new effect system

scripts/systems/effects/EffectHandler.cs

@@ -0,0 +1,48 @@
+using Godot;
+using Newlon.Components;
+
+namespace Newlon.Systems.Effects;
+
+public partial class EffectHandler : RefCounted
+{
+    public Entity handler;
+    public Effect HandledEffect;
+    public Timer EffectTimer;
+    public Tween EffectTween;
+
+    public void Start()
+    {
+        EffectTimer.WaitTime = HandledEffect.Duration;
+        EffectTimer.Start();
+
+        HandledEffect.Enter(handler);
+    }
+    public void End()
+    {
+        HandledEffect.Exit(handler);
+        HandledEffect = null;
+        EffectTimer.Stop();
+        if (EffectTween != null)
+        {
+            LON.ForceFinishTween(EffectTween);
+            EffectTween.Kill();
+        }
+    }
+    public void Process()
+    {
+        HandledEffect.Process(handler);
+    }
+    public void Restart()
+    {
+        HandledEffect.Exit(handler);
+        EffectTimer.Stop();
+        if (EffectTween != null)
+        {
+            LON.ForceFinishTween(EffectTween);
+            EffectTween.Kill();
+        }
+
+        HandledEffect.Enter(handler);
+        EffectTimer.Start();
+    }
+}