public boolean isTileCollidable(int column, int row) {
   // System.out.println(column + "," + row + " testing");
   Cell tileCell = metaLayer.getCell(column, row);
   if (tileCell != null) {
     TiledMapTile tile = tileCell.getTile();
     MapProperties properties = tile.getProperties();
     if (properties.containsKey("collidable")) {
       Object value = properties.get("collidable");
       if (value.toString().compareTo("1") == 0) {
         return true;
       }
     }
   }
   return false;
 }
 private void _loadSpecialTilesRoutine(TiledMap map) {
   // System.out.println("_loadSpecialTilesRoutine");
   Iterator<TiledMapTile> tiles = map.getTileSets().getTileSet(0).iterator();
   // System.out.println(map.getTileSets().getTileSet(0).size());
   while (tiles.hasNext()) {
     TiledMapTile tile = tiles.next();
     if (tile.getProperties().containsKey("debug")) {
       // System.out.println("debug tile found!!");
       debugCell = new Cell();
       debugCell.setTile(tile);
     } else if (tile.getProperties().containsKey("collidable")) {
       // System.out.println("collidable tile found!!");
       collidableCell = new Cell();
       collidableCell.setTile(tile);
     }
   }
 }
  public void Create() {
    // set tilemap file name
    m_MapFileName = "map/test.tmx";

    // set up the tilemap
    m_TiledMap = new TmxMapLoader().load(m_MapFileName);
    m_TiledMapRenderer = new OrthogonalTiledMapRenderer(m_TiledMap, 1f);

    // set up the box2d physics
    m_PhysicsWorld = new com.badlogic.gdx.physics.box2d.World(new Vector2(0, 0), true);

    // attach contact listener to physics world
    m_PhysicsWorld.setContactListener(new GameContactListener(this));

    // set up box2dlights
    m_RayHandler = new RayHandler(m_PhysicsWorld);
    m_RayHandler.setAmbientLight(0.0f);

    // add tilemap collision boxes to physics world
    for (int i = 0; i < m_TiledMap.getLayers().getCount(); i++) {
      if (m_TiledMap.getLayers().get(i) instanceof TiledMapTileLayer) {
        TiledMapTileLayer layer = (TiledMapTileLayer) m_TiledMap.getLayers().get(i);
        for (int j = 0; j < layer.getWidth(); j++) {
          for (int k = 0; k < layer.getHeight(); k++) {
            Cell cell = layer.getCell(j, k);
            if (cell != null) {
              TiledMapTile tile = cell.getTile();
              if (tile != null) {
                MapProperties props = tile.getProperties();
                if (props.containsKey("blocked")) {
                  float worldX = j * 64 + 32;
                  float worldY = k * 64 + 32;
                  BodyDef bodyDef = new BodyDef();
                  bodyDef.type = BodyType.StaticBody;
                  bodyDef.position.set(new Vector2(worldX * WORLD_TO_BOX, worldY * WORLD_TO_BOX));

                  Body newBody = m_PhysicsWorld.createBody(bodyDef);

                  PolygonShape boxShape = new PolygonShape();
                  boxShape.setAsBox(32 * WORLD_TO_BOX, 32 * WORLD_TO_BOX);

                  // Create a fixture definition to apply our shape to
                  FixtureDef fixtureDef = new FixtureDef();
                  fixtureDef.shape = boxShape;

                  newBody.createFixture(fixtureDef);

                  boxShape.dispose();
                }

                if (props.containsKey("rotate")) {
                  // flip some random tiles to break pattern
                  if (k * j % 3 == 0) layer.getCell(j, k).setFlipVertically(true);
                  if (k * j % 2 == 0) layer.getCell(j, k).setFlipHorizontally(true);
                }
              }
            }
          }
        }
      }
    }

    // set up artemis entity system
    m_ArtemisWorld = new com.artemis.World();

    // add the passive systems
    m_SpineRenderSystem = new SpineRenderSystem(m_GameScreen);
    m_ArtemisWorld.setSystem(m_SpineRenderSystem, true);

