Restructuring - added modules

src/Assets/Assets.bf

@@ -10,7 +10,7 @@ namespace Strawberry
 		static public Dictionary<String, Sprite> Sprites { get; private set; }
 
 		#if DEBUG
-		static public readonly String Root = "../../../src/assets/";
+		static public readonly String Root = "src/assets/";
 		#else
 		static public readonly String Root = "assets/";
 		#endif

src/Input/Input.bf

@@ -5,17 +5,18 @@ namespace Strawberry
 {
 	static public class Input
 	{
+		public const int GamepadLimit = 4;
 
 		static private bool[] previousKeyboard;
 		static private float[] lastKeypressTimes;
 		
-		static private void Init()
+		static private void Startup()
 		{
 			previousKeyboard = new bool[Keys.Count];
 			lastKeypressTimes = new float[Keys.Count];
 		}
 
-		static private void Dispose()
+		static private void Shutdown()
 		{
 			delete previousKeyboard;
 			delete lastKeypressTimes;

src/JSON/JSON.bf

@@ -396,7 +396,15 @@ namespace Strawberry
 		static public JSON FromFile(String filePath)
 		{
 			FileStream stream = scope FileStream();
-			stream.Open(filePath, .Read);
+
+			let str = scope String();
+			Directory.GetCurrentDirectory(str);
+			Calc.Log(str);
+
+			
+
+			if (stream.Open(filePath, .Read) case .Err)
+				Runtime.FatalError("Unable to open FileStream");
 			let json = FromStream(stream);
 			stream.Close();
 

src/Modules/Editor.bf

@@ -0,0 +1,26 @@
+namespace Strawberry
+{
+	public abstract class Editor : Module
+	{
+		public this(PlatformLayer platformLayer)
+			: base(platformLayer)
+		{
+			
+		}
+
+		protected override void Update()
+		{
+
+		}
+
+		protected override void Render()
+		{
+			PlatformLayer.EditorRenderBegin();
+			UI();
+			PlatformLayer.EditorRenderEnd();
+			PlatformLayer.RenderEnd();
+		}
+
+		protected abstract void UI();
+	}
+}

src/Modules/Game.bf

@@ -14,53 +14,29 @@ namespace Strawberry
 		static public Game Game;
 	}
 
-	public abstract class Game
+	public abstract class Game : Module
 	{
 		public readonly List<VirtualInput> VirtualInputs;
-		public readonly String Title;
-		public readonly int Width;
-		public readonly int Height;
-		public readonly int WindowScale;
-		public readonly int GamepadLimit;
 		
 		private Scene scene;
 		private Scene switchToScene;
 		private bool updating;
 
-		public PlatformLayer PlatformLayer { get; private set; }
 		public Batcher Batcher { get; private set; }
 		public Color ClearColor = .Black;
 		public bool DebugOverlay = false;
 
 		private bool* keyboardState;
 		private int32 updateCounter;
+		private float msCounter;
 
-		public this(PlatformLayer platformLayer, String windowTitle, int32 width, int32 height, int32 windowScale, int gamepadLimit)
+		public this(PlatformLayer platformLayer)
-			: base()
+			: base(platformLayer)
 		{
 			Game = this;
-			PlatformLayer = platformLayer;
 
-			Title = windowTitle;
-			Width = width;
-			Height = height;
-			WindowScale = windowScale;
-			GamepadLimit = gamepadLimit;
-
-			String exePath = scope .();
-			Environment.GetExecutableFilePath(exePath);
-			String exeDir = scope .();
-			Path.GetDirectoryPath(exePath, exeDir);
-			Directory.SetCurrentDirectory(exeDir);
-
-			platformLayer.UpdateScreenMatrix();
-			platformLayer.Init();
 			Batcher = platformLayer.CreateBatcher();
-
 			VirtualInputs = new List<VirtualInput>();
-			Input.[Friend]Init();
-
-			Tracker.[Friend]BuildAssignmentLists();
 			Assets.LoadAll();
 		}
 
