2 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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.
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.
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
19 #include "MotionMaster.h"
20 #include "CreatureAISelector.h"
22 #include "Traveller.h"
24 #include "ConfusedMovementGenerator.h"
25 #include "FleeingMovementGenerator.h"
26 #include "HomeMovementGenerator.h"
27 #include "IdleMovementGenerator.h"
28 #include "PointMovementGenerator.h"
29 #include "TargetedMovementGenerator.h"
30 #include "WaypointMovementGenerator.h"
34 inline bool isStatic(MovementGenerator
*mv
)
36 return (mv
== &si_idleMovement
);
40 MotionMaster::Initialize()
42 // clear ALL movement generators (including default)
45 MovementGenerator
*curr
= top();
46 curr
->Finalize(*i_owner
);
48 if( !isStatic( curr
) )
52 // set new default movement generator
53 if(i_owner
->GetTypeId() == TYPEID_UNIT
)
55 MovementGenerator
* movement
= FactorySelector::selectMovementGenerator((Creature
*)i_owner
);
56 push( movement
== NULL
? &si_idleMovement
: movement
);
57 top()->Initialize(*i_owner
);
60 push(&si_idleMovement
);
63 MotionMaster::~MotionMaster()
65 // clear ALL movement generators (including default)
68 MovementGenerator
*curr
= top();
69 curr
->Finalize(*i_owner
);
71 if( !isStatic( curr
) )
77 MotionMaster::UpdateMotion(uint32 diff
)
79 if( i_owner
->hasUnitState(UNIT_STAT_ROOT
| UNIT_STAT_STUNNED
) )
82 m_cleanFlag
|= MMCF_UPDATE
;
83 if (!top()->Update(*i_owner
, diff
))
85 m_cleanFlag
&= ~MMCF_UPDATE
;
89 m_cleanFlag
&= ~MMCF_UPDATE
;
93 for (int i
= 0; i
< m_expList
->size(); ++i
)
95 MovementGenerator
* mg
= (*m_expList
)[i
];
106 if (m_cleanFlag
& MMCF_RESET
)
108 top()->Reset(*i_owner
);
109 m_cleanFlag
&= ~MMCF_RESET
;
115 MotionMaster::DirectClean(bool reset
)
117 while( !empty() && size() > 1 )
119 MovementGenerator
*curr
= top();
120 curr
->Finalize(*i_owner
);
122 if( !isStatic( curr
) )
129 top()->Reset(*i_owner
);
134 MotionMaster::DelayedClean()
136 if (empty() || size() == 1)
140 m_expList
= new ExpireList();
142 while( !empty() && size() > 1 )
144 MovementGenerator
*curr
= top();
145 curr
->Finalize(*i_owner
);
147 if( !isStatic( curr
) )
148 m_expList
->push_back(curr
);
153 MotionMaster::DirectExpire(bool reset
)
155 if( empty() || size() == 1 )
158 MovementGenerator
*curr
= top();
159 curr
->Finalize(*i_owner
);
162 if( !isStatic(curr
) )
166 while( !empty() && top()->GetMovementGeneratorType() == TARGETED_MOTION_TYPE
)
168 // Should check if target is still valid? If not valid it will crash.
170 curr
->Finalize(*i_owner
);
176 if (reset
) top()->Reset(*i_owner
);
180 MotionMaster::DelayedExpire()
182 if( empty() || size() == 1 )
185 MovementGenerator
*curr
= top();
186 curr
->Finalize(*i_owner
);
190 m_expList
= new ExpireList();
192 if( !isStatic(curr
) )
193 m_expList
->push_back(curr
);
195 while( !empty() && top()->GetMovementGeneratorType() == TARGETED_MOTION_TYPE
)
197 // Should check if target is still valid? If not valid it will crash.
