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/**
* @file llworldmapmessage.h
* @brief Handling of the messages to the DB made by and for the world map.
*
* $LicenseInfo:firstyear=2003&license=viewergpl$
*
* Copyright (c) 2003-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLWORLDMAPMESSAGE_H
#define LL_LLWORLDMAPMESSAGE_H
// Handling of messages (send and process) as well as SLURL callback if necessary
class LLMessageSystem;
class LLWorldMapMessage : public LLSingleton<LLWorldMapMessage>
{
public:
typedef boost::function<void(U64 region_handle, const std::string& url, const LLUUID& snapshot_id, bool teleport)>
url_callback_t;
LLWorldMapMessage();
~LLWorldMapMessage();
// Process incoming answers to map stuff requests
static void processMapBlockReply(LLMessageSystem*, void**);
static void processMapItemReply(LLMessageSystem*, void**);
// Request data for all regions in a rectangular area. Coordinates in grids (i.e. meters / 256).
void sendMapBlockRequest(U16 min_x, U16 min_y, U16 max_x, U16 max_y, bool return_nonexistent = false);
// Various methods to request LLSimInfo data to the simulator and asset DB
void sendNamedRegionRequest(std::string region_name);
void sendNamedRegionRequest(std::string region_name,
url_callback_t callback,
const std::string& callback_url,
bool teleport);
void sendHandleRegionRequest(U64 region_handle,
url_callback_t callback,
const std::string& callback_url,
bool teleport);
// Request item data for regions
// Note: the handle works *only* when requesting agent count (type = MAP_ITEM_AGENT_LOCATIONS). In that case,
// the request will actually be transitting through the spaceserver (all that is done on the sim).
// All other values of type do create a global grid request to the asset DB. So no need to try to get, say,
// the events for one particular region. For such a request, the handle is ignored.
void sendItemRequest(U32 type, U64 handle = 0);
private:
// Search for region (by name or handle) for SLURL processing and teleport
// None of this relies explicitly on the LLWorldMap instance so better handle it here
std::string mSLURLRegionName;
U64 mSLURLRegionHandle;
std::string mSLURL;
url_callback_t mSLURLCallback;
bool mSLURLTeleport;
};
#endif // LL_LLWORLDMAPMESSAGE_H
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