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Implemented buff level restrictions

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Higher level buffs can't be cast on lower level toons.
The formula was based on information found here: http://samanna.net/eq.general/buffs.shtml
This behavior is controlled by the rule Spells:BuffLevelRestrictions which defaults to true.
This commit is contained in:
Michael Cook
2013-10-21 19:13:55 -04:00
parent 56ba87577b
commit a06fe1d02e
6 changed files with 49 additions and 0 deletions
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zone/spells.cpp
+44
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@@ -2709,6 +2709,41 @@ int Mob::CheckStackConflict(uint16 spellid1, int caster_level1, uint16 spellid2,
return 0;
}
// Check Spell Level Restrictions
// returns true if they meet the restrictions, false otherwise
// derived from http://samanna.net/eq.general/buffs.shtml
// spells 1-50: no restrictons
// 51-65: SpellLevel/2+15
// 66+L Group Spells 62, Single Target 61
bool Mob::CheckSpellLevelRestriction(uint16 spell_id)
{
return true;
}
bool Client::CheckSpellLevelRestriction(uint16 spell_id)
{
int SpellLevel = GetMinLevel(spell_id);
// Only check for beneficial buffs, if it's a bard song, only if it's short duration
if(IsBuffSpell(spell_id) && IsBeneficialSpell(spell_id) &&
!(IsBardSong(spell_id) && !IsShortDurationBuff(spell_id)))
{
if(SpellLevel > 65)
{
if(IsGroupSpell(spell_id) && GetLevel() < 62)
return false;
else if(GetLevel() < 61)
return false;
}
else if(SpellLevel > 50) // 51-65
{
if(GetLevel() < (SpellLevel/2+15))
return false;
}
}
return true;
}
// returns the slot the buff was added to, -1 if it wasn't added due to
// stacking problems, and -2 if this is not a buff
@@ -3479,6 +3514,15 @@ bool Mob::SpellOnTarget(uint16 spell_id, Mob* spelltar, bool reflect, bool use_r
else if (IsBeneficialSpell(spell_id) && !IsSummonPCSpell(spell_id))
entity_list.AddHealAggro(spelltar, this, CheckHealAggroAmount(spell_id, (spelltar->GetMaxHP() - spelltar->GetHP())));
// make sure spelltar is high enough level for the buff
if(RuleB(Spells, BuffLevelRestrictions) && !spelltar->CheckSpellLevelRestriction(spell_id))
{
mlog(SPELLS__BUFFS, "Spell %d failed: recipient did not meet the level restrictions", spell_id);
if(!IsBardSong(spell_id))
Message_StringID(MT_SpellFailure, SPELL_TOO_POWERFUL);
return false;
}
// cause the effects to the target
if(!spelltar->SpellEffect(this, spell_id, spell_effectiveness))
{