Gamepad input started

src/Game.bf

@@ -25,12 +25,12 @@ namespace Strawberry
 		private bool updating;
 
 		public SDL.Renderer* Renderer { get; private set; }
-		public bool* KeyboardState { get; private set; }
-		public bool* PreviousKeyboardState { get; private set; }
 
 		private SDL.Rect screenRect;
 		private SDL.Window* window;
 		private SDL.Surface* screen;
+		private bool* keyboardState;
+		private SDL.SDL_GameController* gamepad;
 		private int32 updateCounter;
 
 		public this(String windowTitle, int32 width, int32 height)
@@ -44,6 +44,31 @@ namespace Strawberry
 			Height = height;
 
 			screenRect = SDL.Rect(0, 0, width, height);
+
+			String exePath = scope .();
+			Environment.GetExecutableFilePath(exePath);
+			String exeDir = scope .();
+			Path.GetDirectoryPath(exePath, exeDir);
+			Directory.SetCurrentDirectory(exeDir);
+
+			SDL.Init(.Video | .Events | .Audio | .GameController);
+			SDL.EventState(.JoyAxisMotion, .Disable);
+			SDL.EventState(.JoyBallMotion, .Disable);
+			SDL.EventState(.JoyHatMotion, .Disable);
+			SDL.EventState(.JoyButtonDown, .Disable);
+			SDL.EventState(.JoyButtonUp, .Disable);
+			SDL.EventState(.JoyDeviceAdded, .Disable);
+			SDL.EventState(.JoyDeviceRemoved, .Disable);
+
+			window = SDL.CreateWindow(Title, .Centered, .Centered, screenRect.w, screenRect.h, .Shown);
+			Renderer = SDL.CreateRenderer(window, -1, .Accelerated);
+			screen = SDL.GetWindowSurface(window);
+			SDLImage.Init(.PNG | .JPG);
+			SDLMixer.OpenAudio(44100, SDLMixer.MIX_DEFAULT_FORMAT, 2, 4096);
+
+			SDLTTF.Init();
+
+			gamepad = SDL.GameControllerOpen(0);
 		}
 
 		public ~this()
@@ -83,8 +108,8 @@ namespace Strawberry
 				}
 				else
 				{
-					PreviousKeyboardState = KeyboardState;
-					KeyboardState = SDL.GetKeyboardState(null);
+					keyboardState = SDL.GetKeyboardState(null);
+					SDL.GameControllerUpdate();
 
 					addTicks = Math.Min(addTicks, 20); // Limit catchup
 					if (addTicks > 0)
@@ -104,32 +129,6 @@ namespace Strawberry
 			}
 		}
 
-		public virtual void Init()
-		{
-			String exePath = scope .();
-			Environment.GetExecutableFilePath(exePath);
-			String exeDir = scope .();
-			Path.GetDirectoryPath(exePath, exeDir);
-			Directory.SetCurrentDirectory(exeDir);
-
-			SDL.Init(.Video | .Events | .Audio);
-			SDL.EventState(.JoyAxisMotion, .Disable);
-			SDL.EventState(.JoyBallMotion, .Disable);
-			SDL.EventState(.JoyHatMotion, .Disable);
-			SDL.EventState(.JoyButtonDown, .Disable);
-			SDL.EventState(.JoyButtonUp, .Disable);
-			SDL.EventState(.JoyDeviceAdded, .Disable);
-			SDL.EventState(.JoyDeviceRemoved, .Disable);
-
-			window = SDL.CreateWindow(Title, .Centered, .Centered, screenRect.w, screenRect.h, .Shown);
-			Renderer = SDL.CreateRenderer(window, -1, .Accelerated);
-			screen = SDL.GetWindowSurface(window);
-			SDLImage.Init(.PNG | .JPG);
-			SDLMixer.OpenAudio(44100, SDLMixer.MIX_DEFAULT_FORMAT, 2, 4096);
-
-			SDLTTF.Init();
-		}
-
 		public virtual void Update()
 		{
 			//Input
@@ -156,14 +155,14 @@ namespace Strawberry
 		{
 			SDL.SetRenderDrawColor(Renderer, 0, 0, 0, 255);
 			SDL.RenderClear(Renderer);
-			if (Scene != null)
-				Scene.Draw();
+			Draw();
 			SDL.RenderPresent(Renderer);
 		}
 
 		public virtual void Draw()
 		{
-			
+			if (Scene != null)
+				Scene.Draw();
 		}
 
 		public Scene Scene
@@ -180,5 +179,35 @@ namespace Strawberry
 				switchToScene = value;
 			}
 		}
+
+		// Input
+
+		public bool KeyCheck(SDL.Scancode key)
+		{
+			if (keyboardState == null)
+				return false;
+			return keyboardState[(int)key];
+		}
+
+		public bool GamepadButtonCheck(SDL.SDL_GameControllerButton button)
+		{
+			if (gamepad == null)
+				return false;
+			return SDL.GameControllerGetButton(gamepad, button) == 1;
+		}
+
+		public float GamepadAxisCheck(SDL.SDL_GameControllerAxis axis)
+		{
+			if (gamepad == null)
+				return 0;
+
+			let val = SDL.GameControllerGetAxis(gamepad, axis);
+			if (val == 0)
+				return 0;
+			else if (val > 0)
+				return val / 32767f;
+			else
+				return val / 32768f;
+		}
 	}
 }

