src/game/StatSystem.cpp

   1 /*
   2  * Copyright (C) 2005-2008 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program 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  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "Unit.h"
  20 #include "Player.h"
  21 #include "Pet.h"
  22 #include "Creature.h"
  23 #include "SharedDefines.h"
  24 #include "SpellAuras.h"
  25
  26 /*#######################################
  27 ########                         ########
  28 ########   PLAYERS STAT SYSTEM   ########
  29 ########                         ########
  30 #######################################*/
  31
  32 bool Player::UpdateStats(Stats stat)
  33 {
  34     if(stat > STAT_SPIRIT)
  35         return false;
  36
  37     // value = ((base_value * base_pct) + total_value) * total_pct
  38     float value  = GetTotalStatValue(stat);
  39
  40     SetStat(stat, int32(value));
  41
  42     if(stat == STAT_STAMINA || stat == STAT_INTELLECT)
  43     {
  44         Pet *pet = GetPet();
  45         if(pet)
  46             pet->UpdateStats(stat);
  47     }
  48
  49     switch(stat)
  50     {
  51         case STAT_STRENGTH:
  52             UpdateAttackPowerAndDamage();
  53             UpdateShieldBlockValue();
  54             break;
  55         case STAT_AGILITY:
  56             UpdateArmor();
  57             UpdateAttackPowerAndDamage(true);
  58             if(getClass() == CLASS_ROGUE || getClass() == CLASS_HUNTER || getClass() == CLASS_DRUID && m_form==FORM_CAT)
  59                 UpdateAttackPowerAndDamage();
  60
  61             UpdateAllCritPercentages();
  62             UpdateDodgePercentage();
  63             break;
  64
  65         case STAT_STAMINA:   UpdateMaxHealth(); break;
  66         case STAT_INTELLECT:
  67             UpdateMaxPower(POWER_MANA);
  68             UpdateAllSpellCritChances();
  69             UpdateAttackPowerAndDamage(true);               //SPELL_AURA_MOD_RANGED_ATTACK_POWER_OF_STAT_PERCENT, only intelect currently
  70             UpdateArmor();                                  //SPELL_AURA_MOD_RESISTANCE_OF_INTELLECT_PERCENT, only armor currently
  71             break;
  72
  73         case STAT_SPIRIT:
  74             break;
  75
  76         default:
  77             break;
  78     }
  79     UpdateSpellDamageAndHealingBonus();
  80     UpdateManaRegen();
  81     return true;
  82 }
  83
  84 void Player::UpdateSpellDamageAndHealingBonus()
  85 {
  86     // Magic damage modifiers implemented in Unit::SpellDamageBonus
  87     // This information for client side use only
  88     // Get healing bonus for all schools
  89     SetStatInt32Value(PLAYER_FIELD_MOD_HEALING_DONE_POS, SpellBaseHealingBonus(SPELL_SCHOOL_MASK_ALL));
  90     // Get damage bonus for all schools
  91     for(int i = SPELL_SCHOOL_HOLY; i < MAX_SPELL_SCHOOL; i++)
  92         SetStatInt32Value(PLAYER_FIELD_MOD_DAMAGE_DONE_POS+i, SpellBaseDamageBonus(SpellSchoolMask(1 << i)));
  93 }
  94
  95 bool Player::UpdateAllStats()
  96 {
  97     for (int i = STAT_STRENGTH; i < MAX_STATS; i++)
  98     {
  99         float value = GetTotalStatValue(Stats(i));
 100         SetStat(Stats(i), (int32)value);
 101     }
 102
 103     UpdateAttackPowerAndDamage();
 104     UpdateAttackPowerAndDamage(true);
 105     UpdateArmor();
 106     UpdateMaxHealth();
 107
 108     for(int i = POWER_MANA; i < MAX_POWERS; i++)
 109         UpdateMaxPower(Powers(i));
 110
 111     UpdateAllCritPercentages();
 112     UpdateAllSpellCritChances();
 113     UpdateDefenseBonusesMod();
 114     UpdateShieldBlockValue();
 115     UpdateSpellDamageAndHealingBonus();
 116     UpdateManaRegen();
 117     UpdateExpertise(BASE_ATTACK);
 118     UpdateExpertise(OFF_ATTACK);
 119     for (int i = SPELL_SCHOOL_NORMAL; i < MAX_SPELL_SCHOOL; i++)
 120         UpdateResistances(i);
 121
 122     return true;
 123 }
 124
 125 void Player::UpdateResistances(uint32 school)
 126 {
 127     if(school > SPELL_SCHOOL_NORMAL)
 128     {
 129         float value  = GetTotalAuraModValue(UnitMods(UNIT_MOD_RESISTANCE_START + school));
 130         SetResistance(SpellSchools(school), int32(value));
 131
 132         Pet *pet = GetPet();
 133         if(pet)
 134             pet->UpdateResistances(school);
 135     }
 136     else
 137         UpdateArmor();
 138 }
 139
 140 void Player::UpdateArmor()
 141 {
 142     float value = 0.0f;
 143     UnitMods unitMod = UNIT_MOD_ARMOR;
 144
 145     value  = GetModifierValue(unitMod, BASE_VALUE);         // base armor (from items)
 146     value *= GetModifierValue(unitMod, BASE_PCT);           // armor percent from items
 147     value += GetStat(STAT_AGILITY) * 2.0f;                  // armor bonus from stats
