/*
 *   GRacer
 *
 *   Copyright (C) 1999 Takashi Matsuda <matsu@users.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or 
 * modify it under the terms of the GNU General Public License as 
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

#ifndef __GRACER_WORLD_H__
#define __GRACER_WORLD_H__

#include "vehicle.h"

typedef struct GrWorld			GrWorld;
typedef struct GrTrigger		GrTrigger;

typedef enum {
  GR_TRIGGER_LAP	= 1 << 8,
  GR_TRIGGER_SPEED_LT	= 1 << 9,
  GR_TRIGGER_SPEED_GT	= 1 << 10,
  GR_TRIGGER_RPM_LT	= 1 << 11,
  GR_TRIGGER_RPM_GT	= 1 << 12,
  GR_TRIGGER_VEHICLE	= 1 << 13,
  GR_TRIGGER_CLINE	= 1 << 14,
  GR_TRIGGER_LAP_PLUS	= 1 << 15,
} GrTriggerCondition;

typedef void (* GrTriggerFunc)	(GrWorld *world,
    				 GrVehicle *vehicle,
    				 GrTrigger *trigger);

struct GrTrigger {
  GrRef ref;

  GrVehicle *vehicle;
  GrTriggerFunc callback;

  GrTriggerCondition condition;
  int cline;
  int lap;
  double speed_lt, speed_gt;
  double rpm_lt, rpm_gt;
};

struct GrWorld {
  GrRef ref;

  GrCourse *course_data;
  GrSList *vehicles;
  GrSList *triggers;

  double minimam_interval;

  double current_time;
  double previous_time;
};

GrWorld*	gr_world_new		(void);

void		gr_world_set_course	(GrWorld *world, GrCourse *course);
void		gr_world_add_vehicle	(GrWorld *world, GrVehicle *vehicle);
void		gr_world_remove_vehicle	(GrWorld *world, GrVehicle *vehicle);

void		gr_world_add_trigger	(GrWorld *world, GrTrigger *trigger);
void		gr_world_remove_trigger	(GrWorld *world, GrTrigger *trigger);
void		gr_world_remove_triggers_of_vehicle
					(GrWorld *world, GrVehicle *vehicle);
void		gr_world_remove_triggers (GrWorld *world);

void		gr_world_do_simulate	(GrWorld *world, double interval);

#endif /* __GRACER_WORLD_H__ */