path: root/src/m_Do/m_Do_mtx.cpp

//
// Generated by dtk
// Translation Unit: m_Do_mtx.cpp
//

#include "d/dolzel.h" // IWYU pragma: keep
#include "m_Do/m_Do_mtx.h"
#include "dolphin/mtx/mtx.h"
#include "JSystem/JUtility/JUTAssert.h"
#include "SSystem/SComponent/c_m3d.h"
#include "SSystem/SComponent/c_math.h"

Mtx mDoMtx_stack_c::now;
Mtx mDoMtx_stack_c::buffer[16];

Mtx* mDoMtx_stack_c::next = mDoMtx_stack_c::buffer;
Mtx* mDoMtx_stack_c::end = mDoMtx_stack_c::buffer + ARRAY_SIZE(mDoMtx_stack_c::buffer);

mDoMtx_stack_c mDoMtx_stack;

mDoMtx_quatStack_c mDoMtx_quatStack;

Mtx g_mDoMtx_identity = {
    {1.0f, 0.0f, 0.0f, 0.0f},
    {0.0f, 1.0f, 0.0f, 0.0f},
    {0.0f, 0.0f, 1.0f, 0.0f},
};

/* 8000CB48-8000CBEC       .text mDoMtx_XYZrotM__FPA4_fsss */
void mDoMtx_XYZrotM(Mtx mtx, s16 x, s16 y, s16 z) {
    Mtx tmp;
    if (z != 0) {
        mDoMtx_ZrotS(tmp, z);
        mDoMtx_concat(mtx, tmp, mtx);
    }

    if (y != 0) {
        mDoMtx_YrotS(tmp, y);
        mDoMtx_concat(mtx, tmp, mtx);
    }

    if (x != 0) {
        mDoMtx_XrotS(tmp, x);
        mDoMtx_concat(mtx, tmp, mtx);
    }
}

/* 8000CBEC-8000CC84       .text mDoMtx_ZXYrotS__FPA4_fsss */
void mDoMtx_ZXYrotS(Mtx mtx, s16 x, s16 y, s16 z) {
    Mtx tmp;
    if (y != 0) {
        mDoMtx_YrotS(mtx, y);
    } else {
        mDoMtx_identity(mtx);
    }

    if (x != 0) {
        mDoMtx_XrotS(tmp, x);
        mDoMtx_concat(mtx, tmp, mtx);
    }

    if (z != 0) {
        mDoMtx_ZrotS(tmp, z);
        mDoMtx_concat(mtx, tmp, mtx);
    }
}

/* 8000CC84-8000CD28       .text mDoMtx_ZXYrotM__FPA4_fsss */
void mDoMtx_ZXYrotM(Mtx mtx, s16 x, s16 y, s16 z) {
    Mtx tmp;
    if (y != 0) {
        mDoMtx_YrotS(tmp, y);
        mDoMtx_concat(mtx, tmp, mtx);
    }

    if (x != 0) {
        mDoMtx_XrotS(tmp, x);
        mDoMtx_concat(mtx, tmp, mtx);
    }

    if (z != 0) {
        mDoMtx_ZrotS(tmp, z);
        mDoMtx_concat(mtx, tmp, mtx);
    }
}

/* 8000CD28-8000CD88       .text mDoMtx_XrotS__FPA4_fs */
void mDoMtx_XrotS(Mtx mtx, s16 x) {
    f32 l_cos = JMASCos(x);
    f32 l_sin = JMASSin(x);

    mtx[0][0] = 1.0f;
    mtx[0][1] = 0.0f;
    mtx[0][2] = 0.0f;
    mtx[0][3] = 0.0f;

    mtx[1][0] = 0.0f;
    mtx[1][1] = l_cos;
    mtx[1][2] = -l_sin;
    mtx[1][3] = 0.0f;

    mtx[2][0] = 0.0f;
    mtx[2][1] = l_sin;
    mtx[2][2] = l_cos;
    mtx[2][3] = 0.0f;
}

