C++ writeSelectorValue函数代码示例

void GfxCompare::kernelBaseSetter(reg_t object) {
	if (lookupSelector(_segMan, object, SELECTOR(brLeft), NULL, NULL) == kSelectorVariable) {
		int16 x = readSelectorValue(_segMan, object, SELECTOR(x));
		int16 y = readSelectorValue(_segMan, object, SELECTOR(y));
		int16 z = (SELECTOR(z) > -1) ? readSelectorValue(_segMan, object, SELECTOR(z)) : 0;
		int16 yStep = readSelectorValue(_segMan, object, SELECTOR(yStep));
		GuiResourceId viewId = readSelectorValue(_segMan, object, SELECTOR(view));
		int16 loopNo = readSelectorValue(_segMan, object, SELECTOR(loop));
		int16 celNo = readSelectorValue(_segMan, object, SELECTOR(cel));
		uint16 scaleSignal = 0;
		if (getSciVersion() >= SCI_VERSION_1_1)
			scaleSignal = readSelectorValue(_segMan, object, SELECTOR(scaleSignal));

		Common::Rect celRect;

		GfxView *tmpView = _cache->getView(viewId);
		if (!tmpView->isScaleable())
			scaleSignal = 0;

		if (scaleSignal & kScaleSignalDoScaling) {
			celRect = getNSRect(object);
		} else {
			tmpView->getCelRect(loopNo, celNo, x, y, z, celRect);
		}

		celRect.bottom = y + 1;
		celRect.top = celRect.bottom - yStep;

		writeSelectorValue(_segMan, object, SELECTOR(brLeft), celRect.left);
		writeSelectorValue(_segMan, object, SELECTOR(brRight), celRect.right);
		writeSelectorValue(_segMan, object, SELECTOR(brTop), celRect.top);
		writeSelectorValue(_segMan, object, SELECTOR(brBottom), celRect.bottom);
	}
}

void GuestAdditions::syncGK1StartupVolumeFromScummVM(const int index, const reg_t value) const {
	if (index == kGlobalVarGK1Music1 || index == kGlobalVarGK1Music2 ||
		index == kGlobalVarGK1DAC1 || index == kGlobalVarGK1DAC2 ||
		index == kGlobalVarGK1DAC3) {

		int16 volume;
		Selector selector;

		switch (readSelectorValue(_segMan, value, SELECTOR(type))) {
		case kSoundsMusicType: {
			volume = (ConfMan.getInt("music_volume") + 1) * MUSIC_VOLUME_MAX / Audio::Mixer::kMaxMixerVolume;
			selector = SELECTOR(musicVolume);
			break;
		}

		case kSoundsSoundType: {
			volume = (ConfMan.getInt("sound_volume") + 1) * MUSIC_VOLUME_MAX / Audio::Mixer::kMaxMixerVolume;
			selector = SELECTOR(soundVolume);
			break;
		}

		default:
			error("Unknown sound type");
		}

		writeSelectorValue(_segMan, value, selector, volume);
		writeSelectorValue(_segMan, value, selector, volume);
	}
}

void GuestAdditions::syncGK1VolumeFromScummVM(const int16 musicVolume, const int16 dacVolume) const {
	const reg_t soundsId = _state->variables[VAR_GLOBAL][kGlobalVarSounds];
	if (!soundsId.isNull()) {
		List *sounds = _segMan->lookupList(readSelector(_segMan, soundsId, SELECTOR(elements)));
		reg_t soundId = sounds->first;
		while (!soundId.isNull()) {
			Node *sound = _segMan->lookupNode(soundId);
			const int16 type = readSelectorValue(_segMan, sound->value, SELECTOR(type));
			int16 volume;

			if (type == kSoundsMusicType) {
				volume = ConfMan.getBool("mute") ? 0 : musicVolume;
				writeSelectorValue(_segMan, sound->value, SELECTOR(musicVolume), musicVolume);
			} else if (type == kSoundsSoundType) {
				volume = dacVolume;
				writeSelectorValue(_segMan, sound->value, SELECTOR(soundVolume), dacVolume);
			} else {
				error("Unknown sound type %d", type);
			}

