ReGameDLL_CS/regamedll/common/mathlib.h
2015-08-20 17:24:18 +06:00

94 lines
2.8 KiB
C

/*
*
* This program 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.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, the author gives permission to
* link the code of this program with the Half-Life Game Engine ("HL
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
* L.L.C ("Valve"). You must obey the GNU General Public License in all
* respects for all of the code used other than the HL Engine and MODs
* from Valve. If you modify this file, you may extend this exception
* to your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version.
*
*/
#ifndef MATHLIB_H
#define MATHLIB_H
#ifdef _WIN32
#pragma once
#endif
#ifdef HOOK_GAMEDLL
// probably gamedll compiled with flag /fpmath:fasted,
// so we need to use type double, otherwise will be the test failed
typedef double float_precision;
#else // HOOK_GAMEDLL
typedef float float_precision;
#endif // HOOK_GAMEDLL
/* <42b7f> ../common/mathlib.h:3 */
typedef float vec_t;
/* <42b91> ../common/mathlib.h:6 */
typedef vec_t vec3_t[3];
/* <80013> ../common/mathlib.h:8 */
typedef vec_t vec4_t[4];
/* <42bac> ../common/mathlib.h:18 */
typedef int fixed16_t; /* size: 4 */
/* <42bb7> ../common/mathlib.h:60 */
typedef union DLONG_u
{
int i[2];
double d;
float f;
} DLONG;
#define M_PI 3.14159265358979323846
//#ifndef max
//#define max(a,b) (((a) > (b)) ? (a) : (b))
//#endif
//
//#ifndef min
//#define min(a,b) (((a) < (b)) ? (a) : (b))
//#endif
#ifndef _max
#define _max(a,b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef _min
#define _min(a,b) (((a) < (b)) ? (a) : (b))
#endif
#define clamp(val, min, max) (((val) > (max)) ? (max) : (((val) < (min)) ? (min) : (val)))
#define VectorSubtract(a,b,c) {(c)[0]=(a)[0]-(b)[0];(c)[1]=(a)[1]-(b)[1];(c)[2]=(a)[2]-(b)[2];}
#define VectorAdd(a,b,c) {(c)[0]=(a)[0]+(b)[0];(c)[1]=(a)[1]+(b)[1];(c)[2]=(a)[2]+(b)[2];}
#define VectorCopy(a,b) {(b)[0]=(a)[0];(b)[1]=(a)[1];(b)[2]=(a)[2];}
#define VectorClear(a) {(a)[0]=0.0;(a)[1]=0.0;(a)[2]=0.0;}
#endif // MATHLIB_H