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FarFromLine2D effectively matching

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Dethrace Labs 2025-10-09 16:50:04 +13:00 committed by Dethrace Engineering Department
parent 57796d8b87
commit fe2ab98ad8
1 changed files with 22 additions and 7 deletions
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29
src/DETHRACE/common/skidmark.c
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@ -263,14 +263,29 @@ void StretchMark(tSkid* pMark, br_vector3* pFrom, br_vector3* pTo, br_scalar pTe
br_scalar len;
br_model* model;
rows = (br_vector3*)&pMark->actor->t.t.mat;
BrVector3Sub(&temp, pTo, pFrom);
len = BrVector3Length(&temp);
on_ground = pCar->susp_height[pWheel_num >> 1] > pCar->oldd[pWheel_num];
if (!on_ground) {
pCar->special_start[pWheel_num].v[0] = FLT_MAX;
}
}
if (len < BR_SCALAR_EPSILON) {
rows[2].v[0] = pMark->normal.v[2] * temp.v[1] - pMark->normal.v[1] * temp.v[2];
rows[2].v[1] = pMark->normal.v[0] * temp.v[2] - pMark->normal.v[2] * temp.v[0];
rows[2].v[2] = pMark->normal.v[1] * temp.v[0] - pMark->normal.v[0] * temp.v[1];
// IDA: int __usercall FarFromLine2D@<EAX>(br_vector3 *pPt@<EAX>, br_vector3 *pL1@<EDX>, br_vector3 *pL2@<EBX>)
// FUNCTION: CARM95 0x004020dc
int FarFromLine2D(br_vector3* pPt, br_vector3* pL1, br_vector3* pL2) {
br_vector2 line;
br_vector2 to_pt;
br_scalar line_len;
br_scalar cross;
line.v[0] = BR_SUB(pL2->v[0], pL1->v[0]);
line.v[1] = BR_SUB(pL2->v[2], pL1->v[2]);
to_pt.v[0] = BR_SUB(pPt->v[0], pL2->v[0]);
to_pt.v[1] = BR_SUB(pPt->v[2], pL2->v[2]);
cross = (-line.v[0]) * to_pt.v[1] + to_pt.v[0] * line.v[1];
line_len = BrVector2Length(&line);
if (fabs(cross) > line_len * 0.05f) {
return 1;
} else {
rows[2].v[0] = pMark->normal.v[2] * temp.v[1] - pMark->normal.v[1] * temp.v[2];
rows[2].v[1] = pMark->normal.v[0] * temp.v[2] - pMark->normal.v[2] * temp.v[0];