			// `setVolume` will set the `vol` property on the sound object;
			// if it did not do this, an invocation of the `setVol` selector
			// would need to be here (though doing so would result in
			// recursion, so don't)
			g_sci->_soundCmd->setVolume(sound->value, volume);
			soundId = sound->succ;
		}
	}
}

void SoundCommandParser::processStopSound(reg_t obj, bool sampleFinishedPlaying) {
	MusicEntry *musicSlot = _music->getSlot(obj);
	if (!musicSlot) {
		warning("kDoSound(stop): Slot not found (%04x:%04x)", PRINT_REG(obj));
		return;
	}

	if (_soundVersion <= SCI_VERSION_0_LATE) {
		writeSelectorValue(_segMan, obj, SELECTOR(state), kSoundStopped);
	} else {
		writeSelectorValue(_segMan, obj, SELECTOR(handle), 0);
	}

	// Set signal selector in sound SCI0 games only, when the sample has
	// finished playing. If we don't set it at all, we get a problem when using
	// vaporizer on the 2 guys. If we set it all the time, we get no music in
	// sq3new and kq1.
	// FIXME: This *may* be wrong, it's impossible to find out in Sierra DOS
	//        SCI, because SCI0 under DOS didn't have sfx drivers included.
	// We need to set signal in sound SCI1+ games all the time.
	if ((_soundVersion > SCI_VERSION_0_LATE) || sampleFinishedPlaying)
		writeSelectorValue(_segMan, obj, SELECTOR(signal), SIGNAL_OFFSET);

	musicSlot->dataInc = 0;
	musicSlot->signal = SIGNAL_OFFSET;
	_music->soundStop(musicSlot);
}

reg_t SoundCommandParser::kDoSoundSetPriority(int argc, reg_t *argv, reg_t acc) {
	reg_t obj = argv[0];
	int16 value = argv[1].toSint16();

	debugC(kDebugLevelSound, "kDoSound(setPriority): %04x:%04x, %d", PRINT_REG(obj), value);

	MusicEntry *musicSlot = _music->getSlot(obj);
	if (!musicSlot) {
		debugC(kDebugLevelSound, "kDoSound(setPriority): Slot not found (%04x:%04x)", PRINT_REG(obj));
		return acc;
	}

	if (value == -1) {
		uint16 resourceId = musicSlot->resourceId;

		// Set priority from the song data
		Resource *song = _resMan->findResource(ResourceId(kResourceTypeSound, resourceId), 0);
		if (song->data[0] == 0xf0)
			_music->soundSetPriority(musicSlot, song->data[1]);
		else
			warning("kDoSound(setPriority): Attempt to unset song priority when there is no built-in value");

		//pSnd->prio=0;field_15B=0
		writeSelectorValue(_segMan, obj, SELECTOR(flags), readSelectorValue(_segMan, obj, SELECTOR(flags)) & 0xFD);
	} else {
		// Scripted priority

		//pSnd->field_15B=1;
		writeSelectorValue(_segMan, obj, SELECTOR(flags), readSelectorValue(_segMan, obj, SELECTOR(flags)) | 2);
		//DoSOund(0xF,hobj,w)
	}
	return acc;
}

void GfxAnimate::restoreAndDelete(int argc, reg_t *argv) {
	AnimateList::iterator it;
	const AnimateList::iterator end = _list.end();

	// This has to be done in a separate loop. At least in sq1 some .dispose
	// modifies FIXEDLOOP flag in signal for another object. In that case we
	// would overwrite the new signal with our version of the old signal.
	for (it = _list.begin(); it != end; ++it) {
		// Finally update signal
		writeSelectorValue(_s->_segMan, it->object, SELECTOR(signal), it->signal);
	}

	for (it = _list.legacy_reverse_begin(); it != end; --it) {
		// We read out signal here again, this is not by accident but to ensure
		// that we got an up-to-date signal
		it->signal = readSelectorValue(_s->_segMan, it->object, SELECTOR(signal));

		if ((it->signal & (kSignalNoUpdate | kSignalRemoveView)) == 0) {
			_paint16->bitsRestore(readSelector(_s->_segMan, it->object, SELECTOR(underBits)));
			writeSelectorValue(_s->_segMan, it->object, SELECTOR(underBits), 0);
		}

		if (it->signal & kSignalDisposeMe) {
			// Call .delete_ method of that object
			invokeSelector(_s, it->object, SELECTOR(delete_), argc, argv, 0);
		}
	}
}

