local ITEM_ID = 6600411
local SKILL_ID = 9100701
local SKILL_BASE_ID = 91007

-- Скрипт книги навыка "Спасательный круг"
local function hasTeleportSkill(roleId)
    local learnedLevel = role.IsLearnedSkill(roleId, SKILL_BASE_ID)
    return learnedLevel ~= nil and learnedLevel > 0
end

function I6600411_OnUse(MapID, InstanceID, TypeID, TargetID)
    if hasTeleportSkill(TargetID) then
        return
    end
    role.AddSkill(TargetID, SKILL_ID)
end

function I6600411_CanUse(MapID, InstanceID, TypeID, TargetID)
    local bRet, bIgnore = 0, false
    if hasTeleportSkill(TargetID) then
        bRet = 32
    end
    return bRet, bIgnore
end

aux.RegisterItemEvent(ITEM_ID, 1, "I6600411_OnUse")
aux.RegisterItemEvent(ITEM_ID, 0, "I6600411_CanUse")