diff options
Diffstat (limited to 'src/game/FleeingMovementGenerator.cpp')
| -rw-r--r-- | src/game/FleeingMovementGenerator.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/game/FleeingMovementGenerator.cpp b/src/game/FleeingMovementGenerator.cpp index 35cfcca52d0..eef98b705cc 100644 --- a/src/game/FleeingMovementGenerator.cpp +++ b/src/game/FleeingMovementGenerator.cpp @@ -17,53 +17,66 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + #include "Creature.h" #include "CreatureAI.h" #include "MapManager.h" #include "FleeingMovementGenerator.h" #include "DestinationHolderImp.h" #include "ObjectAccessor.h" + #define MIN_QUIET_DISTANCE 28.0f #define MAX_QUIET_DISTANCE 43.0f + template<class T> void FleeingMovementGenerator<T>::_setTargetLocation(T &owner) { if( !&owner ) return; + if( owner.hasUnitState(UNIT_STAT_ROOT | UNIT_STAT_STUNNED) ) return; + if(!_setMoveData(owner)) return; + float x, y, z; if(!_getPoint(owner, x, y, z)) return; + owner.addUnitState(UNIT_STAT_FLEEING | UNIT_STAT_ROAMING); Traveller<T> traveller(owner); i_destinationHolder.SetDestination(traveller, x, y, z); } + template<> bool FleeingMovementGenerator<Creature>::GetDestination(float &x, float &y, float &z) const { if(i_destinationHolder.HasArrived()) return false; + i_destinationHolder.GetDestination(x, y, z); return true; } + template<> bool FleeingMovementGenerator<Player>::GetDestination(float &x, float &y, float &z) const { return false; } + template<class T> bool FleeingMovementGenerator<T>::_getPoint(T &owner, float &x, float &y, float &z) { if(!&owner) return false; + x = owner.GetPositionX(); y = owner.GetPositionY(); z = owner.GetPositionZ(); + float temp_x, temp_y, angle; const Map * _map = owner.GetBaseMap(); //primitive path-finding @@ -71,7 +84,9 @@ FleeingMovementGenerator<T>::_getPoint(T &owner, float &x, float &y, float &z) { if(i_only_forward && i > 2) break; + float distance = 5.0f; + switch(i) { case 0: @@ -149,6 +164,7 @@ FleeingMovementGenerator<T>::_getPoint(T &owner, float &x, float &y, float &z) if( owner.IsWithinLOS(temp_x,temp_y,z)) { bool is_water_now = _map->IsInWater(x,y,z); + if(is_water_now && _map->IsInWater(temp_x,temp_y,z)) { x = temp_x; @@ -156,11 +172,15 @@ FleeingMovementGenerator<T>::_getPoint(T &owner, float &x, float &y, float &z) return true; } float new_z = _map->GetHeight(temp_x,temp_y,z,true); + if(new_z <= INVALID_HEIGHT) continue; + bool is_water_next = _map->IsInWater(temp_x,temp_y,new_z); + if((is_water_now && !is_water_next && !is_land_ok) || (!is_water_now && is_water_next && !is_water_ok)) continue; + if( !(new_z - z) || distance / fabs(new_z - z) > 1.0f) { float new_z_left = _map->GetHeight(temp_x + 1.0f*cos(angle+M_PI/2),temp_y + 1.0f*sin(angle+M_PI/2),z,true); @@ -179,11 +199,13 @@ FleeingMovementGenerator<T>::_getPoint(T &owner, float &x, float &y, float &z) i_nextCheckTime.Reset( urand(500,1000) ); return false; } + template<class T> bool FleeingMovementGenerator<T>::_setMoveData(T &owner) { float cur_dist_xyz = owner.GetDistance(i_caster_x, i_caster_y, i_caster_z); + if(i_to_distance_from_caster > 0.0f) { if((i_last_distance_from_caster > i_to_distance_from_caster && cur_dist_xyz < i_to_distance_from_caster) || @@ -208,9 +230,12 @@ FleeingMovementGenerator<T>::_setMoveData(T &owner) return true; } } + float cur_dist; float angle_to_caster; + Unit * fright = ObjectAccessor::GetUnit(owner, i_frightGUID); + if(fright) { cur_dist = fright->GetDistance(&owner); @@ -232,10 +257,13 @@ FleeingMovementGenerator<T>::_setMoveData(T &owner) cur_dist = cur_dist_xyz; angle_to_caster = owner.GetAngle(i_caster_x, i_caster_y) + M_PI; } + // if we too close may use 'path-finding' else just stop i_only_forward = cur_dist >= MIN_QUIET_DISTANCE/3; + //get angle and 'distance from caster' to run float angle; + if(i_cur_angle == 0.0f && i_last_distance_from_caster == 0.0f) //just started, first time { angle = rand_norm()*(1.0f - cur_dist/MIN_QUIET_DISTANCE) * M_PI/3 + rand_norm()*M_PI*2/3; @@ -257,24 +285,30 @@ FleeingMovementGenerator<T>::_setMoveData(T &owner) angle = rand_norm()*M_PI; i_to_distance_from_caster = MIN_QUIET_DISTANCE + 2.5f + rand_norm()*(MAX_QUIET_DISTANCE - MIN_QUIET_DISTANCE - 2.5f); } + int8 sign = rand_norm() > 0.5f ? 