C++ LLUUID类代码示例

//static
void LLLocalInventory::loadInvCache(std::string filename)
{
	std::string extension = gDirUtilp->getExtension(filename);
	std::string inv_filename = filename;
	if(extension == "gz")
	{
		LLUUID random;
		random.generate();
		inv_filename = filename.substr(0, filename.length() - 3) + "." + random.asString();

		if(!gunzip_file(filename, inv_filename))
		{
			// failure... message?
			return;
		}
	}

	LLInventoryModel::cat_array_t cats;
	LLInventoryModel::item_array_t items;
	bool is_cache_obsolete = false;
	if(LLInventoryModel::loadFromFile(inv_filename, cats, items, is_cache_obsolete))
	{
		// create a container category for everything
		LLViewerInventoryCategory* container = new LLViewerInventoryCategory(gAgent.getID());
		container->rename(gDirUtilp->getBaseFileName(filename, false));
		LLUUID container_id;
		container_id.generate();
		container->setUUID(container_id);
		container->setParent(gSystemFolderRoot);
		container->setPreferredType(LLAssetType::AT_NONE);
		LLInventoryModel::update_map_t container_update;
		++container_update[container->getParentUUID()];
		gInventory.accountForUpdate(container_update);
		gInventory.updateCategory(container);
		gInventory.notifyObservers();

		LLViewerInventoryCategory* orphaned_items = new LLViewerInventoryCategory(gAgent.getID());
		orphaned_items->rename("Orphaned Items");
		LLUUID orphaned_items_id;

		orphaned_items_id.generate();
		orphaned_items->setUUID(orphaned_items_id);
		orphaned_items->setParent(container_id);
		orphaned_items->setPreferredType(LLAssetType::AT_NONE);
		
		LLInventoryModel::update_map_t orphaned_items_update;
		++orphaned_items_update[orphaned_items->getParentUUID()];
		gInventory.accountForUpdate(orphaned_items_update);
		gInventory.updateCategory(orphaned_items);
		gInventory.notifyObservers();
		
		//conflict handling
		std::map<LLUUID,LLUUID> conflicting_cats;
		int dropped_cats = 0;
		int dropped_items = 0;

		// Add all categories
		LLInventoryModel::cat_array_t::iterator cat_iter = cats.begin();
		LLInventoryModel::cat_array_t::iterator cat_end = cats.end();
		for(; cat_iter != cat_end; ++cat_iter)
		{
			// Conditionally change its parent
			// Note: Should I search for missing parent id's?

			//if the parent is null, it goes in the very root of the tree!
			if((*cat_iter)->getParentUUID().isNull())
			{
				(*cat_iter)->setParent(container_id);
			}
			// If the parent exists and outside of pretend inventory, generate a new uuid
			else if(gInventory.getCategory((*cat_iter)->getParentUUID()))
			{
				if(!gInventory.isObjectDescendentOf((*cat_iter)->getParentUUID(), gSystemFolderRoot, TRUE))
				{
					std::map<LLUUID,LLUUID>::iterator itr = conflicting_cats.find((*cat_iter)->getParentUUID());
					if(itr == conflicting_cats.end())
					{
						dropped_cats++;
						continue;
					}
					(*cat_iter)->setParent(itr->second);
				}
			} else {
				//well balls, this is orphaned.
				(*cat_iter)->setParent(orphaned_items_id);
			}
			// If this category already exists, generate a new uuid
			if(gInventory.getCategory((*cat_iter)->getUUID()))
			{
				LLUUID cat_random;
				cat_random.generate();
				conflicting_cats[(*cat_iter)->getUUID()] = cat_random;
				(*cat_iter)->setUUID(cat_random);
			}

			LLInventoryModel::update_map_t update;
			++update[(*cat_iter)->getParentUUID()];
			gInventory.accountForUpdate(update);
			gInventory.updateCategory(*cat_iter);
//.........这里部分代码省略.........

void LLAssetStorage::getInvItemAsset(const LLHost &object_sim, const LLUUID &agent_id, const LLUUID &session_id,
									 const LLUUID &owner_id, const LLUUID &task_id, const LLUUID &item_id,
									 const LLUUID &asset_id, LLAssetType::EType atype,
									 LLGetAssetCallback callback, void *user_data, BOOL is_priority)
{
	lldebugs << "LLAssetStorage::getInvItemAsset() - " << asset_id << "," << LLAssetType::lookup(atype) << llendl;

	//
	// Probably will get rid of this early out?
	//
	//if (asset_id.isNull())
	//{
	//	// Special case early out for NULL uuid
	//	if (callback)
	//	{
	//		callback(mVFS, asset_id, atype, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE);
	//	}
	//	return;
	//}

	bool exists = false; 
	U32 size = 0;

	if(asset_id.notNull())
	{
		exists = mVFS->getExists(asset_id, atype);
		LLVFile file(mVFS, asset_id, atype);
		size = exists ? file.getSize() : 0;
		if(exists && size < 1)
		{
			llwarns << "Asset vfile " << asset_id << ":" << atype << " found with bad size " << file.getSize() << ", removing" << llendl;
			file.remove();
		}

	}

	if (size < 1)
	{
		// See whether we should talk to the object's originating sim,
		// or the upstream provider.
		LLHost source_host;
		if (object_sim.isOk())
		{
			source_host = object_sim;
		}
		else
		{
			source_host = mUpstreamHost;
		}
		if (source_host.isOk())
		{
			// stash the callback info so we can find it after we get the response message
			LLInvItemRequest *req = new LLInvItemRequest(asset_id, atype);
			req->mDownCallback = callback;
			req->mUserData = user_data;
			req->mIsPriority = is_priority;

