text: import pool from "./../../system/pooling.js";
  import event from "./../../system/event.js";
  import game from "./../../game.js";
  import collision from "./../../physics/collision.js";
  import Body from "./../../physics/body.js";
  import TMXOrthogonalRenderer from "./renderer/TMXOrthogonalRenderer.js";
  import TMXIsometricRenderer from "./renderer/TMXIsometricRenderer.js";
  import TMXHexagonalRenderer from "./renderer/TMXHexagonalRenderer.js";
  import TMXStaggeredRenderer from "./renderer/TMXStaggeredRenderer.js";
  import TMXTileset from "./TMXTileset.js";
  import TMXTilesetGroup from "./TMXTilesetGroup.js";
  import TMXGroup from "./TMXGroup.js";
  import TMXLayer from "./TMXLayer.js";
  import { applyTMXProperties } from "./TMXUtils.js";
  import Renderable from "./../../renderable/renderable.js";
  import Container from "./../../renderable/container.js";
  
  // constant to identify the collision object layer
  var COLLISION_GROUP = "collision";
  
  // onresize handler
  var onresize_handler = null;
  
  /**
   * set a compatible renderer object
   * for the specified map
   * @ignore
   */
  function getNewDefaultRenderer(map) {
      switch (map.orientation) {
          case "orthogonal":
              return new TMXOrthogonalRenderer(map);
  
          case "isometric":
              return new TMXIsometricRenderer(map);
  
          case "hexagonal":
              return new TMXHexagonalRenderer(map);
  
          case "staggered":
              return new TMXStaggeredRenderer(map);
  
          // if none found, throw an exception
          default:
              throw new Error(map.orientation + " type TMX Tile Map not supported!");
      }
  }
  
  /**
   * read the layer Data
   * @ignore
   */
  function readLayer(map, data, z) {
      return new TMXLayer(map, data, map.tilewidth, map.tileheight, map.orientation, map.tilesets, z);
  }
  
  /**
   * read the Image Layer Data
   * @ignore
   */
  function readImageLayer(map, data, z) {
      // Normalize properties
      applyTMXProperties(data.properties, data);
  
      // create the layer
      var imageLayer = pool.pull("me.ImageLayer",
          // x/y is deprecated since 0.15 and replace by offsetx/y
          +data.offsetx || +data.x || 0,
          +data.offsety || +data.y || 0,
          Object.assign({
              name: data.name,
              image: data.image,
              z: z
          }, data.properties)
      );
  
      // set some additional flags
      var visible = typeof(data.visible) !== "undefined" ? data.visible : true;
      imageLayer.setOpacity(visible ? +data.opacity : 0);
  
      return imageLayer;
  }
  
  /**
   * read the tileset Data
   * @ignore
   */
  function readTileset(data) {
      return (new TMXTileset(data));
  }
  
  /**
   * read the object group Data
   * @ignore
   */
  function readObjectGroup(map, data, z) {
      return (new TMXGroup(map, data, z));
  }
  
  /**
   * @classdesc
   * a TMX Tile Map Object
   * Tiled QT +0.7.x format
   * @class TMXTileMap
   * @memberOf me
   * @constructor
   * @param {String} levelId name of TMX map
   * @param {Object} data TMX map in JSON format
   * @example
   * // create a new level object based on the TMX JSON object
   * var level = new me.TMXTileMap(levelId, me.loader.getTMX(levelId));
   * // add the level to the game world container
   * level.addTo(me.game.world, true);
   */
  export default class TMXTileMap {
  
      // constructor
      constructor(levelId, data) {
  
          /**
           * the level data (JSON)
           * @ignore
           */
          this.data = data;
  
          /**
           * name of the tilemap
           * @public
           * @type {String}
           * @name me.TMXTileMap#name
           */
          this.name = levelId;
  
          /**
           * width of the tilemap in tiles
           * @public
           * @type {Number}
           * @name me.TMXTileMap#cols
           */
          this.cols = +data.width;
          /**
           * height of the tilemap in tiles
           * @public
           * @type {Number}
           * @name me.TMXTileMap#rows
           */
          this.rows = +data.height;
  
