src/game/MotionMaster.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_MOTIONMASTER_H
  20 #define MANGOS_MOTIONMASTER_H
  21
  22 #include "Common.h"
  23 #include <stack>
  24
  25 class MovementGenerator;
  26 class Unit;
  27
  28 // Creature Entry ID used for waypoints show, visible only for GMs
  29 #define VISUAL_WAYPOINT 1
  30
  31 // values 0 ... MAX_DB_MOTION_TYPE-1 used in DB
  32 enum MovementGeneratorType
  33 {
  34     IDLE_MOTION_TYPE      = 0,                              // IdleMovementGenerator.h
  35     RANDOM_MOTION_TYPE    = 1,                              // RandomMovementGenerator.h
  36     WAYPOINT_MOTION_TYPE  = 2,                              // WaypointMovementGenerator.h
  37     MAX_DB_MOTION_TYPE    = 3,                              // *** this and below motion types can't be set in DB.
  38     ANIMAL_RANDOM_MOTION_TYPE = MAX_DB_MOTION_TYPE,         // AnimalRandomMovementGenerator.h
  39     CONFUSED_MOTION_TYPE  = 4,                              // ConfusedMovementGenerator.h
  40     TARGETED_MOTION_TYPE  = 5,                              // TargetedMovementGenerator.h
  41     HOME_MOTION_TYPE      = 6,                              // HomeMovementGenerator.h
  42     FLIGHT_MOTION_TYPE    = 7,                              // WaypointMovementGenerator.h
  43     POINT_MOTION_TYPE     = 8,                              // PointMovementGenerator.h
  44     FLEEING_MOTION_TYPE   = 9,                              // FleeingMovementGenerator.h
  45     DISTRACT_MOTION_TYPE  = 10,                             // IdleMovementGenerator.h
  46 };
  47
  48 class MANGOS_DLL_SPEC MotionMaster : private std::stack<MovementGenerator *>
  49 {
  50     private:
  51         typedef std::stack<MovementGenerator *> Impl;
  52     public:
  53
  54         explicit MotionMaster(Unit *unit) : i_owner(unit) {}
  55         ~MotionMaster();
  56
  57         void Initialize();
  58
  59         MovementGenerator* operator->(void) { return top(); }
  60
  61         using Impl::top;
  62         using Impl::empty;
  63
  64         typedef Impl::container_type::const_iterator const_iterator;
  65         const_iterator begin() const { return Impl::c.begin(); }
  66         const_iterator end() const { return Impl::c.end(); }
  67
  68         void UpdateMotion(const uint32 &diff);
  69         void Clear(bool reset = true);
  70         void MovementExpired(bool reset = true);
  71
  72         void MoveIdle();
  73         void MoveTargetedHome();
  74         void MoveFollow(Unit* target, float dist, float angle);
  75         void MoveChase(Unit* target, float dist = 0.0f, float angle = 0.0f);
  76         void MoveConfused();
  77         void MoveFleeing(Unit* enemy);
  78         void MovePoint(uint32 id, float x,float y,float z);
  79         void MoveTaxiFlight(uint32 path, uint32 pathnode);
  80         void MoveDistract(uint32 time);
  81
  82         MovementGeneratorType GetCurrentMovementGeneratorType() const;
  83
  84         void propagateSpeedChange();
  85
  86         bool GetDestination(float &x, float &y, float &z);
  87     private:
  88         void Mutate(MovementGenerator *m);                  // use Move* functions instead
  89
  90         Unit *i_owner;
  91 };
  92 #endif