reg_t kMapKeyToDir(EngineState *s, int argc, reg_t *argv) {
	reg_t obj = argv[0];
	SegManager *segMan = s->_segMan;

	if (readSelectorValue(segMan, obj, SELECTOR(type)) == SCI_EVENT_KEYBOARD) { // Keyboard
		uint16 message = readSelectorValue(segMan, obj, SELECTOR(message));
		uint16 eventType = SCI_EVENT_DIRECTION;
		// Check if the game is using cursor views. These games allowed control
		// of the mouse cursor via the keyboard controls (the so called
		// "PseudoMouse" functionality in script 933).
		if (g_sci->_features->detectSetCursorType() == SCI_VERSION_1_1)
			eventType |= SCI_EVENT_KEYBOARD;

		for (int i = 0; i < 9; i++) {
			if (keyToDirMap[i].key == message) {
				writeSelectorValue(segMan, obj, SELECTOR(type), eventType);
				writeSelectorValue(segMan, obj, SELECTOR(message), keyToDirMap[i].direction);
				return TRUE_REG;	// direction mapped
			}
		}

		return NULL_REG;	// unknown direction
	}

	return s->r_acc;	// no keyboard event to map, leave accumulator unchanged
}

void GfxAnimate::applyGlobalScaling(AnimateList::iterator entry, GfxView *view) {
	// Global scaling uses global var 2 and some other stuff to calculate scaleX/scaleY
	int16 maxScale = readSelectorValue(_s->_segMan, entry->object, SELECTOR(maxScale));
	int16 celHeight = view->getHeight(entry->loopNo, entry->celNo);
	int16 maxCelHeight = (maxScale * celHeight) >> 7;
	reg_t globalVar2 = _s->variables[VAR_GLOBAL][2]; // current room object
	int16 vanishingY = readSelectorValue(_s->_segMan, globalVar2, SELECTOR(vanishingY));

	int16 fixedPortY = _ports->getPort()->rect.bottom - vanishingY;
	int16 fixedEntryY = entry->y - vanishingY;
	if (!fixedEntryY)
		fixedEntryY = 1;

	if ((celHeight == 0) || (fixedPortY == 0))
		error("global scaling panic");

	entry->scaleY = ( maxCelHeight * fixedEntryY ) / fixedPortY;
	entry->scaleY = (entry->scaleY * 128) / celHeight;

	entry->scaleX = entry->scaleY;

	// and set objects scale selectors
	writeSelectorValue(_s->_segMan, entry->object, SELECTOR(scaleX), entry->scaleX);
	writeSelectorValue(_s->_segMan, entry->object, SELECTOR(scaleY), entry->scaleY);
}

void SciEngine::setLauncherLanguage() {
	if (_gameDescription->flags & ADGF_ADDENGLISH) {
		// If game is multilingual
		if (Common::parseLanguage(ConfMan.get("language")) == Common::EN_ANY) {
			// and English was selected as language
			if (SELECTOR(printLang) != -1) // set text language to English
				writeSelectorValue(_gamestate->_segMan, _gameObjectAddress, SELECTOR(printLang), K_LANG_ENGLISH);
			if (SELECTOR(parseLang) != -1) // and set parser language to English as well
				writeSelectorValue(_gamestate->_segMan, _gameObjectAddress, SELECTOR(parseLang), K_LANG_ENGLISH);
		}
	}
}

void GuestAdditions::syncLSL6HiresUI(const int16 musicVolume) const {
	const reg_t musicDialId = _segMan->findObjectByName("volumeDial");
	if (!musicDialId.isNull()) {
		writeSelectorValue(_segMan, musicDialId, SELECTOR(curPos), musicVolume);
		writeSelectorValue(_segMan, musicDialId, SELECTOR(cel), musicVolume);
		reg_t params[] = { make_reg(0, musicVolume) };
		invokeSelector(musicDialId, SELECTOR(update), 1, params);
		if (_segMan->getObject(musicDialId)->isInserted()) {
			g_sci->_gfxFrameout->kernelUpdateScreenItem(musicDialId);
		}
	}
}

