Effect system and snowpea

scripts/systems/effects/Effect.cs

@@ -1,11 +1,12 @@
 using Godot;
-using System;
 
 namespace Newlon.Systems.Effects;
 
 public abstract partial class Effect : Resource
 {
-    public abstract void Enter();
-    public abstract void Process();
-    public abstract void Exit();
+    [Export] public float Duration;
+    [Export] public Utility.EffectSlots Slot;
+    public abstract void Enter(Node target);
+    public abstract void Process(Node target);
+    public abstract void Exit(Node target);
 }

scripts/systems/effects/IEffectHandler.cs

@@ -2,5 +2,7 @@ namespace Newlon.Systems.Effects;
 
 public interface IEffectHandler
 {
-    
+    void GiveEffect(Effect what);
+    void EndEffect(Effect what);
+    void ProcessEffects();
 }

scripts/systems/effects/SlownessEffect.cs

@@ -0,0 +1,35 @@
+using Godot;
+using Newlon.Components;
+using System;
+
+namespace Newlon.Systems.Effects;
+
+public partial class SlownessEffect : Effect
+{
+    [Export] public Color ColorOverride;
+    [Export] public float Multiplier;
+
+    public override void Enter(Node target)
+    {
+        if(target is IEffectHandler handler)
+        {
+            if(target is ILocalTimescale timescalable)
+                timescalable.LocalTimescale *= Multiplier;
+            if(target is CanvasItem canvasItem)
+                canvasItem.Modulate = ColorOverride;
+        }
+    }
+
+    public override void Exit(Node target)
+    {
+        if(target is ILocalTimescale timescalable)
+            timescalable.LocalTimescale /= Multiplier;
+        if(target is CanvasItem canvasItem)
+            canvasItem.Modulate = Colors.White;
+    }
+
+    public override void Process(Node target)
+    {
+        
+    }
+}