add a custom godot node

Godottest/deckbuilder.gdextension

@@ -0,0 +1,14 @@
+[configuration]
+entry_symbol = "gdext_rust_init"
+compatibility_minimum = 4.3
+reloadable = true
+
+[libraries]
+linux.debug.x86_64 =     "res://../deckbuilder/target/debug/libdeckbuilder.so"
+linux.release.x86_64 =   "res://../deckbuilder/target/release/libdeckbuilder.so"
+windows.debug.x86_64 =   "res://../deckbuilder/target/debug/deckbuilder.dll"
+windows.release.x86_64 = "res://../deckbuilder/target/release/deckbuilder.dll"
+macos.debug =            "res://../deckbuilder/target/debug/libdeckbuilder.dylib"
+macos.release =          "res://../deckbuilder/target/release/libdeckbuilder.dylib"
+macos.debug.arm64 =      "res://../deckbuilder/target/debug/libdeckbuilder.dylib"
+macos.release.arm64 =    "res://../deckbuilder/target/release/libdeckbuilder.dylib"

Godottest/project.godot

@@ -12,7 +12,7 @@ config_version=5
 
 config/name="videoproject"
 run/main_scene="res://res/node_2d.tscn"
-config/features=PackedStringArray("4.3", "Forward Plus")
+config/features=PackedStringArray("4.4", "Forward Plus")
 boot_splash/bg_color=Color(0, 0, 0, 1)
 boot_splash/show_image=false
 

deckbuilder/src/lib.rs

@@ -1,3 +1,37 @@
+use godot::prelude::*;
+
+// #![allow(unused)]
+fn main() {
+    struct MyExtension;
+
+    #[gdextension]
+    unsafe impl ExtensionLibrary for MyExtension {}
+}
+
+use godot::classes::{INode, Node};
+
+#[derive(GodotClass)]
+#[class(base=Node)]
+struct MyPlayer {
+    speed: f64,
+    angular_speed: f64,
+
+    base: Base<Node>,
+}
+
+#[godot_api]
+impl INode for MyPlayer {
+    fn init(base: Base<Node>) -> Self {
+        godot_print!("Hello, worldd!"); // Prints to the Godot console
+
+        Self {
+            speed: 400.0,
+            angular_speed: std::f64::consts::PI,
+            base,
+        }
+    }
+}
+
 pub mod tutorial;
 
 mod logger;