			// send request message to our upstream data provider
			// Create a new asset transfer.
			LLTransferSourceParamsInvItem spi;
			spi.setAgentSession(agent_id, session_id);
			spi.setInvItem(owner_id, task_id, item_id);
			spi.setAsset(asset_id, atype);

			// Set our destination file, and the completion callback.
			LLTransferTargetParamsVFile tpvf;
			tpvf.setAsset(asset_id, atype);
			tpvf.setCallback(downloadInvItemCompleteCallback, req);

			llinfos << "Starting transfer for inventory asset "
				<< item_id << " owned by " << owner_id << "," << task_id
				<< llendl;
			LLTransferTargetChannel *ttcp = gTransferManager.getTargetChannel(source_host, LLTCT_ASSET);
			ttcp->requestTransfer(spi, tpvf, 100.f + (is_priority ? 1.f : 0.f));
		}
		else
		{
			// uh-oh, we shouldn't have gotten here
			llwarns << "Attempt to move asset data request upstream w/o valid upstream provider" << llendl;
			if (callback)
			{
				callback(mVFS, asset_id, atype, user_data, LL_ERR_CIRCUIT_GONE, LL_EXSTAT_NO_UPSTREAM);
			}
		}
	}
	else
	{
		// we've already got the file
		// theoretically, partial files w/o a pending request shouldn't happen
		// unless there's a weird error
		if (callback)
		{
			callback(mVFS, asset_id, atype, user_data, LL_ERR_NOERR, LL_EXSTAT_VFS_CACHED);
		}
	}
}

void LLPanelGroupNotices::processNotices(LLMessageSystem* msg)
{
	LLUUID id;
	std::string subj;
	std::string name;
	U32 timestamp;
	BOOL has_attachment;
	U8 asset_type;

	S32 i=0;
	S32 count = msg->getNumberOfBlocks("Data");
	for (;i<count;++i)
	{
		msg->getUUID("Data","NoticeID",id,i);
		if (1 == count && id.isNull())
		{
			// Only one entry, the dummy entry.
			mNoticesList->setCommentText(mNoNoticesStr);
			mNoticesList->setEnabled(FALSE);
			return;
		}
			
		msg->getString("Data","Subject",subj,i);
		msg->getString("Data","FromName",name,i);
		msg->getBOOL("Data","HasAttachment",has_attachment,i);
		msg->getU8("Data","AssetType",asset_type,i);
		msg->getU32("Data","Timestamp",timestamp,i);

		LLSD row;
		row["id"] = id;
		
		row["columns"][0]["column"] = "icon";
		if (has_attachment)
		{
			std::string icon_name = LLInventoryIcon::getIconName(
									(LLAssetType::EType)asset_type,
									LLInventoryType::IT_NONE,FALSE, FALSE);
			row["columns"][0]["type"] = "icon";
			row["columns"][0]["value"] = icon_name;
		}

		row["columns"][1]["column"] = "subject";
		row["columns"][1]["value"] = subj;

		row["columns"][2]["column"] = "from";
		row["columns"][2]["value"] = name;

		std::string buffer;
		std::string format(gSavedSettings.getString("ShortDateFormat"));
		if (gSavedSettings.getBOOL("LiruGroupNoticeTimes"))
			format += " " + gSavedSettings.getString("ShortTimeFormat");
		row["columns"][3]["type"] = "date";
		row["columns"][3]["format"] = format;
		row["columns"][3]["column"] = "date";
		row["columns"][3]["value"] = LLDate(timestamp);

		buffer = llformat( "%u", timestamp);
		row["columns"][4]["column"] = "sort";
		row["columns"][4]["value"] = buffer;

		mNoticesList->addElement(row, ADD_BOTTOM);
	}

	mNoticesList->updateSort();
}

void LLAvatarTracker::addParticularFriendObserver(const LLUUID& buddy_id, LLFriendObserver* observer)
{
	if (buddy_id.notNull() && observer)
		mParticularFriendObserverMap[buddy_id].insert(observer);
}

void LLInspectAvatar::requestUpdate()
{
	// Don't make network requests when spawning from the debug menu at the
	// login screen (which is useful to work on the layout).
	if (mAvatarID.isNull())
	{
		if (LLStartUp::getStartupState() >= STATE_STARTED)
		{
			// once we're running we don't want to show the test floater
			// for bogus LLUUID::null links
			closeFloater();
		}
		return;
	}

	// Clear out old data so it doesn't flash between old and new
	getChild<LLUICtrl>("user_name")->setValue("");
	getChild<LLUICtrl>("user_name_small")->setValue("");
	getChild<LLUICtrl>("user_slid")->setValue("");
	getChild<LLUICtrl>("user_subtitle")->setValue("");
	getChild<LLUICtrl>("user_details")->setValue("");
	
	// Make a new request for properties
	delete mPropertiesRequest;
	mPropertiesRequest = new LLFetchAvatarData(mAvatarID, this);

	// <FS:Ansariel> Undo CHUI-90 and make avatar inspector useful again
	// You can't re-add someone as a friend if they are already your friend
	bool is_friend = LLAvatarTracker::instance().getBuddyInfo(mAvatarID) != NULL;
	bool is_self = (mAvatarID == gAgentID);
	if (is_self)
	{
		getChild<LLUICtrl>("add_friend_btn")->setVisible(false);
		getChild<LLUICtrl>("im_btn")->setVisible(false);
	}
	else if (is_friend)
	{
		getChild<LLUICtrl>("add_friend_btn")->setVisible(false);
		getChild<LLUICtrl>("im_btn")->setVisible(true);
	}
	else
	{
		getChild<LLUICtrl>("add_friend_btn")->setVisible(true);
		getChild<LLUICtrl>("im_btn")->setVisible(false);
	}
	// </FS:Ansariel>

	// Use an avatar_icon even though the image id will come down with the
	// avatar properties because the avatar_icon code maintains a cache of icons
	// and this may result in the image being visible sooner.
	// *NOTE: This may generate a duplicate avatar properties request, but that
	// will be suppressed internally in the avatar properties processor.
	
