Rewrote the game in C#

Added sounds and music
2024-03-21 11:53:40 +01:00
parent abf8bf23ba
commit afab78db12
53 changed files with 1117 additions and 741 deletions
--- a/src/Game/Arrow.cs
+++ b/src/Game/Arrow.cs
@@ -0,0 +1,44 @@
+using Godot;
+using System;
+
+namespace Hellswipers.Game;
+
+public partial class Arrow : Polygon2D {
+	public enum Dirs { Right, Down, Left, Up }
+	
+	private static readonly Color NormalColor = Colors.White;
+	private static readonly Color DoneColor = Colors.Khaki;
+	private static readonly Color ErrorColor = Color.Color8(217, 70, 72);
+	
+	private Polygon2D _inner;
+	private bool _done = false;
+	public Dirs CurrentDir { private set; get; }
+
+	public override void _Ready() {
+		_inner = GetNode<Polygon2D>("Inner");
+	}
+
+	public void SetDir(Dirs dir) {
+		CurrentDir = dir;
+		Rotation = dir switch {
+			Dirs.Right => 0,
+			Dirs.Down => (float)(Math.PI / 2),
+			Dirs.Left => (float)Math.PI,
+			Dirs.Up => (float)(Math.PI * 3 / 2),
+			_ => Rotation
+		};
+	}
+
+	public void Done() {
+		_done = true;
+		_inner.Color = DoneColor;
+	}
+
+	public void Error() {
+		var tween = CreateTween();
+		tween.TweenProperty(_inner, "color", ErrorColor, 0.15);
+		tween.TweenInterval(0.15);
+		tween.TweenProperty(_inner, "color", NormalColor, 0.2);
+		_done = false;
+	}
+}
--- a/src/Game/Audio.cs
+++ b/src/Game/Audio.cs
@@ -0,0 +1,16 @@
+using Godot;
+
+namespace Hellswipers.Game;
+
+public partial class Audio : Node {
+    private AudioStreamPlayer _okPlayer;
+    private AudioStreamPlayer _errPlayer;
+
+    public void Ok() => _okPlayer.Play();
+    public void Err() => _errPlayer.Play();
+    
+    public override void _Ready() {
+        _okPlayer = GetNode<AudioStreamPlayer>("OkSound");
+        _errPlayer = GetNode<AudioStreamPlayer>("ErrorSound");
+    }
+}
--- a/src/Game/Game.cs
+++ b/src/Game/Game.cs
@@ -0,0 +1,149 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using Godot;
+
+namespace Hellswipers.Game;
+
+public partial class Game : Control {
+	private const int TotalWidth = 1920;
+	private const int SpaceBetweenArrows = 8;
+	private const long ErrorLengthMs = 400;
+
+	private PackedScene _arrowScene;
+	private AnimationPlayer _player;
+	private Node2D _arrowsNode;
+	private Label _nameLabel;
+	private Icons _icons;
+	
+	private readonly Gem[] _gems = Gem.LoadGems();
+	private readonly Random _rand = new();
+	private readonly Stopwatch _errorWatch = new();
+	
+	private readonly Queue<Gem> _nextGems = new();
+	private readonly List<Arrow> _arrows = new();
+	
+	private Gem _current;
+	private bool _disabled = false;
+	private int _pos = -1;
+
+	public delegate void VoidEventHandler();
+	public event VoidEventHandler SwipeOk;
+	public event VoidEventHandler SwipeErr;
+	public event VoidEventHandler Solved;
+
+	private Gem RandomGem() => _gems[_rand.Next(_gems.Length)];
+
+	private async void StartNewRound() {
+		var gem = RandomGem();
+		_icons.Update(gem);
+		_nextGems.Enqueue(gem);
+		
+		_current = _nextGems.Dequeue();
+		_disabled = true;
+		var tween = CreateTween();
+		tween.SetParallel();
+		if (_pos != -1) {
+			_arrows.ForEach(v => {
+				var newPos = v.CurrentDir switch {
+					Arrow.Dirs.Right => new Vector2(100, 0),
+					Arrow.Dirs.Down => new Vector2(0, 100),
+					Arrow.Dirs.Left => new Vector2(-100, 0),
+					Arrow.Dirs.Up => new Vector2(0, -100),
+					_ => new Vector2(0, 0)
+				};
+				tween.TweenProperty(v, "position", v.Position + newPos, 0.2);
+			});
+			_player.Play("round-end");
+			await ToSignal(_player, AnimationMixer.SignalName.AnimationFinished);
+			
+			_arrows.ForEach(v => {
+				_arrowsNode.RemoveChild(v);
+				v.QueueFree();
+			});
+			_arrows.Clear();
+			tween = CreateTween();
+			tween.SetParallel();
+		}
+
