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114 lines
3.2 KiB
C++
114 lines
3.2 KiB
C++
/*
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* Copyright (C) 2005-2012 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "Creature.h"
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#include "MapManager.h"
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#include "RandomMovementGenerator.h"
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#include "Map.h"
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#include "Util.h"
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#include "movement/MoveSplineInit.h"
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#include "movement/MoveSpline.h"
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template<>
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void RandomMovementGenerator<Creature>::_setRandomLocation(Creature &creature)
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{
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float respX, respY, respZ, respO, wander_distance;
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creature.GetRespawnCoord(respX, respY, respZ, &respO, &wander_distance);
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const float angle = rand_norm_f() * (M_PI_F*2.0f);
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const float range = rand_norm_f() * wander_distance;
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float destX = respX + range * cos(angle);
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float destY = respY + range * sin(angle);
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float destZ = creature.GetPositionZ();
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creature.UpdateAllowedPositionZ(destX, destY, destZ);
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creature.addUnitState(UNIT_STAT_ROAMING_MOVE);
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Movement::MoveSplineInit init(creature);
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init.MoveTo(destX, destY, destZ, true);
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init.SetWalk(true);
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init.Launch();
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if (creature.CanFly())
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i_nextMoveTime.Reset(0);
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else
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i_nextMoveTime.Reset(urand(500, 10000));
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}
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template<>
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void RandomMovementGenerator<Creature>::Initialize(Creature &creature)
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{
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if (!creature.isAlive())
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return;
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creature.addUnitState(UNIT_STAT_ROAMING|UNIT_STAT_ROAMING_MOVE);
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_setRandomLocation(creature);
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}
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template<>
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void RandomMovementGenerator<Creature>::Reset(Creature &creature)
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{
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Initialize(creature);
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}
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template<>
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void RandomMovementGenerator<Creature>::Interrupt(Creature &creature)
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{
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creature.clearUnitState(UNIT_STAT_ROAMING|UNIT_STAT_ROAMING_MOVE);
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creature.SetWalk(false);
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}
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template<>
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void RandomMovementGenerator<Creature>::Finalize(Creature &creature)
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{
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creature.clearUnitState(UNIT_STAT_ROAMING|UNIT_STAT_ROAMING_MOVE);
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creature.SetWalk(false);
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}
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template<>
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bool RandomMovementGenerator<Creature>::Update(Creature &creature, const uint32 &diff)
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{
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if (creature.hasUnitState(UNIT_STAT_NOT_MOVE))
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{
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i_nextMoveTime.Reset(0); // Expire the timer
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creature.clearUnitState(UNIT_STAT_ROAMING_MOVE);
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return true;
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}
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if (creature.movespline->Finalized())
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{
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i_nextMoveTime.Update(diff);
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if (i_nextMoveTime.Passed())
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_setRandomLocation(creature);
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}
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return true;
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}
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template<>
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bool RandomMovementGenerator<Creature>::GetResetPosition(Creature& c, float& x, float& y, float& z)
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{
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float radius;
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c.GetRespawnCoord(x, y, z, NULL, &radius);
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// use current if in range
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if (c.IsWithinDist2d(x,y,radius))
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c.GetPosition(x,y,z);
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return true;
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}
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