CFuncTrackTrain::UpdateOrientationAtPathTracks

/* CFuncTrackTrain::UpdateOrientationAtPathTracks(CPathTrack*, CPathTrack*, Vector const&, float) */

void __thiscall
CFuncTrackTrain::UpdateOrientationAtPathTracks
          (CFuncTrackTrain *this,CPathTrack *param_1,CPathTrack *param_2,Vector *param_3,
          float param_4)

{
  int iVar1;
  float fVar2;
  CPathTrack *local_50;
  float local_4c;
  float local_48;
  float local_44;
  float local_40;
  float local_3c;
  float local_38;
  undefined4 local_34;
  undefined4 local_30;
  undefined4 local_2c;
  undefined4 local_28;
  undefined4 local_24;
  undefined4 local_20;
  
  if (*(CPathTrack **)(this + 0x440) != (CPathTrack *)0x0) {
    local_4c = *(float *)(this + 0x39c);
    local_50 = (CPathTrack *)0x0;
    local_48 = *(float *)(this + 0x3a0);
    local_44 = *(float *)(this + 0x3a4) - *(float *)(this + 0x480);
    fVar2 = *(float *)(this + 0x444);
    if (fVar2 <= 0.0) {
      fVar2 = 100.0;
      if (*(float *)(this + 0x488) != 1.0) {
        fVar2 = -100.0;
      }
    }
    else if (*(float *)(this + 0x488) != 1.0) {
      fVar2 = -fVar2;
    }
    CPathTrack::LookAhead(*(CPathTrack **)(this + 0x440),(Vector *)&local_4c,fVar2,0,&local_50);
    local_44 = *(float *)(this + 0x480) + local_44;
    local_40 = local_4c - *(float *)(this + 0x39c);
    local_3c = local_48 - *(float *)(this + 0x3a0);
    local_38 = local_44 - *(float *)(this + 0x3a4);
    if (*(float *)(this + 0x488) != 1.0) {
      local_40 = -local_40;
      local_3c = -local_3c;
      local_38 = -local_38;
    }
    VectorAngles((Vector *)&local_40,(QAngle *)&local_34);
    FixupAngles((QAngle *)&local_34);
    if ((this[0x4ec] != (CFuncTrackTrain)0x0) && (local_50 != (CPathTrack *)0x0)) {
      iVar1 = CPathTrack::GetOrientationType(local_50);
      if (iVar1 == 2) {
        CPathTrack::GetOrientation(SUB41((QAngle *)&local_28,0));
        local_34 = local_28;
        local_30 = local_24;
        local_2c = local_20;
      }
    }
    local_28 = *(undefined4 *)(this + 0x3a8);
    local_24 = *(undefined4 *)(this + 0x3ac);
    local_20 = *(undefined4 *)(this + 0x3b0);
    FixupAngles((QAngle *)&local_28);
    if ((param_1 == (CPathTrack *)0x0) || ((local_40 == 0.0 && (local_3c == 0.0)))) {
      local_34 = local_28;
      local_30 = local_24;
      local_2c = local_20;
    }
    DoUpdateOrientation(this,(QAngle *)&local_28,(QAngle *)&local_34,param_4);
  }
  return;
}