	//remove avatar id from cache to get fresh info
	LLAvatarIconIDCache::getInstance()->remove(mAvatarID);

	getChild<LLUICtrl>("avatar_icon")->setValue(LLSD(mAvatarID) );

	if (mAvatarNameCacheConnection.connected())
	{
		mAvatarNameCacheConnection.disconnect();
	}
	mAvatarNameCacheConnection = LLAvatarNameCache::get(mAvatarID,boost::bind(&LLInspectAvatar::onAvatarNameCache,this, _1, _2));
}

void LLAssetStorage::getEstateAsset(const LLHost &object_sim, const LLUUID &agent_id, const LLUUID &session_id,
									const LLUUID &asset_id, LLAssetType::EType atype, EstateAssetType etype,
									 LLGetAssetCallback callback, void *user_data, BOOL is_priority)
{
	LL_DEBUGS() << "LLAssetStorage::getEstateAsset() - " << asset_id << "," << LLAssetType::lookup(atype) << ", estatetype " << etype << LL_ENDL;

	//
	// Probably will get rid of this early out?
	//
	if (asset_id.isNull())
	{
		// Special case early out for NULL uuid
		if (callback)
		{
			callback(mVFS, asset_id, atype, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
		}
		return;
	}

	// Try static VFS first.
	if (findInStaticVFSAndInvokeCallback(asset_id,atype,callback,user_data))
	{
		return;
	}
	
	BOOL exists = mVFS->getExists(asset_id, atype);
	LLVFile file(mVFS, asset_id, atype);
	U32 size = exists ? file.getSize() : 0;

	if (size > 0)
	{
		// we've already got the file
		// theoretically, partial files w/o a pending request shouldn't happen
		// unless there's a weird error
		if (callback)
		{
			callback(mVFS, asset_id, atype, user_data, LL_ERR_NOERR, LL_EXSTAT_VFS_CACHED);
		}
	}
	else
	{
		if (exists)
		{
			LL_WARNS() << "Asset vfile " << asset_id << ":" << atype << " found with bad size " << file.getSize() << ", removing" << LL_ENDL;
			file.remove();
		}

		// See whether we should talk to the object's originating sim, or the upstream provider.
		LLHost source_host;
		if (object_sim.isOk())
		{
			source_host = object_sim;
		}
		else
		{
			source_host = mUpstreamHost;
		}
		if (source_host.isOk())
		{
			// stash the callback info so we can find it after we get the response message
			LLEstateAssetRequest *req = new LLEstateAssetRequest(asset_id, atype, etype);
			req->mDownCallback = callback;
			req->mUserData = user_data;
			req->mIsPriority = is_priority;

			// send request message to our upstream data provider
			// Create a new asset transfer.
			LLTransferSourceParamsEstate spe;
			spe.setAgentSession(agent_id, session_id);
			spe.setEstateAssetType(etype);

			// Set our destination file, and the completion callback.
			LLTransferTargetParamsVFile tpvf;
			tpvf.setAsset(asset_id, atype);
			tpvf.setCallback(downloadEstateAssetCompleteCallback, req);

			LL_DEBUGS("AssetStorage") << "Starting transfer for " << asset_id << LL_ENDL;
			LLTransferTargetChannel *ttcp = gTransferManager.getTargetChannel(source_host, LLTCT_ASSET);
			ttcp->requestTransfer(spe, tpvf, 100.f + (is_priority ? 1.f : 0.f));
		}
		else
		{
			// uh-oh, we shouldn't have gotten here
			LL_WARNS() << "Attempt to move asset data request upstream w/o valid upstream provider" << LL_ENDL;
			if (callback)
			{
				callback(mVFS, asset_id, atype, user_data, LL_ERR_CIRCUIT_GONE, LL_EXSTAT_NO_UPSTREAM);
			}
		}
	}
}

void LLFloaterBuyLandUI::updateParcelInfo()
{
	LLParcel* parcel = mParcel->getParcel();
	mParcelValid = parcel && mRegion;
	mParcelIsForSale = false;
	mParcelIsGroupLand = false;
	mParcelGroupContribution = 0;
	mParcelPrice = 0;
	mParcelActualArea = 0;
	mParcelBillableArea = 0;
	mParcelSupportedObjects = 0;
	mParcelSoldWithObjects = false;
	mParcelLocation = "";
	mParcelSnapshot.setNull();
	mParcelSellerName = "";
	
	mCanBuy = false;
	mCannotBuyIsError = false;
	
	if (!mParcelValid)
	{
		mCannotBuyReason = getString("no_land_selected");
		return;
	}
	
	if (mParcel->getMultipleOwners())
	{
		mCannotBuyReason = getString("multiple_parcels_selected");
		return;
	}

	const LLUUID& parcelOwner = parcel->getOwnerID();
	
