initialize repo

Lib/Civilization.Core/Game/GameState.cs

@@ -0,0 +1,56 @@
+using Civilization.Core.Actions;
+using Civilization.Core.Interfaces;
+using Civilization.Core.Units;
+
+namespace Civilization.Core.Game;
+
+public class GameState(GameMap map, List<Player> players)
+{
+    private readonly Dictionary<Guid, Unit> _units = new();
+    private readonly Dictionary<Guid, City> _cities = new();
+    
+    public GameMap Map { get; } = map;
+    public List<Player> Players { get; } = players;
+    public TurnManager TurnManager { get; } = new(players);
+    public ActionQueue ActionQueue { get; } = new();
+    
+    public IEnumerable<Unit> Units => _units.Values;
+    public Player CurrentPlayer => TurnManager.CurrentPlayer;
+    
+    public IEnumerable<City> Cities => _cities.Values;
+    
+    public void NextTurn()
+    {
+        foreach (var listener in GetAllTurnListeners(CurrentPlayer.Id)) listener.OnTurnEnd(this);
+        
+        TurnManager.AdvanceTurn();
+        
+        foreach (var listener in GetAllTurnListeners(CurrentPlayer.Id)) listener.OnTurnStart(this);
+        
+        ActionQueue.ExecuteAll(new GameActionContext(this));
+    }
+    
+    public void AddUnit(Unit unit) => _units.Add(unit.Id, unit);
+    
+    public Unit? FindUnit(Guid id) => _units.GetValueOrDefault(id);
+    
+    public IEnumerable<Unit> GetUnitsForPlayer(int playerId) => _units.Values.Where(u => u.OwnerId == playerId);
+    
+    public void RemoveUnit(Guid id) {
+        // Later, let's check if player can remove this unit (e.g. his turn, unit is not in combat, etc.)
+        _units.Remove(id);
+    }
+    
+    public void AddCity(City city) => _cities.Add(city.Id, city);
+    
+    public City? FindCity(Guid id) => _cities.GetValueOrDefault(id);
+    
+    public IEnumerable<City> GetCitiesForPlayer(int playerId) 
+        => _cities.Values.Where(c => c.OwnerId == playerId);
+
+    private IEnumerable<IOnTurnListener> GetAllTurnListeners(int playerId)
+    {
+        foreach (var unit in GetUnitsForPlayer(playerId)) yield return unit;
+        foreach (var city in GetCitiesForPlayer(playerId)) yield return city;
+    }
+}