Method AddFile

source/common/filesystem/source/filesystem.cpp:330–405

//==========================================================================

void FileSystem::AddFile (const char *filename, FileReader *filer, LumpFilterInfo* filter, FileSystemMessageFunc Printf)
{
	int startlump;
	bool isdir = false;
	FileReader filereader;

	if (filer == nullptr)
	{
		// Does this exist? If so, is it a directory?
		if (!FS_DirEntryExists(filename, &isdir))
		{
			if (Printf)
			{
				Printf(FSMessageLevel::Error, "%s: File or Directory not found\n", filename);
				PrintLastError(Printf);
			}
			return;
		}

		if (!isdir)
		{
			if (!filereader.OpenFile(filename))
			{ // Didn't find file
				if (Printf)
				{
					Printf(FSMessageLevel::Error, "%s: File not found\n", filename);
					PrintLastError(Printf);
				}
				return;
			}
		}
	}
	else filereader = std::move(*filer);

	startlump = NumEntries;

	FResourceFile *resfile;


	if (!isdir)
		resfile = FResourceFile::OpenResourceFile(filename, filereader, false, filter, Printf, stringpool);
	else
		resfile = FResourceFile::OpenDirectory(filename, filter, Printf, stringpool);

	if (resfile != NULL)
	{
		if (Printf) 
			Printf(FSMessageLevel::Message, "adding %s, %d lumps\n", filename, resfile->EntryCount());

		uint32_t lumpstart = (uint32_t)FileInfo.size();

		resfile->SetFirstLump(lumpstart);
		Files.push_back(resfile);
		for (int i = 0; i < resfile->EntryCount(); i++)
		{
			FileInfo.resize(FileInfo.size() + 1);
			FileSystem::LumpRecord* lump_p = &FileInfo.back();
			lump_p->SetFromLump(resfile, i, (int)Files.size() - 1, stringpool);