Combat.cpp 51 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 "Combat.h"
  17. #include "client.h"
  18. #include "../common/ConfigReader.h"
  19. #include "classes.h"
  20. #include "../common/debug.h"
  21. #include "../common/Log.h"
  22. #include "zoneserver.h"
  23. #include "Skills.h"
  24. #include "classes.h"
  25. #include "World.h"
  26. #include "LuaInterface.h"
  27. #include "Rules/Rules.h"
  28. #include "SpellProcess.h"
  29. #include "World.h"
  30. #include <math.h>
  31. extern Classes classes;
  32. extern ConfigReader configReader;
  33. extern MasterSkillList master_skill_list;
  34. extern RuleManager rule_manager;
  35. extern LuaInterface* lua_interface;
  36. extern World world;
  37. /* ******************************************************************************
  38. DamageSpawn() - Damage equation
  39. MeleeAttack() - Melee auto attacks
  40. RangeAttack() - Range auto attacks
  41. DetermineHit() - ToHit chance as well as defender parry / dodge / block / riposte
  42. CheckInterruptSpell() - Interrupt equations
  43. No mitigation equations yet
  44. ****************************************************************************** */
  45. /* New Combat code */
  46. bool Entity::PrimaryWeaponReady() {
  47. //Can only be ready if no ranged timer
  48. if (GetPrimaryLastAttackTime() == 0 || (Timer::GetCurrentTime2() >= (GetPrimaryLastAttackTime() + GetPrimaryAttackDelay()))) {
  49. if (GetRangeLastAttackTime() == 0 || Timer::GetCurrentTime2() >= (GetRangeLastAttackTime() + GetRangeAttackDelay()))
  50. return true;
  51. }
  52. return false;
  53. }
  54. bool Entity::SecondaryWeaponReady() {
  55. //Can only be ready if no ranged timer
  56. // if(IsDualWield() && (GetPrimaryLastAttackTime()
  57. if (IsDualWield() && (GetSecondaryLastAttackTime() == 0 || (Timer::GetCurrentTime2() >= (GetSecondaryLastAttackTime() + GetSecondaryAttackDelay())))) {
  58. if(GetRangeLastAttackTime() == 0 || Timer::GetCurrentTime2() >= (GetRangeLastAttackTime() + GetRangeAttackDelay()))
  59. return true;
  60. }
  61. return false;
  62. }
  63. bool Entity::RangeWeaponReady() {
  64. //Ranged can only be ready if no other attack timers are active
  65. if(GetRangeLastAttackTime() == 0 || (Timer::GetCurrentTime2() >= (GetRangeLastAttackTime() + GetRangeAttackDelay()))) {
  66. if((GetPrimaryLastAttackTime() == 0 || (Timer::GetCurrentTime2() >= (GetPrimaryLastAttackTime() + GetPrimaryAttackDelay()))) && (GetSecondaryLastAttackTime() == 0 || Timer::GetCurrentTime2() >= (GetSecondaryLastAttackTime() + GetSecondaryAttackDelay()))){
  67. if(!IsPlayer() || ((Player*)this)->GetRangeAttack()) {
  68. return true;
  69. }
  70. }
  71. }
  72. return false;
  73. }
  74. bool Entity::AttackAllowed(Entity* target, float distance, bool range_attack) {
  75. Entity* attacker = this;
  76. Client* client = 0;
  77. if(!target || IsMezzedOrStunned() || IsDazed()) {
  78. LogWrite(COMBAT__DEBUG, 3, "AttackAllowed", "Failed to attack: no target, mezzed, stunned or dazed");
  79. return false;
  80. }
  81. if (IsPlayer())
  82. client = GetZone()->GetClientBySpawn(this);
  83. if (IsPet())
  84. attacker = ((NPC*)this)->GetOwner();
  85. if (target->IsNPC() && ((NPC*)target)->IsPet()){
  86. if (((NPC*)target)->GetOwner())
  87. target = ((NPC*)target)->GetOwner();
  88. }
  89. if (attacker == target) {
  90. LogWrite(COMBAT__DEBUG, 3, "AttackAllowed", "Failed to attack: attacker tried to attack himself or his pet.");
  91. return false;
  92. }
  93. if (IsPlayer() && target->GetAttackable() == 0) {
  94. LogWrite(COMBAT__DEBUG, 3, "AttackAllowed", "Failed to attack: target is not attackable");
  95. return false;
  96. }
  97. if (IsPlayer() && target->IsBot()) {
  98. LogWrite(COMBAT__DEBUG, 3, "AttackAllowed", "Failed to attack: players are not allowed to attack bots");
  99. return false;
  100. }
  101. if (attacker->IsPlayer() && target->IsPlayer())
  102. {
  103. bool pvp_allowed = rule_manager.GetGlobalRule(R_PVP, AllowPVP)->GetBool();
  104. if (!pvp_allowed) {
  105. LogWrite(COMBAT__DEBUG, 3, "AttackAllowed", "Failed to attack: pvp is not allowed");
  106. return false;
  107. }
  108. else
  109. {
  110. sint32 pvpLevelRange = rule_manager.GetGlobalRule(R_PVP, LevelRange)->GetSInt32();
  111. int32 attackerLevel = attacker->GetLevel();
  112. int32 defenderLevel = target->GetLevel();
  113. if ((sint32)abs((sint32)attackerLevel - (sint32)defenderLevel) > pvpLevelRange)
  114. {
  115. LogWrite(COMBAT__DEBUG, 3, "AttackAllowed", "Failed to attack: pvp range of %i exceeded abs(%i-%i).", pvpLevelRange, attackerLevel, defenderLevel);
  116. return false;
  117. }
  118. }
  119. }
  120. if (target->GetHP() <= 0) {
  121. LogWrite(COMBAT__DEBUG, 3, "AttackAllowed", "Failed to attack: target is dead");
  122. return false;
  123. }
  124. if(range_attack && distance != 0) {
  125. Item* weapon = 0;
  126. Item* ammo = 0;
  127. if(attacker->IsPlayer()) {
  128. weapon = ((Player*)attacker)->GetEquipmentList()->GetItem(EQ2_RANGE_SLOT);
  129. ammo = ((Player*)attacker)->GetEquipmentList()->GetItem(EQ2_AMMO_SLOT);
  130. }
  131. if(weapon && weapon->IsRanged() && ammo && ammo->IsAmmo() && ammo->IsThrown()) {
  132. // Distance is less then min weapon range
  133. if(distance < weapon->ranged_info->range_low) {
  134. if (client)
  135. client->SimpleMessage(CHANNEL_GENERAL_COMBAT, "Your target is too close! Move back!");
  136. LogWrite(COMBAT__DEBUG, 3, "AttackAllowed", "Failed to attack: range attack, target to close");
  137. return false;
  138. }
  139. // Distance is greater then max weapon range
  140. if (distance > (weapon->ranged_info->range_high + ammo->thrown_info->range)) {
  141. if (client)
  142. client->SimpleMessage(CHANNEL_GENERAL_COMBAT, "Your target is too far away! Move closer!");
  143. LogWrite(COMBAT__DEBUG, 3, "AttackAllowed", "Failed to attack: range attack, target is to far");
  144. return false;
  145. }
  146. }
  147. }
  148. else if (distance != 0) {
  149. if(distance >= rule_manager.GetGlobalRule(R_Combat, MaxCombatRange)->GetFloat()) {
  150. LogWrite(COMBAT__DEBUG, 3, "AttackAllowed", "Failed to attack: distance is beyond melee range");
  151. return false;
  152. }
  153. }
  154. LogWrite(MISC__TODO, 3, "TODO", "Add more AttackAllowed calculations\n\t(%s, function: %s, line #: %i)", __FILE__, __FUNCTION__, __LINE__);
  155. return true;
  156. }
  157. void Entity::MeleeAttack(Spawn* victim, float distance, bool primary, bool multi_attack) {
  158. if(!victim)
  159. return;
  160. int8 damage_type = 0;
  161. int32 min_damage = 0;
  162. int32 max_damage = 0;
  163. if(primary) {
  164. damage_type = GetPrimaryWeaponType();
  165. min_damage = GetPrimaryWeaponMinDamage();
  166. max_damage = GetPrimaryWeaponMaxDamage();
  167. }
  168. else {
  169. damage_type = GetSecondaryWeaponType();
  170. min_damage = GetSecondaryWeaponMinDamage();
  171. max_damage = GetSecondaryWeaponMaxDamage();
  172. }
  173. if (IsStealthed() || IsInvis())
  174. CancelAllStealth();
