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/**
* @file llattachmentsmgr.cpp
* @brief Manager for initiating attachments changes on the viewer
*
* $LicenseInfo:firstyear=2004&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llattachmentsmgr.h"
#include "llagent.h"
#include "llinventorymodel.h"
#include "lltooldraganddrop.h" // pack_permissions_slam
#include "llviewerinventory.h"
#include "llviewerregion.h"
#include "message.h"
LLAttachmentsMgr::LLAttachmentsMgr()
{
}
LLAttachmentsMgr::~LLAttachmentsMgr()
{
}
void LLAttachmentsMgr::addAttachment(const LLUUID& item_id,
const U8 attachment_pt,
const BOOL add)
{
AttachmentsInfo attachment;
attachment.mItemID = item_id;
attachment.mAttachmentPt = attachment_pt;
attachment.mAdd = add;
mPendingAttachments.push_back(attachment);
}
// static
void LLAttachmentsMgr::onIdle(void *)
{
LLAttachmentsMgr::instance().onIdle();
}
void LLAttachmentsMgr::onIdle()
{
// Make sure we got a region before trying anything else
if( !gAgent.getRegion() )
{
return;
}
S32 obj_count = mPendingAttachments.size();
if (obj_count == 0)
{
return;
}
// Limit number of packets to send
const S32 MAX_PACKETS_TO_SEND = 10;
const S32 OBJECTS_PER_PACKET = 4;
const S32 MAX_OBJECTS_TO_SEND = MAX_PACKETS_TO_SEND * OBJECTS_PER_PACKET;
if( obj_count > MAX_OBJECTS_TO_SEND )
{
obj_count = MAX_OBJECTS_TO_SEND;
}
LLUUID compound_msg_id;
compound_msg_id.generate();
LLMessageSystem* msg = gMessageSystem;
S32 i = 0;
for (attachments_vec_t::const_iterator iter = mPendingAttachments.begin();
iter != mPendingAttachments.end();
++iter)
{
if( 0 == (i % OBJECTS_PER_PACKET) )
{
// Start a new message chunk
msg->newMessageFast(_PREHASH_RezMultipleAttachmentsFromInv);
msg->nextBlockFast(_PREHASH_AgentData);
msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
msg->nextBlockFast(_PREHASH_HeaderData);
msg->addUUIDFast(_PREHASH_CompoundMsgID, compound_msg_id );
msg->addU8Fast(_PREHASH_TotalObjects, obj_count );
msg->addBOOLFast(_PREHASH_FirstDetachAll, false );
}
const AttachmentsInfo &attachment = (*iter);
LLViewerInventoryItem* item = gInventory.getItem(attachment.mItemID);
if (!item)
{
llinfos << "Attempted to add non-existant item ID:" << attachment.mItemID << llendl;
continue;
}
S32 attachment_pt = attachment.mAttachmentPt;
if (attachment.mAdd)
attachment_pt |= ATTACHMENT_ADD;
msg->nextBlockFast(_PREHASH_ObjectData );
msg->addUUIDFast(_PREHASH_ItemID, item->getLinkedUUID());
msg->addUUIDFast(_PREHASH_OwnerID, item->getPermissions().getOwner());
msg->addU8Fast(_PREHASH_AttachmentPt, attachment_pt);
pack_permissions_slam(msg, item->getFlags(), item->getPermissions());
msg->addStringFast(_PREHASH_Name, item->getName());
msg->addStringFast(_PREHASH_Description, item->getDescription());
if( (i+1 == obj_count) || ((OBJECTS_PER_PACKET-1) == (i % OBJECTS_PER_PACKET)) )
{
// End of message chunk
msg->sendReliable( gAgent.getRegion()->getHost() );
}
i++;
}
mPendingAttachments.clear();
}
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