void System::LoadObject(const DataNode &node, Set<Planet> &planets, int parent)
{
int index = objects.size();
objects.push_back(StellarObject());
StellarObject &object = objects.back();
object.parent = parent;
bool isAdded = (node.Token(0) == "add");
if(node.Size() >= 2 + isAdded)
{
Planet *planet = planets.Get(node.Token(1 + isAdded));
object.planet = planet;
planet->SetSystem(this);
}
for(const DataNode &child : node)
{
if(child.Token(0) == "sprite" && child.Size() >= 2)
{
object.LoadSprite(child);
object.isStar = !child.Token(1).compare(0, 5, "star/");
if(!object.isStar)
{
object.isStation = !child.Token(1).compare(0, 14, "planet/station");
object.isMoon = (!object.isStation && parent >= 0 && !objects[parent].IsStar());
}
}
else if(child.Token(0) == "distance" && child.Size() >= 2)
object.distance = child.Value(1);
else if(child.Token(0) == "period" && child.Size() >= 2)
object.speed = 360. / child.Value(1);
else if(child.Token(0) == "offset" && child.Size() >= 2)
object.offset = child.Value(1);
else if(child.Token(0) == "object")
LoadObject(child, planets, index);
else
child.PrintTrace("Skipping unrecognized attribute:");
}
}
// Load a system's description.
void System::Load(const DataNode &node, Set<Planet> &planets)
{
if(node.Size() < 2)
return;
name = node.Token(1);
// If this is truly a change and not just being called by Load(), these sets
// of objects will be entirely replaced by any new ones, rather than adding
// the new ones on to the end of the list:
bool resetLinks = !links.empty();
bool resetAsteroids = !asteroids.empty();
bool resetFleets = !fleets.empty();
bool resetObjects = !objects.empty();
for(const DataNode &child : node)
{
if(child.Token(0) == "pos" && child.Size() >= 3)
position.Set(child.Value(1), child.Value(2));
else if(child.Token(0) == "government" && child.Size() >= 2)
government = GameData::Governments().Get(child.Token(1));
else if(child.Token(0) == "link")
{
if(resetLinks)
{
resetLinks = false;
links.clear();
}
if(child.Size() >= 2)
links.push_back(GameData::Systems().Get(child.Token(1)));
}
else if(child.Token(0) == "habitable" && child.Size() >= 2)
habitable = child.Value(1);
else if(child.Token(0) == "asteroids")
{
if(resetAsteroids)
{
resetAsteroids = false;
asteroids.clear();
}
if(child.Size() >= 4)
asteroids.emplace_back(child.Token(1), child.Value(2), child.Value(3));
}
else if(child.Token(0) == "trade" && child.Size() >= 3)
trade[child.Token(1)].SetBase(child.Value(2));
else if(child.Token(0) == "fleet")
{
if(resetFleets)
{
resetFleets = false;
fleets.clear();
}
if(child.Size() >= 3)
fleets.emplace_back(GameData::Fleets().Get(child.Token(1)), child.Value(2));
}
else if(child.Token(0) == "object")
{
if(resetObjects)
{
for(StellarObject &object : objects)
if(object.GetPlanet())
{
Planet *planet = planets.Get(object.GetPlanet()->Name());
planet->RemoveSystem(this);
}
resetObjects = false;
objects.clear();
}
LoadObject(child, planets);
}
else
child.PrintTrace("Skipping unrecognized attribute:");
}
// Set planet messages based on what zone they are in.
for(StellarObject &object : objects)
{
if(object.message || object.planet)
continue;
const StellarObject *root = &object;
while(root->parent >= 0)
root = &objects[root->parent];
static const string STAR = "You cannot land on a star!";
static const string HOTPLANET = "This planet is too hot to land on.";
static const string COLDPLANET = "This planet is too cold to land on.";
static const string UNINHABITEDPLANET = "This planet is uninhabited.";
static const string HOTMOON = "This moon is too hot to land on.";
static const string COLDMOON = "This moon is too cold to land on.";
static const string UNINHABITEDMOON = "This moon is uninhabited.";
static const string STATION = "This station cannot be docked with.";
double fraction = root->distance / habitable;
if(object.IsStar())
object.message = &STAR;
else if (object.IsStation())
object.message = &STATION;
else if (object.IsMoon())
{
if(fraction < .5)
object.message = &HOTMOON;
else if(fraction >= 2.)
object.message = &COLDMOON;
else
object.message = &UNINHABITEDMOON;
}
else
{
if(fraction < .5)
object.message = &HOTPLANET;
else if(fraction >= 2.)
