mirror of https://github.com/zeldaret/mm.git
100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
#ifndef _Z64MATH_H_
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#define _Z64MATH_H_
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#include <ultra64.h>
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#define SHT_MAX 32767.0f
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#define M_PI 3.14159265358979323846f
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#define VEC_SET(V,X,Y,Z) V.x=X;V.y=Y;V.z=Z
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typedef struct {
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/* 0x00 */ f32 x;
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/* 0x04 */ f32 y;
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} Vec2f; // size = 0x08
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typedef struct {
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/* 0x00 */ f32 x;
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/* 0x04 */ f32 y;
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/* 0x08 */ f32 z;
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} Vec3f; // size = 0x0C
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typedef struct {
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/* 0x00 */ u16 x;
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/* 0x02 */ u16 y;
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/* 0x04 */ u16 z;
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} Vec3us; // size = 0x06
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typedef struct {
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/* 0x00 */ s16 x;
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/* 0x02 */ s16 y;
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/* 0x04 */ s16 z;
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} Vec3s; // size = 0x06
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typedef struct {
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/* 0x00 */ s32 x;
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/* 0x04 */ s32 y;
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/* 0x08 */ s32 z;
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} Vec3i; // size = 0x0C
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typedef struct {
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/* 0x00 */ Vec3s center;
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/* 0x06 */ s16 radius;
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} Sphere16; // size = 0x08
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typedef struct {
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/* 0x00 */ Vec3f center;
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/* 0x0C */ f32 radius;
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} Spheref; // size = 0x10
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typedef struct {
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/* 0x00 */ Vec3f normal;
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/* 0x0C */ f32 originDist;
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} Plane; // size = 0x10
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typedef struct {
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/* 0x00 */ Vec3f vtx[3];
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/* 0x24 */ Plane plane;
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} TriNorm; // size = 0x34
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typedef struct {
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/* 0x00 */ s16 radius;
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/* 0x02 */ s16 height;
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/* 0x04 */ s16 yShift;
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/* 0x06 */ Vec3s pos;
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} Cylinder16; // size = 0x0C
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typedef struct {
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/* 0x00 */ f32 radius;
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/* 0x04 */ f32 height;
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/* 0x08 */ f32 yShift;
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/* 0x0C */ Vec3f pos;
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} Cylinderf; // size = 0x18
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typedef struct {
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/* 0x00 */ Vec3f point;
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/* 0x0C */ Vec3f dir;
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} InfiniteLine; // size = 0x18
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typedef struct {
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/* 0x00 */ Vec3f a;
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/* 0x0C */ Vec3f b;
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} LineSegment; // size = 0x18
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// Defines a point in the spherical coordinate system
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typedef struct {
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/* 0x00 */ f32 r; // radius
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/* 0x04 */ s16 pitch; // polar (zenith) angle
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/* 0x06 */ s16 yaw; // azimuthal angle
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} VecSph; // size = 0x08
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#define IS_ZERO(f) (fabsf(f) < 0.008f)
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// Vector macros
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#define SQXZ(vec) ((vec.x) * (vec.x) + (vec.z) * (vec.z))
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#define DOTXZ(vec1, vec2) ((vec1.x) * (vec2.x) + (vec1.z) * (vec2.z))
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#define SQXYZ(vec) ((vec.x) * (vec.x) + (vec.y) * (vec.y) + (vec.z) * (vec.z))
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#define DOTXYZ(vec1, vec2) ((vec1.x) * (vec2.x) + (vec1.y) * (vec2.y) + (vec1.z) * (vec2.z))
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#endif
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