199 curr
->Finalize(*i_owner
);
201 m_expList
->push_back(curr
);
205 void MotionMaster::MoveIdle()
207 if( empty() || !isStatic( top() ) )
208 push( &si_idleMovement
);
212 MotionMaster::MoveTargetedHome()
214 if(i_owner
->hasUnitState(UNIT_STAT_FLEEING
))
219 if(i_owner
->GetTypeId()==TYPEID_UNIT
&& !((Creature
*)i_owner
)->GetCharmerOrOwnerGUID())
221 DEBUG_LOG("Creature (Entry: %u GUID: %u) targeted home", i_owner
->GetEntry(), i_owner
->GetGUIDLow());
222 Mutate(new HomeMovementGenerator
<Creature
>());
224 else if(i_owner
->GetTypeId()==TYPEID_UNIT
&& ((Creature
*)i_owner
)->GetCharmerOrOwnerGUID())
226 DEBUG_LOG("Pet or controlled creature (Entry: %u GUID: %u) targeting home",
227 i_owner
->GetEntry(), i_owner
->GetGUIDLow() );
228 Unit
*target
= ((Creature
*)i_owner
)->GetCharmerOrOwner();
231 i_owner
->addUnitState(UNIT_STAT_FOLLOW
);
232 DEBUG_LOG("Following %s (GUID: %u)",
233 target
->GetTypeId()==TYPEID_PLAYER
? "player" : "creature",
234 target
->GetTypeId()==TYPEID_PLAYER
? target
->GetGUIDLow() : ((Creature
*)target
)->GetDBTableGUIDLow() );
235 Mutate(new TargetedMovementGenerator
<Creature
>(*target
,PET_FOLLOW_DIST
,PET_FOLLOW_ANGLE
));
240 sLog
.outError("Player (GUID: %u) attempt targeted home", i_owner
->GetGUIDLow() );
245 MotionMaster::MoveConfused()
247 if(i_owner
->GetTypeId()==TYPEID_PLAYER
)
249 DEBUG_LOG("Player (GUID: %u) move confused", i_owner
->GetGUIDLow() );
250 Mutate(new ConfusedMovementGenerator
<Player
>());
254 DEBUG_LOG("Creature (Entry: %u GUID: %u) move confused",
255 i_owner
->GetEntry(), i_owner
->GetGUIDLow() );
256 Mutate(new ConfusedMovementGenerator
<Creature
>());
261 MotionMaster::MoveChase(Unit
* target
, float dist
, float angle
)
263 // ignore movement request if target not exist
267 i_owner
->clearUnitState(UNIT_STAT_FOLLOW
);
268 if(i_owner
->GetTypeId()==TYPEID_PLAYER
)
270 DEBUG_LOG("Player (GUID: %u) chase to %s (GUID: %u)",
271 i_owner
->GetGUIDLow(),
272 target
->GetTypeId()==TYPEID_PLAYER
? "player" : "creature",
273 target
->GetTypeId()==TYPEID_PLAYER
? i_owner
->GetGUIDLow() : ((Creature
*)i_owner
)->GetDBTableGUIDLow() );
274 Mutate(new TargetedMovementGenerator
<Player
>(*target
,dist
,angle
));
278 DEBUG_LOG("Creature (Entry: %u GUID: %u) chase to %s (GUID: %u)",
279 i_owner
->GetEntry(), i_owner
->GetGUIDLow(),
280 target
->GetTypeId()==TYPEID_PLAYER
? "player" : "creature",
281 target
->GetTypeId()==TYPEID_PLAYER
? target
->GetGUIDLow() : ((Creature
*)target
)->GetDBTableGUIDLow() );
282 Mutate(new TargetedMovementGenerator
<Creature
>(*target
,dist
,angle
));
287 MotionMaster::MoveFollow(Unit
* target
, float dist
, float angle
)
291 // ignore movement request if target not exist
295 i_owner
->addUnitState(UNIT_STAT_FOLLOW
);
296 if(i_owner
->GetTypeId()==TYPEID_PLAYER
)
298 DEBUG_LOG("Player (GUID: %u) follow to %s (GUID: %u)", i_owner
->GetGUIDLow(),
299 target
->GetTypeId()==TYPEID_PLAYER
? "player" : "creature",
300 target
->GetTypeId()==TYPEID_PLAYER
? i_owner
->GetGUIDLow() : ((Creature
*)i_owner
)->GetDBTableGUIDLow() );
301 Mutate(new TargetedMovementGenerator
<Player
>(*target
,dist
,angle
));
305 DEBUG_LOG("Creature (Entry: %u GUID: %u) follow to %s (GUID: %u)",
306 i_owner
