Add menubar rendering to DiceOS

src/main/java/be/seeseemelk/diceos/DiceOS.java

@@ -5,6 +5,7 @@ import be.seeseemelk.diceos.system.OnStartup;
 import com.badlogic.gdx.ApplicationAdapter;
 import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.NinePatch;
 import com.badlogic.gdx.graphics.g2d.TextureRegion;
 import com.badlogic.gdx.utils.ScreenUtils;
 import com.badlogic.gdx.utils.viewport.ScreenViewport;
@@ -24,6 +25,7 @@ public class DiceOS extends ApplicationAdapter {
     private Texture background;
     private Texture clouds;
     private Texture border;
+    private NinePatch menubar;
     private Viewport vmViewport;
     private Viewport screenViewport;
     private int scaling = 1;
@@ -36,6 +38,7 @@ public class DiceOS extends ApplicationAdapter {
         background = new Texture("src/main/resources/background.png");
         clouds = new Texture("src/main/resources/clouds.png");
         border = new Texture("src/main/resources/border.png");
+        loadMenubar();
 
         screenViewport = new ScreenViewport();
         vmViewport = new ScreenViewport();
@@ -49,6 +52,11 @@ public class DiceOS extends ApplicationAdapter {
         log.info("DiceOS started!");
     }
 
+    private void loadMenubar() {
+        var texture = new Texture("src/main/resources/menubar.png");
+        menubar = new NinePatch(texture, 9, 9, 15, 1);
+    }
+
     @Override
     public void resize(int width, int height) {
         screenViewport.update(width, height, true);
@@ -70,6 +78,7 @@ public class DiceOS extends ApplicationAdapter {
 
         ScreenUtils.clear(Color.GREEN);
 
+        // Render background
         for (int y = 0; y < display.getHeight(); y += 8) {
             for (int x = 0; x < display.getWidth(); x += 8) {
                 display.draw(background, x, y);
@@ -77,6 +86,10 @@ public class DiceOS extends ApplicationAdapter {
         }
         display.draw(clouds, 0, 0);
 
+        // Render menubar
+        menubar.draw(display.getBatch(), 0, display.getHeight() - 16, display.getWidth(), 16);
+
+        // Render borders
         var param = new DisplayService.Parameters();
         display.draw(border, 0, 0, param);
         param.flipX = true;
@@ -86,9 +99,11 @@ public class DiceOS extends ApplicationAdapter {
         param.flipX = false;
         display.draw(border, 0, display.getHeight() - 8, param);
 
+        // Finish rendering to screen buffer
         display.getBatch().end();
         display.getScreenBuffer().end();
 
+        // Render screen buffer to actual screen
         screenViewport.apply();
         display.getBatch().setProjectionMatrix(screenViewport.getCamera().combined);
         display.getBatch().begin();