background still missing

Controller.cs

@@ -77,10 +77,10 @@ public partial class Controller : Window
 			this._screenReady = true;
 		}
 		
-		if (this._btnScene1.IsPressed()) mainScript.SetScene(1);
+		if (this._btnScene1.IsPressed()) mainScript.SetScene(0);
-		if (this._btnScene2.IsPressed()) mainScript.SetScene(2);
+		if (this._btnScene2.IsPressed()) mainScript.SetScene(1);
-		if (this._btnScene3.IsPressed()) mainScript.SetScene(3);
+		if (this._btnScene3.IsPressed()) mainScript.SetScene(2);
-		if (this._btnScene4.IsPressed()) mainScript.SetScene(4);
+		if (this._btnScene4.IsPressed()) mainScript.SetScene(3);
 
 		if (this._btnLoad.IsPressed() && this._loadReady)
 		{

MainScript.cs

@@ -2,6 +2,7 @@ using Godot;
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using StarSkyPresenter;
 using YamlDotNet.Serialization;
 using FileAccess = System.IO.FileAccess;
@@ -13,7 +14,7 @@ public partial class MainScript : Node2D
 	private bool _configIsLoaded = false;
 	
 	private Dictionary<string, Star> _stars = new Dictionary<string, Star>();
-	private List<Dictionary<string, StarSceneData>> _scenes = new List<Dictionary<string, StarSceneData>>()
+	private List<Scene> _scenes = new List<Scene>();
 	
 	// Called when the node enters the scene tree for the first time.
 	public override void _Ready()
@@ -36,6 +37,16 @@ public partial class MainScript : Node2D
 		DisplayServer.WindowSetMode(DisplayServer.WindowMode.ExclusiveFullscreen, window.GetWindowId());
 	}
 
+	public List<Star> GetStars()
+	{
+		return this._stars.Values.ToList();
+	}
+
+	public List<Scene> GetScenes()
+	{
+		return this._scenes;
+	}
+
 	public int GetScene()
 	{
 		return this._scene;
@@ -63,9 +74,9 @@ public partial class MainScript : Node2D
 		// deserialize the values
 		IDeserializer deser = new DeserializerBuilder().Build();
 		Objects obj_conf = deser.Deserialize<Objects>(new StreamReader(configFile));
-		List<Dictionary<string, StarSceneData>> scene_conf = deser.Deserialize<List<Dictionary<string, StarSceneData>>>(new StreamReader(scenesFile));
+		List<SceneConfig> scene_conf = deser.Deserialize<List<SceneConfig>>(new StreamReader(scenesFile));
 		
-		Dictionary<string, Star> stars = new Dictionary<string, Star>();
+		this._stars.Clear();
 		
 		foreach (StarConfig star_config in obj_conf.stars)
 		{
@@ -85,7 +96,7 @@ public partial class MainScript : Node2D
 				Sprite = sprite
 			};
 			
-			stars.Add(star_config.id, star);
+			this._stars.Add(star_config.id, star);
 		}
 
 		foreach (Node child in projection.GetChildren())
@@ -94,23 +105,63 @@ public partial class MainScript : Node2D
 			child.QueueFree();
 		}
 		
-		foreach (KeyValuePair<string, Star> star in stars)
+		foreach (KeyValuePair<string, Star> star in this._stars)
 		{
 			projection.AddChild(star.Value.Sprite);
+			star.Value.Sprite.ZIndex = 5;
 		}
 
