NPC_AI.cpp 20 KB

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  1. /*
  2. EQ2Emulator: Everquest II Server Emulator
  3. Copyright (C) 2007 EQ2EMulator Development Team (http://www.eq2emulator.net)
  4. This file is part of EQ2Emulator.
  5. EQ2Emulator is free software: you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation, either version 3 of the License, or
  8. (at your option) any later version.
  9. EQ2Emulator is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with EQ2Emulator. If not, see <http://www.gnu.org/licenses/>.
  15. */
  16. #include "NPC_AI.h"
  17. #include "Combat.h"
  18. #include "zoneserver.h"
  19. #include "Spells.h"
  20. #include "../common/Log.h"
  21. #include "LuaInterface.h"
  22. #include "World.h"
  23. #include "Rules/Rules.h"
  24. extern RuleManager rule_manager;
  25. extern LuaInterface* lua_interface;
  26. extern World world;
  27. /* The NEW AI code */
  28. Brain::Brain(NPC* npc) {
  29. // Set the npc this brain will controll
  30. m_body = npc;
  31. // Set the default time between calls to think to 250 miliseconds (1/4 a second)
  32. m_tick = 250;
  33. m_lastTick = Timer::GetCurrentTime2();
  34. m_spellRecovery = 0;
  35. m_playerInEncounter = false;
  36. // Set up the mutex for the hate list
  37. MHateList.SetName("Brain::m_hatelist");
  38. // Set up the mutex for the encounter list
  39. MEncounter.SetName("Brain::m_encounter");
  40. }
  41. Brain::~Brain() {
  42. }
  43. void Brain::Think() {
  44. // Get the entity this NPC hates the most,
  45. // GetMostHated() will handle dead spawns so no need to check the health in this function
  46. Entity* target = GetMostHated();
  47. // If mezzed, stunned or feared we can't do anything so skip
  48. if (!m_body->IsMezzedOrStunned()) {
  49. // Not mezzed or stunned
  50. // Get the distance to the runback location
  51. float run_back_distance = m_body->GetRunbackDistance();
  52. if (target) {
  53. LogWrite(NPC_AI__DEBUG, 7, "NPC_AI", "%s has %s targeted.", m_body->GetName(), target->GetName());
  54. // NPC has an entity that it hates
  55. // If the NPC is not in combat then put them in combat
  56. if (!m_body->EngagedInCombat()) {
  57. m_body->ClearRunningLocations();
  58. m_body->InCombat(true);
  59. m_body->GetZone()->CallSpawnScript(m_body, SPAWN_SCRIPT_AGGRO, target);
  60. }
  61. // Set the NPC's target to the most hated entity if it is not already.
  62. if (m_body->GetTarget() != target) {
  63. m_body->SetTarget(target);
  64. m_body->FaceTarget(target);
  65. }
  66. // Check to see if the NPC has exceeded the max chase distance
  67. if (run_back_distance > MAX_CHASE_DISTANCE) {
  68. LogWrite(NPC_AI__DEBUG, 7, "NPC_AI", "Run back distance is greater then max chase distance, run_back_distance = %f", run_back_distance);
  69. // Over the max chase distance, Check to see if the target is is a client
  70. Client* client = target->GetZone()->GetClientBySpawn(target);
  71. if (client)
  72. {
  73. // Target is a client so send encounter break messages
  74. if (m_body->HasSpawnGroup())
  75. client->SimpleMessage(CHANNEL_COLOR_WHITE, "This encounter will no longer give encounter rewards.");
  76. else
  77. client->Message(CHANNEL_COLOR_WHITE, "%s is no longer worth any experience or treasure.", m_body->GetName());
  78. }
  79. // Clear the hate list for this NPC
  80. ClearHate();
  81. // Clear the encounter list
  82. ClearEncounter();
  83. }
  84. else {
  85. // Still within max chase distance lets to the combat stuff now
  86. float distance = m_body->GetDistance(target);
  87. if(!m_body->IsCasting() && (!HasRecovered() || !ProcessSpell(target, distance))) {
  88. LogWrite(NPC_AI__DEBUG, 7, "NPC_AI", "%s is attempting melee on %s.", m_body->GetName(), target->GetName());
  89. m_body->FaceTarget(target);
  90. ProcessMelee(target, distance);
  91. }
  92. }
  93. }
  94. else {
  95. // Nothing in the hate list