+		_pos = 0;
+		_nameLabel.Text = _current.Name;
+		
+		var arrowCount = _current.Dirs.Length;
+		var totalArrowWidth = 64 * arrowCount + SpaceBetweenArrows * (arrowCount - 1);
+		var xPos = (TotalWidth - totalArrowWidth) / 2;
+		foreach (var dir in _current.Dirs) {
+			var arrow = _arrowScene.Instantiate<Arrow>();
+			var startPos = dir switch {
+				Arrow.Dirs.Right => new Vector2(-100, 0),
+				Arrow.Dirs.Down => new Vector2(0, -100),
+				Arrow.Dirs.Left => new Vector2(100, 0),
+				Arrow.Dirs.Up => new Vector2(0, 100),
+				_ => new Vector2(0, 0)
+			};
+			startPos.X += xPos;
+			arrow.Position = startPos;
+			tween.TweenProperty(arrow, "position", new Vector2(xPos, 0), 0.2);
+			arrow.SetDir(dir);
+			_arrows.Add(arrow);
+			_arrowsNode.AddChild(arrow);
+			xPos += 64 + SpaceBetweenArrows;
+		}
+		
+		_player.Play("round-start");
+		await ToSignal(_player, AnimationMixer.SignalName.AnimationFinished);
+
+		_disabled = false;
+	}
+	
+	private void HandleInput(Arrow.Dirs dir) {
+		if (_disabled) {
+			if (_errorWatch.IsRunning && _errorWatch.ElapsedMilliseconds >= ErrorLengthMs) {
+				_disabled = false;
+				_errorWatch.Stop();
+			} else return;
+		}
+		
+		if (_pos >= _current.Dirs.Length) return;
+
+		if (dir == _current.Dirs[_pos]) {
+			_arrows[_pos].Done();
+			_pos++;
+			SwipeOk!.Invoke();
+			if (_pos == _current.Dirs.Length) {
+				Solved!.Invoke();
+				StartNewRound();
+			}
+		} else {
+			_disabled = true;
+			SwipeErr!.Invoke();
+			_errorWatch.Start();
+			_arrows.ForEach(v => v.Error());
+			_pos = 0;
+		}
+	}
+
+	public override void _Ready() {
+		_player = GetNode<AnimationPlayer>("AnimationPlayer");
+		_arrowsNode = GetNode<Node2D>("Arrows");
+		_nameLabel = GetNode<Label>("Name");
+		_icons = GetNode<Icons>("Icons");
+		
+		var stats = GetNode<Stats>("StatContainer");
+		SwipeOk += () => stats.Combo++;
+		SwipeErr += () => stats.Combo = 0;
+		Solved += () => stats.Solved++;
+
+		var audio = GetNode<Audio>("Audio");
+		SwipeOk += audio.Ok;
+		SwipeErr += audio.Err;
+		
+		_arrowScene = ResourceLoader.Load<PackedScene>("res://game/arrow.tscn");
+		
+		for (int i = 0; i < 7; ++i)
+			_nextGems.Enqueue(RandomGem());
+
+		_icons.Init(_nextGems.ToArray());
+		StartNewRound();
+	}
+}
--- a/src/Game/GemData.cs
+++ b/src/Game/GemData.cs
@@ -0,0 +1,88 @@
+using System.Linq;
+using Godot;
+
+namespace Hellswipers.Game;
+
+public record struct Gem {
+    public readonly Texture2D Texture;
+    public readonly string Name;
+    public readonly Arrow.Dirs[] Dirs;
+    
+    public Gem(string Name, string textureName, Arrow.Dirs[] Dirs) {
+        this.Name = Name;
+        this.Dirs = Dirs;
+        Texture = ResourceLoader.Load<Texture2D>(textureName);
+    }
+
+    public Variant this[int i] {
+        get {
+            switch (i) {
+                case 0:
+                    return Name;
+                case 1:
+                    return Texture;
+                case 2:
+                    return Dirs.Select(v => (int)v).ToArray();
+            }
+            return 0;
+        }
+    }
+
+    public static Gem[] LoadGems() => new Gem[] {
+        new ("LIFT-850 Jump Pack", "res://game/gems/LIFT-850icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Up,Arrow.Dirs.Down,Arrow.Dirs.Up}),
+        new ("B-1 Supply Pack", "res://game/gems/B-1icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Up,Arrow.Dirs.Down}),
+        new ("AX/LAS-5 \"Guard Dog\" Rover", "res://game/gems/AX-LAS-5icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Right}),
+        new ("SH-20 Ballistic Shield Backpack", "res://game/gems/SH-20icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Down,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Left}),