 148     value += GetModifierValue(unitMod, TOTAL_VALUE);
 149
 150     //add dynamic flat mods
 151     AuraList const& mResbyIntellect = GetAurasByType(SPELL_AURA_MOD_RESISTANCE_OF_STAT_PERCENT);
 152     for(AuraList::const_iterator i = mResbyIntellect.begin();i != mResbyIntellect.end(); ++i)
 153     {
 154         Modifier* mod = (*i)->GetModifier();
 155         if(mod->m_miscvalue & SPELL_SCHOOL_MASK_NORMAL)
 156             value += int32(GetStat(Stats((*i)->GetMiscBValue())) * mod->m_amount / 100.0f);
 157     }
 158
 159     value *= GetModifierValue(unitMod, TOTAL_PCT);
 160
 161     SetArmor(int32(value));
 162
 163     Pet *pet = GetPet();
 164     if(pet)
 165         pet->UpdateArmor();
 166 }
 167
 168 float Player::GetHealthBonusFromStamina()
 169 {
 170     float stamina = GetStat(STAT_STAMINA);
 171
 172     float baseStam = stamina < 20 ? stamina : 20;
 173     float moreStam = stamina - baseStam;
 174
 175     return baseStam + (moreStam*10.0f);
 176 }
 177
 178 float Player::GetManaBonusFromIntellect()
 179 {
 180     float intellect = GetStat(STAT_INTELLECT);
 181
 182     float baseInt = intellect < 20 ? intellect : 20;
 183     float moreInt = intellect - baseInt;
 184
 185     return baseInt + (moreInt*15.0f);
 186 }
 187
 188 void Player::UpdateMaxHealth()
 189 {
 190     UnitMods unitMod = UNIT_MOD_HEALTH;
 191
 192     float value = GetModifierValue(unitMod, BASE_VALUE) + GetCreateHealth();
 193     value *= GetModifierValue(unitMod, BASE_PCT);
 194     value += GetModifierValue(unitMod, TOTAL_VALUE) + GetHealthBonusFromStamina();
 195     value *= GetModifierValue(unitMod, TOTAL_PCT);
 196
 197     SetMaxHealth((uint32)value);
 198 }
 199
 200 void Player::UpdateMaxPower(Powers power)
 201 {
 202     UnitMods unitMod = UnitMods(UNIT_MOD_POWER_START + power);
 203
 204     float bonusPower = (power == POWER_MANA) ? GetManaBonusFromIntellect() : 0;
 205
 206     float value = GetModifierValue(unitMod, BASE_VALUE) + GetCreatePowers(power);
 207     value *= GetModifierValue(unitMod, BASE_PCT);
 208     value += GetModifierValue(unitMod, TOTAL_VALUE) +  bonusPower;
 209     value *= GetModifierValue(unitMod, TOTAL_PCT);
 210
 211     SetMaxPower(power, uint32(value));
 212 }
 213
 214 void Player::UpdateAttackPowerAndDamage(bool ranged )
 215 {
 216     float val2 = 0.0f;
 217     float level = float(getLevel());
 218
 219     UnitMods unitMod = ranged ? UNIT_MOD_ATTACK_POWER_RANGED : UNIT_MOD_ATTACK_POWER;
 220
 221     uint16 index = UNIT_FIELD_ATTACK_POWER;
 222     uint16 index_mod = UNIT_FIELD_ATTACK_POWER_MODS;
 223     uint16 index_mult = UNIT_FIELD_ATTACK_POWER_MULTIPLIER;
 224
 225     if(ranged)
 226     {
 227         index = UNIT_FIELD_RANGED_ATTACK_POWER;
 228         index_mod = UNIT_FIELD_RANGED_ATTACK_POWER_MODS;
 229         index_mult = UNIT_FIELD_RANGED_ATTACK_POWER_MULTIPLIER;
 230
 231         switch(getClass())
 232         {
 233             case CLASS_HUNTER: val2 = level * 2.0f + GetStat(STAT_AGILITY) - 10.0f;    break;
 234             case CLASS_ROGUE:  val2 = level        + GetStat(STAT_AGILITY) - 10.0f;    break;
 235             case CLASS_WARRIOR:val2 = level        + GetStat(STAT_AGILITY) - 10.0f;    break;
 236             case CLASS_DRUID:
 237                 switch(m_form)
 238                 {
 239                     case FORM_CAT:
 240                     case FORM_BEAR:
 241                     case FORM_DIREBEAR:
 242                         val2 = 0.0f; break;
 243                     default:
 244                         val2 = GetStat(STAT_AGILITY) - 10.0f; break;
 245                 }
 246                 break;
 247             default: val2 = GetStat(STAT_AGILITY) - 10.0f; break;
 248         }
 249     }
 250     else
 251     {
 252         switch(getClass())
 253         {
 254             case CLASS_WARRIOR: val2 = level*3.0f + GetStat(STAT_STRENGTH)*2.0f                    - 20.0f; break;
 255             case CLASS_PALADIN: val2 = level*3.0f + GetStat(STAT_STRENGTH)*2.0f                    - 20.0f; break;
 256             case CLASS_ROGUE:   val2 = level*2.0f + GetStat(STAT_STRENGTH) + GetStat(STAT_AGILITY) - 20.0f; break;
 257             case CLASS_HUNTER:  val2 = level*2.0f + GetStat(STAT_STRENGTH) + GetStat(STAT_AGILITY) - 20.0f; break;
 258             case CLASS_SHAMAN:  val2 = level*2.0f + GetStat(STAT_STRENGTH)*2.0f                    - 20.0f; break;
 259             case CLASS_DRUID:
 260             {
 261                 //Check if Predatory Strikes is skilled
 262                 float mLevelMult = 0.0;
 263                 switch(m_form)
 264                 {
 265                     case FORM_CAT:
