C++ List::begin方法代码示例

void ThemeEngine::listUsableThemes(Common::List<ThemeDescriptor> &list) {
#ifndef DISABLE_GUI_BUILTIN_THEME
	ThemeDescriptor th;
	th.name = "ScummVM Classic Theme (Builtin Version)";
	th.id = "builtin";
	th.filename.clear();
	list.push_back(th);
#endif

	if (ConfMan.hasKey("themepath"))
		listUsableThemes(Common::FSNode(ConfMan.get("themepath")), list);

	listUsableThemes(SearchMan, list);

	// Now we need to strip all duplicates
	// TODO: It might not be the best idea to strip duplicates. The user might
	// have different versions of a specific theme in his paths, thus this code
	// might show him the wrong version. The problem is we have no ways of checking
	// a theme version currently. Also since we want to avoid saving the full path
	// in the config file we can not do any better currently.
	Common::List<ThemeDescriptor> output;

	for (Common::List<ThemeDescriptor>::const_iterator i = list.begin(); i != list.end(); ++i) {
		if (Common::find_if(output.begin(), output.end(), TDComparator(i->id)) == output.end())
			output.push_back(*i);
	}

	list = output;
	output.clear();
}

/**
 * Determines the first matching format between two lists.
 *
 * @param backend	The higher priority list, meant to be a list of formats supported by the backend
 * @param frontend	The lower priority list, meant to be a list of formats supported by the engine
 * @return			The first item on the backend list that also occurs on the frontend list
 *					or PixelFormat::createFormatCLUT8() if no matching formats were found.
 */
inline Graphics::PixelFormat findCompatibleFormat(const Common::List<Graphics::PixelFormat> &backend, const Common::List<Graphics::PixelFormat> &frontend) {
#ifdef USE_RGB_COLOR
	for (Common::List<Graphics::PixelFormat>::const_iterator i = backend.begin(); i != backend.end(); ++i) {
		for (Common::List<Graphics::PixelFormat>::const_iterator j = frontend.begin(); j != frontend.end(); ++j) {
			if (*i == *j)
				return *i;
		}
	}
#endif
	return Graphics::PixelFormat::createFormatCLUT8();
}

/**
 * Determines the first matching format between two lists.
 *
 * @param backend	The higher priority list, meant to be a list of formats supported by the backend
 * @param frontend	The lower priority list, meant to be a list of formats supported by the engine
 * @return			The first item on the backend list that also occurs on the frontend list
 *					or PixelFormat::createFormatCLUT8() if no matching formats were found.
 */
inline PixelFormat findCompatibleFormat(Common::List<PixelFormat> backend, Common::List<PixelFormat> frontend) {
#ifdef USE_RGB_COLOR
	for (Common::List<PixelFormat>::iterator i = backend.begin(); i != backend.end(); ++i) {
		for (Common::List<PixelFormat>::iterator j = frontend.begin(); j != frontend.end(); ++j) {
			if (*i == *j)
				return *i;
		}
	}
#endif
	return PixelFormat::createFormatCLUT8();
}

void RMWindow::getNewFrame(RMGfxTargetBuffer &bigBuf, Common::Rect *rcBoundEllipse) {
	// Get a pointer to the bytes of the source buffer
	byte *lpBuf = bigBuf;

	if (rcBoundEllipse != NULL) {
		// Circular wipe effect
		getNewFrameWipe(lpBuf, *rcBoundEllipse);
		_wiping = true;
	} else if (_wiping) {
		// Just finished a wiping effect, so copy the full screen
		copyRectToScreen(lpBuf, RM_SX * 2, 0, 0, RM_SX, RM_SY);
		_wiping = false;

	} else {
		// Standard screen copy - iterate through the dirty rects
		Common::List<Common::Rect> dirtyRects = bigBuf.getDirtyRects();
		Common::List<Common::Rect>::iterator i;

		// If showing dirty rects, copy the entire screen background and set up a surface pointer
		Graphics::Surface *s = NULL;
		if (_showDirtyRects) {
			copyRectToScreen(lpBuf, RM_SX * 2, 0, 0, RM_SX, RM_SY);
			s = g_system->lockScreen();
		}

		for (i = dirtyRects.begin(); i != dirtyRects.end(); ++i) {
			Common::Rect &r = *i;
			const byte *lpSrc = lpBuf + (RM_SX * 2) * r.top + (r.left * 2);
			copyRectToScreen(lpSrc, RM_SX * 2, r.left, r.top, r.width(), r.height());
		}

		if (_showDirtyRects) {
			for (i = dirtyRects.begin(); i != dirtyRects.end(); ++i) {
				// Frame the copied area with a rectangle
				s->frameRect(*i, 0xffffff);
			}