	mIsClaim = parcel->isPublic();
	if (!mIsClaim)
	{
		mParcelActualArea = parcel->getArea();
		mParcelIsForSale = parcel->getForSale();
		mParcelIsGroupLand = parcel->getIsGroupOwned();
		mParcelPrice = mParcelIsForSale ? parcel->getSalePrice() : 0;
		
		if (mParcelIsGroupLand)
		{
			LLUUID group_id = parcel->getGroupID();
			mParcelGroupContribution = gAgent.getGroupContribution(group_id);
		}
	}
	else
	{
		mParcelActualArea = mParcel->getClaimableArea();
		mParcelIsForSale = true;
		mParcelPrice = mParcelActualArea * parcel->getClaimPricePerMeter();
	}

	mParcelBillableArea =
		llround(mRegion->getBillableFactor() * mParcelActualArea);

 	mParcelSupportedObjects = llround(
		parcel->getMaxPrimCapacity() * parcel->getParcelPrimBonus()); 
 	// Can't have more than region max tasks, regardless of parcel 
 	// object bonus factor. 
 	LLViewerRegion* region = LLViewerParcelMgr::getInstance()->getSelectionRegion(); 
 	if(region) 
 	{ 
		S32 max_tasks_per_region = (S32)region->getMaxTasks(); 
		mParcelSupportedObjects = llmin(
			mParcelSupportedObjects, max_tasks_per_region); 
 	} 

	mParcelSoldWithObjects = parcel->getSellWithObjects();

	
	LLVector3 center = parcel->getCenterpoint();
	mParcelLocation = llformat("%s %d,%d",
				mRegion->getName().c_str(),
				(int)center[VX], (int)center[VY]
				);
	
	mParcelSnapshot = parcel->getSnapshotID();
	
	updateNames();
	
	bool haveEnoughCash = mParcelPrice <= mAgentCashBalance;
	S32 cashBuy = haveEnoughCash ? 0 : (mParcelPrice - mAgentCashBalance);
	mCurrency.setAmount(cashBuy, true);
	mCurrency.setZeroMessage(haveEnoughCash ? getString("none_needed") : LLStringUtil::null);

	// checks that we can buy the land

	if(mIsForGroup && !gAgent.hasPowerInActiveGroup(GP_LAND_DEED))
	{
		mCannotBuyReason = getString("cant_buy_for_group");
		return;
	}

	if (!mIsClaim)
	{
		const LLUUID& authorizedBuyer = parcel->getAuthorizedBuyerID();
		const LLUUID buyer = gAgent.getID();
		const LLUUID newOwner = mIsForGroup ? gAgent.getGroupID() : buyer;
//.........这里部分代码省略.........

void LLFloaterMessageLog::refreshNetList()
{
	LLScrollListCtrl* scrollp = getChild<LLScrollListCtrl>("net_list");
	// Update circuit data of net list items
	std::vector<LLCircuitData*> circuits = gMessageSystem->mCircuitInfo.getCircuitDataList();
	std::vector<LLCircuitData*>::iterator circuits_end = circuits.end();
	for(std::vector<LLCircuitData*>::iterator iter = circuits.begin(); iter != circuits_end; ++iter)
	{
		LLNetListItem* itemp = findNetListItem((*iter)->getHost());
		if(!itemp)
		{
			LLUUID id; id.generate();
			itemp = new LLNetListItem(id);
			sNetListItems.push_back(itemp);
		}
		itemp->mCircuitData = (*iter);
	}
	// Clear circuit data of items whose circuits are gone
	std::list<LLNetListItem*>::iterator items_end = sNetListItems.end();
	for(std::list<LLNetListItem*>::iterator iter = sNetListItems.begin(); iter != items_end; ++iter)
	{
		if(std::find(circuits.begin(), circuits.end(), (*iter)->mCircuitData) == circuits.end())
			(*iter)->mCircuitData = NULL;
	}
	// Remove net list items that are totally useless now
	for(std::list<LLNetListItem*>::iterator iter = sNetListItems.begin(); iter != sNetListItems.end();)
	{
		if((*iter)->mCircuitData == NULL)
			iter = sNetListItems.erase(iter);
		else ++iter;
	}
	// Update names of net list items
	items_end = sNetListItems.end();
	for(std::list<LLNetListItem*>::iterator iter = sNetListItems.begin(); iter != items_end; ++iter)
	{
		LLNetListItem* itemp = (*iter);
		if(itemp->mAutoName)
		{
			if(itemp->mCircuitData)
			{
				LLViewerRegion* regionp = LLWorld::getInstance()->getRegion(itemp->mCircuitData->getHost());
				if(regionp)
				{
					std::string name = regionp->getName();
					if(name == "") name = llformat("%s (awaiting region name)", itemp->mCircuitData->getHost().getString().c_str());
					itemp->mName = name;
					itemp->mPreviousRegionName = name;
				}
				else
				{
					itemp->mName = itemp->mCircuitData->getHost().getString();
					if(itemp->mPreviousRegionName != "")
						itemp->mName.append(llformat(" (was %s)", itemp->mPreviousRegionName.c_str()));
				}
			}
			else
			{
				// an item just for an event queue, not handled yet
				itemp->mName = "Something else";
			}
		}
	}
	// Rebuild scroll list from scratch
	LLUUID selected_id = scrollp->getFirstSelected() ? scrollp->getFirstSelected()->getUUID() : LLUUID::null;
	S32 scroll_pos = scrollp->getScrollPos();
	scrollp->clearRows();
	for(std::list<LLNetListItem*>::iterator iter = sNetListItems.begin(); iter != items_end; ++iter)
	{
		LLNetListItem* itemp = (*iter);
		LLSD element;
		element["id"] = itemp->mID;
		LLSD& text_column = element["columns"][0];
		text_column["column"] = "text";
		text_column["value"] = itemp->mName + (itemp->mCircuitData->getHost() == gAgent.getRegionHost() ? " (main)" : "");
		for(int i = 0; i < 2; i++)
		{
			LLSD& icon_column = element["columns"][i + 1];
			icon_column["column"] = llformat("icon%d", i);
			icon_column["type"] = "icon";
			icon_column["value"] = "";
		}
		LLScrollListItem* scroll_itemp = scrollp->addElement(element);
		BOOL has_live_circuit = itemp->mCircuitData && itemp->mCircuitData->isAlive();
		if(has_live_circuit)
		{
			LLScrollListIcon* icon = (LLScrollListIcon*)scroll_itemp->getColumn(1);
			icon->setValue("icon_net_close_circuit.tga");
			icon->setClickCallback(boost::bind(&LLFloaterMessageLog::onClickCloseCircuit, itemp));
		}
		else
		{
			LLScrollListIcon* icon = (LLScrollListIcon*)scroll_itemp->getColumn(1);
			icon->setValue("icon_net_close_circuit_gray.tga");
			//icon->setClickCallback(NULL);
		}
		// Event queue isn't even supported yet... FIXME
		LLScrollListIcon* icon = (LLScrollListIcon*)scroll_itemp->getColumn(2);
		icon->setValue("icon_net_close_eventpoll_gray.tga");
		//icon->setClickCallback(NULL);
	}
//.........这里部分代码省略.........

