✨ Separated events from variables and adjusted test scene

addons/babushkahelpers/babushka_dialogue_style.tres

@@ -12,42 +12,34 @@
 
 [sub_resource type="Resource" id="Resource_w535h"]
 script = ExtResource("1_hr3vo")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_j3dy5"]
 script = ExtResource("1_hr3vo")
 scene = ExtResource("2_cpmol")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_d5o1r"]
 script = ExtResource("1_hr3vo")
 scene = ExtResource("3_12uyf")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_g7mor"]
 script = ExtResource("1_hr3vo")
 scene = ExtResource("4_ncyk4")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_wgjgg"]
 script = ExtResource("1_hr3vo")
 scene = ExtResource("5_qg2g4")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_45hxc"]
 script = ExtResource("1_hr3vo")
 scene = ExtResource("6_c5ex4")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_c53vn"]
 script = ExtResource("1_hr3vo")
 scene = ExtResource("7_bopa1")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_n6k7j"]
 script = ExtResource("1_hr3vo")
 scene = ExtResource("8_oycnw")
-overrides = {}
 
 [resource]
 script = ExtResource("9_i6i1n")
@@ -63,6 +55,4 @@ layer_info = {
 "15": SubResource("Resource_c53vn"),
 "16": SubResource("Resource_n6k7j")
 }
-base_overrides = {}
-layers = Array[ExtResource("1_hr3vo")]([])
 metadata/_latest_layer = ""

addons/dialogic/vesna_style.tres

@@ -22,17 +22,14 @@ overrides = {
 [sub_resource type="Resource" id="Resource_awdqn"]
 script = ExtResource("1_kc0s3")
 scene = ExtResource("2_wjopr")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_5pou4"]
 script = ExtResource("1_kc0s3")
 scene = ExtResource("3_depsi")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_6xrvb"]
 script = ExtResource("1_kc0s3")
 scene = ExtResource("4_wy5ku")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_k1327"]
 script = ExtResource("1_kc0s3")
@@ -55,7 +52,6 @@ overrides = {
 [sub_resource type="Resource" id="Resource_qtijl"]
 script = ExtResource("1_kc0s3")
 scene = ExtResource("6_iipq0")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_nalij"]
 script = ExtResource("1_kc0s3")
@@ -72,17 +68,14 @@ overrides = {
 [sub_resource type="Resource" id="Resource_ymn1b"]
 script = ExtResource("1_kc0s3")
 scene = ExtResource("8_4ig6v")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_8j3qh"]
 script = ExtResource("1_kc0s3")
 scene = ExtResource("9_gni8k")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_uu1x2"]
 script = ExtResource("1_kc0s3")
 scene = ExtResource("6_iipq0")
-overrides = {}
 
 [resource]
 script = ExtResource("10_l174f")
@@ -100,6 +93,4 @@ layer_info = {
 "17": SubResource("Resource_8j3qh"),
 "18": SubResource("Resource_uu1x2")
 }
-base_overrides = {}
-layers = Array[ExtResource("1_kc0s3")]([])
 metadata/_latest_layer = "13"

dialog/NPC_narrative.tres

@@ -24,17 +24,14 @@ overrides = {
 [sub_resource type="Resource" id="Resource_uxnk3"]
 script = ExtResource("1_0jwhi")
 scene = ExtResource("2_8wrfq")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_ihoat"]
 script = ExtResource("1_0jwhi")
 scene = ExtResource("3_t7aeg")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_pw0bl"]
 script = ExtResource("1_0jwhi")
 scene = ExtResource("4_85y6g")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_lfav5"]
 script = ExtResource("1_0jwhi")
@@ -58,7 +55,6 @@ overrides = {
 [sub_resource type="Resource" id="Resource_clhbu"]
 script = ExtResource("1_0jwhi")
 scene = ExtResource("6_i6h15")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_umvdi"]
 script = ExtResource("1_0jwhi")
@@ -75,17 +71,14 @@ overrides = {
 [sub_resource type="Resource" id="Resource_ci2ul"]
 script = ExtResource("1_0jwhi")
 scene = ExtResource("8_h83v4")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_sadu5"]
 script = ExtResource("1_0jwhi")
 scene = ExtResource("9_4c2uo")
-overrides = {}
 
