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/*
client/video.cc
This file is part of the Osirion project and is distributed under
the terms and conditions of the GNU General Public License version 2
*/
#include "client/video.h"
#include "client/input.h"
#include "client/view.h"
#include "client/client.h"
#include "render/camera.h"
#include "render/render.h"
#include "render/tga.h"
#include "render/pngfile.h"
#include "render/jpgfile.h"
#include "core/core.h"
#include "filesystem/filesystem.h"
#include "sys/sys.h"
#include "ui/ui.h"
#include <SDL/SDL.h>
using namespace render;
namespace client {
namespace video {
float fullscreen = 0;
int bpp = 0;
int flags = 0;
int width = 0;
int height = 0;
int width_prev = 0;
int height_prev = 0;
const int width_default = 1024;
const int height_default = 768;
/* -- engine variables --------------------------------------------- */
core::Cvar *r_width;
core::Cvar *r_height;
core::Cvar *r_fullscreen;
bool init()
{
con_print << "^BInitializing video..." << std::endl;
// initialize cvars
r_width = core::Cvar::get("r_width", width_default, core::Cvar::Archive);
r_width->set_info("[int] video resolution width");
r_height = core::Cvar::get("r_height", height_default, core::Cvar::Archive);
r_height->set_info("[int] video resolution height");
r_fullscreen = core::Cvar::get("r_fullscreen", "0", core::Cvar::Archive);
r_fullscreen->set_info("[bool] enable or disable fullscreen video");
if( SDL_InitSubSystem(SDL_INIT_VIDEO) < 0 ) {
con_error << "SDL_InitSubSystem() failed: " << SDL_GetError() << std::endl;
return false;
}
const SDL_VideoInfo* sdl_videoinfo = SDL_GetVideoInfo();
if( !sdl_videoinfo) {
con_error << "SDL_GetVideoInfo() failed: " << SDL_GetError() << std::endl;
return false;
}
width_prev = width;
height_prev = height;
width = (int) r_width->value();
height = (int) r_height->value();
bpp = sdl_videoinfo->vfmt->BitsPerPixel;
if (bpp == 32) {
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, 8);
} else if (bpp == 24) {
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 6);
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 6);
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 6);
SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, 6);
} else if (bpp == 16) {
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 4);
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 4);
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 4);
SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, 4);
} else {
con_warn << "Display depth " << bpp << " is not supported!" << std::endl;
}
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1);
fullscreen = r_fullscreen->value();
if (r_fullscreen->value()) {
flags = SDL_OPENGL | SDL_FULLSCREEN;
} else {
flags = SDL_OPENGL;
#ifndef _WIN32
flags |= SDL_RESIZABLE;
#endif
}
if(!SDL_SetVideoMode(width, height, bpp, flags )) {
con_warn << "Failed to set video mode " << width << "x" << height << "x" << bpp << "bpp" << std::endl;
if (width_prev && height_prev) {
width = width_prev;
height = height_prev;
if(!SDL_SetVideoMode(width, height, bpp, flags )) {
con_error << "Failed to restore video mode " << width << "x" << height << "x" << bpp << "bpp" << std::endl;
return false;
}
} else
return false;
}
con_print << " video mode " << width << "x" << height << "x" << bpp << "bpp " << (fullscreen ? "fullscreen " : "window") << std::endl;
#ifdef HAVE_DEBUG_MESSAGES
int red, green, blue, alpha, depth;
SDL_GL_GetAttribute( SDL_GL_RED_SIZE, &red);
SDL_GL_GetAttribute( SDL_GL_GREEN_SIZE, &green);
SDL_GL_GetAttribute( SDL_GL_RED_SIZE, &blue);
SDL_GL_GetAttribute( SDL_GL_ALPHA_SIZE, &alpha);
SDL_GL_GetAttribute( SDL_GL_DEPTH_SIZE, &depth);
con_debug << " visual r: " << red << " g: " << green << " blue: " << blue << " alpha: " << alpha << " depth: " << depth << std::endl;
#endif // HAVE_DEBUG_MESSAGES
// save r_width and r_height variables
(*r_width) = width;
(*r_height) = height;
// set window caption
std::string version(core::name());
version += ' ';
version.append(core::version());
SDL_WM_SetCaption(version.c_str(), 0);
// resize user interface
ui::root()->set_size((float) width, (float) height);
ui::root()->event_resize();
// to grab or not to grab
if (ui::console()->visible()) {
SDL_WM_GrabInput(SDL_GRAB_OFF);
SDL_ShowCursor(SDL_ENABLE);
} else {
SDL_WM_GrabInput(SDL_GRAB_ON);
SDL_ShowCursor(SDL_DISABLE);
}
// initialize renderer
render::init();
render::resize(width, height);
view::init();
return true;
}
void resize(int w, int h)
{
if (fullscreen)
return;
if (w < 320) w = 320;
if (h < 200) h = 200;
if (SDL_SetVideoMode(w, h, bpp, flags )) {
render::resize(w, h);
ui::root()->set_size(w, h);
ui::root()->event_resize();
} else {
con_warn << "Could not resize window!" << std::endl;
}
}
void restart()
{
shutdown();
if (!init()) {
client()->quit(1);
}
input::reset();
}
void frame(float elapsed)
{
// detect fullscreen/windowed mode switch
if (fullscreen != r_fullscreen->value())
restart();
// render a client frame
view::frame(elapsed);
SDL_GL_SwapBuffers();
}
void shutdown()
{
con_print << "^BShutting down video..." << std::endl;
view::shutdown();
render::shutdown();
width = 0;
height = 0;
SDL_QuitSubSystem(SDL_INIT_VIDEO);
}
} // namespace video
} // namespace client
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