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https://github.com/mod-playerbots/azerothcore-wotlk.git
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Refactoring part 2 [W.I.P]
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Yehonal
@@ -1,362 +0,0 @@
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/* Copyright (C) 2006 - 2009 ScriptDev2 <https://scriptdev2.svn.sourceforge.net/>
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* This program is free software licensed under GPL version 2
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* Please see the included DOCS/LICENSE.TXT for more information */
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/* ScriptData
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SDName: FollowerAI
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SD%Complete: 50
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SDComment: This AI is under development
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SDCategory: Npc
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EndScriptData */
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#include "ScriptedCreature.h"
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#include "ScriptedFollowerAI.h"
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#include "Group.h"
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#include "Player.h"
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const float MAX_PLAYER_DISTANCE = 100.0f;
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enum ePoints
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{
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POINT_COMBAT_START = 0xFFFFFF
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};
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FollowerAI::FollowerAI(Creature* creature) : ScriptedAI(creature),
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m_uiLeaderGUID(0),
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m_uiUpdateFollowTimer(2500),
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m_uiFollowState(STATE_FOLLOW_NONE),
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m_pQuestForFollow(NULL)
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{}
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void FollowerAI::AttackStart(Unit* who)
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{
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if (!who)
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return;
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if (me->Attack(who, true))
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{
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// This is done in Unit::Attack function which wont bug npcs by not adding threat upon combat start...
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//me->AddThreat(who, 0.0f);
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//me->SetInCombatWith(who);
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//who->SetInCombatWith(me);
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if (me->HasUnitState(UNIT_STATE_FOLLOW))
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me->ClearUnitState(UNIT_STATE_FOLLOW);
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if (IsCombatMovementAllowed())
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me->GetMotionMaster()->MoveChase(who);
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}
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}
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//This part provides assistance to a player that are attacked by who, even if out of normal aggro range
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//It will cause me to attack who that are attacking _any_ player (which has been confirmed may happen also on offi)
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//The flag (type_flag) is unconfirmed, but used here for further research and is a good candidate.
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bool FollowerAI::AssistPlayerInCombat(Unit* who)
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{
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if (!who || !who->GetVictim())
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return false;
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//experimental (unknown) flag not present
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if (!(me->GetCreatureTemplate()->type_flags & CREATURE_TYPEFLAGS_AID_PLAYERS))
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return false;
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//not a player
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if (!who->GetVictim()->GetCharmerOrOwnerPlayerOrPlayerItself())
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return false;
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//never attack friendly
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if (me->IsFriendlyTo(who))
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return false;
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//too far away and no free sight?
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if (me->IsWithinDistInMap(who, MAX_PLAYER_DISTANCE) && me->IsWithinLOSInMap(who))
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{
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AttackStart(who);
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return true;
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}
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return false;
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}
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void FollowerAI::MoveInLineOfSight(Unit* who)
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{
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if (me->GetVictim())
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return;
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if (!me->HasUnitState(UNIT_STATE_STUNNED) && who->isTargetableForAttack(true, me) && who->isInAccessiblePlaceFor(me))
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if (HasFollowState(STATE_FOLLOW_INPROGRESS) && AssistPlayerInCombat(who))
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return;
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if (me->CanStartAttack(who))
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AttackStart(who);
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}
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void FollowerAI::JustDied(Unit* /*pKiller*/)
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{
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if (!HasFollowState(STATE_FOLLOW_INPROGRESS) || !m_uiLeaderGUID || !m_pQuestForFollow)
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return;
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//TODO: need a better check for quests with time limit.