  175. int8 hit_result = DetermineHit(victim, damage_type, 0, false);
  176. if(hit_result == DAMAGE_PACKET_RESULT_SUCCESSFUL){
  177. /*if(GetAdventureClass() == MONK){
  178. max_damage*=3;
  179. crit_chance = GetLevel()/4+5;
  180. }
  181. else if(GetAdventureClass() == BRUISER){
  182. min_damage = GetLevel();
  183. max_damage*=3;
  184. crit_chance = GetLevel()/3+5;
  185. }
  186. if(rand()%100 <=crit_chance){
  187. max_damage*= 2;
  188. DamageSpawn((Entity*)victim, DAMAGE_PACKET_TYPE_SIMPLE_CRIT_DMG, damage_type, min_damage, max_damage, 0);
  189. }
  190. else*/
  191. DamageSpawn((Entity*)victim, DAMAGE_PACKET_TYPE_SIMPLE_DAMAGE, damage_type, min_damage, max_damage, 0);
  192. if (!multi_attack) {
  193. CheckProcs(PROC_TYPE_OFFENSIVE, victim);
  194. CheckProcs(PROC_TYPE_PHYSICAL_OFFENSIVE, victim);
  195. }
  196. }
  197. else{
  198. GetZone()->SendDamagePacket(this, victim, DAMAGE_PACKET_TYPE_SIMPLE_DAMAGE, hit_result, damage_type, 0, 0);
  199. if(hit_result == DAMAGE_PACKET_RESULT_RIPOSTE && victim->IsEntity())
  200. ((Entity*)victim)->MeleeAttack(this, distance, true);
  201. }
  202. //Multi Attack roll
  203. if(!multi_attack){
  204. float multi_attack = info_struct.get_multi_attack();
  205. if(multi_attack > 0){
  206. float chance = multi_attack;
  207. if (multi_attack > 100){
  208. int8 automatic_multi = (int8)floor((float)(multi_attack / 100));
  209. chance = (multi_attack - (floor((float) ((multi_attack / 100) * 100))));
  210. while(automatic_multi > 0){
  211. MeleeAttack(victim, 100, primary, true);
  212. automatic_multi--;
  213. }
  214. }
  215. if (MakeRandomFloat(0, 100) <= chance)
  216. MeleeAttack(victim, 100, primary, true);
  217. }
  218. }
  219. //Apply attack speed mods
  220. if(!multi_attack)
  221. SetAttackDelay(primary);
  222. if(victim->IsNPC() && victim->EngagedInCombat() == false) {
  223. ((NPC*)victim)->AddHate(this, 50);
  224. }
  225. if (victim->IsEntity() && victim->GetHP() > 0 && ((Entity*)victim)->HasPet()) {
  226. Entity* pet = 0;
  227. bool AddHate = false;
  228. if (victim->IsPlayer()) {
  229. if (((Player*)victim)->GetInfoStruct()->get_pet_behavior() & 1)
  230. AddHate = true;
  231. }
  232. else
  233. AddHate = true;
  234. if (AddHate) {
  235. pet = ((Entity*)victim)->GetPet();
  236. if (pet)
  237. pet->AddHate(this, 1);
  238. pet = ((Entity*)victim)->GetCharmedPet();
  239. if (pet)
  240. pet->AddHate(this, 1);
  241. }
  242. }
  243. }
  244. void Entity::RangeAttack(Spawn* victim, float distance, Item* weapon, Item* ammo, bool multi_attack) {
  245. if(!victim)
  246. return;
  247. if(weapon && weapon->IsRanged() && ammo && ammo->IsAmmo() && ammo->IsThrown()) {
  248. if(weapon->ranged_info->range_low <= distance && (weapon->ranged_info->range_high + ammo->thrown_info->range) >= distance) {
  249. int8 hit_result = DetermineHit(victim, ammo->thrown_info->damage_type, ammo->thrown_info->hit_bonus, false);
  250. if(hit_result == DAMAGE_PACKET_RESULT_SUCCESSFUL) {
  251. DamageSpawn((Entity*)victim, DAMAGE_PACKET_TYPE_RANGE_DAMAGE, ammo->thrown_info->damage_type, weapon->ranged_info->weapon_info.damage_low3, weapon->ranged_info->weapon_info.damage_high3+ammo->thrown_info->damage_modifier, 0);
  252. if (!multi_attack) {
  253. CheckProcs(PROC_TYPE_OFFENSIVE, victim);
  254. CheckProcs(PROC_TYPE_PHYSICAL_OFFENSIVE, victim);
  255. }
  256. }
  257. else
  258. GetZone()->SendDamagePacket(this, victim, DAMAGE_PACKET_TYPE_RANGE_DAMAGE, hit_result, ammo->thrown_info->damage_type, 0, 0);
  259. // If is a player subtract ammo
  260. if (IsPlayer()) {
  261. if (ammo->details.count > 1) {
  262. ammo->details.count -= 1;
  263. ammo->save_needed = true;
  264. }
  265. else
  266. ((Player*)this)->equipment_list.RemoveItem(ammo->details.slot_id, true);
  267. Client* client = GetZone()->GetClientBySpawn(this);
  268. EQ2Packet* outapp = ((Player*)this)->GetEquipmentList()->serialize(client->GetVersion(), (Player*)this);
  269. if(outapp)
  270. client->QueuePacket(outapp);
  271. }
  272. if(victim->IsNPC() && victim->EngagedInCombat() == false) {
  273. ((NPC*)victim)->AddHate(this, 50);
  274. }
  275. if (victim->IsEntity() && victim->GetHP() > 0 && ((Entity*)victim)->HasPet()) {
  276. Entity* pet = 0;
  277. bool AddHate = false;
  278. if (victim->IsPlayer()) {
  279. if (((Player*)victim)->GetInfoStruct()->get_pet_behavior() & 1)
  280. AddHate = true;
  281. }
  282. else
  283. AddHate = true;
  284. if (AddHate) {
  285. pet = ((Entity*)victim)->GetPet();
  286. if (pet)
  287. pet->AddHate(this, 1);
  288. pet = ((Entity*)victim)->GetCharmedPet();
  289. if (pet)
  290. pet->AddHate(this, 1);
  291. }
  292. }
  293. // Check Ranged attack proc
  294. CheckProcs(PROC_TYPE_RANGED_ATTACK, victim);
  295. // Check Ranged defence proc
  296. if (victim->IsEntity())
  297. ((Entity*)victim)->CheckProcs(PROC_TYPE_RANGED_DEFENSE, this);
  298. SetRangeLastAttackTime(Timer::GetCurrentTime2());
  299. }
  300. }
  301. //Multi Attack roll
  302. if(!multi_attack){
  303. float multi_attack = info_struct.get_multi_attack();
  304. if(multi_attack > 0){
  305. float chance = multi_attack;
  306. if (multi_attack > 100){
  307. int8 automatic_multi = (int8)floor((float)(multi_attack / 100));
  308. chance = (multi_attack - (floor((float)(multi_attack / 100) * 100)));
  309. while(automatic_multi > 0){
  310. RangeAttack(victim, 100, weapon, ammo, true);
  311. automatic_multi--;
  312. }
  313. }
  314. if (MakeRandomFloat(0, 100) <= chance)
  315. RangeAttack(victim, 100, weapon, ammo, true);
  316. }
  317. }
  318. //Apply attack speed mods
  319. if(!multi_attack)
  320. SetAttackDelay(false, true);
  321. }
  322. bool Entity::SpellAttack(Spawn* victim, float distance, LuaSpell* luaspell, int8 damage_type, int32 low_damage, int32 high_damage, int8 crit_mod, bool no_calcs){
  323. if(!victim || !luaspell || !luaspell->spell)
  324. return false;
  325. Spell* spell = luaspell->spell;
  326. float bonus = 0;
  327. Skill* skill = nullptr;
  328. if(spell->GetSpellData()->resistibility > 0)
  329. bonus -= (1 - spell->GetSpellData()->resistibility)*100;
  330. skill = GetSkillByID(spell->GetSpellData()->mastery_skill, false);
  331. if(skill)
  332. bonus += skill->current_val / 25;
  333. int8 hit_result = 0;
  334. bool is_tick = false; // if spell is already active, this is a tick
  335. if (GetZone()->GetSpellProcess()->GetActiveSpells()->count(luaspell)){
  336. hit_result = DAMAGE_PACKET_RESULT_SUCCESSFUL;
  337. is_tick = true;
  338. }
  339. else if(spell->GetSpellData()->type == SPELL_BOOK_TYPE_COMBAT_ART)
  340. hit_result = DetermineHit(victim, damage_type, 0, false);
  341. else
  342. hit_result = DetermineHit(victim, damage_type, 0, true);
  343. if(hit_result == DAMAGE_PACKET_RESULT_SUCCESSFUL) {
  344. luaspell->last_spellattack_hit = true;
  345. //If this spell is a tick and has already crit, force the tick to crit
  346. if(is_tick){
  347. if(luaspell->crit)
  348. crit_mod = 1;
  349. else
  350. crit_mod = 2;
