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- #ifndef __MATHLIB__
- #define __MATHLIB__
- #include <math.h>
- #ifdef DOUBLEVEC_T
- typedef double vec_t;
- #else
- typedef float vec_t;
- #endif
- typedef vec_t vec2_t[3];
- typedef vec_t vec3_t[3];
- typedef vec_t vec4_t[4];
- #define SIDE_FRONT 0
- #define SIDE_ON 2
- #define SIDE_BACK 1
- #define SIDE_CROSS -2
- #define Q_PI 3.14159265358979323846
- #define DEG2RAD( a ) ( ( (a) * Q_PI ) / 180.0F )
- #define RAD2DEG( a ) ( ( (a) * 180.0f ) / Q_PI )
- extern vec3_t vec3_origin;
- #define EQUAL_EPSILON 0.001
- #define PLANE_X 0
- #define PLANE_Y 1
- #define PLANE_Z 2
- #define PLANE_NON_AXIAL 3
- qboolean VectorCompare( const vec3_t v1, const vec3_t v2 );
- #define DotProduct(x,y) (x[0]*y[0]+x[1]*y[1]+x[2]*y[2])
- #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 VectorScale(a,b,c) {c[0]=b*a[0];c[1]=b*a[1];c[2]=b*a[2];}
- #define VectorClear(x) {x[0] = x[1] = x[2] = 0;}
- #define VectorNegate(x) {x[0]=-x[0];x[1]=-x[1];x[2]=-x[2];}
- void Vec10Copy( vec_t *in, vec_t *out );
- vec_t Q_rint (vec_t in);
- vec_t _DotProduct (vec3_t v1, vec3_t v2);
- void _VectorSubtract (vec3_t va, vec3_t vb, vec3_t out);
- void _VectorAdd (vec3_t va, vec3_t vb, vec3_t out);
- void _VectorCopy (vec3_t in, vec3_t out);
- void _VectorScale (vec3_t v, vec_t scale, vec3_t out);
- double VectorLength( const vec3_t v );
- void VectorMA( const vec3_t va, double scale, const vec3_t vb, vec3_t vc );
- void CrossProduct( const vec3_t v1, const vec3_t v2, vec3_t cross );
- vec_t VectorNormalize( const vec3_t in, vec3_t out );
- vec_t ColorNormalize( const vec3_t in, vec3_t out );
- void VectorInverse (vec3_t v);
- void ClearBounds (vec3_t mins, vec3_t maxs);
- void AddPointToBounds( const vec3_t v, vec3_t mins, vec3_t maxs );
- qboolean PlaneFromPoints( vec4_t plane, const vec3_t a, const vec3_t b, const vec3_t c );
- void NormalToLatLong( const vec3_t normal, byte bytes[2] );
- int PlaneTypeForNormal (vec3_t normal);
- #endif
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