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package ch.asynk.tankontank.screens;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.Input;
import com.badlogic.gdx.InputAdapter;
import com.badlogic.gdx.InputMultiplexer;
import com.badlogic.gdx.input.GestureDetector;
import com.badlogic.gdx.input.GestureDetector.GestureAdapter;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.math.Vector2;
import ch.asynk.tankontank.TankOnTank;
import ch.asynk.tankontank.game.Ctrl;
public class GameScreen implements Screen
{
private static boolean DEBUG = false;
private static final float INPUT_DELAY = 0.1f;
private static final float ZOOM_IN_MAX = 0.3f;
private static final float ZOOM_OUT_MAX = 1f;
private static final float ZOOM_GESTURE_FACTOR = .01f;
private static final float ZOOM_SCROLL_FACTOR = .1f;
private static final int DRAGGED_Z_INDEX = 10;
private static final int DRAG_THRESHOLD = 6;
private final GameCamera cam;
private final SpriteBatch batch;
private ShapeRenderer debugShapes = null;
private final TankOnTank game;
private Ctrl ctrl;
private int dragged;
private boolean blocked;
private float inputDelay = 0f;
private Vector2 dragPos = new Vector2();
public GameScreen(final TankOnTank game)
{
DEBUG = game.config.debug;
this.game = game;
this.dragged = 0;
this.blocked = false;
this.batch = new SpriteBatch();
this.ctrl = new Ctrl(game, game.config.battle);
this.cam = new GameCamera(ctrl.map.getWidth(), ctrl.map.getHeight(), ZOOM_OUT_MAX, ZOOM_IN_MAX);
if (DEBUG) this.debugShapes = new ShapeRenderer();
Gdx.input.setInputProcessor(getMultiplexer());
}
private InputMultiplexer getMultiplexer()
{
final InputMultiplexer multiplexer = new InputMultiplexer();
multiplexer.addProcessor(new GestureDetector(new GestureAdapter() {
@Override
public boolean zoom(float initialDistance, float distance)
{
if (initialDistance > distance)
cam.zoom(ZOOM_GESTURE_FACTOR);
else
cam.zoom(-ZOOM_GESTURE_FACTOR);
ctrl.hud.resize(cam.getHudWidth(), cam.getHudHeight());
blocked = true;
inputDelay = INPUT_DELAY;
return true;
}
}));
multiplexer.addProcessor(new InputAdapter() {
@Override
public boolean touchDragged(int x, int y, int pointer)
{
dragged += 1;
cam.translate((dragPos.x - x), (dragPos.y - y));
dragPos.set(x, y);
return true;
}
@Override
public boolean touchDown(int x, int y, int pointer, int button)
{
if (blocked) return true;
if (button == Input.Buttons.LEFT) {
dragPos.set(x, y);
cam.unproject(x, y, ctrl.mapTouch);
cam.unprojectHud(x, y, ctrl.hudTouch);
ctrl.touchDown();
}
return true;
}
@Override
public boolean touchUp(int x, int y, int pointer, int button)
{
if (blocked) return true;
if (dragged > DRAG_THRESHOLD) {
dragged = 0;
return true;
}
dragged = 0;
if (button == Input.Buttons.LEFT) {
cam.unproject(x, y, ctrl.mapTouch);
cam.unprojectHud(x, y, ctrl.hudTouch);
ctrl.touchUp();
}
return true;
}
@Override
public boolean scrolled(int amount)
{
cam.zoom(amount * ZOOM_SCROLL_FACTOR);
ctrl.hud.resize(cam.getHudWidth(), cam.getHudHeight());
return true;
}
});
return multiplexer;
}
@Override
public void render(float delta)
{
if (inputDelay > 0f) {
inputDelay -= delta;
if (inputDelay <= 0f)
blocked = false;
}
ctrl.hud.animate(delta);
ctrl.map.animate(delta);
Gdx.gl.glClearColor(0, 0, 0, 1);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
// cam.update();
batch.setProjectionMatrix(cam.combined);
batch.begin();
ctrl.map.draw(batch);
batch.end();
if (DEBUG) {
Gdx.gl.glEnable(GL20.GL_BLEND);
debugShapes.setAutoShapeType(true);
debugShapes.setProjectionMatrix(cam.combined);
debugShapes.begin();
ctrl.map.drawDebug(debugShapes);
debugShapes.end();
}
batch.setProjectionMatrix(cam.getHudMatrix());
batch.begin();
ctrl.hud.draw(batch, DEBUG);
batch.end();
if (DEBUG) {
Gdx.gl.glEnable(GL20.GL_BLEND);
debugShapes.setAutoShapeType(true);
debugShapes.setProjectionMatrix(cam.getHudMatrix());
debugShapes.begin();
ctrl.hud.drawDebug(debugShapes);
debugShapes.end();
}
}
@Override
public void resize(int width, int height)
{
// TankOnTank.debug("GameScreen", "resize (" + width + "," + height + ")");
cam.updateViewport(width, height);
ctrl.hud.resize(cam.getHudWidth(), cam.getHudHeight());
}
@Override
public void dispose()
{
// TankOnTank.debug("GameScreen", "dispose()");
batch.dispose();
ctrl.dispose();
if (DEBUG) debugShapes.dispose();
}
@Override
public void show()
{
// TankOnTank.debug("GameScreen", "show()");
}
@Override
public void hide()
{
// TankOnTank.debug("GameScreen", "hide()");
}
@Override
public void pause()
{
// TankOnTank.debug("GameScreen", "pause()");
}
@Override
public void resume()
{
// TankOnTank.debug("GameScreen", "resume()");
}
}
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