 [sub_resource type="Resource" id="Resource_0jwhi"]
 script = ExtResource("1_0jwhi")
 scene = ExtResource("6_i6h15")
-overrides = {}
 
 [resource]
 script = ExtResource("10_e3ue2")
@@ -103,6 +96,4 @@ layer_info = {
 "17": SubResource("Resource_sadu5"),
 "18": SubResource("Resource_0jwhi")
 }
-base_overrides = {}
-layers = Array[ExtResource("1_0jwhi")]([])
 metadata/_latest_layer = "13"

project.godot

@@ -121,7 +121,6 @@ directories/tres_directory={
 "8_goto_bed": "res://resources/quests/demo/8_goto_bed.tres",
 "9_talk_to_chuga": "res://resources/quests/demo/9_talk_to_chuga.tres",
 "Babushka_NPC_Namebox_background": "res://dialog/Babushka_NPC_Namebox_background.tres",
-"ColorEvent": "res://resources/events/ColorEvent.tres",
 "InputFieldsStyle": "res://addons/dialogic/Editor/Events/styles/InputFieldsStyle.tres",
 "MainTheme": "res://addons/dialogic/Editor/Theme/MainTheme.tres",
 "NPC_narrative": "res://dialog/NPC_narrative.tres",
@@ -133,7 +132,6 @@ directories/tres_directory={
 "SectionPanel": "res://addons/dialogic/Editor/Events/styles/SectionPanel.tres",
 "SimpleButtonHover": "res://addons/dialogic/Editor/Events/styles/SimpleButtonHover.tres",
 "SimpleButtonNormal": "res://addons/dialogic/Editor/Events/styles/SimpleButtonNormal.tres",
-"TestStringEvent": "res://resources/events/TestStringEvent.tres",
 "TextBackground": "res://addons/dialogic/Editor/Events/styles/TextBackground.tres",
 "TitleBgStylebox": "res://addons/dialogic/Editor/Common/TitleBgStylebox.tres",
 "babushka_dialogue_style": "res://addons/babushkahelpers/babushka_dialogue_style.tres",
@@ -146,6 +144,8 @@ directories/tres_directory={
 "default_bus_layout": "res://audio/default_bus_layout.tres",
 "default_stylebox": "res://addons/dialogic/Modules/DefaultLayoutParts/Layer_SpeakerPortraitTextbox/default_stylebox.tres",
 "default_vn_style": "res://addons/dialogic/Modules/DefaultLayoutParts/Style_VN_Default/default_vn_style.tres",
+"event_colorButtonClicked": "res://resources/low code/test/event_colorButtonClicked.tres",
+"event_textLabelClicked": "res://resources/low code/test/event_textLabelClicked.tres",
 "farming_equipment_glossary": "res://dialog/farming_equipment_glossary.tres",
 "hoe": "res://resources/items/hoe.tres",
 "inventory_interactable_outline": "res://art/materials/inventory_interactable_outline.tres",
@@ -168,6 +168,7 @@ directories/tres_directory={
 "tomato": "res://resources/items/tomato.tres",
 "tomato_seed": "res://resources/items/tomato_seed.tres",
 "unselected_stylebox": "res://addons/dialogic/Editor/Events/styles/unselected_stylebox.tres",
+"var_ColorTestValue": "res://resources/low code/test/var_ColorTestValue.tres",
 "vesna_style": "res://addons/dialogic/vesna_style.tres",
 "vn_textbox_default_panel": "res://addons/dialogic/Modules/DefaultLayoutParts/Layer_VN_Textbox/vn_textbox_default_panel.tres",
 "vn_textbox_name_label_panel": "res://addons/dialogic/Modules/DefaultLayoutParts/Layer_VN_Textbox/vn_textbox_name_label_panel.tres",

resources/events/ColorEvent.tres

@@ -1,9 +0,0 @@
-[gd_resource type="Resource" script_class="EventResource" load_steps=2 format=3 uid="uid://dc7e13hq47uma"]
-
-[ext_resource type="Script" uid="uid://ci3t5mvnopntg" path="res://scripts/CSharp/Low Code/Events/EventResource.cs" id="1_ufwo5"]
-
-[resource]
-script = ExtResource("1_ufwo5")
-_showLog = true
-Payload = Color(0.84002423, 0.44197178, 0.5653889, 1)
-metadata/_custom_type_script = "uid://ci3t5mvnopntg"

resources/low code/test/event_colorButtonClicked.tres

@@ -1,9 +1,7 @@
-[gd_resource type="Resource" script_class="EventResource" load_steps=2 format=3 uid="uid://bgfxakxxfmoxs"]
+[gd_resource type="Resource" script_class="EventResource" load_steps=2 format=3 uid="uid://bfw1dfd0r8avr"]
 
