Fixed NPE on Alt-F4 and partially implemented fullscreen key

src/main/java/com/github/halotroop/litecraft/Litecraft.java

@@ -78,12 +78,16 @@ public class Litecraft extends Game
 	}
 
 	private void setupKeybinds()
-	{ Input.addPressCallback(Keybind.EXIT, this::exit); }
+	{
+		Input.addPressCallback(Keybind.EXIT, this::exit);
+		Input.addPressCallback(Keybind.FULLSCREEN, Window::fullscreen);
+	}
 
 	@Override
 	public void exit()
 	{
-		this.world.unloadAllChunks();
+		if (this.world != null)
+			this.world.unloadAllChunks();
 		ginger3D.cleanup(); 
 		System.exit(0);
 	}
@@ -120,9 +124,9 @@ public class Litecraft extends Game
 	@Override
 	public void tick()
 	{
+		tps++;
 		Input.invokeAllListeners();
 		data.player.updateMovement();
-		tps++;
 		if (Window.isKeyDown(GLFW.GLFW_KEY_TAB))
 			ginger3D.gingerRegister.wireframe = !ginger3D.gingerRegister.wireframe;
 	}

src/main/java/com/github/halotroop/litecraft/save/LitecraftSave.java

@@ -96,7 +96,7 @@ public final class LitecraftSave
 				e.printStackTrace();
 			}
 
-			World world = new World(seed, 2, dim, this); // create new world with seed read from file or 0, if it could not be read
+			World world = new World(seed, 10, dim, this); // create new world with seed read from file or 0, if it could not be read
 			world.spawnPlayer(); // spawn player in world
 			return world;
 		}

src/main/java/com/github/halotroop/litecraft/world/World.java

@@ -137,11 +137,11 @@ public class World implements BlockAccess, WorldGenConstants
 	public void unloadAllChunks()
 	{
 		LongList chunkPositions = new LongArrayList();
-
-		this.chunks.forEach((pos, chunk) -> { // for every chunk in memory
-			chunkPositions.add((long) pos); // add pos to chunk positions list for removal later
-			this.save.saveChunk(chunk); // save chunk
-		});
+		if (this.chunks != null)
+			this.chunks.forEach((pos, chunk) -> { // for every chunk in memory
+				chunkPositions.add((long) pos); // add pos to chunk positions list for removal later
+				this.save.saveChunk(chunk); // save chunk
+			});
 
 		chunkPositions.forEach((LongConsumer) (pos -> this.chunks.remove(pos))); // remove all chunks
 	}

src/main/java/com/github/hydos/ginger/engine/io/Window.java

@@ -11,6 +11,9 @@ import com.github.hydos.ginger.engine.render.texture.Image;
 
 public class Window
 {
+	public static boolean isFullscreen()
+	{ return fullscreen; }
+
 	public static int width;
 	public static int height;
 	private static String title;
@@ -19,7 +22,7 @@ public class Window
 	private static boolean[] mouseButtons = new boolean[GLFW.GLFW_MOUSE_BUTTON_LAST];
 	private static GLFWImage.Buffer iconBuffer = null;
 	private static double fpsCap, time, processedTime = 0;
-	private static boolean isFullscreen = false;
+	private static boolean fullscreen = false;
 	public static double dy = 0;
 	public static double dx = 0;
 	static double oldX = 0;
@@ -46,7 +49,7 @@ public class Window
 		GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_FORWARD_COMPAT, GL11.GL_TRUE);
 		GLFW.glfwWindowHint(GLFW.GLFW_RESIZABLE, GLFW.GLFW_TRUE);
 		GLFWVidMode vidmode = GLFW.glfwGetVideoMode(GLFW.glfwGetPrimaryMonitor());
-		window = GLFW.glfwCreateWindow(actuallWidth, actuallHeight, title, (isFullscreen) ? GLFW.glfwGetPrimaryMonitor() : 0, window);
+		window = GLFW.glfwCreateWindow(actuallWidth, actuallHeight, title, (fullscreen) ? GLFW.glfwGetPrimaryMonitor() : 0, window);
 		if (window == 0)
 		{
 			System.err.println("Error: Couldnt initilize window");
@@ -188,6 +191,9 @@ public class Window
 		oldY = newY;
 	}
 
-	public void setFullscreen(boolean t)
-	{ Window.isFullscreen = t; }
+	public static void fullscreen()
+	{
+		Window.fullscreen = !Window.isFullscreen();
+		
+	}
 }

src/main/java/tk/valoeghese/gateways/client/io/Keybind.java

@@ -16,6 +16,7 @@ public final class Keybind
 	public static final Keybind SELECT_1 = new Keybind(GLFW.GLFW_KEY_2, false);
 	public static final Keybind SELECT_2 = new Keybind(GLFW.GLFW_KEY_3, false);
 	public static final Keybind EXIT = new Keybind(GLFW.GLFW_KEY_ESCAPE, false);
+	public static final Keybind FULLSCREEN = new Keybind(GLFW.GLFW_KEY_F11, false);
 	public int value;
 	public boolean mouse;