MissionPanel::MissionPanel(PlayerInfo &player)
	: MapPanel(player),
	available(player.AvailableJobs()),
	accepted(player.Missions()),
	availableIt(player.AvailableJobs().begin()),
	acceptedIt(player.AvailableJobs().empty() ? accepted.begin() : accepted.end())
{
	while(acceptedIt != accepted.end() && !acceptedIt->IsVisible())
		++acceptedIt;
	
	wrap.SetWrapWidth(380);
	wrap.SetFont(FontSet::Get(14));
	wrap.SetAlignment(WrappedText::JUSTIFIED);

	// Select the first available or accepted mission in the currently selected
	// system, or along the travel plan.
	if(!FindMissionForSystem(selectedSystem) && player.HasTravelPlan())
	{
		const auto &tp = player.TravelPlan();
		for(auto it = tp.crbegin(); it != tp.crend(); ++it)
			if(FindMissionForSystem(*it))
				break;
	}

	// Auto select the destination system for the current mission.
	if(availableIt != available.end())
		selectedSystem = availableIt->Destination()->GetSystem();
	else if(acceptedIt != accepted.end())
		selectedSystem = acceptedIt->Destination()->GetSystem();

	// Center the system slightly above the center of the screen because the
	// lower panel is taking up more space than the upper one.
	center = Point(0., -80.) - selectedSystem->Position();
}
Exemplo n.º 2
0
void AI::MovePlayer(Ship &ship, const PlayerInfo &player, const list<shared_ptr<Ship>> &ships)
{
	Command command;
	
	if(player.HasTravelPlan())
	{
		const System *system = player.TravelPlan().back();
		ship.SetTargetSystem(system);
		// Check if there's a particular planet there we want to visit.
		for(const Mission &mission : player.Missions())
			if(mission.Destination() && mission.Destination()->GetSystem() == system)
			{
				ship.SetDestination(mission.Destination());
				break;
			}
	}
	
	if(keyDown.Has(Command::NEAREST))
	{
		double closest = numeric_limits<double>::infinity();
		int closeState = 0;
		for(const shared_ptr<Ship> &other : ships)
			if(other.get() != &ship && other->IsTargetable())
			{
				// Sort ships into one of three priority states:
				// 0 = friendly, 1 = disabled enemy, 2 = active enemy.
				int state = other->GetGovernment()->IsEnemy(ship.GetGovernment());
				// Do not let "target nearest" select a friendly ship, so that
				// if the player is repeatedly targeting nearest to, say, target
				// a bunch of fighters, they won't start firing on friendly
				// ships as soon as the last one is gone.
				if((!state && !shift) || other->GetGovernment()->IsPlayer())
					continue;
				
				state += state * !other->IsDisabled();
				
				double d = other->Position().Distance(ship.Position());
				
