bullet3/examples/ThirdPartyLibs/Gwen/Macros.h

85 lines
2.8 KiB
C++

// C RunTime Header Files
#ifndef GWEN_MACROS_H
#define GWEN_MACROS_H
#include <stdlib.h>
#include <stdarg.h>
#ifndef __APPLE__
#include <malloc.h>
#endif //__APPLE__
#include <memory.h>
#include <algorithm>
// Not tied to platform api.
#define GwenUtil_Min( a, b ) ( ( (a) < (b) ) ? (a) : (b) )
#define GwenUtil_Max( a, b ) ( ( (a) > (b) ) ? (a) : (b) )
#define GwenUtil_VSWPrintFSafeSized( _DstBuf_ARRAY_, _Format, _ArgList ) GwenUtil_VSWPrintFSafe( _DstBuf_ARRAY_, sizeof( _DstBuf_ARRAY_ ) / sizeof( wchar_t ), _Format, _ArgList )
#ifdef _WIN32
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <windows.h>
#define GwenUtil_VSNPrintFSafe( _DstBuf, _DstSize, _MaxCount, _Format, _ArgList ) vsnprintf_s( _DstBuf, _DstSize, _MaxCount, _Format, _ArgList )
#define GwenUtil_VSWPrintFSafe( _DstBuf, _SizeInWords, _Format, _ArgList ) vswprintf_s( _DstBuf, _SizeInWords, _Format, _ArgList )
#define GwenUtil_OutputDebugCharString( lpOutputString ) OutputDebugStringA( lpOutputString )
#define GwenUtil_OutputDebugWideString( lpOutputString ) OutputDebugStringW( lpOutputString )
#define GwenUtil_WideStringToFloat( _Str ) _wtof( _Str )
#elif defined(__APPLE__)
#include <CoreFoundation/CoreFoundation.h>
#define GwenUtil_VSNPrintFSafe( _DstBuf, _DstSize, _MaxCount, _Format, _ArgList ) vsnprintf( _DstBuf, _DstSize, _Format, _ArgList )
#define GwenUtil_VSWPrintFSafe( _DstBuf, _SizeInWords, _Format, _ArgList ) vswprintf( _DstBuf, _SizeInWords, _Format, _ArgList )
#define GwenUtil_OutputDebugCharString( lpOutputString ) //printf( lpOutputString )
#define GwenUtil_OutputDebugWideString( lpOutputString ) //wprintf( lpOutputString )
#define GwenUtil_WideStringToFloat( _Str ) wcstof(_Str, NULL)
#elif defined(__linux__)
#define GwenUtil_VSNPrintFSafe( _DstBuf, _DstSize, _MaxCount, _Format, _ArgList ) vsnprintf( _DstBuf, _DstSize, _Format, _ArgList )
#define GwenUtil_VSWPrintFSafe( _DstBuf, _SizeInWords, _Format, _ArgList ) vswprintf( _DstBuf, _SizeInWords, _Format, _ArgList )
#define GwenUtil_OutputDebugCharString( lpOutputString ) //printf( lpOutputString )
#define GwenUtil_OutputDebugWideString( lpOutputString ) //wprintf( lpOutputString )
#define GwenUtil_WideStringToFloat( _Str ) wcstof(_Str, NULL)
#else
#error MUST_IMPLEMENT_PLATFORM
#endif
namespace Gwen
{
template <typename T1, typename T2, typename T3 >
T1 Clamp( T1 current, T2 vmin, T3 vmax )
{
if ( current > vmax ) return (T1)vmax;
if ( current < vmin ) return (T1)vmin;
return current;
}
template <typename T, typename T2>
inline T Approach( T fCurrent, T fTarget, T2 fDelta )
{
if ( fCurrent < fTarget )
{
fCurrent += fDelta;
if ( fCurrent > fTarget ) return fTarget;
}
else if ( fCurrent > fTarget )
{
fCurrent -= fDelta;
if ( fCurrent < fTarget ) return fTarget;
}
return fCurrent;
}
}
#endif