-		List<Dictionary<string, Star>> scenes = new List<Dictionary<string, Star>>();
+		List<Scene> scenes = new List<Scene>();
 		foreach (var scene in scene_conf)
 		{
-			foreach (KeyValuePair<string, StarSceneData> kv in scene)
+			Dictionary<string, Star> namedStars = new Dictionary<string, Star>();
+			foreach (KeyValuePair<string, Star> kv in this._stars)
 			{
-				// TODO: continue here
+				Star star;
+				// check whether a given object is overridden in this scene
+				if (scene.stars.ContainsKey(kv.Key))
+				{
+					// compute the combination of the scene with changes applied
+					var sceneStar = scene.stars[kv.Key];
+					star = new Star
+					{
+						Id = kv.Value.Id,
+						X = sceneStar.x ?? kv.Value.X,
+						Y = sceneStar.y ?? kv.Value.Y,
+						Rot = sceneStar.rot ?? kv.Value.Rot,
+						Scale = sceneStar.scale ?? kv.Value.Scale,
+						Sprite = (Sprite2D)kv.Value.Sprite.Duplicate(),
+					};
 				}
+				else
+				{
+					// copy the original if not
+					star = new Star
+					{
+						Id = kv.Value.Id,
+						X = kv.Value.X,
+						Y = kv.Value.Y,
+						Rot = kv.Value.Rot,
+						Scale = kv.Value.Scale,
+						Sprite = (Sprite2D)kv.Value.Sprite.Duplicate()
+					};
 				}
 
+				namedStars.Add(kv.Key, star);
+			}
+			
+			scenes.Add(new Scene
+			{
+				transition = scene.transition,
+				stars = namedStars
+			});
+		}
+		GD.Print(scenes.Count);
+		
 		configFile.Close();
 		scenesFile.Close();
 		
 		this._configIsLoaded = true;
+		this._scenes = scenes;
 	}
 }

Projection.cs

@@ -1,13 +1,16 @@
 using Godot;
 using System;
 using System.Collections.Generic;
+using System.Numerics;
+using StarSkyPresenter;
 using YamlDotNet.Serialization;
+using Vector2 = Godot.Vector2;
 
 public partial class Projection : Window
 {
 	private double _sceneTime = 0;
-	private int _lastScene = 1;
+	private int _lastScene = 0;
-	private int _activeScene = 1;
+	private int _activeScene = 0;
 	
 	
 	// Called when the node enters the scene tree for the first time.
@@ -16,12 +19,35 @@ public partial class Projection : Window
 		
 	}
 
+	private double Fapply(double input, string fname)
+	{
+		switch (fname)
+		{
+			case "lin": return input;
+			case "sin": return Math.Sin(input);
+			case "cos": return 1.0 - Math.Cos(input);
+			case "sin2": return Math.Sin(input)*Math.Sin(input);
+			default: return 0;
+		}
+	}
+
+	private double FadeTime(bool fadeIn, bool fadeOut, double t)
+	{
+		switch ((fadeIn, fadeOut))
+		{
+			case (true, true): return Math.Sin(t)*Math.Sin(t);
+			case (true, false): return 1 - Math.Cos(t);
+			case (false, true): return Math.Sin(t);
+			case (false, false): return t;
+		}
+	}
+
 	// Called every frame. 'delta' is the elapsed time since the previous frame.
 	public override void _Process(double delta)
 	{
 		// get MainScript instance
 		MainScript mainScript = (MainScript)this.GetTree().GetRoot().GetNode<MainScript>("Main");
-		Window projectionWindow = GetNode<Window>("/root/Main/Projection");
+		if (mainScript.GetScenes().Count == 0) return;
 		
 		// check for scene update and if so reset the scene time
 		if (mainScript.GetScene() != this._activeScene)
@@ -35,6 +61,38 @@ public partial class Projection : Window
 			this._sceneTime += delta;
 		}
 		
