protected override void OnUpdate()
{
var groupLength = m_Groups.Count;
m_CachedDictionaryEventKeepIds.Clear();
// Remove automatically groups with 0 entities in it
// If none are found, we remove the group from the list.
// If an entity is attached to the group with the same id, we use another version of this id (a là Entity class)
for (int i = 0; i != m_EntityGroup.Length; i++)
{
var group = m_EntityGroup.EntityGroups[i];
m_CachedDictionaryEventKeepIds[group.ReferenceId] = true;
}
for (int i = 0; i != m_MaxId; i++)
{
if (m_Groups.FastTryGet(i, out var _) &&
!m_CachedDictionaryEventKeepIds.FastTryGet(i, out var __))
{
var group = m_Groups[i];
Debug.Log($"Group({i}, {group.Version}) was unused, so it was removed.");
group.IsCreated = false;
group.Version++;
m_PooledGroups.Enqueue(group);
m_Groups.Remove(i);
}
}
}
internal EntityGroup AttachBehaviour(EntityGroupBehaviour behaviour)
{
if (behaviour.SceneGroupId < 0)
{
return(CreateGroup());
}
if (!m_ApplyGroupIdFromSceneGroupIds.FastTryGet(behaviour.SceneGroupId, out var groupId))
{
var data = CreateGroup();
m_ApplyGroupIdFromSceneGroupIds[behaviour.SceneGroupId] = data.ReferenceId;
return(data);
}
return(m_Groups[groupId]);
}
public void Update(ref EntityArray array)
{
m_Entities.Clear();
EntitySpawnCount = 0;
EntityReplaceCount = 0;
EntityRemovalCount = 0;
var defaultEntity = new Entity();
var length = array.Length;
if (NeedEntitiesList)
{
UnityEngine.Profiling.Profiler.BeginSample("ForLoop #1 - With entities");
for (int i = 0; i != length; i++)
{
Entity entity;
UnityEngine.Profiling.Profiler.BeginSample("Get entities and init var");
var checkedEntity = array[i];
UnityEngine.Profiling.Profiler.EndSample();
UnityEngine.Profiling.Profiler.BeginSample("TryGet()");
if (!m_CurrentEntities.FastTryGet(checkedEntity.Index, out entity))
{
if (NeedEntitiesList)
{
m_Entities.Add(new EntityChangeItem()
{
entity = checkedEntity,
wasCreated = true
});
}
m_CurrentEntities[checkedEntity.Index] = checkedEntity;
EntitySpawnCount++;
}
else if (NeedToCheckReplacement)
{
UnityEngine.Profiling.Profiler.BeginSample("Check Version");
// The entity was replaced
if (entity.Version != checkedEntity.Version)
{
EntityReplaceCount++;
m_CurrentEntities[checkedEntity.Index] = checkedEntity;
}
UnityEngine.Profiling.Profiler.EndSample();
}
UnityEngine.Profiling.Profiler.EndSample();
}
UnityEngine.Profiling.Profiler.EndSample();
}
else
{
UnityEngine.Profiling.Profiler.BeginSample("ForLoop #1 - Without entities");
EntitySpawnCount = length - m_LastLength;
m_LastLength = length;
UnityEngine.Profiling.Profiler.EndSample();
}
UnityEngine.Profiling.Profiler.BeginSample("Check for removal");
if (NeedToCheckRemoval && array.Length != m_CurrentEntities.Count)
{
var toRemove = new NativeList <int>(Allocator.Temp);
foreach (var entity in m_CurrentEntities.Values)
{
var exist = false;
for (int i = 0; i != array.Length; i++)
{
if (array[i].Index == entity.Index)
{
exist = true;
break;
}
}
if (exist)
{
continue;
}
EntityRemovalCount++;
m_Entities.Add(new EntityChangeItem()
{
entity = entity,
wasCreated = false
});
toRemove.Add(entity.Index);
}
for (int i = 0; i != toRemove.Length; i++)
{
m_CurrentEntities.Remove(toRemove[i]);
}
toRemove.Dispose();
}
UnityEngine.Profiling.Profiler.EndSample();
}