    // add the systems
    m_ArtemisWorld.setSystem(new PlayerInputSystem(this));
    m_ArtemisWorld.setSystem(new CameraSystem(m_GameScreen.m_Camera));
    m_ArtemisWorld.setSystem(new PhysicsSystem());
    m_ArtemisWorld.setSystem(new LifecycleSystem(this));
    m_ArtemisWorld.setSystem(new SteeringSystem());

    // init the world
    m_ArtemisWorld.initialize();
    EntityHelper.LoadObjects(
        m_GameScreen, m_ArtemisWorld, m_TiledMap, m_PhysicsWorld, m_RayHandler);

    // add player to entity list
    m_PlayerEntity = new PlayerEntity();
    m_PlayerEntity.AddToWorld(this);
    checkpointPos = new Vector2(0, 0);
    checkpointPos.x = m_PlayerEntity.m_Entity.getComponent(PositionComponent.class).m_X;
    checkpointPos.y = m_PlayerEntity.m_Entity.getComponent(PositionComponent.class).m_Y;

    // hud items are special cases since they needs to draw on top of border
    m_VialOne = new SpineComponent("map/vial", 5, 0.75f, -25);
    m_VialTwo = new SpineComponent("map/vial", 5, 0.65f, -5);
    m_VialThree = new SpineComponent("map/vial", 5, 0.75f, -50);
    m_WatchSpine = new SpineComponent("map/watch", 4, 0.75f, 0);

    if (m_GameScreen.m_Settings.m_WatchFound) {
      ActivateWatch();
      BodyComponent bodyComponent = m_PlayerEntity.m_Entity.getComponent(BodyComponent.class);
      bodyComponent.m_Body.setTransform(621 * WORLD_TO_BOX, 5961 * WORLD_TO_BOX, 0);
    }
    if (m_GameScreen.m_Settings.m_WeaponFound) {
      ActivateSword();
      BodyComponent bodyComponent = m_PlayerEntity.m_Entity.getComponent(BodyComponent.class);
      bodyComponent.m_Body.setTransform(1965 * WORLD_TO_BOX, 4842 * WORLD_TO_BOX, 0);
    }
    if (m_GameScreen.m_Settings.m_WeaponLightFound) {
      ActivateSwordLight();
      BodyComponent bodyComponent = m_PlayerEntity.m_Entity.getComponent(BodyComponent.class);
      bodyComponent.m_Body.setTransform(6390 * WORLD_TO_BOX, 6462 * WORLD_TO_BOX, 0);
    }
  }
  @Override
  public void renderTileLayer(TiledMapTileLayer layer) {

    final float color = Color.toFloatBits(1, 1, 1, layer.getOpacity());

    final int layerWidth = layer.getWidth();
    final int layerHeight = layer.getHeight();

    final float layerTileWidth = layer.getTileWidth() * unitScale;
    final float layerTileHeight = layer.getTileHeight() * unitScale;

    final float layerTileWidth25 = layerTileWidth * 0.25f;
    final float layerTileWidth50 = layerTileWidth * 0.50f;
    final float layerTileWidth75 = layerTileWidth * 0.75f;

    final float layerTileHeight50 = layerTileHeight * 0.50f;
    final float layerTileHeight150 = layerTileHeight * 1.50f;

    final int col1 = Math.max(0, (int) (((viewBounds.x - layerTileWidth25) / layerTileWidth75)));
    final int col2 =
        Math.min(
            layerWidth,
            (int) ((viewBounds.x + viewBounds.width + layerTileWidth75) / layerTileWidth75));

    final int row1 = Math.max(0, (int) ((viewBounds.y / layerTileHeight150)));
    final int row2 =
        Math.min(
            layerHeight,
            (int) ((viewBounds.y + viewBounds.height + layerTileHeight150) / layerTileHeight));

    final float[] vertices = this.vertices;

