gd_math.c File Reference

#include <ultra64.h>
#include <macros.h>
#include "gd_types.h"
#include "gd_macros.h"
#include "gd_main.h"
#include "gd_math.h"
#include "debug_utils.h"
#include "renderer.h"

Data Structures
struct	Row4
struct	InvMat4

Macros
#define	MAT4_DOT_PROD(A, B, R, row, col)
#define	MAT4_MULTIPLY(A, B, R)

Functions
f32	gd_sqrt_f (f32 val)
void	func_80193B68 (Mat4f *mtx, f32 a1, f32 a2, f32 a3, f32 sp78, f32 sp7C, f32 sp80, f32 sp84, f32 sp88, f32 sp8C)
void	func_8019415C (Mat4f *mtx, struct GdVec3f *vec)
void	func_80194220 (Mat4f *mtx, struct GdVec3f *vec)
void	func_801942E4 (Mat4f *mtx, struct GdVec3f *vec)
void	func_80194358 (Mat4f *mtx, struct GdVec3f *vec, f32 a2)
f32	func_80194728 (f32 a, f32 b)
void	limit_vec3f (struct GdVec3f *vec, f32 limit)
void	func_80194880 (f32 a0, f32 *a1, f32 *a2)
void	Unknown8019498C (Mat4f *a0, s32 row, f32 a2)
void	absrot_mat4 (Mat4f *mtx, s32 axisnum, f32 a2)
f32	magnitude_vec3f (struct GdVec3f *vec)
s32	into_unit_vec3f (struct GdVec3f *vec)
void	cross_product_vec3f (struct GdVec3f *a, struct GdVec3f *b, struct GdVec3f *dst)
f32	dot_product_vec3f (struct GdVec3f *a, struct GdVec3f *b)
void	Unknown80194DFC (Mat4f *src, Mat4f *dst)
void	func_80194F90 (Mat4f *, Mat4f *)
f32	func_80195578 (Mat4f *)
void	inverse_mat4 (Mat4f *src, Mat4f *dst)
f32	func_80195844 (f32, f32, f32, f32, f32, f32, f32, f32, f32)
f32	func_8019590C (f32, f32, f32, f32)
void	Unknown80195950 (Mat4f *mtx, struct GdVec3f *vec, f32 x, f32 y, f32 z)
void	Unknown801959E0 (f32 *a0, struct GdVec3f *vec, f32 a2, s32 a3, s32 sp38)
void	Unknown80195B04 (f32 *a0, UNUSED s32 a1, f32 a2, f32 a3, s32 sp28, s32 sp2C)
void	func_80195C78 (Mat4f *mtx)
void	Unknown80195D98 (f32 *a0, UNUSED s32 a1, Mat4f *mtx)
void	func_80195FD4 (Mat4f *mtx, struct GdVec3f *vec, f32 a, f32 b)
void	func_801961F4 (Mat4f *mtx, struct GdVec3f *vec, f32 ang)
void	set_identity_mat4 (Mat4f *mtx)
void	cpy_mat4 (const Mat4f *src, Mat4f *dst)
void	func_80196430 (struct GdVec3f *vec, const Mat4f *mtx)
void	func_80196540 (struct GdVec3f *vec, const Mat4f *mtx)
void	multiply_mat4 (const Mat4f *mA, const Mat4f *mB, Mat4f *dst)
void	gd_print_vec (UNUSED const char *prefix, UNUSED const struct GdVec3f *vec)
void	gd_print_plane (UNUSED const char *prefix, UNUSED const struct GdPlaneF *p)
void	gd_print_mtx (UNUSED const char *prefix, const Mat4f *mtx)
void	Unknown80197068 (const char *prefix, const f32 *f)
void	Unknown801970F0 (Mat4f *dst, f32 x, f32 y, f32 z, s32 copy)

Macro Definition Documentation

MAT4_DOT_PROD

#define MAT4_DOT_PROD	(		A,
			B,
			R,
			row,
			col
	)

Value:

{                                                                                                  \
        (R)[(row)][(col)] = (A)[(row)][0] * (B)[0][(col)];                                             \
        (R)[(row)][(col)] += (A)[(row)][1] * (B)[1][(col)];                                            \
        (R)[(row)][(col)] += (A)[(row)][2] * (B)[2][(col)];                                            \
        (R)[(row)][(col)] += (A)[(row)][3] * (B)[3][(col)];                                            \
    }

MAT4_MULTIPLY

#define MAT4_MULTIPLY	(		A,
			B,
			R
	)

Value:

{                                                                                                  \
        MAT4_DOT_PROD((A), (B), (R), 0, 0);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 0, 1);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 0, 2);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 0, 3);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 1, 0);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 1, 1);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 1, 2);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 1, 3);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 2, 0);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 2, 1);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 2, 2);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 2, 3);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 3, 0);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 3, 1);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 3, 2);                                                            \
        MAT4_DOT_PROD((A), (B), (R), 3, 3);                                                            \
    }