void SoundCommandParser::processPlaySound(reg_t obj) {
	MusicEntry *musicSlot = _music->getSlot(obj);
	if (!musicSlot) {
		warning("kDoSound(play): Slot not found (%04x:%04x), initializing it manually", PRINT_REG(obj));
		// The sound hasn't been initialized for some reason, so initialize it
		// here. Happens in KQ6, room 460, when giving the creature (child) to
		// the bookworm. Fixes bugs #3413301 and #3421098.
		processInitSound(obj);
		musicSlot = _music->getSlot(obj);
		if (!musicSlot)
			error("Failed to initialize uninitialized sound slot");
	}

	int resourceId = getSoundResourceId(obj);

	if (musicSlot->resourceId != resourceId) { // another sound loaded into struct
		processDisposeSound(obj);
		processInitSound(obj);
		// Find slot again :)
		musicSlot = _music->getSlot(obj);
	}

	writeSelector(_segMan, obj, SELECTOR(handle), obj);

	if (_soundVersion >= SCI_VERSION_1_EARLY) {
		writeSelector(_segMan, obj, SELECTOR(nodePtr), obj);
		writeSelectorValue(_segMan, obj, SELECTOR(min), 0);
		writeSelectorValue(_segMan, obj, SELECTOR(sec), 0);
		writeSelectorValue(_segMan, obj, SELECTOR(frame), 0);
		writeSelectorValue(_segMan, obj, SELECTOR(signal), 0);
	} else {
		writeSelectorValue(_segMan, obj, SELECTOR(state), kSoundPlaying);
	}

	musicSlot->loop = readSelectorValue(_segMan, obj, SELECTOR(loop));
	musicSlot->priority = readSelectorValue(_segMan, obj, SELECTOR(priority));
	// Reset hold when starting a new song. kDoSoundSetHold is always called after
	// kDoSoundPlay to set it properly, if needed. Fixes bug #3413589.
	musicSlot->hold = -1;
	if (_soundVersion >= SCI_VERSION_1_EARLY)
		musicSlot->volume = readSelectorValue(_segMan, obj, SELECTOR(vol));

	debugC(kDebugLevelSound, "kDoSound(play): %04x:%04x number %d, loop %d, prio %d, vol %d", PRINT_REG(obj),
			resourceId, musicSlot->loop, musicSlot->priority, musicSlot->volume);

	_music->soundPlay(musicSlot);

	// Reset any left-over signals
	musicSlot->signal = 0;
	musicSlot->fadeStep = 0;
}

void GfxCompare::kernelBaseSetter(reg_t object) {
	if (lookupSelector(_segMan, object, SELECTOR(brLeft), NULL, NULL) == kSelectorVariable) {
		int16 x = readSelectorValue(_segMan, object, SELECTOR(x));
		int16 y = readSelectorValue(_segMan, object, SELECTOR(y));
		int16 z = (SELECTOR(z) > -1) ? readSelectorValue(_segMan, object, SELECTOR(z)) : 0;
		int16 yStep = readSelectorValue(_segMan, object, SELECTOR(yStep));
		GuiResourceId viewId = readSelectorValue(_segMan, object, SELECTOR(view));
		int16 loopNo = readSelectorValue(_segMan, object, SELECTOR(loop));
		int16 celNo = readSelectorValue(_segMan, object, SELECTOR(cel));

		// HACK: Ignore invalid views for now (perhaps unimplemented text views?)
		if (viewId == 0xFFFF)	// invalid view
			return;

		uint16 scaleSignal = 0;
		if (getSciVersion() >= SCI_VERSION_1_1) {
			scaleSignal = readSelectorValue(_segMan, object, SELECTOR(scaleSignal));
		}

		Common::Rect celRect;

		GfxView *tmpView = _cache->getView(viewId);
		if (!tmpView->isScaleable())
			scaleSignal = 0;

		if (scaleSignal & kScaleSignalDoScaling) {
			celRect = getNSRect(object);
		} else {
			if (tmpView->isSci2Hires())
				tmpView->adjustToUpscaledCoordinates(y, x);

			tmpView->getCelRect(loopNo, celNo, x, y, z, celRect);

			if (tmpView->isSci2Hires()) {
				tmpView->adjustBackUpscaledCoordinates(celRect.top, celRect.left);
				tmpView->adjustBackUpscaledCoordinates(celRect.bottom, celRect.right);
			}
		}

		celRect.bottom = y + 1;
		celRect.top = celRect.bottom - yStep;

