Android Open Source - Gamework Game Map Activity

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License

The source code is released under:
Apache License
If you think the Android project Gamework listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package cz.robyer.gamework.app.activity;
/*  w w  w  .ja va2s .c  om*/
import java.util.List;
import java.util.Map;

import android.graphics.Color;
import android.location.Location;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import com.google.android.gms.maps.CameraUpdate;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.GoogleMap.OnMapLongClickListener;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.CircleOptions;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.android.gms.maps.model.PolygonOptions;

import cz.robyer.gamework.game.GameEvent;
import cz.robyer.gamework.game.GameService;
import cz.robyer.gamework.scenario.Scenario;
import cz.robyer.gamework.scenario.area.Area;
import cz.robyer.gamework.scenario.area.MultiPointArea;
import cz.robyer.gamework.scenario.area.PointArea;
import cz.robyer.gamework.scenario.area.SoundArea;
import cz.robyer.gamework.utils.GPoint;
import cz.robyer.gamework.app.R;

/**
 * Represents game map with showed areas and player position.
 * @author Robert P?sel
 */
public class GameMapActivity extends BaseGameActivity {
  private static final String TAG = GameMapActivity.class.getSimpleName();
  private GoogleMap map;
  private Marker playerMarker;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_game_map);    
    initButtons();
  }
  
  @Override
  protected void onResume() {
    super.onResume();

    if (!GameService.isRunning())
      return;
    
    final GameService game = getGame();
    
    if (map == null) {
          map = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map)).getMap();

          if (map != null) {            
            Scenario scenario = null;
          if (game != null)
            scenario = game.getScenario();

          if (scenario != null) {
              Map<String, Area> areas = scenario.getAreas();
              for (Area a : areas.values()) {
                Log.d(TAG, "Draw area " + a.getId());
                
                if (a instanceof PointArea || a instanceof SoundArea) {
                  PointArea area = (PointArea)a;
                  
                  CircleOptions circle = new CircleOptions(); 
                  circle.center(toLatLng(area.getPoint()));
                  circle.radius(area.getRadius());
                  
                  circle.strokeWidth(2);
                  circle.fillColor(Color.argb(40, 255, 0, 0));
                  
                  map.addCircle(circle);
                } else if (a instanceof MultiPointArea) {
                  MultiPointArea area = (MultiPointArea)a;
                  
                  PolygonOptions polygon = new PolygonOptions();
                  List<GPoint> points = area.getPoints();
                  for (GPoint p : points) {
                    polygon.add(toLatLng(p));  
                  }
                  
                  polygon.strokeWidth(2);
                  polygon.fillColor(Color.argb(40, 0, 255, 0));
                  
                  map.addPolygon(polygon);
                }
              }
          }
          
          map.setOnMapLongClickListener(new OnMapLongClickListener() {
          @Override
          public void onMapLongClick(LatLng point) {
            Toast.makeText(GameMapActivity.this, "Player location set.", Toast.LENGTH_SHORT).show();
            
            Location location = new Location("custom");
            location.setLatitude(point.latitude);
            location.setLongitude(point.longitude);

            game.onLocationChanged(location);
          }
        });
          }
      }
    
    if (game != null)
      updateMarker(game.getLocation());
  }
  
  /**
   * Checks game events and enabled/disables player location layer.
   */
  public void receiveEvent(final GameEvent event) {
    super.receiveEvent(event);
    
    switch (event.type) {
    case UPDATED_LOCATION:
      if (event.value instanceof Location) {
        updateMarker((Location)event.value);
      }
    default:
      break;
    }    
  }
  
  private void updateMarker(Location loc) {
    if (map == null || loc == null)
      return;
    
    if (playerMarker == null) {
      MarkerOptions opt = new MarkerOptions()
            .draggable(false)
            .visible(true)
            .title("Player")
            .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_AZURE))
            .position(new LatLng(loc.getLatitude(), loc.getLongitude()));

          playerMarker = map.addMarker(opt);

          // move camera to player position
          LatLng pos = new LatLng(loc.getLatitude(), loc.getLongitude());
        CameraUpdate update = CameraUpdateFactory.newLatLngZoom(pos, 12);
        map.moveCamera(update);
    } else            
      playerMarker.setPosition(new LatLng(loc.getLatitude(), loc.getLongitude()));
  }
  
  private LatLng toLatLng(GPoint p) {
    return new LatLng(p.latitude, p.longitude);
  }
    
}
Java Source Code List
