lagde en loading screen

src/main/java/inf112/fiasko/roborally/game_wrapper/LoadingScreen.java

@@ -0,0 +1,75 @@
+package inf112.fiasko.roborally.game_wrapper;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Screen;
+import com.badlogic.gdx.graphics.GL20;
+import com.badlogic.gdx.graphics.OrthographicCamera;
+import com.badlogic.gdx.utils.viewport.ExtendViewport;
+import com.badlogic.gdx.utils.viewport.Viewport;
+
+public class LoadingScreen implements Screen {
+    private final RoboRallyWrapper roboRallyWrapper;
+
+    private final OrthographicCamera camera;
+    private final Viewport viewport;
+
+    private long startTime;
+    private final int applicationWidth = 600;
+    private final int applicationHeight = 800;
+
+    public LoadingScreen(final RoboRallyWrapper roboRallyWrapper) {
+        this.roboRallyWrapper = roboRallyWrapper;
+        camera = new OrthographicCamera();
+        camera.setToOrtho(false, applicationWidth, applicationHeight);
+        viewport = new ExtendViewport(applicationWidth, applicationHeight, camera);
+        startTime = System.currentTimeMillis();
+    }
+
+    @Override
+    public void show() {
+        //Nothing to do
+    }
+
+    @Override
+    public void render(float delta) {
+        Gdx.gl.glClearColor(0f, 0f, 0f, 0f);
+        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
+        camera.update();
+        roboRallyWrapper.batch.setProjectionMatrix(camera.combined);
+
+        roboRallyWrapper.batch.begin();
+        roboRallyWrapper.font.draw(roboRallyWrapper.batch, "Loading...", applicationWidth/2f-380/2f,
+                applicationHeight/2f,380, 1, true);
+        roboRallyWrapper.batch.end();
+        long time = System.currentTimeMillis();
+        if (time-startTime>10000){
+            roboRallyWrapper.setScreen(roboRallyWrapper.screenManager.getMainMenuScreen(this.roboRallyWrapper));
+            dispose();
+        }
+    }
+
+    @Override
+    public void resize(int width, int height) {
+        viewport.update(width, height);
+    }
+
+    @Override
+    public void pause() {
+        //Nothing to do
+    }
+
+    @Override
+    public void resume() {
+        //Nothing to do
+    }
+
+    @Override
+    public void hide() {
+        //Nothing to do
+    }
+
+    @Override
+    public void dispose() {
+        //Nothing to do
+    }
+}