added comments and organized project files

Assets/Scripts/Player/PlayerManager.cs

@@ -0,0 +1,97 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.InputSystem;
+
+public class PlayerManager : MonoBehaviour
+{
+    public static PlayerManager Instance;
+    public List<PlayerJoinCard> cards;
+    [SerializeField] private InputActionAsset playerActions;
+    public List<Color> playerColors;
+    public GameObject playerSelect;
+    private bool gameStarted = false;
+
+    private void Awake()
+    {
+        Init();
+    }
+
+    private void Start()
+    {
+        GetComponent<PlayerInputManager>().onPlayerJoined += OnPlayerJoined;
+        GetComponent<PlayerInputManager>().onPlayerLeft += OnPlayerLeft;
+    }
+
+    private void OnPlayerJoined(PlayerInput playerInput) // Adds a player when they join
+    {
+        if (gameStarted)
+        {
+            Destroy(playerInput.gameObject);
+            return;
+        }
+        Debug.Log("Player joined");
+        DontDestroyOnLoad(playerInput.gameObject);
+        PlayerJoinCard card = PlayerCardCreator.Instance.CreateCard();
+        card.playerNumber = GameManager.players.Count + 1;
+        cards.Add(card);
+        GameManager.players.Add(playerInput.gameObject);
+        Colorize(GameManager.players.Count - 1);
+    }
+
+
+    private void OnPlayerLeft(PlayerInput playerInput) // Removes the player if they leave
+    {
+        Destroy(playerInput.gameObject);
+        GameManager.players.Remove(playerInput.gameObject);
+        Debug.Log("Player left");
+    }
+
+    private void Init()
+    {
+        if (Instance == null)
+        {
+            Instance = this;
+        }
+        else
+        {
+            Destroy(this.gameObject);
+        }
+    }
+
+    public void StartGame() // Allows game to start after a player has joined
+    {
+        if (GameManager.players.Count == 0)
+        {
+            return;
+        }
+        gameStarted = true;
+        HubManager.Instance.LoadScene(GameManager.map);
+    }
+
+    private void Colorize(int index) // Pairs each player with a unique color
+    {
+        GameObject player = GameManager.players[index];
+        Color color = playerColors[(GameManager.players.Count - 1) % playerColors.Count];
+        float tint = Mathf.Floor((GameManager.players.Count - 1) / playerColors.Count);
+        color = (color + color + Color.white * tint) / (tint + 2);
+        GameManager.playerColors.Add(color);
+        ApplyColor(player, color);
+        ApplyColor(cards[GameManager.players.IndexOf(player)].playerPreview, color);
+    }
+
+    private void ApplyColor(GameObject obj, Color color) // Applies a color to each player
+    {
+        if (obj.TryGetComponent<SpriteRenderer>(out _))
+        {
+            obj.GetComponent<SpriteRenderer>().color = color;
+        }
+        foreach (Transform child in obj.transform)
+        {
+            if (child.TryGetComponent<SpriteRenderer>(out _))
+            {
+                ApplyColor(child.gameObject, color);
+            }
+        }
+    }
+}