math_util.h

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#ifndef MATH_UTIL_H
#define MATH_UTIL_H
 
#include <PR/ultratypes.h>
 
#include "types.h"
 
//#define sins(x) gSineTable[(u16) (x) >> 4]
//#define coss(x) gCosineTable[(u16) (x) >> 4]
 
//#define min(a, b) ((a) <= (b) ? (a) : (b))
//#define max(a, b) ((a) > (b) ? (a) : (b))
 
#define sqr(x) ((x) * (x))
 
// Here to appease the pragma gods
double fabs(double x);
 
s32  render_set_position(Mat4, s32);
f32  func_802B51E8(Vec3f, Vec3f);
u32  get_angle_between_points(Vec3f, Vec3f);
u32  func_802B5258(Vec3f, Vec3s);
void vec3f_set(Vec3f, f32, f32, f32);
void vec3s_set(Vec3s, s16, s16, s16);
void *vec3f_copy_return(Vec3f, Vec3f);
void vec3s_copy(Vec3s, Vec3s);
void *vec3f_set_return(Vec3f, f32, f32, f32);
void mtxf_copy(Mat4, Mat4);
void mtxf_copy_n_element(s32*, s32*, s32);
void mtxf_identity(Mat4);
void add_translate_mat4_vec3f(Mat4, Mat4, Vec3f);
void add_translate_mat4_vec3f_lite(Mat4, Mat4, Vec3f);
void mtxf_translate(Mat4, Vec3f);
void func_802B5564(Mat4, u16*, f32, f32, f32, f32, f32);
void mtxf_rotate_x(Mat4, s16);
void mtxf_rotate_y(Mat4, s16);
void mtxf_s16_rotate_z(Mat4, s16);
void func_802B5CAC(s16, s16, Vec3f);
void func_802B5D30(s16, s16, s32);
void func_802B5D64(uintptr_t, s16, s16, s32);
void mtxf_scale(Mat4, f32);
void func_802B5F74(Mat4, Vec3f, Vec3s);
void mtxf_translate_vec3f_mat3(Vec3f, Mat3);
void mtxf_translate_vec3f_mat4(Vec3f, Mat4);
void func_802B64C4(Vec3f, s16);
void calculate_orientation_matrix(Mat3, f32, f32, f32, s16);
void calculate_rotation_matrix(Mat3, s16, f32, f32, f32);
void func_802B6BC0(Mat4, s16, f32, f32, f32);
void func_802B6D58(Mat4, Vec3f, Vec3f);
void mtxf_multiplication(Mat4, Mat4, Mat4);
void mtxf_to_mtx(Mtx*, Mat4);
u16  atan2_lookup(f32, f32);
u16  atan2s(f32, f32);
f32  atan2f(f32, f32);
s16  func_802B7C40(f32);
s16  func_802B7CA8(f32);
f32 calculate_vector_angle_xy(f32);
u16  random_u16(void);
u16  random_int(u16);
s16  func_802B7F34(f32, f32, f32, f32);
void func_802B7F7C(Vec3f, Vec3f, Vec3s);
f32  sins(u16);
f32  coss(u16);
s32  is_visible_between_angle(u16, u16, u16);
f32  is_within_render_distance(Vec3f, Vec3f, u16, f32, f32, f32);
 
extern s32 D_802B91C0[];
extern Vec3f D_802B91C8;
 
// end of math_util.c variables
 
extern u16 gRandomSeed16;
 
#endif // MATH_UTIL_H