          /**
           * Tile width
           * @public
           * @type {Number}
           * @name me.TMXTileMap#tilewidth
           */
          this.tilewidth = +data.tilewidth;
  
          /**
           * Tile height
           * @public
           * @type {Number}
           * @name me.TMXTileMap#tileheight
           */
          this.tileheight = +data.tileheight;
  
          /**
           * is the map an infinite map
           * @public
           * @type {Number}
           * @default 0
           * @name me.TMXTileMap#infinite
           */
          this.infinite = +data.infinite;
  
          /**
           * the map orientation type. melonJS supports “orthogonal”, “isometric”, “staggered” and “hexagonal”.
           * @public
           * @type {String}
           * @default "orthogonal"
           * @name me.TMXTileMap#orientation
           */
          this.orientation = data.orientation;
  
          /**
          * the order in which tiles on orthogonal tile layers are rendered.
          * (valid values are "left-down", "left-up", "right-down", "right-up")
           * @public
           * @type {String}
           * @default "right-down"
           * @name me.TMXTileMap#renderorder
           */
          this.renderorder = data.renderorder || "right-down";
  
          /**
           * the TMX format version
           * @public
           * @type {String}
           * @name me.TMXTileMap#version
           */
          this.version = data.version;
  
          /**
           * The Tiled version used to save the file (since Tiled 1.0.1).
           * @public
           * @type {String}
           * @name me.TMXTileMap#tiledversion
           */
          this.tiledversion = data.tiledversion;
  
          // tilesets for this map
          this.tilesets = null;
  
          // layers
          if (typeof this.layers === "undefined") {
              this.layers = [];
          }
          // group objects
          if (typeof this.objectGroups === "undefined") {
              this.objectGroups = [];
          }
  
          // Check if map is from melon editor
          this.isEditor = data.editor === "melon-editor";
  
  
          // object id
          this.nextobjectid = +data.nextobjectid || undefined;
  
          // hex/iso properties
          this.hexsidelength = +data.hexsidelength;
          this.staggeraxis = data.staggeraxis;
          this.staggerindex = data.staggerindex;
  
          // calculate the map bounding rect
          this.bounds = this.getRenderer().getBounds();
  
          // map "real" size
          this.width = this.bounds.width;
          this.height = this.bounds.height;
  
          // background color
          this.backgroundcolor = data.backgroundcolor;
  
          // set additional map properties (if any)
          applyTMXProperties(this, data);
  
          // internal flag
          this.initialized = false;
  
          if (this.infinite === 1) {
              // #956 Support for Infinite map
              // see as well in me.TMXUtils
              throw new Error("Tiled Infinite Map not supported!");
          }
      }
  
      /**
       * Return the map default renderer
       * @name getRenderer
       * @memberOf me.TMXTileMap
       * @public
       * @function
       * @return {me.TMXRenderer} a TMX renderer
       */
      getRenderer() {
          if ((typeof(this.renderer) === "undefined") || (!this.renderer.canRender(this))) {
              this.renderer = getNewDefaultRenderer(this);
          };
          return this.renderer;
      }
  
      /**
       * return the map bounding rect
       * @name me.TMXRenderer#getBounds
       * @public
       * @function
       * @return {me.Rect}
       */
      getBounds() {
          // calculated in the constructor
          return this.bounds;
      }
  
      /**
       * parse the map
       * @ignore
       */
      readMapObjects(data) {
  
          if (this.initialized === true) {
              return;
          }
  
          // to automatically increment z index
          var zOrder = 0;
          var self = this;
  
          // Tileset information
          if (!this.tilesets) {
              // make sure we have a TilesetGroup Object
              this.tilesets = new TMXTilesetGroup();
          }
  
          // parse all tileset objects
          if (typeof (data.tilesets) !== "undefined") {
              var tilesets = data.tilesets;
              tilesets.forEach(function (tileset) {
                  // add the new tileset
                  self.tilesets.add(readTileset(tileset));
              });
          }
  
          // check if a user-defined background color is defined
          if (this.backgroundcolor) {
              this.layers.push(
                  pool.pull("me.ColorLayer",
                      "background_color",
                      this.backgroundcolor,
                      zOrder++
                  )
              );
          }
  
