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oot/include/z64math.h
krimtonz 321388673b
decompile z_camera (#398)
* cleanup

* name camera action functions

* decompile a few small functions, name a few Camera struct members

* decompile camera data, decompile a few camera functions

* Split ASM for code_800BB0A0

* removing code_800BB0A0.s

* PR Requests, Camera WIP

* remove #define NON_MATCHING from db_camera

* rename code_8007BF90.c to z_olib.c, rename functions in z_olib.c

* camera wip

* rename some struct memebers, some decomp wip

* pr updates

* camera wip

* name some fields in Camera Struct, being making sense of Camera_Update

* Camera WIP

* wip

* wip

* add z64camera.h header, begin creating CameraSetting macros

* wip

* wip

* wip

* wip

* migrate camera bss to c

* match a couple functions in db_camera

* match some small db_camera functions

* wip

* migrate db_camera rodata, match a few functions

* remote db_camera.rodata.s

* match some of db_camera

* identify types of some unknown data pieces

* some small wip

* Match Camera_Init, some function changes, some struct name changes.  Change unk_C0 and unk_CC to floats from Vec3fs

* add naming for a few more Camera struct members

* wip

* match func_80043F94

* Match Camera_Jump1

* document some of Camera_Jump1

* wip

* match Camera_Jump3

* Match Camera_Update, FeelsAmazing

* wip

* wip

* match Camera_SetParam

* minor cleanup

* wip

* wip

* match Camera_KeepOn0

* some documentation, modify some matching functions to match style of others.

* match Camera_Demo1

* match camera_demo9

* document Camera_Demo1 and Camera_Demo9

* wip

* Match camera_battle4

* match camera_unique2

* Match Camera_Unique3

* match camera_special6

* match Camera_Special5

* wip

* document camera_special6

* naming updates

* match camera_Unique1

* match Camera_Unique0

* wip

* Match Camera_CalcUpFromPitchYawRoll

* match func_80045508

* document Camera_Battle4

* document several camera functions, move camera data to separate file

* rename phi/theta to pitch/yaw

* wip

* uniq9 wip

* Camera_Unqiue9 OK

* document Camera_Unique9

* name unk_160 in camera struct

* wip

* wip

* minor updates

* fix conflicts

* wip

* wip

* Olib updates

* wip

* wip

* rename most Math3D functions, few matches, documentation

* wip

* document most of math3d

* wip

* wip

* wip

* pr updates

* Match Camera_Fixed4

* match func_80058E8C

* pr updates

* add missing comment block finalizer

* Merge math3dupdates

* match Camera_ChangeSetting

* Match Camera_ChangeMode

* match func_80058148

* Match Camera_Special9

* decompile the rest of camera data

* match Camera_Demo5

* name a few camera functions in z_play

* match func_80046CB4, some work on other fucntions

* wip

* impove some non matchings

* fix function rename

* match func_800588B4

* match Camera_Subj4

* wip

* Camera_Demo3 matching, Camera_Battle1 big progress

* Camera_Normal2 OK

* wip

* match Camera_Parallel1

* normalize some things across functions

* match Camera_Normal1

* Match Camera_Normal3

* some cleanup

* more cleanup

* more cleanup , match Camera_CalcDefaultPitch

* data formatting

* Match Camera_Jump2

* document Camera_Jump2

* Match Camera_KeepOn3

* document some of Camera_KeepOn3

* improve some non_matchings

* match func_80045C74 and func_800460A8

* code cleanup, documentation

* match Camera_KeepOn1

* Match Camera_Subj3

* Match Camera_Battle1

* remove non_matching from func_80044adc and func_80046e20

* name several members of Battle1

* more documentation on Battle1

* cleanup

* renaming Camera_Vec3fScaleXYZFactor to Camera_Vec3fTranslateByUnitVector

* reorganize update structs, remove final references to params, remove CameraParams union

* implement camera enums into player

* Renaming Camera_GetDir to Camera_GetInputDir, Camera_GetRealDir to Camera_GetCamDir, etc, implement camera enum's into player

* remove non-global camera variables from variables.h

* clean up some variable declarations

* finish pr comment updates

* fix some warnings

* data formatting

* finish commenting on data

* delete unused asm

* remove asm

Co-authored-by: fig <fig02srl@gmail.com>
2020-12-06 17:39:47 -05:00

106 lines
2.5 KiB
C

#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 {
/* 0x00 */ f32 radius;
/* 0x04 */ f32 height;
/* 0x08 */ f32 yShift;
/* 0x0C */ 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 {
/* 0x00 */ f32 r; // radius
/* 0x04 */ s16 pitch; // polar (zenith) angle
/* 0x06 */ s16 yaw; // azimuthal angle
} VecSph; // size = 0x08
#define F32_LERP(v0,v1,t) ((1.0f - (t)) * (v0) + (t) * (v1))
#define F32_LERPIMP(v0, v1, t) (v0 + ((v1 - v0) * t))
#define F32_LERPIMPINV(v0, v1, t) ((v0) + (((v1) - (v0)) / (t)))
#define BINANG_LERPIMP(v0, v1, t) ((v0) + (s16)(BINANG_SUB((v1), (v0)) * (t)))
#define BINANG_LERPIMPINV(v0, v1, t) ((v0) + BINANG_SUB((v1), (v0)) / (t))
#define VEC3F_LERPIMPDST(dst, v0, v1, t){ \
(dst)->x = (v0)->x + (((v1)->x - (v0)->x) * t); \
(dst)->y = (v0)->y + (((v1)->y - (v0)->y) * t); \
(dst)->z = (v0)->z + (((v1)->z - (v0)->z) * t); \
}
#define IS_ZERO(f) (fabsf(f) < 0.008f)
#define COLPOLY_NORM_FRAC (1.0f / 32767)
#define BGCHECK_Y_MIN -32000.0f
/**
* Trig macros
*/
#define DEGF_TO_BINANG(degreesf) (s16)(degreesf * 182.04167f + 0.5f)
#define RADF_TO_DEGF(radf) (radf * (180.0f / M_PI))
#define DEGF_TO_RADF(degf) (degf * (M_PI / 180.0f))
#define BINANG_ROT180(angle) ((s16)(angle - 0x7FFF))
#define BINANG_SUB(a, b) ((s16)(a - b))
#define DEG_TO_RAD(degrees) ((degrees) * (M_PI / 180.0f))
#define BINANG_TO_DEGF(binang) ((f32)binang * (360.0001525f / 65535.0f))
#endif