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https://github.com/rehlds/rehlds.git
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99 lines
3.9 KiB
C
99 lines
3.9 KiB
C
/*
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* In addition, as a special exception, the author gives permission to
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* link the code of this program with the Half-Life Game Engine ("HL
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* Engine") and Modified Game Libraries ("MODs") developed by Valve,
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* L.L.C ("Valve"). You must obey the GNU General Public License in all
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* respects for all of the code used other than the HL Engine and MODs
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* from Valve. If you modify this file, you may extend this exception
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* to your version of the file, but you are not obligated to do so. If
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* you do not wish to do so, delete this exception statement from your
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* version.
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*
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*/
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#ifndef MATHLIB_E_H
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#define MATHLIB_E_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "maintypes.h"
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#include "model.h"
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// up / down
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#define PITCH 0
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// left / right
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#define YAW 1
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// fall over
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#define ROLL 2
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#define RAD2DEG(x) ((float)(x) * (float)(180.f / M_PI))
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#define DEG2RAD(x) ((float)(x) * (float)(M_PI / 180.f))
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#ifdef HOOK_ENGINE
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#define vec3_origin (*pvec3_origin)
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#endif // HOOK_ENGINE
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extern vec3_t vec3_origin;
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static const int nanmask = 0x7F800000;
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#define IS_NAN(fvar) ((*reinterpret_cast<int*>(&(fvar)) & nanmask) == nanmask)
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float anglemod(float a);
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void BOPS_Error(void);
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int BoxOnPlaneSide(vec_t *emins, vec_t *emaxs, mplane_t *p);
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NOBODY int InvertMatrix(const float *m, float *out);
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void AngleVectors_ext(const vec_t *angles, vec_t *forward, vec_t *right, vec_t *up);
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void AngleVectors(const vec_t *angles, vec_t *forward, vec_t *right, vec_t *up);
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void AngleVectorsTranspose(const vec_t *angles, vec_t *forward, vec_t *right, vec_t *up);
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void AngleMatrix(const vec_t *angles, float(*matrix)[4]);
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NOBODY void AngleIMatrix(const vec_t *angles, float *matrix);
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NOBODY void NormalizeAngles(float *angles);
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NOBODY void InterpolateAngles(float *start, float *end, float *output, float frac);
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void VectorTransform(const vec_t *in1, float *in2, vec_t *out);
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int VectorCompare(const vec_t *v1, const vec_t *v2);
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void VectorMA(const vec_t *veca, float scale, const vec_t *vecm, vec_t *out);
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#ifdef REHLDS_FIXES
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float _DotProduct(const vec_t *v1, const vec_t *v2); // with sse support
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#else // REHLDS_FIXES
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long double _DotProduct(const vec_t *v1, const vec_t *v2); // precise
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#endif // REHLDS_FIXES
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NOBODY void _VectorSubtract(vec_t *veca, vec_t *vecb, vec_t *out);
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void _VectorAdd(vec_t *veca, vec_t *vecb, vec_t *out);
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NOBODY void _VectorCopy(vec_t *in, vec_t *out);
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void CrossProduct(const vec_t *v1, const vec_t *v2, vec_t *cross);
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float Length(const vec_t *v);
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float Length2D(const vec_t *v);
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float VectorNormalize(vec_t *v);
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NOBODY void VectorInverse(vec_t *v);
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void VectorScale(const vec_t *in, float scale, vec_t *out);
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NOBODY int Q_log2(int val);
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NOBODY void VectorMatrix(vec_t *forward, vec_t *right, vec_t *up);
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void VectorAngles(const vec_t *forward, vec_t *angles);
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NOBODY void R_ConcatRotations(float *in1, float *in2, float *out);
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void R_ConcatTransforms(float in1[3][4], float in2[3][4], float out[3][4]);
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NOBODY void FloorDivMod(double numer, double denom, int *quotient, int *rem);
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NOBODY int GreatestCommonDivisor(int i1, int i2);
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NOBODY fixed16_t Invert24To16(fixed16_t val);
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#endif // MATHLIB_E_H
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