test node example

project/main.tscn

@@ -1,8 +1,13 @@
-[gd_scene load_steps=2 format=3 uid="uid://be6f0odpenf2d"]
+[gd_scene load_steps=3 format=3 uid="uid://be6f0odpenf2d"]
 
 [ext_resource type="Script" path="res://scripts/main.gd" id="1_c2d3a"]
+[ext_resource type="Script" path="res://scripts/test.gd" id="2_ccrxe"]
 
 [node name="Main" type="Main"]
 script = ExtResource("1_c2d3a")
 
+[node name="Test" type="Test" parent="."]
+script = ExtResource("2_ccrxe")
+
 [connection signal="custom_signal_example" from="." to="." method="_on_custom_signal_example"]
+[connection signal="custom_signal_example" from="Test" to="Test" method="_on_test_custom_signal_example"]

project/scripts/test.gd

@@ -0,0 +1,4 @@
+extends Test
+
+func _on_test_custom_signal_example(delta_time):
+	print("DeltaTime value sent from C++ to TEST::GDScript: ", delta_time)

src/api/extension_interface.cpp

@@ -17,6 +17,7 @@
 #include "entity/projectile/projectile_spawner.hpp"
 #include "main.hpp"
 #include "singletons/console.hpp"
+#include "test.hpp"
 #include "ui/main_dialog.hpp"
 #include "util/engine.hpp"
 
@@ -53,6 +54,7 @@ namespace rl
         godot::ClassDB::register_class<rl::Enemy>();
         godot::ClassDB::register_class<rl::Player>();
 
+        godot::ClassDB::register_class<rl::Test>();
         godot::ClassDB::register_class<rl::Level>();
         godot::ClassDB::register_class<rl::MainDialog>();
         godot::ClassDB::register_class<rl::Main>();

src/test.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <godot_cpp/classes/node.hpp>
+
+#include "util/engine.hpp"
+
+namespace rl
+{
+    class Test : public godot::Node
+    {
+        GDCLASS(Test, godot::Node);
+
+    public:
+        Test() = default;
+
+        void _physics_process(double delta) override
+        {
+            if (engine::editor_active())
+                return;
+
+            m_signal_timer += delta;
+            if (m_signal_timer > 1.0)
+            {
+                this->emit_signal(event::signal_example, delta);
+                m_signal_timer -= 1.0;
+            }
+        }
+
+    protected:
+        static void _bind_methods()
+        {
+            signal_binding<Test, event::signal_example>::add<double>();
+        }
+
+    private:
+        double m_signal_timer{ 0.0 };
+    };
+}