bool ATeleporterBeacon::Use (bool pickup)
{
AInventory *drop;
// [BC] This is handled server-side.
if (( NETWORK_GetState( ) == NETSTATE_CLIENT ) ||
( CLIENTDEMO_IsPlaying( )))
{
return ( true );
}
// Increase the amount by one so that when DropInventory decrements it,
// the actor will have the same number of beacons that he started with.
// When we return to UseInventory, it will take care of decrementing
// Amount again and disposing of this item if there are no more.
Amount++;
drop = Owner->DropInventory (this);
if (drop == NULL)
{
Amount--;
return false;
}
else
{
drop->SetState(drop->FindState(NAME_Drop));
drop->target = Owner;
return true;
}
}
bool ATeleporterBeacon::Use (bool pickup)
{
AInventory *drop;
// Increase the amount by one so that when DropInventory decrements it,
// the actor will have the same number of beacons that he started with.
// When we return to UseInventory, it will take care of decrementing
// Amount again and disposing of this item if there are no more.
Amount++;
drop = Owner->DropInventory (this);
if (drop == NULL)
{
Amount--;
return false;
}
else
{
drop->SetState(drop->FindState(NAME_Drop));
drop->target = Owner;
return true;
}
}
bool AInventory::TryPickup (AActor *&toucher)
{
AActor *newtoucher = toucher; // in case changed by the powerup
// If HandlePickup() returns true, it will set the IF_PICKUPGOOD flag
// to indicate that this item has been picked up. If the item cannot be
// picked up, then it leaves the flag cleared.
ItemFlags &= ~IF_PICKUPGOOD;
if (toucher->Inventory != NULL && toucher->Inventory->HandlePickup (this))
{
// Let something else the player is holding intercept the pickup.
if (!(ItemFlags & IF_PICKUPGOOD))
{
return false;
}
ItemFlags &= ~IF_PICKUPGOOD;
GoAwayAndDie ();
}
else if (MaxAmount == 0 && !IsKindOf(RUNTIME_CLASS(AAmmo)))
{
// Special case: If an item's MaxAmount is 0, you can still pick it
// up if it is autoactivate-able.
if (!(ItemFlags & IF_AUTOACTIVATE))
{
return false;
}
// The item is placed in the inventory just long enough to be used.
toucher->AddInventory (this);
bool usegood = Use (true);
toucher->RemoveInventory (this);
if (usegood)
{
GoAwayAndDie ();
}
else
{
return false;
}
}
else
{
// Add the item to the inventory. It is not already there, or HandlePickup
// would have already taken care of it.
AInventory *copy = CreateCopy (toucher);
if (copy == NULL)
{
return false;
}
// Some powerups cannot activate absolutely, for
// example, PowerMorph; fail the pickup if so.
if (copy->ItemFlags & IF_INITEFFECTFAILED)
{
if (copy != this) copy->Destroy();
else ItemFlags &= ~IF_INITEFFECTFAILED;
return false;
}
// Handle owner-changing powerups
if (copy->ItemFlags & IF_CREATECOPYMOVED)
{
newtoucher = copy->Owner;
copy->Owner = NULL;
copy->ItemFlags &= ~IF_CREATECOPYMOVED;
}
// Continue onwards with the rest
copy->AttachToOwner (newtoucher);
if (ItemFlags & IF_AUTOACTIVATE)
{
if (copy->Use (true))
{
if (--copy->Amount <= 0)
{
copy->flags &= ~MF_SPECIAL;
copy->SetState (copy->FindState("HoldAndDestroy"));
}
}
}
}
return true;
}
