Board.KolibriOS.org

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//
// IdentifyVersion
// Checks availability of IWAD files by name,
// to determine whether registered/commercial features
// should be executed (notably loading PWAD's).
//
void IdentifyVersion (void)
{
 
    char*       doom1wad;
    char*       doomwad;
    char*       doomuwad;
    char*       doom2wad;
 
    char*       doom2fwad;
    char*       plutoniawad;
    char*       tntwad;
 
    char *home;
    char *doomwaddir;
//    doomwaddir = getenv("DOOMWADDIR");
//    if (!doomwaddir)
    doomwaddir = ".";
 
    // Commercial.
    doom2wad = malloc(strlen(doomwaddir)+1+9+1);
    sprintf(doom2wad, "%s/doom2.wad", doomwaddir);
    // Retail.
    doomuwad = malloc(strlen(doomwaddir)+1+8+1);
    sprintf(doomuwad, "%s/doomu.wad", doomwaddir);
   
    // Registered.
    doomwad = malloc(strlen(doomwaddir)+1+8+1);
    sprintf(doomwad, "%s/doom.wad", doomwaddir);
   
    // Shareware.
    doom1wad = malloc(strlen(doomwaddir)+1+9+1);
    sprintf(doom1wad, "%s/doom1.wad", doomwaddir);
 
     // Bug, dear Shawn.
    // Insufficient malloc, caused spurious realloc errors.
    plutoniawad = malloc(strlen(doomwaddir)+1+/*9*/12+1);
    sprintf(plutoniawad, "%splutonia.wad", doomwaddir);
 
    tntwad = malloc(strlen(doomwaddir)+1+9+1);
    sprintf(tntwad, "%s/tnt.wad", doomwaddir);
 
    // French stuff.
    doom2fwad = malloc(strlen(doomwaddir)+1+10+1);
    sprintf(doom2fwad, "%s/doom2f.wad", doomwaddir);
 
//    home = getenv("HOME");
//    if (!home)
    home = ".";
    sprintf(basedefault, "%s/doomrc.txt", home);
 
    if (M_CheckParm ("-shdev"))
    {
        gamemode = shareware;
        devparm = true;
        D_AddFile (DEVDATA"doom1.wad");
        D_AddFile (DEVMAPS"data_se/texture1.lmp");
        D_AddFile (DEVMAPS"data_se/pnames.lmp");
        strcpy (basedefault,DEVDATA"default.cfg");
        return;
    }
 
    if (M_CheckParm ("-regdev"))
    {
        gamemode = registered;
        devparm = true;
        D_AddFile (DEVDATA"doom.wad");
        D_AddFile (DEVMAPS"data_se/texture1.lmp");
        D_AddFile (DEVMAPS"data_se/texture2.lmp");
        D_AddFile (DEVMAPS"data_se/pnames.lmp");
        strcpy (basedefault,DEVDATA"default.cfg");
        return;
    }
 
    if (M_CheckParm ("-comdev"))
    {
        gamemode = commercial;
        devparm = true;
        /* I don't bother
        if(plutonia)
            D_AddFile (DEVDATA"plutonia.wad");
        else if(tnt)
            D_AddFile (DEVDATA"tnt.wad");
        else*/
            D_AddFile (DEVDATA"doom2.wad");
           
        D_AddFile (DEVMAPS"cdata/texture1.lmp");
        D_AddFile (DEVMAPS"cdata/pnames.lmp");
        strcpy (basedefault,DEVDATA"default.cfg");
        return;
    }
 
    if ( !access (doom2fwad,R_OK) )
    {
        gamemode = commercial;
        // C'est ridicule!
        // Let's handle languages in config files, okay?
        language = french;
        D_AddFile (doom2fwad);
        return;
    }
 
    if ( !access (doom2wad,R_OK) )
    {
        gamemode = commercial;
        D_AddFile (doom2wad);
        return;
    }
 
    if ( !access (plutoniawad, R_OK ) )
    {
      gamemode = commercial;
      D_AddFile (plutoniawad);
      return;
    }
 
    if ( !access ( tntwad, R_OK ) )
    {
      gamemode = commercial;
      D_AddFile (tntwad);
      return;
    }
 
    if ( !access (doomuwad,R_OK) )
    {
      gamemode = retail;
      D_AddFile (doomuwad);
      return;
    }
 
    if ( !access (doomwad,R_OK) )
    {
      gamemode = registered;
      D_AddFile (doomwad);
      return;
    }
 
    if ( !access (doom1wad,R_OK) )
    {
      gamemode = shareware;
      D_AddFile (doom1wad);
      return;
    }
 
    printf("Game mode indeterminate.\n");
    gamemode = indetermined;
 
    // We don't abort. Let's see what the PWAD contains.
    //exit(1);
    //I_Error ("Game mode indeterminate\n");
}