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Added ability to load any IWAD without extension 

Previously, only .wad files can specified without file extension for -iwad command line option
For example, -iwad square1 will load square1.pk3 as IWAD
This commit is contained in:
alexey.lysiuk 2018-03-31 15:20:00 +03:00
parent 17bc9c3f69
commit ca0e39cd0c
1 changed files with 27 additions and 16 deletions
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43
src/d_iwad.cpp
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@ -519,28 +519,39 @@ int FIWadManager::IdentifyVersion (TArray<FString> &wadfiles, const char *iwad,
if (iwadparm)
{
// Check if the given IWAD has an absolute path, in which case the search path will be ignored.
custwad = iwadparm;
FixPathSeperator(custwad);
DefaultExtension(custwad, ".wad");
bool isAbsolute = (custwad[0] == '/');
const char* const extensions[] = { ".wad", ".pk3", ".iwad", ".ipk3", ".ipk7" };
for (auto ext : extensions)
{
// Check if the given IWAD has an absolute path, in which case the search path will be ignored.
custwad = iwadparm;
FixPathSeperator(custwad);
DefaultExtension(custwad, ext);
bool isAbsolute = (custwad[0] == '/');
#ifdef WINDOWS
isAbsolute |= (custwad.Len() >= 2 && custwad[1] == ':');
isAbsolute |= (custwad.Len() >= 2 && custwad[1] == ':');
#endif
if (isAbsolute)
{
if (FileExists(custwad)) mFoundWads.Push({ custwad, "", -1 });
}
else
{
for (auto &dir : mSearchPaths)
if (isAbsolute)
{
FStringf fullpath("%s/%s", dir.GetChars(), custwad.GetChars());
if (FileExists(fullpath))
if (FileExists(custwad)) mFoundWads.Push({ custwad, "", -1 });
}
else
{
for (auto &dir : mSearchPaths)
{
mFoundWads.Push({ fullpath, "", -1 });
FStringf fullpath("%s/%s", dir.GetChars(), custwad.GetChars());
if (FileExists(fullpath))
{
mFoundWads.Push({ fullpath, "", -1 });
}
}
}
if (mFoundWads.Size() != numFoundWads)
{
// Found IWAD with guessed extension
break;
}
}
}
// -iwad not found or not specified. Revert back to standard behavior.