@@ -82,50 +58,12 @@ namespace Strawberry
 			}
 
 			Assets.DisposeAll();
-			Input.[Friend]Dispose();
-
 			delete Batcher;
 
 			Game = null;
 		}
 
-		public void Run()
+		protected override void Update()
-		{
-			float msCounter = 0;
-			uint32 prevTick = 0;
-			while (true)
-			{
-				if (PlatformLayer.Closed())
-					return;
-
-				uint32 tick = PlatformLayer.Ticks;
-				msCounter += (tick - prevTick);
-
-				if (Time.FixedTimestep)
-				{
-					Time.RawDelta = Time.TargetDeltaTime;
-					while (msCounter >= Time.TargetMilliseconds)
-					{
-						msCounter -= Time.TargetMilliseconds;
-						PlatformLayer.UpdateInput();
-						Update();
-						Input.AfterUpdate();
-					}
-				}
-				else
-				{
-					Time.RawDelta = (tick - prevTick) / 1000f;
-					PlatformLayer.UpdateInput();
-					Update();
-					Input.AfterUpdate();
-				}
-
-				Render();
-				prevTick = tick;
-			}
-		}
-
-		public virtual void Update()
 		{
 			//Input
 			for (var i in VirtualInputs)
@@ -159,7 +97,7 @@ namespace Strawberry
 			}
 		}
 
-		private void Render()
+		protected override void Render()
 		{
 			PlatformLayer.GameRenderBegin();
 			Draw();
@@ -200,5 +138,10 @@ namespace Strawberry
 		{
 
 		}
+
+		public virtual Editor CreateEditor()
+		{
+			return null;
+		}
 	}
 }

src/Modules/Module.bf

@@ -0,0 +1,69 @@
+namespace Strawberry
+{
+	public abstract class Module
+	{
+		public enum RunResults { Quit, Swap }
+
+		public PlatformLayer PlatformLayer { get; private set; }
+
+		private float msCounter;
+		private uint32 prevTicks;
+
+		public this(PlatformLayer platformLayer)
+		{
+			PlatformLayer = platformLayer;
+		}
+
+		public Module Run()
+		{
+			while (true)
+			{
+				let tick = PlatformLayer.Ticks;
+				msCounter += tick - prevTicks;
+
+				// update
+				if (Time.FixedTimestep)
+				{
+					Time.RawDelta = Time.TargetDeltaTime;
+					while (msCounter >= Time.TargetMilliseconds)
+					{
+						msCounter -= Time.TargetMilliseconds;
+						PlatformLayer.UpdateInput();
+						Update();
+						Input.AfterUpdate();
+					}
+				}
+				else
+				{
+					Time.RawDelta = (tick - prevTicks) / 1000f;
+					PlatformLayer.UpdateInput();
+					Update();
+					Input.AfterUpdate();
+				}
+
+				// render
+				Render();
+
+				// exit or swap to another module
+				if (PlatformLayer.Closed())
+					return null;
+				else if (Input.KeyPressed(.F1))
+				{
+					let swapTo = CreateSwapModule();
+					if (swapTo != null)
+						return swapTo;
+				}
+
+				prevTicks = tick;
+			}	
+		}
+
+		protected abstract void Update();
+		protected abstract void Render();
+
+		public virtual Module CreateSwapModule()
+		{
+			return null;
+		}
+	}
+}

src/PlatformLayer/PlatformLayer.bf

@@ -3,16 +3,28 @@ namespace Strawberry
 {
 	public abstract class PlatformLayer
 	{
+		public readonly String Title;
+		public readonly int ScreenWidth;
+		public readonly int ScreenHeight;
+		public readonly int WindowScale;
+
 		public Mat4x4 ScreenMatrix { get; private set; }
 