  351. }
  352. if(DamageSpawn((Entity*)victim, DAMAGE_PACKET_TYPE_SPELL_DAMAGE, damage_type, low_damage, high_damage, spell->GetName(), crit_mod, is_tick, no_calcs) && !luaspell->crit)
  353. luaspell->crit = true;
  354. CheckProcs(PROC_TYPE_OFFENSIVE, victim);
  355. CheckProcs(PROC_TYPE_MAGICAL_OFFENSIVE, victim);
  356. if(spell->GetSpellData()->success_message.length() > 0){
  357. Client* client = nullptr;
  358. if(IsPlayer())
  359. client = GetZone()->GetClientBySpawn(this);
  360. if(client){
  361. string success_message = spell->GetSpellData()->success_message;
  362. if(success_message.find("%t") < 0xFFFFFFFF)
  363. success_message.replace(success_message.find("%t"), 2, victim->GetName());
  364. client->Message(CHANNEL_YOU_CAST, success_message.c_str());
  365. //commented out the following line as it was causing a duplicate message EmemJR 5/4/2019
  366. //GetZone()->SendDamagePacket(this, victim, DAMAGE_PACKET_TYPE_SPELL_DAMAGE, hit_result, damage_type, 0, spell->GetName());
  367. }
  368. }
  369. if(spell->GetSpellData()->effect_message.length() > 0){
  370. string effect_message = spell->GetSpellData()->effect_message;
  371. if(effect_message.find("%t") < 0xFFFFFFFF)
  372. effect_message.replace(effect_message.find("%t"), 2, victim->GetName());
  373. GetZone()->SimpleMessage(CHANNEL_SPELLS, effect_message.c_str(), victim, 50);
  374. }
  375. }
  376. else {
  377. if(hit_result == DAMAGE_PACKET_RESULT_RESIST)
  378. luaspell->resisted = true;
  379. if(victim->IsNPC())
  380. ((NPC*)victim)->AddHate(this, 5);
  381. luaspell->last_spellattack_hit = false;
  382. GetZone()->SendDamagePacket(this, victim, DAMAGE_PACKET_TYPE_SPELL_DAMAGE, hit_result, damage_type, 0, spell->GetName());
  383. }
  384. if(EngagedInCombat() == false)
  385. {
  386. LogWrite(MISC__TODO, 1, "TODO", "//It would probably be better to add a column to the spells table for 'starts autoattack'\nfile: %s, func: %s, Line: %i", __FILE__, __FUNCTION__, __LINE__);
  387. int8 class1_ = GetInfoStruct()->get_class1();
  388. if(class1_ == COMMONER ||
  389. class1_ == FIGHTER ||
  390. class1_ == WARRIOR ||
  391. class1_ == GUARDIAN ||
  392. class1_ == BERSERKER ||
  393. class1_ == BRAWLER ||
  394. class1_ == MONK ||
  395. class1_ == BRUISER ||
  396. class1_ == CRUSADER ||
  397. class1_ == SHADOWKNIGHT ||
  398. class1_ == PALADIN ||
  399. class1_ == SCOUT ||
  400. class1_ == ROGUE ||
  401. class1_ == SWASHBUCKLER ||
  402. class1_ == BRIGAND ||
  403. class1_ == BARD ||
  404. class1_ == TROUBADOR ||
  405. class1_ == DIRGE ||
  406. class1_ == PREDATOR ||
  407. class1_ == RANGER ||
  408. class1_ == ASSASSIN ||
  409. class1_ == ANIMALIST ||
  410. class1_ == BEASTLORD ||
  411. class1_ == SHAPER ||
  412. class1_ == CHANNELER) //note: it would probably be better to add a column to the spells table for "starts autoattack".
  413. {
  414. if (victim->IsNPC())
  415. ((NPC*)victim)->AddHate(this, 5);
  416. else
  417. InCombat(true);
  418. }
  419. }
  420. if (victim->IsEntity() && victim->GetHP() > 0 && ((Entity*)victim)->HasPet()) {
  421. Entity* pet = 0;
  422. bool AddHate = false;
  423. if (victim->IsPlayer()) {
  424. if (((Player*)victim)->GetInfoStruct()->get_pet_behavior() & 1)
  425. AddHate = true;
  426. }
  427. else
  428. AddHate = true;
  429. if (AddHate) {
  430. pet = ((Entity*)victim)->GetPet();
  431. if (pet)
  432. pet->AddHate(this, 1);
  433. pet = ((Entity*)victim)->GetCharmedPet();
  434. if (pet)
  435. pet->AddHate(this, 1);
  436. }
  437. }
  438. return true;
  439. }
  440. bool Entity::ProcAttack(Spawn* victim, int8 damage_type, int32 low_damage, int32 high_damage, string name, string success_msg, string effect_msg) {
  441. int8 hit_result = DetermineHit(victim, damage_type, 0, true);
  442. if (hit_result == DAMAGE_PACKET_RESULT_SUCCESSFUL) {
  443. DamageSpawn((Entity*)victim, DAMAGE_PACKET_TYPE_SPELL_DAMAGE, damage_type, low_damage, high_damage, name.c_str());
  444. if (success_msg.length() > 0) {
  445. Client* client = 0;
  446. if(IsPlayer())
  447. client = GetZone()->GetClientBySpawn(this);
  448. if(client) {
  449. if(success_msg.find("%t") < 0xFFFFFFFF)
  450. success_msg.replace(success_msg.find("%t"), 2, victim->GetName());
  451. client->Message(CHANNEL_YOU_CAST, success_msg.c_str());
  452. }
  453. }
  454. if (effect_msg.length() > 0) {
  455. if(effect_msg.find("%t") < 0xFFFFFFFF)
  456. effect_msg.replace(effect_msg.find("%t"), 2, victim->GetName());
  457. GetZone()->SimpleMessage(CHANNEL_SPELLS, effect_msg.c_str(), victim, 50);
  458. }
  459. }
  460. else {
  461. if(victim->IsNPC())
  462. ((NPC*)victim)->AddHate(this, 5);
  463. GetZone()->SendDamagePacket(this, victim, DAMAGE_PACKET_TYPE_SPELL_DAMAGE, hit_result, damage_type, 0, name.c_str());
  464. }
  465. if (victim->IsEntity() && victim->GetHP() > 0 && ((Entity*)victim)->HasPet()) {
  466. Entity* pet = 0;
  467. bool AddHate = false;
  468. if (victim->IsPlayer()) {
  469. if (((Player*)victim)->GetInfoStruct()->get_pet_behavior() & 1)
  470. AddHate = true;
  471. }
  472. else
  473. AddHate = true;
  474. if (AddHate) {
  475. pet = ((Entity*)victim)->GetPet();
  476. if (pet)
  477. pet->AddHate(this, 1);
  478. pet = ((Entity*)victim)->GetCharmedPet();
  479. if (pet)
  480. pet->AddHate(this, 1);
  481. }
  482. }
  483. return true;
  484. }
  485. // this is used exclusively by LUA, heal_type is forced lower case via boost::lower(heal_type); in the LUA Functions used by this
  486. bool Entity::SpellHeal(Spawn* target, float distance, LuaSpell* luaspell, string heal_type, int32 low_heal, int32 high_heal, int8 crit_mod, bool no_calcs, string custom_spell_name){
  487. if(!target || !luaspell || !luaspell->spell)
  488. return false;
  489. if (!target->Alive())
  490. return false;
  491. if (target->GetHP() == target->GetTotalHP())
  492. return true;
  493. int32 heal_amt = 0;
  494. bool crit = false;
  495. if(high_heal < low_heal)
  496. high_heal = low_heal;
  497. if(high_heal == low_heal)
  498. heal_amt = high_heal;
  499. else
  500. heal_amt = MakeRandomInt(low_heal, high_heal);
  501. if(!no_calcs){
  502. // if spell is already active, this is a tick
  503. bool is_tick = GetZone()->GetSpellProcess()->GetActiveSpells()->count(luaspell);
  504. //if is a tick and the spell has crit, force crit, else disable
  505. if(is_tick){
  506. if(luaspell->crit)
  507. crit_mod = 1;
  508. else
  509. crit_mod = 2;
  510. }
  511. if (heal_amt > 0){
  512. //int32 base_roll = heal_amt;
  513. //potency mod
  514. MStats.lock();
  515. heal_amt *= (stats[ITEM_STAT_POTENCY] / 100 + 1);
  516. MStats.unlock();
  517. //primary stat mod, insert forula here when done
  518. //heal_amt += base_roll * (GetPrimaryStat()
  519. //Ability Modifier can only be up to half of base roll + potency and primary stat bonus
  520. heal_amt += (int32)min(info_struct.get_ability_modifier(), (float)(heal_amt / 2));
  521. }
  522. if(!crit_mod || crit_mod == 1){
  523. if(crit_mod == 1)
  524. crit = true;
