontDestroyOnLoad(this);
+	}
+
+	#endregion
+
+	[Header("Game Stats")] 
+	public int continues;
+	public string time;
+	public int wave;
+	public int deflections;
+	public int projectilesShot;
+	public int projectilesHit;
+	public string accuracy;
+	public int livesLost;
+	[Header("Pause UI")] 
+	[SerializeField] private GameObject pauseMenu;
+
+	[Header("Game Over")] 
+	[SerializeField] private DialogueScript winCutscene;
+	[SerializeField] private GameObject loseUI;
+	[SerializeField] private StatsUI statsUI;
+ 	private bool gameOver;
+
+    public void EndGame()
+    {
+	    SetPause(true);
+	    gameOver = true;
+	    time = TimeSpan.FromSeconds(Time.timeSinceLevelLoad).ToString(@"mm\:ss");
+	    wave = WaveManager.instance.wave-1;
+	    accuracy = ((float)projectilesHit / projectilesShot).ToString(@"P");
+    }
+	public void LoseGame()
+	{
+		loseUI.SetActive(true);
+		EndGame();
+		statsUI.SetUI();
+	}
+
+	public void WinGame()
+	{
+		EndGame();
+		LevelSwitcher.instance.SwitchLevel(2, winCutscene);
+		SetPause(false);
+	}
+
+	public void ExitGame()
+	{
+		LevelSwitcher.instance.SwitchLevel(0);
+		SetPause(false);
+	}
+
+	public void RestartGame()
+	{
+		LevelSwitcher.instance.SwitchLevel(1);
+		SetPause(false);
+	}
+
+	public void ContinueGame()
+	{
+		gameOver = false;
+		loseUI.SetActive(false);
+		SetPause(false);
+		WaveManager.instance.player.health = WaveManager.instance.player.maxHealth;
+		continues++;
+	}
+
+	public void SetPause(bool state)
+	{
+		if (state)
+		{
+			Time.timeScale = 0f;
+		}
+		else
+		{
+			Time.timeScale = 1f;
+		}
+	}
+
+	public void SetPauseMenu()
+	{
+		if (!gameOver && !DialogueManager.instance.dialogueActive)
+		{
+			if (!pauseMenu.activeSelf)
+			{
+				pauseMenu.SetActive(true);
+				SetPause(true);
+			}
+			else
+			{
+				pauseMenu.SetActive(false);
+				SetPause(false);
+			}
+		}
+	}
+
+	private void Update()
+	{
+		if (Input.GetKeyDown(KeyCode.Escape)) //we need to convert this to a better input system
+		{
+			SetPauseMenu();
+		}
+	}
+}