Function Documentation

absrot_mat4()

void absrot_mat4	(	Mat4f *	mtx,
		s32	axisnum,
		f32	a2
	)

cpy_mat4()

void cpy_mat4	(	const Mat4f *	src,
		Mat4f *	dst
	)

cross_product_vec3f()

void cross_product_vec3f	(	struct GdVec3f *	a,
		struct GdVec3f *	b,
		struct GdVec3f *	dst
	)

dot_product_vec3f()

f32 dot_product_vec3f	(	struct GdVec3f *	a,
		struct GdVec3f *	b
	)

func_80193B68()

void func_80193B68	(	Mat4f *	mtx,
		f32	a1,
		f32	a2,
		f32	a3,
		f32	sp78,
		f32	sp7C,
		f32	sp80,
		f32	sp84,
		f32	sp88,
		f32	sp8C
	)

func_8019415C()

void func_8019415C	(	Mat4f *	mtx,
		struct GdVec3f *	vec
	)

func_80194220()

void func_80194220	(	Mat4f *	mtx,
		struct GdVec3f *	vec
	)

func_801942E4()

void func_801942E4	(	Mat4f *	mtx,
		struct GdVec3f *	vec
	)

func_80194358()

void func_80194358	(	Mat4f *	mtx,
		struct GdVec3f *	vec,
		f32	a2
	)

func_80194728()

f32 func_80194728	(	f32	a,
		f32	b
	)

func_80194880()

void func_80194880	(	f32	a0,
		f32 *	a1,
		f32 *	a2
	)

func_80194F90()

void func_80194F90	(	Mat4f *	src,
		Mat4f *	adj
	)

func_80195578()

f32 func_80195578

(

Mat4f *

mtx

)

func_80195844()

f32 func_80195844	(	f32	r0c0,
		f32	r0c1,
		f32	r0c2,
		f32	r1c0,
		f32	r1c1,
		f32	r1c2,
		f32	r2c0,
		f32	r2c1,
		f32	r2c2
	)

func_8019590C()

f32 func_8019590C	(	f32	a,
		f32	b,
		f32	c,
		f32	d
	)

func_80195C78()

void func_80195C78

(

Mat4f *

mtx

)

func_80195FD4()

void func_80195FD4	(	Mat4f *	mtx,
		struct GdVec3f *	vec,
		f32	a,
		f32	b
	)

func_801961F4()

void func_801961F4	(	Mat4f *	mtx,
		struct GdVec3f *	vec,
		f32	ang
	)

func_80196430()

void func_80196430	(	struct GdVec3f *	vec,
		const Mat4f *	mtx
	)

func_80196540()

void func_80196540	(	struct GdVec3f *	vec,
		const Mat4f *	mtx
	)

gd_print_mtx()

void gd_print_mtx	(	UNUSED const char *	prefix,
		const Mat4f *	mtx
	)

gd_print_plane()

void gd_print_plane	(	UNUSED const char *	prefix,
		UNUSED const struct GdPlaneF *	p
	)

gd_print_vec()

void gd_print_vec	(	UNUSED const char *	prefix,
		UNUSED const struct GdVec3f *	vec
	)

gd_sqrt_f()

f32 gd_sqrt_f

(

f32

val

)

into_unit_vec3f()

s32 into_unit_vec3f

(

struct GdVec3f *

vec

)

inverse_mat4()

void inverse_mat4	(	Mat4f *	src,
		Mat4f *	dst
	)

limit_vec3f()

void limit_vec3f	(	struct GdVec3f *	vec,
		f32	limit
	)

magnitude_vec3f()

f32 magnitude_vec3f

(

struct GdVec3f *

vec

)

multiply_mat4()

void multiply_mat4	(	const Mat4f *	mA,
		const Mat4f *	mB,
		Mat4f *	dst
	)

set_identity_mat4()

void set_identity_mat4

(

Mat4f *

mtx

)

Unknown8019498C()

void Unknown8019498C	(	Mat4f *	a0,
		s32	row,
		f32	a2
	)

Unknown80194DFC()

void Unknown80194DFC	(	Mat4f *	src,
		Mat4f *	dst
	)

Unknown80195950()

void Unknown80195950	(	Mat4f *	mtx,
		struct GdVec3f *	vec,
		f32	x,
		f32	y,
		f32	z
	)

Unknown801959E0()

void Unknown801959E0	(	f32 *	a0,
		struct GdVec3f *	vec,
		f32	a2,
		s32	a3,
		s32	sp38
	)

Unknown80195B04()

void Unknown80195B04	(	f32 *	a0,
		UNUSED s32	a1,
		f32	a2,
		f32	a3,
		s32	sp28,
		s32	sp2C
	)

Unknown80195D98()

void Unknown80195D98	(	f32 *	a0,
		UNUSED s32	a1,
		Mat4f *	mtx
	)

Unknown80197068()

void Unknown80197068	(	const char *	prefix,
		const f32 *	f
	)

Unknown801970F0()

void Unknown801970F0	(	Mat4f *	dst,
		f32	x,
		f32	y,
		f32	z,
		s32	copy
	)