-[ext_resource type="Script" uid="uid://ci3t5mvnopntg" path="res://scripts/CSharp/Low Code/Events/EventResource.cs" id="1_dd3u7"]
+[ext_resource type="Script" uid="uid://ci3t5mvnopntg" path="res://scripts/CSharp/Low Code/Events/EventResource.cs" id="1_yg3mc"]
 
 [resource]
-script = ExtResource("1_dd3u7")
+script = ExtResource("1_yg3mc")
-_showLog = true
-Payload = "This is a test."
 metadata/_custom_type_script = "uid://ci3t5mvnopntg"

resources/low code/test/event_textLabelClicked.tres

@@ -0,0 +1,7 @@
+[gd_resource type="Resource" script_class="EventResource" load_steps=2 format=3 uid="uid://boijwlxmth68v"]
+
+[ext_resource type="Script" uid="uid://ci3t5mvnopntg" path="res://scripts/CSharp/Low Code/Events/EventResource.cs" id="1_vfqv2"]
+
+[resource]
+script = ExtResource("1_vfqv2")
+metadata/_custom_type_script = "uid://ci3t5mvnopntg"

resources/low code/test/var_ColorTestValue.tres

@@ -0,0 +1,8 @@
+[gd_resource type="Resource" script_class="VariableResource" load_steps=2 format=3 uid="uid://dpnre2bn041jm"]
+
+[ext_resource type="Script" uid="uid://dtvx2cakx0bey" path="res://scripts/CSharp/Low Code/Variables/VariableResource.cs" id="1_h8big"]
+
+[resource]
+script = ExtResource("1_h8big")
+Payload = Color(0, 0, 0, 1)
+metadata/_custom_type_script = "uid://dtvx2cakx0bey"

scenes/testing/eventTest.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=6 format=3 uid="uid://6n3p3psmxovj"]
+[gd_scene load_steps=7 format=3 uid="uid://6n3p3psmxovj"]
 
+[ext_resource type="Script" uid="uid://pqemey80frcq" path="res://scripts/CSharp/Low Code/Variables/VariableListener.cs" id="1_4h3ry"]
 [ext_resource type="Script" uid="uid://bc6uaaxsx5k5p" path="res://scripts/CSharp/Low Code/Events/EventListener.cs" id="1_w5ykc"]
-[ext_resource type="Resource" uid="uid://dc7e13hq47uma" path="res://resources/events/ColorEvent.tres" id="2_4h3ry"]
+[ext_resource type="Resource" uid="uid://dpnre2bn041jm" path="res://resources/low code/test/var_ColorTestValue.tres" id="2_bj4kf"]
 [ext_resource type="Script" uid="uid://b5dotkx17gvxg" path="res://scripts/CSharp/Low Code/Events/EventRaiser.cs" id="3_bj4kf"]
-[ext_resource type="Resource" uid="uid://bgfxakxxfmoxs" path="res://resources/events/TestStringEvent.tres" id="4_5dsed"]
+[ext_resource type="Resource" uid="uid://boijwlxmth68v" path="res://resources/low code/test/event_textLabelClicked.tres" id="5_4h3ry"]
 [ext_resource type="Script" uid="uid://co1b320qemg1i" path="res://scripts/CSharp/Low Code/Randomizer/VariantRandomizer.cs" id="5_nm8dh"]
 
 [node name="EventTest" type="Node2D"]
@@ -19,9 +20,18 @@ offset_bottom = 329.0
 layout_mode = 0
 offset_right = 178.0
 offset_bottom = 145.0
-script = ExtResource("1_w5ykc")
+script = ExtResource("1_4h3ry")
-_eventResources = Array[Object]([ExtResource("2_4h3ry")])
+_variableResources = Array[Object]([ExtResource("2_bj4kf")])
-_showLog = true
+
+[node name="ChangeColorButton" type="Button" parent="Control"]
+layout_mode = 0
+offset_top = 148.0
+offset_right = 112.0
+offset_bottom = 179.0
+text = "Change Color
+"
+script = ExtResource("5_nm8dh")
+_variableResource = ExtResource("2_bj4kf")
 