  525. else {
  526. // Crit Roll
  527. float chance = max((float)0, info_struct.get_crit_chance());
  528. crit = (MakeRandomFloat(0, 100) <= chance);
  529. }
  530. if(crit){
  531. //Apply total crit multiplier with crit bonus
  532. heal_amt *= (info_struct.get_crit_bonus() / 100) + 1.3;
  533. if(luaspell->spell)
  534. luaspell->crit = true;
  535. }
  536. }
  537. }
  538. int16 type = 0;
  539. if (heal_type == "heal") {
  540. if(crit)
  541. type = HEAL_PACKET_TYPE_CRIT_HEAL;
  542. else
  543. type = HEAL_PACKET_TYPE_SIMPLE_HEAL;
  544. //apply heal
  545. if (target->GetHP() + (sint32)heal_amt > target->GetTotalHP())
  546. heal_amt = target->GetTotalHP() - target->GetHP();
  547. target->SetHP(target->GetHP() + heal_amt);
  548. /*
  549. if (target->GetHP() + (sint32)heal_amt > target->GetTotalHP())
  550. target->SetHP(target->GetTotalHP());
  551. else
  552. target->SetHP(target->GetHP() + heal_amt);
  553. */
  554. }
  555. else if (heal_type == "power"){
  556. if(crit)
  557. type = HEAL_PACKET_TYPE_CRIT_MANA;
  558. else
  559. type = HEAL_PACKET_TYPE_SIMPLE_MANA;
  560. //give power
  561. if (target->GetPower() + (sint32)heal_amt > target->GetTotalPower())
  562. heal_amt = target->GetTotalPower() - target->GetPower();
  563. target->SetPower(GetPower() + heal_amt);
  564. /*
  565. if (target->GetPower() + (sint32)heal_amt > target->GetTotalPower())
  566. target->SetPower(target->GetTotalPower());
  567. else
  568. target->SetPower(GetPower() + heal_amt);
  569. */
  570. }
  571. /*else if (heal_type == "Savagery"){
  572. if(crit)
  573. type = HEAL_PACKET_TYPE_CRIT_SAVAGERY;
  574. else
  575. type = HEAL_PACKET_TYPE_SAVAGERY;
  576. }
  577. else if (heal_type == "Repair"){
  578. if(crit)
  579. type = HEAL_PACKET_TYPE_CRIT_REPAIR;
  580. else
  581. type = HEAL_PACKET_TYPE_REPAIR;
  582. }*/
  583. else{ //default to heal if type cannot be determined
  584. if(crit)
  585. type = HEAL_PACKET_TYPE_CRIT_HEAL;
  586. else
  587. type = HEAL_PACKET_TYPE_SIMPLE_HEAL;
  588. if (target->GetHP() + (sint32)heal_amt > target->GetTotalHP())
  589. heal_amt = target->GetTotalHP() - target->GetHP();
  590. target->SetHP(target->GetHP() + heal_amt);
  591. /*
  592. if (target->GetHP() + (sint32)heal_amt > target->GetTotalHP())
  593. target->SetHP(target->GetTotalHP());
  594. else
  595. target->SetHP(target->GetHP() + heal_amt);
  596. */
  597. }
  598. target->GetZone()->TriggerCharSheetTimer();
  599. if (heal_amt > 0)
  600. GetZone()->SendHealPacket(this, target, type, heal_amt, custom_spell_name.length() > 0 ? (char*)custom_spell_name.c_str() : luaspell->spell->GetName());
  601. CheckProcs(PROC_TYPE_HEALING, target);
  602. CheckProcs(PROC_TYPE_BENEFICIAL, target);
  603. if (target->IsEntity()) {
  604. int32 hate_amt = heal_amt / 2;
  605. set<int32>::iterator itr;
  606. ((Entity*)target)->MHatedBy.lock();
  607. for (itr = ((Entity*)target)->HatedBy.begin(); itr != ((Entity*)target)->HatedBy.end(); itr++) {
  608. Spawn* spawn = GetZone()->GetSpawnByID(*itr);
  609. if (spawn && spawn->IsEntity() && target != this) {
  610. ((Entity*)spawn)->AddHate(this, hate_amt);
  611. }
  612. }
  613. ((Entity*)target)->MHatedBy.unlock();
  614. }
  615. return true;
  616. }
  617. int8 Entity::DetermineHit(Spawn* victim, int8 damage_type, float ToHitBonus, bool spell){
  618. if(!victim) {
  619. return DAMAGE_PACKET_RESULT_MISS;
  620. }
  621. if(victim->GetInvulnerable()) {
  622. return DAMAGE_PACKET_RESULT_INVULNERABLE;
  623. }
  624. bool behind = false;
  625. // Monk added with Brawler to 360 degree support per KoS Prima Official eGuide Fighter: Monk, pg 138, denoted '360-Degree Avoidance!'
  626. if(!victim->IsEntity() || (!spell && victim->GetAdventureClass() != BRAWLER && victim->GetAdventureClass() != MONK && (behind = BehindTarget(victim)))) {
  627. return DAMAGE_PACKET_RESULT_SUCCESSFUL;
  628. }
  629. float bonus = ToHitBonus;
  630. Skill* skill = GetSkillByWeaponType(damage_type, true);
  631. float skillAddedByWeapon = 0.0f;
  632. if(skill)
  633. {
  634. int16 skillID = master_item_list.GetItemStatIDByName(skill->name.data);
  635. if(skillID != 0xFFFFFFFF)
  636. {
  637. MStats.lock();
  638. skillAddedByWeapon = stats[skillID];
  639. MStats.unlock();
  640. }
  641. }
  642. if (skill)
  643. bonus += (skill->current_val+skillAddedByWeapon) / 25;
  644. if (victim->IsEntity())
  645. bonus -= ((Entity*)victim)->GetDamageTypeResistPercentage(damage_type);
  646. Entity* entity_victim = (Entity*)victim;
  647. float chance = 80 + bonus; //80% base chance that the victim will get hit (plus bonus)
  648. sint16 roll_chance = 100;
  649. if(skill)
  650. roll_chance -= skill->current_val / 25;
  651. if(!spell){ // melee or range attack
  652. skill = GetSkillByName("Offense", true); //add this skill for NPCs
  653. if(skill)
  654. roll_chance -= skill->current_val / 25;
  655. if(entity_victim->IsImmune(IMMUNITY_TYPE_RIPOSTE))
  656. return DAMAGE_PACKET_RESULT_RIPOSTE;
  657. // Avoidance Instructions: https://forums.daybreakgames.com/eq2/index.php?threads/avoidance-faq.482979/
  658. /*Parry: reads as parry in the avoidance tooltip, increased by items with +parry on them
  659. Caps at 70%. For plate tanks, works in the front quadrant only, for brawlers this is 360 degrees.
  660. A small % of parries will be ripostes, which not only avoid the attack but also damage your attacker
  661. */
  662. skill = entity_victim->GetSkillByName("Parry", true);
  663. if(skill){
  664. float parryChance = entity_victim->GetInfoStruct()->get_parry();
  665. float chanceValue = (100.0f - parryChance);
  666. if(rand()%roll_chance >= chanceValue){ //successful parry
  667. /* You may only riposte things in the front quadrant.
  668. Riposte is based off of parry: a certain % of parries turn into ripostes.
  669. */
  670. if(!behind && victim->InFrontSpawn((Spawn*)this, victim->GetX(), victim->GetZ())) { // if the attacker is not behind the victim, and the victim is facing the attacker (in front of spawn) then we can riposte
  671. float riposteChanceValue = parryChance / 7.0f; // Riposte is based off of parry: a certain % of parries turn into ripostes. Unknown what the value is divided by, 7 to make it 10% even.
  672. if(rand()%100 <= riposteChanceValue) {
  673. entity_victim->CheckProcs(PROC_TYPE_RIPOSTE, this);
  674. return DAMAGE_PACKET_RESULT_RIPOSTE;
  675. }
  676. }
  677. entity_victim->CheckProcs(PROC_TYPE_PARRY, this);
  678. return DAMAGE_PACKET_RESULT_PARRY;
  679. }
  680. }
  681. skill = nullptr;
  682. float blockChance = 0.0f;
  683. if(victim->GetAdventureClass() == BRAWLER)
  684. skill = entity_victim->GetSkillByName("Deflection", true);
  685. blockChance = entity_victim->GetInfoStruct()->get_block();
  686. if(blockChance > 0.0f)
  687. {
  688. blockChance += (blockChance*(entity_victim->GetInfoStruct()->get_block_chance()/100.0f));
  689. float chanceValue = (100.0f - blockChance);
  690. /* Non-brawlers may only block things in the front quadrant.
