// Copyright (c) Hercules Dev Team, licensed under GNU GPL.
// See the LICENSE file
// Portions Copyright (c) Athena Dev Teams

#ifndef MAP_TRADE_H
#define MAP_TRADE_H

//Max distance from traders to enable a trade to take place.
//TODO: battle_config candidate?
#define TRADE_DISTANCE 2

struct map_session_data;

struct trade_interface {
	void (*request) (struct map_session_data *sd, struct map_session_data *target_sd);
	void (*ack) (struct map_session_data *sd,int type);
	int (*check_impossible) (struct map_session_data *sd);
	int (*check) (struct map_session_data *sd, struct map_session_data *tsd);
	void (*additem) (struct map_session_data *sd,short index,short amount);
	void (*addzeny) (struct map_session_data *sd,int amount);
	void (*ok) (struct map_session_data *sd);
	void (*cancel) (struct map_session_data *sd);
	void (*commit) (struct map_session_data *sd);
};

struct trade_interface *trade;

#ifdef HERCULES_CORE
void trade_defaults(void);
#endif // HERCULES_CORE

#endif /* MAP_TRADE_H */