/cygdrive/d/src/svn/vrut/trunk/core/src/common.h

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/*
 * $Id: common.h 682 2009-02-06 08:51:21Z misek $
 *
 * Description  : One line description of file.
 * Author       : Vaclav Kyba <mail/Jabber: vaseo1@gmail.com>  <ICQ: 98576293>
 *
 * Purpose      :
 *     Long description of what the file is for.
 */


#ifndef __COMMON_H__
#define __COMMON_H__

#ifdef WIN_X64
#pragma warning(disable:4005) 
#endif

const float EPSILON = 1e-5f;
const float DEG2RAD = 0.017453293f;
const float RAD2DEG = 57.29577951f;

const float MAX_FLOAT = 3.40282347e37F;
const float MIN_FLOAT =     -3.40282347e37F;

#include "3dmath.h"
#include <wx/string.h>
//#define WIN32_LEAN_AND_MEAN

#ifdef GRAPHVIZ_SUPPORT
#include <vector>

class wx_label_writer
{
public:
       wx_label_writer(std::vector<wxString> * _name) : name(_name) {}
       void operator()(std::ostream& out, const int& v) const
       {
              out << "[label=\"" << name->at(v).To8BitData() << "\"]";
       }
private:
       std::vector<wxString> * name;
};
#endif


#ifdef __WINDOWS__
       #define DLLIMPORT __declspec(dllimport)
       #define DLLEXPORT __declspec(dllexport)
#else
       #define DLLIMPORT __attribute__ ((visibility("default")))
       #define DLLEXPORT
       #define __max(a,b) (((a) > (b)) ? (a) : (b))
       #define __min(a,b) (((a) < (b)) ? (a) : (b))
       #define _strnicmp strncasecmp
       #define _isnan isnan
#endif

#define SAFE_DELETE(a)\
       {if (a)\
              delete (a);\
       (a) = NULL;}

#define SAFE_DELETE_ARR(a)\
       {if (a)\
              delete [] (a);\
       (a) = NULL;}

#define SAFE_DELETE_ARR_EACH(a, cnt)\
       for (unsigned _xx_ = 0; _xx_ < (cnt); _xx_++)\
              SAFE_DELETE((a)[_xx_])

#define SAFE_RELEASE(a)\
       {if (a)\
              (a)->Release();}

const wxString TRUE_STRINGS[] = { wxT("true"), wxT("enable"), wxT("enabled"), wxT("on"), wxT("yes"), wxT("1") };
const size_t TRUE_STRINGS_COUNT = 6;
const unsigned GL_ID_NONE = (unsigned)~(unsigned(0));

typedef vector2 VECTOR2;
typedef vector3 VECTOR3;
typedef vector4 VECTOR4;
typedef matrix MATRIX;
typedef plane PLANE;

#define VECTOR3_XAXIS VECTOR3(1,0,0)
#define VECTOR3_YAXIS VECTOR3(0,1,0)
#define VECTOR3_ZAXIS VECTOR3(0,0,1)

//TODO: Use wxString::Clone in wxWidgets 2.9.0
inline wxString CloneWxString(const wxString & str)
{
       wxString cloned;
       return cloned.append(str);
}

inline bool isTrue(const wxString & val)
{
       for (size_t i = 0; i < TRUE_STRINGS_COUNT; i++)
              if (val.IsSameAs(TRUE_STRINGS[i], false))
                     return true;
       return false;
}

inline int roundVR(float x)
{
       return int(x > 0.0f ? x + 0.5f : x - 0.5f);
}

inline int roundVR(double x)
{
       return int(x > 0.0 ? x + 0.5 : x - 0.5);
}

#define ABS absolute

template <typename T>
inline T absolute(T x)
{
       return ( x >= 0 ? x : -x );
}

inline int random(int min, int max)
{
       return rand()%(max-min+1) + min;
}

inline float random(float min, float max)
{
       return float(rand())/RAND_MAX * (max - min) + min;
}

inline double random(double min, double max)
{
       return double(rand())/RAND_MAX * (max - min) + min;
}

#endif

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