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();
}
void AI::UpdateKeys(PlayerInfo &player, bool isActive)
{
shift = (SDL_GetModState() & KMOD_SHIFT);
Command oldHeld = keyHeld;
keyHeld.ReadKeyboard();
keyDown = keyHeld.AndNot(oldHeld);
if(keyHeld.Has(AutopilotCancelKeys()))
keyStuck.Clear();
if(keyStuck.Has(Command::JUMP) && !player.HasTravelPlan())
keyStuck.Clear(Command::JUMP);
const Ship *flagship = player.Flagship();
if(!isActive || !flagship || flagship->IsDestroyed())
return;
// Only toggle the "cloak" command if one of your ships has a cloaking device.
if(keyDown.Has(Command::CLOAK))
for(const auto &it : player.Ships())
if(it->Attributes().Get("cloak"))
{
isCloaking = !isCloaking;
Messages::Add(isCloaking ? "Engaging cloaking device." : "Disengaging cloaking device.");
break;
}
// Toggle your secondary weapon.
if(keyDown.Has(Command::SELECT))
player.SelectNext();
// The commands below here only apply if you have escorts or fighters.
if(player.Ships().size() < 2)
return;
// Only toggle the "deploy" command if one of your ships has fighter bays.
if(keyDown.Has(Command::DEPLOY))
for(const auto &it : player.Ships())
if(it->HasBays())
{
isLaunching = !isLaunching;
Messages::Add(isLaunching ? "Deploying fighters" : "Recalling fighters.");
break;
}
shared_ptr<Ship> target = flagship->GetTargetShip();
if(keyDown.Has(Command::FIGHT) && target)
{
sharedTarget = target;
holdPosition = false;
moveToMe = false;
Messages::Add("All your ships are focusing their fire on \"" + target->Name() + "\".");
}
if(keyDown.Has(Command::HOLD))
{
sharedTarget.reset();
holdPosition = !holdPosition;
moveToMe = false;
Messages::Add(holdPosition ? "Your fleet is holding position."
: "Your fleet is no longer holding position.");
}
if(keyDown.Has(Command::GATHER))
{
sharedTarget.reset();
holdPosition = false;
moveToMe = !moveToMe;
Messages::Add(moveToMe ? "Your fleet is gathering around your flagship."
: "Your fleet is no longer gathering around your flagship.");
}
if(sharedTarget.lock() && sharedTarget.lock()->IsDisabled())
sharedTarget.reset();
}
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);
}