  96. bool wasInCombat = m_body->EngagedInCombat();
  97. // Check to see if the NPC is still flagged as in combat for some reason
  98. if (m_body->EngagedInCombat()) {
  99. // If it is set the combat flag to false
  100. m_body->InCombat(false);
  101. // Do not set a players pet to full health once they stop combat
  102. if (!m_body->IsPet() || (m_body->IsPet() && !m_body->GetOwner()->IsPlayer()))
  103. m_body->SetHP(m_body->GetTotalHP());
  104. }
  105. CheckBuffs();
  106. // If run back distance is greater then 0 then run back
  107. if ((wasInCombat || m_body->m_runningBack) && run_back_distance > 1) {
  108. m_body->Runback();
  109. }
  110. else if (m_body->m_runningBack)
  111. {
  112. m_body->SetX(m_body->GetRunbackLocation()->x,false);
  113. m_body->SetZ(m_body->GetRunbackLocation()->z,false);
  114. m_body->SetY(m_body->GetRunbackLocation()->y,true);
  115. if (m_body->GetRunbackLocation()->gridid > 0)
  116. m_body->SetLocation(m_body->GetRunbackLocation()->gridid);
  117. m_body->ClearRunback();
  118. m_body->GetZone()->movementMgr->StopNavigation((Entity*)m_body);
  119. m_body->ClearRunningLocations();
  120. }
  121. // If encounter size is greater then 0 then clear it
  122. if (GetEncounterSize() > 0)
  123. ClearEncounter();
  124. }
  125. }
  126. }
  127. sint32 Brain::GetHate(Entity* entity) {
  128. // We will use this variable to return the value, default to 0
  129. sint32 ret = 0;
  130. // Lock the hate list, not altering it so do a read lock
  131. MHateList.readlock(__FUNCTION__, __LINE__);
  132. // First check to see if the given entity is even in the hate list
  133. if (m_hatelist.count(entity->GetID()) > 0)
  134. // Entity in the hate list so get the hate value for the entity
  135. ret = m_hatelist[entity->GetID()];
  136. // Unlock the hate list
  137. MHateList.releasereadlock(__FUNCTION__, __LINE__);
  138. // return the hate
  139. return ret;
  140. }
  141. void Brain::AddHate(Entity* entity, sint32 hate) {
  142. // do not aggro when running back, despite taking damage
  143. if (m_body->IsNPC() && ((NPC*)m_body)->m_runningBack)
  144. return;
  145. // Lock the hate list, we are altering the list so use write lock
  146. MHateList.writelock(__FUNCTION__, __LINE__);
  147. if (m_hatelist.count(entity->GetID()) > 0)
  148. m_hatelist[entity->GetID()] += hate;
  149. else
  150. m_hatelist.insert(std::pair<int32, sint32>(entity->GetID(), hate));
  151. if (entity->HatedBy.count(m_body->GetID()) == 0)
  152. entity->HatedBy.insert(m_body->GetID());
  153. // Unlock the list
  154. MHateList.releasewritelock(__FUNCTION__, __LINE__);
  155. }
  156. void Brain::ClearHate() {
  157. // Lock the hate list, we are altering the list so use a write lock
  158. MHateList.writelock(__FUNCTION__, __LINE__);
  159. map<int32, sint32>::iterator itr;
  160. for (itr = m_hatelist.begin(); itr != m_hatelist.end(); itr++) {
  161. Spawn* spawn = m_body->GetZone()->GetSpawnByID(itr->first);
  162. if (spawn && spawn->IsEntity())
  163. ((Entity*)spawn)->HatedBy.erase(itr->first);
  164. }
  165. // Clear the list
  166. m_hatelist.clear();
  167. // Unlock the hate list
  168. MHateList.releasewritelock(__FUNCTION__, __LINE__);
  169. }
  170. void Brain::ClearHate(Entity* entity) {
  171. // Lock the hate list, we could potentially modify the list so use write lock
  172. MHateList.writelock(__FUNCTION__, __LINE__);
  173. // Check to see if the given entity is in the hate list
  174. if (m_hatelist.count(entity->GetID()) > 0)
  175. // Erase the entity from the hate list
  176. m_hatelist.erase(entity->GetID());
  177. entity->HatedBy.erase(m_body->GetID());
  178. // Unlock the hate list
  179. MHateList.releasewritelock(__FUNCTION__, __LINE__);
  180. }
  181. Entity* Brain::GetMostHated() {
  182. map<int32, sint32>::iterator itr;
  183. int32 ret = 0;
  184. sint32 hate = 0;
