Method LoadInstruments

Source/FamiTrackerDocIO.cpp:507–546

}

void CFamiTrackerDocIO::LoadInstruments(CFamiTrackerModule &modfile, int ver) {
	/*
	 * Version changes
	 *
	 *  2 - Extended DPCM octave range
	 *  3 - Added settings to the arpeggio sequence
	 *
	 */

	// Number of instruments
	const int Count = AssertRange(file_.GetBlockInt(), 0, CInstrumentManager::MAX_INSTRUMENTS, "Instrument count");
	auto &Manager = *modfile.GetInstrumentManager();

	for (int i = 0; i < Count; ++i) {
		// Instrument index
		int index = AssertRange(file_.GetBlockInt(), 0, CInstrumentManager::MAX_INSTRUMENTS - 1, "Instrument index");

		// Read instrument type and create an instrument
		inst_type_t Type = (inst_type_t)file_.GetBlockChar();
		auto pInstrument = Manager.CreateNew(Type);		// // //

		try {
			// Load the instrument
			AssertFileData(pInstrument.get() != nullptr, "Failed to create instrument");
			FTEnv.GetInstrumentService()->GetInstrumentIO(Type, err_lv_)->ReadFromModule(*pInstrument, file_);		// // //
			// Read name
			int size = AssertRange(file_.GetBlockInt(), 0, CInstrument::INST_NAME_MAX, "Instrument name length");
			char Name[CInstrument::INST_NAME_MAX + 1] = { };
			file_.GetBlock(Name, size);
			pInstrument->SetName(Name);
			Manager.InsertInstrument(index, std::move(pInstrument));		// // // this registers the instrument content provider
		}
		catch (CModuleException &e) {
			file_.SetDefaultFooter(e);
			e.AppendError("At instrument " + conv::from_int_hex(index, 2) + ',');
			Manager.RemoveInstrument(index);
			throw e;
		}
	}
}

void CFamiTrackerDocIO::SaveInstruments(const CFamiTrackerModule &modfile, int ver) {
	// A bug in v0.3.0 causes a crash if this is not 2, so change only when that ver is obsolete!