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isle/LEGO1/lego/sources/misc/legounknown.cpp

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#include "legounknown.h"
DECOMP_SIZE_ASSERT(LegoUnknown, 0x50)
// FUNCTION: LEGO1 0x1009a0f0
LegoUnknown::LegoUnknown()
{
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for (LegoS32 i = 0; i < sizeOfArray(m_unk0x00); i++) {
m_unk0x00[i].Clear();
}
}
// FUNCTION: LEGO1 0x1009a130
LegoUnknown::~LegoUnknown()
{
}
// FUNCTION: LEGO1 0x1009a140
void LegoUnknown::FUN_1009a140(const Vector3& p_point1, Vector3& p_point2, Vector3& p_point3, 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;
}