Added Input & Some render code (but in a broken state)

src/bz/bronze/latte/engine/io/Input.java

@@ -1,5 +1,75 @@
 package bz.bronze.latte.engine.io;
 
-public class Input {
+import org.lwjgl.glfw.GLFW;
+import org.lwjgl.glfw.GLFWCursorPosCallback;
+import org.lwjgl.glfw.GLFWKeyCallback;
+import org.lwjgl.glfw.GLFWMouseButtonCallback;
 
-}
+public class Input {
+	private static boolean[] keys = new boolean[GLFW.GLFW_KEY_LAST];
+	private static boolean[] buttons = new boolean[GLFW.GLFW_MOUSE_BUTTON_LAST];
+	private static double mouseX, mouseY;
+	
+	private static GLFWKeyCallback keyboard;
+	private static GLFWCursorPosCallback mouseMove;
+	private static GLFWMouseButtonCallback mouseButtons;
+	
+	public Input() {
+		keyboard = new GLFWKeyCallback() {
+			public void invoke(long window, int key, int scancode, int action, int mods) {
+				keys[key] = (action != GLFW.GLFW_RELEASE);
+			}
+		};
+		
+		mouseMove = new GLFWCursorPosCallback() {
+			public void invoke(long window, double xPos, double yPos) {
+				mouseX = xPos;
+				mouseY = yPos;
+			}
+		};
+		
+		mouseButtons = new GLFWMouseButtonCallback() {
+			public void invoke(long window, int button, int action, int mods) {
+				buttons[button] = (action != GLFW.GLFW_RELEASE);
+			}
+		};
+	}
+	
+	public static boolean isKeyDown(int key) {
+		return keys[key];
+	}
+	
+	public static boolean isButtonDown(int button) {
+		return buttons[button];
+	}
+	
+	public static void destroy() {
+		keyboard.free();
+		mouseMove.free();
+		mouseButtons.free();
+		
+		GLFW.glfwWindowShouldClose(Window.window);
+		GLFW.glfwDestroyWindow(Window.window);
+		GLFW.glfwTerminate();
+	}
+
+	public static double getMouseX() {
+		return mouseX;
+	}
+
+	public static double getMouseY() {
+		return mouseY;
+	}
+
+	public GLFWKeyCallback getKeyboardCallback() {
+		return keyboard;
+	}
+
+	public GLFWCursorPosCallback getMouseMoveCallback() {
+		return mouseMove;
+	}
+
+	public GLFWMouseButtonCallback getMouseButtonsCallback() {
+		return mouseButtons;
+	}
+}

src/bz/bronze/latte/engine/io/Window.java

@@ -2,6 +2,8 @@ package bz.bronze.latte.engine.io;
 
 import org.lwjgl.glfw.GLFW;
 import org.lwjgl.glfw.GLFWVidMode;
+import org.lwjgl.opengl.GL;
+import org.lwjgl.opengl.GL11;
 
 public class Window {
 	public int width, height;
@@ -11,6 +13,16 @@ public class Window {
 	public static int frames;
 	public static long time;
 	
+	private static float backgroundR, backgroundG, backgroundB;
+	
+	private static boolean isInitialized;
+	
+	public void setBackgroundColor(float r, float g, float b) {
+		backgroundR = r;
+		backgroundG = g;
+		backgroundB = b;
+	}
+	
 	public static boolean shouldClose() {
 		if (window == 0) {
 			return false;
@@ -20,6 +32,11 @@ public class Window {
 	}
 	
 	public static void update() {
+		if (isInitialized) {
+			GL11.glClearColor(backgroundR, backgroundG, backgroundB, 1.0f);
+			GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
+		}
+		
 		GLFW.glfwPollEvents();
 		
 		frames++;
@@ -57,11 +74,18 @@ public class Window {
 		GLFW.glfwSetWindowPos(window, (videoMode.width() - width) / 2, (videoMode.height() - height) / 2);
 		GLFW.glfwMakeContextCurrent(window);
 		
+		GL.createCapabilities();
+		
+		GLFW.glfwSetKeyCallback(window, new Input().getKeyboardCallback());
+		GLFW.glfwSetCursorPosCallback(window, new Input().getMouseMoveCallback());
+		GLFW.glfwSetMouseButtonCallback(window, new Input().getMouseButtonsCallback());
+		
 		GLFW.glfwShowWindow(window);
 		GLFW.glfwSwapInterval(2);
 		
 		Window.time = System.currentTimeMillis();
 		
+		isInitialized = true;
 	}
 	
 	public Window(int width, int height, String title) {
@@ -70,4 +94,4 @@ public class Window {
 		
 		Window.title = title;
 	}
-}
+}

src/bz/bronze/latte/main/Game.java

@@ -1,10 +1,15 @@
 package bz.bronze.latte.main;
 
+import org.lwjgl.glfw.GLFW;
+
+import bz.bronze.latte.engine.io.Input;
 import bz.bronze.latte.engine.io.Window;
 
 public class Game implements Runnable {
 	private void update() {
 		Window.update();
+		
+		if (Input.isButtonDown(GLFW.GLFW_MOUSE_BUTTON_LEFT)) System.out.println("X: " + Input.getMouseX() + ", Y: " + Input.getMouseY());
 	}
 	
 	private void render() {
@@ -15,6 +20,10 @@ public class Game implements Runnable {
 		while (!Window.shouldClose()) {
 			update();
 			render();
+			
+			if (Input.isKeyDown(GLFW.GLFW_KEY_ESCAPE)) return;
 		}
+					
+		Input.destroy();
 	}
-}
+}

src/bz/bronze/latte/main/Main.java

@@ -16,9 +16,11 @@ public class Main {
 		
 		game.start();
 		window.create();
+		
+		window.setBackgroundColor(1.0f, 0, 0);
 	}
 	
 	public static void main(String[] args) {
 		init();
 	}
-}
+}

src/module-info.java

@@ -1,3 +1,4 @@
 module latte {
 	requires org.lwjgl.glfw;
+	requires org.lwjgl.opengl;
 }