 266                     case FORM_BEAR:
 267                     case FORM_DIREBEAR:
 268                     case FORM_MOONKIN:
 269                     {
 270                         Unit::AuraList const& mDummy = GetAurasByType(SPELL_AURA_DUMMY);
 271                         for(Unit::AuraList::const_iterator itr = mDummy.begin(); itr != mDummy.end(); ++itr)
 272                         {
 273                             // Predatory Strikes
 274                             if ((*itr)->GetSpellProto()->SpellIconID == 1563)
 275                             {
 276                                 mLevelMult = (*itr)->GetModifier()->m_amount / 100.0f;
 277                                 break;
 278                             }
 279                         }
 280                         break;
 281                     }
 282                 }
 283
 284                 switch(m_form)
 285                 {
 286                     case FORM_CAT:
 287                         val2 = getLevel()*(mLevelMult+2.0f) + GetStat(STAT_STRENGTH)*2.0f + GetStat(STAT_AGILITY) - 20.0f; break;
 288                     case FORM_BEAR:
 289                     case FORM_DIREBEAR:
 290                         val2 = getLevel()*(mLevelMult+3.0f) + GetStat(STAT_STRENGTH)*2.0f - 20.0f; break;
 291                     case FORM_MOONKIN:
 292                         val2 = getLevel()*(mLevelMult+1.5f) + GetStat(STAT_STRENGTH)*2.0f - 20.0f; break;
 293                     default:
 294                         val2 = GetStat(STAT_STRENGTH)*2.0f - 20.0f; break;
 295                 }
 296                 break;
 297             }
 298             case CLASS_MAGE:    val2 =              GetStat(STAT_STRENGTH)                         - 10.0f; break;
 299             case CLASS_PRIEST:  val2 =              GetStat(STAT_STRENGTH)                         - 10.0f; break;
 300             case CLASS_WARLOCK: val2 =              GetStat(STAT_STRENGTH)                         - 10.0f; break;
 301         }
 302     }
 303
 304     SetModifierValue(unitMod, BASE_VALUE, val2);
 305
 306     float base_attPower  = GetModifierValue(unitMod, BASE_VALUE) * GetModifierValue(unitMod, BASE_PCT);
 307     float attPowerMod = GetModifierValue(unitMod, TOTAL_VALUE);
 308
 309     //add dynamic flat mods
 310     if( ranged && (getClassMask() & CLASSMASK_WAND_USERS)==0)
 311     {
 312         AuraList const& mRAPbyIntellect = GetAurasByType(SPELL_AURA_MOD_RANGED_ATTACK_POWER_OF_STAT_PERCENT);
 313         for(AuraList::const_iterator i = mRAPbyIntellect.begin();i != mRAPbyIntellect.end(); ++i)
 314             attPowerMod += int32(GetStat(Stats((*i)->GetModifier()->m_miscvalue)) * (*i)->GetModifier()->m_amount / 100.0f);
 315     }
 316
 317     float attPowerMultiplier = GetModifierValue(unitMod, TOTAL_PCT) - 1.0f;
 318
 319     SetUInt32Value(index, (uint32)base_attPower);           //UNIT_FIELD_(RANGED)_ATTACK_POWER field
 320     SetUInt32Value(index_mod, (uint32)attPowerMod);         //UNIT_FIELD_(RANGED)_ATTACK_POWER_MODS field
 321     SetFloatValue(index_mult, attPowerMultiplier);          //UNIT_FIELD_(RANGED)_ATTACK_POWER_MULTIPLIER field
 322
 323     //automatically update weapon damage after attack power modification
 324     if(ranged)
 325     {
 326         UpdateDamagePhysical(RANGED_ATTACK);
 327
 328         Pet *pet = GetPet();                                //update pet's AP
 329         if(pet)
 330             pet->UpdateAttackPowerAndDamage();
 331     }
 332     else
 333     {
 334         UpdateDamagePhysical(BASE_ATTACK);
 335         if(CanDualWield() && haveOffhandWeapon())           //allow update offhand damage only if player knows DualWield Spec and has equipped offhand weapon
 336             UpdateDamagePhysical(OFF_ATTACK);
 337     }
 338 }
 339
 340 void Player::UpdateShieldBlockValue()
 341 {
 342     SetUInt32Value(PLAYER_SHIELD_BLOCK, GetShieldBlockValue());
 343 }
 344
 345 void Player::CalculateMinMaxDamage(WeaponAttackType attType, bool normalized, float& min_damage, float& max_damage)
 346 {
 347     UnitMods unitMod;
 348     UnitMods attPower;
 349
 350     switch(attType)
 351     {
 352         case BASE_ATTACK:
 353         default:
 354             unitMod = UNIT_MOD_DAMAGE_MAINHAND;
 355             attPower = UNIT_MOD_ATTACK_POWER;
 356             break;
 357         case OFF_ATTACK:
 358             unitMod = UNIT_MOD_DAMAGE_OFFHAND;
 359             attPower = UNIT_MOD_ATTACK_POWER;
 360             break;
 361         case RANGED_ATTACK:
 362             unitMod = UNIT_MOD_DAMAGE_RANGED;
 363             attPower = UNIT_MOD_ATTACK_POWER_RANGED;
 364             break;
 365     }
