AInventory *ABackpackItem::CreateCopy (AActor *other)
{
// Find every unique type of ammo. Give it to the player if
// he doesn't have it already, and double its maximum capacity.
for (unsigned int i = 0; i < PClassActor::AllActorClasses.Size(); ++i)
{
PClass *type = PClassActor::AllActorClasses[i];
if (type->ParentClass == RUNTIME_CLASS(AAmmo))
{
PClassActor *atype = static_cast<PClassActor *>(type);
AAmmo *ammo = static_cast<AAmmo *>(other->FindInventory(atype));
int amount = static_cast<AAmmo *>(GetDefaultByType(type))->BackpackAmount;
// extra ammo in baby mode and nightmare mode
if (!(ItemFlags&IF_IGNORESKILL))
{
amount = int(amount * G_SkillProperty(SKILLP_AmmoFactor));
}
if (amount < 0) amount = 0;
if (ammo == NULL)
{ // The player did not have the ammo. Add it.
ammo = static_cast<AAmmo *>(Spawn(atype));
ammo->Amount = bDepleted ? 0 : amount;
if (ammo->BackpackMaxAmount > ammo->MaxAmount)
{
ammo->MaxAmount = ammo->BackpackMaxAmount;
}
if (ammo->Amount > ammo->MaxAmount)
{
ammo->Amount = ammo->MaxAmount;
}
ammo->AttachToOwner (other);
}
else
{ // The player had the ammo. Give some more.
if (ammo->MaxAmount < ammo->BackpackMaxAmount)
{
ammo->MaxAmount = ammo->BackpackMaxAmount;
}
if (!bDepleted && ammo->Amount < ammo->MaxAmount)
{
ammo->Amount += amount;
if (ammo->Amount > ammo->MaxAmount)
{
ammo->Amount = ammo->MaxAmount;
}
}
}
}
}
return Super::CreateCopy (other);
}
AAmmo *AWeapon::AddAmmo (AActor *other, PClassActor *ammotype, int amount)
{
AAmmo *ammo;
if (ammotype == NULL)
{
return NULL;
}
// [BC] This behavior is from the original Doom. Give 5/2 times as much ammo when
// we pick up a weapon in deathmatch.
if (( deathmatch ) && ( gameinfo.gametype & GAME_DoomChex ))
amount = amount * 5 / 2;
// extra ammo in baby mode and nightmare mode
if (!(this->ItemFlags&IF_IGNORESKILL))
{
amount = int(amount * G_SkillProperty(SKILLP_AmmoFactor));
}
ammo = static_cast<AAmmo *>(other->FindInventory (ammotype));
if (ammo == NULL)
{
ammo = static_cast<AAmmo *>(Spawn (ammotype));
ammo->Amount = MIN (amount, ammo->MaxAmount);
ammo->AttachToOwner (other);
}
else if (ammo->Amount < ammo->MaxAmount)
{
ammo->Amount += amount;
if (ammo->Amount > ammo->MaxAmount)
{
ammo->Amount = ammo->MaxAmount;
}
}
return ammo;
}