1 : -1; i_cur_angle = sign*angle + angle_to_caster; + // current distance i_last_distance_from_caster = cur_dist; + return true; } + template<class T> void FleeingMovementGenerator<T>::Initialize(T &owner) { if(!&owner) return; + _Init(owner); owner.CastStop(); owner.addUnitState(UNIT_STAT_FLEEING | UNIT_STAT_ROAMING); owner.SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_FLEEING); owner.SetUInt64Value(UNIT_FIELD_TARGET, 0); owner.RemoveUnitMovementFlag(MOVEMENTFLAG_WALK_MODE); + if(Unit * fright = ObjectAccessor::GetUnit(owner, i_frightGUID)) { i_caster_x = fright->GetPositionX(); @@ -287,21 +321,25 @@ FleeingMovementGenerator<T>::Initialize(T &owner) i_caster_y = owner.GetPositionY(); i_caster_z = owner.GetPositionZ(); } + i_only_forward = true; i_cur_angle = 0.0f; i_last_distance_from_caster = 0.0f; i_to_distance_from_caster = 0.0f; _setTargetLocation(owner); } + template<> void FleeingMovementGenerator<Creature>::_Init(Creature &owner) { if(!&owner) return; + is_water_ok = owner.canSwim(); is_land_ok = owner.canWalk(); } + template<> void FleeingMovementGenerator<Player>::_Init(Player &) @@ -309,6 +347,7 @@ FleeingMovementGenerator<Player>::_Init(Player &) is_water_ok = true; is_land_ok = true; } + template<class T> void FleeingMovementGenerator<T>::Finalize(T &owner) @@ -318,12 +357,14 @@ FleeingMovementGenerator<T>::Finalize(T &owner) if(owner.GetTypeId() == TYPEID_UNIT && owner.getVictim()) owner.SetUInt64Value(UNIT_FIELD_TARGET, owner.getVictim()->GetGUID()); } + template<class T> void FleeingMovementGenerator<T>::Reset(T &owner) { Initialize(owner); } + template<class T> bool FleeingMovementGenerator<T>::Update(T &owner, const uint32 & time_diff) @@ -332,13 +373,17 @@ FleeingMovementGenerator<T>::Update(T &owner, const uint32 & time_diff) return false; if( owner.hasUnitState(UNIT_STAT_ROOT | UNIT_STAT_STUNNED) ) return true; + Traveller<T> traveller(owner); + i_nextCheckTime.Update(time_diff); + if( (owner.IsStopped() && !i_destinationHolder.HasArrived()) || !i_destinationHolder.HasDestination() ) { _setTargetLocation(owner); return true; } + if (i_destinationHolder.UpdateTraveller(traveller, time_diff)) { i_destinationHolder.ResetUpdate(50); @@ -350,6 +395,7 @@ FleeingMovementGenerator<T>::Update(T &owner, const uint32 & time_diff) } return true; } + template void FleeingMovementGenerator<Player>::Initialize(Player &); template void FleeingMovementGenerator<Creature>::Initialize(Creature &); template bool FleeingMovementGenerator<Player>::_setMoveData(Player &); @@ -364,6 +410,7 @@ template void FleeingMovementGenerator<Player>::Reset(Player &); template void FleeingMovementGenerator<Creature>::Reset(Creature &); template bool FleeingMovementGenerator<Player>::Update(Player &, const uint32 &); template bool FleeingMovementGenerator<Creature>::Update(Creature &, const uint32 &); + void TimedFleeingMovementGenerator::Finalize(Unit &owner) { owner.RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_FLEEING); @@ -377,15 +424,19 @@ void TimedFleeingMovementGenerator::Finalize(Unit &owner) } } } + bool TimedFleeingMovementGenerator::Update(Unit & owner, const uint32 & time_diff) { if( !owner.isAlive() ) return false; + if( owner.hasUnitState(UNIT_STAT_ROOT | UNIT_STAT_STUNNED) ) return true; + i_totalFleeTime.Update(time_diff); if (i_totalFleeTime.Passed()) return false; + // This calls grant-parent Update method hiden by FleeingMovementGenerator::Update(Creature &, const uint32 &) version // This is done instead of casting Unit& to Creature& and call parent method, then we can use Unit directly return MovementGeneratorMedium< Creature, FleeingMovementGenerator<Creature> >::Update(owner, time_diff); |