			g_system->unlockScreen();
		}
	}

	if (_bGrabThumbnail) {
		// Need to generate a thumbnail
		RMSnapshot s;

		s.grabScreenshot(lpBuf, 4, _wThumbBuf);
		_bGrabThumbnail = false;
	}

	// Clear the dirty rect list
	bigBuf.clearDirtyRects();
}

SciVersion GameFeatures::detectMessageFunctionType() {
	if (_messageFunctionType != SCI_VERSION_NONE)
		return _messageFunctionType;

	if (getSciVersion() > SCI_VERSION_1_1) {
		_messageFunctionType = SCI_VERSION_1_1;
		return _messageFunctionType;
	} else if (getSciVersion() < SCI_VERSION_1_1) {
		_messageFunctionType = SCI_VERSION_1_LATE;
		return _messageFunctionType;
	}

	Common::List<ResourceId> resources = g_sci->getResMan()->listResources(kResourceTypeMessage, -1);

	if (resources.empty()) {
		// No messages found, so this doesn't really matter anyway...
		_messageFunctionType = SCI_VERSION_1_1;
		return _messageFunctionType;
	}

	Resource *res = g_sci->getResMan()->findResource(*resources.begin(), false);
	assert(res);

	// Only v2 Message resources use the kGetMessage kernel function.
	// v3-v5 use the kMessage kernel function.

	if (READ_SCI11ENDIAN_UINT32(res->data) / 1000 == 2)
		_messageFunctionType = SCI_VERSION_1_LATE;
	else
		_messageFunctionType = SCI_VERSION_1_1;

	debugC(1, kDebugLevelVM, "Detected message function type: %s", getSciVersionDesc(_messageFunctionType));
	return _messageFunctionType;
}

void clearList(Common::List<T> &list) {
	while (!list.empty()) {
		T p = list.front();
		list.erase(list.begin());
		delete p;
	}
}

Common::String ThemeEngine::getThemeFile(const Common::String &id) {
	// FIXME: Actually "default" rather sounds like it should use
	// our default theme which would mean "scummmodern" instead
	// of the builtin one.
	if (id.equalsIgnoreCase("default"))
		return Common::String();

	// For our builtin theme we don't have to do anything for now too
	if (id.equalsIgnoreCase("builtin"))
		return Common::String();

	Common::FSNode node(id);

	// If the given id is a full path we'll just use it
	if (node.exists() && (node.isDirectory() || node.getName().matchString("*.zip", true)))
		return id;

	// FIXME:
	// A very ugly hack to map a id to a filename, this will generate
	// a complete theme list, thus it is slower than it could be.
	// But it is the easiest solution for now.
	Common::List<ThemeDescriptor> list;
	listUsableThemes(list);

	for (Common::List<ThemeDescriptor>::const_iterator i = list.begin(); i != list.end(); ++i) {
		if (id.equalsIgnoreCase(i->id))
			return i->filename;
	}

	warning("Could not find theme '%s' falling back to builtin", id.c_str());

	// If no matching id has been found we will
	// just fall back to the builtin theme
	return Common::String();
}

void VideoPlayer::processVideoEvents(Common::List<Common::Event> &stopEvents) {
	Common::Event curEvent;
	Common::EventManager *eventMan = g_system->getEventManager();

	// Process events, and skip video if esc is pressed
	while (eventMan->pollEvent(curEvent)) {
		if (curEvent.type == Common::EVENT_RTL || curEvent.type == Common::EVENT_QUIT) {
			_skipVideo = true;
		}

		for (Common::List<Common::Event>::const_iterator iter = stopEvents.begin(); iter != stopEvents.end(); iter++) {
			if (curEvent.type == iter->type) {
				if (iter->type == Common::EVENT_KEYDOWN || iter->type == Common::EVENT_KEYUP) {
					if (curEvent.kbd.keycode == iter->kbd.keycode) {
						_skipVideo = true;
						break;
					}
				} else {
					_skipVideo = true;
					break;
				}
			}
		}
	}
}

void ViewManager::updateState() {
	Common::List<View *> viewList = _views;

	for (ListIterator i = viewList.begin(); i != viewList.end(); ++i) {
		if (_vm->_events->quitFlag)
			return;

