feat: Welcome box added

Issue #14

frontend/core/src/com/game/tankwars/view/MainMenuScreen.java

@@ -5,6 +5,7 @@ import com.badlogic.gdx.Screen;
 import com.badlogic.gdx.graphics.OrthographicCamera;
 import com.badlogic.gdx.graphics.Texture;
 import com.badlogic.gdx.graphics.g2d.BitmapFont;
+import com.badlogic.gdx.graphics.g2d.GlyphLayout;
 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
 import com.badlogic.gdx.math.Vector3;
 import com.badlogic.gdx.utils.Array;
@@ -24,6 +25,7 @@ public class MainMenuScreen implements Screen {
     private final MainMenuController controller;
 
     private final Texture logo;
+    private final Texture welcomeBox;
     private final Texture background;
     private final Array<MenuButton> menuButtons;
 
@@ -38,9 +40,11 @@ public class MainMenuScreen implements Screen {
         this.controller = new MainMenuController(tankWarsGame);
 
         this.logo = new Texture("tankwars-logo.png");
+        this.welcomeBox = new Texture("main-menu-welcome-box.png");
         // TODO: Create our own pixel art background. ZyWDE4.jpg is a dummy background image
         this.background = new Texture("ZyWDE4.jpg");
 
+        // TODO: Instantiate in Controller instead ?
         this.menuButtons = new Array<>();
         this.menuButtons.add(new MenuButton(batch, font, 0, "Find Game", 0, -50 + viewport.getWorldHeight() / 6));
         this.menuButtons.add(new MenuButton(batch, font, 1, "Leaderboard", 0, -50));
@@ -72,13 +76,23 @@ public class MainMenuScreen implements Screen {
         batch.draw(logo, -logo.getWidth() * logoScaling / 2f,  viewport.getWorldHeight() / 3,
                 logo.getWidth() * logoScaling, logo.getHeight() * logoScaling);
 
+        // TODO: Clean up the font rendering code
+        String welcomeMessage = "Welcome to duty";
+        String username = "Commander";
+        GlyphLayout welcomeLayout = new GlyphLayout(font, welcomeMessage);
+        GlyphLayout usernameLayout = new GlyphLayout(font, username);
+        batch.draw(welcomeBox, -viewport.getWorldWidth() / 2, viewport.getWorldHeight() / 6);
+        font.draw(batch, welcomeMessage, -welcomeLayout.width / 2, viewport.getWorldHeight() / 6 + welcomeBox.getHeight() * 8f/10f);
+        font.draw(batch, username, -usernameLayout.width / 2, viewport.getWorldHeight() / 6 + welcomeBox.getHeight() * 8f/10f - 2 * welcomeLayout.height);
+
+
         for (MenuButton menuButton : menuButtons) {
             menuButton.draw();
         }
         batch.end();
     }
-
     private void checkInput() {
+        // TODO: Write as listener instead of polling
         if (Gdx.input.justTouched()) {
             touchPos.set(Gdx.input.getX(), Gdx.input.getY(), 0);
             viewport.unproject(touchPos);