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attack.cpp
5483 lines (4751 loc) · 171 KB
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attack.cpp
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/* EQEMu: Everquest Server Emulator
Copyright (C) 2001-2002 EQEMu Development Team (http://eqemulator.net)
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; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY except by those people which sell it, which
are required to give you total support for your newly bought product;
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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "../common/global_define.h"
#include "../common/eq_constants.h"
#include "../common/eq_packet_structs.h"
#include "../common/rulesys.h"
#include "../common/skills.h"
#include "../common/spdat.h"
#include "../common/string_util.h"
#include "../common/data_verification.h"
#include "../common/misc_functions.h"
#include "queryserv.h"
#include "quest_parser_collection.h"
#include "string_ids.h"
#include "water_map.h"
#include "worldserver.h"
#include "zone.h"
#include "lua_parser.h"
#include "fastmath.h"
#include "mob.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <boost/concept_check.hpp>
#ifdef BOTS
#include "bot.h"
#endif
extern QueryServ* QServ;
extern WorldServer worldserver;
extern FastMath g_Math;
#ifdef _WINDOWS
#define snprintf _snprintf
#define strncasecmp _strnicmp
#define strcasecmp _stricmp
#endif
extern EntityList entity_list;
extern Zone* zone;
EQEmu::skills::SkillType Mob::AttackAnimation(int Hand, const EQEmu::ItemInstance* weapon, EQEmu::skills::SkillType skillinuse)
{
// Determine animation
int type = 0;
if (weapon && weapon->IsClassCommon()) {
const EQEmu::ItemData* item = weapon->GetItem();
Log(Logs::Detail, Logs::Attack, "Weapon skill : %i", item->ItemType);
switch (item->ItemType) {
case EQEmu::item::ItemType1HSlash: // 1H Slashing
skillinuse = EQEmu::skills::Skill1HSlashing;
type = anim1HWeapon;
break;
case EQEmu::item::ItemType2HSlash: // 2H Slashing
skillinuse = EQEmu::skills::Skill2HSlashing;
type = anim2HSlashing;
break;
case EQEmu::item::ItemType1HPiercing: // Piercing
skillinuse = EQEmu::skills::Skill1HPiercing;
type = anim1HPiercing;
break;
case EQEmu::item::ItemType1HBlunt: // 1H Blunt
skillinuse = EQEmu::skills::Skill1HBlunt;
type = anim1HWeapon;
break;
case EQEmu::item::ItemType2HBlunt: // 2H Blunt
skillinuse = EQEmu::skills::Skill2HBlunt;
type = anim2HSlashing; //anim2HWeapon
break;
case EQEmu::item::ItemType2HPiercing: // 2H Piercing
if (IsClient() && CastToClient()->ClientVersion() < EQEmu::versions::ClientVersion::RoF2)
skillinuse = EQEmu::skills::Skill1HPiercing;
else
skillinuse = EQEmu::skills::Skill2HPiercing;
type = anim2HWeapon;
break;
case EQEmu::item::ItemTypeMartial:
skillinuse = EQEmu::skills::SkillHandtoHand;
type = animHand2Hand;
break;
default:
skillinuse = EQEmu::skills::SkillHandtoHand;
type = animHand2Hand;
break;
}// switch
}
else if (IsNPC()) {
switch (skillinuse) {
case EQEmu::skills::Skill1HSlashing: // 1H Slashing
type = anim1HWeapon;
break;
case EQEmu::skills::Skill2HSlashing: // 2H Slashing
type = anim2HSlashing;
break;
case EQEmu::skills::Skill1HPiercing: // Piercing
type = anim1HPiercing;
break;
case EQEmu::skills::Skill1HBlunt: // 1H Blunt
type = anim1HWeapon;
break;
case EQEmu::skills::Skill2HBlunt: // 2H Blunt
type = anim2HSlashing; //anim2HWeapon
break;
case EQEmu::skills::Skill2HPiercing: // 2H Piercing
type = anim2HWeapon;
break;
case EQEmu::skills::SkillHandtoHand:
type = animHand2Hand;
break;
default:
type = animHand2Hand;
break;
}// switch
}
else {
skillinuse = EQEmu::skills::SkillHandtoHand;
type = animHand2Hand;
}
// If we're attacking with the secondary hand, play the dual wield anim
if (Hand == EQEmu::invslot::slotSecondary) // DW anim
type = animDualWield;
DoAnim(type, 0, false);
return skillinuse;
}
int Mob::compute_tohit(EQEmu::skills::SkillType skillinuse)
{
int tohit = GetSkill(EQEmu::skills::SkillOffense) + 7;
tohit += GetSkill(skillinuse);
if (IsNPC())
tohit += CastToNPC()->GetAccuracyRating();
if (IsClient()) {
double reduction = CastToClient()->m_pp.intoxication / 2.0;
if (reduction > 20.0) {
reduction = std::min((110 - reduction) / 100.0, 1.0);
tohit = reduction * static_cast<double>(tohit);
}
else if (IsBerserk()) {
tohit += (GetLevel() * 2) / 5;
}
}
return std::max(tohit, 1);
}
// return -1 in cases that always hit
int Mob::GetTotalToHit(EQEmu::skills::SkillType skill, int chance_mod)
{
if (chance_mod >= 10000) // override for stuff like SE_SkillAttack
return -1;
// calculate attacker's accuracy
auto accuracy = compute_tohit(skill) + 10; // add 10 in case the NPC's stats are fucked
if (chance_mod > 0) // multiplier
accuracy *= chance_mod;
// Torven parsed an apparent constant of 1.2 somewhere in here * 6 / 5 looks eqmathy to me!