->GetEntry(), i_owner
->GetGUIDLow(),
307 target
->GetTypeId()==TYPEID_PLAYER
? "player" : "creature",
308 target
->GetTypeId()==TYPEID_PLAYER
? target
->GetGUIDLow() : ((Creature
*)target
)->GetDBTableGUIDLow() );
309 Mutate(new TargetedMovementGenerator
<Creature
>(*target
,dist
,angle
));
314 MotionMaster::MovePoint(uint32 id
, float x
, float y
, float z
)
316 if(i_owner
->GetTypeId()==TYPEID_PLAYER
)
318 DEBUG_LOG("Player (GUID: %u) targeted point (Id: %u X: %f Y: %f Z: %f)", i_owner
->GetGUIDLow(), id
, x
, y
, z
);
319 Mutate(new PointMovementGenerator
<Player
>(id
,x
,y
,z
));
323 DEBUG_LOG("Creature (Entry: %u GUID: %u) targeted point (ID: %u X: %f Y: %f Z: %f)",
324 i_owner
->GetEntry(), i_owner
->GetGUIDLow(), id
, x
, y
, z
);
325 Mutate(new PointMovementGenerator
<Creature
>(id
,x
,y
,z
));
330 MotionMaster::MoveFleeing(Unit
* enemy
)
335 if(i_owner
->GetTypeId()==TYPEID_PLAYER
)
337 DEBUG_LOG("Player (GUID: %u) flee from %s (GUID: %u)", i_owner
->GetGUIDLow(),
338 enemy
->GetTypeId()==TYPEID_PLAYER
? "player" : "creature",
339 enemy
->GetTypeId()==TYPEID_PLAYER
? enemy
->GetGUIDLow() : ((Creature
*)enemy
)->GetDBTableGUIDLow() );
340 Mutate(new FleeingMovementGenerator
<Player
>(enemy
->GetGUID()));
344 DEBUG_LOG("Creature (Entry: %u GUID: %u) flee from %s (GUID: %u)",
345 i_owner
->GetEntry(), i_owner
->GetGUIDLow(),
346 enemy
->GetTypeId()==TYPEID_PLAYER
? "player" : "creature",
347 enemy
->GetTypeId()==TYPEID_PLAYER
? enemy
->GetGUIDLow() : ((Creature
*)enemy
)->GetDBTableGUIDLow() );
348 Mutate(new FleeingMovementGenerator
<Creature
>(enemy
->GetGUID()));
353 MotionMaster::MoveTaxiFlight(uint32 path
, uint32 pathnode
)
355 if(i_owner
->GetTypeId()==TYPEID_PLAYER
)
357 DEBUG_LOG("Player (GUID: %u) taxi to (Path %u node %u)", i_owner
->GetGUIDLow(), path
, pathnode
);
358 FlightPathMovementGenerator
* mgen
= new FlightPathMovementGenerator(path
,pathnode
);
363 sLog
.outError("Creature (Entry: %u GUID: %u) attempt taxi to (Path %u node %u)",
364 i_owner
->GetEntry(), i_owner
->GetGUIDLow(), path
, pathnode
);
369 MotionMaster::MoveDistract(uint32 timer
)
371 if(i_owner
->GetTypeId()==TYPEID_PLAYER
)
373 DEBUG_LOG("Player (GUID: %u) distracted (timer: %u)", i_owner
->GetGUIDLow(), timer
);
377 DEBUG_LOG("Creature (Entry: %u GUID: %u) (timer: %u)",
378 i_owner
->GetEntry(), i_owner
->GetGUIDLow(), timer
);
381 DistractMovementGenerator
* mgen
= new DistractMovementGenerator(timer
);
385 void MotionMaster::Mutate(MovementGenerator
*m
)
389 switch(top()->GetMovementGeneratorType())
391 // HomeMovement is not that important, delete it if meanwhile a new comes
392 case HOME_MOTION_TYPE
:
393 // DistractMovement interrupted by any other movement
394 case DISTRACT_MOTION_TYPE
:
395 MovementExpired(false);
398 m
->Initialize(*i_owner
);
402 void MotionMaster::propagateSpeedChange()
404 Impl::container_type::iterator it
= Impl::c
.begin();
405 for ( ;it
!= end(); ++it
)
407 (*it
)->unitSpeedChanged();
411 MovementGeneratorType
MotionMaster::GetCurrentMovementGeneratorType() const
414 return IDLE_MOTION_TYPE
;
416 return top()->GetMovementGeneratorType();
419 bool MotionMaster::GetDestination(float &x
, float &y
, float &z
)
424 return top()->GetDestination(x
,y
,z
);