From faddbd8e7123eb1a4249879d9acda96a1cea39e0 Mon Sep 17 00:00:00 2001
From: XiaoFeng <xiaofeng@chukong-inc.com>
Date: Thu, 23 Apr 2015 16:50:28 +0800
Subject: [PATCH] Add function to texture cache for studio to check if texture
 have been already loaded

---
 cocos/2d/CCSpriteFrameCache.cpp   | 12 ++++++++++++
 cocos/2d/CCSpriteFrameCache.h     |  9 +++++++++
 cocos/renderer/CCTextureCache.cpp | 15 +++++++++++++++
 cocos/renderer/CCTextureCache.h   |  7 +++++++
 4 files changed, 43 insertions(+)

diff --git a/cocos/2d/CCSpriteFrameCache.cpp b/cocos/2d/CCSpriteFrameCache.cpp
index 00b9eb40af..b7c5ed12ed 100644
--- a/cocos/2d/CCSpriteFrameCache.cpp
+++ b/cocos/2d/CCSpriteFrameCache.cpp
@@ -292,6 +292,18 @@ void SpriteFrameCache::addSpriteFramesWithFile(const std::string& plist)
     }
 }
 
+bool SpriteFrameCache::isSpriteFramesWithFileLoaded(const std::string& plist)
+{
+    bool result = false;
+
+    if (_loadedFileNames->find(plist) != _loadedFileNames->end())
+    {
+        result = true;
+    }
+
+    return result;
+}
+
 void SpriteFrameCache::addSpriteFrame(SpriteFrame* frame, const std::string& frameName)
 {
     _spriteFrames.insert(frameName, frame);
diff --git a/cocos/2d/CCSpriteFrameCache.h b/cocos/2d/CCSpriteFrameCache.h
index 05cbaee416..7b035c65ac 100644
--- a/cocos/2d/CCSpriteFrameCache.h
+++ b/cocos/2d/CCSpriteFrameCache.h
@@ -140,6 +140,15 @@ public:
      */
     void addSpriteFrame(SpriteFrame *frame, const std::string& frameName);
 
+    /** Check if multiple Sprite Frames from a plist file have been loaded.
+    * @js NA
+    * @lua NA
+    *
+    * @param plist Plist file name.
+    * @return True if the file is loaded.
+    */
+    bool isSpriteFramesWithFileLoaded(const std::string& plist);
+
     /** Purges the dictionary of loaded sprite frames.
      * Call this method if you receive the "Memory Warning".
      * In the short term: it will free some resources preventing your app from being killed.
diff --git a/cocos/renderer/CCTextureCache.cpp b/cocos/renderer/CCTextureCache.cpp
index 239d4278e9..89f66b1ddf 100644
--- a/cocos/renderer/CCTextureCache.cpp
+++ b/cocos/renderer/CCTextureCache.cpp
@@ -403,6 +403,21 @@ Texture2D* TextureCache::addImage(Image *image, const std::string &key)
     return texture;
 }
 
+bool TextureCache::isTextureLoaded(const std::string& fileName)
+{
+    bool result = false;
+
+    std::string fullpath = FileUtils::getInstance()->fullPathForFilename(fileName);
+    if (fullpath.size() > 0)
+    {
+        if (_textures.find(fullpath) != _textures.end()) {
+            result = true;
+        }
+    }
+
+    return result;
+}
+
 bool TextureCache::reloadTexture(const std::string& fileName)
 {
     Texture2D * texture = nullptr;
diff --git a/cocos/renderer/CCTextureCache.h b/cocos/renderer/CCTextureCache.h
index ac22103f4a..9ae08cb47c 100644
--- a/cocos/renderer/CCTextureCache.h
+++ b/cocos/renderer/CCTextureCache.h
@@ -151,6 +151,13 @@ public:
     Texture2D* getTextureForKey(const std::string& key) const;
     CC_DEPRECATED_ATTRIBUTE Texture2D* textureForKey(const std::string& key) const { return getTextureForKey(key); }
 
+    /** Check if texture file have already been loaded to cache.
+    * If the file have been loaded before, return true; otherwise return false.
+    * @param fileName It's the related/absolute path of the file image.
+    * @return True if the texture file is loaded.
+    */
+    bool isTextureLoaded(const std::string& fileName);
+
     /** Reload texture from the image file.
     * If the file image hasn't loaded before, load it.
     * Otherwise the texture will be reloaded from the file image.