feat: initialized template and wrote first gameplay code

modules/wave_survival/weapon_base.h

@@ -0,0 +1,27 @@
+#ifndef WEAPON_BASE_H
+#define WEAPON_BASE_H
+
+#include "scene/3d/node_3d.h"
+class AnimationPlayer;
+class PlayerCamera;
+
+class WeaponBase : public Node3D {
+	GDCLASS(WeaponBase, Node3D);
+	static void _bind_methods();
+	void ready();
+
+protected:
+	void _notification(int what);
+
+public:
+	void set_anim(AnimationPlayer *player);
+	AnimationPlayer *get_anim() const;
+
+	PlayerCamera *get_camera() const;
+
+private:
+	AnimationPlayer *anim{ nullptr };
+	PlayerCamera *camera{ nullptr };
+};
+
+#endif // !WEAPON_BASE_H