SmartScript.h

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/*
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef TRINITY_SMARTSCRIPT_H
#define TRINITY_SMARTSCRIPT_H

#include "Common.h"
#include "Creature.h"
#include "CreatureAI.h"
#include "Unit.h"
#include "Spell.h"
#include "GridNotifiers.h"

#include "SmartScriptMgr.h"
//#include "SmartAI.h"

class TC_GAME_API SmartScript
{
 public:
 SmartScript();
 ~SmartScript();

 void OnInitialize(WorldObject* obj, AreaTriggerEntry const* at = NULL);
 void GetScript();
 void FillScript(SmartAIEventList e, WorldObject* obj, AreaTriggerEntry const* at);

 void ProcessEventsFor(SMART_EVENT e, Unit* unit = NULL, uint32 var0 = 0, uint32 var1 = 0, bool bvar = false, const SpellInfo* spell = NULL, GameObject* gob = NULL);
 void ProcessEvent(SmartScriptHolder& e, Unit* unit = NULL, uint32 var0 = 0, uint32 var1 = 0, bool bvar = false, const SpellInfo* spell = NULL, GameObject* gob = NULL);
 bool CheckTimer(SmartScriptHolder const& e) const;
 void RecalcTimer(SmartScriptHolder& e, uint32 min, uint32 max);
 void UpdateTimer(SmartScriptHolder& e, uint32 const diff);
 void InitTimer(SmartScriptHolder& e);
 void ProcessAction(SmartScriptHolder& e, Unit* unit = NULL, uint32 var0 = 0, uint32 var1 = 0, bool bvar = false, const SpellInfo* spell = NULL, GameObject* gob = NULL);
 void ProcessTimedAction(SmartScriptHolder& e, uint32 const& min, uint32 const& max, Unit* unit = NULL, uint32 var0 = 0, uint32 var1 = 0, bool bvar = false, const SpellInfo* spell = NULL, GameObject* gob = NULL);
 ObjectList* GetTargets(SmartScriptHolder const& e, Unit* invoker = NULL);
 ObjectList* GetWorldObjectsInDist(float dist);
 void InstallTemplate(SmartScriptHolder const& e);
 SmartScriptHolder CreateEvent(SMART_EVENT e, uint32 event_flags, uint32 event_param1, uint32 event_param2, uint32 event_param3, uint32 event_param4, SMART_ACTION action, uint32 action_param1, uint32 action_param2, uint32 action_param3, uint32 action_param4, uint32 action_param5, uint32 action_param6, SMARTAI_TARGETS t, uint32 target_param1, uint32 target_param2, uint32 target_param3, uint32 phaseMask = 0);
 void AddEvent(SMART_EVENT e, uint32 event_flags, uint32 event_param1, uint32 event_param2, uint32 event_param3, uint32 event_param4, SMART_ACTION action, uint32 action_param1, uint32 action_param2, uint32 action_param3, uint32 action_param4, uint32 action_param5, uint32 action_param6, SMARTAI_TARGETS t, uint32 target_param1, uint32 target_param2, uint32 target_param3, uint32 phaseMask = 0);
 void SetPathId(uint32 id) { mPathId = id; }
 uint32 GetPathId() const { return mPathId; }
 WorldObject* GetBaseObject()
 {
 WorldObject* obj = NULL;
 if (me)
 obj = me;
 else if (go)
 obj = go;
 return obj;
 }

 bool IsUnit(WorldObject* obj)
 {
 return obj && (obj->GetTypeId() == TYPEID_UNIT || obj->GetTypeId() == TYPEID_PLAYER);
 }

 bool IsPlayer(WorldObject* obj)
 {
 return obj && obj->GetTypeId() == TYPEID_PLAYER;
 }

 bool IsCreature(WorldObject* obj)
 {
 return obj && obj->GetTypeId() == TYPEID_UNIT;
 }

 bool IsGameObject(WorldObject* obj)
 {
 return obj && obj->GetTypeId() == TYPEID_GAMEOBJECT;
 }

 void OnUpdate(const uint32 diff);
 void OnMoveInLineOfSight(Unit* who);

 Unit* DoSelectLowestHpFriendly(float range, uint32 MinHPDiff);
 void DoFindFriendlyCC(std::list<Creature*>& _list, float range);
 void DoFindFriendlyMissingBuff(std::list<Creature*>& list, float range, uint32 spellid);
 Unit* DoFindClosestFriendlyInRange(float range, bool playerOnly);

 void StoreTargetList(ObjectList* targets, uint32 id)
 {
 if (!targets)
 return;

 if (mTargetStorage->find(id) != mTargetStorage->end())
 {
 // check if already stored
 if ((*mTargetStorage)[id]->Equals(targets))
 return;

 delete (*mTargetStorage)[id];
 }

 (*mTargetStorage)[id] = new ObjectGuidList(targets, GetBaseObject());
 }

 bool IsSmart(Creature* c = NULL)
 {
 bool smart = true;
 if (c && c->GetAIName() != "SmartAI")
 smart = false;

 if (!me || me->GetAIName() != "SmartAI")
 smart = false;

 if (!smart)
 TC_LOG_ERROR("sql.sql", "SmartScript: Action target Creature (GUID: " UI64FMTD " Entry: %u) is not using SmartAI, action called by Creature (GUID: " UI64FMTD " Entry: %u) skipped to prevent crash.", uint64(c ? c->GetSpawnId() : UI64LIT(0)), c ? c->GetEntry() : 0, uint64(me ? me->GetSpawnId() : UI64LIT(0)), me ? me->GetEntry() : 0);

