Added section ordering for systems runtime

src/Internal/Containers/PagedSparseSet.bf

@@ -11,6 +11,8 @@ class PagedSparseSet
 	private List<Entity> _packed = new .() ~ delete _;
 	private UList _packedEntities ~ delete _;
 
+	private function void(void* data) _deallocationFunction = null;
+
 	public this(int_cosize size)
 	{
 		_packedEntities = new .(size);
@@ -29,12 +31,15 @@ class PagedSparseSet
 		_sparse[e.Index/PageSize][e.Index % PageSize] = (.)_packed.Count-1;
 	}
 
-	public bool Remove(Entity e)
+	public bool Remove(Entity e, bool cleanup = false)
 	{
 		EnsurePage(e.Index/PageSize);
 		if(_sparse[e.Index/PageSize] == null)
 			return false;
 
+		if(_deallocationFunction != null && !cleanup)
+			_deallocationFunction(_packedEntities[(.)(_sparse[e.Index/PageSize][e.Index % PageSize].Index)]);
+
 		let toRm = _packed[_sparse[e.Index/PageSize][e.Index % PageSize].Index];
 		let b = _packed.Back;
 		_packed[_sparse[e.Index/PageSize][e.Index % PageSize].Index] = b;

src/Internal/Managers/ComponentManager.bf

@@ -38,6 +38,9 @@ class ComponentManager
 		return (.)(Components.Count-1);
 	}
 
+	///Sets a function that should be called, when an object gets removed
+	public void SetDeallocationFunction(Component c, function void(void*) func) => Components[c].[Friend]_deallocationFunction = func;
+
 	[Inline]
 	public void* GetData(Entity e, Component c) => Components[c].[Unchecked]Get(e);
 
@@ -52,7 +55,7 @@ class ComponentManager
 	public void AddToEntity(Entity e, Component c, void* data) => Components[c].Add(e, data);
 
 	///Remove a component from the given entity
-	public bool RemoveFromEntity(Entity e, Component c) =>  Components[c].Remove(e);
+	public bool RemoveFromEntity(Entity e, Component c) =>  Components[c].Remove(e, true);
 
 	///Remove a component from the given entity and return it
 	public Result<void*> GetAndRemoveFromEntity(Entity e, Component c)

src/Internal/Managers/SystemsManager.bf

@@ -7,6 +7,11 @@ class SystemsManager : IEnumerable<(String key, System value)>
 {
 	private ECS _owner;
 	private Dictionary<String, System> _registeredSystems = new .() ~ delete _;
+	private Dictionary<String, (function void(ECS), float, SystemSection)> _registeredLooseSystems = new .() ~ DeleteDictionaryAndKeys!(_);
+
+	private bool _dirty = false;
+	private List<System> _sortedSystems = new .() ~ delete _;
+	private List<(function void(ECS), float, SystemSection)> _sortedLooseSystems = new .() ~ delete _;
 
 	public this(ECS ecs)
 	{
@@ -16,34 +21,103 @@ class SystemsManager : IEnumerable<(String key, System value)>
 	///Registers a system and returns false if its already contained
 	public bool RegisterSystem(System sys, StringView id)
 	{
-		if (_registeredSystems.ContainsKeyAlt<StringView>(id))
+		if (_registeredSystems.ContainsKeyAlt<StringView>(id) || _registeredLooseSystems.ContainsKeyAlt<StringView>(id))
 			return false;
+		_dirty = true;
 		_registeredSystems.Add(new .(id), sys);
 		sys.RegisterSystem(_owner);
 		return true;
 	}
 
