Add initial game code

scripts/GameManager.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Timers;
+using Godot;
+
+public partial class GameManager : Node
+{
+    private System.Timers.Timer TickTimer;
+    private bool IsTickProcessing = false;
+    private bool IsThrottlingTicks = false;
+
+    public GameState GameState { get; private set; }
+    public Generator Generator { get; private set; }
+    public Controller Controller { get; private set; }
+
+    public Ship PlayerShip { get; private set; }
+
+    public override void _Ready()
+    {
+        base._Ready();
+
+        GeneratorSettings generatorSettings = new GeneratorSettings()
+        {
+            SpaceSize = new CoordinateVector(Helpers.GetCoordinateFromLY(5000000000), Helpers.GetCoordinateFromLY(5000000000)),
+            GalaxySizeMultiplier = new CoordinateVector(0.1M, 0.1M),
+            Galaxies = 10,
+            MaxNebulasPerGalaxy = 100,
+            MaxStarsPerGalaxy = 20000,
+            MaxPlanetsPerStar = 10,
+            MaxMoonsPerPlanet = 3,
+        };
+        this.Generator = new Generator(generatorSettings);
+
+        Universe generatedUniverse = this.Generator.GenerateUniverse();
+
+        this.GameState = new GameState();
+        this.GameState.New(generatedUniverse);
+
+        this.Controller = GetNode<Controller>("../");
+
+        Galaxy playerGalaxy = generatedUniverse.GameObjects[0] as Galaxy;
+        this.PlayerShip = this.Generator.GeneratePlayer(playerGalaxy);
+        playerGalaxy.GameObjects.Add(this.PlayerShip);
+
+        this.Controller.UpdatePlayerShip(this.PlayerShip);
+
+        this.TickTimer = new System.Timers.Timer(1000);
+        this.TickTimer.AutoReset = true;
+        this.TickTimer.Elapsed += OnTick;
+        this.TickTimer.Start();
+    }
+
+    private void OnTick(Object source, ElapsedEventArgs e)
+    {
+        if (this.IsTickProcessing)
+        {
+            this.IsThrottlingTicks = true;
+            return;
+        }
+        this.IsTickProcessing = true;
+
+        bool ticksThrottled = this.IsThrottlingTicks;
+        this.IsThrottlingTicks = false;
+
+        decimal currentTick = this.GameState.Universe.SimulateTick();
+        this.Controller.OnTick(currentTick, ticksThrottled);
+
+        this.IsTickProcessing = false;
+    }
+}