          // check if a background image is defined
          if (this.background_image) {
              // add a new image layer
              this.layers.push(
                  pool.pull("me.ImageLayer",
                      0, 0, {
                          name : "background_image",
                          image : this.background_image,
                          z : zOrder++
                      }
              ));
          }
  
          data.layers.forEach(function (layer) {
              switch (layer.type) {
                  case "imagelayer":
                      self.layers.push(readImageLayer(self, layer, zOrder++));
                      break;
  
                  case "tilelayer":
                      self.layers.push(readLayer(self, layer, zOrder++));
                      break;
  
                  // get the object groups information
                  case "objectgroup":
                      self.objectGroups.push(readObjectGroup(self, layer, zOrder++));
                      break;
  
                  // get the object groups information
                  case "group":
                      self.objectGroups.push(readObjectGroup(self, layer, zOrder++));
                      break;
  
                  default:
                      break;
              }
          });
  
          this.initialized = true;
      }
  
  
      /**
       * add all the map layers and objects to the given container.
       * note : this will not automatically update the camera viewport
       * @name me.TMXTileMap#addTo
       * @public
       * @function
       * @param {me.Container} target container
       * @param {boolean} [flatten=true] if true, flatten all objects into the given container, else a `me.Container` object will be created for each corresponding groups
       * @param {boolean} [setViewportBounds=false] if true, set the viewport bounds to the map size, this should be set to true especially if adding a level to the game world container.
       * @example
       * // create a new level object based on the TMX JSON object
       * var level = new me.TMXTileMap(levelId, me.loader.getTMX(levelId));
       * // add the level to the game world container
       * level.addTo(me.game.world, true, true);
       */
      addTo(container, flatten, setViewportBounds) {
          var _sort = container.autoSort;
          var _depth = container.autoDepth;
  
          var levelBounds = this.getBounds();
  
          // disable auto-sort and auto-depth
          container.autoSort = false;
          container.autoDepth = false;
  
          // add all layers instances
          this.getLayers().forEach(function (layer) {
              container.addChild(layer);
          });
  
          // add all Object instances
          this.getObjects(flatten).forEach(function (object) {
              container.addChild(object);
          });
  
          // resize the container accordingly
          container.resize(this.bounds.width, this.bounds.height);
  
          // sort everything (recursively)
          container.sort(true);
  
  
          // callback funtion for the viewport resize event
          function _setBounds(width, height) {
              // adjust the viewport bounds if level is smaller
              game.viewport.setBounds(
                  0, 0,
                  Math.max(levelBounds.width, width),
                  Math.max(levelBounds.height, height)
              );
              // center the map if smaller than the current viewport
              container.pos.set(
                  Math.max(0, ~~((width - levelBounds.width) / 2)),
                  Math.max(0, ~~((height - levelBounds.height) / 2)),
                  // don't change the container z position if defined
                  container.pos.z
              );
          }
  
          if (setViewportBounds === true) {
              // force viewport bounds update
              _setBounds(game.viewport.width, game.viewport.height);
              // Replace the resize handler
              if (onresize_handler) {
                  event.unsubscribe(onresize_handler);
              }
              onresize_handler = event.subscribe(event.VIEWPORT_ONRESIZE, _setBounds);
          }
  
          //  set back auto-sort and auto-depth
          container.autoSort = _sort;
          container.autoDepth = _depth;
      }
  
      /**
       * return an Array of instantiated objects, based on the map object definition
       * @name me.TMXTileMap#getObjects
       * @public
       * @function
       * @param {boolean} [flatten=true] if true, flatten all objects into the returned array.
       * when false, a `me.Container` object will be created for each corresponding groups
       * @return {me.Renderable[]} Array of Objects
       */
      getObjects(flatten) {
          var objects = [];
          var isCollisionGroup = false;
          var targetContainer;
  
          // parse the map for objects
          this.readMapObjects(this.data);
  
          for (var g = 0; g < this.objectGroups.length; g++) {
              var group = this.objectGroups[g];
  
              // check if this is the collision shape group
              isCollisionGroup = group.name.toLowerCase().includes(COLLISION_GROUP);
  
              if (flatten === false) {
                  // create a new container
                  targetContainer = new Container(0, 0, this.width, this.height);
  
