Basetype.h

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/****************************************************************************************/
/*  BASETYPE.H                                                                          */
/*                                                                                      */
/*  Author:                                                                             */
/*  Description: Basic type definitions and calling convention defines                  */
/*                                                                                      */
/*  The contents of this file are subject to the Genesis3D Public License               */
/*  Version 1.01 (the "License"); you may not use this file except in                   */
/*  compliance with the License. You may obtain a copy of the License at                */
/*  http://www.genesis3d.com                                                            */
/*                                                                                      */
/*  Software distributed under the License is distributed on an "AS IS"                 */
/*  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See                */
/*  the License for the specific language governing rights and limitations              */
/*  under the License.                                                                  */
/*                                                                                      */
/*  The Original Code is Genesis3D, released March 25, 1999.                            */
/*  Genesis3D Version 1.1 released November 15, 1999                                 */
/*  Copyright (C) 1999 WildTangent, Inc. All Rights Reserved           */
/*                                                                                      */
/****************************************************************************************/
#ifndef GE_BASETYPE_H
#define GE_BASETYPE_H
 
#ifdef __cplusplus
extern "C" {
#endif

/******** The Genesis Calling Conventions ***********/ 

#define GENESISCC       _fastcall

#if     defined(BUILDGENESIS) && defined(GENESISDLLVERSION)
  #define GENESISAPI    _declspec(dllexport)
#else
  #if   defined(GENESISDLLVERSION)
    #define GENESISAPI  _declspec(dllimport)
  #else
    #define GENESISAPI
  #endif
#endif

/******** The Basic Types ****************************/

typedef signed int geBoolean;
#define GE_FALSE        (0)
#define GE_TRUE         (1)

typedef float geFloat;
typedef double geDouble;

#ifndef NULL
/* #define NULL ((void *)0) */
#define NULL 0
#endif

typedef signed long     int32;
typedef signed short    int16;
typedef signed char     int8 ;
typedef unsigned long  uint32;
typedef unsigned short uint16;
typedef unsigned char  uint8 ;

/******** Macros on Genesis basic types *************/

#define GE_ABS(x)                               ( (x) < 0 ? (-(x)) : (x) )
#define GE_CLAMP(x,lo,hi)               ( (x) < (lo) ? (lo) : ( (x) > (hi) ? (hi) : (x) ) )
#define GE_CLAMP8(x)                    GE_CLAMP(x,0,255)
#define GE_CLAMP16(x)                   GE_CLAMP(x,0,65536)
#define GE_BOOLSAME(x,y)                ( ( (x) && (y) ) || ( !(x) && !(y) ) )

#define GE_EPSILON                              ((geFloat)0.000797f)
#define GE_FLOATS_EQUAL(x,y)    ( GE_ABS((x) - (y)) < GE_EPSILON )
#define GE_FLOAT_ISZERO(x)              GE_FLOATS_EQUAL(x,0.0f)

#define GE_PI                                   ((geFloat)3.14159265358979323846f)

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

#ifdef __cplusplus
}
#endif

#endif
 

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