/* 8000CD88-8000CDC8       .text mDoMtx_XrotM__FPA4_fs */
void mDoMtx_XrotM(Mtx mtx, s16 x) {
    Mtx tmp;
    mDoMtx_XrotS(tmp, x);
    mDoMtx_concat(mtx, tmp, mtx);
}

/* 8000CDC8-8000CE28       .text mDoMtx_YrotS__FPA4_fs */
void mDoMtx_YrotS(Mtx mtx, s16 y) {
    f32 l_cos = JMASCos(y);
    f32 l_sin = JMASSin(y);

    mtx[0][0] = l_cos;
    mtx[0][1] = 0.0f;
    mtx[0][2] = l_sin;
    mtx[0][3] = 0.0f;

    mtx[1][0] = 0.0f;
    mtx[1][1] = 1.0;
    mtx[1][2] = 0.0;
    mtx[1][3] = 0.0f;

    mtx[2][0] = -l_sin;
    mtx[2][1] = 0.0f;
    mtx[2][2] = l_cos;
    mtx[2][3] = 0.0f;
}

/* 8000CE28-8000CE68       .text mDoMtx_YrotM__FPA4_fs */
void mDoMtx_YrotM(Mtx mtx, s16 y) {
    Mtx tmp;
    mDoMtx_YrotS(tmp, y);
    mDoMtx_concat(mtx, tmp, mtx);
}

/* 8000CE68-8000CEC8       .text mDoMtx_ZrotS__FPA4_fs */
void mDoMtx_ZrotS(Mtx mtx, s16 z) {
    f32 l_cos = JMASCos(z);
    f32 l_sin = JMASSin(z);

    mtx[0][0] = l_cos;
    mtx[0][1] = -l_sin;
    mtx[0][2] = 0.0f;
    mtx[0][3] = 0.0f;

    mtx[1][0] = l_sin;
    mtx[1][1] = l_cos;
    mtx[1][2] = 0.0;
    mtx[1][3] = 0.0f;

    mtx[2][0] = 0.0f;
    mtx[2][1] = 0.0f;
    mtx[2][2] = 1.0f;
    mtx[2][3] = 0.0f;
}

/* 8000CEC8-8000CF08       .text mDoMtx_ZrotM__FPA4_fs */
void mDoMtx_ZrotM(Mtx mtx, s16 z) {
    Mtx tmp;
    mDoMtx_ZrotS(tmp, z);
    mDoMtx_concat(mtx, tmp, mtx);
}

/* 8000CF08-8000D10C       .text mDoMtx_lookAt__FPA4_fPC3VecPC3Vecs */
void mDoMtx_lookAt(Mtx mtx, const Vec* param_1, const Vec* param_2, s16 param_3) {
    cXyz stack_48(*(cXyz*)param_1);
    cXyz local_54;
    cXyz local_60;
    cXyz local_6c = stack_48 - cXyz(*(cXyz*)param_2);

    local_6c.normalize();
    local_54.set(0.0f, 1.0f, 0.0f);
    local_54 = local_54.outprod(local_6c);

    if (!local_54.normalizeRS()) {
        local_54.set(-local_6c.y,0.0f,0.0f);
        local_54 = local_54.outprod(local_6c);
        local_54.normalize();
    }

    local_60 = local_6c.outprod(local_54);
    local_60.normalize();

    mtx[0][0] = local_54.x;
    mtx[0][1] = local_54.y;
    mtx[0][2] = local_54.z;
    mtx[0][3] = -local_54.inprod(stack_48);

    mtx[1][0] = local_60.x;
    mtx[1][1] = local_60.y;
    mtx[1][2] = local_60.z;
    mtx[1][3] = -local_60.inprod(stack_48);

    mtx[2][0] = local_6c.x;
    mtx[2][1] = local_6c.y;
    mtx[2][2] = local_6c.z;
    mtx[2][3] = -local_6c.inprod(stack_48);

