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package ch.asynk.tankontank.screens;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.Camera;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.math.Interpolation;
import com.badlogic.gdx.utils.viewport.FitViewport;
import ch.asynk.tankontank.TankOnTank;
import ch.asynk.tankontank.loading.LoadingBar;
public class LoadScreen implements Screen
{
private final TankOnTank game;
private float percent;
private float delay = 0.0f;
private float[] xPath = { 68, 164, 260, 356, 452, 404, 356, 452, 548, 596, 692};
private float[] yPath = { 148,148, 148, 148, 148, 231, 314, 314, 314, 397, 397};
private boolean ready;
private boolean assetsLoaded;
private Texture bg;
private Texture unit;
private float dx;
private float dy;
private final Camera camera;
private final SpriteBatch batch;
private final FitViewport viewport;
public LoadScreen(final TankOnTank game)
{
this.game = game;
this.batch = new SpriteBatch();
float width = Gdx.graphics.getWidth();
float height = Gdx.graphics.getHeight();
this.camera = new OrthographicCamera(width, height);
this.viewport = new FitViewport(width, height, camera);
this.ready = false;
this.assetsLoaded = false;
this.dx = ((width - 800) / 2f);
this.dy = ((height - 600) / 4f);
}
@Override
public void render(float delta)
{
if (game.manager.update()) {
delay += delta;
if (delay >= 0.6f)
assetsLoadingCompleted();
}
if (!ready) return;
percent = Interpolation.linear.apply(percent, game.manager.getProgress(), 0.1f);
int idx = (int) (percent * 10);
float fraction = ((percent * 100 ) % 10 / 10);
float x = (xPath[idx] + ((xPath[idx + 1] - xPath[idx]) * fraction));
float y = (yPath[idx] + ((yPath[idx + 1] - yPath[idx]) * fraction));
camera.update();
Gdx.gl.glClearColor(0, 0, 0, 1);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
batch.setProjectionMatrix(camera.combined);
batch.begin();
batch.draw(bg, dx, dy);
batch.draw(unit, (x + dx), (y + dy));
batch.end();
}
@Override
public void show()
{
viewport.update(Gdx.graphics.getWidth(), Gdx.graphics.getHeight(), true);
load();
game.loadAssets();
}
@Override
public void resize(int width, int height)
{
viewport.update(width, height, true);
}
@Override
public void dispose()
{
unload();
}
@Override
public void hide()
{
unload();
}
@Override
public void pause()
{
unload();
}
@Override
public void resume()
{
load();
}
private void load()
{
game.manager.load("data/unit.png", Texture.class);
game.manager.load("data/loading.png", Texture.class);
game.manager.finishLoading();
bg = game.manager.get("data/loading.png", Texture.class);
unit = game.manager.get("data/unit.png", Texture.class);
ready = true;
}
private void unload()
{
if (!ready) return;
bg.dispose();
unit.dispose();
game.manager.unload("data/loading.png");
game.manager.unload("data/unit.png");
ready = false;
}
private void assetsLoadingCompleted()
{
if (assetsLoaded) return;
assetsLoaded = true;
TankOnTank.debug("LoadScreen", "assets ready : " + (Gdx.app.getJavaHeap()/1024.0f) + "KB");
game.onLoaded();
game.setScreen(new OptionsScreen(game));
dispose();
}
}
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