// todo: вынести создание в фабрику
public SystemReactor(ISystemExecutor systemExecutor, HashSet <Type> targetTypes)
{
_systemExecutor = systemExecutor;
TargetTypesSet = targetTypes;
TargetTypesList = targetTypes.ToList();
_componentIndex = new ComponentIndex(targetTypes.ToList());
_componentIndex.Build();
_inConnectionIndex = new ConnectionIndex(targetTypes.ToList());
_outConnectionIndex = new ConnectionIndex(targetTypes.ToList());
var systems = _systemExecutor.Systems
.Where(x => x.TargetGroup.TargettedComponents.Any() && x.TargetGroup.TargettedComponents.All(targetTypes.Contains))
.ToList();
GroupAccessors = _systemExecutor.PoolManager.PoolAccessors
.Where(x => new HashSet <Type>(x.AccessorToken.ComponentTypes).IsSubsetOf(targetTypes))
.ToArray();
SetupSystems = systems.OfType <ISetupSystem>().OrderByPriority().ToArray();
EntityReactionSystems = systems.OfType <IEntityReactionSystem>().OrderByPriority().ToArray();
GroupReactionSystems = systems.OfType <IGroupReactionSystem>().OrderByPriority().ToArray();
InteractReactionSystems = systems.OfType <IInteractReactionSystem>().OrderByPriority().ToArray();
TeardownSystems = systems.OfType <ITeardownSystem>().OrderByPriority().ToArray();
HasGroupOrSystems = systems.Count > 0 || GroupAccessors.Length > 0;
}
public ConnectionIndex(IEnumerable <Type> targetTypes)
{
_index = new ComponentIndex(targetTypes.ToList());
_index.Build();
_connections = new ReactorConnection[0];
}