  691. Riposte is based off of parry: a certain % of parries turn into ripostes.
  692. */
  693. float rnd = rand()%roll_chance;
  694. if(rnd >= chanceValue){ //successful block
  695. if((victim->GetAdventureClass() == BRAWLER || victim->GetAdventureClass() == MONK) || (!behind && victim->InFrontSpawn((Spawn*)this, victim->GetX(), victim->GetZ()))) { // if the attacker is not behind the victim, and the victim is facing the attacker (in front of spawn) then we can block
  696. entity_victim->CheckProcs(PROC_TYPE_BLOCK, this);
  697. return (victim->GetAdventureClass() == BRAWLER) ? DAMAGE_PACKET_RESULT_DEFLECT : DAMAGE_PACKET_RESULT_BLOCK;
  698. }
  699. }
  700. }
  701. skill = entity_victim->GetSkillByName("Defense", true);
  702. float dodgeChance = entity_victim->GetInfoStruct()->get_avoidance_base();
  703. if(dodgeChance > 0.0f)
  704. {
  705. float chanceValue = (100.0f - dodgeChance);
  706. float rnd = rand()%roll_chance;
  707. if(rnd >= chanceValue){ //successful dodge
  708. entity_victim->CheckProcs(PROC_TYPE_EVADE, this);
  709. return DAMAGE_PACKET_RESULT_DODGE;//successfully dodged
  710. }
  711. }
  712. if(rand() % roll_chance >= chance)
  713. return DAMAGE_PACKET_RESULT_MISS; //successfully avoided
  714. }
  715. else{
  716. skill = entity_victim->GetSkillByName("Spell Avoidance", true);
  717. if(skill)
  718. chance -= skill->current_val / 25;
  719. if(rand()%roll_chance >= chance) {
  720. return DAMAGE_PACKET_RESULT_RESIST; //successfully resisted
  721. }
  722. }
  723. return DAMAGE_PACKET_RESULT_SUCCESSFUL;
  724. }
  725. float Entity::GetDamageTypeResistPercentage(int8 damage_type) {
  726. float ret = 1;
  727. switch(damage_type) {
  728. case DAMAGE_PACKET_DAMAGE_TYPE_CRUSH:
  729. case DAMAGE_PACKET_DAMAGE_TYPE_PIERCE:
  730. case DAMAGE_PACKET_DAMAGE_TYPE_SLASH: {
  731. Skill* skill = GetSkillByName("Defense", true);
  732. if(skill)
  733. ret += skill->current_val / 25;
  734. if(IsNPC())
  735. LogWrite(COMBAT__DEBUG, 3, "Combat", "DamageType: Crush/Pierce/Slash (%i)", damage_type, ret);
  736. break;
  737. }
  738. case DAMAGE_PACKET_DAMAGE_TYPE_HEAT: {
  739. ret += GetInfoStruct()->get_heat() / 50;
  740. LogWrite(COMBAT__DEBUG, 3, "Combat", "DamageType: Heat (%i), Amt: %.2f", damage_type, ret);
  741. break;
  742. }
  743. case DAMAGE_PACKET_DAMAGE_TYPE_COLD: {
  744. ret += GetInfoStruct()->get_cold() / 50;
  745. LogWrite(COMBAT__DEBUG, 3, "Combat", "DamageType: Cold (%i), Amt: %.2f", damage_type, ret);
  746. break;
  747. }
  748. case DAMAGE_PACKET_DAMAGE_TYPE_MAGIC: {
  749. ret += GetInfoStruct()->get_magic() / 50;
  750. LogWrite(COMBAT__DEBUG, 3, "Combat", "DamageType: Magic (%i), Amt: %.2f", damage_type, ret);
  751. break;
  752. }
  753. case DAMAGE_PACKET_DAMAGE_TYPE_MENTAL: {
  754. ret += GetInfoStruct()->get_mental() / 50;
  755. LogWrite(COMBAT__DEBUG, 3, "Combat", "DamageType: Mental (%i), Amt: %.2f", damage_type, ret);
  756. break;
  757. }
  758. case DAMAGE_PACKET_DAMAGE_TYPE_DIVINE: {
  759. ret += GetInfoStruct()->get_divine() / 50;
  760. LogWrite(COMBAT__DEBUG, 3, "Combat", "DamageType: Divine (%i), Amt: %.2f", damage_type, ret);
  761. break;
  762. }
  763. case DAMAGE_PACKET_DAMAGE_TYPE_DISEASE: {
  764. ret += GetInfoStruct()->get_disease() / 50;
  765. LogWrite(COMBAT__DEBUG, 3, "Combat", "DamageType: Disease (%i), Amt: %.2f", damage_type, ret);
  766. break;
  767. }
  768. case DAMAGE_PACKET_DAMAGE_TYPE_POISON: {
  769. ret += GetInfoStruct()->get_poison() / 50;
  770. LogWrite(COMBAT__DEBUG, 3, "Combat", "DamageType: Poison (%i), Amt: %.2f", damage_type, ret);
  771. break;
  772. }
  773. }
  774. return ret;
  775. }
  776. Skill* Entity::GetSkillByWeaponType(int8 type, bool update) {
  777. switch(type) {
  778. case DAMAGE_PACKET_DAMAGE_TYPE_SLASH: // slash
  779. return GetSkillByName("Slashing", update);
  780. case DAMAGE_PACKET_DAMAGE_TYPE_CRUSH: // crush
  781. return GetSkillByName("Crushing", update);
  782. case DAMAGE_PACKET_DAMAGE_TYPE_PIERCE: // pierce
  783. return GetSkillByName("Piercing", update);
  784. case DAMAGE_PACKET_DAMAGE_TYPE_HEAT:
  785. case DAMAGE_PACKET_DAMAGE_TYPE_COLD:
  786. case DAMAGE_PACKET_DAMAGE_TYPE_MAGIC:
  787. case DAMAGE_PACKET_DAMAGE_TYPE_MENTAL:
  788. case DAMAGE_PACKET_DAMAGE_TYPE_DIVINE:
  789. case DAMAGE_PACKET_DAMAGE_TYPE_DISEASE:
  790. case DAMAGE_PACKET_DAMAGE_TYPE_POISON:
  791. return GetSkillByName("Disruption", update);
  792. }
  793. return 0;
  794. }
  795. bool Entity::DamageSpawn(Entity* victim, int8 type, int8 damage_type, int32 low_damage, int32 high_damage, const char* spell_name, int8 crit_mod, bool is_tick, bool no_calcs, bool ignore_attacker) {
  796. if(!victim || victim->GetHP() == 0)
  797. return false;
  798. int8 hit_result = 0;
  799. int16 blow_type = 0;
  800. sint32 damage = 0;
  801. bool crit = false;
  802. if(low_damage > high_damage)
  803. high_damage = low_damage;
  804. if(low_damage == high_damage)
  805. damage = low_damage;
  806. else
  807. damage = MakeRandomInt(low_damage, high_damage);
  808. if(!no_calcs) {
  809. //this can be simplified by taking out the / 2, but I wanted the damage to be more consistent
  810. //damage = (rand()%((int)(high_damage/2-low_damage/2) + low_damage/2)) + (rand()%((int)(high_damage/2-low_damage/2) + low_damage/2));
  811. //damage = (rand()%((int)(high_damage-low_damage) + low_damage)) + (rand()%((int)(high_damage-low_damage) + low_damage));
  812. //DPS mod is only applied to auto attacks
  813. if (type == DAMAGE_PACKET_TYPE_SIMPLE_DAMAGE || type == DAMAGE_PACKET_TYPE_RANGE_DAMAGE ) {
  814. damage *= (info_struct.get_dps_multiplier());
  815. }
  816. //Potency and ability mod is only applied to spells/CAs
  817. else {
  818. // Potency mod
  819. MStats.lock();
  820. damage *= ((stats[ITEM_STAT_POTENCY] / 100) + 1);
  821. MStats.unlock();
  822. // Ability mod can only give up to half of damage after potency
  823. int32 mod = (int32)min(info_struct.get_ability_modifier(), (float)(damage / 2));
  824. damage += mod;
  825. }
  826. if(!crit_mod || crit_mod == 1){
  827. //force crit if crit_mod == 1
  828. if(crit_mod == 1)
  829. crit = true;
  830. // Crit Roll
  831. else {
  832. victim->MStats.lock();
  833. float chance = max((float)0, (info_struct.get_crit_chance() - victim->stats[ITEM_STAT_CRITAVOIDANCE]));
  834. victim->MStats.unlock();
  835. if (MakeRandomFloat(0, 100) <= chance)
  836. crit = true;
  837. }
  838. if(crit){
  839. //Apply total crit multiplier with crit bonus
  840. if(info_struct.get_crit_bonus() > 0)
  841. damage *= (1.3 + (info_struct.get_crit_bonus() / 100));
  842. else
  843. damage *= 1.3;
  844. // Change packet type to crit
  845. if (type == DAMAGE_PACKET_TYPE_SIMPLE_DAMAGE)
  846. type = DAMAGE_PACKET_TYPE_SIMPLE_CRIT_DMG;
  847. else if (type == DAMAGE_PACKET_TYPE_SPELL_DAMAGE)
  848. type = DAMAGE_PACKET_TYPE_SPELL_CRIT_DMG;
  849. }
  850. }
  851. // TODO: Mitigation equation from http://www.guildportal.com/Guild.aspx?GuildID=20881&TabID=189653&ForumID=95908&TopicID=9024250
  852. }
  853. LogWrite(MISC__TODO, 3, "TODO", "Take players armor into account\nfile: %s, func: %s, line: %i)", __FILE__, __FUNCTION__, __LINE__);
  854. bool useWards = false;
  855. if(damage <= 0){
  856. hit_result = DAMAGE_PACKET_RESULT_NO_DAMAGE;
  857. damage = 0;
  858. }
  859. else{
  860. hit_result = DAMAGE_PACKET_RESULT_SUCCESSFUL;
  861. GetZone()->CallSpawnScript(victim, SPAWN_SCRIPT_HEALTHCHANGED, this);
