Android Open Source - Airplanes Placement Screen

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From Project

Back to project page Airplanes.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.axnsan.airplanes.screens;
/*from ww w  .j  a  v  a  2 s . c  o m*/
import com.axnsan.airplanes.Airplanes;
import com.axnsan.airplanes.PlacementGrid;
import com.axnsan.airplanes.Player;
import com.axnsan.airplanes.util.FontManager;
import com.axnsan.airplanes.util.StringManager;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.graphics.GL10;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.scenes.scene2d.InputEvent;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.ui.TextButton;
import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;

public class PlacementScreen implements Screen {

  private Airplanes game;
  private SpriteBatch batch;
  private PlacementGrid grid;
  private Stage stage;
  private Player player;
  
  /**Minimum distance from edges of screen**/
  private static final int minPadding = Airplanes.minPadding;
  
  /**Border width higher than 1 is not currently supported**/
  private static final int gridBorderWidth = Airplanes.gridBorderWidth;
  
  public PlacementScreen(Player player) {
    this.game = Airplanes.game;
    this.player = player;
  }
  
  @Override
  public void render(float delta) {
    Gdx.gl.glClearColor(1,1,1, 1);
    Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);

    batch.begin();
    //font.draw(batch, "" + frame, Gdx.graphics.getWidth() - 50, 20);
    batch.end();

    if (stage != null) {
      stage.act(delta);
      stage.draw();
    }
    
    if (grid != null)
      grid.draw(batch, 1.f);
    
    try {
      Thread.sleep(Math.max(0, (long) (Airplanes.MAX_FRAME_TIME - Gdx.graphics.getRawDeltaTime())));
    } catch (InterruptedException e) {
      e.printStackTrace();
    }
  }

  @Override
  public void resize(int width, int height) {
    
    if (batch != null)
      batch.dispose();
    batch = new SpriteBatch();
    
    if (stage != null)
      stage.dispose();
    stage = new Stage();
    Airplanes.game.input.addProcessor(stage);
    
    int availableHeight = Gdx.graphics.getHeight() - minPadding;
    int availableWidth = Gdx.graphics.getWidth() - 2*minPadding;
    availableHeight -= height/10;
    int size = game.config.gridSize;
    int maxCellWidth = (availableWidth - (size+1)*gridBorderWidth) / (size);
    int maxCellHeight = (availableHeight - (size)*gridBorderWidth) / (size);
      
    if (maxCellWidth < maxCellHeight) {
      /*If width is the limiting factor, keep the grid to the top of the window*/
      grid.setCellSize(maxCellWidth);
      grid.setPosition((Gdx.graphics.getWidth() - grid.getWidth()) / 2, Gdx.graphics.getHeight() - grid.getHeight() - minPadding);
    }
    else {
      /*If height is the limiting factor, keep the grid to the top left of the window*/
      grid.setCellSize(maxCellHeight);
      grid.setPosition(minPadding, Gdx.graphics.getHeight() - minPadding - grid.getHeight());
    }
    
    int buttonPad = height/100;
    int buttonHeight = height/10;
    
    game.setTextButtonFont(FontManager.getFontForHeight(buttonHeight/1.7f));
    TextButton randomButton = new TextButton(StringManager.getString("random"), game.skin);
    randomButton.setBounds(grid.getX(), grid.getY() - buttonHeight - buttonPad, grid.getWidth() / 2.3f, buttonHeight);
    randomButton.addListener(new ClickListener() {
      @Override
        public void clicked(InputEvent event, float x, float y)
        {
        grid.randomize();
        }
    });
    stage.addActor(randomButton);
    
    TextButton doneButton = new TextButton(StringManager.getString("done"), game.skin);
    doneButton.setBounds(grid.getX() + grid.getWidth() - grid.getWidth() / 2.3f, grid.getY() - buttonHeight - buttonPad, grid.getWidth() / 2.3f, buttonHeight);
    doneButton.addListener(new ClickListener() {
      @Override
        public void clicked(InputEvent event, float x, float y)
        {
        player.state = Player.State.READY;
        game.back();
        }
    });
    stage.addActor(doneButton);
    
    Gdx.graphics.requestRendering();
  }
  
  @Override
  public void show() {
    grid = new PlacementGrid(0, gridBorderWidth, game.config.gridSize);
    Airplanes.game.input.addProcessor(grid);
    if (player == null || player.planes == null || player.planes.size() < game.config.numPlanes)
      grid.randomize();
    else grid.addPlanes(player.planes);
    Gdx.graphics.requestRendering();
  }

  @Override
  public void hide() {
    Airplanes.game.input.removeProcessor(grid);
    Airplanes.game.input.removeProcessor(stage);
  }

  @Override
  public void pause() {

  }

  @Override
  public void resume() {

  }

  @Override
  public void dispose() {
    Airplanes.game.input.removeProcessor(grid);
    Airplanes.game.input.removeProcessor(stage);
    
    if (batch != null)
      batch.dispose();
    if (grid != null)
    {
      player.planes = grid.dumpPlaneLocations();
      if (player.grid == null || !player.grid.addPlanes(player.planes))
        throw new RuntimeException("Failed to add planes");
      grid.dispose();
      if (game.state != null)
        game.state.dumpState();
    }
    if (stage != null)
      stage.dispose();
    
    grid = null;
    batch = null;
    stage = null;
  }

}

Java Source Code List

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