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if (Player* player = GetLeaderForFollower())
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{
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if (Group* group = player->GetGroup())
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{
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for (GroupReference* groupRef = group->GetFirstMember(); groupRef != NULL; groupRef = groupRef->next())
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{
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if (Player* member = groupRef->GetSource())
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{
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if (member->IsInMap(player) && member->GetQuestStatus(m_pQuestForFollow->GetQuestId()) == QUEST_STATUS_INCOMPLETE)
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member->FailQuest(m_pQuestForFollow->GetQuestId());
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}
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}
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}
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else
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{
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if (player->GetQuestStatus(m_pQuestForFollow->GetQuestId()) == QUEST_STATUS_INCOMPLETE)
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player->FailQuest(m_pQuestForFollow->GetQuestId());
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}
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}
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}
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void FollowerAI::JustRespawned()
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{
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m_uiFollowState = STATE_FOLLOW_NONE;
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if (!IsCombatMovementAllowed())
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SetCombatMovement(true);
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if (me->getFaction() != me->GetCreatureTemplate()->faction)
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me->setFaction(me->GetCreatureTemplate()->faction);
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Reset();
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}
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void FollowerAI::EnterEvadeMode()
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{
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me->RemoveAllAuras();
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me->DeleteThreatList();
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me->CombatStop(true);
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me->SetLootRecipient(NULL);
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if (HasFollowState(STATE_FOLLOW_INPROGRESS))
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{
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;//sLog->outDebug(LOG_FILTER_TSCR, "TSCR: FollowerAI left combat, returning to CombatStartPosition.");
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if (me->GetMotionMaster()->GetCurrentMovementGeneratorType() == CHASE_MOTION_TYPE)
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{
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float fPosX, fPosY, fPosZ;
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me->GetPosition(fPosX, fPosY, fPosZ);
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me->GetMotionMaster()->MovePoint(POINT_COMBAT_START, fPosX, fPosY, fPosZ);
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}
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}
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else
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{
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if (me->GetMotionMaster()->GetCurrentMovementGeneratorType() == CHASE_MOTION_TYPE)
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me->GetMotionMaster()->MoveTargetedHome();
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}
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Reset();
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}
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void FollowerAI::UpdateAI(uint32 uiDiff)
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{
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if (HasFollowState(STATE_FOLLOW_INPROGRESS) && !me->GetVictim())
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{
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if (m_uiUpdateFollowTimer <= uiDiff)
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{
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if (HasFollowState(STATE_FOLLOW_COMPLETE) && !HasFollowState(STATE_FOLLOW_POSTEVENT))
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{
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;//sLog->outDebug(LOG_FILTER_TSCR, "TSCR: FollowerAI is set completed, despawns.");
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me->DespawnOrUnsummon();
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return;
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}
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bool bIsMaxRangeExceeded = true;
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if (Player* player = GetLeaderForFollower())
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{
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if (HasFollowState(STATE_FOLLOW_RETURNING))
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{
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;//sLog->outDebug(LOG_FILTER_TSCR, "TSCR: FollowerAI is returning to leader.");
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RemoveFollowState(STATE_FOLLOW_RETURNING);
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me->GetMotionMaster()->MoveFollow(player, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
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return;
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}
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if (Group* group = player->GetGroup())
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{
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for (GroupReference* groupRef = group->GetFirstMember(); groupRef != NULL; groupRef = groupRef->next())
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{
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Player* member = groupRef->GetSource();
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if (member && me->IsWithinDistInMap(member, MAX_PLAYER_DISTANCE))
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{
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bIsMaxRangeExceeded = false;
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break;
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}
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}
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}
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else
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{
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if (me->IsWithinDistInMap(player, MAX_PLAYER_DISTANCE))
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bIsMaxRangeExceeded = false;
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}
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}
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if (bIsMaxRangeExceeded)
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{
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;//sLog->outDebug(LOG_FILTER_TSCR, "TSCR: FollowerAI failed because player/group was to far away or not found");
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me->DespawnOrUnsummon();
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return;
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}
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m_uiUpdateFollowTimer = 1000;
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}
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else
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m_uiUpdateFollowTimer -= uiDiff;
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}
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UpdateFollowerAI(uiDiff);
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}
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void FollowerAI::UpdateFollowerAI(uint32 /*uiDiff*/)
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{
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if (!UpdateVictim())
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return;
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DoMeleeAttackIfReady();
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}
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void FollowerAI::MovementInform(uint32 motionType, uint32 pointId)