+        new ("SH-32 Shield Generator Pack", "res://game/gems/SH-32icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Right,Arrow.Dirs.Left,Arrow.Dirs.Right}),
+        new ("AX/AR-23 \"Guard Dog\"", "res://game/gems/AX-AR-23icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Down}),
+        new ("MG-43 Machine Gun", "res://game/gems/MG-43icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Right}),
+        new ("APW-1 Anti-Materiel Rifle", "res://game/gems/APW-1icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Right,Arrow.Dirs.Up,Arrow.Dirs.Down}),
+        new ("M-105 Stalwart", "res://game/gems/M-105icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Up,Arrow.Dirs.Left}),
+        new ("EAT-17 Expendable Anti-tank", "res://game/gems/EAT-17icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Up,Arrow.Dirs.Right}),
+        new ("GR-8 Recoilless Rifle", "res://game/gems/GR-8icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Right,Arrow.Dirs.Right,Arrow.Dirs.Left}),
+        new ("FLAM-40 Flamethrower", "res://game/gems/FLAM-40icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Up,Arrow.Dirs.Down,Arrow.Dirs.Up}),
+        new ("AC-8 Autocannon", "res://game/gems/AC-8icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Up,Arrow.Dirs.Right}),
+        new ("RS-422 Railgun", "res://game/gems/RS-422icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Right}),
+        new ("FAF-14 SPEAR Launcher", "res://game/gems/FAF-14icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Down,Arrow.Dirs.Down}),
+        new ("GL-21 Grenade Launcher", "res://game/gems/GL-21icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Down}),
+        new ("LAS-98 Laser Cannon", "res://game/gems/LAS-98icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Left}),
+        new ("ARC-3 Arc Thrower", "res://game/gems/ARC-3icon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Left}),
+        new ("Reinforce", "res://game/gems/Reinforceicon.png", new [] {Arrow.Dirs.Up,Arrow.Dirs.Down,Arrow.Dirs.Right,Arrow.Dirs.Left,Arrow.Dirs.Up}),
+        new ("SOS Beacon", "res://game/gems/SOSicon.png", new [] {Arrow.Dirs.Up,Arrow.Dirs.Down,Arrow.Dirs.Right,Arrow.Dirs.Up}),
+        new ("Resupply", "res://game/gems/ResupplyIcon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Right}),
+        new ("NUX-223 Hellbomb", "res://game/gems/Strat_NUX-223_Hellbomb_mk1.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Up}),
+        new ("SSSD Delivery", "res://game/gems/DeliverSSSDicon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Down,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Up}),
+        new ("Seismic Probe", "res://game/gems/Seismic_probe_icon.png", new [] {Arrow.Dirs.Up,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Down}),
+        new ("Upload Data", "res://game/gems/DeliverSSSDicon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Up,Arrow.Dirs.Up}),
+        new ("Eagle Rearm", "res://game/gems/HD2_Eagle_Rearm_Icon.jpg", new [] {Arrow.Dirs.Up,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Up,Arrow.Dirs.Right}),
+        new ("E/MG-101 HMG Emplacement", "res://game/gems/HMGTurreticon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Right,Arrow.Dirs.Right,Arrow.Dirs.Left}),
+        new ("FX-12 Shield Generator Relay", "res://game/gems/Shieldrelayicon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Right,Arrow.Dirs.Left,Arrow.Dirs.Right}),
+        new ("A/ARC-3 Tesla Tower", "res://game/gems/Teslaicon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Right}),
+        new ("MD-6 Anti-Personnel Minefield", "res://game/gems/Minefieldicon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Up,Arrow.Dirs.Right}),
