added Gamepad

com/danitheskunk/skunkworks/BaseGame.java

@@ -6,6 +6,7 @@ import com.danitheskunk.skunkworks.audio.nodes.Mixer;
 import com.danitheskunk.skunkworks.audio.nodes.Node;
 import com.danitheskunk.skunkworks.audio.nodes.SamplePlayer;
 import com.danitheskunk.skunkworks.audio.nodes.TTS;
+import com.danitheskunk.skunkworks.backends.gl.Gamepad;
 import com.danitheskunk.skunkworks.gfx.IRenderContext;
 import com.danitheskunk.skunkworks.gfx.ITexture;
 import com.danitheskunk.skunkworks.gfx.font.IFont;
@@ -34,6 +35,7 @@ public abstract class BaseGame {
 	protected final SamplePlayer samplePlayer;
 	protected final TTS tts;
 	protected final IWindow window;
+	protected final BaseGamepad gamepad;
 
 	/**
 	 * Create with given window size and title
@@ -52,6 +54,7 @@ public abstract class BaseGame {
 
 		engine = new Engine();
 		window = engine.openWindow(windowSize, windowTitle);
+		gamepad = window.getGamepad(0);
 		//todo: load from .jar
 		debugFont = window.loadFontTileset("fonts/ega-8x14.png");
 		rootNode = new NodeRoot();
@@ -153,6 +156,7 @@ public abstract class BaseGame {
 			currentFrameTime += delta;
 			engine.tick();
 			window.tick();
+			gamepad.tick();
 			//todo: frame rate control
 			if(currentFrameTime >= 1.0 / 60.0) {
 				rootNode.tick();

com/danitheskunk/skunkworks/BaseGamepad.java

@@ -0,0 +1,57 @@
+package com.danitheskunk.skunkworks;
+
+public abstract class BaseGamepad {
+	protected final float[] axes;
+	protected final boolean[] buttonDown;
+	protected final boolean[] buttonPressed;
+	protected final int axesCount;
+	protected final int buttonCount;
+
+	public BaseGamepad(int axesCount, int buttonCount) {
+		this.axesCount = axesCount;
+		this.buttonCount = buttonCount;
+		axes = new float[axesCount];
+		buttonDown = new boolean[buttonCount];
+		buttonPressed = new boolean[buttonCount];
+	}
+
+	public int getAxesCount() {
+		return axesCount;
+	}
+
+	public int getButtonCount() {
+		return buttonCount;
+	}
+
+	public float getAxis(int i) {
+		return axes[i];
+	}
+
+	public boolean getButtonDown(int i) {
+		return buttonDown[i];
+	}
+
+	public boolean getButtonPressed(int i) {
+		return buttonPressed[i];
+	}
+
+	public void setAxis(int i, float value) {
+		axes[i] = value;
+	}
+
+	public void setButtonDown(int i, boolean value) {
+		buttonDown[i] = value;
+	}
+
+	public void setButtonPressed(int i, boolean value) {
+		buttonPressed[i] = value;
+	}
+
+	public void clearButtonPressed() {
+		for(int i = 0; i < buttonCount; ++i) {
+			buttonPressed[i] = false;
+		}
+	}
+
+	public abstract void tick();
+}

com/danitheskunk/skunkworks/IWindow.java

@@ -1,6 +1,10 @@
 package com.danitheskunk.skunkworks;
 
-import com.danitheskunk.skunkworks.gfx.*;
+import com.danitheskunk.skunkworks.backends.gl.Gamepad;
+import com.danitheskunk.skunkworks.gfx.IRenderContext;
+import com.danitheskunk.skunkworks.gfx.ITexture;
+import com.danitheskunk.skunkworks.gfx.Image;
+import com.danitheskunk.skunkworks.gfx.NineSlice;
 import com.danitheskunk.skunkworks.gfx.font.IFont;
 import com.danitheskunk.skunkworks.gfx.threedee.IRenderContext3D;
 
@@ -9,6 +13,8 @@ import java.util.List;
 public interface IWindow {
 	Engine getEngine();
 
+	BaseGamepad getGamepad(int id);
+
 	Vec2i getMousePos();
 
 	boolean isMouseClicked(int button);

com/danitheskunk/skunkworks/TestNode.java

@@ -2,10 +2,12 @@ package com.danitheskunk.skunkworks;
 
 import com.danitheskunk.skunkworks.audio.ISample;
 import com.danitheskunk.skunkworks.nodes.NodeSprite;
+import org.lwjgl.glfw.GLFW;
 
 public class TestNode extends BaseGame {
 	private final ISample kick;
 	private final NodeSprite sprite;
+	float[] axes;
 
 	public TestNode() {
 		super(new Vec2i(1280, 720), "Skunkworks");
@@ -15,13 +17,26 @@ public class TestNode extends BaseGame {
 		sprite.setTexture(loadTexture("demoassets/test.png"));
 		sprite.setPos(new Vec2f(100, 100));
 		rootNode.add(sprite);
+		//doThing();
+
+	}
+
+	void doThing() {
 		sprite.tweenPos(new Vec2f(800, 400), 120).delay(60).then(() -> {
 			System.out.println("yay! got there! now lets go home");
-			sprite.tweenPos(new Vec2f(100, 100), 120);
+			sprite.tweenPos(new Vec2f(100, 100), 120).then(this::doThing);
 			playSample(kick);
 		});
 	}
 
+	@Override
+	protected void update(double delta) {
+		sprite.setPos(new Vec2f(640 + 640 * gamepad.getAxis(0), 360 + 360 * gamepad.getAxis(1)));
+		if(gamepad.getButtonPressed(0)) {
+			playSample(kick);
+		}
+	}
+
 	public static void main(String[] args) {
 		new TestNode().run();
 	}

com/danitheskunk/skunkworks/backends/gl/Gamepad.java

@@ -0,0 +1,31 @@
+package com.danitheskunk.skunkworks.backends.gl;
+
+import com.danitheskunk.skunkworks.BaseGamepad;
+import org.lwjgl.glfw.GLFW;
+
+public class Gamepad extends BaseGamepad {
+	private final int jid;
+	public Gamepad(int jid) {
+		super(GLFW.glfwGetJoystickAxes(jid).limit(), GLFW.glfwGetJoystickButtons(jid).limit());
+		if(!GLFW.glfwJoystickPresent(jid) || !GLFW.glfwJoystickIsGamepad(jid)) {
+			throw new RuntimeException("gamepad not found");
+		}
+		this.jid = jid;
+	}
+
+	@Override
+	public void tick() {
+		var axesBuf = GLFW.glfwGetJoystickAxes(jid);
+		var buttonBuf = GLFW.glfwGetJoystickButtons(jid);
+
+		for(int i = 0; i < axesCount; ++i) {
+			axes[i] = axesBuf.get(i);
+		}
+
+		for(int i = 0; i < buttonCount; ++i) {
+			var val = buttonBuf.get() != 0;
+			buttonPressed[i] = !buttonDown[i] && val;
+			buttonDown[i] = val;
+		}
+	}
+}