97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
/*
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* LLCalc.h
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* Copyright 2008 Aimee Walton.
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* $LicenseInfo:firstyear=2008&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2008, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*
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*/
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#ifndef LL_CALC_H
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#define LL_CALC_H
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#include <map>
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#include <string>
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class LLCalc
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{
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public:
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LLCalc();
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~LLCalc();
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// Variable name constants
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static const char* X_POS;
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static const char* Y_POS;
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static const char* Z_POS;
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static const char* X_SCALE;
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static const char* Y_SCALE;
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static const char* Z_SCALE;
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static const char* X_ROT;
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static const char* Y_ROT;
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static const char* Z_ROT;
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static const char* HOLLOW;
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static const char* CUT_BEGIN;
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static const char* CUT_END;
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static const char* PATH_BEGIN;
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static const char* PATH_END;
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static const char* TWIST_BEGIN;
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static const char* TWIST_END;
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static const char* X_SHEAR;
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static const char* Y_SHEAR;
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static const char* X_TAPER;
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static const char* Y_TAPER;
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static const char* RADIUS_OFFSET;
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static const char* REVOLUTIONS;
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static const char* SKEW;
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static const char* X_HOLE;
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static const char* Y_HOLE;
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static const char* TEX_U_SCALE;
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static const char* TEX_V_SCALE;
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static const char* TEX_U_OFFSET;
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static const char* TEX_V_OFFSET;
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static const char* TEX_ROTATION;
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static const char* TEX_TRANSPARENCY;
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static const char* TEX_GLOW;
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void setVar(const std::string& name, const F32& value);
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void clearVar(const std::string& name);
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void clearAllVariables();
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// void updateVariables(LLSD& vars);
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bool evalString(const std::string& expression, F32& result);
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std::string::size_type getLastErrorPos() { return mLastErrorPos; }
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static LLCalc* getInstance();
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static void cleanUp();
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typedef std::map<std::string, F32> calc_map_t;
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private:
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std::string::size_type mLastErrorPos;
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calc_map_t mConstants;
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calc_map_t mVariables;
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// "There shall be only one"
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static LLCalc* sInstance;
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};
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#endif // LL_CALC_H
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