 return smart;
 }

 bool IsSmartGO(GameObject* g = NULL)
 {
 bool smart = true;
 if (g && g->GetAIName() != "SmartGameObjectAI")
 smart = false;

 if (!go || go->GetAIName() != "SmartGameObjectAI")
 smart = false;
 if (!smart)
 TC_LOG_ERROR("sql.sql", "SmartScript: Action target GameObject (GUID: " UI64FMTD " Entry: %u) is not using SmartGameObjectAI, action called by GameObject (GUID: " UI64FMTD " Entry: %u) skipped to prevent crash.", uint64(g ? g->GetSpawnId() : UI64LIT(0)), g ? g->GetEntry() : 0, uint64(go ? go->GetSpawnId() : UI64LIT(0)), go ? go->GetEntry() : 0);

 return smart;
 }

 ObjectList* GetTargetList(uint32 id)
 {
 ObjectListMap::iterator itr = mTargetStorage->find(id);
 if (itr != mTargetStorage->end())
 return (*itr).second->GetObjectList();
 return NULL;
 }

 void StoreCounter(uint32 id, uint32 value, uint32 reset)
 {
 CounterMap::const_iterator itr = mCounterList.find(id);
 if (itr != mCounterList.end())
 {
 if (reset == 0)
 value += GetCounterValue(id);
 mCounterList.erase(id);
 }

 mCounterList.insert(std::make_pair(id, value));
 ProcessEventsFor(SMART_EVENT_COUNTER_SET);
 }

 uint32 GetCounterId(uint32 id)
 {
 CounterMap::iterator itr = mCounterList.find(id);
 if (itr != mCounterList.end())
 return itr->first;
 return 0;
 }

 uint32 GetCounterValue(uint32 id)
 {
 CounterMap::iterator itr = mCounterList.find(id);
 if (itr != mCounterList.end())
 return itr->second;
 return 0;
 }

 GameObject* FindGameObjectNear(WorldObject* searchObject, ObjectGuid::LowType guid) const
 {
 auto bounds = searchObject->GetMap()->GetGameObjectBySpawnIdStore().equal_range(guid);
 if (bounds.first == bounds.second)
 return nullptr;

 return bounds.first->second;
 }

 Creature* FindCreatureNear(WorldObject* searchObject, ObjectGuid::LowType guid) const
 {
 auto bounds = searchObject->GetMap()->GetCreatureBySpawnIdStore().equal_range(guid);
 if (bounds.first == bounds.second)
 return nullptr;

 auto creatureItr = std::find_if(bounds.first, bounds.second, [](Map::CreatureBySpawnIdContainer::value_type const& pair)
 {
 return pair.second->IsAlive();
 });

 return creatureItr != bounds.second ? creatureItr->second : bounds.first->second;
 }

 ObjectListMap* mTargetStorage;

 void OnReset();
 void ResetBaseObject()
 {
 WorldObject* lookupRoot = me;
 if (!lookupRoot)
 lookupRoot = go;

 if (lookupRoot)
 {
 if (!meOrigGUID.IsEmpty())
 {
 if (Creature* m = ObjectAccessor::GetCreature(*lookupRoot, meOrigGUID))
 {
 me = m;
 go = NULL;
 }
 }
 if (!goOrigGUID.IsEmpty())
 {
 if (GameObject* o = ObjectAccessor::GetGameObject(*lookupRoot, goOrigGUID))
 {
 me = NULL;
 go = o;
 }
 }
 }
 goOrigGUID.Clear();
 meOrigGUID.Clear();
 }

 //TIMED_ACTIONLIST (script type 9 aka script9)
 void SetScript9(SmartScriptHolder& e, uint32 entry);
 Unit* GetLastInvoker();
 ObjectGuid mLastInvoker;
 typedef std::unordered_map<uint32, uint32> CounterMap;
 CounterMap mCounterList;

 private:
 void IncPhase(int32 p = 1)
 {
 if (p >= 0)
 mEventPhase += (uint32)p;
 else
 DecPhase(abs(p));
 }

 void DecPhase(int32 p = 1)
 {
 if (mEventPhase > (uint32)p)
 mEventPhase -= (uint32)p;
 else
 mEventPhase = 0;
 }

 bool IsInPhase(uint32 p) const { return ((1 << (mEventPhase - 1)) & p) != 0; }
 void SetPhase(uint32 p = 0) { mEventPhase = p; }

 SmartAIEventList mEvents;
 SmartAIEventList mInstallEvents;
 SmartAIEventList mTimedActionList;
 bool isProcessingTimedActionList;
 Creature* me;
 ObjectGuid meOrigGUID;
 GameObject* go;
 ObjectGuid goOrigGUID;
 AreaTriggerEntry const* trigger;
 SmartScriptType mScriptType;
 uint32 mEventPhase;

 uint32 mPathId;
 SmartAIEventList mStoredEvents;
 std::list<uint32>mRemIDs;

 uint32 mTextTimer;
 uint32 mLastTextID;
 uint32 mTalkerEntry;
 bool mUseTextTimer;

 SMARTAI_TEMPLATE mTemplate;
 void InstallEvents();

 void RemoveStoredEvent(uint32 id)
 {
 if (!mStoredEvents.empty())
 {
 for (SmartAIEventList::iterator i = mStoredEvents.begin(); i != mStoredEvents.end(); ++i)
 {
 if (i->event_id == id)
 {
 mStoredEvents.erase(i);
 return;
 }
 }
 }
 }
};

#endif