Initial character select implementation

Scripts/GameManager.cs

@@ -0,0 +1,43 @@
+using Godot;
+using Godot.Collections;
+using System.Linq;
+
+public partial class GameManager : Node
+{
+   public bool IsP1SelectingCharacter = true;
+   public bool IsP2SelectingCharacter = true;
+
+   [Export]
+   private Array<PackedScene> _p1Characters;
+   [Export]
+   private Array<PackedScene> _p2Characters;
+
+   [Export]
+   public Character _p1SelectedCharacter;
+
+   [Export]
+   public Character _p2SelectedCharacter;
+
+   private int _p1CharacterIndex = 0;
+   private int _p2CharacterIndex = 0;
+
+   public void SetP1ToNextCharacter() => _p1CharacterIndex = (++_p1CharacterIndex) % _p1Characters.Count();
+
+   public void SetP1ToPreviousCharacter() => _p1CharacterIndex = _p1CharacterIndex == 0 ? _p1Characters.Count() : --_p1CharacterIndex;
+
+   public void OnP1CharacterSelected()
+   {
+      if (_p1SelectedCharacter != null)
+         _p1SelectedCharacter.QueueFree();
+
+      var selectedPlayer = _p1Characters[_p1CharacterIndex].Instantiate();
+      _p1SelectedCharacter = selectedPlayer as Character;
+      GetTree().Root.AddChild(_p1SelectedCharacter);
+      var playerSpawnPoint = GetNode<SpawnPoint>("P1SpawnPoint");
+      playerSpawnPoint.SetPlayerPosition(_p1SelectedCharacter);
+   }
+}
+
+public partial class Character : CharacterBody3D
+{
+}