// new test clients have 121 / 100
accuracy = (accuracy * 121) / 100;
// unsure on the stacking order of these effects, rather hard to parse
// item mod2 accuracy isn't applied to range? Theory crafting and parses back it up I guess
// mod2 accuracy -- flat bonus
if (skill != EQEmu::skills::SkillArchery && skill != EQEmu::skills::SkillThrowing)
accuracy += itembonuses.HitChance;
// 216 Melee Accuracy Amt aka SE_Accuracy -- flat bonus
accuracy += itembonuses.Accuracy[EQEmu::skills::HIGHEST_SKILL + 1] +
aabonuses.Accuracy[EQEmu::skills::HIGHEST_SKILL + 1] +
spellbonuses.Accuracy[EQEmu::skills::HIGHEST_SKILL + 1] +
itembonuses.Accuracy[skill] +
aabonuses.Accuracy[skill] +
spellbonuses.Accuracy[skill];
// auto hit discs (and looks like there are some autohit AAs)
if (spellbonuses.HitChanceEffect[skill] >= 10000 || aabonuses.HitChanceEffect[skill] >= 10000)
return -1;
if (spellbonuses.HitChanceEffect[EQEmu::skills::HIGHEST_SKILL + 1] >= 10000)
return -1;
// 184 Accuracy % aka SE_HitChance -- percentage increase
auto hit_bonus = itembonuses.HitChanceEffect[EQEmu::skills::HIGHEST_SKILL + 1] +
aabonuses.HitChanceEffect[EQEmu::skills::HIGHEST_SKILL + 1] +
spellbonuses.HitChanceEffect[EQEmu::skills::HIGHEST_SKILL + 1] +
itembonuses.HitChanceEffect[skill] +
aabonuses.HitChanceEffect[skill] +
spellbonuses.HitChanceEffect[skill];
accuracy = (accuracy * (100 + hit_bonus)) / 100;
// TODO: April 2003 added an archery/throwing PVP accuracy penalty while moving, should be in here some where,
// but PVP is less important so I haven't tried parsing it at all
// There is also 110 Ranger Archery Accuracy % which should probably be in here some where, but it's not in any spells/aas
// Name implies it's a percentage increase, if one wishes to implement, do it like the hit_bonus above but limited to ranger archery
// There is also 183 UNUSED - Skill Increase Chance which devs say isn't used at all in code, but some spells reference it
// I do not recommend implementing this once since there are spells that use it which would make this not live-like with default spell files
return accuracy;
}
// based on dev quotes
// the AGI bonus has actually drastically changed from classic
int Mob::compute_defense()
{
int defense = GetSkill(EQEmu::skills::SkillDefense) * 400 / 225;
defense += (8000 * (GetAGI() - 40)) / 36000;
if (IsClient())
defense += CastToClient()->GetHeroicAGI() / 10;
defense += itembonuses.AvoidMeleeChance; // item mod2
if (IsNPC())
defense += CastToNPC()->GetAvoidanceRating();
if (IsClient()) {
double reduction = CastToClient()->m_pp.intoxication / 2.0;
if (reduction > 20.0) {
reduction = std::min((110 - reduction) / 100.0, 1.0);
defense = reduction * static_cast<double>(defense);
}
}
return std::max(1, defense);
}
// return -1 in cases that always miss
int Mob::GetTotalDefense()
{
auto avoidance = compute_defense() + 10; // add 10 in case the NPC's stats are fucked
auto evasion_bonus = spellbonuses.AvoidMeleeChanceEffect; // we check this first since it has a special case
if (evasion_bonus >= 10000)
return -1;
//
// 172 Evasion aka SE_AvoidMeleeChance
evasion_bonus += itembonuses.AvoidMeleeChanceEffect + aabonuses.AvoidMeleeChanceEffect; // item bonus here isn't mod2 avoidance
Mob *owner = nullptr;
if (IsPet())
owner = GetOwner();
else if (IsNPC() && CastToNPC()->GetSwarmOwner())
owner = entity_list.GetMobID(CastToNPC()->GetSwarmOwner());
if (owner) // 215 Pet Avoidance % aka SE_PetAvoidance
evasion_bonus += owner->aabonuses.PetAvoidance + owner->spellbonuses.PetAvoidance + owner->itembonuses.PetAvoidance;
// Evasion is a percentage bonus according to AA descriptions
if (evasion_bonus)
avoidance = (avoidance * (100 + evasion_bonus)) / 100;
return avoidance;
}
// called when a mob is attacked, does the checks to see if it's a hit
// and does other mitigation checks. 'this' is the mob being attacked.
