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SingularityViewer/indra/llmath/llcalc.h
Beeks 5ce4286fd7 f
2010-08-22 15:14:30 -04:00

84 lines
1.9 KiB
C++

/*
* LLCalc.h
* SecondLife
*
* Created by Aimee Walton on 28/09/2008.
* Copyright 2008 Aimee Walton.
*
*/
#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