+        new ("MD-I4 Incendiary Mines", "res://game/gems/Fireminefieldicon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Left,Arrow.Dirs.Down}),
+        new ("A/MG-43 Machine Gun Sentry", "res://game/gems/MGsentryicon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Right,Arrow.Dirs.Up}),
+        new ("A/G-16 Gatling Sentry", "res://game/gems/Gatlingsentryicon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Left}),
+        new ("A/M-12 Mortar Sentry", "res://game/gems/Mortarsentryicon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Right,Arrow.Dirs.Down}),
+        new ("A/AC-8 Autocannon Sentry", "res://game/gems/Autocannoasentryicon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Up}),
+        new ("A/MLS-4X Rocket Sentry", "res://game/gems/Missilesentryicon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Right,Arrow.Dirs.Left}),
+        new ("A/M-23 EMS Mortar Sentry", "res://game/gems/EMSmortaricon.png", new [] {Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Right}),
+        new ("Orbital Gatling Barrage", "res://game/gems/OrbitalGatlingicon.png", new [] {Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Up,Arrow.Dirs.Up}),
+        new ("Orbital Airburst Strike", "res://game/gems/OrbitalAirbursticon.png", new [] {Arrow.Dirs.Right,Arrow.Dirs.Right,Arrow.Dirs.Right}),
+        new ("Orbital 120MM HE Barrage", "res://game/gems/Orbital120icon.png", new [] {Arrow.Dirs.Right,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Left,Arrow.Dirs.Right,Arrow.Dirs.Down}),
+        new ("Orbital 380MM HE Barrage", "res://game/gems/Orbital380icon.png", new [] {Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Up,Arrow.Dirs.Left,Arrow.Dirs.Down,Arrow.Dirs.Down}),
+        new ("Orbital Walking Barrage", "res://game/gems/OrbitalWalkingicon.png", new [] {Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Right,Arrow.Dirs.Down}),
+        new ("Orbital Laser", "res://game/gems/OrbitalLasericon.png", new [] {Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Down}),
+        new ("Orbital Railcannon Strike", "res://game/gems/OrbitalRailcannonicon.png", new [] {Arrow.Dirs.Right,Arrow.Dirs.Up,Arrow.Dirs.Down,Arrow.Dirs.Down,Arrow.Dirs.Right}),
+        new ("Orbital Precision Strike", "res://game/gems/OrbitalPrecisionicon.png", new [] {Arrow.Dirs.Right,Arrow.Dirs.Right,Arrow.Dirs.Up}),
+        new ("Orbital Gas Strike", "res://game/gems/OrbitalGasicon.png", new [] {Arrow.Dirs.Right,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Right}),
+        new ("Orbital EMS Strike", "res://game/gems/OrbitalEMSicon.png", new [] {Arrow.Dirs.Right,Arrow.Dirs.Right,Arrow.Dirs.Left,Arrow.Dirs.Down}),
+        new ("Orbital Smoke Strike", "res://game/gems/OrbitalSmokeicon.png", new [] {Arrow.Dirs.Right,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Up}),
+        new ("Eagle Strafing Run", "res://game/gems/EagleStrafingicon.png", new [] {Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Right}),
+        new ("Eagle Airstrike", "res://game/gems/EagleAirstrikeicon.png", new [] {Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Right}),
+        new ("Eagle Cluster Bomb", "res://game/gems/EagleClusterbombicon.png", new [] {Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Down,Arrow.Dirs.Right}),
+        new ("Eagle Napalm Airstrike", "res://game/gems/EagleNapalmicon.png", new [] {Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Up}),
+        new ("Eagle Smoke Strike", "res://game/gems/EagleSmokeicon.png", new [] {Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Up,Arrow.Dirs.Down}),
+        new ("Eagle 110MM Rocket Pods", "res://game/gems/EagleRocketpodicon.png", new [] {Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Up,Arrow.Dirs.Left}),
