public void CreateSystem(ECSSystem system)
{
m_entityManager.OnEntityCreated += system.OnEntityCreated;
m_entityManager.OnEntityDestroyedPre += system.OnEntityDestroyedPre;
m_entityManager.OnEntityDestroyedPost += system.OnEntityDestroyedPost;
m_componentManager.OnComponentAdded += system.OnComponentAdded;
m_componentManager.OnComponentRemovedPre += system.OnComponentRemovedPre;
m_componentManager.OnComponentRemovedPost += system.OnComponentRemovedPost;
m_systems.Set(SafeGetSystemID(system.GetType()), system);
system.Provide(m_queryManager, m_entityManager);
SortSystems();
}
private void SortSystems()
{
m_sortedSystems = new List <ECSSystem>();
Bag <ECSSystem> bag = m_systems.Clone();
bag.ResizeToFit();
List <ECSSystem> systems = new List <ECSSystem>(bag.GetAll());
List <ECSSystem> disabledSystems = new List <ECSSystem>();
for (int i = systems.Count - 1; i >= 0; i--)
{
if (systems[i].IsEnabled() == false)
{
disabledSystems.Add(systems[i]);
systems.RemoveAt(i);
}
}
int highestPriority = int.MinValue;
ECSSystem highestPriotitySystem = null;
while (systems.Count > 0)
{
highestPriority = int.MinValue;
highestPriotitySystem = null;
foreach (ECSSystem system in systems)
{
if (system.UpdatePriority > highestPriority)
{
highestPriority = system.UpdatePriority;
highestPriotitySystem = system;
}
}
systems.Remove(highestPriotitySystem);
m_sortedSystems.Add(highestPriotitySystem);
}
foreach (ECSSystem disabledSystem in disabledSystems)
{
m_sortedSystems.Add(disabledSystem);
}
for (int i = 0; i < m_sortedSystems.Count; i++)
{
ECSDebug.Log(i + " - " + m_sortedSystems[i]);
}
}
public void RemoveSystem <T>() where T : ECSSystem
{
int systemID = GetSystemID(typeof(T));
ECSSystem system = m_systems.Get(systemID);
m_entityManager.OnEntityCreated -= system.OnEntityCreated;
m_entityManager.OnEntityDestroyedPre -= system.OnEntityDestroyedPre;
m_entityManager.OnEntityDestroyedPost -= system.OnEntityDestroyedPost;
m_componentManager.OnComponentAdded -= system.OnComponentAdded;
m_componentManager.OnComponentRemovedPre -= system.OnComponentRemovedPre;
m_componentManager.OnComponentRemovedPost -= system.OnComponentRemovedPost;
m_systems.Set(systemID, null);
SortSystems();
}