src/game/Traveller.h

   1 /*
   2  * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #ifndef MANGOS_TRAVELLER_H
  20 #define MANGOS_TRAVELLER_H
  21
  22 #include "MapManager.h"
  23 #include "Creature.h"
  24 #include "Player.h"
  25 #include <cassert>
  26
  27 /** Traveller is a wrapper for units (creatures or players) that
  28  * travel from point A to point B using the destination holder.
  29  */
  30 #define PLAYER_FLIGHT_SPEED        32.0f
  31
  32 template<class T>
  33 struct MANGOS_DLL_DECL Traveller
  34 {
  35     T &i_traveller;
  36     Traveller(T &t) : i_traveller(t) {}
  37     Traveller(const Traveller &obj) : i_traveller(obj) {}
  38     Traveller& operator=(const Traveller &obj)
  39     {
  40         ~Traveller();
  41         new (this) Traveller(obj);
  42         return *this;
  43     }
  44
  45     operator T&(void) { return i_traveller; }
  46     operator const T&(void) { return i_traveller; }
  47     inline float GetPositionX() const { return i_traveller.GetPositionX(); }
  48     inline float GetPositionY() const { return i_traveller.GetPositionY(); }
  49     inline float GetPositionZ() const { return i_traveller.GetPositionZ(); }
  50     inline T& GetTraveller(void) { return i_traveller; }
  51
  52     float Speed(void) { assert(false); return 0.0f; }
  53     void Relocation(float x, float y, float z, float orientation) {}
  54     void Relocation(float x, float y, float z) { Relocation(x, y, z, i_traveller.GetOrientation()); }
  55     void MoveTo(float x, float y, float z, uint32 t) {}
  56 };
  57
  58 // specialization for creatures
  59 template<>
  60 inline float Traveller<Creature>::Speed()
  61 {
  62     if(i_traveller.HasUnitMovementFlag(MOVEMENTFLAG_WALK_MODE))
  63         return i_traveller.GetSpeed(MOVE_WALK);
  64     else if(i_traveller.HasUnitMovementFlag(MOVEMENTFLAG_FLYING2))
  65         return i_traveller.GetSpeed(MOVE_FLIGHT);
  66     else
  67         return i_traveller.GetSpeed(MOVE_RUN);
  68 }
  69
  70 template<>
  71 inline void Traveller<Creature>::Relocation(float x, float y, float z, float orientation)
  72 {
  73     i_traveller.GetMap()->CreatureRelocation(&i_traveller, x, y, z, orientation);
  74 }
  75
  76 template<>
  77 inline void Traveller<Creature>::MoveTo(float x, float y, float z, uint32 t)
  78 {
  79     i_traveller.AI_SendMoveToPacket(x, y, z, t, i_traveller.GetUnitMovementFlags(), 0);
  80 }
  81
  82 // specialization for players
  83 template<>
  84 inline float Traveller<Player>::Speed()
  85 {
  86     if (i_traveller.isInFlight())
  87         return PLAYER_FLIGHT_SPEED;
  88     else
  89         return i_traveller.GetSpeed(i_traveller.HasUnitMovementFlag(MOVEMENTFLAG_WALK_MODE) ? MOVE_WALK : MOVE_RUN);
  90 }
  91
  92 template<>
  93 inline void Traveller<Player>::Relocation(float x, float y, float z, float orientation)
  94 {
  95     i_traveller.GetMap()->PlayerRelocation(&i_traveller, x, y, z, orientation);
  96 }
  97
  98 template<>
  99 inline void Traveller<Player>::MoveTo(float x, float y, float z, uint32 t)
 100 {
 101     //Only send MOVEMENTFLAG_WALK_MODE, client has strange issues with other move flags
 102     i_traveller.SendMonsterMove(x, y, z, 0, MOVEMENTFLAG_WALK_MODE, t);
 103 }
 104
 105 typedef Traveller<Creature> CreatureTraveller;
 106 typedef Traveller<Player> PlayerTraveller;
 107 #endif