  185. // Lock the hate list, not going to alter it so use a read lock
  186. MHateList.readlock(__FUNCTION__, __LINE__);
  187. if (m_hatelist.size() > 0) {
  188. // Loop through the list looking for the entity that this NPC hates the most
  189. for(itr = m_hatelist.begin(); itr != m_hatelist.end(); itr++) {
  190. // Compare the hate value for the current iteration to our stored highest value
  191. if(itr->second > hate) {
  192. // New high value store the entity
  193. ret = itr->first;
  194. // Store the value to compare with the rest of the entities
  195. hate = itr->second;
  196. }
  197. }
  198. }
  199. // Unlock the list
  200. MHateList.releasereadlock(__FUNCTION__, __LINE__);
  201. Entity* hated = (Entity*)GetBody()->GetZone()->GetSpawnByID(ret);
  202. // Check the reult to see if it is still alive
  203. if(hated && hated->GetHP() <= 0) {
  204. // Entity we got was dead so remove it from the list
  205. ClearHate(hated);
  206. // Call this function again now that we removed the dead entity
  207. hated = GetMostHated();
  208. }
  209. // Return our result
  210. return hated;
  211. }
  212. sint8 Brain::GetHatePercentage(Entity* entity) {
  213. float percentage = 0.0;
  214. MHateList.readlock(__FUNCTION__, __LINE__);
  215. if (entity && m_hatelist.count(entity->GetID()) > 0 && m_hatelist[entity->GetID()] > 0) {
  216. sint32 total_hate = 0;
  217. map<int32, sint32>::iterator itr;
  218. for (itr = m_hatelist.begin(); itr != m_hatelist.end(); itr++)
  219. total_hate += itr->second;
  220. percentage = m_hatelist[entity->GetID()] / total_hate;
  221. }
  222. MHateList.releasereadlock(__FUNCTION__, __LINE__);
  223. return (sint8)(percentage * 100);
  224. }
  225. vector<Entity*>* Brain::GetHateList() {
  226. vector<Entity*>* ret = new vector<Entity*>;
  227. map<int32, sint32>::iterator itr;
  228. // Lock the list
  229. MHateList.readlock(__FUNCTION__, __LINE__);
  230. // Loop over the list storing the values into the new list
  231. for (itr = m_hatelist.begin(); itr != m_hatelist.end(); itr++) {
  232. Entity* ent = (Entity*)GetBody()->GetZone()->GetSpawnByID(itr->first);
  233. if (ent)
  234. ret->push_back(ent);
  235. }
  236. // Unlock the list
  237. MHateList.releasereadlock(__FUNCTION__, __LINE__);
  238. // Return the copy of the list
  239. return ret;
  240. }
  241. void Brain::MoveCloser(Entity* target) {
  242. if (target && m_body->GetFollowTarget() != target)
  243. m_body->SetFollowTarget(target);
  244. if (m_body->GetFollowTarget() && !m_body->following) {
  245. m_body->CalculateRunningLocation(true);
  246. //m_body->ClearRunningLocations();
  247. m_body->following = true;
  248. }
  249. }
  250. bool Brain::ProcessSpell(Entity* target, float distance) {
  251. if(rand()%100 > m_body->GetCastPercentage() || m_body->IsStifled() || m_body->IsFeared())
  252. return false;
  253. Spell* spell = m_body->GetNextSpell(distance);
  254. if(spell){
  255. Spawn* spell_target = 0;
  256. if(spell->GetSpellData()->friendly_spell == 1){
  257. vector<Spawn*>* group = m_body->GetSpawnGroup();
  258. if(group && group->size() > 0){
  259. vector<Spawn*>::iterator itr;
  260. for(itr = group->begin(); itr != group->end(); itr++){
  261. if((!spell_target && (*itr)->GetHP() > 0 && (*itr)->GetHP() < (*itr)->GetTotalHP()) || (spell_target && (*itr)->GetHP() > 0 && spell_target->GetHP() > (*itr)->GetHP()))
  262. spell_target = *itr;
  263. }
  264. }
  265. if(!spell_target)
  266. spell_target = m_body;
  267. safe_delete(group);
  268. }
  269. else
  270. spell_target = target;
  271. m_body->GetZone()->ProcessSpell(spell, m_body, spell_target);
  272. m_spellRecovery = (int32)(Timer::GetCurrentTime2() + (spell->GetSpellData()->cast_time * 10) + (spell->GetSpellData()->recovery * 10) + 2000);
  273. return true;
  274. }
  275. return false;
  276. }
  277. bool Brain::CheckBuffs() {
