feat: projectile can now return itself

src/projectile.cpp

@@ -1,4 +1,16 @@
 #include "projectile.hpp"
+#include "projectile_pool.hpp"
 #include <godot_cpp/classes/node3d.hpp>
 
-namespace godot {}
+namespace godot {
+void IProjectile::return_to_pool() {
+    if(!this->pool)
+        return;
+    Node3D *node = dynamic_cast<Node3D*>(this);
+    if(node)
+        this->pool->return_projectile(node);
+}
+void IProjectile::set_projectile_pool(ProjectilePool *pool) {
+    this->pool = pool;
+}
+}

src/projectile.hpp

@@ -10,6 +10,7 @@ class IProjectile {
 public:
     virtual void set_weapon_data(Ref<WeaponData> data) = 0;
     void return_to_pool();
+    void set_projectile_pool(ProjectilePool *pool);
 private:
     ProjectilePool *pool{nullptr};
 };