		View *v = *i;
		v->updateState();
	}
}

void Location::freeList(Common::List<T> &list, bool removeAll, Common::MemFunc1<bool, T, Location> filter) {
	typedef typename Common::List<T>::iterator iterator;
	iterator it = list.begin();
	while (it != list.end()) {
		T z = *it;
		if (!removeAll && filter(this, z)) {
			++it;
		} else {
			z->_commands.clear();
			it = list.erase(it);
		}
	}
}

void GlkEngine::initGraphicsMode() {
	uint width = ConfMan.hasKey("width") ? ConfMan.getInt("width") : 640;
	uint height = ConfMan.hasKey("height") ? ConfMan.getInt("height") : 480;
	Common::List<Graphics::PixelFormat> formats = g_system->getSupportedFormats();
	Graphics::PixelFormat format = formats.front();

	for (Common::List<Graphics::PixelFormat>::iterator i = formats.begin(); i != formats.end(); ++i) {
		if ((*i).bytesPerPixel > 1) {
			format = *i;
			break;
		}
	}

	initGraphics(width, height, &format);
}

bool Diving::play(uint16 playerCount, bool hasPearlLocation) {
	init();
	initScreen();

	_vm->_draw->blitInvalidated();
	_vm->_video->retrace();

	EvilFish shark(*_objects, 320, 0, 14, 8, 9, 3);

	Common::List<ANIObject *> objects;

	objects.push_back(_water);
	objects.push_back(&shark);

	shark.enter(EvilFish::kDirectionLeft, 90);

	while (!_vm->_util->keyPressed() && !_vm->shouldQuit()) {
		int16 left, top, right, bottom;

		// Clear the previous animation frames
		for (Common::List<ANIObject *>::iterator o = objects.reverse_begin();
		     o != objects.end(); --o) {

			(*o)->clear(*_vm->_draw->_backSurface, left, top, right, bottom);
			_vm->_draw->dirtiedRect(_vm->_draw->_backSurface, left, top, right, bottom);
		}

		// Draw the current animation frames
		for (Common::List<ANIObject *>::iterator o = objects.begin();
		     o != objects.end(); ++o) {

			(*o)->draw(*_vm->_draw->_backSurface, left, top, right, bottom);
			_vm->_draw->dirtiedRect(_vm->_draw->_backSurface, left, top, right, bottom);

			(*o)->advance();
		}

		_vm->_draw->blitInvalidated();

		_vm->_util->waitEndFrame();
		_vm->_util->processInput();
	}

	deinit();
	return true;
}

Common::Archive *ResLoaderInsMalcolm::load(Common::ArchiveMemberPtr memberFile, Common::SeekableReadStream &stream) const {
	Common::List<Common::String> filenames;
	Common::ScopedPtr<PlainArchive> result(new PlainArchive(memberFile));
	if (!result)
		return 0;

	// thanks to eriktorbjorn for this code (a bit modified though)
	stream.seek(3, SEEK_SET);

	// first file is the index table
	uint32 size = stream.readUint32LE();
	Common::String temp;

	for (uint32 i = 0; i < size; ++i) {
		byte c = stream.readByte();

		if (c == '\\') {
			temp.clear();
		} else if (c == 0x0D) {
			// line endings are CRLF
			c = stream.readByte();
			assert(c == 0x0A);
			++i;

			filenames.push_back(temp);
		} else {
			temp += (char)c;
		}
	}

	stream.seek(3, SEEK_SET);

	for (Common::List<Common::String>::iterator file = filenames.begin(); file != filenames.end(); ++file) {
		const uint32 fileSize = stream.readUint32LE();
		const uint32 fileOffset = stream.pos();

		result->addFileEntry(*file, PlainArchive::Entry(fileOffset, fileSize));
		stream.seek(fileSize, SEEK_CUR);
	}

	return result.release();
}

bool ScriptInterpreter::interpret(Common::List<ScriptChunk *> &chunks) {
	bool queued = false;

	// Create new random variables for the evaluation below
	_vm->_variables->reRollRandom();

	// Push the first script with met conditions into the queue
	for (Common::List<ScriptChunk *>::iterator it = chunks.begin(); it != chunks.end(); ++it) {
		if ((*it)->conditionsMet() && _vm->_events->cameFrom((*it)->getFrom())) {
			(*it)->rewind();
			_scripts.push_back(Script(*it));
			queued = true;
			break;
		}
	}

	if (queued)
		_updatesWithoutChanges = 0;

	return queued;
}

Common::SeekableReadStream *LangFilter::createReadStreamForMember(const Common::String &name) const {
	if (!_arc)
		return 0;

	//Search the right file
	Common::String fullName;
	Common::List<Common::String> namesToTry;
	namesToTry.push_front(kLanguages1[_lang] + name);
	namesToTry.push_front(kLanguages1[kCommon] + name);
	namesToTry.push_front(kLanguages2[_lang] + name);
	namesToTry.push_front(kLanguages2[kCommon] + name);
	for (Common::List<Common::String>::const_iterator it = namesToTry.begin(); it != namesToTry.end(); it++)
		if (_arc->hasFile(*it)) {
			fullName = *it;
			break;
		}

	if (fullName.empty())
		return 0;

	return _arc->createReadStreamForMember(fullName);
}