bool Mob::CheckHitChance(Mob* other, DamageHitInfo &hit)
{
#ifdef LUA_EQEMU
bool lua_ret = false;
bool ignoreDefault = false;
lua_ret = LuaParser::Instance()->CheckHitChance(this, other, hit, ignoreDefault);
if(ignoreDefault) {
return lua_ret;
}
#endif
Mob *attacker = other;
Mob *defender = this;
Log(Logs::Detail, Logs::Attack, "CheckHitChance(%s) attacked by %s", defender->GetName(), attacker->GetName());
if (defender->IsClient() && defender->CastToClient()->IsSitting())
return true;
auto avoidance = defender->GetTotalDefense();
if (avoidance == -1) // some sort of auto avoid disc
return false;
auto accuracy = hit.tohit;
if (accuracy == -1)
return true;
// so now we roll!
// relevant dev quote:
// Then your chance to simply avoid the attack is checked (defender's avoidance roll beat the attacker's accuracy roll.)
int tohit_roll = zone->random.Roll0(accuracy);
int avoid_roll = zone->random.Roll0(avoidance);
Log(Logs::Detail, Logs::Attack, "CheckHitChance accuracy(%d => %d) avoidance(%d => %d)", accuracy, tohit_roll, avoidance, avoid_roll);
// tie breaker? Don't want to be biased any one way
if (tohit_roll == avoid_roll)
return zone->random.Roll(50);
return tohit_roll > avoid_roll;
}
bool Mob::AvoidDamage(Mob *other, DamageHitInfo &hit)
{
#ifdef LUA_EQEMU
bool lua_ret = false;
bool ignoreDefault = false;
lua_ret = LuaParser::Instance()->AvoidDamage(this, other, hit, ignoreDefault);
if (ignoreDefault) {
return lua_ret;
}
#endif
/* called when a mob is attacked, does the checks to see if it's a hit
* and does other mitigation checks. 'this' is the mob being attacked.
*
* special return values:
* -1 - block
* -2 - parry
* -3 - riposte
* -4 - dodge
*
*/
/* Order according to current (SoF+?) dev quotes:
* https://forums.daybreakgames.com/eq/index.php?threads/test-update-06-10-15.223510/page-2#post-3261772
* https://forums.daybreakgames.com/eq/index.php?threads/test-update-06-10-15.223510/page-2#post-3268227
* Riposte 50, hDEX, must have weapon/fists, doesn't work on archery/throwing
* Block 25, hDEX, works on archery/throwing, behind block done here if back to attacker base1 is chance
* Parry 45, hDEX, doesn't work on throwing/archery, must be facing target
* Dodge 45, hAGI, works on archery/throwing, monks can dodge attacks from behind
* Shield Block, rand base1
* Staff Block, rand base1
* regular strike through
* avoiding the attack (CheckHitChance)
* As soon as one succeeds, none of the rest are checked
*
* Formula (all int math)
* (posted for parry, assume rest at the same)
* Chance = (((SKILL + 100) + [((SKILL+100) * SPA(175).Base1) / 100]) / 45) + [(hDex / 25) - min([hDex / 25], hStrikethrough)].
* hStrikethrough is a mob stat that was added to counter the bonuses of heroic stats
* Number rolled against 100, if the chance is greater than 100 it happens 100% of time
*
* Things with 10k accuracy mods can be avoided with these skills qq
*/
Mob *attacker = other;
Mob *defender = this;
bool InFront = !attacker->BehindMob(this, attacker->GetX(), attacker->GetY());
/*
This special ability adds a negative modifer to the defenders riposte/block/parry/chance
therefore reducing the defenders chance to successfully avoid the melee attack. At present
time this is the only way to fine tune counter these mods on players. This may
ultimately end up being more useful as fields in npc_types.
