Grimrock

Code: Select all

defineObject{
    name = "party",
    baseObject = "party",
    components = {
        {
            class = "Party",
            onCastSpell = function(self, champion, spell)
                -- only cast "spell" if the champion has a "scroll_spell" in their inventory (search recursively through containers)
                for i = 1, ItemSlot.MaxSlots do
                    local item = champion:getItem(i)
                    
                    if item then
                        -- item is the correct spell scroll
                        if item.go.name == "scroll_" .. spell then
                            return true
                        end
                        
                        -- item is a container
                        if item.go.containeritem and script_entity_1.script.containsItem(item, "scroll_" .. spell) then
                            return true
                        end
                    end
                end
                
                hudPrint(champion:getName() .. " needs to have the spell scroll on him to be able to cast it")
                return false
            end
        }
    }
}

Code: Select all

function containsItem(container, name)
	local containerItem = container.go.containeritem
	
	for i = 1, containerItem:getCapacity() do
		local item = containerItem:getItem(i)
		
		if item then
			-- item is of type "name"
			if item.go.name == name then
				return true
			end
			
			-- item is a container
			if item.go.containeritem and containsItem(item, name) then
				return true
			end
		end
	end
	
	return false
end