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{
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if (motionType != POINT_MOTION_TYPE || !HasFollowState(STATE_FOLLOW_INPROGRESS))
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return;
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if (pointId == POINT_COMBAT_START)
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{
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if (GetLeaderForFollower())
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{
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if (!HasFollowState(STATE_FOLLOW_PAUSED))
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AddFollowState(STATE_FOLLOW_RETURNING);
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}
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else
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me->DespawnOrUnsummon();
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}
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}
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void FollowerAI::StartFollow(Player* player, uint32 factionForFollower, const Quest* quest)
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{
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if (me->GetVictim())
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{
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;//sLog->outDebug(LOG_FILTER_TSCR, "TSCR: FollowerAI attempt to StartFollow while in combat.");
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return;
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}
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if (HasFollowState(STATE_FOLLOW_INPROGRESS))
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{
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sLog->outError("TSCR: FollowerAI attempt to StartFollow while already following.");
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return;
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}
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//set variables
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m_uiLeaderGUID = player->GetGUID();
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if (factionForFollower)
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me->setFaction(factionForFollower);
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m_pQuestForFollow = quest;
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if (me->GetMotionMaster()->GetCurrentMovementGeneratorType() == WAYPOINT_MOTION_TYPE)
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{
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me->GetMotionMaster()->Clear();
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me->GetMotionMaster()->MoveIdle();
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;//sLog->outDebug(LOG_FILTER_TSCR, "TSCR: FollowerAI start with WAYPOINT_MOTION_TYPE, set to MoveIdle.");
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}
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me->SetUInt32Value(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_NONE);
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AddFollowState(STATE_FOLLOW_INPROGRESS);
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me->GetMotionMaster()->MoveFollow(player, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
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;//sLog->outDebug(LOG_FILTER_TSCR, "TSCR: FollowerAI start follow %s (GUID " UI64FMTD ")", player->GetName().c_str(), m_uiLeaderGUID);
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}
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Player* FollowerAI::GetLeaderForFollower()
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{
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if (Player* player = ObjectAccessor::GetPlayer(*me, m_uiLeaderGUID))
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{
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if (player->IsAlive())
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return player;
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else
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{
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if (Group* group = player->GetGroup())
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{
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for (GroupReference* groupRef = group->GetFirstMember(); groupRef != NULL; groupRef = groupRef->next())
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{
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Player* member = groupRef->GetSource();
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if (member && me->IsWithinDistInMap(member, MAX_PLAYER_DISTANCE) && member->IsAlive())
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{
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;//sLog->outDebug(LOG_FILTER_TSCR, "TSCR: FollowerAI GetLeader changed and returned new leader.");
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m_uiLeaderGUID = member->GetGUID();
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return member;
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}
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}
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}
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}
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}
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;//sLog->outDebug(LOG_FILTER_TSCR, "TSCR: FollowerAI GetLeader can not find suitable leader.");
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return NULL;
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}
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void FollowerAI::SetFollowComplete(bool bWithEndEvent)
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{
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if (me->HasUnitState(UNIT_STATE_FOLLOW))
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{
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me->ClearUnitState(UNIT_STATE_FOLLOW);
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me->StopMoving();
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me->GetMotionMaster()->Clear();
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me->GetMotionMaster()->MoveIdle();
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}
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if (bWithEndEvent)
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AddFollowState(STATE_FOLLOW_POSTEVENT);
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else
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{
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if (HasFollowState(STATE_FOLLOW_POSTEVENT))
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RemoveFollowState(STATE_FOLLOW_POSTEVENT);
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}
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AddFollowState(STATE_FOLLOW_COMPLETE);
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}
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void FollowerAI::SetFollowPaused(bool paused)
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{
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if (!HasFollowState(STATE_FOLLOW_INPROGRESS) || HasFollowState(STATE_FOLLOW_COMPLETE))
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return;
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if (paused)
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{
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AddFollowState(STATE_FOLLOW_PAUSED);
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if (me->HasUnitState(UNIT_STATE_FOLLOW))
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{
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me->ClearUnitState(UNIT_STATE_FOLLOW);
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me->StopMoving();
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me->GetMotionMaster()->Clear();
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me->GetMotionMaster()->MoveIdle();
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}
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}
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else
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{
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RemoveFollowState(STATE_FOLLOW_PAUSED);
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if (Player* leader = GetLeaderForFollower())
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me->GetMotionMaster()->MoveFollow(leader, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
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}
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}
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