+        new ("Eagle 500kg Bomb", "res://game/gems/Eagle500icon.png", new [] {Arrow.Dirs.Up,Arrow.Dirs.Right,Arrow.Dirs.Down,Arrow.Dirs.Down,Arrow.Dirs.Down})
+    };
+}
--- a/src/Game/Icons.cs
+++ b/src/Game/Icons.cs
@@ -0,0 +1,56 @@
+using System.Collections.Generic;
+using Godot;
+
+namespace Hellswipers.Game;
+
+public partial class Icons : Node2D {
+    private const int IconSize = 144;
+    private const int SpaceBetween = 48;
+    private const int TotalIconSize = IconSize + SpaceBetween;
+    private const double AnimationLength = 0.4;
+    private static readonly Vector2 IconScale = new(3, 3);
+
+    private readonly Queue<Sprite2D> _icons = new();
+
+    private Sprite2D CreateIcon(Texture2D tex) {
+        var icon = new Sprite2D();
+        icon.Texture = tex;
+        icon.Scale = IconScale;
+        AddChild(icon);
+        _icons.Enqueue(icon);
+        return icon;
+    }
+
+    public void Init(Gem[] nextGems) {
+        CreateIcon(null);
+        var pos = TotalIconSize;
+        foreach (var gem in nextGems) {
+            CreateIcon(gem.Texture).Position = new(pos, 0);
+            pos += TotalIconSize;
+        }
+    }
+
+    public void Update(Gem gem) {
+        var tween = CreateTween();
+        tween.SetParallel();
+        tween.SetTrans(Tween.TransitionType.Cubic);
+        tween.SetEase(Tween.EaseType.InOut);
+
+        var oldIcon = _icons.Dequeue();
+        tween.TweenProperty(oldIcon, "position:x", -Position.X - IconSize, AnimationLength);
+        tween.TweenProperty(oldIcon, "self_modulate", new Color(1, 1, 1, 0), AnimationLength);
+
+        var newIcon = CreateIcon(gem.Texture);
+        newIcon.Position = new(_icons.Count * TotalIconSize, 0);
+        newIcon.SelfModulate = new(1, 1, 1, 0);
+        tween.TweenProperty(newIcon, "self_modulate", new Color(1, 1, 1, 1), AnimationLength);
+
+        foreach (var icon in _icons)
+            tween.TweenProperty(icon, "position:x", icon.Position.X - TotalIconSize, AnimationLength);
+
+        tween.Finished += () => {
+            RemoveChild(oldIcon);
+            oldIcon.QueueFree();
+        };
+    }
+}
--- a/src/Game/Input.cs
+++ b/src/Game/Input.cs
@@ -0,0 +1,46 @@
+using System;
+using Godot;
+
+namespace Hellswipers.Game;
+
+public partial class Game {
+    private Vector2? _swipeStart;
+    
+    private void CalcSwipe(Vector2 end) {
+        if (!_swipeStart.HasValue)
+            return;
+        var delta = end - _swipeStart.Value;
+        _swipeStart = null;
+
+        var deltaAbs = delta.Abs();
+        var biggest = Math.Max(deltaAbs.X, deltaAbs.Y);
+        if (biggest < 50)
+            return;
+
+        HandleInput(deltaAbs.X > deltaAbs.Y
+            ? (delta.X > 0 ? Arrow.Dirs.Right : Arrow.Dirs.Left)
+            : (delta.Y > 0 ? Arrow.Dirs.Down : Arrow.Dirs.Up)
+        );
+    }
+	
+    public override void _UnhandledInput(InputEvent ev) {
+        if (ev is InputEventMouseButton evm) {
+            if (ev.IsPressed())
+                _swipeStart = evm.Position;
+            else
+                CalcSwipe(evm.Position);
+        } else {
+            if (ev.IsActionPressed("key_up"))
+                HandleInput(Arrow.Dirs.Up);
+            else if (ev.IsActionPressed("key_down"))
+                HandleInput(Arrow.Dirs.Down);
+            else if (ev.IsActionPressed("key_left"))
+                HandleInput(Arrow.Dirs.Left);
+            else if (ev.IsActionPressed("key_right"))
+                HandleInput(Arrow.Dirs.Right);
+            else if (ev.IsActionPressed("escape"))
+                GetTree().ChangeSceneToPacked(ResourceLoader.Load<PackedScene>("res://main_menu/main_menu.tscn"));
+        }
+    }
+
+}
--- a/src/Game/Stats.cs
+++ b/src/Game/Stats.cs
@@ -0,0 +1,33 @@
+using Godot;
+
