internal Actor(World world, string name, TypeDictionary initDict)
{
var duplicateInit = initDict.WithInterface <ISingleInstanceInit>().GroupBy(i => i.GetType())
.FirstOrDefault(i => i.Count() > 1);
if (duplicateInit != null)
{
throw new InvalidDataException("Duplicate initializer '{0}'".F(duplicateInit.Key.Name));
}
var init = new ActorInitializer(this, initDict);
readOnlyConditionCache = new ReadOnlyDictionary <string, int>(conditionCache);
World = world;
ActorID = world.NextAID();
var ownerInit = init.GetOrDefault <OwnerInit>();
if (ownerInit != null)
{
Owner = ownerInit.Value(world);
}
if (name != null)
{
name = name.ToLowerInvariant();
if (!world.Map.Rules.Actors.ContainsKey(name))
{
throw new NotImplementedException("No rules definition for unit " + name);
}
Info = world.Map.Rules.Actors[name];
foreach (var trait in Info.TraitsInConstructOrder())
{
AddTrait(trait.Create(init));
// Some traits rely on properties provided by IOccupySpace in their initialization,
// so we must ready it now, we cannot wait until all traits have finished construction.
if (trait is IOccupySpaceInfo)
{
OccupiesSpace = Trait <IOccupySpace>();
}
}
}
// PERF: Cache all these traits as soon as the actor is created. This is a fairly cheap one-off cost per
// actor that allows us to provide some fast implementations of commonly used methods that are relied on by
// performance-sensitive parts of the core game engine, such as pathfinding, visibility and rendering.
EffectiveOwner = TraitOrDefault <IEffectiveOwner>();
facing = TraitOrDefault <IFacing>();
health = TraitOrDefault <IHealth>();
renderModifiers = TraitsImplementing <IRenderModifier>().ToArray();
renders = TraitsImplementing <IRender>().ToArray();
mouseBounds = TraitsImplementing <IMouseBounds>().ToArray();
visibilityModifiers = TraitsImplementing <IVisibilityModifier>().ToArray();
defaultVisibility = Trait <IDefaultVisibility>();
becomingIdles = TraitsImplementing <INotifyBecomingIdle>().ToArray();
tickIdles = TraitsImplementing <INotifyIdle>().ToArray();
Targetables = TraitsImplementing <ITargetable>().ToArray();
targetablePositions = TraitsImplementing <ITargetablePositions>().ToArray();
world.AddFrameEndTask(w =>
{
// Caching this in a AddFrameEndTask, because trait construction order might cause problems if done directly at creation time.
// All actors that can move or teleport should have IPositionable, if not it's pretty safe to assume the actor is completely immobile and
// all targetable positions can be cached if all ITargetablePositions have no conditional requirements.
if (!Info.HasTraitInfo <IPositionableInfo>() && targetablePositions.Any() && targetablePositions.All(tp => tp.AlwaysEnabled))
{
staticTargetablePositions = targetablePositions.SelectMany(tp => tp.TargetablePositions(this)).ToArray();
}
});
SyncHashes = TraitsImplementing <ISync>().Select(sync => new SyncHash(sync)).ToArray();
}