void __thiscall UpdateStartTimer(Algae *this,bool bThroughDoor)

{
  int iVar1;
  int32_t iVar2;
  float fVar3;
  float fVar4;

  iVar1 = (*(this->super_Spreadable).super_Repairable.super_Selectable._vptr_Selectable[10])();
  if ((char)iVar1 == '\0') {
    if (this->fStartTimer == 0.00000000) {
      if (RNG == false) {
        iVar2 = random32();
      }
      else {
        iVar2 = rand();
      }
      this->fStartTimer = (float)(iVar2 % 0x46 + 10);
    }
    fVar4 = 0.05000000;
    if (bThroughDoor != false) {
      fVar4 = 0.00000000;
    }
    fVar3 = GetSpeedFactor(&FPSControl);
    fVar4 = this->fStartTimer - fVar3 * fVar4;
    if (fVar4 < 0.00000000) {
      this->fStartTimer = 0.00000000;
      *(undefined4 *)&(this->super_Spreadable).super_Repairable.super_ShipObject.field_0xc =
           0x42c80000;
      return;
    }
    this->fStartTimer = fVar4;
  }
  return;
}