public static bool Matches(this ILookupGroup lookupGroup, IEntity entity)
{
if (lookupGroup.ExcludedComponents.Length == 0)
{
return(ContainsAllRequiredComponents(lookupGroup, entity));
}
return(ContainsAllRequiredComponents(lookupGroup, entity) && !ContainsAnyExcludedComponents(lookupGroup, entity));
}
public static bool ContainsAny(this ILookupGroup group, params int[] components)
{
var requiredContains = group.ContainsAnyRequiredComponents(components);
if (requiredContains)
{
return(true);
}
return(group.ContainsAnyExcludedComponents(components));
}
public static bool ContainsAllRequiredComponents(this ILookupGroup group, params int[] componentTypeIds)
{
for (var i = group.RequiredComponents.Length - 1; i >= 0; i--)
{
if (!componentTypeIds.Contains(group.RequiredComponents[i]))
{
return(false);
}
}
return(true);
}
public IEnumerable <IEntity> GetEntitiesFor(ILookupGroup lookupGroup, string collectionName = null)
{
if (lookupGroup.RequiredComponents.Length == 0 && lookupGroup.ExcludedComponents.Length == 0)
{
return(new IEntity[0]);
}
if (collectionName != null)
{
return(_collections[collectionName].MatchingGroup(lookupGroup));
}
return(Collections.GetAllEntities().MatchingGroup(lookupGroup));
}
public static bool ContainsAllRequiredComponents(this ILookupGroup group, params int[] componentTypeIds)
{
for (var index = group.RequiredComponents.Length - 1; index >= 0; index--)
{
if (componentTypeIds.Contains(@group.RequiredComponents[index]))
{
continue;
}
return(false);
}
return(true);
}
public static bool ContainsAnyRequiredComponents(this ILookupGroup group, params int[] componentTypes)
{
for (var index = @group.RequiredComponents.Length - 1; index >= 0; index--)
{
for (var j = componentTypes.Length - 1; j >= 0; j--)
{
if (group.RequiredComponents[index] == componentTypes[j])
{
return(true);
}
}
}
return(false);
}
public static IEnumerable <IEntity> MatchingGroup(this IEnumerable <IEntity> entities, ILookupGroup group) => entities.Where(group.Matches);
public static bool ContainsAnyExcludedComponents(this ILookupGroup group, IEntity entity) => entity.HasAnyComponents(group.ExcludedComponents);
public static bool ContainsAnyExcludedComponents(this ILookupGroup group, params int[] componentTypes) => group.ExcludedComponents.Any(componentTypes.Contains);
public static bool ContainsAllRequiredComponents(this ILookupGroup group, IEntity entity) => entity.HasAllComponents(group.RequiredComponents);
public static bool ContainsAnyRequiredComponents(this ILookupGroup group, IEntity entity)
{
return(entity.HasAnyComponents(group.RequiredComponents));
}
public ObservableGroupToken(ILookupGroup lookupGroup, string collectionName)
{
LookupGroup = lookupGroup;
CollectionName = collectionName;
}
