Exemplo n.º 1
0
bool Player_V3M::loadMusic(const byte *ptr) {
	Common::MacResManager resource;
	bool found = false;

	for (int i = 0; i < ARRAYSIZE(loomFileNames); i++) {
		if (resource.open(loomFileNames[i])) {
			found = true;
			break;
		}
	}

	if (!found) {
		return false;
	}

	if (ptr[4] != 's' || ptr[5] != 'o') {
		// Like the original we ignore all sound resources which do not have
		// a 'so' tag in them.
		// See bug #3602239 ("Mac Loom crashes using opening spell on
		// gravestone") for a case where this is required. Loom Mac tries to
		// play resource 11 here. This resource is no Mac sound resource
		// though, it is a PC Speaker resource. A test with the original
		// interpreter also has shown that no sound is played while the
		// screen is shaking.
		debug(5, "Player_V3M::loadMusic: Skipping unknown music type %02X%02X", ptr[4], ptr[5]);
		resource.close();
		return false;
	}

	uint i;
	for (i = 0; i < 5; i++) {
		int instrument = READ_BE_UINT16(ptr + 20 + 2 * i);
		int offset = READ_BE_UINT16(ptr + 30 + 2 * i);

		_channel[i]._looped = false;
		_channel[i]._length = READ_BE_UINT16(ptr + offset + 4) * 3;
		_channel[i]._data = ptr + offset + 6;
		_channel[i]._pos = 0;
		_channel[i]._pitchModifier = 0;
		_channel[i]._velocity = 0;
		_channel[i]._remaining = 0;
		_channel[i]._notesLeft = true;

		Common::SeekableReadStream *stream = resource.getResource(RES_SND, instrument);
		if (_channel[i].loadInstrument(stream)) {
			debug(6, "Player_V3M::loadMusic: Channel %d - Loaded Instrument %d (%s)", i, instrument, resource.getResName(RES_SND, instrument).c_str());
		} else {
			resource.close();
			return false;
		}
	}

	resource.close();
	return true;
}
Exemplo n.º 2
0
bool Player_V5M::loadMusic(const byte *ptr) {
	Common::MacResManager resource;
	bool found = false;
	uint i;

	for (i = 0; i < ARRAYSIZE(monkeyIslandFileNames); i++) {
		if (resource.open(monkeyIslandFileNames[i])) {
			found = true;
			break;
		}
	}

	if (!found) {
		return false;
	}

	ptr += 8;
	// TODO: Decipher the unknown bytes in the header. For now, skip 'em
	ptr += 28;

	Common::MacResIDArray idArray = resource.getResIDArray(RES_SND);

	// Load the three channels and their instruments
	for (i = 0; i < 3; i++) {
		assert(READ_BE_UINT32(ptr) == MKTAG('C', 'h', 'a', 'n'));
		uint32 len = READ_BE_UINT32(ptr + 4);
		uint32 instrument = READ_BE_UINT32(ptr + 8);

		_channel[i]._length = len - 20;
		_channel[i]._data = ptr + 12;
		_channel[i]._looped = (READ_BE_UINT32(ptr + len - 8) == MKTAG('L', 'o', 'o', 'p'));
		_channel[i]._pos = 0;
		_channel[i]._pitchModifier = 0;
		_channel[i]._velocity = 0;
		_channel[i]._remaining = 0;
		_channel[i]._notesLeft = true;

		for (uint j = 0; j < idArray.size(); j++) {
			Common::String name = resource.getResName(RES_SND, idArray[j]);
			if (instrument == READ_BE_UINT32(name.c_str())) {
				debug(6, "Player_V5M::loadMusic: Channel %d: Loading instrument '%s'", i, name.c_str());
				Common::SeekableReadStream *stream = resource.getResource(RES_SND, idArray[j]);

				if (!_channel[i].loadInstrument(stream)) {
					resource.close();
					return false;
				}

				break;
			}
		}

		ptr += len;
	}

	resource.close();

	// The last note of each channel is just zeroes. We will adjust this
	// note so that all the channels end at the same time.

	uint32 samples[3];
	uint32 maxSamples = 0;
	for (i = 0; i < 3; i++) {
		samples[i] = 0;
		for (uint j = 0; j < _channel[i]._length; j += 4) {
			samples[i] += durationToSamples(READ_BE_UINT16(&_channel[i]._data[j]));
		}
		if (samples[i] > maxSamples) {
			maxSamples = samples[i];
		}
	}

	for (i = 0; i < 3; i++) {
		_lastNoteSamples[i] = maxSamples - samples[i];
	}

	return true;
}