+namespace Hellswipers.Game;
+
+public partial class Stats : Node {
+    private Label _comboLabel;
+    private Label _solvedLabel;
+
+    private int _combo = 0;
+    private int _solved = 0;
+
+    public int Combo {
+        get => _combo;
+        set {
+            _combo = value;
+            _comboLabel.Text = _combo.ToString();
+        }
+    }
+
+    public int Solved {
+        get => _solved;
+        set {
+            _solved = value;
+            _solvedLabel.Text = _solved.ToString();
+        }
+    }
+
+
+    public override void _Ready() {
+        _comboLabel = GetNode<Label>("Combo");
+        _solvedLabel = GetNode<Label>("Solved");
+    }
+}
--- a/src/MainMenu.cs
+++ b/src/MainMenu.cs
@@ -0,0 +1,26 @@
+using Godot;
+
+namespace Hellswipers;
+
+public partial class MainMenu : Control {
+	public override void _Ready() {
+		Settings.Init();
+		
+		var sb = GetNode<TextureToggleButton>("Settings/SoundToggle");
+		sb.State = Settings.SoundMute;
+		sb.StateChanged = v => Settings.SoundMute = v;
+
+		var mb = GetNode<TextureToggleButton>("Settings/MusicToggle");
+		mb.State = Settings.MusicMute;
+		mb.StateChanged = v => Settings.MusicMute = v;
+
+		GetNode<Button>("StartButton").Pressed +=
+			() => GetTree().ChangeSceneToPacked(ResourceLoader.Load<PackedScene>("res://game/game.tscn"));
+
+		GetNode<Button>("ExitButton").Pressed += () => {
+			var tree = GetTree();
+			tree.Root.PropagateNotification((int)NotificationWMCloseRequest);
+			tree.Quit();
+		};
+	}
+}
--- a/src/Settings.cs
+++ b/src/Settings.cs
@@ -0,0 +1,26 @@
+using Godot;
+
+namespace Hellswipers;
+
+public static class Settings {
+    private static bool _initDone;
+    private static int _soundBus, _musicBus;
+
+    public static bool SoundMute {
+        get => AudioServer.IsBusMute(_soundBus);
+        set => AudioServer.SetBusMute(_soundBus, value);
+    }
+
+    public static bool MusicMute {
+        get => AudioServer.IsBusMute(_musicBus);
+        set => AudioServer.SetBusMute(_musicBus, value);
+    }
+
+    public static void Init() {
+        if (_initDone) return;
+        _initDone = true;
+
+        _soundBus = AudioServer.GetBusIndex("Sound");
+        _musicBus = AudioServer.GetBusIndex("Music");
+    }
+}
--- a/src/TextureToggleButton.cs
+++ b/src/TextureToggleButton.cs
@@ -0,0 +1,54 @@
+using System;
+using Godot;
+
+namespace Hellswipers;
+
+[Tool]
+[GlobalClass]
+public partial class TextureToggleButton : BaseButton {
+	public Action<bool> StateChanged = null;
+	
+	[Export] public Texture2D FalseTexture;
+	[Export] public Texture2D TrueTexture;
+	[Export]
+	public bool State {
+		get => _state;
+		set {
+			_state = value;
+			StateChanged?.Invoke(value);
+			QueueRedraw();
+		}
+	}
+
+	private bool _state;
+	private Color _baseColor;
+	private Color _hoverColor;
+	private Color _pressColor;
+
+	public override Vector2 _GetMinimumSize() => new(
+		Math.Max(FalseTexture?.GetWidth() ?? 0, TrueTexture?.GetWidth() ?? 0),
+		Math.Max(FalseTexture?.GetHeight() ?? 0, TrueTexture?.GetHeight() ?? 0)
+	);
+
+	public override void _Pressed() => State = !State;
+
+	public override void _Draw() {
+		SelfModulate = GetDrawMode() switch {
+			DrawMode.Normal => _baseColor,
+			DrawMode.Disabled => _baseColor,
+			DrawMode.Hover => _hoverColor,
+			DrawMode.Pressed => _pressColor,
+			DrawMode.HoverPressed => _pressColor,
+			_ => SelfModulate
+		};
+		
+		if (TrueTexture != null && FalseTexture != null)
+			DrawTexture(State ? TrueTexture : FalseTexture, Vector2.Zero);
+	}
+
+	public override void _Ready() {
+		_baseColor = GetThemeColor("font_color", "Button");
+		_hoverColor = GetThemeColor("font_hover_color", "Button");
+		_pressColor = GetThemeColor("font_pressed_color", "Button");
+	}
+}