 366
 367     float att_speed = GetAPMultiplier(attType,normalized);
 368
 369     float base_value  = GetModifierValue(unitMod, BASE_VALUE) + GetTotalAttackPowerValue(attType)/ 14.0f * att_speed;
 370     float base_pct    = GetModifierValue(unitMod, BASE_PCT);
 371     float total_value = GetModifierValue(unitMod, TOTAL_VALUE);
 372     float total_pct   = GetModifierValue(unitMod, TOTAL_PCT);
 373
 374     float weapon_mindamage = GetWeaponDamageRange(attType, MINDAMAGE);
 375     float weapon_maxdamage = GetWeaponDamageRange(attType, MAXDAMAGE);
 376
 377     if (IsInFeralForm())                                    //check if player is druid and in cat or bear forms
 378     {
 379         uint32 lvl = getLevel();
 380         if ( lvl > 60 ) lvl = 60;
 381
 382         weapon_mindamage = lvl*0.85*att_speed;
 383         weapon_maxdamage = lvl*1.25*att_speed;
 384     }
 385     else if(!IsUseEquipedWeapon(attType==BASE_ATTACK))      //check if player not in form but still can't use weapon (broken/etc)
 386     {
 387         weapon_mindamage = BASE_MINDAMAGE;
 388         weapon_maxdamage = BASE_MAXDAMAGE;
 389     }
 390     else if(attType == RANGED_ATTACK)                       //add ammo DPS to ranged damage
 391     {
 392         weapon_mindamage += GetAmmoDPS() * att_speed;
 393         weapon_maxdamage += GetAmmoDPS() * att_speed;
 394     }
 395
 396     min_damage = ((base_value + weapon_mindamage) * base_pct + total_value) * total_pct;
 397     max_damage = ((base_value + weapon_maxdamage) * base_pct + total_value) * total_pct;
 398 }
 399
 400 void Player::UpdateDamagePhysical(WeaponAttackType attType)
 401 {
 402     float mindamage;
 403     float maxdamage;
 404
 405     CalculateMinMaxDamage(attType,false,mindamage,maxdamage);
 406
 407     switch(attType)
 408     {
 409         case BASE_ATTACK:
 410         default:
 411             SetStatFloatValue(UNIT_FIELD_MINDAMAGE,mindamage);
 412             SetStatFloatValue(UNIT_FIELD_MAXDAMAGE,maxdamage);
 413             break;
 414         case OFF_ATTACK:
 415             SetStatFloatValue(UNIT_FIELD_MINOFFHANDDAMAGE,mindamage);
 416             SetStatFloatValue(UNIT_FIELD_MAXOFFHANDDAMAGE,maxdamage);
 417             break;
 418         case RANGED_ATTACK:
 419             SetStatFloatValue(UNIT_FIELD_MINRANGEDDAMAGE,mindamage);
 420             SetStatFloatValue(UNIT_FIELD_MAXRANGEDDAMAGE,maxdamage);
 421             break;
 422     }
 423 }
 424
 425 void Player::UpdateDefenseBonusesMod()
 426 {
 427     UpdateBlockPercentage();
 428     UpdateParryPercentage();
 429     UpdateDodgePercentage();
 430 }
 431
 432 void Player::UpdateBlockPercentage()
 433 {
 434     // No block
 435     float value = 0.0f;
 436     if(CanBlock())
 437     {
 438         // Base value
 439         value = 5.0f;
 440         // Modify value from defense skill
 441         value += (int32(GetDefenseSkillValue()) - int32(GetMaxSkillValueForLevel())) * 0.04f;
 442         // Increase from SPELL_AURA_MOD_BLOCK_PERCENT aura
 443         value += GetTotalAuraModifier(SPELL_AURA_MOD_BLOCK_PERCENT);
 444         // Increase from rating
 445         value += GetRatingBonusValue(CR_BLOCK);
 446         value = value < 0.0f ? 0.0f : value;
 447     }
 448     SetStatFloatValue(PLAYER_BLOCK_PERCENTAGE, value);
 449 }
 450
 451 void Player::UpdateCritPercentage(WeaponAttackType attType)
 452 {
 453     BaseModGroup modGroup;
 454     uint16 index;
 455     CombatRating cr;
 456
 457     switch(attType)
 458     {
 459         case OFF_ATTACK:
 460             modGroup = OFFHAND_CRIT_PERCENTAGE;
 461             index = PLAYER_OFFHAND_CRIT_PERCENTAGE;
 462             cr = CR_CRIT_MELEE;
 463             break;
 464         case RANGED_ATTACK:
 465             modGroup = RANGED_CRIT_PERCENTAGE;
 466             index = PLAYER_RANGED_CRIT_PERCENTAGE;
 467             cr = CR_CRIT_RANGED;
 468             break;
 469         case BASE_ATTACK:
 470         default:
 471             modGroup = CRIT_PERCENTAGE;
 472             index = PLAYER_CRIT_PERCENTAGE;
 473             cr = CR_CRIT_MELEE;
 474             break;
 475     }
 476
 477     float value = GetTotalPercentageModValue(modGroup) + GetRatingBonusValue(cr);
 478     // Modify crit from weapon skill and maximized defense skill of same level victim difference
 479     value += (int32(GetWeaponSkillValue(attType)) - int32(GetMaxSkillValueForLevel())) * 0.04f;
 480     value = value < 0.0f ? 0.0f : value;
 481     SetStatFloatValue(index, value);
 482 }
 483
 484 void Player::UpdateAllCritPercentages()
 485 {
 486     float value = GetMeleeCritFromAgility();
 487
 488     SetBaseModValue(CRIT_PERCENTAGE, PCT_MOD, value);
