Android Open Source - block-composer Level Import Mode

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License

The source code is released under:

MIT License

Java Source Code

package bwr.blockcomposer.modes;
/*from   ww w  . j ava  2 s. com*/
import java.io.BufferedOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

import javax.microedition.khronos.opengles.GL10;

import bwr.blockcomposer.Camera;
import bwr.blockcomposer.GameResources;
import bwr.blockcomposer.R;
import bwr.blockcomposer.gamedata.GameState;
import bwr.blockcomposer.gamedata.Level;
import bwr.blockcomposer.types.RotatingFloat;
import bwr.blockcomposer.ui.UIElementText;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.text.InputFilter;
import android.view.MotionEvent;
import android.widget.EditText;

public class LevelImportMode extends Mode {

  private static final int IMPORT_BUTTON = 0;
  
  private Level level;
  private GameState state;
  
  private Camera camera = new Camera();
  private final RotatingFloat rotateMap = new RotatingFloat(360, 10000);
  
  private String levelFileName = ".bclevel";
  
  private UIElementText levelName, importButton;

  @Override
  public void onModeCreate(GL10 gl, int displayWidth, int displayHeight) {
    super.onModeCreate(gl, displayWidth, displayHeight);

    final int paddingX = (int) context.getResources().getDimension(R.dimen.buttonPaddingX);
    final int paddingY = (int) context.getResources().getDimension(R.dimen.buttonPaddingY);
    
    final int levelNameWidth = displayWidth * 2/3;
    final int levelNameHeight = 64;
    final int levelNameX = (displayWidth - levelNameWidth)/2;
    final int levelNameY = displayHeight - paddingY;
    
    final int startButtonWidth = 210;
    final int startButtonHeight = 64;
    final int startButtonX = (displayWidth - startButtonWidth - paddingX);
    final int startButtonY = paddingY + startButtonHeight;
    
    String name = "Unknown";
    if(level != null && level.getName() != null) name = level.getName();
    
    levelName = new UIElementText(gameResources, context, gl, -1, name, levelNameX, levelNameY, levelNameWidth, levelNameHeight, BUTTON_TEXT_SIZE);
    importButton = new UIElementText(gameResources, context, gl, IMPORT_BUTTON, "Import Level", startButtonX, startButtonY, startButtonWidth, startButtonHeight, BUTTON_TEXT_SIZE);
    
    uiElements.add(levelName);
    uiElements.add(importButton);
  }

  public LevelImportMode(ModeController modeController, GameResources gameResources, Intent intent) throws IOException {
    super(modeController, gameResources);
    
    camera.center.set(0, 0, 0);
    camera.eye.set(0, 15, -15f);
    
    if ("content".equals(intent.getScheme())) {
      InputStream attachment = context.getContentResolver().openInputStream(intent.getData());
      level = Level.loadFromFile(attachment, gameResources);
      attachment.close();
    } else {
      File importFile = new File(intent.getDataString());
      levelFileName = importFile.getName();
      if(!levelFileName.endsWith(".bclevel")) levelFileName = ".bclevel";

      InputStream attachment = context.getContentResolver().openInputStream(intent.getData());
      level = Level.loadFromFile(attachment, gameResources);
      attachment.close();  
    }
    
    if(level != null) {
      state = new GameState(level);
    }
  }
  
  private void importLevel() {
    if(application.isExternalStorageAvailable()) {
      
      AlertDialog.Builder alert = new AlertDialog.Builder(context);

      alert.setTitle("Save level as...");
    
      // Set an EditText view to get user input 
      final EditText input = new EditText(context);
      input.setText(levelFileName);
      input.setFilters(new InputFilter[] {new InputFilter.LengthFilter(30)});
    
      alert.setView(input);
    
      alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int whichButton) {
          try {
            levelFileName = input.getText().toString();
            
            if(!levelFileName.endsWith(".bclevel")) levelFileName = levelFileName.concat(".bclevel");
            
            File file = new File(application.levelStorageDirectory, levelFileName);
            FileOutputStream fos = new FileOutputStream(file);
            DataOutputStream out = new DataOutputStream(new BufferedOutputStream(fos));
            level.writeToFile(out);
            out.close();
            modeController.popMode();
          } catch(IOException e) {
            // TODO: Error
          }
        }
      });
  
      alert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int whichButton) {
          // Canceled.
        }
      });
      
      alert.show();

    } else {
      AlertDialog.Builder alert = new AlertDialog.Builder(context);
      
      alert.setTitle("External storage not available");
      alert.setMessage(R.string.ext_storage_not_available);
      alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
        
        public void onClick(DialogInterface dialog, int which) {
          // Nothing
        }
      });
      
      alert.show();
    }
  }

  @Override
  protected boolean handleUIEvent(int id, int action) {
    if(action == MotionEvent.ACTION_DOWN) {
      if(id == IMPORT_BUTTON) {
        importLevel();
        return true;
      }
    }
    return false;
  }
  
  @Override
  public void update(long dt) {
    rotateMap.update(dt);
  }

  @Override
  public void render3D(GL10 gl) {
      gl.glPushMatrix();
    gl.glRotatef(rotateMap.getValue() + 45, 0, 1, 0);
    state.draw(gl, gameResources);
      gl.glPopMatrix();
  }

  @Override
  public Camera getCamera() {
    return camera;
  }

}

Java Source Code List

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