moving to a structure in visual representing the underlying APIs first and then layering on top the scene graph. Various other additions and fixes.

src/system/CMakeLists.txt

@@ -1,14 +1,16 @@
 
 set(hdrs
-	include/pw/system/window.hpp
-	include/pw/system/input.hpp
 	include/pw/system/display.hpp
+	include/pw/system/input.hpp
+	include/pw/system/path.hpp
+	include/pw/system/window.hpp
 	)
 
 set(srcs
 	src/display.cpp
-	src/window.cpp
+	src/path.cpp
 	src/input.cpp
+	src/window.cpp
 	)
 
 add_library(pwsystem

src/system/include/pw/system/path.hpp

@@ -0,0 +1,38 @@
+#ifndef PW_SYSTEM_PATH_HPP
+#define PW_SYSTEM_PATH_HPP
+
+#include <pw/core/globals.hpp>
+
+namespace pw {
+
+
+class path {
+public:
+
+	static path& get();
+	~path();
+
+	std::string separator();
+
+	std::string executable_path();
+
+	typedef std::vector<std::string> path_list;
+
+
+
+protected:
+
+	path_list _plugin_paths;
+	path_list _resource_paths;
+
+	path();
+
+	struct impl;
+	std::unique_ptr<impl> _impl;
+
+
+};
+
+}
+
+#endif

src/system/src/path.cpp

@@ -0,0 +1,94 @@
+#include "pw/system/path.hpp"
+
+#if defined(_WIN32) || defined(_WIN64) || defined(_WIN32_WCE)
+	#define WIN32_LEAN_AND_MEAN
+	#include <windows.h>
+	#include <tchar.h>
+	#include <direct.h>
+#elif defined(__APPLE__)
+	#include <CoreFoundation/CoreFoundation.h>
+	#include <unistd.h>
+	#if defined(__MACH__)
+		#include <mach/mach.h>
+	#endif
+//	#include "_host/helpers_osx.h"
+#elif defined(TP_HAVE_UNISTD_H)
+	#include <unistd.h>
+#else
+	// Unknown platform
+#endif
+
+namespace pw {
+
+
+struct path::impl {
+
+	path &host;
+
+	impl(path &host_) : host(host_) {}
+
+};
+
+
+
+//
+//
+//
+path &path::get()
+{
+	static path instance;
+	return instance;
+}
+
+path::~path()
+{
+}
+
+std::string path::separator()
+{
+#if defined(WIN32)
+	return std::string("\");
+#else
+	return std::string("/");
+#endif
+}
+
+std::string path::executable_path()
+{
+	std::string result;
+
+	const unsigned int MAXPATHLEN = 2048;
+	static char path[MAXPATHLEN];
+	memset(&path[0],0,MAXPATHLEN);
+
+#if defined(__APPLE__)
+	CFURLRef bundleURL;
+	CFStringRef pathStr;
+	CFBundleRef mainBundle = CFBundleGetMainBundle();
+
+	bundleURL = CFBundleCopyExecutableURL(mainBundle);
+	pathStr = CFURLCopyFileSystemPath(bundleURL, kCFURLPOSIXPathStyle);
+	CFStringGetCString(pathStr, path, MAXPATHLEN, kCFStringEncodingASCII);
+
+	result.assign(&path[0]);
+
+	CFRelease(pathStr);
+	CFRelease(bundleURL);
+
+#elif defined(_WIN32) || defined(_WIN64) || defined(_WIN32_WCE)
+	static TCHAR lpFname[MAXPATHLEN];
+	DWORD ret = GetModuleFileName( NULL, &lpFname[0], MAXPATHLEN );
+	result.assign(&lpFname[0]);
+#else
+	readlink("/proc/self/exe", path, sizeof(path));
+	result.assign(path);
+#endif
+	return result;
+}
+
+path::path()
+{
+	_impl = std::make_unique<impl>(*this);
+}
+
+}