Example #1
0
   void TakeAction::execute(Player *player, Command *command, Game *game) {

      Place            *location = player->getLocation();
      ThingListCItPair roomItems = location->getThingsByName(command->getDirectObject());

      if (roomItems.begin == roomItems.end) {
         player->out("display") << "There is no " << command->getDirectObject()
            << " here!" << endl;
         return;
      }

      try {

         Thing *thing =
            Entity::clarifyEntity<ThingListCItPair, ThingListCIt, Thing *>(roomItems,
            player);

         if (ENTITY_OBJECT != thing->getType()) {
            player->out("display") << "You can't take that!" << endl;
         }

         else {

            try {

               player->take(static_cast<Object *>(thing));

               string message = thing->getMessage("take");
               if (message.length() > 0) {
                  player->out("display") << message << endl;
               }

               else {
                  player->out("display") << "You take the " << thing->getName()
                     << "." << endl;
               }
            }

            catch (enum Being::takeError error) {

               // TODO: consider custom messages
               switch (error) {

                  case Being::TAKE_TOO_HEAVY:
                     player->out("display") << command->getDirectObject()
                        << " is too heavy.  Try dropping something first."
                        << endl;
                     break;

                  case Being::TAKE_UNTAKEABLE:
                     player->out("display") << "You can't take that!" << endl;
                     break;

                  default:
                     player->err() << "Unknown error taking object.  "
                        << "This is a bug." << endl;
                     break;
               }
            }
         }
      }

      catch (string name) {
         player->out("display") << "There is no " << name << " here!" << endl;
      }
   }