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Reflex2D matching

This commit is contained in:
Dethrace Labs 2025-09-19 13:24:03 +12:00 committed by Dethrace Engineering Department
parent 2977ee40cc
commit efbc6ccfbd
1 changed files with 17 additions and 9 deletions
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26
src/DETHRACE/common/skidmark.c
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@ -301,13 +301,18 @@ int FarFromLine2D(br_vector3* pPt, br_vector3* pL1, br_vector3* pL2) {
br_scalar line_len;
br_scalar cross;
line.v[0] = pL2->v[0] - pL1->v[0];
line.v[1] = pL2->v[2] - pL1->v[2];
to_pt.v[0] = pPt->v[0] - pL2->v[0];
to_pt.v[1] = pPt->v[2] - pL2->v[2];
cross = -line.v[0] * to_pt.v[1] + to_pt.v[0] * line.v[1];
line_len = sqrt(line.v[0] * line.v[0] + line.v[1] * line.v[1]);
return fabs(cross) > line_len * 0.050000001;
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 {
return 0;
}
}
// IDA: int __usercall Reflex2D@<EAX>(br_vector3 *pPt@<EAX>, br_vector3 *pL1@<EDX>, br_vector3 *pL2@<EBX>)
@ -320,13 +325,16 @@ int Reflex2D(br_vector3* pPt, br_vector3* pL1, br_vector3* pL2) {
line.v[1] = pL2->v[2] - pL1->v[2];
to_pt.v[0] = pPt->v[0] - pL2->v[0];
to_pt.v[1] = pPt->v[2] - pL2->v[2];
return to_pt.v[1] * line.v[1] + to_pt.v[0] * line.v[0] < 0.0;
if (BrVector2Dot(&to_pt, &line) < 0.0f) {
return 1;
} else {
return 0;
}
}
// IDA: br_scalar __usercall SkidLen@<ST0>(int pSkid@<EAX>)
// FUNCTION: CARM95 0x004021f1
br_scalar SkidLen(int pSkid) {
return sqrt(
gSkids[pSkid].actor->t.t.mat.m[0][2] * gSkids[pSkid].actor->t.t.mat.m[0][2]
+ gSkids[pSkid].actor->t.t.mat.m[0][1] * gSkids[pSkid].actor->t.t.mat.m[0][1]