object.message = &COLDPLANET;
else
object.message = &UNINHABITEDPLANET;
}
}
}
// Load a system's description.
void System::Load(const DataNode &node, Set<Planet> &planets)
{
if(node.Size() < 2)
return;
name = node.Token(1);
// For the following keys, if this data node defines a new value for that
// key, the old values should be cleared (unless using the "add" keyword).
set<string> shouldOverwrite = {"asteroids", "attributes", "fleet", "link", "object"};
for(const DataNode &child : node)
{
// Check for the "add" or "remove" keyword.
bool add = (child.Token(0) == "add");
bool remove = (child.Token(0) == "remove");
if((add || remove) && child.Size() < 2)
{
child.PrintTrace("Skipping " + child.Token(0) + " with no key given:");
continue;
}
// Get the key and value (if any).
const string &key = child.Token((add || remove) ? 1 : 0);
int valueIndex = (add || remove) ? 2 : 1;
bool hasValue = (child.Size() > valueIndex);
const string &value = child.Token(hasValue ? valueIndex : 0);
// Check for conditions that require clearing this key's current value.
// "remove <key>" means to clear the key's previous contents.
// "remove <key> <value>" means to remove just that value from the key.
bool removeAll = (remove && !hasValue);
// If this is the first entry for the given key, and we are not in "add"
// or "remove" mode, its previous value should be cleared.
bool overwriteAll = (!add && !remove && shouldOverwrite.count(key));
overwriteAll |= (!add && !remove && key == "minables" && shouldOverwrite.count("asteroids"));
// Clear the data of the given type.
if(removeAll || overwriteAll)
{
// Clear the data of the given type.
if(key == "government")
government = nullptr;
else if(key == "music")
music.clear();
else if(key == "attributes")
attributes.clear();
else if(key == "link")
links.clear();
else if(key == "asteroids" || key == "minables")
asteroids.clear();
else if(key == "haze")
haze = nullptr;
else if(key == "trade")
trade.clear();
else if(key == "fleet")
fleets.clear();
else if(key == "object")
{
// Make sure any planets that were linked to this system know
// that they are no longer here.
for(StellarObject &object : objects)
if(object.GetPlanet())
planets.Get(object.GetPlanet()->TrueName())->RemoveSystem(this);
objects.clear();
}
// If not in "overwrite" mode, move on to the next node.
if(overwriteAll)
shouldOverwrite.erase(key == "minables" ? "asteroids" : key);
else
continue;
}
// Handle the attributes which can be "removed."
if(!hasValue && key != "object")
{
child.PrintTrace("Expected key to have a value:");
continue;
}
else if(key == "attributes")
{
if(remove)
for(int i = valueIndex; i < child.Size(); ++i)
attributes.erase(child.Token(i));
else
for(int i = valueIndex; i < child.Size(); ++i)
attributes.insert(child.Token(i));
}
else if(key == "link")
{
if(remove)
links.erase(GameData::Systems().Get(value));
else
links.insert(GameData::Systems().Get(value));
}
else if(key == "asteroids")
{
if(remove)
{
for(auto it = asteroids.begin(); it != asteroids.end(); ++it)
if(it->Name() == value)
{
asteroids.erase(it);
break;
}
}
else if(child.Size() >= 4)
asteroids.emplace_back(value, child.Value(valueIndex + 1), child.Value(valueIndex + 2));
}
else if(key == "minables")
{
const Minable *type = GameData::Minables().Get(value);
if(remove)
{
for(auto it = asteroids.begin(); it != asteroids.end(); ++it)
if(it->Type() == type)
{
asteroids.erase(it);
break;
}
}
else if(child.Size() >= 4)
asteroids.emplace_back(type, child.Value(valueIndex + 1), child.Value(valueIndex + 2));
}
else if(key == "fleet")
{
const Fleet *fleet = GameData::Fleets().Get(value);
if(remove)
{
for(auto it = fleets.begin(); it != fleets.end(); ++it)
if(it->Get() == fleet)
{
fleets.erase(it);
break;
}
}
else
fleets.emplace_back(fleet, child.Value(valueIndex + 1));
}
// Handle the attributes which cannot be "removed."
else if(remove)
{
child.PrintTrace("Cannot \"remove\" a specific value from the given key:");
continue;
}
else if(key == "pos" && child.Size() >= 3)
position.Set(child.Value(valueIndex), child.Value(valueIndex + 1));
else if(key == "government")
government = GameData::Governments().Get(value);
else if(key == "music")
music = value;
else if(key == "habitable")
habitable = child.Value(valueIndex);
else if(key == "belt")
asteroidBelt = child.Value(valueIndex);
else if(key == "haze")
haze = SpriteSet::Get(value);
else if(key == "trade" && child.Size() >= 3)
trade[value].SetBase(child.Value(valueIndex + 1));
else if(key == "object")
LoadObject(child, planets);
else
child.PrintTrace("Skipping unrecognized attribute:");
}
// Set planet messages based on what zone they are in.
