feat: added interactions, demo packs and destructables

modules/wave_survival/player_interactor.h

@@ -0,0 +1,30 @@
+#ifndef PLAYER_INTERACTOR_H
+#define PLAYER_INTERACTOR_H
+
+#include "scene/3d/physics/shape_cast_3d.h"
+class Interactable;
+
+class PlayerInteractor : public ShapeCast3D {
+	GDCLASS(PlayerInteractor, ShapeCast3D);
+	static void _bind_methods();
+	void highlight_removed();
+	void activate();
+	void ready();
+	void process(double delta);
+
+protected:
+	void _notification(int what);
+
+public:
+	virtual PackedStringArray get_configuration_warnings() const override;
+	void pickup_demo_pack();
+	bool try_use_demo_pack();
+
+private:
+	int num_demo_packs{ 0 };
+	Interactable *interactable{ nullptr };
+	Callable on_highlight_removed{ callable_mp(this, &self_type::highlight_removed) };
+	static String activate_method_name;
+};
+
+#endif // !PLAYER_INTERACTOR_H