XCEngine/new_editor/app/Bootstrap/ApplicationRunLoop.cpp

#include "Bootstrap/Application.h"

#include "Platform/Win32/EditorWindowManager.h"

namespace XCEngine::UI::Editor {

int Application::Run(HINSTANCE hInstance, int nCmdShow) {
    if (!Initialize(hInstance, nCmdShow)) {
        Shutdown();
        return 1;
    }

    constexpr int kMaxMessagesPerTick = 64;
    MSG message = {};
    while (true) {
        int processedMessageCount = 0;
        while (processedMessageCount < kMaxMessagesPerTick &&
               PeekMessageW(&message, nullptr, 0U, 0U, PM_REMOVE)) {
            if (message.message == WM_QUIT) {
                Shutdown();
                return static_cast<int>(message.wParam);
            }

            TranslateMessage(&message);
            DispatchMessageW(&message);
            ++processedMessageCount;
        }

        if (m_windowManager != nullptr) {
            m_windowManager->DestroyClosedWindows();
            if (!m_windowManager->HasWindows()) {
                break;
            }

            m_windowManager->RenderAllWindows();
        } else {
            break;
        }
    }

    Shutdown();
    return 0;
}

} // namespace XCEngine::UI::Editor