+	///Register a system without an actual system object
+	public bool RegisterLooseSystem(StringView id, function void(ECS) func, float runtimeDelay = 0, SystemSection section = .TECS_Update)
+	{
+		if (_registeredSystems.ContainsKeyAlt<StringView>(id) || _registeredLooseSystems.ContainsKeyAlt<StringView>(id))
+			return false;
+		_dirty = true;
+		_registeredLooseSystems.Add(new .(id), (func, runtimeDelay, section));
+		return true;
+	}
+
 	///Deregister a single system
 	public Result<System> DeregisterSystem(StringView id)
 	{
-		if (!_registeredSystems.ContainsKeyAlt<StringView>(id))
+		_dirty = true;
+		if (!(_registeredSystems.ContainsKeyAlt<StringView>(id) || _registeredLooseSystems.ContainsKeyAlt<StringView>(id)))
 			return .Err;
+		if (_registeredSystems.ContainsKeyAlt<StringView>(id))
 			return .Ok(_registeredSystems.GetAndRemoveAlt<StringView>(id).Value.value);
+		else
+		{
+			_registeredLooseSystems.Remove(scope .(id));
+			return .Ok(null);
+		}
 	}
 
 	///Remove all systems from use and return the amount of systems cleared
 	public int ClearAllSystems()
 	{
+		_dirty = true;
 		var c = _registeredSystems.Count;
 		_registeredSystems.Clear();
 		return c;
 	}
 
 	///Runs all systems once
-	public void RunAllSystems(ECS ecs)
+	public void RunAllSystems(ECS ecs, float delta = 0)
 	{
-		for (var i in _registeredSystems)
-			i.value.RunSystem(ecs);
+		if (_dirty)
+		{
+			SortSystemPriorites();
+			_dirty = false;
+		}
+
+		int counter = 0;
+		int counterLoose = 0;
+
+		for (uint8 section <= 255)
+		{
+			if (_sortedSystems.Count > counter)
+				while (_sortedSystems[counter].Section == (.)section)
+				{
+					_sortedSystems[counter].RunSystem(ecs);
+					counter++;
+				}
+
+			if (_sortedLooseSystems.Count > counterLoose)
+				while (_sortedLooseSystems[counterLoose].2 == (.)section)
+				{
+					_sortedLooseSystems[counterLoose].0(ecs);
+					counter++;
+				}
+		}
+	}
+
+	///Run all systems with a specific section
+	public void RunSystemsBySection(ECS ecs, SystemSection section, float delta = 0)
+	{
+		if (_dirty)
+		{
+			SortSystemPriorites();
+			_dirty = false;
+		}
+
+		int counter = 0;
+		int counterLoose = 0;
+
+		if (_sortedSystems.Count > counter)
+			while (_sortedSystems[counter].Section == (.)section)
+			{
+				_sortedSystems[counter].RunSystem(ecs);
+				counter++;
+			}
+
+		if (_sortedLooseSystems.Count > counterLoose)
+			while (_sortedLooseSystems[counterLoose].2 == (.)section)
+			{
+				_sortedLooseSystems[counterLoose].0(ecs);
+				counter++;
+			}
 	}
 
 	///Run a single system
@@ -67,4 +141,29 @@ class SystemsManager : IEnumerable<(String key, System value)>
 	public int Count => _registeredSystems.Count;
 
 	public Dictionary<String, System>.Enumerator GetEnumerator() => _registeredSystems.GetEnumerator();
+	public Dictionary<String, (function void(ECS), float, SystemSection)>.Enumerator GetLooseEnumerator() => _registeredLooseSystems.GetEnumerator();
+
+
+	private void SortSystemPriorites()
+	{
+		_sortedSystems.Clear();
+		_sortedLooseSystems.Clear();
+
+		for (var i in _registeredSystems)
+			_sortedSystems.Add(i.value);
+
+		_sortedSystems.Sort(scope (a, b) =>
+			{
+				return a.Section - b.Section;
+			});
+
+		for (var i in _registeredLooseSystems)
+			_sortedLooseSystems.Add(i.value);
+
+		_sortedLooseSystems.Sort(scope (a, b) =>
+			{
+				return a.2 - b.2;
+			});
+	}
+
 }

src/System.bf

@@ -1,4 +1,5 @@
 namespace Theater_ECS;
+using Theater_ECS.Internal;
 using Theater_ECS.Internal.Containers;
 
 using System;
@@ -8,6 +9,7 @@ abstract class System
 {
 	public bool Paused = false; //Wether or not this service should be run
 	public float RuntimeDelay = 0; //How many seconds should we wait after running this system
+	public SystemSection Section = .TECS_Update;
 
 
 	private List<Component> _Components = new .(10) ~ delete _;