*/
int counter_all = 0;
int counter_riposte = 0;
int counter_block = 0;
int counter_parry = 0;
int counter_dodge = 0;
if (attacker->GetSpecialAbility(COUNTER_AVOID_DAMAGE)) {
counter_all = attacker->GetSpecialAbilityParam(COUNTER_AVOID_DAMAGE, 0);
counter_riposte = attacker->GetSpecialAbilityParam(COUNTER_AVOID_DAMAGE, 1);
counter_block = attacker->GetSpecialAbilityParam(COUNTER_AVOID_DAMAGE, 2);
counter_parry = attacker->GetSpecialAbilityParam(COUNTER_AVOID_DAMAGE, 3);
counter_dodge = attacker->GetSpecialAbilityParam(COUNTER_AVOID_DAMAGE, 4);
}
// riposte -- it may seem crazy, but if the attacker has SPA 173 on them, they are immune to Ripo
bool ImmuneRipo = attacker->aabonuses.RiposteChance || attacker->spellbonuses.RiposteChance || attacker->itembonuses.RiposteChance || attacker->IsEnraged();
// Need to check if we have something in MainHand to actually attack with (or fists)
if (hit.hand != EQEmu::invslot::slotRange && (CanThisClassRiposte() || IsEnraged()) && InFront && !ImmuneRipo) {
if (IsEnraged()) {
hit.damage_done = DMG_RIPOSTED;
Log(Logs::Detail, Logs::Combat, "I am enraged, riposting frontal attack.");
return true;
}
if (IsClient())
CastToClient()->CheckIncreaseSkill(EQEmu::skills::SkillRiposte, other, -10);
// check auto discs ... I guess aa/items too :P
if (spellbonuses.RiposteChance == 10000 || aabonuses.RiposteChance == 10000 || itembonuses.RiposteChance == 10000) {
hit.damage_done = DMG_RIPOSTED;
return true;
}
int chance = GetSkill(EQEmu::skills::SkillRiposte) + 100;
chance += (chance * (aabonuses.RiposteChance + spellbonuses.RiposteChance + itembonuses.RiposteChance)) / 100;
chance /= 50;
chance += itembonuses.HeroicDEX / 25; // live has "heroic strickthrough" here to counter
if (counter_riposte || counter_all) {
float counter = (counter_riposte + counter_all) / 100.0f;
chance -= chance * counter;
}
// AA Slippery Attacks
if (hit.hand == EQEmu::invslot::slotSecondary) {
int slip = aabonuses.OffhandRiposteFail + itembonuses.OffhandRiposteFail + spellbonuses.OffhandRiposteFail;
chance += chance * slip / 100;
}
if (chance > 0 && zone->random.Roll(chance)) { // could be <0 from offhand stuff
hit.damage_done = DMG_RIPOSTED;
return true;
}
}
// block
bool bBlockFromRear = false;
// a successful roll on this does not mean a successful block is forthcoming. only that a chance to block
// from a direction other than the rear is granted.
int BlockBehindChance = aabonuses.BlockBehind + spellbonuses.BlockBehind + itembonuses.BlockBehind;
if (BlockBehindChance && zone->random.Roll(BlockBehindChance))
bBlockFromRear = true;
if (CanThisClassBlock() && (InFront || bBlockFromRear)) {
if (IsClient())
CastToClient()->CheckIncreaseSkill(EQEmu::skills::SkillBlock, other, -10);
// check auto discs ... I guess aa/items too :P
if (spellbonuses.IncreaseBlockChance == 10000 || aabonuses.IncreaseBlockChance == 10000 ||
itembonuses.IncreaseBlockChance == 10000) {
hit.damage_done = DMG_BLOCKED;
return true;
}
int chance = GetSkill(EQEmu::skills::SkillBlock) + 100;
chance += (chance * (aabonuses.IncreaseBlockChance + spellbonuses.IncreaseBlockChance + itembonuses.IncreaseBlockChance)) / 100;
chance /= 25;
chance += itembonuses.HeroicDEX / 25; // live has "heroic strickthrough" here to counter
if (counter_block || counter_all) {
float counter = (counter_block + counter_all) / 100.0f;
chance -= chance * counter;
}
if (zone->random.Roll(chance)) {
hit.damage_done = DMG_BLOCKED;
return true;
}
}
// parry
if (CanThisClassParry() && InFront && hit.hand != EQEmu::invslot::slotRange) {
if (IsClient())
CastToClient()->CheckIncreaseSkill(EQEmu::skills::SkillParry, other, -10);
// check auto discs ... I guess aa/items too :P
if (spellbonuses.ParryChance == 10000 || aabonuses.ParryChance == 10000 || itembonuses.ParryChance == 10000) {
hit.damage_done = DMG_PARRIED;
return true;
}
int chance = GetSkill(EQEmu::skills::SkillParry) + 100;
chance += (chance * (aabonuses.ParryChance + spellbonuses.ParryChance + itembonuses.ParryChance)) / 100;
chance /= 45;
chance += itembonuses.HeroicDEX / 25; // live has "heroic strickthrough" here to counter
if (counter_parry || counter_all) {
float counter = (counter_parry + counter_all) / 100.0f;
chance -= chance * counter;
}
