Method LoadFrames

Source/FamiTrackerDocIO.cpp:714–763

}

void CFamiTrackerDocIO::LoadFrames(CFamiTrackerModule &modfile, int ver) {
	if (ver == 1) {
		unsigned int FrameCount = AssertRange(file_.GetBlockInt(), 1, MAX_FRAMES, "Song frame count");
		/*m_iChannelsAvailable =*/ AssertRange<MODULE_ERROR_OFFICIAL>(AssertRange(file_.GetBlockInt(),
			0, (int)CHANID_COUNT, "Track count"), 0, (int)MAX_CHANNELS, "Track count");
		auto &Song = *modfile.GetSong(0);
		Song.SetFrameCount(FrameCount);
		for (unsigned i = 0; i < FrameCount; ++i) {
			modfile.GetChannelOrder().ForeachChannel([&] (stChannelID j) {
				unsigned Pattern = static_cast<unsigned char>(file_.GetBlockChar());
				AssertRange(Pattern, 0U, static_cast<unsigned>(MAX_PATTERN - 1), "Pattern index");
				Song.SetFramePattern(i, j, Pattern);
			});
		}
	}
	else if (ver > 1) {
		modfile.VisitSongs([&] (CSongData &song) {
			unsigned int FrameCount = AssertRange(file_.GetBlockInt(), 1, MAX_FRAMES, "Song frame count");
			unsigned int Speed = AssertRange<MODULE_ERROR_STRICT>(file_.GetBlockInt(), 0, MAX_TEMPO, "Song default speed");
			song.SetFrameCount(FrameCount);

			if (ver >= 3) {
				unsigned int Tempo = AssertRange<MODULE_ERROR_STRICT>(file_.GetBlockInt(), 0, MAX_TEMPO, "Song default tempo");
				song.SetSongTempo(Tempo);
				song.SetSongSpeed(Speed);
			}
			else {
				if (Speed < 20) {
					song.SetSongTempo(modfile.GetMachine() == machine_t::NTSC ? DEFAULT_TEMPO_NTSC : DEFAULT_TEMPO_PAL);
					song.SetSongSpeed(Speed);
				}
				else {
					song.SetSongTempo(Speed);
					song.SetSongSpeed(DEFAULT_SPEED);
				}
			}

			unsigned PatternLength = AssertRange(file_.GetBlockInt(), 1, MAX_PATTERN_LENGTH, "Song default row count");
			song.SetPatternLength(PatternLength);

			for (unsigned i = 0; i < FrameCount; ++i) {
				modfile.GetChannelOrder().ForeachChannel([&] (stChannelID j) {
					// Read pattern index
					int Pattern = static_cast<unsigned char>(file_.GetBlockChar());
					song.SetFramePattern(i, j, AssertRange(Pattern, 0, MAX_PATTERN - 1, "Pattern index"));
				});
			}
		});
	}
}

void CFamiTrackerDocIO::SaveFrames(const CFamiTrackerModule &modfile, int ver) {
	modfile.VisitSongs([&] (const CSongData &Song) {