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Implemented NPC special ability 40 'NPC_CHASE_DISTANCE'

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Param 0: Sets max distance you need to be away from an npc for it to chase you.
Param 1: Sets min distance you need to be from npc for it to chase you.
Usage: Ideally used with ranged attack npcs / casters who you DO NOT WANT
to chase you unless you get too close or too far or out of sight.
This commit is contained in:
KayenEQ 2014-08-23 03:21:36 -04:00
parent 16d47a2c47
commit 85df09b3f2
5 changed files with 42 additions and 3 deletions
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27
zone/aggro.cpp
View File

@ -873,7 +873,30 @@ bool Mob::CombatRange(Mob* other)
if (size_mod > 10000)
size_mod = size_mod / 7;
if (DistNoRoot(*other) <= size_mod)
float _DistNoRoot = DistNoRoot(*other);
if (GetSpecialAbility(NPC_CHASE_DISTANCE)){
float max_dist = static_cast<float>(GetSpecialAbilityParam(NPC_CHASE_DISTANCE, 0));
float min_dist = static_cast<float>(GetSpecialAbilityParam(NPC_CHASE_DISTANCE, 1));
if (max_dist == 1)
max_dist = 250.0f; //Default it to 250 if you forget to put a value
max_dist = max_dist * max_dist;
if (!min_dist)
min_dist = size_mod; //Default to melee range
else
min_dist = min_dist * min_dist;
if (CheckLastLosState() && (_DistNoRoot >= min_dist && _DistNoRoot <= max_dist))
SetPseudoRoot(true);
else
SetPseudoRoot(false);
}
if (_DistNoRoot <= size_mod)
{
return true;
}
@ -887,6 +910,8 @@ bool Mob::CheckLosFN(Mob* other) {
if(other)
Result = CheckLosFN(other->GetX(), other->GetY(), other->GetZ(), other->GetSize());
SetLastLosState(Result);
return Result;
}

3
zone/common.h
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@ -127,7 +127,8 @@ enum {
FLEE_PERCENT = 37,
ALLOW_BENEFICIAL = 38,
DISABLE_MELEE = 39,
MAX_SPECIAL_ATTACK = 40
NPC_CHASE_DISTANCE = 40,
MAX_SPECIAL_ATTACK = 41
};

2
zone/mob.cpp
View File

@ -183,6 +183,7 @@ Mob::Mob(const char* in_name,
has_MGB = false;
has_ProjectIllusion = false;
SpellPowerDistanceMod = 0;
last_los_check = false;
if(in_aa_title>0)
aa_title = in_aa_title;
@ -341,6 +342,7 @@ Mob::Mob(const char* in_name,
viral_spells[i] = 0;
}
pStandingPetOrder = SPO_Follow;
pseudo_rooted = false;
see_invis = in_see_invis;
see_invis_undead = in_see_invis_undead != 0;

7
zone/mob.h
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@ -464,6 +464,8 @@ public:
bool CheckLosFN(float posX, float posY, float posZ, float mobSize);
inline void SetChanged() { pLastChange = Timer::GetCurrentTime(); }
inline const uint32 LastChange() const { return pLastChange; }
inline void SetLastLosState(bool value) { last_los_check = value; }
inline bool CheckLastLosState() const { return last_los_check; }
//Quest
void QuestReward(Client *c = nullptr, uint32 silver = 0, uint32 gold = 0, uint32 platinum = 0);
@ -752,7 +754,8 @@ public:
inline const bool IsRooted() const { return rooted || permarooted; }
inline const bool HasVirus() const { return has_virus; }
int GetSnaredAmount();
inline const bool IsPseudoRooted() const { return pseudo_rooted; }
inline void SetPseudoRoot(bool prState) { pseudo_rooted = prState; }
int GetCurWp() { return cur_wp; }
@ -1119,6 +1122,8 @@ protected:
bool has_MGB;
bool has_ProjectIllusion;
int16 SpellPowerDistanceMod;
bool last_los_check;
bool pseudo_rooted;
// Bind wound
Timer bindwound_timer;

6
zone/special_attacks.cpp
View File

@ -965,6 +965,9 @@ void Mob::DoArcheryAttackDmg(Mob* other, const ItemInst* RangeWeapon, const Item
void NPC::RangedAttack(Mob* other)
{
if (!other)
return;
//make sure the attack and ranged timers are up
//if the ranged timer is disabled, then they have no ranged weapon and shouldent be attacking anyhow
if((attack_timer.Enabled() && !attack_timer.Check(false)) || (ranged_timer.Enabled() && !ranged_timer.Check()))
@ -973,6 +976,9 @@ void NPC::RangedAttack(Mob* other)
return;
}
if(!CheckLosFN(other))
return;
int attacks = GetSpecialAbilityParam(SPECATK_RANGED_ATK, 0);
attacks = attacks > 0 ? attacks : 1;
for(int i = 0; i < attacks; ++i) {