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85c7db410d
Moved implementation to dedicated class 'CImguiSystem' with the following changes: * Added mutex for ImGui_ImplWin32_WndProcHandler(), the window proc is ran from a different thread than CImguiSystem::SampleFrame() is being called from. Needs a mutex as both functions interact with the input queue list. * Added init stages for debugging and preventing the system from running certain parts of the code if a certain stage hasn't been reached yet. * NULL out ImGuiContext::ConfigNavWindowingKeyNext , we don't need any nav window shortcuts as users don't need then in-game, and it also interferes with certain key binds some users have. * CImguiSystem::SampleFrame() (previously ImguiSystem_SampleFrame()), is now being called from CMaterialSystem::SwapBuffers(), as that function is called from the main thread while also getting updated during level loads/etc, so instead of switching between 2 static buffers for as long as the levels are being loaded, we imgui updates properly too and directly swap afterwards. * Removed hack in CGame::WindowProc() where we would only run windowproc if we aren't shutting the game down. This was needed as there was a chance of a crash at some rare cases, but this was simply due to a missing mutex which has been addressed and fixed as of this commit. * Lock mutex during init and shutdown.