  278. if (!m_body->GetZone()->GetSpellProcess() || m_body->EngagedInCombat() || m_body->IsCasting() || m_body->IsMezzedOrStunned() || !m_body->Alive() || m_body->IsStifled() || !HasRecovered())
  279. return false;
  280. Spell* spell = m_body->GetNextBuffSpell();
  281. if (spell) {
  282. m_body->CalculateRunningLocation(true);
  283. m_body->GetZone()->ProcessSpell(spell, m_body, m_body);
  284. m_spellRecovery = (int32)(Timer::GetCurrentTime2() + (spell->GetSpellData()->cast_time * 10) + (spell->GetSpellData()->recovery * 10) + 2000);
  285. return true;
  286. }
  287. return false;
  288. }
  289. void Brain::ProcessMelee(Entity* target, float distance) {
  290. if(distance > rule_manager.GetGlobalRule(R_Combat, MaxCombatRange)->GetFloat())
  291. MoveCloser(target);
  292. else {
  293. if (target) {
  294. LogWrite(NPC_AI__DEBUG, 7, "NPC_AI", "%s is within melee range of %s.", m_body->GetName(), target->GetName());
  295. if (m_body->AttackAllowed(target)) {
  296. LogWrite(NPC_AI__DEBUG, 7, "NPC_AI", "%s is allowed to attack %s.", m_body->GetName(), target->GetName());
  297. if (m_body->PrimaryWeaponReady() && !m_body->IsDazed() && !m_body->IsFeared()) {
  298. LogWrite(NPC_AI__DEBUG, 7, "NPC_AI", "%s swings its primary weapon at %s.", m_body->GetName(), target->GetName());
  299. m_body->SetPrimaryLastAttackTime(Timer::GetCurrentTime2());
  300. m_body->MeleeAttack(target, distance, true);
  301. m_body->GetZone()->CallSpawnScript(m_body, SPAWN_SCRIPT_AUTO_ATTACK_TICK, target);
  302. }
  303. if (m_body->SecondaryWeaponReady() && !m_body->IsDazed()) {
  304. m_body->SetSecondaryLastAttackTime(Timer::GetCurrentTime2());
  305. m_body->MeleeAttack(target, distance, false);
  306. }
  307. }
  308. }
  309. }
  310. }
  311. bool Brain::HasRecovered() {
  312. if(m_spellRecovery > Timer::GetCurrentTime2())
  313. return false;
  314. m_spellRecovery = 0;
  315. return true;
  316. }
  317. void Brain::AddToEncounter(Entity* entity) {
  318. // If player pet then set the entity to the pets owner
  319. if (entity->IsPet() && ((NPC*)entity)->GetOwner()->IsPlayer())
  320. entity = ((NPC*)entity)->GetOwner();
  321. // If player or bot then get the group
  322. int32 group_id = 0;
  323. if (entity->IsPlayer() || entity->IsBot()) {
  324. m_playerInEncounter = true;
  325. if (entity->GetGroupMemberInfo())
  326. group_id = entity->GetGroupMemberInfo()->group_id;
  327. }
  328. // Insert the entity into the encounter list, if there is a group add all group members as well
  329. // TODO: add raid members
  330. MEncounter.writelock(__FUNCTION__, __LINE__);
  331. if (group_id > 0) {
  332. world.GetGroupManager()->GroupLock(__FUNCTION__, __LINE__);
  333. deque<GroupMemberInfo*>::iterator itr;
  334. PlayerGroup* group = world.GetGroupManager()->GetGroup(group_id);
  335. if (group)
  336. {
  337. group->MGroupMembers.readlock(__FUNCTION__, __LINE__);
  338. deque<GroupMemberInfo*>* members = group->GetMembers();
  339. for (itr = members->begin(); itr != members->end(); itr++) {
  340. if ((*itr)->client)
  341. {
  342. m_encounter.push_back((*itr)->client->GetPlayer()->GetID());
  343. m_encounter_playerlist.insert(make_pair((*itr)->client->GetPlayer()->GetCharacterID(), (*itr)->client->GetPlayer()->GetID()));
  344. }
  345. }
  346. group->MGroupMembers.releasereadlock(__FUNCTION__, __LINE__);
  347. }
  348. world.GetGroupManager()->ReleaseGroupLock(__FUNCTION__, __LINE__);
  349. }
  350. else {
  351. m_encounter.push_back(entity->GetID());
  352. if (entity->IsPlayer())
  353. {
  354. Player* plyr = (Player*)entity;
  355. m_encounter_playerlist.insert(make_pair(plyr->GetCharacterID(), entity->GetID()));
  356. }
  357. }
  358. MEncounter.releasewritelock(__FUNCTION__, __LINE__);
  359. }
  360. bool Brain::CheckLootAllowed(Entity* entity) {
  361. bool ret = false;
  362. vector<int32>::iterator itr;
  363. // Check the encounter list to see if the given entity is in it, if so return true.
