C++ (Cpp) updateSfx示例

示例#1

文件： player_ad.cpp 项目： ilookha/scummvm

int Player_AD::readBuffer(int16 *buffer, const int numSamples) {
	Common::StackLock lock(_mutex);

	int len = numSamples;

	while (len > 0) {
		if (!_samplesTillCallback) {
			if (_curOffset) {
				updateMusic();
			}

			updateSfx();

			_samplesTillCallback = _samplesPerCallback;
			_samplesTillCallbackRemainder += _samplesPerCallbackRemainder;
			if (_samplesTillCallbackRemainder >= AD_CALLBACK_FREQUENCY) {
				++_samplesTillCallback;
				_samplesTillCallbackRemainder -= AD_CALLBACK_FREQUENCY;
			}
		}

		const int samplesToRead = MIN(len, _samplesTillCallback);
		_opl2->readBuffer(buffer, samplesToRead);

		buffer += samplesToRead;
		len -= samplesToRead;
		_samplesTillCallback -= samplesToRead;
	}

	return numSamples;
}

示例#2

文件： cup_player_he.cpp 项目： AdamRi/scummvm-pink

void CUP_Player::play() {
	while (parseNextHeaderTag(_fileStream)) { }

	if (_fileStream.eos() || _fileStream.err())
		return;

	debug(1, "rate %d width %d height %d", _playbackRate, _width, _height);

	int ticks = _system->getMillis();
	while (_dataSize != 0 && !_vm->shouldQuit()) {
		while (parseNextBlockTag(_fileStream)) { }
		if (_fileStream.eos() || _fileStream.err())
			return;

		int diff = _system->getMillis() - ticks;
		if (diff >= 0 && diff <= _playbackRate) {
			_system->delayMillis(_playbackRate - diff);
		} else {
			_system->delayMillis(1);
		}
		updateSfx();
		updateScreen();
		_vm->parseEvents();
		ticks = _system->getMillis();
	}
}

示例#3

文件： player_ad.cpp 项目： BenCastricum/scummvm

void Player_AD::onTimer() {
	Common::StackLock lock(_mutex);

	if (_curOffset) {
		updateMusic();
	}

	updateSfx();
}