141 lines
4.3 KiB
C++
141 lines
4.3 KiB
C++
/**
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* MaNGOS is a full featured server for World of Warcraft, supporting
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* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
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*
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* Copyright (C) 2005-2023 MaNGOS <https://getmangos.eu>
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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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* World of Warcraft, and all World of Warcraft or Warcraft art, images,
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* and lore are copyrighted by Blizzard Entertainment, Inc.
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*/
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#include "Creature.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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RandomMovementGenerator<Creature>::RandomMovementGenerator(float x, float y, float z, float radius, float verticalZ) :
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i_nextMoveTime(0), i_x(x), i_y(y), i_z(z), i_radius(radius), i_verticalZ(verticalZ)
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{
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if (radius < 0.1f)
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{
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DEBUG_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS, "RandomMovementGenerator<Creature> constructor: wrong value for spawn distance. Set to 0.1f");
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i_radius = 0.1f;
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}
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}
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template<>
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RandomMovementGenerator<Creature>::RandomMovementGenerator(const 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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i_nextMoveTime = TimeTracker(0);
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i_x = respX;
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i_y = respY;
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i_z = respZ;
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i_radius = wander_distance;
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}
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template<>
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void RandomMovementGenerator<Creature>::_setRandomLocation(Creature& creature)
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{
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float destX = i_x;
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float destY = i_y;
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float destZ = i_z;
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creature.addUnitState(UNIT_STAT_ROAMING_MOVE);
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// check if new random position is assigned, GetReachableRandomPosition may fail
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if (creature.GetMap()->GetReachableRandomPosition(&creature, destX, destY, destZ, i_radius))
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{
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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 (roll_chance_i(MOVEMENT_RANDOM_MMGEN_CHANCE_NO_BREAK))
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{
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i_nextMoveTime.Reset(50);
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}
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else
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{
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i_nextMoveTime.Reset(urand(3000, 10000)); // Keep a short wait time
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}
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}
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else
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{
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i_nextMoveTime.Reset(50); // Retry later
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}
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return;
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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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creature.addUnitState(UNIT_STAT_ROAMING); // _MOVE set in _setRandomLocation
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if (!creature.IsAlive() || creature.hasUnitState(UNIT_STAT_NOT_MOVE))
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{
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return;
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}
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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.InterruptMoving();
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creature.clearUnitState(UNIT_STAT_ROAMING | UNIT_STAT_ROAMING_MOVE);
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creature.SetWalk(!creature.hasUnitState(UNIT_STAT_RUNNING_STATE), 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(!creature.hasUnitState(UNIT_STAT_RUNNING_STATE), 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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{
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_setRandomLocation(creature);
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}
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}
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return true;
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}
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