create Xcode project for mac for bundled app

engine/asset.cpp

@@ -2,7 +2,7 @@
 #include "log.h"
 #include "asset.h"
 
-#ifdef __IOS__
+#ifdef __APPLE__
 #include <Foundation/Foundation.h>
 #endif
 
@@ -24,11 +24,12 @@ bool Asset::open(const char* path)
     m_len = (int)AAsset_getLength(m_asset);
     m_data = (uint8_t*)AAsset_getBuffer(m_asset);
 #else
-#ifdef __IOS__
-    NSString* bundle_path = [[NSBundle mainBundle] bundlePath];
+#ifdef __APPLE__
+    NSString* bundle_path = [[NSBundle mainBundle] resourcePath];
     std::string base = [bundle_path cStringUsingEncoding:1];
     file_path = base + "/" + path;
 #endif
+    LOG("asset file: %s", file_path.c_str());
     if (!(m_fp = fopen(file_path.c_str(), "rb")))
     {
         LOG("errno = %d", errno);