 489     SetBaseModValue(OFFHAND_CRIT_PERCENTAGE, PCT_MOD, value);
 490     SetBaseModValue(RANGED_CRIT_PERCENTAGE, PCT_MOD, value);
 491
 492     UpdateCritPercentage(BASE_ATTACK);
 493     UpdateCritPercentage(OFF_ATTACK);
 494     UpdateCritPercentage(RANGED_ATTACK);
 495 }
 496
 497 void Player::UpdateParryPercentage()
 498 {
 499     // No parry
 500     float value = 0.0f;
 501     if (CanParry())
 502     {
 503         // Base parry
 504         value  = 5.0f;
 505         // Modify value from defense skill
 506         value += (int32(GetDefenseSkillValue()) - int32(GetMaxSkillValueForLevel())) * 0.04f;
 507         // Parry from SPELL_AURA_MOD_PARRY_PERCENT aura
 508         value += GetTotalAuraModifier(SPELL_AURA_MOD_PARRY_PERCENT);
 509         // Parry from rating
 510         value += GetRatingBonusValue(CR_PARRY);
 511         value = value < 0.0f ? 0.0f : value;
 512     }
 513     SetStatFloatValue(PLAYER_PARRY_PERCENTAGE, value);
 514 }
 515
 516 void Player::UpdateDodgePercentage()
 517 {
 518     // Dodge from agility
 519     float value = GetDodgeFromAgility();
 520     // Modify value from defense skill
 521     value += (int32(GetDefenseSkillValue()) - int32(GetMaxSkillValueForLevel())) * 0.04f;
 522     // Dodge from SPELL_AURA_MOD_DODGE_PERCENT aura
 523     value += GetTotalAuraModifier(SPELL_AURA_MOD_DODGE_PERCENT);
 524     // Dodge from rating
 525     value += GetRatingBonusValue(CR_DODGE);
 526     value = value < 0.0f ? 0.0f : value;
 527     SetStatFloatValue(PLAYER_DODGE_PERCENTAGE, value);
 528 }
 529
 530 void Player::UpdateSpellCritChance(uint32 school)
 531 {
 532     // For normal school set zero crit chance
 533     if(school == SPELL_SCHOOL_NORMAL)
 534     {
 535         SetFloatValue(PLAYER_SPELL_CRIT_PERCENTAGE1, 0.0f);
 536         return;
 537     }
 538     // For others recalculate it from:
 539     float crit = 0.0f;
 540     // Crit from Intellect
 541     crit += GetSpellCritFromIntellect();
 542     // Increase crit from SPELL_AURA_MOD_SPELL_CRIT_CHANCE
 543     crit += GetTotalAuraModifier(SPELL_AURA_MOD_SPELL_CRIT_CHANCE);
 544     // Increase crit by school from SPELL_AURA_MOD_SPELL_CRIT_CHANCE_SCHOOL
 545     crit += GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_SPELL_CRIT_CHANCE_SCHOOL, 1<<school);
 546     // Increase crit from spell crit ratings
 547     crit += GetRatingBonusValue(CR_CRIT_SPELL);
 548
 549     // Store crit value
 550     SetFloatValue(PLAYER_SPELL_CRIT_PERCENTAGE1 + school, crit);
 551 }
 552
 553 void Player::UpdateAllSpellCritChances()
 554 {
 555     for (int i = SPELL_SCHOOL_NORMAL; i < MAX_SPELL_SCHOOL; i++)
 556         UpdateSpellCritChance(i);
 557 }
 558
 559 void Player::UpdateExpertise(WeaponAttackType attack)
 560 {
 561     if(attack==RANGED_ATTACK)
 562         return;
 563
 564     int32 expertise = int32(GetRatingBonusValue(CR_EXPERTISE));
 565
 566     Item *weapon = GetWeaponForAttack(attack);
 567
 568     AuraList const& expAuras = GetAurasByType(SPELL_AURA_MOD_EXPERTISE);
 569     for(AuraList::const_iterator itr = expAuras.begin(); itr != expAuras.end(); ++itr)
 570     {
 571         // item neutral spell
 572         if((*itr)->GetSpellProto()->EquippedItemClass == -1)
 573             expertise += (*itr)->GetModifier()->m_amount;
 574         // item dependent spell
 575         else if(weapon && weapon->IsFitToSpellRequirements((*itr)->GetSpellProto()))
 576             expertise += (*itr)->GetModifier()->m_amount;
 577     }
 578
 579     if(expertise < 0)
 580         expertise = 0;
 581
 582     switch(attack)
 583     {
 584         case BASE_ATTACK: SetUInt32Value(PLAYER_EXPERTISE, expertise);         break;
 585         case OFF_ATTACK:  SetUInt32Value(PLAYER_OFFHAND_EXPERTISE, expertise); break;
 586         default: break;
 587     }
 588 }
 589
 590 void Player::UpdateManaRegen()
 591 {
 592     float Intellect = GetStat(STAT_INTELLECT);
 593     // Mana regen from spirit and intellect
 594     float power_regen = sqrt(Intellect) * OCTRegenMPPerSpirit();
 595     // Apply PCT bonus from SPELL_AURA_MOD_POWER_REGEN_PERCENT aura on spirit base regen
 596     power_regen *= GetTotalAuraMultiplierByMiscValue(SPELL_AURA_MOD_POWER_REGEN_PERCENT, POWER_MANA);
 597
 598     // Mana regen from SPELL_AURA_MOD_POWER_REGEN aura
 599     float power_regen_mp5 = GetTotalAuraModifierByMiscValue(SPELL_AURA_MOD_POWER_REGEN, POWER_MANA) / 5.0f;
 600
 601     // Get bonus from SPELL_AURA_MOD_MANA_REGEN_FROM_STAT aura
 602     AuraList const& regenAura = GetAurasByType(SPELL_AURA_MOD_MANA_REGEN_FROM_STAT);
 603     for(AuraList::const_iterator i = regenAura.begin();i != regenAura.end(); ++i)