    for (int row = row1; row < row2; row++) {
      for (int col = col1; col < col2; col++) {

        float x = layerTileWidth75 * col;
        float y = (col % 2 == (yDown ? 0 : 1) ? 0 : layerTileHeight50) + (layerTileHeight * row);

        final TiledMapTileLayer.Cell cell = layer.getCell(col, row);
        if (cell == null) {
          x += layerTileWidth;
          continue;
        }
        final TiledMapTile tile = cell.getTile();
        if (tile != null) {
          if (tile instanceof AnimatedTiledMapTile) continue;

          final boolean flipX = cell.getFlipHorizontally();
          final boolean flipY = cell.getFlipVertically();
          final int rotations = cell.getRotation();

          TextureRegion region = tile.getTextureRegion();

          float x1 = x;
          float y1 = y;
          float x2 = x1 + region.getRegionWidth() * unitScale;
          float y2 = y1 + region.getRegionHeight() * unitScale;

          float u1 = region.getU();
          float v1 = region.getV2();
          float u2 = region.getU2();
          float v2 = region.getV();

          vertices[X1] = x1;
          vertices[Y1] = y1;
          vertices[C1] = color;
          vertices[U1] = u1;
          vertices[V1] = v1;

          vertices[X2] = x1;
          vertices[Y2] = y2;
          vertices[C2] = color;
          vertices[U2] = u1;
          vertices[V2] = v2;

          vertices[X3] = x2;
          vertices[Y3] = y2;
          vertices[C3] = color;
          vertices[U3] = u2;
          vertices[V3] = v2;

          vertices[X4] = x2;
          vertices[Y4] = y1;
          vertices[C4] = color;
          vertices[U4] = u2;
          vertices[V4] = v1;

          if (flipX) {
            float temp = vertices[U1];
            vertices[U1] = vertices[U3];
            vertices[U3] = temp;
            temp = vertices[U2];
            vertices[U2] = vertices[U4];
            vertices[U4] = temp;
          }
          if (flipY) {
            float temp = vertices[V1];
            vertices[V1] = vertices[V3];
            vertices[V3] = temp;
            temp = vertices[V2];
            vertices[V2] = vertices[V4];
            vertices[V4] = temp;
          }
          if (rotations == 2) {
            float tempU = vertices[U1];
            vertices[U1] = vertices[U3];
            vertices[U3] = tempU;
            tempU = vertices[U2];
            vertices[U2] = vertices[U4];
            vertices[U4] = tempU;
            float tempV = vertices[V1];
            vertices[V1] = vertices[V3];
            vertices[V3] = tempV;
            tempV = vertices[V2];
            vertices[V2] = vertices[V4];
            vertices[V4] = tempV;
            break;
          }
          spriteBatch.draw(region.getTexture(), vertices, 0, 20);
        }
      }
    }
  }
  @Override
  public void renderTileLayer(TiledMapTileLayer layer) {
    final Color batchColor = batch.getColor();
    final float color =
        Color.toFloatBits(
            batchColor.r, batchColor.g, batchColor.b, batchColor.a * layer.getOpacity());

    final int layerWidth = layer.getWidth();
    final int layerHeight = layer.getHeight();

    final float layerTileWidth = layer.getTileWidth() * unitScale;
    final float layerTileHeight = layer.getTileHeight() * unitScale;

    final float layerTileWidth50 = layerTileWidth * 0.50f;
    final float layerTileHeight50 = layerTileHeight * 0.50f;

    final int minX = Math.max(0, (int) (((viewBounds.x - layerTileWidth50) / layerTileWidth)));
    final int maxX =
        Math.min(
            layerWidth,
            (int)
                ((viewBounds.x + viewBounds.width + layerTileWidth + layerTileWidth50)
                    / layerTileWidth));

    final int minY = Math.max(0, (int) (((viewBounds.y - layerTileHeight) / layerTileHeight)));
    final int maxY =
        Math.min(
            layerHeight,
            (int) ((viewBounds.y + viewBounds.height + layerTileHeight) / layerTileHeight50));