				if(state > closeState || (state == closeState && d < closest))
				{
					ship.SetTargetShip(other);
					closest = d;
					closeState = state;
				}
			}
	}
	else if(keyDown.Has(Command::TARGET))
	{
		shared_ptr<const Ship> target = ship.GetTargetShip();
		bool selectNext = !target || !target->IsTargetable();
		for(const shared_ptr<Ship> &other : ships)
		{
			bool isPlayer = other->GetGovernment()->IsPlayer() || other->GetPersonality().IsEscort();
			if(other == target)
				selectNext = true;
			else if(other.get() != &ship && selectNext && other->IsTargetable() && isPlayer == shift)
			{
				ship.SetTargetShip(other);
				selectNext = false;
				break;
			}
		}
		if(selectNext)
			ship.SetTargetShip(shared_ptr<Ship>());
	}
	else if(keyDown.Has(Command::BOARD))
	{
		shared_ptr<const Ship> target = ship.GetTargetShip();
		if(!target || !target->IsDisabled() || target->IsDestroyed() || target->GetSystem() != ship.GetSystem())
		{
			double closest = numeric_limits<double>::infinity();
			bool foundEnemy = false;
			bool foundAnything = false;
			for(const shared_ptr<Ship> &other : ships)
				if(other->IsTargetable() && other->IsDisabled() && !other->IsDestroyed())
				{
					bool isEnemy = other->GetGovernment()->IsEnemy(ship.GetGovernment());
					double d = other->Position().Distance(ship.Position());
					if((isEnemy && !foundEnemy) || d < closest)
					{
						closest = d;
						foundEnemy = isEnemy;
						foundAnything = true;
						ship.SetTargetShip(other);
					}
				}
			if(!foundAnything)
				keyDown.Clear(Command::BOARD);
		}
	}
	else if(keyDown.Has(Command::LAND))
	{
		// If the player is right over an uninhabited planet, display a message
		// explaining why they cannot land there.
		string message;
		for(const StellarObject &object : ship.GetSystem()->Objects())
			if(!object.GetPlanet() && !object.GetSprite().IsEmpty())
			{
				double distance = ship.Position().Distance(object.Position());
				if(distance < object.Radius())
					message = object.LandingMessage();
			}
		const StellarObject *target = ship.GetTargetPlanet();
		if(target && ship.Position().Distance(target->Position()) < target->Radius())
		{
			// Special case: if there are two planets in system and you have one
			// selected, then press "land" again, do not toggle to the other if
			// you are within landing range of the one you have selected.
		}
		else if(message.empty() && target)
		{
			bool found = false;
			const StellarObject *next = nullptr;
			for(const StellarObject &object : ship.GetSystem()->Objects())
				if(object.GetPlanet())
				{
					if(found)
					{
						next = &object;
						break;
					}
					else if(&object == ship.GetTargetPlanet())
						found = true;
				}
			if(!next)
			{
				for(const StellarObject &object : ship.GetSystem()->Objects())
					if(object.GetPlanet())
					{
						next = &object;
						break;
					}
			}
			ship.SetTargetPlanet(next);
			if(next->GetPlanet() && !next->GetPlanet()->CanLand())
				message = "The authorities on this planet refuse to clear you to land here.";
		}
		else if(message.empty())
		{
			double closest = numeric_limits<double>::infinity();
			int count = 0;
			for(const StellarObject &object : ship.GetSystem()->Objects())
				if(object.GetPlanet())
				{
					++count;
					double distance = ship.Position().Distance(object.Position());
					const Planet *planet = object.GetPlanet();
					if(planet == ship.GetDestination())
						distance = 0.;
					else if(!planet->HasSpaceport() && !planet->IsWormhole())
						distance += 10000.;
					
					if(distance < closest)
					{
						ship.SetTargetPlanet(&object);
						closest = distance;
					}
				}
			if(!ship.GetTargetPlanet())
				message = "There are no planets in this system that you can land on.";
			else if(!ship.GetTargetPlanet()->GetPlanet()->CanLand())
				message = "The authorities on this planet refuse to clear you to land here.";
			else if(count > 1)
			{
				message = "You can land on more than one planet in this system. Landing on ";
				if(ship.GetTargetPlanet()->Name().empty())
					message += "???.";
				else
					message += ship.GetTargetPlanet()->Name() + ".";
			}
		}
		if(!message.empty())
			Messages::Add(message);
	}
	else if(keyDown.Has(Command::JUMP))
	{
		if(!ship.GetTargetSystem())
		{
			double bestMatch = -2.;
			const auto &links = (ship.Attributes().Get("jump drive") ?
				ship.GetSystem()->Neighbors() : ship.GetSystem()->Links());
			for(const System *link : links)
			{
				Point direction = link->Position() - ship.GetSystem()->Position();
				double match = ship.Facing().Unit().Dot(direction.Unit());
				if(match > bestMatch)
				{
					bestMatch = match;
					ship.SetTargetSystem(link);
				}
			}
		}
	}
	else if(keyDown.Has(Command::SCAN))
		command |= Command::SCAN;
	
