CPointAngleSensor::IsFacingWithinTolerance

/* CPointAngleSensor::IsFacingWithinTolerance(CBaseEntity*, CBaseEntity*, float, float*) */

bool __thiscall
CPointAngleSensor::IsFacingWithinTolerance
          (CPointAngleSensor *this,CBaseEntity *param_1,CBaseEntity *param_2,float param_3,
          float *param_4)

{
  float fVar1;
  float local_34;
  float local_30;
  float local_2c;
  float local_28;
  float local_24;
  float local_20;
  
  if (param_4 != (float *)0x0) {
    *param_4 = 0.0;
  }
  if ((param_1 != (CBaseEntity *)0x0) && (param_2 != (CBaseEntity *)0x0)) {
    (**(code **)(*(int *)param_1 + 0x24c))(param_1,&local_34,0,0);
    if (((byte)this[0x148] & 1) == 0) {
      if (((byte)param_1[0x14d] & 8) != 0) {
        CBaseEntity::CalcAbsolutePosition(param_1);
      }
      if (((byte)param_2[0x14d] & 8) != 0) {
        CBaseEntity::CalcAbsolutePosition(param_2);
      }
      local_24 = *(float *)(param_2 + 0x2e4) - *(float *)(param_1 + 0x2e4);
      local_20 = *(float *)(param_2 + 0x2e8) - *(float *)(param_1 + 0x2e8);
      local_28 = *(float *)(param_2 + 0x2e0) - *(float *)(param_1 + 0x2e0);
      VectorNormalize((Vector *)&local_28);
    }
    else {
      (**(code **)(*(int *)param_2 + 0x24c))(param_2,&local_28,0,0);
    }
    fVar1 = local_30 * local_24 + local_34 * local_28 + local_2c * local_20;
    if (param_4 != (float *)0x0) {
      *param_4 = fVar1;
    }
    return *(float *)(this + 0x454) <= fVar1;
  }
  return false;
}