char *D_FindWADByName(char *name)
{
char *path;
int i;
// Absolute path?
if (M_FileExists(name))
return name;
BuildIWADDirList();
// Search through all IWAD paths for a file with the given name.
for (i = 0; i < num_iwad_dirs; ++i)
{
// As a special case, if this is in DOOMWADDIR or DOOMWADPATH,
// the "directory" may actually refer directly to an IWAD
// file.
if (D_CheckFilename(iwad_dirs[i], name) && M_FileExists(iwad_dirs[i]))
return strdup(iwad_dirs[i]);
// Construct a string for the full path
path = M_StringJoin(iwad_dirs[i], DIR_SEPARATOR_S, name, NULL);
if (M_FileExists(path))
return path;
free(path);
}
// File not found
return NULL;
}
char *D_FindIWAD(int mask, GameMission_t *mission)
{
char *result;
char *iwadfile;
int iwadparm;
int i;
// Check for the -iwad parameter
//!
// Specify an IWAD file to use.
//
// @arg <file>
//
iwadparm = M_CheckParmWithArgs("-iwad", 1);
if (iwadparm)
{
// Search through IWAD dirs for an IWAD with the given name.
iwadfile = myargv[iwadparm + 1];
result = D_FindWADByName(iwadfile);
if (result == NULL)
{
I_Error("IWAD file '%s' not found!", iwadfile);
}
*mission = IdentifyIWADByName(result, mask);
}
else
{
// Search through the list and look for an IWAD
result = NULL;
BuildIWADDirList();
for (i=0; result == NULL && i<num_iwad_dirs; ++i)
{
result = SearchDirectoryForIWAD(iwad_dirs[i], mask, mission);
}
}
return result;
}
char *D_FindWADByName(char *name)
{
char *buf;
int i;
// Absolute path?
if (M_FileExists(name))
{
return name;
}
BuildIWADDirList();
// Search through all IWAD paths for a file with the given name.
for (i=0; i<num_iwad_dirs; ++i)
{
// As a special case, if this is in DOOMWADDIR or DOOMWADPATH,
// the "directory" may actually refer directly to an IWAD
// file.
if (DirIsFile(iwad_dirs[i], name) && M_FileExists(iwad_dirs[i]))
{
return strdup(iwad_dirs[i]);
}
// Construct a string for the full path
buf = malloc(strlen(iwad_dirs[i]) + strlen(name) + 5);
sprintf(buf, "%s%c%s", iwad_dirs[i], DIR_SEPARATOR, name);
if (M_FileExists(buf))
{
return buf;
}
free(buf);
}
// File not found
return NULL;
}
void D_FindInstalledIWADs(void)
{
uint32_t i;
int32_t result;
BuildIWADDirList();
result = 0;
for (i=0; i<arrlen(iwads); ++i)
{
if (D_FindWADByName(iwads[i].name) != NULL)
{
result |= 1 << i;
}
}
exit(result);
}