+		public this(String title, int screenWidth, int screenHeight, int windowScale)
+		{
+			Title = title;
+			ScreenWidth = screenWidth;
+			ScreenHeight = screenHeight;
+			WindowScale = windowScale;
+		}
+
 		public void UpdateScreenMatrix()
 		{
-			ScreenMatrix = Mat4x4.CreateOrthographic(Game.Width, Game.Height * 0.5f, 0, 1)
+			ScreenMatrix = Mat4x4.CreateOrthographic(ScreenWidth, ScreenHeight * 0.5f, 0, 1)
 				* Mat4x4.CreateScale(.(1, -1, 1))
 				* Mat4x4.CreateTranslation(.(-1, 1, 0));
 		}
 
-		public abstract void Init();
 		public abstract bool Closed();			// Returns whether the game window has been closed
 
 		//Rendering

src/PlatformLayer/SDL2/SDL2PlatformLayer.bf

@@ -23,15 +23,16 @@ namespace Strawberry.SDL2
 		private SDL.SDL_GLContext glContext;
 		private uint glProgram;
 
-		public override void Init()
+		public this(String title, int screenWidth, int screenHeight, int windowScale)
+			: base(title, screenWidth, screenHeight, windowScale)
 		{
 			SDL.Version version;
 			SDL.GetVersion(out version);
-			Calc.Log("Init SDL Version {0}.{1}.{2}", version.major, version.minor, version.patch);
+			Calc.Log("SDL Version {0}.{1}.{2}", version.major, version.minor, version.patch);
 
 			{
 				SDL.InitFlag init = .Video | .Events | .Audio | .Timer;
-				if (Game.GamepadLimit > 0)
+				if (Input.GamepadLimit > 0)
 					init |= .GameController;
 	
 				if (SDL.Init(init) != 0)
@@ -48,8 +49,8 @@ namespace Strawberry.SDL2
 
 			//Graphics
 			{
-				screenRect = SDL.Rect(0, 0, (int32)(Game.Width * Game.WindowScale), (int32)(Game.Height * Game.WindowScale));
+				screenRect = SDL.Rect(0, 0, (int32)(ScreenWidth * WindowScale), (int32)(ScreenHeight * WindowScale));
-				window = SDL.CreateWindow(Game.Title, .Centered, .Centered, screenRect.w, screenRect.h, .Shown | .OpenGL);
+				window = SDL.CreateWindow(Title, .Centered, .Centered, screenRect.w, screenRect.h, .Shown | .OpenGL);
 				renderer = SDL.CreateRenderer(window, -1, .Accelerated);
 				screen = SDL.GetWindowSurface(window);
 				SDLImage.Init(.PNG | .JPG);
@@ -125,7 +126,7 @@ namespace Strawberry.SDL2
 			//Input
 			{
 				keyboard = SDL.GetKeyboardState(null);
-				gamepads = new SDL.SDL_GameController*[Game.GamepadLimit];
+				gamepads = new SDL.SDL_GameController*[Input.GamepadLimit];
 				for (let i < gamepads.Count)
 					gamepads[i] = SDL.GameControllerOpen((int32)i);
 			}

src/Static/Engine.bf

@@ -0,0 +1,41 @@
+using System;
+namespace Strawberry
+{
+	static public class Engine
+	{
+		static public void Run(Module module)
+		{
+			Startup();
+
+			Module current = module;
+			while (true)
+			{
+				let newModule = current.Run();
+
+				if (newModule != null)
+				{
+					delete current;
+					current = newModule;
+				}
+				else
+				{
+					delete current;
+					break;
+				}
+			}
+
+			Shutdown();
+		}
+
+		static private void Startup()
+		{
+			Input.[Friend]Startup();
+			Tracker.[Friend]BuildAssignmentLists();
+		}
+
+		static private void Shutdown()
+		{
+			Input.[Friend]Shutdown();
+		}
+	}
+}