void ArcScriptCreatureAI::CastSpellNowNoScheduling(SpellDesc* pSpell)
{
if( CastSpellInternal(pSpell) )
{
DelayNextAttack(CalcSpellAttackTime(pSpell));
}
}
bool MoonScriptCreatureAI::CastSpellInternal(SpellDesc* pSpell, uint32 pCurrentTime)
{
if( pSpell == NULL) return false;
//Do not cast if we are already casting
if( IsCasting() ) return false;
//We do not cast in special states such as : stunned, feared, silenced, charmed, asleep, confused and if they are not ignored
if ( ( ~pSpell->mTargetType.mTargetFilter & TargetFilter_IgnoreSpecialStates ) && _unit->m_special_state & ( UNIT_STATE_STUN | UNIT_STATE_FEAR | UNIT_STATE_SLEEP | UNIT_STATE_SILENCE | UNIT_STATE_CHARM | UNIT_STATE_CONFUSE ) )
return false;
//Do not cast if we are in cooldown
uint32 CurrentTime = ( pCurrentTime == 0 ) ? (uint32)time(NULL) : pCurrentTime;
if( pSpell->mLastCastTime + pSpell->mCooldown > CurrentTime ) return false;
//Check range before casting
Unit *Target = GetTargetForSpell( pSpell );
if( Target )
{
RangeStatusPair Status;
if( pSpell->mTargetType.mTargetFilter & TargetFilter_InRangeOnly || ( Status = GetSpellRangeStatusToUnit( Target, pSpell ) ).first == RangeStatus_Ok )
{
//Safe-delay if we got special state flag before
DelayNextAttack( CalcSpellAttackTime( pSpell ) );
//If we were running to a target, stop because we're in range now
PopRunToTargetCache();
//Do emote associated with this spell
RandomEmote(pSpell->mEmotes);
//Cast spell now
if( pSpell->mInfo ) CastSpellOnTarget(Target, pSpell->mTargetType, pSpell->mInfo, ( pSpell->mCastTime == 0 ) ? true : false);
else if( pSpell->mSpellFunc ) pSpell->mSpellFunc(pSpell, this, Target, pSpell->mTargetType);
else sLog.outDebug("MoonScriptCreatureAI::CastSpellInternal() : Invalid spell!\n");
//Store cast time for cooldown
pSpell->mLastCastTime = CurrentTime;
return true;
}
else if( !pSpell->mStrictRange ) //Target is out of range, run to it
{
PushRunToTargetCache( Target, pSpell, Status );
return false;
}
}
//If we get here, its because the RunToTarget changed type, so its no longer valid, clear it
PopRunToTargetCache();
DelayNextAttack(0); //Cancel attack delay
return true; //No targets possible? Consider spell casted nonetheless
}
void ArcScriptCreatureAI::AIUpdate()
{
SpellDesc* Spell;
uint32 CurrentTime = (uint32)time(NULL);
//Elapse timers
for( TimerArray::iterator TimerIter = mTimers.begin(); TimerIter != mTimers.end(); ++TimerIter )
{
TimerIter->second -= mAIUpdateFrequency;
}
//Check if we have a spell scheduled to be cast
for( SpellDescList::iterator SpellIter = mScheduledSpells.begin(); SpellIter != mScheduledSpells.end(); ++SpellIter )
{
Spell = (*SpellIter);
if( CastSpellInternal(Spell, CurrentTime) ) //Can fail if we are already casting a spell, or if the spell is on cooldown
{
mScheduledSpells.erase(SpellIter);
break;
}
}
//Do not schedule spell if we are *currently* casting a non-instant cast spell
if( !IsCasting() && !mRunToTargetCache )
{
//Check if have queued spells that needs to be scheduled before we go back to random casting
for( SpellDescList::iterator SpellIter = mQueuedSpells.begin(); SpellIter != mQueuedSpells.end(); ++SpellIter )
{
Spell = (*SpellIter);
mScheduledSpells.push_back(Spell);
mQueuedSpells.erase(SpellIter);
//Stop melee attack for a short while for scheduled spell cast
if( Spell->mCastTime >= 0 )
{
DelayNextAttack(mAIUpdateFrequency + CalcSpellAttackTime(Spell));
if( Spell->mCastTime > 0 )
{
SetCanMove(false);
SetBehavior(Behavior_Spell);
}
}
return; //Scheduling one spell at a time, exit now
}
//Try our chance at casting a spell (Will actually be cast on next ai update, so we just
//schedule it. This is needed to avoid next dealt melee damage while we cast the spell.)
float ChanceRoll = RandomFloat(100), ChanceTotal = 0;
for( SpellDescArray::iterator SpellIter = mSpells.begin(); SpellIter != mSpells.end(); ++SpellIter )
{
Spell = (*SpellIter);
if( Spell->mEnabled == false ) continue;
if( Spell->mChance == 0 ) continue;
//Check if spell won the roll
if( (Spell->mChance == 100 || (ChanceRoll >= ChanceTotal && ChanceRoll < ChanceTotal + Spell->mChance)) &&
(Spell->mLastCastTime + Spell->mCooldown <= CurrentTime) &&
!IsSpellScheduled(Spell) )
{
mScheduledSpells.push_back(Spell);
//Stop melee attack for a short while for scheduled spell cast
if( Spell->mCastTime >= 0 )
{
DelayNextAttack(mAIUpdateFrequency + CalcSpellAttackTime(Spell));
if( Spell->mCastTime > 0 )
{
SetCanMove(false);
SetBehavior(Behavior_Spell);
}
}
return; //Scheduling one spell at a time, exit now
}
else if( Spell->mChance != 100 ) ChanceTotal += Spell->mChance; //Only add spells that aren't 100% chance of casting
}
//Go back to default behavior since we didn't decide anything
SetCanMove(true);
SetBehavior(Behavior_Melee);
//Random taunts
if( ChanceRoll >= 95 ) RandomEmote(mOnTauntEmotes);
}
}