  364. MEncounter.readlock(__FUNCTION__, __LINE__);
  365. if (entity->IsPlayer())
  366. {
  367. Player* plyr = (Player*)entity;
  368. map<int32, int32>::iterator itr = m_encounter_playerlist.find(plyr->GetCharacterID());
  369. if (itr != m_encounter_playerlist.end())
  370. {
  371. MEncounter.releasereadlock(__FUNCTION__, __LINE__);
  372. return true;
  373. }
  374. MEncounter.releasereadlock(__FUNCTION__, __LINE__);
  375. return false;
  376. }
  377. for (itr = m_encounter.begin(); itr != m_encounter.end(); itr++) {
  378. if ((*itr) == entity->GetID()) {
  379. // found the entity in the encounter list, set return value to true and break the loop
  380. ret = true;
  381. break;
  382. }
  383. }
  384. MEncounter.releasereadlock(__FUNCTION__, __LINE__);
  385. return ret;
  386. }
  387. int8 Brain::GetEncounterSize() {
  388. int8 ret = 0;
  389. MEncounter.readlock(__FUNCTION__, __LINE__);
  390. ret = (int8)m_encounter.size();
  391. MEncounter.releasereadlock(__FUNCTION__, __LINE__);
  392. return ret;
  393. }
  394. vector<int32>* Brain::GetEncounter() {
  395. vector<int32>* ret = new vector<int32>;
  396. vector<int32>::iterator itr;
  397. // Lock the list
  398. MEncounter.readlock(__FUNCTION__, __LINE__);
  399. // Loop over the list storing the values into the new list
  400. for (itr = m_encounter.begin(); itr != m_encounter.end(); itr++)
  401. ret->push_back(*itr);
  402. // Unlock the list
  403. MEncounter.releasereadlock(__FUNCTION__, __LINE__);
  404. // Return the copy of the list
  405. return ret;
  406. }
  407. void Brain::ClearEncounter() {
  408. MEncounter.writelock(__FUNCTION__, __LINE__);
  409. m_encounter.clear();
  410. m_encounter_playerlist.clear();
  411. m_playerInEncounter = false;
  412. MEncounter.releasewritelock(__FUNCTION__, __LINE__);
  413. }
  414. /* Example of how to extend the default AI */
  415. CombatPetBrain::CombatPetBrain(NPC* body) : Brain(body) {
  416. // Make sure to have the " : Brain(body)" so it calls the parent class constructor
  417. // to set up the AI properly
  418. }
  419. CombatPetBrain::~CombatPetBrain() {
  420. }
  421. void CombatPetBrain::Think() {
  422. // We are extending the base brain so make sure to call the parent Think() function.
