gistfile1.cpp

#include "PythonInterface.h"

#include <Rocket/Core.h>
#include <Rocket/Controls.h>
#include <Rocket/Debugger.h>

#include <Input.h>
#include <Shell.h>

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

ShellRenderInterfaceExtensions *shell_renderer;

void GameLoop()
{
    context->Update();

    shell_renderer->PrepareRenderBuffer();
    context->Render();
    shell_renderer->PresentRenderBuffer();
}

int main(int argc, char** argv)
{

// @TODO Make these lookup at runtime rather than using hard coded paths
#define APP_PATH "../Samples/pyinvaders/"
#define ROCKET_PATH ""


    int window_width = 1024;
    int window_height = 768;

    ShellRenderInterfaceOpenGL opengl_renderer;
    shell_renderer = &opengl_renderer;

    // @TODO switch to using variable for window sizes
    // Generic OS initialisation, creates a window and attaches OpenGL.
    if (!Shell::Initialise(APP_PATH) ||
        !Shell::OpenWindow("Rocket Invaders from Mars (Python Powered)", shell_renderer, window_width, window_height, false))
    {
        Shell::Shutdown();
        return -1;
    }

    // Rocket initialisation.
    Rocket::Core::SetRenderInterface(&opengl_renderer);
    opengl_renderer.SetViewport(window_width, window_height);

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

    Rocket::Core::Initialise();
    // Initialise the Rocket Controls library.
    Rocket::Controls::Initialise();

    // Initialise the Python interface.
    PythonInterface::Initialise((Shell::GetExecutablePath() + (APP_PATH "python") + PATH_SEPARATOR + Shell::GetExecutablePath() + ROCKET_PATH).CString());

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

    //Rocket::Debugger::Initialise(context);
    Input::SetContext(context);
    shell_renderer->SetContext(context);

    Rocket::Core::ElementDocument* document = context->LoadDocument("data/tutorial.rml");
    if (document != NULL)
    {
        document->Show();
        document->RemoveReference();
    }

    Shell::EventLoop(GameLoop);    
    
    document->Close();

    // Shutdown the Rocket contexts.    
    context->RemoveReference();
    
    // Shutdown Python before we shut down Rocket.
    PythonInterface::Shutdown();


    // Shutdown Rocket.
    Rocket::Core::Shutdown();

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

    return 0;
}