  862. int32 prevDmg = damage;
  863. damage = victim->CheckWards(this, damage, damage_type);
  864. if (damage < (sint64)prevDmg)
  865. useWards = true;
  866. victim->TakeDamage(damage);
  867. victim->CheckProcs(PROC_TYPE_DAMAGED, this);
  868. if (IsPlayer()) {
  869. switch (damage_type) {
  870. case DAMAGE_PACKET_DAMAGE_TYPE_SLASH:
  871. case DAMAGE_PACKET_DAMAGE_TYPE_CRUSH:
  872. case DAMAGE_PACKET_DAMAGE_TYPE_PIERCE:
  873. if (((Player*)this)->GetPlayerStatisticValue(STAT_PLAYER_HIGHEST_MELEE_HIT) < damage)
  874. ((Player*)this)->UpdatePlayerStatistic(STAT_PLAYER_HIGHEST_MELEE_HIT, damage, true);
  875. victim->CheckProcs(PROC_TYPE_DAMAGED_MELEE, this);
  876. break;
  877. case DAMAGE_PACKET_DAMAGE_TYPE_HEAT:
  878. case DAMAGE_PACKET_DAMAGE_TYPE_COLD:
  879. case DAMAGE_PACKET_DAMAGE_TYPE_MAGIC:
  880. case DAMAGE_PACKET_DAMAGE_TYPE_MENTAL:
  881. case DAMAGE_PACKET_DAMAGE_TYPE_DIVINE:
  882. case DAMAGE_PACKET_DAMAGE_TYPE_DISEASE:
  883. case DAMAGE_PACKET_DAMAGE_TYPE_POISON:
  884. if (((Player*)this)->GetPlayerStatisticValue(STAT_PLAYER_HIGHEST_MAGIC_HIT) < damage)
  885. ((Player*)this)->UpdatePlayerStatistic(STAT_PLAYER_HIGHEST_MAGIC_HIT, damage, true);
  886. victim->CheckProcs(PROC_TYPE_DAMAGED_MAGIC, this);
  887. break;
  888. }
  889. }
  890. }
  891. if(victim->IsNPC() && victim->GetHP() > 0)
  892. ((Entity*)victim)->AddHate(this, damage);
  893. Entity* attacker = nullptr;
  894. if(!ignore_attacker)
  895. attacker = this;
  896. if (damage > 0) {
  897. GetZone()->SendDamagePacket(attacker, victim, type, hit_result, damage_type, damage, spell_name);
  898. if (IsStealthed() || IsInvis())
  899. CancelAllStealth();
  900. if (victim->IsEntity())
  901. ((Entity*)victim)->CheckInterruptSpell(this);
  902. }
  903. else if (useWards)
  904. {
  905. GetZone()->SendDamagePacket(attacker, victim, DAMAGE_PACKET_TYPE_SIMPLE_DAMAGE, DAMAGE_PACKET_RESULT_NO_DAMAGE, damage_type, 0, spell_name);
  906. }
  907. if (victim->GetHP() <= 0)
  908. KillSpawn(victim, damage_type, blow_type);
  909. else {
  910. victim->CheckProcs(PROC_TYPE_DEFENSIVE, this);
  911. if (spell_name)
  912. victim->CheckProcs(PROC_TYPE_MAGICAL_DEFENSIVE, this);
  913. else
  914. victim->CheckProcs(PROC_TYPE_PHYSICAL_DEFENSIVE, this);
  915. }
  916. return crit;
  917. }
  918. void Entity::AddHate(Entity* attacker, sint32 hate) {
  919. if(!attacker || GetHP() <= 0 || attacker->GetHP() <= 0)
  920. return;
  921. // If a players pet and protect self is off
  922. if (IsPet() && ((NPC*)this)->GetOwner()->IsPlayer() && ((((Player*)((NPC*)this)->GetOwner())->GetInfoStruct()->get_pet_behavior() & 2) == 0))
  923. return;
  924. if (IsNPC()) {
  925. LogWrite(COMBAT__DEBUG, 3, "Combat", "Add NPC_AI Hate: Victim '%s', Attacker '%s', Hate: %i", GetName(), attacker->GetName(), hate);
  926. ((NPC*)this)->Brain()->AddHate(attacker, hate);
  927. // if encounter size is 0 then add the attacker to the encounter
  928. if (((NPC*)this)->Brain()->GetEncounterSize() == 0)
  929. ((NPC*)this)->Brain()->AddToEncounter(attacker);
  930. }
  931. if (attacker->GetThreatTransfer() && hate > 0) {
  932. Spawn* transfer_target = (Entity*)GetZone()->GetSpawnByID(attacker->GetThreatTransfer()->Target);
  933. if (transfer_target && transfer_target->IsEntity()) {
  934. sint32 transfered_hate = hate * (attacker->GetThreatTransfer()->Amount / 100);
  935. hate -= transfered_hate;
  936. this->AddHate((Entity*)transfer_target, transfered_hate);
  937. }
  938. }
  939. // If pet is adding hate add some to the pets owner as well
  940. if (attacker->IsNPC() && ((NPC*)attacker)->IsPet())
  941. AddHate(((NPC*)attacker)->GetOwner(), 1);
  942. // If player and player has a pet and protect master is set add hate to the pet
  943. if (IsPlayer() && HasPet() && (((Player*)this)->GetInfoStruct()->get_pet_behavior() & 1)) {
  944. // If we have a combat pet add hate to it
  945. if (((Player*)this)->GetPet())
  946. AddHate(((Player*)this)->GetPet(), 1);
  947. if (((Player*)this)->GetCharmedPet())
  948. AddHate(((Player*)this)->GetCharmedPet(), 1);
  949. }
  950. // If this spawn has a spawn group then add the attacker to the hate list of the other
  951. // group members if not already in their list
  952. if (HasSpawnGroup()) {
  953. vector<Spawn*>* group = GetSpawnGroup();
  954. vector<Spawn*>::iterator itr;
  955. for (itr = group->begin(); itr != group->end(); itr++) {
  956. if (!(*itr)->IsNPC())
  957. continue;
  958. NPC* spawn = (NPC*)(*itr);
  959. if (spawn->Brain()->GetHate(attacker) == 0)
  960. spawn->Brain()->AddHate(attacker, 1);
  961. }
  962. safe_delete(group);
  963. }
  964. }
  965. bool Entity::CheckFizzleSpell(LuaSpell* spell) {
  966. if(!spell || !rule_manager.GetGlobalRule(R_Spells, EnableFizzleSpells)->GetInt8()
  967. || spell->spell->GetSpellData()->can_fizzle == false)
  968. return false;
  969. float fizzleMaxSkill = rule_manager.GetGlobalRule(R_Spells, FizzleMaxSkill)->GetFloat();
  970. float baseFizzle = rule_manager.GetGlobalRule(R_Spells, DefaultFizzleChance)->GetFloat()/100.0f; // 10%
  971. float skillObtained = rule_manager.GetGlobalRule(R_Spells, FizzleDefaultSkill)->GetFloat(); // default of .2f so we don't go over the threshold if no skill
  972. Skill* skill = GetSkillByID(spell->spell->GetSpellData()->mastery_skill, false);
  973. if(skill && spell->spell->GetSpellData()->min_class_skill_req > 0)
  974. {
  975. float skillObtained = skill->current_val / spell->spell->GetSpellData()->min_class_skill_req;
  976. if(skillObtained > fizzleMaxSkill) // 120% over the skill value
  977. {
  978. skillObtained = fizzleMaxSkill;
  979. }
  980. baseFizzle = (fizzleMaxSkill - skillObtained) * baseFizzle;
  981. float totalSuccessChance = 1.0f - baseFizzle;
  982. float randResult = MakeRandomFloat(0.0f, 1.0f);
  983. if(randResult > totalSuccessChance)
  984. return true;
  985. }
  986. return false;
  987. }
  988. bool Entity::CheckInterruptSpell(Entity* attacker) {
  989. if(!IsCasting())
  990. return false;
  991. Spell* spell = GetZone()->GetSpell(this);
  992. if(!spell || spell->GetSpellData()->interruptable == 0)
  993. return false;
  994. if(GetInfoStruct()->get_no_interrupt())
  995. return false;
  996. //originally base of 30 percent chance to continue casting if attacked
  997. //modified to 50% and added global rule, 30% was too small at starting levels
  998. int8 percent = rule_manager.GetGlobalRule(R_Spells, NoInterruptBaseChance)->GetInt32();
  999. Skill* skill = GetSkillByName("Focus", true);
  1000. float focusSkillPts = 0.0f;
  1001. MStats.lock();
  1002. focusSkillPts = stats[ITEM_STAT_FOCUS];
  1003. MStats.unlock();
  1004. if(skill)
  1005. percent += ((skill->current_val + 1 + focusSkillPts)/6);
  1006. if(MakeRandomInt(1, 100) > percent) {
  1007. LogWrite(COMBAT__DEBUG, 0, "Combat", "'%s' interrupted spell for '%s': %i%%", attacker->GetName(), GetName(), percent);
  1008. GetZone()->Interrupted(this, attacker, SPELL_ERROR_INTERRUPTED);
  1009. return true;
  1010. }
  1011. LogWrite(COMBAT__DEBUG, 0, "Combat", "'%s' failed to interrupt spell for '%s': %i%%", attacker->GetName(), GetName(), percent);
  1012. return false;
  1013. }
  1014. void Entity::KillSpawn(Spawn* dead, int8 damage_type, int16 kill_blow_type) {
  1015. if(!dead)
  1016. return;
  1017. if (IsPlayer()) {
  1018. Client* client = GetZone()->GetClientBySpawn(this);
