int CFG_OpenConfig (const char *cfg_name)
{
FILE *f;
long length;
qboolean pak;
CFG_CloseConfig ();
length = (long) COM_FOpenFile (cfg_name, &f, NULL);
pak = file_from_pak;
if (length == -1)
return -1;
cfg_file = (fshandle_t *) Z_Malloc(sizeof(fshandle_t));
cfg_file->file = f;
cfg_file->start = ftell(f);
cfg_file->pos = 0;
cfg_file->length = length;
cfg_file->pak = pak;
return 0;
}
/*
===================
VID_Init
===================
*/
void VID_Init (void)
{
static char vid_center[] = "SDL_VIDEO_CENTERED=center";
const SDL_VideoInfo *info;
int width, height, bpp;
qboolean fullscreen;
const char *read_vars[] = { "vid_fullscreen",
"vid_width",
"vid_height",
"vid_bpp",
"vid_vsync" };
#define num_readvars ( sizeof(read_vars)/sizeof(read_vars[0]) )
Cvar_RegisterVariable (&vid_fullscreen); //johnfitz
Cvar_RegisterVariable (&vid_width); //johnfitz
Cvar_RegisterVariable (&vid_height); //johnfitz
Cvar_RegisterVariable (&vid_bpp); //johnfitz
Cvar_RegisterVariable (&vid_vsync); //johnfitz
Cvar_SetCallback (&vid_fullscreen, VID_Changed_f);
Cvar_SetCallback (&vid_width, VID_Changed_f);
Cvar_SetCallback (&vid_height, VID_Changed_f);
Cvar_SetCallback (&vid_bpp, VID_Changed_f);
Cvar_SetCallback (&vid_vsync, VID_Changed_f);
Cmd_AddCommand ("vid_unlock", VID_Unlock); //johnfitz
Cmd_AddCommand ("vid_restart", VID_Restart); //johnfitz
Cmd_AddCommand ("vid_test", VID_Test); //johnfitz
Cmd_AddCommand ("vid_describecurrentmode", VID_DescribeCurrentMode_f);
Cmd_AddCommand ("vid_describemodes", VID_DescribeModes_f);
putenv (vid_center); /* SDL_putenv is problematic in versions <= 1.2.9 */
if (SDL_InitSubSystem(SDL_INIT_VIDEO) == -1)
Sys_Error("Could not initialize SDL Video");
info = SDL_GetVideoInfo();
Cvar_SetValueQuick (&vid_bpp, (float)info->vfmt->BitsPerPixel);
if (CFG_OpenConfig("config.cfg") == 0)
{
CFG_ReadCvars(read_vars, num_readvars);
CFG_CloseConfig();
}
CFG_ReadCvarOverrides(read_vars, num_readvars);
VID_InitModelist();
width = (int)vid_width.value;
height = (int)vid_height.value;
bpp = (int)vid_bpp.value;
fullscreen = (int)vid_fullscreen.value;
if (COM_CheckParm("-current"))
{
width = info->current_w;
height = info->current_h;
bpp = info->vfmt->BitsPerPixel;
fullscreen = true;
}
else
{
int p;
p = COM_CheckParm("-width");
if (p && p < com_argc-1)
{
width = Q_atoi(com_argv[p+1]);
if(!COM_CheckParm("-height"))
height = width * 3 / 4;
}
p = COM_CheckParm("-height");
if (p && p < com_argc-1)
{
height = Q_atoi(com_argv[p+1]);
if(!COM_CheckParm("-width"))
width = height * 4 / 3;
}
p = COM_CheckParm("-bpp");
if (p && p < com_argc-1)
bpp = Q_atoi(com_argv[p+1]);
if (COM_CheckParm("-window") || COM_CheckParm("-w"))
fullscreen = false;
else if (COM_CheckParm("-fullscreen") || COM_CheckParm("-f"))
fullscreen = true;
}
if (!VID_ValidMode(width, height, bpp, fullscreen))
{
width = (int)vid_width.value;
height = (int)vid_height.value;
bpp = (int)vid_bpp.value;
fullscreen = (int)vid_fullscreen.value;
}
if (!VID_ValidMode(width, height, bpp, fullscreen))
{
width = 640;
height = 480;
bpp = info->vfmt->BitsPerPixel;
fullscreen = false;
}
vid_initialized = true;
vid.maxwarpwidth = WARP_WIDTH;
vid.maxwarpheight = WARP_HEIGHT;
vid.colormap = host_colormap;
vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048));
// set window icon
PL_SetWindowIcon();
VID_SetMode (width, height, bpp, fullscreen);
GL_Init ();
GL_SetupState ();
Cmd_AddCommand ("gl_info", GL_Info_f); //johnfitz
//johnfitz -- removed code creating "glquake" subdirectory
vid_menucmdfn = VID_Menu_f; //johnfitz
vid_menudrawfn = VID_MenuDraw;
vid_menukeyfn = VID_MenuKey;
VID_Gamma_Init(); //johnfitz
VID_Menu_Init(); //johnfitz
//QuakeSpasm: current vid settings should override config file settings.
//so we have to lock the vid mode from now until after all config files are read.
vid_locked = true;
}
