Changeset 2454

Timestamp:

12/05/07 04:08:12 (13 months ago)

Author:

gyuque

Message:

lang/actionscript/swfgmap

Location:

lang/actionscript/swfgmap/trunk

Files:

• gyuque/gmap/GridHash.as (added)
• gyuque/gmap/ViewportUpdater.as (modified) (3 diffs)
• gyuque/gmap/googlemaps/GMapMapLayer.as (modified) (1 diff)
• gyuque/gmap/googlemaps/GMapMapTile.as (modified) (2 diffs)
• helper-js (added)
• helper-js/getTileVer.js (added)
• testapp.html (modified) (1 diff)

lang/actionscript/swfgmap/trunk/gyuque/gmap/ViewportUpdater.as

@@ -5 +5 @@
                 private var mCurViewport:GMapViewport = null;
                 private var mListener:IMeshMap;
+                private var mGHash:GridHash;
+                
+                private var mReqQueue:XYQueue;
                 
                 public function ViewportUpdater(listener:IMeshMap)
                 {
                         mListener = listener;
+                        mGHash = new GridHash();
                 }
                 
@@ -28 +32 @@
                 }
                 
+                private function spread(tx:int, ty:int):void
+                {
+                        checkAndLoad(tx    , ty - 1);
+                        checkAndLoad(tx + 1, ty    );
+                        checkAndLoad(tx    , ty + 1);
+                        checkAndLoad(tx - 1, ty    );
+                }
+                
+                private function checkAndLoad(tx:int, ty:int):void
+                {
+                        if (!mGHash.peek(tx, ty))
+                        {
+                                mGHash.poke(tx, ty, 1);
+                                mListener.loadTile(tx, ty);
+                        }
+                }
+                
                 private function loadCenterTile():void
                 {
@@ -34 +55 @@
 
                         mListener.setTileOffset(tiledata.offset.x, tiledata.offset.y);
-                        mListener.loadTile(tiledata.tile_index.x, tiledata.tile_index.y);
+                        
+                        checkAndLoad(tiledata.tile_index.x, tiledata.tile_index.y);
+                        spread(tiledata.tile_index.x, tiledata.tile_index.y);
                 }
         }
 }
+
+class XYQueue
+{
+        private var Xs:Array;
+        private var Ys:Array;
+        
+        public function consume(out:Object):Boolean
+        {
+                if (Xs.length < 1) return false;
+                
+                out.x = Xs.shift();
+                out.y = Ys.shift();
+                return true;
+        }
+        
+        public function get empty():Boolean
+        {
+                return Xs.length < 1;
+        }
+        
+        public function push(x:int, y:int):void
+        {
+                Xs.push(x);
+                Ys.push(y);
+        }
+}

lang/actionscript/swfgmap/trunk/gyuque/gmap/googlemaps/GMapMapLayer.as

@@ -45 +45 @@
                         var tile:GMapMapTile = new GMapMapTile(tx, ty, GMapCalc.calcMapsZoomIndex(mViewport.zoom));
                         
-                        addChild(tile.loadTile());
+                        addChild(tile);
+                        tile.loadTile();
+//                      addChild(tile.loadTile());
                                 
                         var c:int = GMapCalc.TILE_SIZE/2;

lang/actionscript/swfgmap/trunk/gyuque/gmap/googlemaps/GMapMapTile.as

@@ -3 +3 @@
         import flash.display.*;
         import flash.net.URLRequest;
+        
+        import gyuque.gmap.*;
         
         public class GMapMapTile extends Loader
@@ -10 +12 @@
                 {
                         var server_index:int = tx%4;
-                        mTileURL = "http://mt"+server_index+".google.com/mt?n=404&v=w2.61&x="+tx+"&y="+ty+"&zoom="+z;
+                        mTileURL = "http://mt"+server_index+".google.com/mt?n=404&v=ap.63&x="+tx+"&y="+ty+"&zoom="+z;
                 }
                 
                 public function loadTile():Loader
                 {
+                GMapView(stage.getChildAt(0)).puts(mTileURL);
                         var req:URLRequest = new URLRequest(mTileURL);
                         load(req);

lang/actionscript/swfgmap/trunk/testapp.html

@@ -6 +6 @@
                 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
                 <title>TestApp</title>
+                <script src="http://maps.google.com/maps?file=api&amp;v=2"></script>
+                <script src="./helper-js/getTileVer.js"></script>
         </head>
         <body>