  1019. PacketStruct* packet = configReader.getStruct("WS_EnterCombat", client->GetVersion());
  1020. if (packet) {
  1021. client->QueuePacket(packet->serialize());
  1022. }
  1023. safe_delete(packet);
  1024. ((Player*)this)->InCombat(false);
  1025. }
  1026. if (IsPlayer() && dead->IsEntity())
  1027. GetZone()->GetSpellProcess()->KillHOBySpawnID(dead->GetID());
  1028. //if (dead->IsEntity()) same code called in zone server
  1029. //((Entity*)dead)->InCombat(false);
  1030. /* just for sake of not knowing if we are in a read lock, write lock, or no lock
  1031. ** say spawnlist is locked (DismissPet arg 3 true), which means RemoveSpawn will remove the id from the spawn_list outside of the potential lock
  1032. */
  1033. if (dead->IsPet())
  1034. ((NPC*)dead)->GetOwner()->DismissPet((NPC*)dead, true, true);
  1035. else if (dead->IsEntity()) {
  1036. // remove all pets for this entity
  1037. ((Entity*)dead)->DismissAllPets(false, true);
  1038. }
  1039. // If not in combat and no one in the encounter list add this killer to the list
  1040. if(dead->EngagedInCombat() == false && dead->IsNPC() && ((NPC*)dead)->Brain()->GetEncounterSize() == 0)
  1041. ((NPC*)dead)->Brain()->AddToEncounter(this);
  1042. if (IsCasting())
  1043. GetZone()->Interrupted(this, dead, SPELL_ERROR_NOT_ALIVE);
  1044. LogWrite(COMBAT__DEBUG, 3, "Combat", "Killing '%s'", dead->GetName());
  1045. // Kill movement for the dead npc so the corpse doesn't move
  1046. GetZone()->movementMgr->StopNavigation((Entity*)dead);
  1047. dead->ClearRunningLocations();
  1048. dead->CalculateRunningLocation(true);
  1049. GetZone()->KillSpawn(true, dead, this, true, damage_type, kill_blow_type);
  1050. }
  1051. void Entity::HandleDeathExperienceDebt(Spawn* killer)
  1052. {
  1053. if(!IsPlayer())
  1054. return;
  1055. float ruleDebt = 0.0f;
  1056. if(killer && killer->IsPlayer())
  1057. ruleDebt = rule_manager.GetGlobalRule(R_Combat, PVPDeathExperienceDebt)->GetFloat()/100.0f;
  1058. else
  1059. ruleDebt = rule_manager.GetGlobalRule(R_Combat, DeathExperienceDebt)->GetFloat()/100.0f;
  1060. if(ruleDebt > 0.0f)
  1061. {
  1062. bool groupDebt = rule_manager.GetGlobalRule(R_Combat, GroupExperienceDebt)->GetBool();
  1063. if(groupDebt && ((Player*)this)->GetGroupMemberInfo())
  1064. {
  1065. world.GetGroupManager()->GroupLock(__FUNCTION__, __LINE__);
  1066. PlayerGroup* group = world.GetGroupManager()->GetGroup(((Player*)this)->GetGroupMemberInfo()->group_id);
  1067. if (group)
  1068. {
  1069. group->MGroupMembers.readlock(__FUNCTION__, __LINE__);
  1070. deque<GroupMemberInfo*>* members = group->GetMembers();
  1071. int32 size = members->size();
  1072. float xpDebtPerMember = ruleDebt/(float)size;
  1073. deque<GroupMemberInfo*>::iterator itr;
  1074. for (itr = members->begin(); itr != members->end(); itr++) {
  1075. GroupMemberInfo* gmi = *itr;
  1076. if (gmi->client && gmi->client->GetPlayer()) {
  1077. gmi->client->GetPlayer()->GetInfoStruct()->set_xp_debt(gmi->client->GetPlayer()->GetInfoStruct()->get_xp_debt()+xpDebtPerMember);
  1078. gmi->client->GetPlayer()->SetCharSheetChanged(true);
  1079. }
  1080. }
  1081. group->MGroupMembers.releasereadlock(__FUNCTION__, __LINE__);
  1082. }
  1083. world.GetGroupManager()->ReleaseGroupLock(__FUNCTION__, __LINE__);
  1084. }
  1085. else
  1086. {
  1087. ((Player*)this)->GetInfoStruct()->set_xp_debt(((Player*)this)->GetInfoStruct()->get_xp_debt()+ruleDebt);
  1088. ((Player*)this)->SetCharSheetChanged(true);
  1089. }
  1090. }
  1091. }
  1092. void Entity::ProcessCombat() {
  1093. // This is a virtual function so when a NPC calls this it will use the NPC::ProcessCombat() version
  1094. // and a player will use the Player::ProcessCombat() version, leave this function blank.
  1095. }
  1096. void NPC::ProcessCombat() {
  1097. MBrain.writelock(__FUNCTION__, __LINE__);
  1098. // Check to see if it is time to call the AI again
  1099. if (GetHP() > 0 && Timer::GetCurrentTime2() >= (m_brain->LastTick() + m_brain->Tick())) {
  1100. // Probably never want to use the following log, will spam the console for every NPC in a zone 4 times a second
  1101. //LogWrite(NPC_AI__DEBUG, 9, "NPC_AI", "%s is thinking...", GetName());
  1102. m_brain->Think();
  1103. // Set the time for when the brain was last called
  1104. m_brain->SetLastTick(Timer::GetCurrentTime2());
  1105. }
  1106. MBrain.releasewritelock(__FUNCTION__, __LINE__);
  1107. }
  1108. void Player::ProcessCombat() {
  1109. // if not in combat OR casting a spell OR dazed OR feared return out
  1110. if (!EngagedInCombat() || IsCasting() || IsDazed() || IsFeared())
  1111. return;
  1112. //If no target delete combat_target and return out
  1113. Spawn* Target = GetZone()->GetSpawnByID(target);
  1114. if (!Target) {
  1115. combat_target = 0;
  1116. if (target > 0) {
  1117. SetTarget(0);
  1118. }
  1119. return;
  1120. }
  1121. // If is not an entity return out
  1122. if (!Target->IsEntity())
  1123. return;
  1124. // Reset combat target
  1125. combat_target = 0;
  1126. if (Target->HasTarget()) {
  1127. if (Target->IsPlayer() || (Target->IsNPC() && Target->IsPet() && ((NPC*)Target)->GetOwner()->IsPlayer())){
  1128. Spawn* secondary_target = Target->GetTarget();
  1129. if (secondary_target->IsNPC() && secondary_target->appearance.attackable) {
  1130. if (!secondary_target->IsPet() || (secondary_target->IsPet() && ((NPC*)secondary_target)->GetOwner()->IsNPC())) {
  1131. combat_target = secondary_target;
  1132. }
  1133. }
  1134. }
  1135. }
  1136. // If combat_target wasn't set in the above if set it to the original target
  1137. if (!combat_target)
  1138. combat_target = Target;
  1139. // this if may not be required as at the min combat_target will be Target, which we already check at the begining
  1140. if(!combat_target)
  1141. return;
  1142. float distance = 0;
  1143. distance = GetDistance(combat_target);
  1144. // Check to see if we are doing ranged auto attacks if not check to see if we are in melee range
  1145. if (GetRangeAttack()) {
  1146. // We are doing ranged auto attacks
  1147. //check to see if we can attack the target AND the ranged weapon is ready
  1148. if(AttackAllowed((Entity*)combat_target, distance, true) && RangeWeaponReady()) {
  1149. Item* weapon = 0;
  1150. Item* ammo = 0;
  1151. // Get the currently equiped weapon and ammo for the ranged attack
  1152. weapon = GetEquipmentList()->GetItem(EQ2_RANGE_SLOT);
  1153. ammo = GetEquipmentList()->GetItem(EQ2_AMMO_SLOT);
  1154. LogWrite(COMBAT__DEBUG, 1, "Combat", "Weapon '%s', Ammo '%s'", ( weapon )? weapon->name.c_str() : "None", ( ammo ) ? ammo->name.c_str() : "None");
  1155. // If weapon and ammo are both valid perform the ranged attack else send a message to the client
  1156. if(weapon && ammo) {
  1157. LogWrite(COMBAT__DEBUG, 1, "Combat", "Weapon: Primary, Fighter: '%s', Target: '%s', Distance: %.2f", GetName(), combat_target->GetName(), distance);
  1158. RangeAttack(combat_target, distance, weapon, ammo);
  1159. }
  1160. else {
  1161. Client* client = GetZone()->GetClientBySpawn(this);
  1162. if (client) {
  1163. // Need to get messages from live, made these up so the player knows what is wrong in game if weapon or ammo are not valid
  1164. if (!ammo)
  1165. client->SimpleMessage(CHANNEL_COLOR_YELLOW, "Out of ammo.");
  1166. if (!weapon)
  1167. client->SimpleMessage(CHANNEL_COLOR_YELLOW, "No ranged weapon found.");
  1168. }
  1169. }
  1170. }
  1171. }
