Returns whether a spell is passive (cannot be cast)
See also Spell functions.
Signature:
isPassive = IsPassiveSpell(index, "bookType") or IsPassiveSpell("name")
Arguments:
index- Index of a spell in the spellbook (number, spellbookID)bookType- Type of spellbook (string)pet- The pet's spellbookspell- The player's spellbook
name- Name of a spell (string)
Returns:
isPassive- 1 if the spell is passive; otherwise nil (1nil)
Examples:
-- prints a list of passive spells in the player's spellbook
local numTabs = GetNumSpellTabs()
for tabID=1,numTabs do
  local name,texture,offset,numSpells = GetSpellTabInfo(tabID)
  
  for spellID = offset + 1, offset + numSpells do
    if IsPassiveSpell(spellID, BOOKTYPE_SPELL) then
      local spell,rank = GetSpellName(spellID, BOOKTYPE_SPELL)
      print(" - " .. spell)
    end
  end
end