WaypointMovementGenerator.h

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/*
* This file is part of Project SkyFire https://www.projectskyfire.org.
* See LICENSE.md file for Copyright information
*/
 
#ifndef SKYFIRE_WAYPOINTMOVEMENTGENERATOR_H
#define SKYFIRE_WAYPOINTMOVEMENTGENERATOR_H

 
#include "MovementGenerator.h"
#include "Path.h"
#include "WaypointManager.h"
 
#include "Player.h"
 
#include <set>
#include <vector>
 
#define FLIGHT_TRAVEL_UPDATE  100
#define STOP_TIME_FOR_PLAYER  3 * MINUTE * IN_MILLISECONDS           // 3 Minutes
#define TIMEDIFF_NEXT_WP      250
 
template<class T, class P>
class PathMovementBase
{
public:
    PathMovementBase() : i_path(NULL), i_currentNode(0) { }
    virtual ~PathMovementBase() { };
 
    // template pattern, not defined .. override required
    void LoadPath(T&);
    uint32 GetCurrentNode() const { return i_currentNode; }
 
protected:
    P i_path;
    uint32 i_currentNode;
};
 
template<class T>
class WaypointMovementGenerator;
 
template<>
class WaypointMovementGenerator<Creature> : public MovementGeneratorMedium< Creature, WaypointMovementGenerator<Creature> >,
    public PathMovementBase<Creature, WaypointPath const*>
{
public:
    WaypointMovementGenerator(uint32 _path_id = 0, bool _repeating = true)
        : i_nextMoveTime(0), m_isArrivalDone(false), path_id(_path_id), repeating(_repeating) { }
    ~WaypointMovementGenerator() { i_path = NULL; }
    void DoInitialize(Creature*);
    void DoFinalize(Creature*);
    void DoReset(Creature*);
    bool DoUpdate(Creature*, uint32 diff);
 
    void MovementInform(Creature*);
 
    MovementGeneratorType GetMovementGeneratorType() { return WAYPOINT_MOTION_TYPE; }
 
    // now path movement implmementation
    void LoadPath(Creature*);
 
    bool GetResetPos(Creature*, float& x, float& y, float& z);
 
private:
    void Stop(int32 time) { i_nextMoveTime.Reset(time); }
 
    bool Stopped() { return !i_nextMoveTime.Passed(); }
 
    bool CanMove(int32 diff)
    {
        i_nextMoveTime.Update(diff);
        return i_nextMoveTime.Passed();
    }
 
    void OnArrived(Creature*);
    bool StartMove(Creature*);
 
    void StartMoveNow(Creature* creature)
    {
        i_nextMoveTime.Reset(0);
        StartMove(creature);
    }
 
    TimeTrackerSmall i_nextMoveTime;
    bool m_isArrivalDone;
    uint32 path_id;
    bool repeating;
};

class FlightPathMovementGenerator : public MovementGeneratorMedium< Player, FlightPathMovementGenerator >,
    public PathMovementBase<Player, TaxiPathNodeList const*>
{
public:
    explicit FlightPathMovementGenerator(TaxiPathNodeList const& pathnodes, uint32 startNode = 0) :
        _endGridX(0.0f), _endGridY(0.0f), _endMapId(0), _preloadTargetNode(0)
    {
        i_path = &pathnodes;
        i_currentNode = startNode;
    }
    void DoInitialize(Player*);
    void DoReset(Player*);
    void DoFinalize(Player*);
    bool DoUpdate(Player*, uint32);
    MovementGeneratorType GetMovementGeneratorType() { return FLIGHT_MOTION_TYPE; }
 
    TaxiPathNodeList const& GetPath() { return *i_path; }
    uint32 GetPathAtMapEnd() const;
    bool HasArrived() const { return (i_currentNode >= i_path->size()); }
    void SetCurrentNodeAfterTeleport();
    void SkipCurrentNode() { ++i_currentNode; }
    void DoEventIfAny(Player* player, TaxiPathNodeEntry const& node, bool departure);
 
    bool GetResetPos(Player*, float& x, float& y, float& z);
 
    void InitEndGridInfo();
    void PreloadEndGrid();
 
private:
    float _endGridX;                
    float _endGridY;                
    uint32 _endMapId;               
    uint32 _preloadTargetNode;      
};
#endif