// 14
void __userpurge sub_43DA20(aiCaptain *a1@<eax>, CUNIT *a2@<ebx>, int a3)
{
  aiCaptain *v3; // esi
  CAIController *v4; // eax
  CUNIT *v5; // edx
  CAIController *v6; // ecx
  bool v7; // zf
  town *v8; // ecx
  char v9; // al

  v3 = a1;
  if ( a1->captainType == 3 && !a3 )
    v3 = &AI_RegionCaptains[(unsigned __int8)a2->owner][SAI_GetRegionIdFromPxEx(
                                                          a2->sprite->position.x,
                                                          a2->sprite->position.y)];
  v5 = (CUNIT *)v3->field_2C;
  v4 = *(CAIController **)v5[59].loadedUnitIndex;
  if ( v4 )
  {
    v6 = v4->prev;
    v7 = v4->prev == 0;
    *(_DWORD *)v5[59].loadedUnitIndex = v4->prev;
    if ( !v7 )
      v6->next = 0;
    if ( v4 )
    {
      v4->next = 0;
      v4->prev = (CAIController *)v3->town;
      v8 = v3->town;
      if ( v8 )
        v8->next = (town *)v4;
      v3->town = (town *)v4;
      v4->controlType = 4;
      v4->unit = a2;
      v4->cptn = v3;
      if ( !(a2->statusFlags & 4) )
        ++*(_WORD *)&v3->field_A;
      a2->CAIControl = v4;
      AI_OrderToDestination(
        a2,
        a2->type != UNI_T_MEDIC ? 157 : 177,
        SAI_Paths->regions[(unsigned __int16)v3->region].rgnCenterX >> 8,
        SAI_Paths->regions[(unsigned __int16)v3->region].rgnCenterY >> 8);
      v9 = v3->captainType;
      if ( v9 == 8 || v9 == 9 || v9 == 1 || v9 == 2 )
        AssignCaptainToSlowestUnit(v3);
    }
  }
}