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/**
* @file lightshare.h
* @brief WindlightMessage class definition.
*
* Copyright (c) 2010, Jacek Antonelli
*
* The source code in this file ("Source Code") is provided to you
* under the terms of the GNU General Public License, version 2.0
* ("GPL"). 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 SOURCE CODE IS PROVIDED "AS IS." THE AUTHOR MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
*/
#ifndef LIGHTSHARE_H
#define LIGHTSHARE_H
#include <string>
struct Meta7WindlightPacket;
class LLMessageSystem;
class LLSD;
class LLTimer;
class LLUUID;
class LLWaterParamSet;
class LLWLParamSet;
// Encapsulates a "Windlight" (LightShare) message sent from the
// region, allowing the settings to be applied at a later time.
//
class WindlightMessage
{
public:
// The meanings of the LightShareAllowed user setting.
enum LIGHTSHARE_ALLOWED
{
LIGHTSHARE_NEVER = 0,
LIGHTSHARE_ASK = 1,
LIGHTSHARE_ALWAYS = 2,
};
// Constructs a new WindlightMessage instance from a GenericMessage
// with the "Windlight" method, such as those sent by a
// Lightshare-enabled OpenSim region.
WindlightMessage( LLMessageSystem* msg );
~WindlightMessage();
// The name of the water preset where the region settings are stored.
static const std::string sWaterPresetName;
// The name of the sky preset where the region settings are stored.
static const std::string sSkyPresetName;
// Message handler for GenericMessage with the "Windlight" method.
// Creates and applies a new WindlightMessage (or prompts user).
static void processWindlight(LLMessageSystem* msg, void**);
// Callback when the user interacts with the notification.
static bool applyCallback(const LLSD& notification,
const LLSD& response);
// Called after the user has entered a new region, to reset the
// "ignore while in this region" state.
static void resetRegion();
// Applies/activates the Windlight settings from the message.
bool apply();
// Returns true if the message contains valid Windlight settings.
// (But there's no real validation yet, so this is always true.)
bool isValid();
protected:
// Restart the timer for temporarily ignoring settings.
static void restartIgnoreTimer();
// Returns true if the ignore timer has expired (i.e. new settings
// should not be ignored anymore).
static bool ignoreTimerHasExpired();
private:
static WindlightMessage* sMostRecent;
static LLTimer* sIgnoreTimer;
static bool sIgnoreRegion;
Meta7WindlightPacket* mPacket;
LLWaterParamSet* mWater;
LLWLParamSet* mSky;
LLUUID* mWaterNormal;
bool mIsValid;
// Converts the message's raw bytes into a Meta7WindlightPacket.
void process_packet( char* buf );
// Constructs a LLWaterParamSet from the Meta7WindlightPacket.
void process_water();
// Constructs a LLWLParamSet from the Meta7WindlightPacket.
void process_sky();
};
#endif
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