legounknown.cpp

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#include "legounknown.h"
 
#include "mxgeometry/mxmatrix.h"
 
DECOMP_SIZE_ASSERT(LegoUnknown, 0x50)
 
// FUNCTION: LEGO1 0x1009a0f0
LegoUnknown::LegoUnknown()
{
    for (LegoS32 i = 0; i < sizeOfArray(m_unk0x00); i++) {
        m_unk0x00[i].Clear();
    }
}
 
// FUNCTION: LEGO1 0x1009a130
LegoUnknown::~LegoUnknown()
{
}
 
// FUNCTION: LEGO1 0x1009a140
// FUNCTION: BETA10 0x10182c2f
void LegoUnknown::FUN_1009a140(
    const Vector3& p_point1,
    const Vector3& p_point2,
    const Vector3& p_point3,
    const Vector3& p_point4
)
{
    m_unk0x00[0] = p_point1;
    m_unk0x00[1] = p_point2;
 
    for (LegoS32 i = 0; i < 3; i++) {
        m_unk0x00[2][i] = (p_point3[i] - p_point1[i]) * 3.0f - p_point2[i] * 2.0f - p_point4[i];
        m_unk0x00[3][i] = (p_point1[i] - p_point3[i]) * 2.0f + p_point4[i] + p_point2[i];
    }
}
 
// FUNCTION: LEGO1 0x1009a1e0
// FUNCTION: BETA10 0x10182d61
LegoResult LegoUnknown::FUN_1009a1e0(float p_f1, Matrix4& p_mat, Vector3& p_v, LegoU32 p_und)
{
    Vector3 v1(p_mat[3]);
    Vector3 v2(p_mat[0]);
    Vector3 v3(p_mat[1]);
    Vector3 v4(p_mat[2]);
 
    if (p_f1 <= 0.001) {
        v1 = m_unk0x00[0];
        v4 = m_unk0x00[1];
    }
    else if (p_f1 >= 0.999) {
        v1 = m_unk0x00[0];
        v1 += m_unk0x00[1];
        v1 += m_unk0x00[2];
        v1 += m_unk0x00[3];
 
        for (LegoS32 i = 0; i < 3; i++) {
            v4[i] = m_unk0x00[1][i] + m_unk0x00[2][i] * 2.0f + m_unk0x00[3][i] * 3.0f;
        }
    }
    else {
        float local30 = p_f1 * p_f1;
        float local34 = local30 * p_f1;
 
        for (LegoS32 i = 0; i < 3; i++) {
            v1[i] = m_unk0x00[0][i] + m_unk0x00[1][i] * p_f1 + m_unk0x00[2][i] * local30 + m_unk0x00[3][i] * local34;
            v4[i] = m_unk0x00[1][i] + m_unk0x00[2][i] * p_f1 * 2.0f + m_unk0x00[3][i] * local30 * 3.0f;
        }
    }
 
    if (p_und) {
        v4 *= -1.0f;
    }
 
    if (v4.Unitize() != 0) {
        return FAILURE;
    }
 
    v2.EqualsCross(p_v, v4);
    if (v2.Unitize() != 0) {
        return FAILURE;
    }
 
    v3.EqualsCross(v4, v2);
    return SUCCESS;
}