 [node name="LabelTextEventButton" type="Button" parent="Control"]
 layout_mode = 0
@@ -32,32 +42,26 @@ offset_bottom = 179.0
 text = "Show Event Text
 "
 script = ExtResource("3_bj4kf")
-_eventResources = Array[Object]([ExtResource("4_5dsed")])
+_eventResources = Array[Object]([ExtResource("5_4h3ry")])
-
-[node name="ChangeColorButton" type="Button" parent="Control"]
-layout_mode = 0
-offset_top = 148.0
-offset_right = 112.0
-offset_bottom = 179.0
-text = "Change Color
-"
-script = ExtResource("5_nm8dh")
-_eventResource = ExtResource("2_4h3ry")
 
 [node name="TestLabel" type="Label" parent="Control"]
+visible = false
 layout_mode = 0
 offset_left = 237.0
 offset_top = 54.0
 offset_right = 277.0
 offset_bottom = 77.0
+text = "[Dieser Text erscheint,
+wenn das Event richtig
+verknüpft ist]"
 script = ExtResource("1_w5ykc")
-_eventResources = Array[Object]([ExtResource("4_5dsed")])
+_eventResources = Array[Object]([ExtResource("5_4h3ry")])
 
 [node name="Camera2D" type="Camera2D" parent="."]
 position = Vector2(239, 110)
 zoom = Vector2(3.4, 3.4)
 
 [connection signal="NewEventPayload" from="Control/ColorRect" to="Control/ColorRect" method="set_color"]
-[connection signal="pressed" from="Control/LabelTextEventButton" to="Control/LabelTextEventButton" method="RaiseEvents"]
 [connection signal="pressed" from="Control/ChangeColorButton" to="Control/ChangeColorButton" method="RandomizeEventResource"]
-[connection signal="EventRaisedWithPayload" from="Control/TestLabel" to="Control/TestLabel" method="set_text"]
+[connection signal="pressed" from="Control/LabelTextEventButton" to="Control/LabelTextEventButton" method="RaiseEvents"]
+[connection signal="EventRaised" from="Control/TestLabel" to="Control/TestLabel" method="show"]

scripts/CSharp/Low Code/Events/EventListener.cs

@@ -23,27 +23,6 @@ public partial class EventListener : Node
     /// </summary>
     [Signal] public delegate void EventRaisedEventHandler();
     
-    /// <summary>
-    /// The signal that is triggered when this listener is called by one of the <see cref="EventListener._eventResources"/>.
-    /// </summary>
-    [Signal] public delegate void EventRaisedWithPayloadEventHandler(Variant payload);
-    
-    /// <summary>
-    /// A signal that is triggered when the payload of one of the <see cref="EventListener._eventResources"/> changed.
-    /// </summary>
-    [Signal] public delegate void PayloadChangedEventHandler(Variant payload, Variant oldPayload);
-    
-    /// <summary>
-    /// A signal that is triggered when the payload of one of the <see cref="EventListener._eventResources"/> changed.
-    /// </summary>
-    [Signal] public delegate void NewEventPayloadEventHandler(Variant payload);
-    
-    /// <summary>
-    /// A signal that is triggered when the payload of one of the <see cref="EventListener._eventResources"/> changed.
-    /// </summary>
-    [Signal] public delegate void OldEventPayloadEventHandler(Variant oldPayload);
-
-
     /// <summary>
     /// Subscribes to all <see cref="EventResource"/>s present in the <see cref="_eventResources"/> array.
     /// <inheritdoc cref="Node._EnterTree"/>
@@ -72,24 +51,12 @@ public partial class EventListener : Node
     /// Called by a <see cref="EventResource"/>s from the <see cref="_eventResources"/> array.
     /// Propagates the event by emitting <see cref="EventRaised"/> signal.
     /// </summary>
-    public void EventInvoked(Variant payload)
+    public void EventInvoked()
     {
         if(_showLog)
             GD.Print("Event Raised on: " + Name);
         EmitSignal(SignalName.EventRaised);
-        EmitSignal(SignalName.EventRaisedWithPayload, payload);
     }
     