  423. // If we want to override then we could remove Brain::Think()
  424. Brain::Think();
  425. // All this Brain does is make the pet follow its owner, the combat comes from the default brain
  426. if (GetBody()->EngagedInCombat() || !GetBody()->IsPet() || GetBody()->IsMezzedOrStunned())
  427. return;
  428. LogWrite(NPC_AI__DEBUG, 7, "NPC_AI", "Pet AI code called for %s", GetBody()->GetName());
  429. // If owner is a player and player has stay set then return out
  430. if (GetBody()->GetOwner()->IsPlayer() && ((Player*)GetBody()->GetOwner())->GetInfoStruct()->pet_movement == 1)
  431. return;
  432. // Set target to owner
  433. Entity* target = GetBody()->GetOwner();
  434. GetBody()->SetTarget(target);
  435. // Get distance from the owner
  436. float distance = GetBody()->GetDistance(target);
  437. // If out of melee range then move closer
  438. if (distance > rule_manager.GetGlobalRule(R_Combat, MaxCombatRange)->GetFloat())
  439. MoveCloser(target);
  440. }
  441. /* Example of how to override the default AI */
  442. NonCombatPetBrain::NonCombatPetBrain(NPC* body) : Brain(body) {
  443. // Make sure to have the " : Brain(body)" so it calls the parent class constructor
  444. // to set up the AI properly
  445. }
  446. NonCombatPetBrain::~NonCombatPetBrain() {
  447. }
  448. void NonCombatPetBrain::Think() {
  449. // All this Brain does is make the pet follow its owner
  450. if (!GetBody()->IsPet() || GetBody()->IsMezzedOrStunned())
  451. return;
  452. LogWrite(NPC_AI__DEBUG, 7, "NPC_AI", "Pet AI code called for %s", GetBody()->GetName());
  453. // Set target to owner
  454. Entity* target = GetBody()->GetOwner();
  455. GetBody()->SetTarget(target);
  456. // Get distance from the owner
  457. float distance = GetBody()->GetDistance(target);
  458. // If out of melee range then move closer
  459. if (distance > rule_manager.GetGlobalRule(R_Combat, MaxCombatRange)->GetFloat())
  460. MoveCloser(target);
  461. }
  462. BlankBrain::BlankBrain(NPC* body) : Brain(body) {
  463. // Make sure to have the " : Brain(body)" so it calls the parent class constructor
  464. // to set up the AI properly
  465. SetTick(50000);
  466. }
  467. BlankBrain::~BlankBrain() {
  468. }
  469. void BlankBrain::Think() {
  470. }
  471. LuaBrain::LuaBrain(NPC* body) : Brain(body) {
  472. }
  473. LuaBrain::~LuaBrain() {
  474. }
  475. void LuaBrain::Think() {
  476. if (!lua_interface)
  477. return;
  478. const char* script = GetBody()->GetSpawnScript();
  479. if(script) {
  480. if (!lua_interface->RunSpawnScript(script, "Think", GetBody(), GetBody()->GetTarget())) {
  481. lua_interface->LogError("LUA LuaBrain error: was unable to call the Think function in the spawn script (%s)", script);
  482. }
  483. }
  484. else {
  485. LogWrite(NPC_AI__ERROR, 0, "NPC_AI", "Lua brain set on a spawn that doesn't have a script...");
  486. }
  487. }
  488. DumbFirePetBrain::DumbFirePetBrain(NPC* body, Entity* target, int32 expire_time) : Brain(body) {
  489. m_expireTime = Timer::GetCurrentTime2() + expire_time;
  490. AddHate(target, INT_MAX);
  491. }
  492. DumbFirePetBrain::~DumbFirePetBrain() {
  493. }
  494. void DumbFirePetBrain::AddHate(Entity* entity, sint32 hate) {
  495. if (!GetMostHated())
  496. Brain::AddHate(entity, hate);
  497. }
  498. void DumbFirePetBrain::Think() {
  499. Entity* target = GetMostHated();
  500. if (target) {
  501. if (!GetBody()->IsMezzedOrStunned()) {
  502. // If the NPC is not in combat then put them in combat
  503. if (!GetBody()->EngagedInCombat()) {
  504. //GetBody()->ClearRunningLocations();
  505. GetBody()->CalculateRunningLocation(true);
  506. GetBody()->InCombat(true);
  507. }
  508. // Set the NPC's target to the most hated entity if it is not already.
  509. if (GetBody()->GetTarget() != target) {
  510. GetBody()->SetTarget(target);
  511. GetBody()->FaceTarget(target);
  512. }
  513. float distance = GetBody()->GetDistance(target);
  514. if(GetBody()->CheckLoS(target) && !GetBody()->IsCasting() && (!HasRecovered() || !ProcessSpell(target, distance))) {
  515. LogWrite(NPC_AI__DEBUG, 7, "NPC_AI", "%s is attempting melee on %s.", GetBody()->GetName(), target->GetName());
  516. GetBody()->FaceTarget(target);
  517. ProcessMelee(target, distance);
  518. }
  519. }
  520. }
  521. else {
  522. // No hated target or time expired, kill this mob
  523. if (GetBody()->GetHP() > 0) {
  524. GetBody()->KillSpawn(GetBody());
  525. LogWrite(NPC_AI__DEBUG, 7, "NPC AI", "Dumbfire being killed because there is no target.");
  526. }
  527. }
  528. if (Timer::GetCurrentTime2() > m_expireTime) {
  529. if (GetBody()->GetHP() > 0) {
  530. GetBody()->KillSpawn(GetBody());
  531. LogWrite(NPC_AI__DEBUG, 7, "NPC AI", "Dumbfire being killed because timer expired.");
  532. }
  533. }
  534. }