		writeSelectorValue(_segMan, object, SELECTOR(brLeft), celRect.left);
		writeSelectorValue(_segMan, object, SELECTOR(brRight), celRect.right);
		writeSelectorValue(_segMan, object, SELECTOR(brTop), celRect.top);
		writeSelectorValue(_segMan, object, SELECTOR(brBottom), celRect.bottom);
	}
}

void GfxAnimate::fill(byte &old_picNotValid) {
	GfxView *view = NULL;
	AnimateList::iterator it;
	const AnimateList::iterator end = _list.end();

	for (it = _list.begin(); it != end; ++it) {
		// Get the corresponding view
		view = _cache->getView(it->viewId);

		adjustInvalidCels(view, it);
		processViewScaling(view, it);
		setNsRect(view, it);

		//warning("%s view %d, loop %d, cel %d, signal %x", _s->_segMan->getObjectName(curObject), it->viewId, it->loopNo, it->celNo, it->signal);

		// Calculate current priority according to y-coordinate
		if (!(it->signal & kSignalFixedPriority)) {
			it->priority = _ports->kernelCoordinateToPriority(it->y);
			writeSelectorValue(_s->_segMan, it->object, SELECTOR(priority), it->priority);
		}

		if (it->signal & kSignalNoUpdate) {
			if ((it->signal & (kSignalForceUpdate | kSignalViewUpdated))
				||   (it->signal & kSignalHidden  && !(it->signal & kSignalRemoveView))
				|| (!(it->signal & kSignalHidden) &&   it->signal & kSignalRemoveView)
				||   (it->signal & kSignalAlwaysUpdate))
				old_picNotValid++;
			it->signal &= ~kSignalStopUpdate;
		} else {
			if ((it->signal & kSignalStopUpdate) || (it->signal & kSignalAlwaysUpdate))
				old_picNotValid++;
			it->signal &= ~kSignalForceUpdate;
		}
	}
}

void SoundCommandParser::processInitSound(reg_t obj) {
	int resourceId = getSoundResourceId(obj);

	// Check if a track with the same sound object is already playing
	MusicEntry *oldSound = _music->getSlot(obj);
	if (oldSound)
		processDisposeSound(obj);

	MusicEntry *newSound = new MusicEntry();
	newSound->resourceId = resourceId;
	newSound->soundObj = obj;
	newSound->loop = readSelectorValue(_segMan, obj, SELECTOR(loop));
	newSound->priority = readSelectorValue(_segMan, obj, SELECTOR(pri)) & 0xFF;
	if (_soundVersion >= SCI_VERSION_1_EARLY)
		newSound->volume = CLIP<int>(readSelectorValue(_segMan, obj, SELECTOR(vol)), 0, MUSIC_VOLUME_MAX);
	newSound->reverb = -1;	// initialize to SCI invalid, it'll be set correctly in soundInitSnd() below

	debugC(kDebugLevelSound, "kDoSound(init): %04x:%04x number %d, loop %d, prio %d, vol %d", PRINT_REG(obj),
			resourceId,	newSound->loop, newSound->priority, newSound->volume);

	initSoundResource(newSound);

	_music->pushBackSlot(newSound);

	if (newSound->soundRes || newSound->pStreamAud) {
		// Notify the engine
		if (_soundVersion <= SCI_VERSION_0_LATE)
			writeSelectorValue(_segMan, obj, SELECTOR(state), kSoundInitialized);
		else
			writeSelector(_segMan, obj, SELECTOR(nodePtr), obj);
	}
}

reg_t kLocalToGlobal(EngineState *s, int argc, reg_t *argv) {
	reg_t obj = argv[0];
	reg_t planeObject = argc > 1 ? argv[1] : NULL_REG; // SCI32
	SegManager *segMan = s->_segMan;

	if (obj.getSegment()) {
		int16 x = readSelectorValue(segMan, obj, SELECTOR(x));
		int16 y = readSelectorValue(segMan, obj, SELECTOR(y));

		g_sci->_gfxCoordAdjuster->kernelLocalToGlobal(x, y, planeObject);

		writeSelectorValue(segMan, obj, SELECTOR(x), x);
		writeSelectorValue(segMan, obj, SELECTOR(y), y);
	}

	return s->r_acc;
}