void updateGroupsComponentAddedOrRemoved(IEntity entity, int index, IComponent component)
{
var groups = _groupsForIndex[index];
if (groups != null)
{
var events = EntitasCache.GetGroupChangedList <TEntity>();
var tEntity = (TEntity)entity;
for (int i = 0; i < groups.Count; i++)
{
events.Add(groups[i].HandleEntity(tEntity));
}
for (int i = 0; i < events.Count; i++)
{
var groupChangedEvent = events[i];
if (groupChangedEvent != null)
{
groupChangedEvent(
groups[i], tEntity, index, component
);
}
}
EntitasCache.PushGroupChangedList <TEntity>(events);
}
}
static int[] distinctIndices(IList <int> indices)
{
var indicesSet = EntitasCache.GetIntHashSet();
foreach (var index in indices)
{
indicesSet.Add(index);
}
var uniqueIndices = new int[indicesSet.Count];
indicesSet.CopyTo(uniqueIndices);
Array.Sort(uniqueIndices);
EntitasCache.PushIntHashSet(indicesSet);
return(uniqueIndices);
}
/// Returns all indices of added components.
public int[] GetComponentIndices()
{
if (_componentIndicesCache == null)
{
var indices = EntitasCache.GetIntList();
for (int i = 0; i < _components.Length; i++)
{
if (_components[i] != null)
{
indices.Add(i);
}
}
_componentIndicesCache = indices.ToArray();
EntitasCache.PushIntList(indices);
}
return(_componentIndicesCache);
}
/// Returns all added components.
public IComponent[] GetComponents()
{
if (_componentsCache == null)
{
var components = EntitasCache.GetIComponentList();
for (int i = 0; i < _components.Length; i++)
{
var component = _components[i];
if (component != null)
{
components.Add(component);
}
}
_componentsCache = components.ToArray();
EntitasCache.PushIComponentList(components);
}
return(_componentsCache);
}
static int[] mergeIndices(int[] allOfIndices, int[] anyOfIndices, int[] noneOfIndices)
{
var indicesList = EntitasCache.GetIntList();
if (allOfIndices != null)
{
indicesList.AddRange(allOfIndices);
}
if (anyOfIndices != null)
{
indicesList.AddRange(anyOfIndices);
}
if (noneOfIndices != null)
{
indicesList.AddRange(noneOfIndices);
}
var mergedIndices = distinctIndices(indicesList);
EntitasCache.PushIntList(indicesList);
return(mergedIndices);
}