    Mtx tmp;
    mDoMtx_ZrotS(tmp, param_3);
    mDoMtx_concat(tmp, mtx, mtx);
}

/* 8000D148-8000D284       .text mDoMtx_lookAt__FPA4_fPC3VecPC3VecPC3Vecs */
void mDoMtx_lookAt(Mtx mtx, const Vec* param_1, const Vec* param_2, const Vec* param_3, s16 param_4) {
    cXyz local_4c(*(cXyz*)param_1);
    cXyz local_58(*(cXyz*)param_2);
    cXyz local_64(*(cXyz*)param_3);
    if (!cXyz(local_4c - local_58).normalizeRS()) {
        local_58.z += 1.0f;
    }
    if (cM3d_IsZero(local_64.x) && cM3d_IsZero(local_64.y) && cM3d_IsZero(local_64.z)) {
        local_64.y = 1.0f;
    }
    C_MTXLookAt(mtx, &local_4c, &local_64, &local_58);
    Mtx local_40;
    mDoMtx_ZrotS(local_40, param_4);
    mDoMtx_concat(local_40, mtx, mtx);
}

/* 8000D284-8000D388       .text mDoMtx_concatProjView__FPA4_CfPA4_CfPA4_f */
void mDoMtx_concatProjView(const Mtx44 a, const Mtx b, Mtx44 c) {
    mDoMtx_concat(a, b, c);
    c[3][0] = a[3][0] * b[0][0] + a[3][1] * b[1][0] + a[3][2] * b[2][0];
    c[3][1] = a[3][0] * b[0][1] + a[3][1] * b[1][1] + a[3][2] * b[2][1];
    c[3][2] = a[3][0] * b[0][2] + a[3][1] * b[1][2] + a[3][2] * b[2][2];
    c[3][3] = a[3][0] * b[0][3] + a[3][1] * b[1][3] + a[3][2] * b[2][3] + a[3][3];
}

/* 8000D388-8000D530       .text mDoMtx_inverseTranspose__FPA4_CfPA4_f */
bool mDoMtx_inverseTranspose(const Mtx a, Mtx b) {
    f32 var1 = a[0][0] * a[1][1] * a[2][2] + a[0][1] * a[1][2] * a[2][0] +
               a[0][2] * a[1][0] * a[2][1] - a[2][0] * a[1][1] * a[0][2] -
               a[1][0] * a[0][1] * a[2][2] - a[0][0] * a[2][1] * a[1][2];

    if (var1 == 0.0f) {
        return false;
    }

    var1 = 1.0f / var1;

    Mtx23 tmp;
    tmp[0][0] = var1 * (a[1][1] * a[2][2] - a[2][1] * a[1][2]);
    tmp[0][1] = var1 * -(a[1][0] * a[2][2] - a[2][0] * a[1][2]);
    tmp[0][2] = var1 * (a[1][0] * a[2][1] - a[2][0] * a[1][1]);
    tmp[1][0] = var1 * -(a[0][1] * a[2][2] - a[2][1] * a[0][2]);
    tmp[1][1] = var1 * (a[0][0] * a[2][2] - a[2][0] * a[0][2]);
    tmp[1][2] = var1 * -(a[0][0] * a[2][1] - a[2][0] * a[0][1]);

    b[2][0] = var1 * (a[0][1] * a[1][2] - a[1][1] * a[0][2]);
    b[2][1] = var1 * -(a[0][0] * a[1][2] - a[1][0] * a[0][2]);
    b[2][2] = var1 * (a[0][0] * a[1][1] - a[1][0] * a[0][1]);
    b[0][0] = tmp[0][0];
    b[0][1] = tmp[0][1];
    b[0][2] = tmp[0][2];
    b[0][3] = 0.0f;
    b[1][0] = tmp[1][0];
    b[1][1] = tmp[1][1];
    b[1][2] = tmp[1][2];
    b[1][3] = 0.0f;
    b[2][3] = 0.0f;

