started adding bone stuff

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/Mat4f.java

@@ -1,8 +1,12 @@
 package com.danitheskunk.skunkworks;
 
+import org.lwjgl.assimp.AIMatrix4x4;
+
 public final class Mat4f {
 	private final double[] data;
 
+	public static Mat4f IDENTITY = new Mat4f();
+
 	public Mat4f() {
 		data = new double[16];
 		set(0, 0, 1.0);
@@ -11,6 +15,32 @@ public final class Mat4f {
 		set(3, 3, 1.0);
 	}
 
+	public static Mat4f fromAiMat(AIMatrix4x4 aiMat) {
+		var mat = new Mat4f();
+
+		mat.set(0, 0, aiMat.a1());
+		mat.set(1, 0, aiMat.a2());
+		mat.set(2, 0, aiMat.a3());
+		mat.set(3, 0, aiMat.a4());
+
+		mat.set(0, 1, aiMat.b1());
+		mat.set(1, 1, aiMat.b2());
+		mat.set(2, 1, aiMat.b3());
+		mat.set(3, 1, aiMat.b4());
+
+		mat.set(0, 2, aiMat.c1());
+		mat.set(1, 2, aiMat.c2());
+		mat.set(2, 2, aiMat.c3());
+		mat.set(3, 2, aiMat.c4());
+
+		mat.set(0, 3, aiMat.d1());
+		mat.set(1, 3, aiMat.d2());
+		mat.set(2, 3, aiMat.d3());
+		mat.set(3, 3, aiMat.d4());
+
+		return mat;
+	}
+
 	public static Mat4f perspective(
 		double fovy, double aspect, double zNear, double zFar
 	) {

com/danitheskunk/skunkworks/Test.java

@@ -15,14 +15,6 @@ public class Test extends BaseGame {
 	public Test() {
 		super(new Vec2i(40 * 12, 22 * 12), "Skunkworks");
 
-		var path = "C:\\Program Files (x86)" +
-			"\\Steam\\steamapps\\common\\Unreal " +
-			"Tournament\\System\\UnrealTournament.ini";
-
-
-		var data = engine.loadDataWatched(path);
-		data.onReload(() -> System.out.println(data.get("URL", "Host")));
-
 		var fontThin = window.loadFontTileset("fonts\\thin-6x12.png");
 		var fontThin2 = window.loadFontTileset("fonts\\thin-12x12.png");
 		term = new Terminal(new Vec2i(40, 22), fontThin2, fontThin);

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/BasePipeline.java

@@ -0,0 +1,5 @@
+package com.danitheskunk.skunkworks.backends.gl;
+
+public class BasePipeline {
+
+}

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

@@ -0,0 +1,69 @@
+package com.danitheskunk.skunkworks.backends.gl;
+
+import com.danitheskunk.skunkworks.Vec2i;
+
+import static org.lwjgl.opengl.GL11.*;
+import static org.lwjgl.opengl.GL30.*;
+import static org.lwjgl.opengl.GL32.glFramebufferTexture;
+
+public class Framebuffer {
+	private final int framebuffer;
+	private final int framebufferTex;
+
+	public Framebuffer(Vec2i size) {
+		framebuffer = glGenFramebuffers();
+		glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
+		framebufferTex = glGenTextures();
+		glBindTexture(GL_TEXTURE_2D, framebufferTex);
+		glTexImage2D(GL_TEXTURE_2D,
+			0,
+			GL_RGBA,
+			size.getX(),
+			size.getY(),
+			0,
+			GL_RGBA,
+			GL_UNSIGNED_BYTE,
+			0
+		);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+		glFramebufferTexture(GL_FRAMEBUFFER,
+			GL_COLOR_ATTACHMENT0,
+			framebufferTex,
+			0
+		);
+
+		int framebufferDepthTex = glGenTextures();
+		glBindTexture(GL_TEXTURE_2D, framebufferDepthTex);
+		glTexImage2D(GL_TEXTURE_2D,
+			0,
+			GL_DEPTH_COMPONENT,
+			size.getX(),
+			size.getY(),
+			0,
+			GL_DEPTH_COMPONENT,
+			GL_UNSIGNED_BYTE,
+			0
+		);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+		glFramebufferTexture(GL_FRAMEBUFFER,
+			GL_DEPTH_ATTACHMENT,
+			framebufferDepthTex,
+			0
+		);
+	}
+
+	public void bind() {
+		glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
+	}
+
+	public void bindTexture() {
+		glBindTexture(GL_TEXTURE_2D, framebufferTex);
+	}
+
+	public static void unbind() {
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+
+	}
+}