if (zone->random.Roll(chance)) {
hit.damage_done = DMG_PARRIED;
return true;
}
}
// dodge
if (CanThisClassDodge() && (InFront || GetClass() == MONK)) {
if (IsClient())
CastToClient()->CheckIncreaseSkill(EQEmu::skills::SkillDodge, other, -10);
// check auto discs ... I guess aa/items too :P
if (spellbonuses.DodgeChance == 10000 || aabonuses.DodgeChance == 10000 || itembonuses.DodgeChance == 10000) {
hit.damage_done = DMG_DODGED;
return true;
}
int chance = GetSkill(EQEmu::skills::SkillDodge) + 100;
chance += (chance * (aabonuses.DodgeChance + spellbonuses.DodgeChance + itembonuses.DodgeChance)) / 100;
chance /= 45;
chance += itembonuses.HeroicAGI / 25; // live has "heroic strickthrough" here to counter
if (counter_dodge || counter_all) {
float counter = (counter_dodge + counter_all) / 100.0f;
chance -= chance * counter;
}
if (zone->random.Roll(chance)) {
hit.damage_done = DMG_DODGED;
return true;
}
}
// Try Shield Block OR TwoHandBluntBlockCheck
if (HasShieldEquiped() && (aabonuses.ShieldBlock || spellbonuses.ShieldBlock || itembonuses.ShieldBlock) && (InFront || bBlockFromRear)) {
int chance = aabonuses.ShieldBlock + spellbonuses.ShieldBlock + itembonuses.ShieldBlock;
if (counter_block || counter_all) {
float counter = (counter_block + counter_all) / 100.0f;
chance -= chance * counter;
}
if (zone->random.Roll(chance)) {
hit.damage_done = DMG_BLOCKED;
return true;
}
}
if (HasTwoHandBluntEquiped() && (aabonuses.TwoHandBluntBlock || spellbonuses.TwoHandBluntBlock || itembonuses.TwoHandBluntBlock) && (InFront || bBlockFromRear)) {
int chance = aabonuses.TwoHandBluntBlock + itembonuses.TwoHandBluntBlock + spellbonuses.TwoHandBluntBlock;
if (counter_block || counter_all) {
float counter = (counter_block + counter_all) / 100.0f;
chance -= chance * counter;
}
if (zone->random.Roll(chance)) {
hit.damage_done = DMG_BLOCKED;
return true;
}
}
return false;
}
int Mob::GetACSoftcap()
{
// from test server Resources/ACMitigation.txt
static int war_softcaps[] = {
312, 314, 316, 318, 320, 322, 324, 326, 328, 330, 332, 334, 336, 338, 340, 342, 344, 346, 348, 350, 352,
354, 356, 358, 360, 362, 364, 366, 368, 370, 372, 374, 376, 378, 380, 382, 384, 386, 388, 390, 392, 394,
396, 398, 400, 402, 404, 406, 408, 410, 412, 414, 416, 418, 420, 422, 424, 426, 428, 430, 432, 434, 436,
438, 440, 442, 444, 446, 448, 450, 452, 454, 456, 458, 460, 462, 464, 466, 468, 470, 472, 474, 476, 478,
480, 482, 484, 486, 488, 490, 492, 494, 496, 498, 500, 502, 504, 506, 508, 510, 512, 514, 516, 518, 520
};
static int clrbrdmnk_softcaps[] = {
274, 276, 278, 278, 280, 282, 284, 286, 288, 290, 292, 292, 294, 296, 298, 300, 302, 304, 306, 308, 308,
310, 312, 314, 316, 318, 320, 322, 322, 324, 326, 328, 330, 332, 334, 336, 336, 338, 340, 342, 344, 346,
348, 350, 352, 352, 354, 356, 358, 360, 362, 364, 366, 366, 368, 370, 372, 374, 376, 378, 380, 380, 382,
384, 386, 388, 390, 392, 394, 396, 396, 398, 400, 402, 404, 406, 408, 410, 410, 412, 414, 416, 418, 420,
422, 424, 424, 426, 428, 430, 432, 434, 436, 438, 440, 440, 442, 444, 446, 448, 450, 452, 454, 454, 456
};
static int palshd_softcaps[] = {
298, 300, 302, 304, 306, 308, 310, 312, 314, 316, 318, 320, 322, 324, 326, 328, 330, 332, 334, 336, 336,
338, 340, 342, 344, 346, 348, 350, 352, 354, 356, 358, 360, 362, 364, 366, 368, 370, 372, 374, 376, 378,
380, 382, 384, 384, 386, 388, 390, 392, 394, 396, 398, 400, 402, 404, 406, 408, 410, 412, 414, 416, 418,
420, 422, 424, 426, 428, 430, 432, 432, 434, 436, 438, 440, 442, 444, 446, 448, 450, 452, 454, 456, 458,
460, 462, 464, 466, 468, 470, 472, 474, 476, 478, 480, 480, 482, 484, 486, 488, 490, 492, 494, 496, 498
};
static int rng_softcaps[] = {
286, 288, 290, 292, 294, 296, 298, 298, 300, 302, 304, 306, 308, 310, 312, 314, 316, 318, 320, 322, 322,
324, 326, 328, 330, 332, 334, 336, 338, 340, 342, 344, 344, 346, 348, 350, 352, 354, 356, 358, 360, 362,
364, 366, 368, 368, 370, 372, 374, 376, 378, 380, 382, 384, 386, 388, 390, 390, 392, 394, 396, 398, 400,
402, 404, 406, 408, 410, 412, 414, 414, 416, 418, 420, 422, 424, 426, 428, 430, 432, 434, 436, 436, 438,
440, 442, 444, 446, 448, 450, 452, 454, 456, 458, 460, 460, 462, 464, 466, 468, 470, 472, 474, 476, 478
};
static int dru_softcaps[] = {
