IntersectionEngine.h

//
// IntersectionEngine.h
//
// Copyright (c) 2001-2009 Virtual Terrain Project
// Free for all uses, see license.txt for details.
//

#ifndef INTERSECTIONENGINE
#define INTERSECTIONENGINE

#include "Roads.h"
#include "Engine.h"


//traffic light times
#define LT_SWITCH_TIME 10
#define LT_SWITCH_TIME2 1  //for yellow lights.

class vtIntersectionEngine : public vtEngine
{
public:
    //builds the intersection engine.  links it to the node.
    vtIntersectionEngine(NodeGeom *node);
    ~vtIntersectionEngine();
    void Eval();

protected:
    NodeGeom *m_pNode;
    LightStatus *m_Lights;  //an array of light states

    int m_iCurState;
    int m_iTotalStates;

    float m_fNextChange;
    bool m_bFirstTime;
};
  // transp

#endif  // INTERSECTIONENGINE