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;
+		}
+	}
+}

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

@@ -98,8 +98,7 @@ public class Window extends BaseWindow {
 			out_texCoord = texCoord;
 		}
 		""";
-	private final int framebuffer;
+	private final Framebuffer framebuffer;
-	private final int framebufferTex;
 	private final Program program;
 	private final Program program3D;
 	private final Program programScaler;
@@ -140,7 +139,6 @@ public class Window extends BaseWindow {
 		GL.createCapabilities();
 		glMatrixMode(GL_PROJECTION);
 		glLoadIdentity();
-		//glOrtho(0.0f, size.getX(), size.getY(), 0.0f, 0.0f, 1.0f);
 		glEnable(GL_COLOR);
 		glEnable(GL_TEXTURE_2D);
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
@@ -150,51 +148,7 @@ public class Window extends BaseWindow {
 		glfwSetWindowSizeCallback(window, this::windowSizeCallback);
 		glfwSetMouseButtonCallback(window, this::mouseButtonCallback);
 
-
+		framebuffer = new Framebuffer(size);
-		framebuffer = glGenFramebuffers();
-		glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
-		framebufferTex = glGenTextures();
-		glBindTexture(GL_TEXTURE_2D, framebufferTex);
-		glTexImage2D(GL_TEXTURE_2D,
-			0,
-			GL_RGBA,
-			size.getX(),
-			size.getY(),
-			0,
-			GL_RGBA,
-			GL_UNSIGNED_BYTE,
-			0
-		);
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-		glFramebufferTexture(GL_FRAMEBUFFER,
-			GL_COLOR_ATTACHMENT0,
-			framebufferTex,
-			0
-		);
-
-		int framebufferDepthTex = glGenTextures();
-		glBindTexture(GL_TEXTURE_2D, framebufferDepthTex);
-		glTexImage2D(GL_TEXTURE_2D,
-			0,
-			GL_DEPTH_COMPONENT,
-			size.getX(),
-			size.getY(),
-			0,
-			GL_DEPTH_COMPONENT,
-			GL_UNSIGNED_BYTE,
-			0
-		);
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-		glFramebufferTexture(GL_FRAMEBUFFER,
-			GL_DEPTH_ATTACHMENT,
-			framebufferDepthTex,
-			0
-		);
-
-		glDrawBuffers(GL_COLOR_ATTACHMENT0);
-
 		textureAtlas = new TextureAtlas();
 		program = new Program(vertexSource, fragmentSource);
 		program3D = new Program(vertexSource3D, fragmentSource3D);
@@ -226,9 +180,13 @@ public class Window extends BaseWindow {
 		System.out.println(GL11.glGetInteger(GL_MAX_TEXTURE_SIZE));
 	}
 
+	@Override
+	public BaseGamepad getGamepad(int id) {
+		return new Gamepad(id);
+	}
+
 	@Override
 	public Vec2i getMousePos() {
-		//todo: scale mouse to stretchMode
 		double[] x = {0.0};
 		double[] y = {0.0};
 		glfwGetCursorPos(window, x, y);
@@ -342,7 +300,7 @@ public class Window extends BaseWindow {
 	public IRenderContext renderStart() {
 		program.use();
 		textureAtlas.bind();
-		glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
+		framebuffer.bind();
 		glViewport(0, 0, size.getX(), size.getY());
 		textureAtlas.update();
 		glClearColor(0.f, 0.f, 0.f, 0.0f);
@@ -356,7 +314,7 @@ public class Window extends BaseWindow {
 	public IRenderContext3D renderStart3D() {
 		program3D.use();
 		textureAtlas.bind();
-		glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
+		framebuffer.bind();
 		glViewport(0, 0, size.getX(), size.getY());
 		textureAtlas.update();
 		glClearColor(0.f, 0.f, 0.f, 0.0f);
@@ -376,14 +334,14 @@ public class Window extends BaseWindow {
 		//glEnd();
 
 
-		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+		Framebuffer.unbind();
 		glViewport(0, 0, windowSize.getX(), windowSize.getY());
 
 		programScaler.use();
 		glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
-		glBindTexture(GL_TEXTURE_2D, framebufferTex);
+		framebuffer.bindTexture();
 		glProgramUniform2f(programScaler.getProgram(),
 			programScaler.getUniformLocation("windowSize"),
 			windowSize.getX(),