254, 256, 258, 260, 262, 264, 264, 266, 268, 270, 272, 272, 274, 276, 278, 280, 282, 282, 284, 286, 288,
290, 290, 292, 294, 296, 298, 300, 300, 302, 304, 306, 308, 308, 310, 312, 314, 316, 318, 318, 320, 322,
324, 326, 328, 328, 330, 332, 334, 336, 336, 338, 340, 342, 344, 346, 346, 348, 350, 352, 354, 354, 356,
358, 360, 362, 364, 364, 366, 368, 370, 372, 372, 374, 376, 378, 380, 382, 382, 384, 386, 388, 390, 390,
392, 394, 396, 398, 400, 400, 402, 404, 406, 408, 410, 410, 412, 414, 416, 418, 418, 420, 422, 424, 426
};
static int rogshmbstber_softcaps[] = {
264, 266, 268, 270, 272, 272, 274, 276, 278, 280, 282, 282, 284, 286, 288, 290, 292, 294, 294, 296, 298,
300, 302, 304, 306, 306, 308, 310, 312, 314, 316, 316, 318, 320, 322, 324, 326, 328, 328, 330, 332, 334,
336, 338, 340, 340, 342, 344, 346, 348, 350, 350, 352, 354, 356, 358, 360, 362, 362, 364, 366, 368, 370,
372, 374, 374, 376, 378, 380, 382, 384, 384, 386, 388, 390, 392, 394, 396, 396, 398, 400, 402, 404, 406,
408, 408, 410, 412, 414, 416, 418, 418, 420, 422, 424, 426, 428, 430, 430, 432, 434, 436, 438, 440, 442
};
static int necwizmagenc_softcaps[] = {
248, 250, 252, 254, 256, 256, 258, 260, 262, 264, 264, 266, 268, 270, 272, 272, 274, 276, 278, 280, 280,
282, 284, 286, 288, 288, 290, 292, 294, 296, 296, 298, 300, 302, 304, 304, 306, 308, 310, 312, 312, 314,
316, 318, 320, 320, 322, 324, 326, 328, 328, 330, 332, 334, 336, 336, 338, 340, 342, 344, 344, 346, 348,
350, 352, 352, 354, 356, 358, 360, 360, 362, 364, 366, 368, 368, 370, 372, 374, 376, 376, 378, 380, 382,
384, 384, 386, 388, 390, 392, 392, 394, 396, 398, 400, 400, 402, 404, 406, 408, 408, 410, 412, 414, 416
};
int level = std::min(105, static_cast<int>(GetLevel())) - 1;
switch (GetClass()) {
case WARRIOR:
return war_softcaps[level];
case CLERIC:
case BARD:
case MONK:
return clrbrdmnk_softcaps[level];
case PALADIN:
case SHADOWKNIGHT:
return palshd_softcaps[level];
case RANGER:
return rng_softcaps[level];
case DRUID:
return dru_softcaps[level];
case ROGUE:
case SHAMAN:
case BEASTLORD:
case BERSERKER:
return rogshmbstber_softcaps[level];
case NECROMANCER:
case WIZARD:
case MAGICIAN:
case ENCHANTER:
return necwizmagenc_softcaps[level];
default:
return 350;
}
}
double Mob::GetSoftcapReturns()
{
// These are based on the dev post, they seem to be correct for every level
// AKA no more hard caps
switch (GetClass()) {
case WARRIOR:
return 0.35;
case CLERIC:
case BARD:
case MONK:
return 0.3;
case PALADIN:
case SHADOWKNIGHT:
return 0.33;
case RANGER:
return 0.315;
case DRUID:
return 0.265;
case ROGUE:
case SHAMAN:
case BEASTLORD:
case BERSERKER:
return 0.28;
case NECROMANCER:
case WIZARD:
case MAGICIAN:
case ENCHANTER:
return 0.25;
default:
return 0.3;
}
}
int Mob::GetClassRaceACBonus()
{
int ac_bonus = 0;
auto level = GetLevel();
if (GetClass() == MONK) {
int hardcap = 30;
int softcap = 14;
if (level > 99) {
hardcap = 58;
softcap = 35;
}
else if (level > 94) {
hardcap = 57;
softcap = 34;
}
else if (level > 89) {
hardcap = 56;
softcap = 33;
}
else if (level > 84) {
hardcap = 55;
softcap = 32;
}
else if (level > 79) {
hardcap = 54;
softcap = 31;
}
else if (level > 74) {
hardcap = 53;
softcap = 30;
}
else if (level > 69) {
hardcap = 53;
softcap = 28;
}
else if (level > 64) {
hardcap = 53;
softcap = 26;
}
else if (level > 63) {
hardcap = 50;
softcap = 24;
}
else if (level > 61) {
hardcap = 47;
softcap = 24;
}
else if (level > 59) {
hardcap = 45;
softcap = 24;
}
else if (level > 54) {
hardcap = 40;
softcap = 20;
}
else if (level > 50) {
hardcap = 38;
softcap = 18;
}
else if (level > 44) {
hardcap = 36;
softcap = 17;
}
else if (level > 29) {
hardcap = 34;
softcap = 16;
}
else if (level > 14) {
hardcap = 32;
softcap = 15;
}
int weight = IsClient() ? CastToClient()->CalcCurrentWeight() : 0;
if (weight < hardcap - 1) {
int temp = level + 5;
if (weight > softcap) {
double redux = (weight - softcap) * 6.66667;
redux = (100.0 - std::min(100.0, redux)) * 0.01;
temp = std::max(0, static_cast<int>(temp * redux));
}
ac_bonus = (4 * temp) / 3;
}
else if (weight > hardcap + 1) {
int temp = level + 5;
double multiplier = std::min(1.0, (weight - (hardcap - 10.0)) / 100.0);
temp = (4 * temp) / 3;
ac_bonus -= static_cast<int>(temp * multiplier);
