Added basic mouse handler

src/game/Main.java

@@ -12,8 +12,10 @@ import org.lwjgl.opengl.GL11;
 
 import game.graphics.Shader;
 import game.input.Input;
+import game.input.Mouse;
 import game.level.Level;
 import game.math.Matrix4f;
+import game.menus.*;
 
 public class Main implements Runnable {
 
@@ -27,7 +29,8 @@ public class Main implements Runnable {
 
 
 	//Must be explicitly declared to avoid being garbage collected
-	private Input input = new Input();
+	private Input input;
+	private Mouse mouse;
 
 	public void start() {
 		running = true;
@@ -51,9 +54,13 @@ public class Main implements Runnable {
 			return;
 		}
 
+		mouse = new Mouse(gameWindow);
+		input = new Input();
+
 		GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
 		glfwSetWindowPos(gameWindow, (vidmode.width() - width) / 2, (vidmode.height() - height) / 2);
 		glfwSetKeyCallback(gameWindow, input);
+		glfwSetCursorPosCallback(gameWindow, mouse);
 		glfwMakeContextCurrent(gameWindow);
 		glfwShowWindow(gameWindow);
 		GL.createCapabilities();
@@ -88,6 +95,7 @@ public class Main implements Runnable {
 		while (running) {
 			switch (gameState) {
 			case MAIN_MENU:
+				// TODO: Make a main menu
 				gameState = State.IN_GAME;
 				break;
 			case IN_GAME:
@@ -118,6 +126,7 @@ public class Main implements Runnable {
 				}
 				break;
 			case PAUSED:
+				// TODO: Make a pause menu
 				System.out.println("paused it");
 				gameState = State.IN_GAME;
 				break;

src/game/input/Mouse.java

@@ -0,0 +1,33 @@
+package game.input;
+
+import static org.lwjgl.glfw.GLFW.*;
+
+import org.lwjgl.glfw.GLFWCursorPosCallback;
+
+public class Mouse extends GLFWCursorPosCallback {
+
+	private double xPos, yPos;
+	private long window;
+
+	public Mouse(long window) {
+		this.window = window;
+	}
+
+	@Override
+	public void invoke(long window, double xPos, double yPos) {
+		this.xPos = xPos;
+		this.yPos = yPos;
+	}
+
+	public double getX() {
+		return xPos;
+	}
+
+	public double getY() {
+		return yPos;
+	}
+
+	public boolean leftClicked() {
+		return (1 == glfwGetMouseButton(window, GLFW_MOUSE_BUTTON_1));
+	}
+}

src/game/level/Level.java

@@ -3,7 +3,6 @@ package game.level;
 import game.entity.Entity;
 import game.entity.Player;
 import game.level.tiles.*;
-import game.level.tiles.Tile;
 
 public class Level {
 
@@ -100,6 +99,6 @@ public class Level {
 	private void playerWallCollisions() {
 		boolean collided = false;
 
-		// Check for collisions, flip flag, move player
+		// Check for collisions, flip flag, move player back
 	}
 }

src/game/menus/Button.java

@@ -0,0 +1,77 @@
+package game.menus;
+
+import java.awt.Rectangle;
+
+import org.lwjgl.opengl.GL11;
+
+import game.input.Mouse;
+
+public class Button {
+
+	int xPos, yPos, width, height;
+	String text;
+
+	boolean clickable = true;
+	boolean visible = true;
+
+	private Mouse mouse;
+	private Rectangle collisionRect;
+
+	public Button(int xPos, int yPos, int width, int height, String text, Mouse mouse) {
+		this.xPos = xPos;
+		this.yPos = yPos;
+		this.width = width;
+		this.height = height;
+		this.text = text;
+		this.mouse = mouse;
+
+		collisionRect = new Rectangle();
+		collisionRect.x = xPos;
+		collisionRect.y = yPos;
+		collisionRect.height = height;
+		collisionRect.width = width;
+
+
+	}
+
+	public void draw() {
+		if (visible) {
+			if (mouseOver() && clickable) {
+				GL11.glColor3f(.7f, .7f, .7f);
+
+				GL11.glBegin(GL11.GL_QUADS);
+				GL11.glVertex2d(xPos - 1, yPos + 1);
+				GL11.glVertex2d(xPos + width + 1, yPos + 1);
+				GL11.glVertex2d(xPos + width + 1, yPos + height - 1);
+				GL11.glVertex2d(xPos - 1, yPos + height - 1);
+				GL11.glEnd();
+
+				GL11.glBegin(GL11.GL_QUADS);
+				GL11.glVertex2d(xPos + 1, yPos - 1);
+				GL11.glVertex2d(xPos + width - 1, yPos - 1);
+				GL11.glVertex2d(xPos + width - 1, yPos + height + 1);
+				GL11.glVertex2d(xPos + 1, yPos + height + 1);
+				GL11.glEnd();
+			}
+		}
+	}
+
+	public boolean clicked() {
+		return collisionRect.contains(mouse.getX(), mouse.getY()) && mouse.leftClicked();
+
+	}
+
+	public boolean mouseOver() {
+		return collisionRect.contains(mouse.getX(), mouse.getY());
+	}
+
+	public void setClickable(boolean clickable) {
+		this.clickable = clickable;
+	}
+
+	public void setVisible(boolean visible) {
+		this.visible = visible;
+	}
+
+
+}