brender-1997/inc/vector.h
2022-05-03 14:31:40 -07:00

212 lines
4 KiB
C

/*
* Copyright (c) 1992,1993-1995 by Argonaut Technologies Limited. All rights reserved.
*
* $Id: vector.h 2.5 1996/10/03 11:10:17 sam Exp $
* $Locker: $
*
* Vector types
*/
#ifndef _VECTOR_H_
#define _VECTOR_H_
/*
* Scalar vector types
*/
typedef struct br_vector2 {
br_scalar v[2];
} br_vector2;
typedef struct br_vector3 {
br_scalar v[3];
} br_vector3;
typedef struct br_vector4 {
br_scalar v[4];
} br_vector4;
/*
* Fixed vectors
*/
typedef struct br_vector2_x {
br_fixed_ls v[2];
} br_vector2_x;
typedef struct br_vector3_x {
br_fixed_ls v[3];
} br_vector3_x;
typedef struct br_vector4_x {
br_fixed_ls v[4];
} br_vector4_x;
/*
* Float vectors
*/
typedef struct br_vector2_f {
br_float v[2];
} br_vector2_f;
typedef struct br_vector3_f {
br_float v[3];
} br_vector3_f;
typedef struct br_vector4_f {
br_float v[4];
} br_vector4_f;
/*
* Integer vectors
*/
typedef struct br_vector2_i {
br_int_32 v[2];
} br_vector2_i;
typedef struct br_vector3_i {
br_int_32 v[3];
} br_vector3_i;
typedef struct br_vector4_i {
br_int_32 v[4];
} br_vector4_i;
/*
* Fraction vector types
*/
typedef struct br_fvector2 {
br_fraction v[2];
} br_fvector2;
typedef struct br_fvector3 {
br_fraction v[3];
} br_fvector3;
typedef struct br_fvector4 {
br_fraction v[4];
} br_fvector4;
typedef struct br_fvector2_f {
br_fraction_f v[2];
} br_fvector2_f;
typedef struct br_fvector3_f {
br_fraction_f v[3];
} br_fvector3_f;
typedef struct br_fvector4_f {
br_fraction v[4];
} br_fvector4_f;
typedef struct br_fvector2_x {
br_fraction_x v[2];
} br_fvector2_x;
typedef struct br_fvector3_x {
br_fraction_x v[3];
} br_fvector3_x;
typedef struct br_fvector4_x {
br_fraction_x v[4];
} br_fvector4_x;
/*
* General structures for describing an axis aligned bounds
*/
typedef struct br_bounds2 {
br_vector2 min; /* Minimum corner */
br_vector2 max; /* Maximum corner */
} br_bounds2;
typedef struct br_bounds3 {
br_vector3 min; /* Minimum corner */
br_vector3 max; /* Maximum corner */
} br_bounds3;
typedef struct br_bounds4 {
br_vector4 min; /* Minimum corner */
br_vector4 max; /* Maximum corner */
} br_bounds4;
/*
* Float bounding boxes
*/
typedef struct br_bounds2_f {
br_vector2_f min; /* Minimum corner */
br_vector2_f max; /* Maximum corner */
} br_bounds2_f;
typedef struct br_bounds3_f {
br_vector3_f min; /* Minimum corner */
br_vector3_f max; /* Maximum corner */
} br_bounds3_f;
typedef struct br_bounds4_f {
br_vector4_f min; /* Minimum corner */
br_vector4_f max; /* Maximum corner */
} br_bounds4_f;
/*
* Fixed bounding boxes
*/
typedef struct br_bounds2_x {
br_vector2_x min; /* Minimum corner */
br_vector2_x max; /* Maximum corner */
} br_bounds2_x;
typedef struct br_bounds3_x {
br_vector3_x min; /* Minimum corner */
br_vector3_x max; /* Maximum corner */
} br_bounds3_x;
typedef struct br_bounds4_x {
br_vector4_x min; /* Minimum corner */
br_vector4_x max; /* Maximum corner */
} br_bounds4_x;
/*
* Integer bounding boxes
*/
typedef struct br_bounds2_i {
br_vector2_i min; /* Minimum corner */
br_vector2_i max; /* Maximum corner */
} br_bounds2_i;
typedef struct br_bounds3_i {
br_vector3_i min; /* Minimum corner */
br_vector3_i max; /* Maximum corner */
} br_bounds3_i;
typedef struct br_bounds4_i {
br_vector4_i min; /* Minimum corner */
br_vector4_i max; /* Maximum corner */
} br_bounds4_i;
/*
* Backwards compatibility
*/
typedef struct br_bounds3 br_bounds;
typedef struct br_bounds2_i br_bounds2i;
typedef struct br_bounds3_i br_bounds3i;
typedef struct br_bounds4_i br_bounds4i;
/*
* Macros for static initialisation
*/
#define BR_VECTOR2(a,b) {BR_SCALAR(a),BR_SCALAR(b)}
#define BR_VECTOR3(a,b,c) {BR_SCALAR(a),BR_SCALAR(b),BR_SCALAR(c)}
#define BR_VECTOR4(a,b,c,d) {BR_SCALAR(a),BR_SCALAR(b),BR_SCALAR(c),BR_SCALAR(d)}
#define BR_FVECTOR2(a,b) {BR_FRACTION(a),BR_FRACTION(b)}
#define BR_FVECTOR3(a,b,c) {BR_FRACTION(a),BR_FRACTION(b),BR_FRACTION(c)}
#define BR_FVECTOR4(a,b,c,d) {BR_FRACTION(a),BR_FRACTION(b),BR_FRACTION(c),BR_FRACTION(d)}
#endif