}
}
if (GetClass() == ROGUE) {
int level_scaler = level - 26;
if (GetAGI() < 80)
ac_bonus = level_scaler / 4;
else if (GetAGI() < 85)
ac_bonus = (level_scaler * 2) / 4;
else if (GetAGI() < 90)
ac_bonus = (level_scaler * 3) / 4;
else if (GetAGI() < 100)
ac_bonus = (level_scaler * 4) / 4;
else if (GetAGI() >= 100)
ac_bonus = (level_scaler * 5) / 4;
if (ac_bonus > 12)
ac_bonus = 12;
}
if (GetClass() == BEASTLORD) {
int level_scaler = level - 6;
if (GetAGI() < 80)
ac_bonus = level_scaler / 5;
else if (GetAGI() < 85)
ac_bonus = (level_scaler * 2) / 5;
else if (GetAGI() < 90)
ac_bonus = (level_scaler * 3) / 5;
else if (GetAGI() < 100)
ac_bonus = (level_scaler * 4) / 5;
else if (GetAGI() >= 100)
ac_bonus = (level_scaler * 5) / 5;
if (ac_bonus > 16)
ac_bonus = 16;
}
if (GetRace() == IKSAR)
ac_bonus += EQEmu::Clamp(static_cast<int>(level), 10, 35);
return ac_bonus;
}
int Mob::ACSum()
{
int ac = 0; // this should be base AC whenever shrouds come around
ac += itembonuses.AC; // items + food + tribute
int shield_ac = 0;
if (HasShieldEquiped() && IsClient()) {
auto client = CastToClient();
auto inst = client->GetInv().GetItem(EQEmu::invslot::slotSecondary);
if (inst) {
if (inst->GetItemRecommendedLevel(true) <= GetLevel())
shield_ac = inst->GetItemArmorClass(true);
else
shield_ac = client->CalcRecommendedLevelBonus(GetLevel(), inst->GetItemRecommendedLevel(true), inst->GetItemArmorClass(true));
}
shield_ac += client->GetHeroicSTR() / 10;
}
// EQ math
ac = (ac * 4) / 3;
// anti-twink
if (IsClient() && GetLevel() < 50)
ac = std::min(ac, 25 + 6 * GetLevel());
ac = std::max(0, ac + GetClassRaceACBonus());
if (IsNPC()) {
// This is the developer tweaked number
// for the VAST amount of NPCs in EQ this number didn't exceed 600 until recently (PoWar)
// According to the guild hall Combat Dummies, a level 50 classic EQ mob it should be ~115
// For a 60 PoP mob ~120, 70 OoW ~120
ac += GetAC();
Mob *owner = nullptr;
if (IsPet())
owner = GetOwner();
else if (CastToNPC()->GetSwarmOwner())
owner = entity_list.GetMobID(CastToNPC()->GetSwarmOwner());
if (owner)
ac += owner->aabonuses.PetAvoidance + owner->spellbonuses.PetAvoidance + owner->itembonuses.PetAvoidance;
auto spell_aa_ac = aabonuses.AC + spellbonuses.AC;
ac += GetSkill(EQEmu::skills::SkillDefense) / 5;
if (EQEmu::ValueWithin(static_cast<int>(GetClass()), NECROMANCER, ENCHANTER))
ac += spell_aa_ac / 3;
else
ac += spell_aa_ac / 4;
}
else { // TODO: so we can't set NPC skills ... so the skill bonus ends up being HUGE so lets nerf them a bit
auto spell_aa_ac = aabonuses.AC + spellbonuses.AC;
if (EQEmu::ValueWithin(static_cast<int>(GetClass()), NECROMANCER, ENCHANTER))
ac += GetSkill(EQEmu::skills::SkillDefense) / 2 + spell_aa_ac / 3;
else
ac += GetSkill(EQEmu::skills::SkillDefense) / 3 + spell_aa_ac / 4;
}
if (GetAGI() > 70)
ac += GetAGI() / 20;
if (ac < 0)
ac = 0;
if (IsClient()
#ifdef BOTS
|| IsBot()
#endif
) {
auto softcap = GetACSoftcap();
auto returns = GetSoftcapReturns();
int total_aclimitmod = aabonuses.CombatStability + itembonuses.CombatStability + spellbonuses.CombatStability;
if (total_aclimitmod)
softcap = (softcap * (100 + total_aclimitmod)) / 100;
softcap += shield_ac;
if (ac > softcap) {
auto over_cap = ac - softcap;
ac = softcap + (over_cap * returns);
}
Log(Logs::Detail, Logs::Combat, "ACSum ac %d softcap %d returns %f", ac, softcap, returns);
}
else {
Log(Logs::Detail, Logs::Combat, "ACSum ac %d", ac);
}
return ac;
}
int Mob::GetBestMeleeSkill()
{
int bestSkill=0;
EQEmu::skills::SkillType meleeSkills[]=
{ EQEmu::skills::Skill1HBlunt,
EQEmu::skills::Skill1HSlashing,
EQEmu::skills::Skill2HBlunt,
EQEmu::skills::Skill2HSlashing,
EQEmu::skills::SkillHandtoHand,
EQEmu::skills::Skill1HPiercing,
EQEmu::skills::Skill2HPiercing,
EQEmu::skills::SkillCount
};
int i;
for (i=0; meleeSkills[i] != EQEmu::skills::SkillCount; ++i) {
int value;
value = GetSkill(meleeSkills[i]);
bestSkill = std::max(value, bestSkill);
}
return bestSkill;
}
int Mob::offense(EQEmu::skills::SkillType skill)
{
int offense = GetSkill(skill);
int stat_bonus = GetSTR();
switch (skill) {
case EQEmu::skills::SkillArchery:
case EQEmu::skills::SkillThrowing:
stat_bonus = GetDEX();
break;
// Mobs with no weapons default to H2H.