//.........这里部分代码省略.........

		if (gSavedSettings.getS32("ShowScriptErrorsLocation")== 1)// show error in window //("ScriptErrorsAsChat"))
		{

			LLColor4 txt_color;

			LLViewerChat::getChatColor(chat_msg,txt_color);

			LLFloaterScriptDebug::addScriptLine(chat_msg.mText,
												chat_msg.mFromName,
												txt_color,
												chat_msg.mFromID);
			return;
		}
	}

	nearby_chat->addMessage(chat_msg, true, args);

	if(chat_msg.mSourceType == CHAT_SOURCE_AGENT 
		&& chat_msg.mFromID.notNull() 
		&& chat_msg.mFromID != gAgentID)
	{
 		LLFirstUse::otherAvatarChatFirst();

 		// Add sender to the recent people list.
// [RLVa:KB] - Checked: 2012-03-15 (RLVa-1.4.6) | Added: RLVa-1.4.6
		if (!gRlvHandler.hasBehaviour(RLV_BHVR_SHOWNAMES))
	 		LLRecentPeople::instance().add(chat_msg.mFromID);
// [/RLVa:KB]
// 		LLRecentPeople::instance().add(chat_msg.mFromID);
	}

	// Send event on to LLEventStream
	sChatWatcher->post(notification);


	if( !chat_bar->isMinimized()
		&& nearby_chat->isInVisibleChain() 
		|| ( chat_msg.mSourceType == CHAT_SOURCE_AGENT
			&& gSavedSettings.getBOOL("UseChatBubbles") )
		|| mChannel.isDead()
		|| !mChannel.get()->getShowToasts() ) // to prevent toasts in Busy mode
		return;//no need in toast if chat is visible or if bubble chat is enabled

	// arrange a channel on a screen
	if(!mChannel.get()->getVisible())
	{
		initChannel();
	}

	/*
	//comment all this due to EXT-4432
	..may clean up after some time...

	//only messages from AGENTS
	if(CHAT_SOURCE_OBJECT == chat_msg.mSourceType)
	{
		if(chat_msg.mChatType == CHAT_TYPE_DEBUG_MSG)
			return;//ok for now we don't skip messeges from object, so skip only debug messages
	}
	*/

	LLNearbyChatScreenChannel* channel = dynamic_cast<LLNearbyChatScreenChannel*>(mChannel.get());

	if(channel)
	{
		// Handle IRC styled messages.
		std::string toast_msg;
		if (chat_msg.mChatStyle == CHAT_STYLE_IRC)
		{
			if (!chat_msg.mFromName.empty())
			{
				toast_msg += chat_msg.mFromName;
			}
			toast_msg += chat_msg.mText.substr(3);
		}
		else
		{
			toast_msg = chat_msg.mText;
		}

		// Add a nearby chat toast.
		LLUUID id;
		id.generate();
		notification["id"] = id;
// [RLVa:KB] - Checked: 2010-04-20 (RLVa-1.2.0f) | Added: RLVa-1.2.0f
		if (rlv_handler_t::isEnabled())
			notification["show_icon_tooltip"] = !chat_msg.mRlvNamesFiltered;
// [/RLVa:KB]
		std::string r_color_name = "White";
		F32 r_color_alpha = 1.0f; 
		LLViewerChat::getChatColor( chat_msg, r_color_name, r_color_alpha);
		
		notification["text_color"] = r_color_name;
		notification["color_alpha"] = r_color_alpha;
		notification["font_size"] = (S32)LLViewerChat::getChatFontSize() ;
		notification["message"] = toast_msg;
		channel->addNotification(notification);	
	}
}

bool LLAudioSource::play(const LLUUID &audio_uuid)
{
	// Special abuse of play(); don't play a sound, but kill it.
	if (audio_uuid.isNull())
	{
		if (getChannel())
		{
			llassert(this == getChannel()->getSource());
			getChannel()->cleanup();
			if (!isMuted())
			{
				mCurrentDatap = NULL;
			}
		}
		return false;
	}