	bool hasGuns = Preferences::Has("Automatic firing") && !ship.IsBoarding()
		&& !(keyStuck | keyHeld).Has(Command::LAND | Command::JUMP | Command::BOARD);
	if(hasGuns)
		command |= AutoFire(ship, ships, false);
	hasGuns |= keyHeld.Has(Command::PRIMARY);
	if(keyHeld)
	{
		if(keyHeld.Has(Command::RIGHT | Command::LEFT))
			command.SetTurn(keyHeld.Has(Command::RIGHT) - keyHeld.Has(Command::LEFT));
		else if(keyHeld.Has(Command::BACK))
		{
			if(ship.Attributes().Get("reverse thrust"))
				command |= Command::BACK;
			else
				command.SetTurn(TurnBackward(ship));
		}
		
		if(keyHeld.Has(Command::FORWARD))
			command |= Command::FORWARD;
		if(keyHeld.Has(Command::PRIMARY))
		{
			int index = 0;
			for(const Armament::Weapon &weapon : ship.Weapons())
			{
				const Outfit *outfit = weapon.GetOutfit();
				if(outfit && !outfit->Icon())
				{
					command.SetFire(index);
					hasGuns |= !weapon.IsTurret();
				}
				++index;
			}
		}
		if(keyHeld.Has(Command::SECONDARY))
		{
			int index = 0;
			for(const Armament::Weapon &weapon : ship.Weapons())
			{
				const Outfit *outfit = weapon.GetOutfit();
				if(outfit && outfit == player.SelectedWeapon())
					command.SetFire(index);
				++index;
			}
		}
		if(keyHeld.Has(Command::AFTERBURNER))
			command |= Command::AFTERBURNER;
		
		if(keyHeld.Has(AutopilotCancelKeys()))
			keyStuck = keyHeld;
	}
	if(hasGuns && Preferences::Has("Automatic aiming") && !command.Turn()
			&& ship.GetTargetShip() && ship.GetTargetShip()->GetSystem() == ship.GetSystem()
			&& !keyStuck.Has(Command::LAND | Command::JUMP | Command::BOARD))
	{
		Point distance = ship.GetTargetShip()->Position() - ship.Position();
		if(distance.Unit().Dot(ship.Facing().Unit()) >= .8)
			command.SetTurn(TurnToward(ship, TargetAim(ship)));
	}
	
	if(ship.IsBoarding())
		keyStuck.Clear();
	else if(keyStuck.Has(Command::LAND) && ship.GetTargetPlanet())
	{
		if(ship.GetPlanet())
			keyStuck.Clear();
		else
		{
			MoveToPlanet(ship, command);
			command |= Command::LAND;
		}
	}
	else if(keyStuck.Has(Command::JUMP) && ship.GetTargetSystem())
	{
		if(!ship.Attributes().Get("hyperdrive") && !ship.Attributes().Get("jump drive"))
		{
			Messages::Add("You do not have a hyperdrive installed.");
			keyStuck.Clear();
		}
		else if(!ship.HyperspaceType())
		{
			Messages::Add("You cannot jump to the selected system.");
			keyStuck.Clear();
		}
		else if(!ship.JumpsRemaining() && !ship.IsEnteringHyperspace())
		{
			Messages::Add("You do not have enough fuel to make a hyperspace jump.");
			keyStuck.Clear();
		}
		else if(!ship.GetTargetSystem())
			keyStuck.Clear();
		else
		{
			PrepareForHyperspace(ship, command);
			command |= Command::JUMP;
			if(keyHeld.Has(Command::JUMP))
				command |= Command::WAIT;
		}
	}
	else if(keyStuck.Has(Command::BOARD) && ship.GetTargetShip())
	{
		shared_ptr<const Ship> target = ship.GetTargetShip();
		if(!target || !target->IsTargetable() || !target->IsDisabled() || target->IsDestroyed())
			keyStuck.Clear(Command::BOARD);
		else
		{
			MoveTo(ship, command, target->Position(), 40., .8);
			command |= Command::BOARD;
		}
	}
	
	if(isLaunching)
		command |= Command::DEPLOY;
	if(isCloaking)
		command |= Command::CLOAK;
	
	ship.SetCommands(command);
}