// Since H2H is capped at 100 for many many classes,
// lets not handicap mobs based on not spawning with a
// weapon.
//
// Maybe we tweak this if Disarm is actually implemented.
case EQEmu::skills::SkillHandtoHand:
offense = GetBestMeleeSkill();
break;
}
if (stat_bonus >= 75)
offense += (2 * stat_bonus - 150) / 3;
offense += GetATK();
return offense;
}
// this assumes "this" is the defender
// this returns between 0.1 to 2.0
double Mob::RollD20(int offense, int mitigation)
{
static double mods[] = {
0.1, 0.2, 0.3, 0.4, 0.5,
0.6, 0.7, 0.8, 0.9, 1.0,
1.1, 1.2, 1.3, 1.4, 1.5,
1.6, 1.7, 1.8, 1.9, 2.0
};
if (IsClient() && CastToClient()->IsSitting())
return mods[19];
auto atk_roll = zone->random.Roll0(offense + 5);
auto def_roll = zone->random.Roll0(mitigation + 5);
int avg = (offense + mitigation + 10) / 2;
int index = std::max(0, (atk_roll - def_roll) + (avg / 2));
index = EQEmu::Clamp((index * 20) / avg, 0, 19);
return mods[index];
}
void Mob::MeleeMitigation(Mob *attacker, DamageHitInfo &hit, ExtraAttackOptions *opts)
{
#ifdef LUA_EQEMU
bool ignoreDefault = false;
LuaParser::Instance()->MeleeMitigation(this, attacker, hit, opts, ignoreDefault);
if (ignoreDefault) {
return;
}
#endif
if (hit.damage_done < 0 || hit.base_damage == 0)
return;
Mob* defender = this;
auto mitigation = defender->GetMitigationAC();
if (IsClient() && attacker->IsClient())
mitigation = mitigation * 80 / 100; // 2004 PvP changes
if (opts) {
mitigation *= (1.0f - opts->armor_pen_percent);
mitigation -= opts->armor_pen_flat;
}
auto roll = RollD20(hit.offense, mitigation);
// +0.5 for rounding, min to 1 dmg
hit.damage_done = std::max(static_cast<int>(roll * static_cast<double>(hit.base_damage) + 0.5), 1);
Log(Logs::Detail, Logs::Attack, "mitigation %d vs offense %d. base %d rolled %f damage %d", mitigation, hit.offense, hit.base_damage, roll, hit.damage_done);
}
//Returns the weapon damage against the input mob
//if we cannot hit the mob with the current weapon we will get a value less than or equal to zero
//Else we know we can hit.
//GetWeaponDamage(mob*, const EQEmu::ItemData*) is intended to be used for mobs or any other situation where we do not have a client inventory item
//GetWeaponDamage(mob*, const EQEmu::ItemInstance*) is intended to be used for situations where we have a client inventory item
int Mob::GetWeaponDamage(Mob *against, const EQEmu::ItemData *weapon_item) {
int dmg = 0;
int banedmg = 0;
//can't hit invulnerable stuff with weapons.
if (against->GetInvul() || against->GetSpecialAbility(IMMUNE_MELEE)) {
return 0;
}
//check to see if our weapons or fists are magical.
if (against->GetSpecialAbility(IMMUNE_MELEE_NONMAGICAL)) {
if (weapon_item) {
if (weapon_item->Magic) {
dmg = weapon_item->Damage;
//this is more for non weapon items, ex: boots for kick
//they don't have a dmg but we should be able to hit magical
dmg = dmg <= 0 ? 1 : dmg;
}
else
return 0;
}
else {
if ((GetClass() == MONK || GetClass() == BEASTLORD) && GetLevel() >= 30) {
dmg = GetHandToHandDamage();