Use My Documents/Rack for local directory on Windows

src/asset.cpp

@@ -9,6 +9,11 @@
 	#include <pwd.h>
 #endif
 
+#if ARCH_WIN
+	#include <Windows.h>
+	#include <Shlobj.h>
+#endif
+
 
 namespace rack {
 
@@ -76,9 +81,14 @@ std::string assetLocal(std::string filename) {
 	path += "/" + filename;
 #endif
 #if ARCH_WIN
-	// TODO
-	// Use ~/My Documents/Rack or something
-	path = "./" + filename;
+	// Get My Documents folder
+	char buf[MAX_PATH];
+	HRESULT result = SHGetFolderPath(NULL, CSIDL_MYDOCUMENTS, NULL, SHGFP_TYPE_CURRENT, buf);
+	assert(result == S_OK);
+	path = buf;
+	path += "/Rack";
+	CreateDirectory(path.c_str(), NULL);
+	path += "/" + filename;
 #endif
 #if ARCH_LIN
 	// TODO

src/main.cpp

@@ -10,9 +10,15 @@
 using namespace rack;
 
 int main(int argc, char* argv[]) {
-	char *cwd = getcwd(NULL, 0);
-	printf("Current working directory is %s\n", cwd);
-	free(cwd);
+	{
+		char *cwd = getcwd(NULL, 0);
+		printf("Current working directory: %s\n", cwd);
+		free(cwd);
+		std::string globalDir = assetGlobal("");
+		std::string localDir = assetLocal("");
+		printf("Global directory: %s\n", globalDir.c_str());
+		printf("Local directory: %s\n", localDir.c_str());
+	}
 
 	pluginInit();
 	engineInit();