Changeset 2477 for lang/actionscript/swfgmap

Timestamp:

12/05/07 15:55:38 (13 months ago)

Author:

gyuque

Message:

lang/actionscript/swfgmap

Location:

lang/actionscript/swfgmap/trunk/gyuque/gmap

Files:

• IMeshMap.as (modified) (1 diff)
• ViewportUpdater.as (modified) (9 diffs)
• googlemaps/GMapMapLayer.as (modified) (1 diff)

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

@@ -1 +1 @@
 package gyuque.gmap
 {
+        import flash.geom.Point;
+        
         public interface IMeshMap
         {
-                function resetPanning(tx:int, ty:int)                :void;
+                function getCurrentPanning(out:Point) :void;
+                function resetPanning(tx:int, ty:int)  :void;
                 function setTileOffset(ox:int, oy:int) :void;
                 function loadTile(tx:int, ty:int)      :void;

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

@@ -1 +1 @@
 package gyuque.gmap
 {
+        import flash.events.*;
+        import flash.utils.Timer;
+        import flash.geom.Point;
+        
         public class ViewportUpdater
         {
@@ -8 +12 @@
                 
                 private var mReqQueue:XYQueue;
+                private var mUpdateTimer:Timer;
                 
                 public function ViewportUpdater(listener:IMeshMap)
@@ -13 +18 @@
                         mListener = listener;
                         mGHash = new GridHash();
+                        mReqQueue = new XYQueue();
+                        
+                        mUpdateTimer = new Timer(100); 
+                        mUpdateTimer.addEventListener(TimerEvent.TIMER, onTimer);
+                        mUpdateTimer.start();
                 }
                 
@@ -19 +29 @@
                         var prev:GMapViewport = mCurViewport;
                         mCurViewport = v;
-                        
                         if (mCurViewport)
                         {
                                 if (prev == null)
                                         refresh();
+                        }
+                }
+                
+                private function onTimer(e:Event):void
+                {
+                        if (mReqQueue.empty)
+                                return;
+                                
+                        var j:Object = {};
+                        mReqQueue.consume(j);
+                        switch(j.v)
+                        {
+                        case 1: // load
+                                checkAndLoad(j.x, j.y);
+                                break;
                         }
                 }
@@ -34 +58 @@
                 private function spread(tx:int, ty:int):void
                 {
-                        checkAndLoad(tx    , ty - 1);
-                        checkAndLoad(tx + 1, ty    );
-                        checkAndLoad(tx    , ty + 1);
-                        checkAndLoad(tx - 1, ty    );
+                        addLoadJob(tx    , ty - 1);
+                        addLoadJob(tx + 1, ty    );
+                        addLoadJob(tx    , ty + 1);
+                        addLoadJob(tx - 1, ty    );
                 }
                 
@@ -47 +71 @@
                                 mListener.loadTile(tx, ty);
                         }
+                }
+                
+                private function addLoadJob(tx:int, ty:int):void
+                {
+                        mReqQueue.push(tx, ty, 1);
                 }
                 
@@ -65 +94 @@
 class XYQueue
 {
-        private var Xs:Array;
-        private var Ys:Array;
+        private var Xs:Array = new Array();
+        private var Ys:Array = new Array();
+        private var Vs:Array = new Array();
         
         public function consume(out:Object):Boolean
@@ -74 +104 @@
                 out.x = Xs.shift();
                 out.y = Ys.shift();
+                out.v = Vs.shift();
                 return true;
         }
@@ -82 +113 @@
         }
         
-        public function push(x:int, y:int):void
+        public function push(x:int, y:int, v:int):void
         {
                 Xs.push(x);
                 Ys.push(y);
+                Vs.push(v);
         }
 }

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

@@ -66 +66 @@
                         mCenterTY = ty;
                 }
+                
+                public function getCurrentPanning(out:Point):void
+                {
+                        out.x = x;
+                        out.x = y;
+                }
         }
 }