API IsUsableSpell

Determines whether a spell can be used by the player character. usable, noMana = IsUsableSpell(spell) = IsUsableSpell(index, bookType)

• usable: - True if the spell is usable, false otherwise. A spell might be un-usable for a variety of reasons, such as:
• The player hasn't learned the spell
• The player lacks required mana or reagents.
• Reactive conditions haven't been met.
• noMana: - True if the spell can not be cast due to low mana, false otherwise.

The following code snippet will check if the spell 'Healing Touch' can be cast: usable, nomana = IsUsableSpell("Curse of Elements"); if (not usable) then if (not nomana) then message("The spell cannot be cast"); else message("You do not have enough mana to cast the spell"); end else message("The spell may be cast"); end The following code snippet will check if the 20th spell in the player's spellbook is usable: usable, nomana = IsUsableSpell(20, BOOKTYPE_SPELL); print(GetSpellName(20, BOOKTYPE_SPELL) .. " is " .. (usable and "" or "not ") .. " usable.");