#ifndef CAROBJECT_H
#define CAROBJECT_H

#include <string>
#include <set>

#include <ode/ode.h>
#include <plib/ssg.h>

#include "worldobject.h"


class CarObject : public WorldObject
{
  public:
    CarObject(ssgEntity *bodymodel, ssgEntity *wheelmodel, ssgEntity *licplatemodel, dWorldID world, dSpaceID bigspace, sgVec3 initialpos);
    virtual ~CarObject();
    void Recover(float dt);
    void Simulate(float dt);
    void Sustain(float dt);
    void SetAccelerator(float v) { accelerator=v; }
    void SetSteer(float v) { steer = v; }
    void SetBrake(float v) { brake = v; }
    void SetEBrake(bool b) { ebrake = b; }
    float GetAccelerator(void) { return accelerator; }
    float GetBrake(void) { return brake; }
    void SetAction(bool a) { action = a; }
    bool GetAction(void) { return action; }
    ssgTransform *GetTransform(void) { return chassis_trf; }
    void GetPos(sgVec3 dst) const { sgMat4 m; chassis_trf->getTransform(m); sgCopyVec3(dst, m[3]); }
    float GetWheelVelocity(void);
    bool IsBackWheelGeometry(dGeomID id) { return id==wheel_geoms[2] || id==wheel_geoms[3]; }
    void SetGroundBody(dBodyID id) { ground_body = id; }
    bool IsStationary(void) const;
  protected:
    ssgTransform *chassis_trf;
    ssgTransform *sink_trf; // for lowering center of mass
    ssgTransform *wheel_trfs[4];
    dSpaceID space;
    dBodyID  chassis_body;
    dBodyID  wheel_bodies[4];
    dGeomID  chassis_geom;
    dGeomID  transform_geom;
    dGeomID  wheel_geoms[4];
    dJointID joint[4]; // joint[0..1] are the front wheels
    float accelerator;
    float brake;
    float steer;
    float downtime;
    float stationarytime;
    bool  action;
    bool  reversegear;
    bool  ebrake;
    dBodyID ground_body;
};

#endif