-    /// <summary>
+
-    /// Called by a <see cref="EventResource"/>s from the <see cref="_eventResources"/> array.
-    /// Propagates the event by emitting <see cref="EventRaised"/> signal.
-    /// </summary>
-    public void EventPayloadChanged(Variant payload, Variant oldPayload)
-    {
-        if(_showLog)
-            GD.Print($"Calling Event Payload Changed Signals on: " + Name);
-        EmitSignal(SignalName.PayloadChanged, payload, oldPayload);
-        EmitSignal(SignalName.NewEventPayload, payload);
-        EmitSignal(SignalName.OldEventPayload, oldPayload);
-    }
 }

scripts/CSharp/Low Code/Events/EventResource.cs

@@ -14,24 +14,6 @@ public partial class EventResource : Resource
     /// Log into console when this event resource is adding or removing listeners, and when it's raised.
     /// </summary>
     [Export] private bool _showLog;
-
-    [Export]
-    public Variant Payload
-    {
-        get { return _payload; }
-        set
-        {
-            if (!_payload.Equals(value))
-            {
-                _lastPayload = _payload;
-                _payload = value;
-                ValueChangeHandler();
-            }
-        }
-    }
-
-    private Variant _payload;
-    private Variant _lastPayload;
     
     /// <summary>
     /// Raise-Button Call with Editor Export for easier debugging.
@@ -74,22 +56,10 @@ public partial class EventResource : Resource
         
         foreach (var eventListener in _eventListeners)
         {
-            eventListener.EventInvoked(_payload);
+            eventListener.EventInvoked();
         }
     }
 
-    /// <summary>
+   
-    /// Called when the Payload value changed.
-    /// </summary>
-    public void ValueChangeHandler()
-    {
-        if(_showLog)
-            GD.Print($"Event payload changed from {_lastPayload} to {_payload} on event resource: " + ResourcePath.GetFile().TrimSuffix(".tres"));
-        
-        foreach (var eventListener in _eventListeners)
-        {
-            eventListener.EventPayloadChanged(_payload, _lastPayload);
-        }
-    }
     
 }

scripts/CSharp/Low Code/Randomizer/VariantRandomizer.cs

@@ -1,5 +1,6 @@
 using System;
 using Babushka.scripts.CSharp.Low_Code.Events;
+using Babushka.scripts.CSharp.Low_Code.Variables;
 using Godot;
 
 
@@ -13,23 +14,23 @@ public partial class VariantRandomizer : Node
     /// <summary>
     /// The event resource to work on.
     /// </summary>
-    [Export] public EventResource _eventResource;
+    [Export] public VariableResource _variableResource;
 
     /// <summary>
     /// Sets the payload of a randomizable event resource to a random value.
     /// </summary>
     public void RandomizeEventResource()
     {
-        switch (_eventResource.Payload.VariantType)
+        switch (_variableResource.Payload.VariantType)
         {
             case Variant.Type.Color:
-                _eventResource.Payload= GetRandomColor();
+                _variableResource.Payload= GetRandomColor();
                 break;
             case Variant.Type.Int:
-                _eventResource.Payload= GetRandomInt();
+                _variableResource.Payload= GetRandomInt();
                 break;
             case Variant.Type.Float:
-                _eventResource.Payload= GetRandomFloat();
+                _variableResource.Payload= GetRandomFloat();
                 break;
         }
     }