	// <edit>
	if(mType != LLAudioEngine::AUDIO_TYPE_UI) //&& mSourceID.notNull())
		logSoundPlay(this, audio_uuid);
	// </edit>

	// Reset our age timeout if someone attempts to play the source.
	mAgeTimer.reset();

	LLAudioData *adp = gAudiop->getAudioData(audio_uuid);

	if (isQueueSounds())
	{
		if(mQueuedDatap)
		{
			// We already have a sound queued up. Ignore new request.
			return false;
		}
		else if (adp == mCurrentDatap && isLoop())
		{
			// No point in queuing the same sound if
			// we're looping.
			return true;
		}
		else if(mCurrentDatap)
		{
			mQueuedDatap = adp;
			return true;
		}
	}
	else if(mCurrentDatap == adp)	//Desired sound did not change. Just re-play it.
	{
		if(getChannel() && getChannel()->isPlaying())
			getChannel()->play();
		return true;
	}
	else							//Desired sound did change. Release the old channel if set.
	{
		if(getChannel())
			getChannel()->cleanup();
		mPlayedOnce = false;		//Reset the played flag so the new sound is actually started up.
	}

	mCurrentDatap = adp;

	return true;
}

void LLWorld::getAvatars(std::vector<LLUUID>* avatar_ids, std::vector<LLVector3d>* positions, const LLVector3d& relative_to, F32 radius) const
{
	F32 radius_squared = radius * radius;
	
	if(avatar_ids != NULL)
	{
		avatar_ids->clear();
	}
	if(positions != NULL)
	{
		positions->clear();
	}
	// get the list of avatars from the character list first, so distances are correct
	// when agent is above 1020m and other avatars are nearby
	for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
		iter != LLCharacter::sInstances.end(); ++iter)
	{
		LLVOAvatar* pVOAvatar = (LLVOAvatar*) *iter;
		if(!pVOAvatar->isDead() && !pVOAvatar->isSelf())
		{
			LLUUID uuid = pVOAvatar->getID();
			if(!uuid.isNull())
			{
				LLVector3d pos_global = pVOAvatar->getPositionGlobal();
				if(dist_vec_squared(pos_global, relative_to) <= radius_squared)
				{
					if(positions != NULL)
					{
						positions->push_back(pos_global);
					}
					if(avatar_ids !=NULL)
					{
						avatar_ids->push_back(uuid);
					}
				}
			}
		}
	}
	// region avatars added for situations where radius is greater than RenderFarClip
	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
		iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
	{
		LLViewerRegion* regionp = *iter;
		const LLVector3d& origin_global = regionp->getOriginGlobal();
		S32 count = regionp->mMapAvatars.count();
		for (S32 i = 0; i < count; i++)
		{
			LLVector3d pos_global = unpackLocalToGlobalPosition(regionp->mMapAvatars.get(i), origin_global);
			if(dist_vec_squared(pos_global, relative_to) <= radius_squared)
			{
				LLUUID uuid = regionp->mMapAvatarIDs.get(i);
				// if this avatar doesn't already exist in the list, add it
				if(uuid.notNull() && avatar_ids!=NULL && std::find(avatar_ids->begin(), avatar_ids->end(), uuid) == avatar_ids->end())
				{
					if(positions != NULL)
					{
						positions->push_back(pos_global);
					}
					avatar_ids->push_back(uuid);
				}
			}
		}
	}
}

LLGroupNotifyBox::LLGroupNotifyBox(const std::string& subject,
							 const std::string& message,
							 const std::string& from_name,
							 const LLUUID& group_id,
							 const LLUUID& group_insignia,
							 const std::string& group_name,
							 const LLDate& time_stamp,
							 const bool& has_inventory,
							 const std::string& inventory_name,
							 const LLSD& inventory_offer)
:	LLPanel("groupnotify", LLGroupNotifyBox::getGroupNotifyRect(), BORDER_YES),
	mAnimating(TRUE),
	mTimer(),
	mGroupID(group_id),
	mHasInventory(has_inventory),
	mInventoryOffer(NULL)
{
	const S32 VPAD = 2;
	const S32 TOP = getRect().getHeight() - 32; // Get past the top menu bar
	const S32 BOTTOM_PAD = VPAD * 2;
	const S32 BTN_TOP = BOTTOM_PAD + BTN_HEIGHT + VPAD;
	const S32 RIGHT = getRect().getWidth() - HPAD - HPAD;
	const S32 LINE_HEIGHT = 16;

	const S32 LABEL_WIDTH = 64;
	const S32 ICON_WIDTH = 64;

  	time_t timestamp = (time_t)time_stamp.secondsSinceEpoch();
 	if (!timestamp) time(&timestamp);

	std::string time_buf;
	timeToFormattedString(timestamp, gSavedSettings.getString("TimestampFormat"), time_buf);

	if (mHasInventory)
	{
		mInventoryOffer = new LLOfferInfo(inventory_offer);
	}

	setFocusRoot(TRUE);
	setFollows(FOLLOWS_TOP|FOLLOWS_RIGHT);
	setBackgroundVisible(TRUE);
	setBackgroundOpaque(TRUE);
	setBackgroundColor( gColors.getColor("GroupNotifyBoxColor") );

	LLIconCtrl* icon;
	LLTextEditor* text;

