package {
    import flash.display.*;
    import flash.geom.*;
    import flash.events.*;
  
    // Creates and displays a draggable "outer space" graphic made up of
    // individual tiles.
    public class @ax-actionscript-misc-SpaceMap extends flash.display.Sprite {
      private var spaceMap:actionscript_misc_TileMap;  // A map containing the locations of
                                     // space graphic tiles
      private var tiles:actionscript_misc_TileSet;     // The individual space tile graphics
      // An on-screen, draggable display of spaceMap
      private var draggableSpaceMap:actionscript_misc_DraggableMapRegion; 
      
      // Constructor
      public function @ax-actionscript-misc-SpaceMap () {
        // Prevent the application from resizing
        stage.scaleMode = StageScaleMode.NO_SCALE;
        
        // Create a new, empty map in which to store 
        // tile IDs (10 across by 15 down).
        spaceMap = new actionscript_misc_TileMap(10, 15);
  
        // Load the space tile graphic, and break it into individual tiles,
        // sized 16-pixels square. For a demo with more obvious tiles, 
        // change "spacetiles.gif" to "tiles.gif".
        tiles =  new actionscript_misc_TileSet();
        tiles.addEventListener(actionscript_misc_TileSet.TILES_LOADED, tilesLoadedListener);
  
        tiles.loadTiles("actionscript-misc-assets-spacetiles.gif", 16);
      }
  
      // When the tile graphic loads, start the application
      private function tilesLoadedListener (e:Event):void {
        start();
      }
  
      // Creates an on-screen, draggable display of spaceMap
      private function start ():void {
        // First, randomly assign a tile ID to each position on the map
        spaceMap.randomize(tiles.getNumTiles());
        // Then create a new map viewer that supports dragging. The viewer
        // will display an 80x80 pixel square section of the map, initially
        // positioned at pixel coordinate (30, 40).
        draggableSpaceMap = new actionscript_misc_DraggableMapRegion(spaceMap, tiles, 
                                               new Rectangle(30, 40, 80, 80));
        // Display the map viewer on screen
        addChild(draggableSpaceMap);
        
        // For expository purposes, display the entire map with no scrolling.
        // The map grid is 10 by 15, and each tile is 16 pixels square, so 
        // the entire displayed map is 160 by 240.
        var wholeSpaceMap:actionscript_misc_TileMapViewer = 
          new actionscript_misc_TileMapViewer(spaceMap, tiles, new Rectangle(0, 0, 160, 240));
        addChild(wholeSpaceMap);
        wholeSpaceMap.x = 100;
      }
    }
  }