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EllipticEllipsis
8049dec339
* Import data and bss, add some name options * Decomp rest of stack functions, remove RSPMatrix, split header * sys_matrix OK (thanks Tharo) Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com> * pragma weaks in sinf and cosf, change documentation change mcros to use 0x8000 * Rename sinf and cosf * Correct initialisation of sMtxFClear * More minor cleanup * Rename stack functions * Matrix_InsertMatrix -> Matrix_Mult * The big transpose rename * Fix MirRay_DrawReflectedBeam * Matrix_InsertTranslation -> Matrix_Translate * Matrix_Insert.Rotation_s -> Matrix_Rotate$1S + RotateY -> RotateYS * Matrix_Insert(.)Rotation_f -> Matrix_Rotate$1F * Matrix_RotateStateAroundXAxis -> Matrix_RotateXFApply Matrix_SetStateXRotation -> Matrix_RotateXFNew * Matrix_MultiplyVector3fByState -> Matrix_MultVec3f * Matrix_MultiplyVector3fXZByCurrentState -> Matrix_MultVec3fXZ * Matrix_GetStateTranslation -> Matrix_MultZero * Matrix_GetStateTranslationAndScaled(.) -> Matrix_MultVec$1 * Matrix_FromRSPMatrix -> Matrix_MtxToMtxF * Matrix_MultiplyVector3fByMatrix -> Matrix_MultVec3fExt * Matrix_TransposeXYZ -> Matrix_Transpose * Matrix_ToRSPMatrix -> Matrix_MtxFToMtx * Matrix_AppendToPolyOpaDisp -> Matrix_MtxFToNewMtx and document the conversion functions * Matrix_NormalizeXYZ -> Matrix_ReplaceRotation * Matrix_InsertRotationAroundUnitVector_f -> Matrix_RotateAxisF and S * Matrix_InsertRotation -> Matrix_RotateZYX * Document the last functions * Small cleanup * Matrix_JointPosition -> Matrix_TranslateRotateZYX * Matrix_SetStateRotationAndTranslation -> Matrix_SetTranslateRotateYXZ * func_8018219C -> Matrix_MtxFToYXZRot * func_801822C4 -> Matrix_MtxFToZYXRot * Fix files * Format * Review 1 * Renames * Fix warning in EnDragon * Format * Convert `mode` to an actual enum * Add enums, typedefs, externs to sys_matrix header * Review * One more * More review * Fix function names * Format * Fix names * Format * Review * engineer's review * Fix build * Format * Fix again Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com>
131 lines
3.5 KiB
C
131 lines
3.5 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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/* 0x00 */ s16 x;
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/* 0x02 */ s16 z;
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} Vec2s; // size = 0x04
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typedef struct {
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/* 0x00 */ f32 x;
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/* 0x04 */ f32 z;
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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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/*
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The plane paramaters are of form `ax + by + cz + d = 0`
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where `(a,b,c)` is the plane's normal vector and d is the originDist
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*/
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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 LERPIMP(v0, v1, t) ((v0) + (((v1) - (v0)) * (t)))
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#define F32_LERP(v0, v1, t) ((1.0f - (t)) * (f32)(v0) + (t) * (f32)(v1))
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#define F32_LERPIMP(v0, v1, t) ((f32)(v0) + (((f32)(v1) - (f32)(v0)) * (t)))
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#define F32_LERPIMPINV(v0, v1, t) ((f32)(v0) + (((f32)(v1) - (f32)(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 * (0x8000 / 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 + 0x8000))
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#define BINANG_SUB(a, b) ((s16)(a - b))
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#define BINANG_ADD(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 / 0x8000) * 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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