void AIList::KeepList(AIList *list)
{
this->modifications++;
AIList tmp;
for (AIListMap::iterator iter = this->items.begin(); iter != this->items.end(); iter++) {
tmp.AddItem((*iter).first);
tmp.SetValue((*iter).first, (*iter).second);
}
tmp.RemoveList(list);
this->RemoveList(&tmp);
}
/* static */ AIList *AIIndustryType::GetAcceptedCargo(IndustryType industry_type)
{
if (!IsValidIndustryType(industry_type)) return NULL;
const IndustrySpec *ins = ::GetIndustrySpec(industry_type);
AIList *list = new AIList();
for (size_t i = 0; i < lengthof(ins->accepts_cargo); i++) {
if (ins->accepts_cargo[i] != CT_INVALID) list->AddItem(ins->accepts_cargo[i]);
}
return list;
}