	S32 y = TOP;
	S32 x = HPAD + HPAD;

	class NoticeText : public LLTextBox
	{
	public:
		NoticeText(const std::string& name, const LLRect& rect, const std::string& text = LLStringUtil::null, const LLFontGL* font = NULL) 
			: LLTextBox(name, rect, text, font)
		{
			setHAlign(LLFontGL::RIGHT);
			setFontShadow(LLFontGL::DROP_SHADOW_SOFT);
			setBorderVisible(FALSE);
			setColor( gColors.getColor("GroupNotifyTextColor") );
			setBackgroundColor( gColors.getColor("GroupNotifyBoxColor") );
		}
	};

	// Title
	addChild(new NoticeText(std::string("title"),LLRect(x,y,RIGHT - HPAD,y - LINE_HEIGHT),LLTrans::getString("GroupNotifyGroupNotice"),LLFontGL::getFontSansSerifHuge()));

	y -= llfloor(1.5f*LINE_HEIGHT);

	x += HPAD + HPAD + ICON_WIDTH;

	std::stringstream from;
	from << LLTrans::getString("GroupNotifySentBy") << " " + from_name << LLTrans::getString(",") + " " << group_name;

	addChild(new NoticeText(std::string("group"),LLRect(x,y,RIGHT - HPAD,y - LINE_HEIGHT),from.str(),LLFontGL::getFontSansSerif()));
	
	y -= (LINE_HEIGHT + VPAD);
	x = HPAD + HPAD;

	// TODO: change this to be the group icon.
	if (!group_insignia.isNull())
	{
		icon = new LLIconCtrl(std::string("icon"),
							  LLRect(x, y, x+ICON_WIDTH, y-ICON_WIDTH),
							  group_insignia.asString());
	}
	else
	{
		icon = new LLIconCtrl(std::string("icon"),
							  LLRect(x, y, x+ICON_WIDTH, y-ICON_WIDTH),
							  std::string("notify_box_icon.tga"));
	}

	icon->setMouseOpaque(FALSE);
	addChild(icon);

	x += HPAD + HPAD + ICON_WIDTH;
	// If we have inventory with this message, leave room for the name.
	S32 box_bottom = BTN_TOP + (mHasInventory ? (LINE_HEIGHT + 2*VPAD) : 0);

//.........这里部分代码省略.........

//.........这里部分代码省略.........
			msg->getVector3dFast(block_name, var_name, value, block_num);
			LLLuaTable vector(L);
			for(int i = 0; i < 3; i++)
			{
				vector.pushvalue(L, value.mdV[i]);
			}
			block_variable_table.push(L);
		}
		break;
	case MVT_LLVector4:
		{
			LLVector4 value;
			msg->getVector4Fast(block_name, var_name, value, block_num);
			LLLuaTable vector(L);
			for(int i = 0; i < 4; i++)
			{
				vector.pushvalue(L, value.mV[i]);
			}
			block_variable_table.push(L);
		}
		break;
	case MVT_LLQuaternion:
		{
			LLQuaternion value;
			msg->getQuatFast(block_name, var_name, value, block_num);
			LLLuaTable quat(L);
			for(int i = 0; i < 4; i++)
			{
				quat.pushvalue(L, value.mQ[i]);
			}
			block_variable_table.push(L);
		}
		break;
	case MVT_LLUUID:
		{
			LLUUID value;
			msg->getUUIDFast(block_name, var_name, value, block_num);
			block_variable_table.pushvalue(L, value.asString().c_str());
		}
		break;
	case MVT_BOOL:
		{
			BOOL value;
			msg->getBOOLFast(block_name, var_name, value, block_num);
			block_variable_table.pushvalue(L, value);
		}
		break;
	case MVT_IP_ADDR:
		{
			U32 value;
			msg->getIPAddrFast(block_name, var_name, value, block_num);
			block_variable_table.pushvalue(L, LLHost(value, 0).getIPString().c_str());
		}
		break;
	case MVT_IP_PORT:
		{
			U16 value;
			msg->getIPPort(block_name, var_name, value, block_num);
			block_variable_table.pushvalue(L, value);
		}
	case MVT_VARIABLE:
	case MVT_FIXED:
	default:
		{
			S32 size = msg->getSize(block_name, block_num, var_name);
			if(size)

//.........这里部分代码省略.........
		return;
	}

	// don't show toast and add message to chat history on receive debug message
	// with disabled setting showing script errors or enabled setting to show script
	// errors in separate window.
	if (chat_msg.mChatType == CHAT_TYPE_DEBUG_MSG)
	{
		if(gSavedSettings.getBOOL("ShowScriptErrors") == FALSE)
			return;

		// don't process debug messages from not owned objects, see EXT-7762
		if (gAgentID != chat_msg.mOwnerID)
		{
			return;
		}

		if (gSavedSettings.getS32("ShowScriptErrorsLocation")== 1)// show error in window //("ScriptErrorsAsChat"))
		{

			LLColor4 txt_color;

			LLViewerChat::getChatColor(chat_msg,txt_color);

			LLFloaterScriptDebug::addScriptLine(chat_msg.mText,
												chat_msg.mFromName,
												txt_color,
												chat_msg.mFromID);
			return;
		}
	}

	nearby_chat->addMessage(chat_msg, true, args);

	if(chat_msg.mSourceType == CHAT_SOURCE_AGENT 
		&& chat_msg.mFromID.notNull() 
		&& chat_msg.mFromID != gAgentID)
	{
 		LLFirstUse::otherAvatarChatFirst();

