~ WIP port emscripen (WebGL)

include/Nazara/Utility/BasicMainloop.hpp

@@ -0,0 +1,43 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Utility module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_BASIC_MAINLOOP_HPP
+#define NAZARA_BASIC_MAINLOOP_HPP
+
+#include <Nazara/Renderer.hpp>
+
+#ifdef NAZARA_PLATFORM_WEB
+#include <emscripten/html5.h>
+#endif
+
+namespace Nz
+{
+	template <typename CallbackT>
+	void BasicMainloop(RenderWindow& window, CallbackT&& callback)
+	{
+#ifndef NAZARA_PLATFORM_WEB
+		while (window.IsOpen())
+		{
+			callback();
+		}
+#else
+		emscripten_set_main_loop_arg([] (void* callbackInstance)
+		{
+			try
+			{
+				(*static_cast<decltype(&callback)>(callbackInstance))();
+			}
+			catch(std::exception e)
+			{
+				NazaraDebug(e.what());
+			}
+		}, &callback, 0, 1);
+#endif
+	}
+}
+
+
+#endif // NAZARA_BASIC_MAINLOOP_HPP