src/Input/Input.bf

@@ -1,24 +0,0 @@
-using SDL2;
-
-namespace Strawberry
-{
-	static public class Input
-	{
-		static public bool KeyCheck(SDL.Scancode key)
-		{
-			if (Game.KeyboardState == null)
-				return false;
-			return Game.KeyboardState[(int)key];
-		}
-
-		static public bool KeyPressed(SDL.Scancode key)
-		{
-			return KeyCheck(key) && (Game.PreviousKeyboardState == null || !Game.PreviousKeyboardState[(int)key]);
-		}
-
-		static public bool KeyReleased(SDL.Scancode key)
-		{
-			return (Game.PreviousKeyboardState != null && Game.PreviousKeyboardState[(int)key]) && !KeyCheck(key);
-		}
-	}
-}

src/Input/VirtualAxis.bf

@@ -5,8 +5,6 @@ namespace Strawberry
 {
 	public class VirtualAxis : VirtualInput
 	{
-		public enum OverlapBehaviors { TakeNewer, TakeOlder, CancelOut }
-
 		public float Value { get; private set; }
 		public int Valuei { get; private set; }
 		public bool Pressed { get; private set; }
@@ -141,9 +139,9 @@ namespace Strawberry
 
 			public override void Update()
 			{
-				if (Input.KeyCheck(PositiveKeycode))
+				if (Game.KeyCheck(PositiveKeycode))
 				{
-				    if (Input.KeyCheck(NegativeKeycode))
+				    if (Game.KeyCheck(NegativeKeycode))
 				    {
 				        switch (OverlapBehavior)
 				        {
@@ -170,7 +168,7 @@ namespace Strawberry
 				        value = 1;
 				    }
 				}
-				else if (Input.KeyCheck(NegativeKeycode))
+				else if (Game.KeyCheck(NegativeKeycode))
 				{
 				    turned = false;
 				    value = -1;

src/Input/VirtualButton.bf

@@ -1,6 +1,7 @@
 using System.Collections;
 using System;
 using System.Diagnostics;
+using SDL2;
 
 namespace Strawberry
 {
@@ -84,12 +85,18 @@ namespace Strawberry
 
 		// Setup Calls
 
-		public VirtualButton Key(SDL2.SDL.Scancode keycode)
+		public VirtualButton Key(SDL.Scancode keycode)
 		{
 			nodes.Add(new KeyboardKey(keycode));
 			return this;
 		}
 
+		public VirtualButton Button(SDL.SDL_GameControllerButton button)
+		{
+			nodes.Add(new GamepadButton(button));
+			return this;
+		}
+
 		public VirtualButton PressBuffer(float time)
 		{
 			pressBuffer = time;
@@ -118,9 +125,9 @@ namespace Strawberry
 
 		private class KeyboardKey : Node
  		{
-			public SDL2.SDL.Scancode Keycode;
+			public SDL.Scancode Keycode;
 
-			public this(SDL2.SDL.Scancode keycode)
+			public this(SDL.Scancode keycode)
 			{
 				Keycode = keycode;
 			}
@@ -129,7 +136,50 @@ namespace Strawberry
 			{
 				get
 				{
-					 return Input.KeyCheck(Keycode);
+					 return Game.KeyCheck(Keycode);
+				}
+			}
+		}
+
+		private class GamepadButton : Node
+		{
+			public SDL.SDL_GameControllerButton Button;
+
+			public this(SDL.SDL_GameControllerButton button)
+			{
+				Button = button;
+			}
+
+			override public bool Check
+			{
+				get
+				{
+					 return Game.GamepadButtonCheck(Button);
+				}
+			}
+		}
+
+		private class GamepadAxis : Node
+		{
+			public SDL.SDL_GameControllerAxis Axis;
+			public float Threshold;
+			public ThresholdConditions Condition;
+
+			public this(SDL.SDL_GameControllerAxis axis, float threshold, ThresholdConditions condition = .GreaterThan)
+			{
+				Axis = axis;
+				Threshold = threshold;
+				Condition = condition;
+			}
+
+			override public bool Check
+			{
+				get
+				{
+					if (Condition == .GreaterThan)
+					 	return Game.GamepadAxisCheck(Axis) >= Threshold;
+					else
+						return Game.GamepadAxisCheck(Axis) <= Threshold;
 				}
 			}
 		}

src/Input/VirtualInput.bf

@@ -2,6 +2,9 @@ namespace Strawberry
 {
 	public abstract class VirtualInput
 	{
+		public enum OverlapBehaviors { TakeNewer, TakeOlder, CancelOut }
+		public enum ThresholdConditions { GreaterThan, LessThan }
+
 		public this()
 		{
 			Game.VirtualInputs.Add(this);