Fix spine issues

Author: pandamicro

cocos2d/core/sprites/CCSpriteWebGLRenderCmd.js

@@ -298,7 +298,7 @@
     proto.uploadData = function (f32buffer, ui32buffer, vertexDataOffset) {
         var node = this._node, locTexture = node._texture;
         if (!(locTexture && locTexture._textureLoaded && node._rect.width && node._rect.height) || !this._displayedOpacity)
-            return false;
+            return 0;
 
         // Fill in vertex data with quad information (4 vertices for sprite)
         var opacity = this._displayedOpacity;

extensions/spine/CCSkeleton.js

@@ -106,9 +106,18 @@ sp.Skeleton = cc.Node.extend(/** @lends sp.Skeleton# */{
     init: function () {
         cc.Node.prototype.init.call(this);
         this._premultipliedAlpha = (cc._renderType === cc.game.RENDER_TYPE_WEBGL && cc.OPTIMIZE_BLEND_FUNC_FOR_PREMULTIPLIED_ALPHA);
+    },
+
+    onEnter: function () {
+        cc.Node.prototype.onEnter.call(this);
         this.scheduleUpdate();
     },
 
+    onExit: function () {
+        this.unscheduleUpdate();
+        cc.Node.prototype.onExit.call(this);
+    },
+
     /**
      * Sets whether open debug slots.
      * @param {boolean} enable true to open, false to close.

extensions/spine/CCSkeletonCanvasRenderCmd.js

@@ -102,8 +102,8 @@ proto.rendering = function (wrapper, scaleX, scaleY) {
 proto.updateStatus = function() {
     this.originUpdateStatus();
     this._updateCurrentRegions();
-    this._regionFlag = _ccsg.Node.CanvasRenderCmd.RegionStatus.DirtyDouble;
-    this._dirtyFlag &= ~_ccsg.Node._dirtyFlags.contentDirty;
+    this._regionFlag = cc.Node.CanvasRenderCmd.RegionStatus.DirtyDouble;
+    this._dirtyFlag &= ~cc.Node._dirtyFlags.contentDirty;
 };
 
 proto.getLocalBB = function() {

extensions/spine/CCSkeletonWebGLRenderCmd.js

@@ -246,8 +246,8 @@ proto._uploadRegionAttachmentData = function(attachment, slot, premultipliedAlph
         var srcIdx = i < 4 ? i % 3 : i - 2;
         var vx = vertices[srcIdx * 8],
             vy = vertices[srcIdx * 8 + 1];
-        var x = vx * wa + vy * wb + wx,
-            y = vx * wc + vy * wd + wy;
+        var x = vx * wa + vy * wc + wx,
+            y = vx * wb + vy * wd + wy;
         var r = vertices[srcIdx * 8 + 2] * nodeR,
             g = vertices[srcIdx * 8 + 3] * nodeG,
             b = vertices[srcIdx * 8 + 4] * nodeB,
@@ -290,8 +290,8 @@ proto._uploadMeshAttachmentData = function(attachment, slot, premultipliedAlpha,
     for (var i = 0, n = vertices.length; i < n; i += 8) {
         var vx = vertices[i],
             vy = vertices[i + 1];
-        var x = vx * wa + vy * wb + wx,
-            y = vx * wc + vy * wd + wy;
+        var x = vx * wa + vy * wc + wx,
+            y = vx * wb + vy * wd + wy;
         var r = vertices[i + 2] * nodeR,
             g = vertices[i + 3] * nodeG,
             b = vertices[i + 4] * nodeB,