for(StellarObject &object : objects)
{
if(object.message || object.planet)
continue;
const StellarObject *root = &object;
while(root->parent >= 0)
root = &objects[root->parent];
static const string STAR = "You cannot land on a star!";
static const string HOTPLANET = "This planet is too hot to land on.";
static const string COLDPLANET = "This planet is too cold to land on.";
static const string UNINHABITEDPLANET = "This planet is uninhabited.";
static const string HOTMOON = "This moon is too hot to land on.";
static const string COLDMOON = "This moon is too cold to land on.";
static const string UNINHABITEDMOON = "This moon is uninhabited.";
static const string STATION = "This station cannot be docked with.";
double fraction = root->distance / habitable;
if(object.IsStar())
object.message = &STAR;
else if (object.IsStation())
object.message = &STATION;
else if (object.IsMoon())
{
if(fraction < .5)
object.message = &HOTMOON;
else if(fraction >= 2.)
object.message = &COLDMOON;
else
object.message = &UNINHABITEDMOON;
}
else
{
if(fraction < .5)
object.message = &HOTPLANET;
else if(fraction >= 2.)
object.message = &COLDPLANET;
else
object.message = &UNINHABITEDPLANET;
}
}
}
// Load a planet's description from a file.
void Planet::Load(const DataNode &node, const Set<Sale<Ship>> &ships, const Set<Sale<Outfit>> &outfits)
{
if(node.Size() < 2)
return;
name = node.Token(1);
// If this planet has been loaded before, these sets of items should be
// reset if they are also defined here, instead of appending to them:
bool resetAttributes = !attributes.empty();
bool resetDescription = !description.empty();
bool resetSpaceport = !spaceport.empty();
for(const DataNode &child : node)
{
if(child.Token(0) == "landscape" && child.Size() >= 2)
landscape = SpriteSet::Get(child.Token(1));
else if(child.Token(0) == "attributes")
{
if(resetAttributes)
{
resetAttributes = false;
attributes.clear();
}
for(int i = 1; i < child.Size(); ++i)
attributes.insert(child.Token(i));
}
else if(child.Token(0) == "description" && child.Size() >= 2)
{
if(resetDescription)
{
resetDescription = false;
description.clear();
}
if(!description.empty() && !child.Token(1).empty() && child.Token(1)[0] > ' ')
description += '\t';
description += child.Token(1);
description += '\n';
}
else if(child.Token(0) == "spaceport" && child.Size() >= 2)
{
if(child.Token(1) == "clear")
spaceport.clear();
else
{
if(resetSpaceport)
{
resetSpaceport = false;
spaceport.clear();
}
if(!spaceport.empty() && !child.Token(1).empty() && child.Token(1)[0] > ' ')
spaceport += '\t';
spaceport += child.Token(1);
spaceport += '\n';
}
}
else if(child.Token(0) == "shipyard" && child.Size() >= 2)
{
if(child.Token(1) == "clear")
shipSales.clear();
else
shipSales.push_back(ships.Get(child.Token(1)));
}
else if(child.Token(0) == "outfitter" && child.Size() >= 2)
{
if(child.Token(1) == "clear")
outfitSales.clear();
else
outfitSales.push_back(outfits.Get(child.Token(1)));
}
else if(child.Token(0) == "government" && child.Size() >= 2)
government = GameData::Governments().Get(child.Token(1));
else if(child.Token(0) == "required reputation" && child.Size() >= 2)
requiredReputation = child.Value(1);
else if(child.Token(0) == "bribe" && child.Size() >= 2)
bribe = child.Value(1);
else if(child.Token(0) == "security" && child.Size() >= 2)
security = child.Value(1);
else if(child.Token(0) == "tribute" && child.Size() >= 2)
{
tribute = child.Value(1);
for(const DataNode &grand : child)
{
if(grand.Token(0) == "threshold" && grand.Size() >= 2)
defenseThreshold = grand.Value(1);
else if(grand.Token(0) == "fleet" && grand.Size() >= 3)
{
defenseCount = (grand.Size() >= 3 ? grand.Value(2) : 1);
defenseFleet = GameData::Fleets().Get(grand.Token(1));
}
else
grand.PrintTrace("Skipping unrecognized attribute:");
}
}
else
child.PrintTrace("Skipping unrecognized attribute:");
}
}