scripts/CSharp/Low Code/Variables/VariableListener.cs

@@ -0,0 +1,69 @@
+using Godot;
+using Godot.Collections;
+
+namespace Babushka.scripts.CSharp.Low_Code.Variables;
+
+public partial class VariableListener : Node
+{
+    /// <summary>
+    /// The event resource to listen to.
+    /// </summary>
+    [Export] private Array<VariableResource> _variableResources;
+    
+    /// <summary>
+    /// Log to console when this event is being raised.
+    /// </summary>
+    [Export] private bool _showLog;
+    
+    /// <summary>
+    /// A signal that is triggered when the payload of one of the <see cref="EventListener._eventResources"/> changed.
+    /// </summary>
+    [Signal] public delegate void PayloadChangedEventHandler(Variant payload, Variant oldPayload);
+    
+    /// <summary>
+    /// A signal that is triggered when the payload of one of the <see cref="EventListener._eventResources"/> changed.
+    /// </summary>
+    [Signal] public delegate void NewEventPayloadEventHandler(Variant payload);
+    
+    /// <summary>
+    /// A signal that is triggered when the payload of one of the <see cref="EventListener._eventResources"/> changed.
+    /// </summary>
+    [Signal] public delegate void OldEventPayloadEventHandler(Variant oldPayload);
+    
+    /// <summary>
+    /// Subscribes to all <see cref="EventResource"/>s present in the <see cref="_eventResources"/> array.
+    /// <inheritdoc cref="Node._EnterTree"/>
+    /// </summary>
+    public override void _EnterTree()
+    {
+        foreach (var resource in _variableResources)
+        {
+            resource.RegisterListener(this);
+        }
+    }
+
+    /// <summary>
+    /// Unsubscribes from all  <see cref="EventResource"/>s present in the <see cref="_eventResources"/> array.
+    /// <inheritdoc cref="Node._ExitTree"/>
+    /// </summary>
+    public override void _ExitTree()
+    {
+        foreach (var variableResource in _variableResources)
+        {
+            variableResource.UnregisterListener(this);
+        }
+    }
+    
+    /// <summary>
+    /// Called by a <see cref="EventResource"/>s from the <see cref="_eventResources"/> array.
+    /// Propagates the event by emitting <see cref="EventRaised"/> signal.
+    /// </summary>
+    public void EventPayloadChanged(Variant payload, Variant oldPayload)
+    {
+        if(_showLog)
+            GD.Print($"Calling Event Payload Changed Signals on: " + Name);
+        EmitSignal(SignalName.PayloadChanged, payload, oldPayload);
+        EmitSignal(SignalName.NewEventPayload, payload);
+        EmitSignal(SignalName.OldEventPayload, oldPayload);
+    }
+}

scripts/CSharp/Low Code/Variables/VariableListener.cs.uid

@@ -0,0 +1 @@
+uid://pqemey80frcq

scripts/CSharp/Low Code/Variables/VariableResource.cs

@@ -0,0 +1,69 @@
+using System.Collections.Generic;
+using Godot;
+
+namespace Babushka.scripts.CSharp.Low_Code.Variables;
+
+[GlobalClass]
+public partial class VariableResource : Resource
+{
+    /// <summary>
+    /// Log into console when this event resource is adding or removing listeners, and when it's raised.
+    /// </summary>
+    [Export] private bool _showLog;
+    
+    [Export]
+    public Variant Payload
+    {
+        get { return _payload; }
+        set
+        {
+            if (!_payload.Equals(value))
+            {
+                _lastPayload = _payload;
+                _payload = value;
+                ValueChangeHandler();
+            }
+        }
+    }
+    
+    private Variant _payload;
+    private Variant _lastPayload;
+    
+    private List<VariableListener> _varListeners = new ();
+    
+    /// <summary>
+    /// Adds an EventListener to the calling list for this event.
+    /// </summary>
+    /// <param name="listener"></param>
+    public void RegisterListener(VariableListener listener)
+    {
+        if(_showLog)
+            GD.Print("Registering listener " + listener);
+        _varListeners.Add(listener);
+    }
+
+    /// <summary>
+    /// Removes an Eventlistener from the calling list for this event.
+    /// </summary>
+    /// <param name="listener"></param>
+    public void UnregisterListener(VariableListener listener)
+    {
+        if(_showLog)
+            GD.Print("Unregistering listener " + listener);
+        _varListeners.Remove(listener);
+    }
+    
+    /// <summary>
+    /// Called when the Payload value changed.
+    /// </summary>
+    public void ValueChangeHandler()
+    {
+        if(_showLog)
+            GD.Print($"Event payload changed from {_lastPayload} to {_payload} on event resource: " + ResourcePath.GetFile().TrimSuffix(".tres"));
+        
+        foreach (var eventListener in _varListeners)
+        {
+            eventListener.EventPayloadChanged(_payload, _lastPayload);
+        }
+    }
+}

scripts/CSharp/Low Code/Variables/VariableResource.cs.uid

@@ -0,0 +1 @@
+uid://dtvx2cakx0bey