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;
}
//
// FindIWAD
// Checks availability of IWAD files by name,
// to determine whether registered/commercial features
// should be executed (notably loading PWADs).
//
char *D_FindIWAD(void)
{
char *result = NULL;
char *iwadfile;
int 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("The IWAD file \"%s\" wasn't found!", iwadfile);
IdentifyIWADByName(result);
}
return result;
}
static int D_ChooseIWAD(void)
{
OPENFILENAME ofn;
char szFile[4096];
int iwadfound = -1;
boolean sharewareiwad = false;
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = NULL;
ofn.lpstrFile = szFile;
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = sizeof(szFile);
ofn.lpstrFilter = "IWAD/PWAD Files (*.wad)\0*.WAD\0";
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = wadfolder;
ofn.Flags = OFN_HIDEREADONLY | OFN_NOCHANGEDIR | OFN_ALLOWMULTISELECT
| OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_EXPLORER;
ofn.lpstrTitle = "Where\u2019s All the Data?\0";
if (GetOpenFileName(&ofn))
{
iwadfound = 0;
// only one file was selected
if (!ofn.lpstrFile[strlen(ofn.lpstrFile) + 1])
{
LPSTR file = ofn.lpstrFile;
wadfolder = strdup(M_ExtractFolder(file));
// check if it's a valid and supported IWAD
if (D_IsDOOMIWAD(file)
|| (W_WadType(file) == IWAD
&& !D_IsUnsupportedIWAD(file)))
{
IdentifyIWADByContents(file, &gamemode, &gamemission);
if (D_AddFile(file))
iwadfound = 1;
}
// if it's a PWAD, determine the IWAD required and try loading that as well
else if (!D_CheckFilename(file, "DOOMRETRO.WAD")
&& W_WadType(file) == PWAD
&& !D_IsUnsupportedPWAD(file))
{
int iwadrequired = IWADRequiredByPWAD(file);
static char fullpath[MAX_PATH];
if (iwadrequired == indetermined)
return 0;
sprintf(fullpath, "%s\\%s", wadfolder,
iwadrequired == doom ? "DOOM.WAD" : "DOOM2.WAD");
IdentifyIWADByName(fullpath);
if (D_AddFile(fullpath))
{
iwadfound = 1;
if (W_MergeFile(file))
{
modifiedgame = true;
if (D_CheckFilename(file, "NERVE.WAD"))
nerve = true;
}
}
}
}
// more than one file was selected
else
{
LPSTR iwad = ofn.lpstrFile;
LPSTR pwad = ofn.lpstrFile;
wadfolder = strdup(szFile);
// find and add IWAD first
while (iwad[0])
{
static char fullpath[MAX_PATH];
iwad += lstrlen(iwad) + 1;
sprintf(fullpath, "%s\\%s", wadfolder, iwad);
if (D_IsDOOMIWAD(fullpath)
|| (W_WadType(fullpath) == IWAD
&& !D_IsUnsupportedIWAD(fullpath)))
{
if (!iwadfound)
{
IdentifyIWADByContents(fullpath, &gamemode, &gamemission);
if (D_AddFile(fullpath))
{
iwadfound = 1;
sharewareiwad = !strcasecmp(iwad, "DOOM1.WAD");
break;
}
}
}
// if it's NERVE.WAD, try to open DOOM2.WAD with it
else if (!strcasecmp(iwad, "NERVE.WAD"))
{
static char fullpath2[MAX_PATH];
sprintf(fullpath2, "%s\\DOOM2.WAD", wadfolder);
IdentifyIWADByName(fullpath2);
if (D_AddFile(fullpath2))
{
iwadfound = 1;
if (W_MergeFile(fullpath))
{
modifiedgame = true;
nerve = true;
}
break;
}
}
}
// merge any pwads
if (iwadfound && !sharewareiwad)
while (pwad[0])
{
static char fullpath[MAX_PATH];
pwad += lstrlen(pwad) + 1;
sprintf(fullpath, "%s\\%s", wadfolder, pwad);
if (!D_CheckFilename(pwad, "DOOMRETRO.WAD")
&& W_WadType(fullpath) == PWAD
&& !D_IsUnsupportedPWAD(fullpath))
if (W_MergeFile(fullpath))
{
modifiedgame = true;
if (!strcasecmp(pwad, "NERVE.WAD"))
nerve = true;
}
}
}
}
return iwadfound;
}