 604     {
 605         Modifier* mod = (*i)->GetModifier();
 606         power_regen_mp5 += GetStat(Stats(mod->m_miscvalue)) * mod->m_amount / 500.0f;
 607     }
 608
 609     // Bonus from some dummy auras
 610     AuraList const& mDummyAuras = GetAurasByType(SPELL_AURA_PERIODIC_DUMMY);
 611     for(AuraList::const_iterator i = mDummyAuras.begin();i != mDummyAuras.end(); ++i)
 612         if((*i)->GetId() == 34074)                          // Aspect of the Viper
 613         {
 614             power_regen_mp5 += (*i)->GetModifier()->m_amount * Intellect / 500.0f;
 615             // Add regen bonus from level in this dummy
 616             power_regen_mp5 += getLevel() * 35 / 100;
 617         }
 618
 619     // Set regen rate in cast state apply only on spirit based regen
 620     int32 modManaRegenInterrupt = GetTotalAuraModifier(SPELL_AURA_MOD_MANA_REGEN_INTERRUPT);
 621     if (modManaRegenInterrupt > 100)
 622         modManaRegenInterrupt = 100;
 623     SetStatFloatValue(PLAYER_FIELD_MOD_MANA_REGEN_INTERRUPT, power_regen_mp5 + power_regen * modManaRegenInterrupt / 100.0f);
 624
 625     SetStatFloatValue(PLAYER_FIELD_MOD_MANA_REGEN, power_regen_mp5 + power_regen);
 626 }
 627
 628 void Player::_ApplyAllStatBonuses()
 629 {
 630     SetCanModifyStats(false);
 631
 632     _ApplyAllAuraMods();
 633     _ApplyAllItemMods();
 634
 635     SetCanModifyStats(true);
 636
 637     UpdateAllStats();
 638 }
 639
 640 void Player::_RemoveAllStatBonuses()
 641 {
 642     SetCanModifyStats(false);
 643
 644     _RemoveAllItemMods();
 645     _RemoveAllAuraMods();
 646
 647     SetCanModifyStats(true);
 648
 649     UpdateAllStats();
 650 }
 651
 652 /*#######################################
 653 ########                         ########
 654 ########    MOBS STAT SYSTEM     ########
 655 ########                         ########
 656 #######################################*/
 657
 658 bool Creature::UpdateStats(Stats /*stat*/)
 659 {
 660     return true;
 661 }
 662
 663 bool Creature::UpdateAllStats()
 664 {
 665     UpdateMaxHealth();
 666     UpdateAttackPowerAndDamage();
 667
 668     for(int i = POWER_MANA; i < MAX_POWERS; ++i)
 669         UpdateMaxPower(Powers(i));
 670
 671     for(int i = SPELL_SCHOOL_NORMAL; i < MAX_SPELL_SCHOOL; ++i)
 672         UpdateResistances(i);
 673
 674     return true;
 675 }
 676
 677 void Creature::UpdateResistances(uint32 school)
 678 {
 679     if(school > SPELL_SCHOOL_NORMAL)
 680     {
 681         float value  = GetTotalAuraModValue(UnitMods(UNIT_MOD_RESISTANCE_START + school));
 682         SetResistance(SpellSchools(school), int32(value));
 683     }
 684     else
 685         UpdateArmor();
 686 }
 687
 688 void Creature::UpdateArmor()
 689 {
 690     float value = GetTotalAuraModValue(UNIT_MOD_ARMOR);
 691     SetArmor(int32(value));
 692 }
 693
 694 void Creature::UpdateMaxHealth()
 695 {
 696     float value = GetTotalAuraModValue(UNIT_MOD_HEALTH);
 697     SetMaxHealth((uint32)value);
 698 }
 699
 700 void Creature::UpdateMaxPower(Powers power)
 701 {
 702     UnitMods unitMod = UnitMods(UNIT_MOD_POWER_START + power);
 703
 704     float value  = GetTotalAuraModValue(unitMod);
 705     SetMaxPower(power, uint32(value));
 706 }
 707
 708 void Creature::UpdateAttackPowerAndDamage(bool ranged)
 709 {
 710     if(ranged)
 711         return;
 712
 713     //automatically update weapon damage after attack power modification
 714     UpdateDamagePhysical(BASE_ATTACK);
 715 }
 716
 717 void Creature::UpdateDamagePhysical(WeaponAttackType attType)
 718 {
 719     if(attType > BASE_ATTACK)
 720         return;
 721
 722     UnitMods unitMod = UNIT_MOD_DAMAGE_MAINHAND;
 723
 724     float att_speed = float(GetAttackTime(BASE_ATTACK))/1000.0f;
 725
 726     float base_value  = GetModifierValue(unitMod, BASE_VALUE) + GetTotalAttackPowerValue(attType)/ 14.0f * att_speed;
 727     float base_pct    = GetModifierValue(unitMod, BASE_PCT);
 728     float total_value = GetModifierValue(unitMod, TOTAL_VALUE);
 729     float total_pct   = GetModifierValue(unitMod, TOTAL_PCT);
 730
 731     float weapon_mindamage = GetWeaponDamageRange(BASE_ATTACK, MINDAMAGE);
 732     float weapon_maxdamage = GetWeaponDamageRange(BASE_ATTACK, MAXDAMAGE);
 733
 734     float mindamage = ((base_value + weapon_mindamage) * base_pct + total_value) * total_pct ;
 735     float maxdamage = ((base_value + weapon_maxdamage) * base_pct + total_value) * total_pct ;
 736
 737     SetStatFloatValue(UNIT_FIELD_MINDAMAGE, mindamage);
 738     SetStatFloatValue(UNIT_FIELD_MAXDAMAGE, maxdamage);
 739 }
 740
 741 /*#######################################
 742 ########                         ########
