Function WriteSavegame

source/core/savegamehelp.cpp:191–270

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

bool WriteSavegame(const char* filename, const char *name)
{
	BufferWriter savepic;
	FSerializer savegameinfo;		// this is for displayable info about the savegame.
	FRazeSerializer savegamesession;	// saved game session settings.

	char buf[100];
	mysnprintf(buf, countof(buf), GAMENAME " %s", GetVersionString());
	auto savesig = gi->GetSaveSig();
	auto gs = PlayClock / 120;
	FStringf timeStr("%02d:%02d", gs / 60, gs % 60);
	auto lev = currentLevel;

	savegameinfo.OpenWriter(true);
	savegameinfo.AddString("Software", buf)
		("Save Version", savesig.currentsavever)
		.AddString("Engine", savesig.savesig)
		.AddString("Game Resource", fileSystem.GetResourceFileName(1))
		.AddString("Map Name", lev->DisplayName())
		.AddString("Creation Time", myasctime())
		.AddString("Title", name)
		.AddString("Map File", lev->fileName.GetChars())
		.AddString("Map Label", lev->labelName.GetChars())
		.AddString("Map Time", timeStr.GetChars());

	const char *fn = lev->fileName.GetChars();
	if (*fn == '/') fn++;
	if (strncmp(fn, "file://", 7) != 0) // this only has meaning for non-usermaps
	{
		auto fileno = fileSystem.FindFile(fn);
		auto mapfile = fileSystem.GetFileContainer(fileno);
		auto mapcname = fileSystem.GetResourceFileName(mapfile);
		if (mapcname) savegameinfo.AddString("Map Resource", mapcname);
		else
		{
			return false; // this should never happen. Saving on a map that isn't present is impossible.
		}
	}



	// Save the game state
	savegamesession.OpenWriter(save_formatted);
	SerializeSession(savegamesession);

	WriteSavePic(&savepic, 240, 180);
	mysnprintf(buf, countof(buf), GAMENAME " %s", GetVersionString());
	// put some basic info into the PNG so that this isn't lost when the image gets extracted.
	M_AppendPNGText(&savepic, "Software", buf);
	M_AppendPNGText(&savepic, "Title", name);
	M_AppendPNGText(&savepic, "Current Map", lev->labelName.GetChars());
	M_FinishPNG(&savepic);

	auto picdata = savepic.GetBuffer();
	FileSys::FCompressedBuffer bufpng = { picdata->size(), picdata->size(), FileSys::METHOD_STORED, static_cast<unsigned int>(crc32(0, &(*picdata)[0], picdata->size())), (char*)&(*picdata)[0] };

	TArray<FileSys::FCompressedBuffer> savegame_content;
	TArray<FString> savegame_filenames;