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/*
* UltraStar Deluxe - Karaoke Game
*
* UltraStar Deluxe is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*/
#include "application.hpp"
#include "event_manager.hpp"
#include <exception>
#include "software_mouse_pointer.hpp"
#include "loading_frame.hpp"
#include <GL/gl.h>
namespace usdx
{
log4cxx::LoggerPtr Application::log =
log4cxx::Logger::getLogger("usdx.menu.application");
Application* Application::instance = NULL;
Application::Application(Control* parent)
: DrawableControl(parent), display(NULL), frame(NULL),
fps_manager(NULL), running(false), display_width(800),
display_height(600), frames_per_second(50)
{
SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO);
}
Application::~Application()
{
for (std::list<DrawableControl*>::iterator it =
overlays.begin(); it != overlays.end(); it++) {
delete *it;
}
overlays.clear();
if (fps_manager) {
delete fps_manager;
fps_manager = NULL;
}
SDL_Quit();
// reset instance to be able to recreate the singleton
instance = NULL;
}
Application* Application::get_instance(void)
{
if (! instance) {
instance = new Application(NULL);
}
return instance;
}
void Application::draw(void)
{
if (frame) {
frame->repaint();
}
}
void Application::repaint(void) {
DrawableControl::repaint();
for (std::list<DrawableControl*>::const_iterator it =
overlays.begin();
it != overlays.end(); it++) {
(*it)->repaint();
}
}
const Frame *Application::get_current_frame(void) const
{
return frame;
}
void Application::set_current_frame(Frame* new_frame)
{
frame = new_frame;
}
void Application::main_loop(SDL_Surface* display)
{
SDL_Event event;
EventManager event_manager;
boost::thread event_thread(boost::bind(&EventManager::handle_events, &event_manager));
overlays.push_front(new SoftwareMousePointer(NULL, &event_manager));
LoadingFrame frame;
set_current_frame(&frame);
running = true;
while (running) {
// repaint everything
repaint();
SDL_GL_SwapBuffers();
LOG4CXX_TRACE(log, L"repaint");
// poll current events
while (event_manager.available() && SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_QUIT:
running = false;
event_thread.interrupt();
default:
event_manager.add_event(event);
break;
}
}
if (running) {
// limit frames
SDL_framerateDelay(fps_manager);
}
}
event_thread.join();
}
void Application::run(void)
{
if (! display) {
// opengl settings
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
// center screen
char test[] = "SDL_VIDEO_CENTERED=center";
SDL_putenv(test);
// create screen
display = SDL_SetVideoMode(display_width,
display_height,
24,
SDL_OPENGL);
glEnable( GL_TEXTURE_2D );
glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
glViewport( 0, 0, display_width, display_height );
glClear( GL_COLOR_BUFFER_BIT );
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_COLOR_MATERIAL);
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
glOrtho(0.0f, display_width, display_height, 0.0f, -1.0f, 1.0f);
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
}
if (! display) {
LOG4CXX_ERROR(log, L"SDL_SetVideoMode failed.");
throw new std::exception();
}
init_fps_manager();
SDL_setFramerate(fps_manager, frames_per_second);
SDL_ShowCursor(SDL_DISABLE);
main_loop(display);
SDL_ShowCursor(SDL_ENABLE);
}
const int Application::get_display_width(void) const
{
return display_width;
}
const int Application::get_display_height(void) const
{
return display_height;
}
const int Application::get_frames_per_second(void) const
{
return frames_per_second;
}
void Application::set_frames_per_second(int fps)
{
this->frames_per_second = fps;
if (fps_manager) {
SDL_setFramerate(fps_manager, frames_per_second);
}
}
void Application::init_fps_manager(void)
{
if (! fps_manager) {
fps_manager = new FPSmanager();
SDL_initFramerate(fps_manager);
}
}
};
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