 743 ########    PETS STAT SYSTEM     ########
 744 ########                         ########
 745 #######################################*/
 746
 747 bool Pet::UpdateStats(Stats stat)
 748 {
 749     if(stat > STAT_SPIRIT)
 750         return false;
 751
 752     // value = ((base_value * base_pct) + total_value) * total_pct
 753     float value  = GetTotalStatValue(stat);
 754
 755     Unit *owner = GetOwner();
 756     if ( stat == STAT_STAMINA )
 757     {
 758         if(owner)
 759             value += float(owner->GetStat(stat)) * 0.3f;
 760     }
 761                                                             //warlock's and mage's pets gain 30% of owner's intellect
 762     else if ( stat == STAT_INTELLECT && getPetType() == SUMMON_PET )
 763     {
 764         if(owner && (owner->getClass() == CLASS_WARLOCK || owner->getClass() == CLASS_MAGE) )
 765             value += float(owner->GetStat(stat)) * 0.3f;
 766     }
 767
 768     SetStat(stat, int32(value));
 769
 770     switch(stat)
 771     {
 772         case STAT_STRENGTH:         UpdateAttackPowerAndDamage();        break;
 773         case STAT_AGILITY:          UpdateArmor();                       break;
 774         case STAT_STAMINA:          UpdateMaxHealth();                   break;
 775         case STAT_INTELLECT:        UpdateMaxPower(POWER_MANA);          break;
 776         case STAT_SPIRIT:
 777         default:
 778             break;
 779     }
 780
 781     return true;
 782 }
 783
 784 bool Pet::UpdateAllStats()
 785 {
 786     for (int i = STAT_STRENGTH; i < MAX_STATS; i++)
 787         UpdateStats(Stats(i));
 788
 789     for(int i = POWER_MANA; i < MAX_POWERS; i++)
 790         UpdateMaxPower(Powers(i));
 791
 792     for (int i = SPELL_SCHOOL_NORMAL; i < MAX_SPELL_SCHOOL; i++)
 793         UpdateResistances(i);
 794
 795     return true;
 796 }
 797
 798 void Pet::UpdateResistances(uint32 school)
 799 {
 800     if(school > SPELL_SCHOOL_NORMAL)
 801     {
 802         float value  = GetTotalAuraModValue(UnitMods(UNIT_MOD_RESISTANCE_START + school));
 803
 804         Unit *owner = GetOwner();
 805         // hunter and warlock pets gain 40% of owner's resistance
 806         if(owner && (getPetType() == HUNTER_PET || getPetType() == SUMMON_PET && owner->getClass() == CLASS_WARLOCK))
 807             value += float(owner->GetResistance(SpellSchools(school))) * 0.4f;
 808
 809         SetResistance(SpellSchools(school), int32(value));
 810     }
 811     else
 812         UpdateArmor();
 813 }
 814
 815 void Pet::UpdateArmor()
 816 {
 817     float value = 0.0f;
 818     float bonus_armor = 0.0f;
 819     UnitMods unitMod = UNIT_MOD_ARMOR;
 820
 821     Unit *owner = GetOwner();
 822     // hunter and warlock pets gain 35% of owner's armor value
 823     if(owner && (getPetType() == HUNTER_PET || getPetType() == SUMMON_PET && owner->getClass() == CLASS_WARLOCK))
 824         bonus_armor = 0.35f * float(owner->GetArmor());
 825
 826     value  = GetModifierValue(unitMod, BASE_VALUE);
 827     value *= GetModifierValue(unitMod, BASE_PCT);
 828     value += GetStat(STAT_AGILITY) * 2.0f;
 829     value += GetModifierValue(unitMod, TOTAL_VALUE) + bonus_armor;
 830     value *= GetModifierValue(unitMod, TOTAL_PCT);
 831
 832     SetArmor(int32(value));
 833 }
 834
 835 void Pet::UpdateMaxHealth()
 836 {
 837     UnitMods unitMod = UNIT_MOD_HEALTH;
 838     float stamina = GetStat(STAT_STAMINA) - GetCreateStat(STAT_STAMINA);
 839
 840     float value   = GetModifierValue(unitMod, BASE_VALUE) + GetCreateHealth();
 841     value  *= GetModifierValue(unitMod, BASE_PCT);
 842     value  += GetModifierValue(unitMod, TOTAL_VALUE) + stamina * 10.0f;
 843     value  *= GetModifierValue(unitMod, TOTAL_PCT);
 844
 845     SetMaxHealth((uint32)value);
 846 }
 847
 848 void Pet::UpdateMaxPower(Powers power)
 849 {
 850     UnitMods unitMod = UnitMods(UNIT_MOD_POWER_START + power);
 851     float addValue = (power == POWER_MANA) ? GetStat(STAT_INTELLECT) - GetCreateStat(STAT_INTELLECT) : 0.0f;
 852
 853     float value  = GetModifierValue(unitMod, BASE_VALUE) + GetCreatePowers(power);
 854     value *= GetModifierValue(unitMod, BASE_PCT);
 855     value += GetModifierValue(unitMod, TOTAL_VALUE) +  addValue * 15.0f;
 856     value *= GetModifierValue(unitMod, TOTAL_PCT);
 857
 858     SetMaxPower(power, uint32(value));
 859 }
 860
 861 void Pet::UpdateAttackPowerAndDamage(bool ranged)
 862 {
 863     if(ranged)
 864         return;
 865
 866     float val = 0.0f;
 867     float bonusAP = 0.0f;
 868     UnitMods unitMod = UNIT_MOD_ATTACK_POWER;
 869
 870     if(GetEntry() == 416)                                   // imp's attack power