com/danitheskunk/skunkworks/gfx/threedee/Bone.java

@@ -0,0 +1,47 @@
+package com.danitheskunk.skunkworks.gfx.threedee;
+
+import com.danitheskunk.skunkworks.Mat4f;
+import org.lwjgl.assimp.AIBone;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Bone {
+	private String name;
+	private List<VertexWeight> vertexWeights;
+	private Mat4f offsetMatrix;
+
+	public Bone() {
+		vertexWeights = new ArrayList<>();
+		offsetMatrix = Mat4f.IDENTITY;
+	}
+
+	public static Bone fromAIBone(AIBone aiBone) {
+		var bone = new Bone();
+		var weightBuffer = aiBone.mWeights();
+
+		bone.name = aiBone.mName().dataString();
+
+		while(weightBuffer.hasRemaining()) {
+			var weight = VertexWeight.fromAiWeight(weightBuffer.get());
+			bone.vertexWeights.add(weight);
+		}
+
+		bone.offsetMatrix = Mat4f.fromAiMat(aiBone.mOffsetMatrix());
+
+		var node = aiBone.mNode();
+		if(node.address() != 0) {
+			System.out.println(node.mName().dataString());
+		}
+
+		return bone;
+	}
+
+	public VertexWeight getVertexWeight(int i) {
+		return vertexWeights.get(i);
+	}
+
+	public int getVertexWeightCount() {
+		return vertexWeights.size();
+	}
+}

com/danitheskunk/skunkworks/gfx/threedee/Mesh.java

@@ -4,6 +4,7 @@ import com.danitheskunk.skunkworks.Vec2f;
 import com.danitheskunk.skunkworks.Vec3f;
 import com.danitheskunk.skunkworks.Vec3i;
 import com.danitheskunk.skunkworks.gfx.ITexture;
+import org.lwjgl.assimp.AIBone;
 import org.lwjgl.assimp.AIMesh;
 
 import java.util.ArrayList;
@@ -27,6 +28,7 @@ public class Mesh {
 		var vertexBuffer = aiMesh.mVertices();
 		var faceBuffer = aiMesh.mFaces();
 		var texCoordsBuffer = aiMesh.mTextureCoords(0);
+		var boneBuffer = aiMesh.mBones();
 
 		while(vertexBuffer.remaining() > 0) {
 			var vert = vertexBuffer.get();
@@ -51,6 +53,13 @@ public class Mesh {
 			mesh.addUV(new Vec2f(x, 1.0 - y));
 		}
 
+		while(boneBuffer.remaining() > 0) {
+			var aiBone = AIBone.create(boneBuffer.get());
+			var bone = Bone.fromAIBone(aiBone);
+			//System.out.printf("bone: %s\n", bone.mName().dataString());
+		}
+
+
 		return mesh;
 	}
 

com/danitheskunk/skunkworks/gfx/threedee/Model.java

@@ -58,6 +58,9 @@ public class Model {
 			System.out.printf("tex %dx%d\n", img.getWidth(), img.getHeight());
 		}
 
+		var node = ai.mRootNode();
+		walkNodes(node);
+
 
 		var numMeshes = ai.mNumMeshes();
 		var meshPB = ai.mMeshes();
@@ -75,6 +78,16 @@ public class Model {
 			faces += aiMesh.mNumFaces();
 		}
 
+
+
+		/*
+		var animationBuffer = ai.mAnimations();
+		while(animationBuffer.hasRemaining()) {
+			var aiAnim = AIAnimation.create(animationBuffer.get());
+			System.out.printf("anim: %s\n", aiAnim.mName().dataString());
+		}
+		 */
+
 		//window.setDebug(true);
 
 		System.out.printf("numMeshes: %d, faces: %d, textures: %d\n",
@@ -84,6 +97,18 @@ public class Model {
 		);
 	}
 
+	private void walkNodes(AINode node) {
+		System.out.println(node.mName().dataString());
+		var childBuffer = node.mChildren();
+		if(childBuffer == null) {
+			return;
+		}
+		while(childBuffer.hasRemaining()) {
+			var child = AINode.create(childBuffer.get());
+			walkNodes(child);
+		}
+	}
+
 	public int getMeshCount() {
 		return meshes.length;
 	}

com/danitheskunk/skunkworks/gfx/threedee/VertexWeight.java

@@ -0,0 +1,25 @@
+package com.danitheskunk.skunkworks.gfx.threedee;
+
+import org.lwjgl.assimp.AIVertexWeight;
+
+public class VertexWeight {
+	private final int index;
+	private final float weight;
+
+	public VertexWeight(int index, float weight) {
+		this.index = index;
+		this.weight = weight;
+	}
+
+	public static VertexWeight fromAiWeight(AIVertexWeight aiWeight) {
+		return new VertexWeight(aiWeight.mVertexId(), aiWeight.mWeight());
+	}
+
+	public int getIndex() {
+		return index;
+	}
+
+	public float getWeight() {
+		return weight;
+	}
+}