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e51f50f0ff
* working * start color switch * progress * progress * progress on bgm func * progress * game over matched (except the rodata meme) * start update * progress * lightning docs done * progress * progress * progress * progress * progress * can compile at least * suns state, progress on kankyo_update * some new names * progress * progress * progress * new functions * cleanup * more matches * another match * now functional * format * better match * hugely improved update * cleanup/review * remove old changes * review2 * review3 * missed one * review4 * change asm filenames * update doorwarp1 * review5 * Kankyo_ -> Environment_ * format * merge master and format functions.h Co-authored-by: Jacob Young <jacobly0@users.noreply.github.com> Co-authored-by: fig <fig02srl@gmail.com> Co-authored-by: petrie911 <pmontag@DESKTOP-LG8A167.localdomain>
112 lines
3 KiB
C
112 lines
3 KiB
C
#ifndef Z64MATH_H
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#define Z64MATH_H
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#include "ultra64.h"
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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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f32 x, y;
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} Vec2f; // size = 0x08
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typedef struct {
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f32 x, y, z;
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} Vec3f; // size = 0x0C
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typedef struct {
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u16 x, y, z;
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} Vec3us; // size = 0x06
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typedef struct {
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s16 x, y, z;
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} Vec3s; // size = 0x06
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typedef struct {
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s32 x, y, z;
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} Vec3i; // size = 0x0C
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typedef struct {
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Vec3s center;
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s16 radius;
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} Sphere16; // size = 0x08
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typedef struct {
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Vec3f center;
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f32 radius;
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} Spheref; // size = 0x10
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typedef struct {
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Vec3f normal;
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f32 originDist;
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} Plane; // size = 0x10
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typedef struct {
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Vec3f vtx[3];
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Plane plane;
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} TriNorm; // size = 0x34
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typedef struct {
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/* 0x0000 */ s16 radius;
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/* 0x0002 */ s16 height;
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/* 0x0004 */ s16 yShift;
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/* 0x0006 */ 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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/* 0x0000 */ Vec3f point;
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/* 0x000C */ Vec3f dir;
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} InfiniteLine; // size = 0x18
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typedef struct {
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/* 0x0000 */ Vec3f a;
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/* 0x000C */ Vec3f b;
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} Linef; // 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 LERP(x, y, scale) (((y) - (x)) * (scale) + (x))
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#define LERP32(x, y, scale) ((s32)(((y) - (x)) * (scale)) + (x))
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#define F32_LERP(v0,v1,t) ((v0) * (1.0f - (t)) + (v1) * (t))
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#define F32_LERPIMP(v0, v1, t) (v0 + ((v1 - v0) * t))
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#define F32_LERPIMPINV(v0, v1, t) ((v0) + (((v1) - (v0)) / (t)))
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#define BINANG_LERPIMP(v0, v1, t) ((v0) + (s16)(BINANG_SUB((v1), (v0)) * (t)))
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#define BINANG_LERPIMPINV(v0, v1, t) ((v0) + BINANG_SUB((v1), (v0)) / (t))
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#define VEC3F_LERPIMPDST(dst, v0, v1, t){ \
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(dst)->x = (v0)->x + (((v1)->x - (v0)->x) * t); \
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(dst)->y = (v0)->y + (((v1)->y - (v0)->y) * t); \
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(dst)->z = (v0)->z + (((v1)->z - (v0)->z) * t); \
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}
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#define IS_ZERO(f) (fabsf(f) < 0.008f)
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// Trig macros
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#define DEGF_TO_BINANG(degreesf) (s16)(degreesf * 182.04167f + .5f)
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#define RADF_TO_BINANG(radf) (s16)(radf * (32768.0f / M_PI))
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#define RADF_TO_DEGF(radf) (radf * (180.0f / M_PI))
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#define DEGF_TO_RADF(degf) (degf * (M_PI / 180.0f))
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#define BINANG_ROT180(angle) ((s16)(angle - 0x7FFF))
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#define BINANG_SUB(a, b) ((s16)(a - b))
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#define DEG_TO_RAD(degrees) ((degrees) * (M_PI / 180.0f))
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#define BINANG_TO_DEGF(binang) ((f32)binang * (360.0001525f / 65535.0f))
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#define BINANG_TO_RAD(binang) (((f32)binang / 32768.0f) * M_PI)
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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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