 871         val = GetStat(STAT_STRENGTH) - 10.0f;
 872     else
 873         val = 2 * GetStat(STAT_STRENGTH) - 20.0f;
 874
 875     Unit* owner = GetOwner();
 876     if( owner && owner->GetTypeId()==TYPEID_PLAYER)
 877     {
 878         if(getPetType() == HUNTER_PET)                      //hunter pets benefit from owner's attack power
 879         {
 880             bonusAP = owner->GetTotalAttackPowerValue(RANGED_ATTACK) * 0.22f;
 881             SetBonusDamage( int32(owner->GetTotalAttackPowerValue(RANGED_ATTACK) * 0.125f));
 882         }
 883         //demons benefit from warlocks shadow or fire damage
 884         else if(getPetType() == SUMMON_PET && owner->getClass() == CLASS_WARLOCK)
 885         {
 886             int32 fire  = int32(owner->GetUInt32Value(PLAYER_FIELD_MOD_DAMAGE_DONE_POS + SPELL_SCHOOL_FIRE)) - owner->GetUInt32Value(PLAYER_FIELD_MOD_DAMAGE_DONE_NEG + SPELL_SCHOOL_FIRE);
 887             int32 shadow = int32(owner->GetUInt32Value(PLAYER_FIELD_MOD_DAMAGE_DONE_POS + SPELL_SCHOOL_SHADOW)) - owner->GetUInt32Value(PLAYER_FIELD_MOD_DAMAGE_DONE_NEG + SPELL_SCHOOL_SHADOW);
 888             int32 maximum  = (fire > shadow) ? fire : shadow;
 889             if(maximum < 0)
 890                 maximum = 0;
 891             SetBonusDamage( int32(maximum * 0.15f));
 892             bonusAP = maximum * 0.57f;
 893         }
 894         //water elementals benefit from mage's frost damage
 895         else if(getPetType() == SUMMON_PET && owner->getClass() == CLASS_MAGE)
 896         {
 897             int32 frost = int32(owner->GetUInt32Value(PLAYER_FIELD_MOD_DAMAGE_DONE_POS + SPELL_SCHOOL_FROST)) - owner->GetUInt32Value(PLAYER_FIELD_MOD_DAMAGE_DONE_NEG + SPELL_SCHOOL_FROST);
 898             if(frost < 0)
 899                 frost = 0;
 900             SetBonusDamage( int32(frost * 0.4f));
 901         }
 902     }
 903
 904     SetModifierValue(UNIT_MOD_ATTACK_POWER, BASE_VALUE, val + bonusAP);
 905
 906     //in BASE_VALUE of UNIT_MOD_ATTACK_POWER for creatures we store data of meleeattackpower field in DB
 907     float base_attPower  = GetModifierValue(unitMod, BASE_VALUE) * GetModifierValue(unitMod, BASE_PCT);
 908     float attPowerMod = GetModifierValue(unitMod, TOTAL_VALUE);
 909     float attPowerMultiplier = GetModifierValue(unitMod, TOTAL_PCT) - 1.0f;
 910
 911     //UNIT_FIELD_(RANGED)_ATTACK_POWER field
 912     SetUInt32Value(UNIT_FIELD_ATTACK_POWER, (uint32)base_attPower);
 913     //UNIT_FIELD_(RANGED)_ATTACK_POWER_MODS field
 914     SetUInt32Value(UNIT_FIELD_ATTACK_POWER_MODS, (uint32)attPowerMod);
 915     //UNIT_FIELD_(RANGED)_ATTACK_POWER_MULTIPLIER field
 916     SetFloatValue(UNIT_FIELD_ATTACK_POWER_MULTIPLIER, attPowerMultiplier);
 917
 918     //automatically update weapon damage after attack power modification
 919     UpdateDamagePhysical(BASE_ATTACK);
 920 }
 921
 922 void Pet::UpdateDamagePhysical(WeaponAttackType attType)
 923 {
 924     if(attType > BASE_ATTACK)
 925         return;
 926
 927     UnitMods unitMod = UNIT_MOD_DAMAGE_MAINHAND;
 928
 929     float att_speed = float(GetAttackTime(BASE_ATTACK))/1000.0f;
 930
 931     float base_value  = GetModifierValue(unitMod, BASE_VALUE) + GetTotalAttackPowerValue(attType)/ 14.0f * att_speed;
 932     float base_pct    = GetModifierValue(unitMod, BASE_PCT);
 933     float total_value = GetModifierValue(unitMod, TOTAL_VALUE);
 934     float total_pct   = GetModifierValue(unitMod, TOTAL_PCT);
 935
 936     float weapon_mindamage = GetWeaponDamageRange(BASE_ATTACK, MINDAMAGE);
 937     float weapon_maxdamage = GetWeaponDamageRange(BASE_ATTACK, MAXDAMAGE);
 938
 939     float mindamage = ((base_value + weapon_mindamage) * base_pct + total_value) * total_pct;
 940     float maxdamage = ((base_value + weapon_maxdamage) * base_pct + total_value) * total_pct;
 941
 942     //  Pet's base damage changes depending on happiness
 943     if (getPetType() == HUNTER_PET && attType == BASE_ATTACK)
 944     {
 945         switch(GetHappinessState())
 946         {
 947             case HAPPY:
 948                 // 125% of normal damage
 949                 mindamage = mindamage * 1.25;
 950                 maxdamage = maxdamage * 1.25;
 951                 break;
 952             case CONTENT:
 953                 // 100% of normal damage, nothing to modify
 954                 break;
 955             case UNHAPPY:
 956                 // 75% of normal damage
 957                 mindamage = mindamage * 0.75;
 958                 maxdamage = maxdamage * 0.75;
 959                 break;
 960         }
 961     }
 962
 963     SetStatFloatValue(UNIT_FIELD_MINDAMAGE, mindamage);
 964     SetStatFloatValue(UNIT_FIELD_MAXDAMAGE, maxdamage);
 965 }