  1172. else if(distance <= rule_manager.GetGlobalRule(R_Combat, MaxCombatRange)->GetFloat()) {
  1173. // We are doing melee auto attacks and are within range
  1174. // Check to see if we can attack the target
  1175. if(AttackAllowed((Entity*)combat_target)) {
  1176. // Check to see if the primary melee weapon is ready
  1177. if(PrimaryWeaponReady()) {
  1178. // Set the time of the last melee attack with the primary weapon and perform the melee attack with primary weapon
  1179. SetPrimaryLastAttackTime(Timer::GetCurrentTime2());
  1180. MeleeAttack(combat_target, distance, true);
  1181. }
  1182. // Check to see if the secondary weapon is ready
  1183. if(SecondaryWeaponReady()) {
  1184. // set the time of the last melee attack with the secondary weapon and perform the melee attack with the secondary weapon
  1185. SetSecondaryLastAttackTime(Timer::GetCurrentTime2());
  1186. MeleeAttack(combat_target, distance, false);
  1187. }
  1188. }
  1189. }
  1190. }
  1191. void Entity::SetAttackDelay(bool primary, bool ranged) {
  1192. float mod = CalculateAttackSpeedMod();
  1193. bool dual_wield = IsDualWield();
  1194. //Note: Capping all attack speed increases at 125% normal speed (from function CalculateAttackSpeedMod())
  1195. //Add 33% longer delay if dual wielding
  1196. if(dual_wield && ! ranged) {
  1197. if(primary)
  1198. SetPrimaryAttackDelay((GetPrimaryWeaponDelay() * 1.33) / mod);
  1199. else
  1200. SetSecondaryAttackDelay((GetSecondaryWeaponDelay() * 1.33) / mod);
  1201. }
  1202. else {
  1203. if(primary)
  1204. SetPrimaryAttackDelay(GetPrimaryWeaponDelay() / mod);
  1205. else if(ranged)
  1206. SetRangeAttackDelay(GetRangeWeaponDelay() / mod);
  1207. else
  1208. SetSecondaryAttackDelay(GetSecondaryWeaponDelay() / mod);
  1209. }
  1210. }
  1211. float Entity::CalculateAttackSpeedMod(){
  1212. float aspeed = info_struct.get_attackspeed();
  1213. if(aspeed > 0) {
  1214. if (aspeed <= 100)
  1215. return (aspeed / 100 + 1);
  1216. else if (aspeed <= 200)
  1217. return 2.25;
  1218. }
  1219. return 1;
  1220. }
  1221. void Entity::AddProc(int8 type, float chance, Item* item, LuaSpell* spell) {
  1222. if (type == 0) {
  1223. LogWrite(COMBAT__ERROR, 0, "Proc", "Entity::AddProc called with an invalid type.");
  1224. return;
  1225. }
  1226. if (!item && !spell) {
  1227. LogWrite(COMBAT__ERROR, 0, "Proc", "Entity::AddProc must have a valid item or spell.");
  1228. return;
  1229. }
  1230. MProcList.writelock(__FUNCTION__, __LINE__);
  1231. Proc* proc = new Proc();
  1232. proc->chance = chance;
  1233. proc->item = item;
  1234. proc->spell = spell;
  1235. proc->spellid = spell->spell->GetSpellID();
  1236. m_procList[type].push_back(proc);
  1237. MProcList.releasewritelock(__FUNCTION__, __LINE__);
  1238. }
  1239. void Entity::RemoveProc(Item* item, LuaSpell* spell) {
  1240. if (!item && !spell) {
  1241. LogWrite(COMBAT__ERROR, 0, "Proc", "Entity::RemoveProc must have a valid item or spell.");
  1242. return;
  1243. }
  1244. MProcList.writelock(__FUNCTION__, __LINE__);
  1245. map<int8, vector<Proc*> >::iterator proc_itr;
  1246. vector<Proc*>::iterator itr;
  1247. for (proc_itr = m_procList.begin(); proc_itr != m_procList.end(); proc_itr++) {
  1248. itr = proc_itr->second.begin();
  1249. while (itr != proc_itr->second.end()) {
  1250. Proc* proc = *itr;
  1251. if ((item && proc->item == item) || (spell && proc->spell == spell)) {
  1252. itr = proc_itr->second.erase(itr);
  1253. safe_delete(proc);
  1254. }
  1255. else
  1256. itr++;
  1257. }
  1258. }
  1259. MProcList.releasewritelock(__FUNCTION__, __LINE__);
  1260. }
  1261. bool Entity::CastProc(Proc* proc, int8 type, Spawn* target) {
  1262. lua_State* state = 0;
  1263. bool item_proc = false;
  1264. int8 num_args = 3;
  1265. if (proc->spell) {
  1266. state = proc->spell->state;
  1267. }
  1268. else if (proc->item) {
  1269. state = lua_interface->GetItemScript(proc->item->GetItemScript());
  1270. item_proc = true;
  1271. }
  1272. if (!state) {
  1273. LogWrite(COMBAT__ERROR, 0, "Proc", "No valid lua_State* found");
  1274. return false;
  1275. }
  1276. lua_getglobal(state, "proc");
  1277. if (item_proc) {
  1278. num_args++;
  1279. lua_interface->SetItemValue(state, proc->item);
  1280. }
  1281. lua_interface->SetSpawnValue(state, this);
  1282. lua_interface->SetSpawnValue(state, target);
  1283. lua_interface->SetInt32Value(state, type);
  1284. /*
  1285. Add spell data from db in case of a spell proc here...
  1286. */
  1287. if (!item_proc) {
  1288. // Append spell data to the param list
  1289. vector<LUAData*>* data = proc->spell->spell->GetLUAData();
  1290. for(int32 i = 0; i < data->size(); i++) {
  1291. switch(data->at(i)->type) {
  1292. case 0:{
  1293. lua_interface->SetSInt32Value(proc->spell->state, data->at(i)->int_value);
  1294. break;
  1295. }
  1296. case 1:{
  1297. lua_interface->SetFloatValue(proc->spell->state, data->at(i)->float_value);
  1298. break;
  1299. }
  1300. case 2:{
  1301. lua_interface->SetBooleanValue(proc->spell->state, data->at(i)->bool_value);
  1302. break;
  1303. }
  1304. case 3:{
  1305. lua_interface->SetStringValue(proc->spell->state, data->at(i)->string_value.c_str());
  1306. break;
  1307. }
  1308. default:{
  1309. LogWrite(SPELL__ERROR, 0, "Spell", "Error: Unknown LUA Type '%i' in Entity::CastProc for Spell '%s'", (int)data->at(i)->type, proc->spell->spell->GetName());
  1310. return false;
  1311. }
  1312. }
  1313. num_args++;
  1314. }
  1315. }
  1316. if (lua_pcall(state, num_args, 0, 0) != 0) {
  1317. LogWrite(COMBAT__ERROR, 0, "Proc", "Unable to call the proc function for spell %i tier %i", proc->spell->spell->GetSpellID(), proc->spell->spell->GetSpellTier());
  1318. lua_pop(state, 1);
  1319. return false;
  1320. }
  1321. return true;
  1322. }
  1323. void Entity::CheckProcs(int8 type, Spawn* target) {
  1324. if (type == 0) {
  1325. LogWrite(COMBAT__ERROR, 0, "Proc", "Entity::CheckProcs called with an invalid type.");
  1326. return;
  1327. }
  1328. float roll = MakeRandomFloat(0, 100);
  1329. vector<Proc*> tmpList;
  1330. MProcList.readlock(__FUNCTION__, __LINE__);
  1331. for (int8 i = 0; i < m_procList[type].size(); i++) {
  1332. Proc* proc = m_procList[type].at(i);
  1333. if (roll <= proc->chance)
  1334. {
  1335. Proc* tmpProc = new Proc();
  1336. tmpProc->chance = proc->chance;
  1337. tmpProc->item = proc->item;
  1338. tmpProc->spell = proc->spell;
  1339. tmpProc->spellid = proc->spellid;
  1340. tmpList.push_back(tmpProc);
  1341. }
  1342. }
  1343. MProcList.releasereadlock(__FUNCTION__, __LINE__);
  1344. vector<Proc*>::iterator proc_itr;
  1345. for (proc_itr = tmpList.begin(); proc_itr != tmpList.end();) {
  1346. Proc* tmpProc = *proc_itr;
  1347. CastProc(tmpProc, type, target);
  1348. proc_itr++;
  1349. safe_delete(tmpProc);
  1350. }
  1351. }
  1352. void Entity::ClearProcs() {
  1353. MProcList.writelock(__FUNCTION__, __LINE__);
  1354. map<int8, vector<Proc*> >::iterator proc_itr;
  1355. vector<Proc*>::iterator itr;
  1356. for (proc_itr = m_procList.begin(); proc_itr != m_procList.end(); proc_itr++) {
  1357. itr = proc_itr->second.begin();
  1358. while (itr != proc_itr->second.end()) {
  1359. safe_delete(*itr);
  1360. itr = proc_itr->second.erase(itr);
  1361. }
  1362. proc_itr->second.clear();
  1363. }
  1364. m_procList.clear();
  1365. MProcList.releasewritelock(__FUNCTION__, __LINE__);
  1366. }