libRocket/Samples/basic/loaddocument/src/main.cpp

/*
 * This source file is part of libRocket, the HTML/CSS Interface Middleware
 *
 * For the latest information, see http://www.librocket.com
 *
 * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

#include <Rocket/Core.h>
#include <Rocket/Debugger.h>
#include <Input.h>
#include <Shell.h>

Rocket::Core::Context* context = NULL;

void GameLoop()
{
	glClear(GL_COLOR_BUFFER_BIT);

	context->Update();
	context->Render();

	Shell::FlipBuffers();
}

#if defined ROCKET_PLATFORM_WIN32
#include <windows.h>
int APIENTRY WinMain(HINSTANCE ROCKET_UNUSED(instance_handle), HINSTANCE ROCKET_UNUSED(previous_instance_handle), char* ROCKET_UNUSED(command_line), int ROCKET_UNUSED(command_show))
#else
int main(int ROCKET_UNUSED(argc), char** ROCKET_UNUSED(argv))
#endif
{
	// Generic OS initialisation, creates a window and attaches OpenGL.
	if (!Shell::Initialise("../Samples/basic/loaddocument/") ||
		!Shell::OpenWindow("Load Document Sample", true))
	{
		Shell::Shutdown();
		return -1;
	}

	// Rocket initialisation.
	ShellRenderInterfaceOpenGL opengl_renderer;
	Rocket::Core::SetRenderInterface(&opengl_renderer);

	ShellSystemInterface system_interface;
	Rocket::Core::SetSystemInterface(&system_interface);

	Rocket::Core::Initialise();

	// Create the main Rocket context and set it on the shell's input layer.
	context = Rocket::Core::CreateContext("main", Rocket::Core::Vector2i(1024, 768));
	if (context == NULL)
	{
		Rocket::Core::Shutdown();
		Shell::Shutdown();
		return -1;
	}

	Rocket::Debugger::Initialise(context);
	Input::SetContext(context);

	Shell::LoadFonts("../../assets/");

	// Load and show the demo document.
	Rocket::Core::ElementDocument* document = context->LoadDocument("../../assets/demo.rml");
	if (document != NULL)
	{
		document->Show();
		document->RemoveReference();
	}

	Shell::EventLoop(GameLoop);

	// Shutdown Rocket.
	context->RemoveReference();
	Rocket::Core::Shutdown();

	Shell::CloseWindow();
	Shell::Shutdown();

	return 0;
}