oot/include/z64math.h

#ifndef _Z64MATH_H_
#define _Z64MATH_H_

#include <ultra64.h>

#define VEC_SET(V,X,Y,Z) V.x=X;V.y=Y;V.z=Z

typedef struct {
    f32 x, y;
} Vec2f; // size = 0x08

typedef struct {
    f32 x, y, z;
} Vec3f; // size = 0x0C

typedef struct {
    u16 x, y, z;
} Vec3us; // size = 0x06

typedef struct {
    s16 x, y, z;
} Vec3s; // size = 0x06

typedef struct {
    s32 x, y, z;
} Vec3i; // size = 0x0C

typedef struct {
    Vec3s center;
    s16 radius;
} Sphere16; // size = 0x08

typedef struct {
    Vec3f center;
    f32 radius;
} Spheref; // size = 0x10


typedef struct {
    Vec3f normal;
    f32 originDist;
} Plane; // size = 0x10

typedef struct {
    Vec3f vtx[3];
    Plane plane;
} TriNorm; // size = 0x34

typedef struct {
    /* 0x0000 */ s16 radius;
    /* 0x0002 */ s16 height;
    /* 0x0004 */ s16 yShift;
    /* 0x0006 */ Vec3s pos;
} Cylinder16; // size = 0x0C

typedef struct {
    f32 radius;
    f32 height;
    f32 yShift;
    Vec3f pos;
} Cylinderf; // size = 0x18

typedef struct {
    /* 0x0000 */ Vec3f point;
    /* 0x000C */ Vec3f dir;
} InfiniteLine; // size = 0x18

typedef struct {
    /* 0x0000 */ Vec3f a;
    /* 0x000C */ Vec3f b;
} Linef; // size = 0x18

// Defines a point in the spherical coordinate system
typedef struct {
    f32 r;      // radius
    s16 pitch;  // polar (zenith) angle
    s16 yaw;    // azimuthal angle
} VecSph; // size = 0x08

#define IS_ZERO(f) (fabsf(f) < 0.008f)

/**
 * Trig macros
*/
#define DEGF_TO_BINANG(degreesf) ((s16)(degreesf * (65535.0f / 360.0f) + 0.5f))
#define RADF_TO_DEGF(radf) (radf * (180.0f / M_PI))
#define DEGF_TO_RADF(degf) (degf * (M_PI / 180.0f))

#endif