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Core/Creature: Reworked creature aggro radius calculation (#20615)

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* Core/Creatures: rewrote creature aggro radius calculation
* Formulas are taken from WoW Wiki

(cherry picked from commit 980047763a)
This commit is contained in:
Ovahlord
2019-07-05 18:21:00 +02:00
committed by Shauren
parent edf12fd6a1
commit 3fc20584bc
1 changed files with 15 additions and 16 deletions
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31
src/server/game/Entities/Creature/Creature.cpp
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@@ -2012,39 +2012,38 @@ bool Creature::CheckNoGrayAggroConfig(uint32 playerLevel, uint32 creatureLevel)
float Creature::GetAttackDistance(Unit const* player) const
{
// WoW Wiki: the minimum radius seems to be 5 yards, while the maximum range is 45 yards
float maxRadius = (45.0f * sWorld->getRate(RATE_CREATURE_AGGRO));
float minRadius = (5.0f * sWorld->getRate(RATE_CREATURE_AGGRO));
float aggroRate = sWorld->getRate(RATE_CREATURE_AGGRO);
uint8 expansionMaxLevel = uint8(GetMaxLevelForExpansion(GetCreatureTemplate()->RequiredExpansion));
uint32 playerLevel = player->GetLevelForTarget(this);
uint32 creatureLevel = GetLevelForTarget(player);
if (aggroRate == 0.0f)
if (aggroRate == 0)
return 0.0f;
// WoW Wiki: the minimum radius seems to be 5 yards, while the maximum range is 45 yards
float maxRadius = 45.0f * aggroRate;
float minRadius = 5.0f * aggroRate;
int32 expansionMaxLevel = int32(GetMaxLevelForExpansion(GetCreatureTemplate()->RequiredExpansion));
int32 playerLevel = player->GetLevelForTarget(this);
int32 creatureLevel = GetLevelForTarget(player);
int32 levelDifference = creatureLevel - playerLevel;
// The aggro radius for creatures with equal level as the player is 20 yards.
// The combatreach should not get taken into account for the distance so we drop it from the range (see Supremus as expample)
float baseAggroDistance = 20.0f - GetCombatReach();
float aggroRadius = baseAggroDistance;
// + - 1 yard for each level difference between player and creature
float aggroRadius = baseAggroDistance + float(levelDifference);
// detect range auras
if ((creatureLevel + 5) <= sWorld->getIntConfig(CONFIG_MAX_PLAYER_LEVEL))
{
aggroRadius += GetTotalAuraModifier(SPELL_AURA_MOD_DETECT_RANGE);
aggroRadius += player->GetTotalAuraModifier(SPELL_AURA_MOD_DETECTED_RANGE);
}
// The aggro range of creatures with higher levels than the total player level for the expansion should get the maxlevel treatment
// This makes sure that creatures such as bosses wont have a bigger aggro range than the rest of the npc's
// The following code is used for blizzlike behavior such as skipable bosses (e.g. Commander Springvale at level 85)
// The following code is used for blizzlike behaviour such as skippable bosses
if (creatureLevel > expansionMaxLevel)
aggroRadius += float(expansionMaxLevel) - float(playerLevel);
// + - 1 yard for each level difference between player and creature
else
aggroRadius += float(creatureLevel) - float(playerLevel);
aggroRadius = baseAggroDistance + float(expansionMaxLevel - playerLevel);
// Make sure that we wont go over the total range limits
if (aggroRadius > maxRadius)