mirror of
https://github.com/UberGames/lilium-voyager.git
synced 2024-11-10 14:41:42 +00:00
102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
/*
|
|
===========================================================================
|
|
Copyright (C) 2010 James Canete (use.less01@gmail.com)
|
|
|
|
This file is part of Quake III Arena source code.
|
|
|
|
Quake III Arena source code 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.
|
|
|
|
Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
===========================================================================
|
|
*/
|
|
// tr_extramath.h
|
|
|
|
#ifndef __TR_EXTRAMATH_H__
|
|
#define __TR_EXTRAMATH_H__
|
|
|
|
typedef vec_t mat4_t[16];
|
|
typedef int ivec2_t[2];
|
|
typedef int ivec3_t[3];
|
|
typedef int ivec4_t[4];
|
|
|
|
void Mat4Zero( mat4_t out );
|
|
void Mat4Identity( mat4_t out );
|
|
void Mat4Copy( const mat4_t in, mat4_t out );
|
|
void Mat4Multiply( const mat4_t in1, const mat4_t in2, mat4_t out );
|
|
void Mat4Transform( const mat4_t in1, const vec4_t in2, vec4_t out );
|
|
qboolean Mat4Compare(const mat4_t a, const mat4_t b);
|
|
void Mat4Dump( const mat4_t in );
|
|
void Mat4Translation( vec3_t vec, mat4_t out );
|
|
void Mat4Ortho( float left, float right, float bottom, float top, float znear, float zfar, mat4_t out );
|
|
void Mat4View(vec3_t axes[3], vec3_t origin, mat4_t out);
|
|
void Mat4SimpleInverse( const mat4_t in, mat4_t out);
|
|
|
|
#define VectorCopy2(a,b) ((b)[0]=(a)[0],(b)[1]=(a)[1])
|
|
#define VectorSet2(v,x,y) ((v)[0]=(x),(v)[1]=(y));
|
|
|
|
#define VectorCopy4(a,b) ((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2],(b)[3]=(a)[3])
|
|
#define VectorSet4(v,x,y,z,w) ((v)[0]=(x),(v)[1]=(y),(v)[2]=(z),(v)[3]=(w))
|
|
#define DotProduct4(a,b) ((a)[0]*(b)[0] + (a)[1]*(b)[1] + (a)[2]*(b)[2] + (a)[3]*(b)[3])
|
|
#define VectorScale4(a,b,c) ((c)[0]=(a)[0]*(b),(c)[1]=(a)[1]*(b),(c)[2]=(a)[2]*(b),(c)[3]=(a)[3]*(b))
|
|
|
|
#define VectorCopy5(a,b) ((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2],(b)[3]=(a)[3],(b)[4]=(a)[4])
|
|
|
|
#define OffsetByteToFloat(a) ((float)(a) * 1.0f/127.5f - 1.0f)
|
|
#define FloatToOffsetByte(a) (byte)((a) * 127.5f + 128.0f)
|
|
#define ByteToFloat(a) ((float)(a) * 1.0f/255.0f)
|
|
#define FloatToByte(a) (byte)((a) * 255.0f)
|
|
|
|
static ID_INLINE int VectorCompare4(const vec4_t v1, const vec4_t v2)
|
|
{
|
|
if(v1[0] != v2[0] || v1[1] != v2[1] || v1[2] != v2[2] || v1[3] != v2[3])
|
|
{
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static ID_INLINE int VectorCompare5(const vec5_t v1, const vec5_t v2)
|
|
{
|
|
if(v1[0] != v2[0] || v1[1] != v2[1] || v1[2] != v2[2] || v1[3] != v2[3] || v1[4] != v2[4])
|
|
{
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void VectorLerp( vec3_t a, vec3_t b, float lerp, vec3_t c);
|
|
|
|
|
|
qboolean SpheresIntersect(vec3_t origin1, float radius1, vec3_t origin2, float radius2);
|
|
void BoundingSphereOfSpheres(vec3_t origin1, float radius1, vec3_t origin2, float radius2, vec3_t origin3, float *radius3);
|
|
|
|
#ifndef SGN
|
|
#define SGN(x) (((x) >= 0) ? !!(x) : -1)
|
|
#endif
|
|
|
|
#ifndef MAX
|
|
#define MAX(a,b) ((a) > (b) ? (a) : (b))
|
|
#endif
|
|
|
|
#ifndef MIN
|
|
#define MIN(a,b) ((a) < (b) ? (a) : (b))
|
|
#endif
|
|
|
|
#ifndef CLAMP
|
|
#define CLAMP(a,b,c) MIN(MAX((a),(b)),(c))
|
|
#endif
|
|
|
|
int NextPowerOfTwo(int in);
|
|
unsigned short FloatToHalf(float in);
|
|
|
|
#endif
|