+		// TODO: calculate scene weight
+		var transition = mainScript.GetScenes()[this._lastScene].transition;
+		string xFade = transition.x;
+		string yFade = transition.y;
+		double t = (Math.Clamp(this._sceneTime / transition.t, 0, 1)) * 3.14159265 / 2;
+		double weight = FadeTime(transition.fade_out, transition.fade_in, t);
+		Vector2 posWeight = new Vector2((float)Fapply(weight * 3.14159265 / 2, yFade), (float)Fapply(weight * 3.14159265 / 2, xFade));
+		
+		GD.Print("T: " + t + ", weight: " + weight + ", posWeight: " + posWeight);
+		
+		// update background
+		// TODO: update background
+		
+		// update all the stars
+		foreach (Star star in mainScript.GetStars())
+		{
+			var oldStar = mainScript.GetScenes()[this._lastScene].stars[star.Id];
+			var newStar = mainScript.GetScenes()[this._activeScene].stars[star.Id];
+
+			float baseScale = ((float)this.GetSize().X / star.Sprite.GetTexture().GetWidth()) / 100;
+
+			double activeRot = (1 - weight) * oldStar.Rot + weight * newStar.Rot;
+			Vector2 activePos = (Vector2.One - posWeight) * new Vector2(oldStar.X, oldStar.Y) + posWeight * new Vector2(newStar.X, newStar.Y);
+			float activeScale = ((1 - (float)weight) * oldStar.Scale + (float)weight * newStar.Scale) * baseScale;
+				
+			//GD.Print("Scene: " + this._activeScene + ", Time: " + this._sceneTime + ", Weight: " + weight + ", ActiveRot: " + activeRot + ", ActivePos: " + activePos + ", ActiveScale: " + activeScale);
+			
+			star.Sprite.Rotation += (float)(((2*3.14159265)*(activeRot / 365)) * delta);
+			star.Sprite.Position = activePos * this.GetSize();
+			star.Sprite.Scale = Vector2.One * activeScale;
+		}
+		
 	}
 
 }

Star.cs

@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using Godot;
 
@@ -17,10 +18,33 @@ public class StarConfig
 [SuppressMessage("ReSharper", "InconsistentNaming")]
 public class StarSceneData
 {
-    public float x { get; set; }
+    public float? x { get; set; }
-    public float y { get; set; }
+    public float? y { get; set; }
-    public float rot { get; set; }
+    public float? rot { get; set; }
-    public float scale { get; set; }
+    public float? scale { get; set; }
+}
+
+[SuppressMessage("ReSharper", "InconsistentNaming")]
+public class TransitionConfig
+{
+    public bool fade_in { get; set; } = false;
+    public bool fade_out { get; set; } = false;
+    public double t { get; set; } = 1;
+    public string x { get; set; } = "lin";
+    public string y { get; set; } = "lin";
+}
+
+[SuppressMessage("ReSharper", "InconsistentNaming")]
+public class SceneConfig
+{
+    public Dictionary<string, StarSceneData> stars { get; set; }
+    public TransitionConfig transition { get; set; }
+}
+
+public class Scene
+{
+    public Dictionary<string, Star> stars { get; set; }
+    public TransitionConfig transition { get; set; }
 }
 
 public class Star

config.yaml

@@ -1,18 +1,9 @@
-
 stars:
   - id: star-1
-    x: 50
+    x: 0.1
-    y: 50
+    y: 0.1
-    rot: 15
     scale: 5
+    rot: 5
     image: nice-star-1.png
-  - id: star-2
-    x: 25
-    y: 25
-    rot: 10
-    scale: 4
-    image: nice-star-2.png
-    
-    
 background: background-01.jpg
 frameRate: 30

node_2d.tscn

@@ -39,7 +39,7 @@ offset_left = 420.0
 offset_top = 30.0
 offset_right = 520.0
 offset_bottom = 90.0
-text = "Scene 3"
+text = "Scene 4"
 
 [node name="BtnClose" type="Button" parent="Controller"]
 offset_left = 42.0

scenes.yaml

@@ -1,12 +1,30 @@
-- star-1:
+- stars:
-    x: 50
+    star-1:
-    y: 50
+      x: 1.1
-  star-2:
+      y: 1.1
-    x: 60
+  transition:
-    y: 0
+    t: 5
-- star-1:
+    fade_in: true
-    x: 10
+    fade_out: false
-    y: 10
+    x: sin
-  star-2:
+    y: cos
-    x: 25
+- stars:
-    y: 25
+    star-1:
+      x: 0.5
+      y: 0.5
+  transition:
+    t: 5
+    fade_in: false
+    fade_out: true
+    x: cos
+    y: sin
+- stars:
+    star-1:
+      x: -0.1
+      y: 1.1
+  transition:
+    t: 5
+    fade_in: true
+    fade_out: false
+    x: sin
+    y: cos