/*************************************************************************/
/*  input_map.h                                                          */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
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/*************************************************************************/

#ifndef INPUT_MAP_H
#define INPUT_MAP_H

#include "object.h"
#include "os/input_event.h"

class InputMap : public Object {

	GDCLASS(InputMap, Object);

public:
	struct Action {
		int id;
		List<Ref<InputEvent> > inputs;
	};

private:
	static InputMap *singleton;

	mutable Map<StringName, Action> input_map;

	List<Ref<InputEvent> >::Element *_find_event(List<Ref<InputEvent> > &p_list, const Ref<InputEvent> &p_event, bool p_action_test = false) const;

	Array _get_action_list(const StringName &p_action);
	Array _get_actions();

protected:
	static void _bind_methods();

public:
	static _FORCE_INLINE_ InputMap *get_singleton() { return singleton; }

	bool has_action(const StringName &p_action) const;
	List<StringName> get_actions() const;
	void add_action(const StringName &p_action);
	void erase_action(const StringName &p_action);

	void action_add_event(const StringName &p_action, const Ref<InputEvent> &p_event);
	bool action_has_event(const StringName &p_action, const Ref<InputEvent> &p_event);
	void action_erase_event(const StringName &p_action, const Ref<InputEvent> &p_event);

	const List<Ref<InputEvent> > *get_action_list(const StringName &p_action);
	bool event_is_action(const Ref<InputEvent> &p_event, const StringName &p_action) const;

	const Map<StringName, Action> &get_action_map() const;
	void load_from_globals();
	void load_default();

	InputMap();
};

#endif // INPUT_MAP_H