set data_path to exe location on Windows because the open file dialog change the working directory, change the render loop to update only in case of an event or the animated or redraw is true

.gitignore

@@ -18,3 +18,4 @@ data/brushes
 data/thumbs
 PanoPainter.aps
 panopainter-log.txt
+*.pano

engine/app.cpp

@@ -57,6 +57,22 @@ void App::initLog()
     NSArray* paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
     NSString* docpath = [paths objectAtIndex:0];
     data_path = [docpath cStringUsingEncoding:NSASCIIStringEncoding];
+#elif _WIN32
+    //CHAR my_documents[MAX_PATH];
+    //HRESULT result = SHGetFolderPathA(NULL, CSIDL_PERSONAL, NULL, SHGFP_TYPE_CURRENT, my_documents);
+
+    //HMODULE hModule = GetModuleHandle(NULL);
+    //CHAR path[MAX_PATH];
+    //GetModuleFileNameA(hModule, path, MAX_PATH);
+    //CHAR out_drive[MAX_PATH];
+    //CHAR out_path[MAX_PATH];
+    //_splitpath(path, out_drive, out_path, nullptr, nullptr);
+    //sprintf_s(path, "%s%s", out_drive, out_path);
+    //data_path = path;
+
+    CHAR path[MAX_PATH];
+    GetCurrentDirectoryA(sizeof(path), path);
+    data_path = path;
 #endif
 
     LogRemote::I.start();

engine/main.cpp

@@ -91,9 +91,9 @@ std::string win32_open_file()
     ofn.lpstrFilter = "Image Files (*.jpg, *.png)\0*.jpg;*.png";
     ofn.lpstrFile = fileName;
     ofn.nMaxFile = MAX_PATH;
-    ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
+    ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY | OFN_NOCHANGEDIR;
     ofn.lpstrDefExt = "";
-    ofn.lpstrInitialDir = "Missions\\";
+    ofn.lpstrInitialDir = "";
     if (GetOpenFileNameA(&ofn) != NULL)
     {
         return fileName;
@@ -387,26 +387,20 @@ int main(int argc, char** argv)
     while (running)
     {
         // If there any message in the queue process it
-        if (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
+        auto present = App::I.animate || App::I.redraw ?
+            PeekMessage(&msg, 0, 0, 0, PM_REMOVE) : GetMessage(&msg, 0, 0, 0);
+        
+        if (present)
         {
             running = !(msg.message == WM_QUIT/* || gl.keys[VK_ESCAPE]*/);
             DispatchMessage(&msg);
             TranslateMessage(&msg);
         }
-        else // Otherwise render next frame
+        //else // Otherwise render next frame
         {
             t1 = GetTickCount();
             float dt = (float)(t1 - t0) / 1000.0f;
-
-            // force redraw every one second
-            one_sec += dt;
-            if (one_sec > 1.f)
-            {
-                one_sec = 0;
-                App::I.redraw = true;
-            }
-
-            if (dt > 1.0f / 60.0f)
+            if (dt > 1.0f / 60.0f || App::I.redraw)
             {
                 t0 = t1;
                 if (App::I.redraw)
@@ -421,10 +415,6 @@ int main(int argc, char** argv)
                     //LOG("swap main");
                 }
             }
-//             else
-//             {
-//                 Sleep((DWORD)(1.0f / 60.0f * 1000.f));
-//             }
         }
     }
 

engine/pch.cpp

@@ -15,4 +15,5 @@
 
 #ifdef _WIN32
     #pragma comment(lib, "BugTrapU-x64.lib")
+    #pragma comment(lib, "shell32.lib")
 #endif // _WIN32

engine/pch.h

@@ -65,7 +65,8 @@
     #include <gl\wglew.h>
     #include <gl\GL.h>
     #include <BugTrap.h>
-    
+    #include <shlobj.h>
+
     #define SHADER_VERSION "#version 150\n"
 
 #endif