    for (int y = maxY - 1; y >= minY; y--) {
      float offsetX = (y % 2 == 1) ? layerTileWidth50 : 0;
      for (int x = maxX - 1; x >= minX; x--) {
        final TiledMapTileLayer.Cell cell = layer.getCell(x, y);
        if (cell == null) continue;
        final TiledMapTile tile = cell.getTile();

        if (tile != null) {
          final boolean flipX = cell.getFlipHorizontally();
          final boolean flipY = cell.getFlipVertically();
          final int rotations = cell.getRotation();
          TextureRegion region = tile.getTextureRegion();

          float x1 = x * layerTileWidth - offsetX + tile.getOffsetX() * unitScale;
          float y1 = y * layerTileHeight50 + tile.getOffsetY() * unitScale;
          float x2 = x1 + region.getRegionWidth() * unitScale;
          float y2 = y1 + region.getRegionHeight() * unitScale;

          float u1 = region.getU();
          float v1 = region.getV2();
          float u2 = region.getU2();
          float v2 = region.getV();

          vertices[X1] = x1;
          vertices[Y1] = y1;
          vertices[C1] = color;
          vertices[U1] = u1;
          vertices[V1] = v1;

          vertices[X2] = x1;
          vertices[Y2] = y2;
          vertices[C2] = color;
          vertices[U2] = u1;
          vertices[V2] = v2;

          vertices[X3] = x2;
          vertices[Y3] = y2;
          vertices[C3] = color;
          vertices[U3] = u2;
          vertices[V3] = v2;

          vertices[X4] = x2;
          vertices[Y4] = y1;
          vertices[C4] = color;
          vertices[U4] = u2;
          vertices[V4] = v1;

          if (flipX) {
            float temp = vertices[U1];
            vertices[U1] = vertices[U3];
            vertices[U3] = temp;
            temp = vertices[U2];
            vertices[U2] = vertices[U4];
            vertices[U4] = temp;
          }

          if (flipY) {
            float temp = vertices[V1];
            vertices[V1] = vertices[V3];
            vertices[V3] = temp;
            temp = vertices[V2];
            vertices[V2] = vertices[V4];
            vertices[V4] = temp;
          }

          if (rotations != 0) {
            switch (rotations) {
              case Cell.ROTATE_90:
                {
                  float tempV = vertices[V1];
                  vertices[V1] = vertices[V2];
                  vertices[V2] = vertices[V3];
                  vertices[V3] = vertices[V4];
                  vertices[V4] = tempV;

                  float tempU = vertices[U1];
                  vertices[U1] = vertices[U2];
                  vertices[U2] = vertices[U3];
                  vertices[U3] = vertices[U4];
                  vertices[U4] = tempU;
                  break;
                }
              case Cell.ROTATE_180:
                {
                  float tempU = vertices[U1];
                  vertices[U1] = vertices[U3];
                  vertices[U3] = tempU;
                  tempU = vertices[U2];
                  vertices[U2] = vertices[U4];
                  vertices[U4] = tempU;
                  float tempV = vertices[V1];
                  vertices[V1] = vertices[V3];
                  vertices[V3] = tempV;
                  tempV = vertices[V2];
                  vertices[V2] = vertices[V4];
                  vertices[V4] = tempV;
                  break;
                }
              case Cell.ROTATE_270:
                {
                  float tempV = vertices[V1];
                  vertices[V1] = vertices[V4];
                  vertices[V4] = vertices[V3];
                  vertices[V3] = vertices[V2];
                  vertices[V2] = tempV;

                  float tempU = vertices[U1];
                  vertices[U1] = vertices[U4];
                  vertices[U4] = vertices[U3];
                  vertices[U3] = vertices[U2];
                  vertices[U2] = tempU;
                  break;
                }
            }
          }
          batch.draw(region.getTexture(), vertices, 0, 20);
        }
      }
    }
  }