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Diffstat (limited to 'indra/llmath/llcalc.h')
| -rw-r--r-- | indra/llmath/llcalc.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/indra/llmath/llcalc.h b/indra/llmath/llcalc.h new file mode 100644 index 0000000000..ceb9dce585 --- /dev/null +++ b/indra/llmath/llcalc.h @@ -0,0 +1,100 @@ +/* + * LLCalc.h + * Copyright 2008 Aimee Walton. + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2008, 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_CALC_H +#define LL_CALC_H + +#include <map> +#include <string> + +class LLCalc +{ +public: + LLCalc(); + ~LLCalc(); + + // Variable name constants + static const char* X_POS; + static const char* Y_POS; + static const char* Z_POS; + static const char* X_SCALE; + static const char* Y_SCALE; + static const char* Z_SCALE; + static const char* X_ROT; + static const char* Y_ROT; + static const char* Z_ROT; + static const char* HOLLOW; + static const char* CUT_BEGIN; + static const char* CUT_END; + static const char* PATH_BEGIN; + static const char* PATH_END; + static const char* TWIST_BEGIN; + static const char* TWIST_END; + static const char* X_SHEAR; + static const char* Y_SHEAR; + static const char* X_TAPER; + static const char* Y_TAPER; + static const char* RADIUS_OFFSET; + static const char* REVOLUTIONS; + static const char* SKEW; + static const char* X_HOLE; + static const char* Y_HOLE; + static const char* TEX_U_SCALE; + static const char* TEX_V_SCALE; + static const char* TEX_U_OFFSET; + static const char* TEX_V_OFFSET; + static const char* TEX_ROTATION; + static const char* TEX_TRANSPARENCY; + static const char* TEX_GLOW; + + void setVar(const std::string& name, const F32& value); + void clearVar(const std::string& name); + void clearAllVariables(); +// void updateVariables(LLSD& vars); + + bool evalString(const std::string& expression, F32& result); + std::string::size_type getLastErrorPos() { return mLastErrorPos; } + + static LLCalc* getInstance(); + static void cleanUp(); + + typedef std::map<std::string, F32> calc_map_t; + +private: + std::string::size_type mLastErrorPos; + + calc_map_t mConstants; + calc_map_t mVariables; + + // *TODO: Add support for storing user defined variables, and stored functions. + // Will need UI work, and a means to save them between sessions. +// calc_map_t mUserVariables; + + // "There shall be only one" + static LLCalc* sInstance; +}; + +#endif // LL_CALC_H |