src/game/Traveller.h

   1 /*
   2  * Copyright (C) 2005-2008 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         this->~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     return i_traveller.GetSpeed( i_traveller.HasUnitMovementFlag(MOVEMENTFLAG_WALK_MODE) ? MOVE_WALK : MOVE_RUN);
  63 }
  64
  65 template<>
  66 inline void Traveller<Creature>::Relocation(float x, float y, float z, float orientation)
  67 {
  68     MapManager::Instance().GetMap(i_traveller.GetMapId(), &i_traveller)->CreatureRelocation(&i_traveller, x, y, z, orientation);
  69 }
  70
  71 template<>
  72 inline void Traveller<Creature>::MoveTo(float x, float y, float z, uint32 t)
  73 {
  74     i_traveller.AI_SendMoveToPacket(x, y, z, t, i_traveller.GetUnitMovementFlags(), 0);
  75 }
  76
  77 // specialization for players
  78 template<>
  79 inline float Traveller<Player>::Speed()
  80 {
  81     if (i_traveller.isInFlight())
  82         return PLAYER_FLIGHT_SPEED;
  83     else
  84         return i_traveller.GetSpeed(i_traveller.HasUnitMovementFlag(MOVEMENTFLAG_WALK_MODE) ? MOVE_WALK : MOVE_RUN);
  85 }
  86
  87 template<>
  88 inline void Traveller<Player>::Relocation(float x, float y, float z, float orientation)
  89 {
  90     MapManager::Instance().GetMap(i_traveller.GetMapId(), &i_traveller)->PlayerRelocation(&i_traveller, x, y, z, orientation);
  91 }
  92
  93 template<>
  94 inline void Traveller<Player>::MoveTo(float x, float y, float z, uint32 t)
  95 {
  96     //Only send MOVEMENTFLAG_WALK_MODE, client has strange issues with other move flags
  97     i_traveller.SendMonsterMove(x, y, z, 0, MOVEMENTFLAG_WALK_MODE, t);
  98 }
  99
 100 typedef Traveller<Creature> CreatureTraveller;
 101 typedef Traveller<Player> PlayerTraveller;
 102 #endif