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/**
* @file llwlparammanager.h
* @brief Implementation for the LLWLParamManager class.
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#ifndef LL_WL_DAY_CYCLE_H
#define LL_WL_DAY_CYCLE_H
class LLWLDayCycle;
#include <vector>
#include <map>
#include <string>
#include "llwlparamset.h"
#include "llwlanimator.h"
struct LLWLParamKey;
#include "llenvmanager.h" // for LLEnvKey::EScope
class LLWLDayCycle
{
LOG_CLASS(LLWLDayCycle);
public:
// lists what param sets are used when during the day
std::map<F32, LLWLParamKey> mTimeMap;
// how long is my day
F32 mDayRate;
public:
/// simple constructor
LLWLDayCycle();
/// simple destructor
~LLWLDayCycle();
/// load a day cycle
void loadDayCycle(const LLSD& llsd, LLEnvKey::EScope scope);
/// load a day cycle
void loadDayCycleFromFile(const std::string & fileName);
/// load a day cycle
void saveDayCycle(const std::string & fileName);
/// load the LLSD data from a file (returns the undefined LLSD if not found)
static LLSD loadCycleDataFromFile(const std::string & fileName);
/// get the LLSD data for this day cycle
LLSD asLLSD();
/// clear keyframes
void clearKeyframes();
/// Getters and Setters
/// add a new key frame to the day cycle
/// returns true if successful
/// no negative time
bool addKeyframe(F32 newTime, LLWLParamKey key);
/// adjust a keyframe's placement in the day cycle
/// returns true if successful
bool changeKeyframeTime(F32 oldTime, F32 newTime);
/// adjust a keyframe's parameter used
/// returns true if successful
bool changeKeyframeParam(F32 time, LLWLParamKey key);
/// remove a key frame from the day cycle
/// returns true if successful
bool removeKeyframe(F32 time);
/// get the first key time for a parameter
/// returns false if not there
bool getKeytime(LLWLParamKey keyFrame, F32& keyTime);
/// get the param set at a given time
/// returns true if found one
bool getKeyedParam(F32 time, LLWLParamSet& param);
/// get the name
/// returns true if it found one
bool getKeyedParamName(F32 time, std::string & name);
/// removes all references to the sky (paramkey)
/// does nothing if the sky doesn't exist in the day
void removeReferencesTo(const LLWLParamKey& keyframe);
};
#endif
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