    return true;
}

/* 8000D530-8000D634       .text mDoMtx_QuatConcat__FPC10QuaternionPC10QuaternionP10Quaternion */
void mDoMtx_QuatConcat(const Quaternion* a, const Quaternion* b, Quaternion* c) {
    c->w = (a->w * b->w) - (a->x * b->x) - (a->y * b->y) - (a->z * b->z);
    c->x = (a->w * b->x) + (a->x * b->w) + (a->y * b->z) - (a->z * b->y);
    c->y = (a->w * b->y) + (a->y * b->w) + (a->z * b->x) - (a->x * b->z);
    c->z = (a->w * b->z) + (a->z * b->w) + (a->x * b->y) - (a->y * b->x);
}

/* 8000D634-8000D74C       .text mDoMtx_MtxToRot__FPA4_CfP5csXyz */
void mDoMtx_MtxToRot(const Mtx m, csXyz* o_rot) {
    f32 f31 = m[0][2];
    f31 *= f31;
    f32 f30 = m[2][2];
    f31 += f30 * f30;
    f31 = std::sqrtf(f31);
    o_rot->x = cM_atan2s(-m[1][2], f31);

    if (o_rot->x == 0x4000 || o_rot->x == -0x4000) {
        o_rot->z = 0;
        o_rot->y = cM_atan2s(-m[2][0], m[0][0]);
    } else {
        o_rot->y = cM_atan2s(m[0][2], m[2][2]);
        o_rot->z = cM_atan2s(m[1][0], m[1][1]);
    }
}

/* 8000D74C-8000D7CC       .text push__14mDoMtx_stack_cFv */
bool mDoMtx_stack_c::push() {
    if (next >= end) {
        JUT_ASSERT(723, next < end)
        return false;
    }
    Mtx* old = next++;
    mDoMtx_copy(now, *old);
    return true;
}

/* 8000D7CC-8000D850       .text pop__14mDoMtx_stack_cFv */
bool mDoMtx_stack_c::pop() {
    if (next <= buffer) {
        JUT_ASSERT(745, next > buffer)
        return false;
    }
    next--;
    mDoMtx_copy(*next, now);
    return true;
}

/* 8000D850-8000D888       .text transM__14mDoMtx_stack_cFfff */
void mDoMtx_stack_c::transM(f32 x, f32 y, f32 z) {
    Mtx tmp;
    mDoMtx_trans(tmp, x, y, z);
    mDoMtx_concat(now, tmp, now);
}

/* 8000D888-8000D8C0       .text scaleM__14mDoMtx_stack_cFfff */
void mDoMtx_stack_c::scaleM(f32 x, f32 y, f32 z) {
    Mtx tmp;
    mDoMtx_scale(tmp, x, y, z);
    mDoMtx_concat(now, tmp, now);
}

/* 8000D8C0-8000D904       .text lYrotM__14mDoMtx_stack_cFl */
void mDoMtx_stack_c::lYrotM(s32 param_0) {
    Mtx m;
    mDoMtx_YrotS(m, param_0 >> 16);
    mDoMtx_concat(now, m, now);
}

/* 8000D904-8000D940       .text rYrotM__14mDoMtx_stack_cFf */
void mDoMtx_stack_c::rYrotM(f32 i_rad) {
    Mtx m;
    MTXRotRad(m, 'Y', i_rad);
    mDoMtx_concat(now, m, now);
}

/* 8000D940-8000D97C       .text quatM__14mDoMtx_stack_cFPC10Quaternion */
void mDoMtx_stack_c::quatM(const Quaternion* quat) {
    Mtx tmp;
    mDoMtx_quat(tmp, quat);
    mDoMtx_concat(now, tmp, now);
}