                  // tiled uses 0,0 by default
                  targetContainer.anchorPoint.set(0, 0);
  
                  // set additional properties
                  targetContainer.name = group.name;
                  targetContainer.pos.z = group.z;
                  targetContainer.setOpacity(group.opacity);
  
                  // disable auto-sort and auto-depth
                  targetContainer.autoSort = false;
                  targetContainer.autoDepth = false;
              }
  
              // iterate through the group and add all object into their
              // corresponding target Container
              for (var o = 0; o < group.objects.length; o++) {
                  // TMX object settings
                  var settings = group.objects[o];
                  // reference to the instantiated object
                  var obj;
  
                  // Tiled uses 0,0 by default
                  if (typeof (settings.anchorPoint) === "undefined") {
                      settings.anchorPoint = {x : 0, y : 0};
                  }
                  // convert to melonJS renderable argument name
                  if (typeof (settings.tintcolor) !== "undefined") {
                      settings.tint = pool.pull("me.Color");
                      settings.tint.parseHex(settings.tintcolor, true);
                  }
  
                  // groups can contains either text, objects or layers
                  if (settings instanceof TMXLayer) {
                      // layers are already instantiated & initialized
                      obj = settings;
                      // z value set already
                  } else if (typeof settings.text === "object") {
                      // Tiled uses 0,0 by default
                      if (typeof (settings.text.anchorPoint) === "undefined") {
                          settings.text.anchorPoint = settings.anchorPoint;
                      }
                      if (settings.text.bitmap === true) {
                          obj = pool.pull("me.BitmapText", settings.x, settings.y, settings.text);
                      } else {
                          obj = pool.pull("me.Text", settings.x, settings.y, settings.text);
                      }
                      // set the obj z order
                      obj.pos.z = settings.z;
                  } else if (typeof settings.tile === "object") {
                      // check if a me.Tile object is embedded
                      obj = settings.tile.getRenderable(settings);
                      obj.body = new Body(obj, settings.shapes || obj.getBounds());
                      // set the obj z order
                      obj.pos.setMuted(settings.x, settings.y, settings.z);
                  } else {
                      // pull the corresponding entity from the object pool
                      obj = pool.pull(
                          settings.name || "me.Entity",
                          settings.x, settings.y,
                          settings
                      );
                      // set the obj z order
                      obj.pos.z = settings.z;
                  }
  
                  if (isCollisionGroup && !settings.name && obj.body) {
                      // configure the body accordingly
                      obj.body.collisionType = collision.types.WORLD_SHAPE;
                  }
  
                  //apply group opacity value to the child objects if group are merged
                  if (flatten !== false) {
                      if (obj.isRenderable === true) {
                          obj.setOpacity(obj.getOpacity() * group.opacity);
                          // and to child renderables if any
                          if (obj.renderable instanceof Renderable) {
                              obj.renderable.setOpacity(obj.renderable.getOpacity() * group.opacity);
                          }
                      }
                      // directly add the obj into the objects array
                      objects.push(obj);
                  } else /* false*/ {
                      // add it to the new container
                      targetContainer.addChild(obj);
                  }
  
              }
  
              // if we created a new container
              if ((flatten === false) && (targetContainer.children.length > 0)) {
  
                  // re-enable auto-sort and auto-depth
                  targetContainer.autoSort = true;
                  targetContainer.autoDepth = true;
  
                  // add our container to the world
                  objects.push(targetContainer);
              }
          }
          return objects;
      }
  
      /**
       * return all the existing layers
       * @name me.TMXTileMap#getLayers
       * @public
       * @function
       * @return {me.TMXLayer[]} Array of Layers
       */
      getLayers() {
          // parse the map for objects
          this.readMapObjects(this.data);
          return this.layers;
      }
  
      /**
       * destroy function, clean all allocated objects
       * @name me.TMXTileMap#destroy
       * @public
       * @function
       */
      destroy() {
          this.tilesets = undefined;
          this.layers.length = 0;
          this.objectGroups.length = 0;
          this.initialized = false;
      }
  };
  