moMathFunctionIndex.cpp

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/*******************************************************************************

                              moMathFunctionIndex.cpp

  ****************************************************************************
  *                                                                          *
  *   This source is free software; you can redistribute it and/or modify    *
  *   it under the terms of the GNU General Public License as published by   *
  *   the Free Software Foundation; either version 2 of the License, or      *
  *  (at your option) any later version.                                    *
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  *   This code 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      *
  *   General Public License for more details.                               *
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  *   A copy of the GNU General Public License is available on the World     *
  *   Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also       *
  *   obtain it by writing to the Free Software Foundation,                  *
  *   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.         *
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  ****************************************************************************

  Copyright(C) 2006 Fabricio Costa

  Authors:
  Fabricio Costa
  Andrés Colubri

*******************************************************************************/

#include "moMathFunctionIndex.h"

MOint moMathFunctionIndex::Add(moText p_name, moMathManager* p_math_man) // Returns the index of the newly added texture.
{
    MOint moid = p_math_man->AddFunction(p_name, false);
    if (-1 < moid) return Add(p_math_man->GetFunction(moid));
    else return -1;
}

MOint moMathFunctionIndex::Add(moMathFunction* p_tex)
{
    MOint idx;
    m_functions_array.Add(p_tex);
    idx = m_functions_array.Count() - 1;
    moText msg;
    #ifdef _DEBUG
        msg = moText("Function loaded: ");
        msg += m_functions_array[idx]->GetExpression();
        MODebug2->Log(msg);
    #endif
    return idx;
}


moMathFunction* moMathFunctionIndex::GetFunction(MOuint p_idx)
{
    if (ValidIndex(p_idx)) return m_functions_array[p_idx];
    return NULL;
}

MOboolean moMathFunctionIndex::ValidIndex(MOuint p_idx)
{
    if ( p_idx < m_functions_array.Count()) return true;
    else
    {
        moText text;
        text =  moText("Error(moMathFunctionIndex): the index: ");
        text += IntToStr(p_idx);
        text +=  moText(" does not exists.");
        MODebug2->Error(text);
        return false;
    }
}

MOuint moMathFunctionIndex::LoadFunctions(moConfig* p_cfg,  moMathManager* p_math_man, MOuint p_param_idx, MOuint p_subvalue_idx)
{
    if (p_cfg!=NULL) m_pConfig = p_cfg; else return MO_ERROR;
    m_ParamIndex.index = p_param_idx;
    m_SubValueIndex = p_subvalue_idx;

    MOint moid;
    MOint idx = -1;
    MOuint nFunctions = m_pConfig->GetParam(p_param_idx).GetValuesCount();
    MOuint nSubValues;
    moMathFunction *pfunc;

    p_cfg->SetCurrentParamIndex(m_ParamIndex.index);
    p_cfg->FirstValue();
    for (MOuint i = 0; i < nFunctions; i++)
    {
        nSubValues = p_cfg->GetParam().GetValue(i).GetSubValueCount();
        moText txt = "";
        moValueType vt;

        vt = p_cfg->GetParam().GetValue(i).GetSubValue(p_subvalue_idx).GetType();
        if ( vt==MO_VALUE_FUNCTION ) {
            txt = p_cfg->GetParam().GetValue(i).GetSubValue(p_subvalue_idx).Text();
        } else {
            txt = FloatToStr(p_cfg->GetParam().GetValue(i).GetSubValue(p_subvalue_idx).Float());
        }
        moid = p_math_man->AddFunction( txt, false);
        if (-1 < moid)
        {
            idx++;
            pfunc = p_math_man->GetFunction(moid);
            m_functions_array.Add(pfunc);
            #ifdef _DEBUG
                moText msg;
                msg = moText("Function loaded: ");
                msg += pfunc->GetExpression();
                MODebug2->Log(msg);
            #endif
        }
        p_cfg->NextValue();
    }
    return m_functions_array.Count();
}


moMathFunction* moMathFunctionIndex::Fun( MOint p_value_index ) {
    if (p_value_index == MO_SELECTED)
        p_value_index = m_pConfig->GetParams().Get(m_ParamIndex.index).GetIndexValue();
    return (m_pConfig !=NULL ? GetFunction( p_value_index ) : NULL);

}