// PUBLIC MODIFIERS
public SpellCastResult TryCast(Mage caster, string spellcode_uppercase, ref int crystals)
{
SpellCastResult result = new SpellCastResult();
Spell spell = null;
if (spellcode_dict.ContainsKey(spellcode_uppercase))
{
spell = spellcode_dict[spellcode_uppercase];
// check prerequisites
result.on_cooldown = spell.IsOnCooldown();
result.not_enough_resources = spell.cost > crystals;
result.not_enough_free_slots = spell.GetFreeSlotsRequired() > caster.NumFreeSlots();
if (!result.on_cooldown && !result.not_enough_free_slots && !result.not_enough_resources)
{
// successful cast
crystals -= spell.cost;
spell.Cast(caster);
result.success = true;
}
}
else
{
// bad spell code
result.invalid_spell_code = true;
}
// return and events
result.spell = spell;
if (event_spell_cast != null) event_spell_cast(result);
return result;
}