C++ thread_specific_ptr::buildBoat方法代码示例

void BuildBoat::accept(VCAI * ai)
{
	TResources boatCost;
	shipyard->getBoatCost(boatCost);

	if(!cb->getResourceAmount().canAfford(boatCost))
	{
		throw cannotFulfillGoalException("Can not afford boat");
	}

	if(cb->getPlayerRelations(ai->playerID, shipyard->o->tempOwner) == PlayerRelations::ENEMIES)
	{
		throw cannotFulfillGoalException("Can not build boat in enemy shipyard");
	}

	if(shipyard->shipyardStatus() != IShipyard::GOOD)
	{
		throw cannotFulfillGoalException("Shipyard is busy.");
	}

	logAi->trace(
		"Building boat at shipyard %s located at %s, estimated boat position %s", 
		shipyard->o->getObjectName(),
		shipyard->o->visitablePos().toString(),
		shipyard->bestLocation().toString());

	cb->buildBoat(shipyard);

	throw goalFulfilledException(sptr(*this));
}

//.........这里部分代码省略.........
					if (t && t->visitableObjects.size() == 1 && t->topVisitableId() == Obj::BOAT)
					{
						if (retrieveTile(pos) == sectorToReach->id)
							return true;
					}
					return false;
				});

				if (firstEP != src->embarkmentPoints.end())
				{
					return *firstEP;
				}
				else
				{
					//we need to find a shipyard with an access to the desired sector's EP
					//TODO what about Summon Boat spell?
					std::vector<const IShipyard *> shipyards;
					for (const CGTownInstance * t : cb->getTownsInfo())
					{
						if (t->hasBuilt(BuildingID::SHIPYARD))
							shipyards.push_back(t);
					}

					for (const CGObjectInstance * obj : ai->getFlaggedObjects())
					{
						if (obj->ID != Obj::TOWN) //towns were handled in the previous loop
						{
							if (const IShipyard * shipyard = IShipyard::castFrom(obj))
								shipyards.push_back(shipyard);
						}
					}

					shipyards.erase(boost::remove_if(shipyards, [=](const IShipyard * shipyard) -> bool
					{
						return shipyard->shipyardStatus() != 0 || retrieveTile(shipyard->bestLocation()) != sectorToReach->id;
					}), shipyards.end());

					if (!shipyards.size())
					{
						//TODO consider possibility of building shipyard in a town
						return ret;

						//throw cannotFulfillGoalException("There is no known shipyard!");
					}

					//we have only shipyards that possibly can build ships onto the appropriate EP
					auto ownedGoodShipyard = boost::find_if(shipyards, [](const IShipyard * s) -> bool
					{
						return s->o->tempOwner == ai->playerID;
					});

					if (ownedGoodShipyard != shipyards.end())
					{
						const IShipyard * s = *ownedGoodShipyard;
						TResources shipCost;
						s->getBoatCost(shipCost);
						if (cb->getResourceAmount().canAfford(shipCost))
						{
							int3 ret = s->bestLocation();
							cb->buildBoat(s); //TODO: move actions elsewhere
							return ret;
						}
						else
						{
							//TODO gather res
							return ret;

							//throw cannotFulfillGoalException("Not enough resources to build a boat");
						}
					}
					else
					{
						//TODO pick best shipyard to take over
						return shipyards.front()->o->visitablePos();
					}
				}
			}
			else if (src->water && !sectorToReach->water)
			{
				//TODO
				//disembark
				return ret;
			}
			else //use subterranean gates - not needed since gates are now handled via Pathfinder
			{
				return ret;
				//throw cannotFulfillGoalException("Land-land and water-water inter-sector transitions are not implemented!");
			}
		}
		else
		{
			return ret;
			//throw cannotFulfillGoalException("Inter-sector route detection failed: not connected sectors?");
		}
	}
	else //tiles are in same sector
	{
		return findFirstVisitableTile(h, dst);
	}
}