C++: Added TextureLoadHandler

gree · Feb 6, 2014 · c03cab1 · c03cab1
1 parent 74ad601
commit c03cab1
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Showing 4 changed files with 35 additions and 5 deletions.
diff --git a/cplusplus/cocos2dx/lwf_cocos2dx_bitmap.cpp b/cplusplus/cocos2dx/lwf_cocos2dx_bitmap.cpp
@@ -201,7 +201,12 @@ LWFBitmapRenderer::LWFBitmapRenderer(
 	const Format::TextureFragment &f =
 		l->data->textureFragments[b.textureFragmentId];
 	const Format::Texture &t = l->data->textures[f.textureId];
-	string filename = node->basePath + t.GetFilename(l->data.get());
+	string texturePath = t.GetFilename(l->data.get());
+	string filename = node->basePath + texturePath;
+
+	if (LWF::GetTextureLoadHandler())
+		filename = LWF::GetTextureLoadHandler()(
+			filename, node->basePath, texturePath);
 
 	m_sprite = LWFBitmap::create(filename.c_str(), t, f, bx);
 	if (!m_sprite)
@@ -223,7 +228,12 @@ LWFBitmapRenderer::LWFBitmapRenderer(
 	const Format::TextureFragment &f =
 		l->data->textureFragments[bx.textureFragmentId];
 	const Format::Texture &t = l->data->textures[f.textureId];
-	string filename = node->basePath + t.GetFilename(l->data.get());
+	string texturePath = t.GetFilename(l->data.get());
+	string filename = node->basePath + texturePath;
+
+	if (LWF::GetTextureLoadHandler())
+		filename = LWF::GetTextureLoadHandler()(
+			filename, node->basePath, texturePath);
 
 	m_sprite = LWFBitmap::create(filename.c_str(), t, f, bx);
 	if (!m_sprite)

diff --git a/cplusplus/core/lwf_core.cpp b/cplusplus/core/lwf_core.cpp
@@ -29,6 +29,7 @@ namespace LWF {
 
 int LWF::m_instanceOffset = 0;
 int LWF::m_iObjectOffset = 0;
+TextureLoadHandler LWF::m_textureLoadHandler = 0;
 float LWF::ROUND_OFF_TICK_RATE = 0.05f;
 
 LWF::LWF(shared_ptr<Data> d, shared_ptr<IRendererFactory> r, void *l)
@@ -737,4 +738,14 @@ void LWF::ClearTextRenderer(string textName)
 		it->second.second = 0;
 }
 
+void LWF::SetTextureLoadHandler(TextureLoadHandler h)
+{
+	m_textureLoadHandler = h;
+}
+
+TextureLoadHandler LWF::GetTextureLoadHandler()
+{
+	return m_textureLoadHandler;
+}
+
 }	// namespace LWF
diff --git a/cplusplus/core/lwf_core.h b/cplusplus/core/lwf_core.h
@@ -53,6 +53,7 @@ typedef vector<pair<int, ExecHandler> > ExecHandlerList;
 typedef map<string, pair<string, TextRenderer *> > TextDictionary;
 typedef map<int, bool> EventFunctions;
 typedef vector<int> RenderingModes;
+typedef function<string (string, string, string)> TextureLoadHandler;
 
 class LWF
 {
@@ -67,6 +68,7 @@ class LWF
 private:
 	static int m_instanceOffset;
 	static int m_iObjectOffset;
+	static TextureLoadHandler m_textureLoadHandler;
 
 public:
 	shared_ptr<Data> data;
@@ -319,6 +321,9 @@ class LWF
 	void SetAlphaMovie(string instanceName, float v);
 	void SetColorTransformMovie(string instanceName, const ColorTransform *c);
 
+	static void SetTextureLoadHandler(TextureLoadHandler h);
+	static TextureLoadHandler GetTextureLoadHandler();
+
 #if defined(LWF_USE_LUA)
 	void InitLua();
 	void DestroyLua();

diff --git a/cplusplus/uikit/LWFResourceCache.mm b/cplusplus/uikit/LWFResourceCache.mm
@@ -166,11 +166,15 @@
 	const string &dataPath, const string &texturePath)
 {
 	size_t pos = dataPath.find_last_of('/');
-	string path;
+	string basePath;
 	if (pos == string::npos)
-		path = texturePath;
+		basePath = "";
 	else
-		path = dataPath.substr(0, pos + 1) + texturePath;
+		basePath = dataPath.substr(0, pos + 1);
+	string path = basePath + texturePath;
+
+	if (LWF::GetTextureLoadHandler())
+		path = LWF::GetTextureLoadHandler()(path, basePath, texturePath);
 
 	{
 		Autolock lock(m_textureSemaphore);