 		// Add sender to the recent people list.
 		LLRecentPeople::instance().add(chat_msg.mFromID);

	}

	// Send event on to LLEventStream
	sChatWatcher->post(notification);


	if( nearby_chat->getVisible()
		|| ( chat_msg.mSourceType == CHAT_SOURCE_AGENT
			&& gSavedSettings.getBOOL("UseChatBubbles") )
		|| !mChannel->getShowToasts() ) // to prevent toasts in Busy mode
		return;//no need in toast if chat is visible or if bubble chat is enabled

	// Handle irc styled messages for toast panel
	if (tmp_chat.mChatStyle == CHAT_STYLE_IRC)
	{
		if(!tmp_chat.mFromName.empty())
			tmp_chat.mText = tmp_chat.mFromName + tmp_chat.mText.substr(3);
		else
			tmp_chat.mText = tmp_chat.mText.substr(3);
	}

	// arrange a channel on a screen
	if(!mChannel->getVisible())
	{
		initChannel();
	}

	/*
	//comment all this due to EXT-4432
	..may clean up after some time...

	//only messages from AGENTS
	if(CHAT_SOURCE_OBJECT == chat_msg.mSourceType)
	{
		if(chat_msg.mChatType == CHAT_TYPE_DEBUG_MSG)
			return;//ok for now we don't skip messeges from object, so skip only debug messages
	}
	*/

	LLNearbyChatScreenChannel* channel = dynamic_cast<LLNearbyChatScreenChannel*>(mChannel);

	if(channel)
	{
		// Add a nearby chat toast.
		LLUUID id;
		id.generate();
		notification["id"] = id;
		std::string r_color_name = "White";
		F32 r_color_alpha = 1.0f; 
		LLViewerChat::getChatColor( chat_msg, r_color_name, r_color_alpha);
		
		notification["text_color"] = r_color_name;
		notification["color_alpha"] = r_color_alpha;
		notification["font_size"] = (S32)LLViewerChat::getChatFontSize() ;
		channel->addNotification(notification);	
	}
}

// IW - uuid is passed by value to avoid side effects, please don't re-add &    
void LLAssetStorage::getAssetData(const LLUUID uuid, LLAssetType::EType type, LLGetAssetCallback callback, void *user_data, BOOL is_priority)
{
	LL_DEBUGS("AssetStorage") << "LLAssetStorage::getAssetData() - " << uuid << "," << LLAssetType::lookup(type) << LL_ENDL;

	LL_DEBUGS("AssetStorage") << "ASSET_TRACE requesting " << uuid << " type " << LLAssetType::lookup(type) << LL_ENDL;

	if (user_data)
	{
		// The *user_data should not be passed without a callback to clean it up.
		llassert(callback != NULL);
	}

	if (mShutDown)
	{
		LL_DEBUGS("AssetStorage") << "ASSET_TRACE cancelled " << uuid << " type " << LLAssetType::lookup(type) << " shutting down" << LL_ENDL;

		if (callback)
		{
			callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_FAILED, LL_EXSTAT_NONE);
		}
		return;
	}

	if (uuid.isNull())
	{
		// Special case early out for NULL uuid and for shutting down
		if (callback)
		{
			callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
		}
		return;
	}
	
	/* <edit> */ 
	if(std::find(mBlackListedAsset.begin(),mBlackListedAsset.end(),uuid) != mBlackListedAsset.end())
	{
		LL_INFOS() << "Blacklisted asset " << uuid.asString() << " was trying to be accessed!!!!!!" << LL_ENDL; 
		if (callback)
		{
			callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
		}
		return;
	}
	/* </edit> */
	
	// Try static VFS first.
	if (findInStaticVFSAndInvokeCallback(uuid,type,callback,user_data))
	{
		LL_DEBUGS("AssetStorage") << "ASSET_TRACE asset " << uuid << " found in static VFS" << LL_ENDL;
		return;
	}

	BOOL exists = mVFS->getExists(uuid, type);
	LLVFile file(mVFS, uuid, type);
	U32 size = exists ? file.getSize() : 0;
	
	if (size > 0)
	{
		// we've already got the file
		// theoretically, partial files w/o a pending request shouldn't happen
		// unless there's a weird error
		if (callback)
		{
			callback(mVFS, uuid, type, user_data, LL_ERR_NOERR, LL_EXSTAT_VFS_CACHED);
		}

		LL_DEBUGS("AssetStorage") << "ASSET_TRACE asset " << uuid << " found in VFS" << LL_ENDL;
	}
	else
	{
		if (exists)
		{
			LL_WARNS() << "Asset vfile " << uuid << ":" << type << " found with bad size " << file.getSize() << ", removing" << LL_ENDL;
			file.remove();
		}
		
		BOOL duplicate = FALSE;
		
		// check to see if there's a pending download of this uuid already
		for (request_list_t::iterator iter = mPendingDownloads.begin();
			 iter != mPendingDownloads.end(); ++iter )
		{
			LLAssetRequest  *tmp = *iter;
			if ((type == tmp->getType()) && (uuid == tmp->getUUID()))
			{
				if (callback == tmp->mDownCallback && user_data == tmp->mUserData)
				{
					// this is a duplicate from the same subsystem - throw it away
					LL_WARNS() << "Discarding duplicate request for asset " << uuid
							<< "." << LLAssetType::lookup(type) << LL_ENDL;
					return;
				}
				
				// this is a duplicate request
				// queue the request, but don't actually ask for it again
				duplicate = TRUE;
			}
		}
		if (duplicate)
//.........这里部分代码省略.........