-- Skill Book for skill 2505201
function s4820104_SkillBook(MapID, InstanceID, TypeID, TargetID)
    role.AddSkill(TargetID, 2505201)
end

aux.RegisterItemEvent(4820104, 1, "s4820104_SkillBook")

function s4820104_CanUse(MapID, InstanceID, TypeID, TargetID)
    local bRet, bIgnore = 0, false
    -- Check if the player has already learned the skill
    local LearnedSkill = role.IsLearnedSkill(TargetID, 25052)
    if LearnedSkill ~= nil then
        -- Item cannot be used
        bRet = 32
    end
    return bRet, bIgnore
end

aux.RegisterItemEvent(4820104, 0, "s4820104_CanUse")

-- Skill Book for skill 2504002
function s4820163_SkillBook(MapID, InstanceID, TypeID, TargetID)
    local time1 = role.GetSkillActiveTime(MapID, InstanceID, TargetID, 25040)
    role.RemoveSkill(TargetID, 25040)
    role.AddSkill(TargetID, 2504002)
    role.SetSkillActiveTime(MapID, InstanceID, TargetID, 25040, time1)
end

aux.RegisterItemEvent(4820163, 1, "s4820163_SkillBook")

function s4820163_CanUse(MapID, InstanceID, TypeID, TargetID)
    local bRet, bIgnore = 0, false
    -- Check if the player has already learned the skill and the level is appropriate
    local LearnedSkill = role.IsLearnedSkill(TargetID, 25040)
    if LearnedSkill == nil or LearnedSkill >= 2 then
        -- Item cannot be used
        bRet = 32
    end
    return bRet, bIgnore
end

aux.RegisterItemEvent(4820163, 0, "s4820163_CanUse")

-- Skill Book for skill 2504003
function s4820164_SkillBook(MapID, InstanceID, TypeID, TargetID)
    local time1 = role.GetSkillActiveTime(MapID, InstanceID, TargetID, 25040)
    role.RemoveSkill(TargetID, 25040)
    role.AddSkill(TargetID, 2504003)
    role.SetSkillActiveTime(MapID, InstanceID, TargetID, 25040, time1)
end

aux.RegisterItemEvent(4820164, 1, "s4820164_SkillBook")

function s4820164_CanUse(MapID, InstanceID, TypeID, TargetID)
    local bRet, bIgnore = 0, false
    -- Check if the player has already learned the skill and the level is appropriate
    local LearnedSkill = role.IsLearnedSkill(TargetID, 25040)
    if LearnedSkill == nil or LearnedSkill ~= 2 then
        -- Item cannot be used
        bRet = 32
    end
    return bRet, bIgnore
end

aux.RegisterItemEvent(4820164, 0, "s4820164_CanUse")

-- Skill Book for skill 2504302
function s4820165_SkillBook(MapID, InstanceID, TypeID, TargetID)
    local time1 = role.GetSkillActiveTime(MapID, InstanceID, TargetID, 25043)
    role.RemoveSkill(TargetID, 25043)
    role.AddSkill(TargetID, 2504302)
    role.SetSkillActiveTime(MapID, InstanceID, TargetID, 25043, time1)
end

aux.RegisterItemEvent(4820165, 1, "s4820165_SkillBook")

function s4820165_CanUse(MapID, InstanceID, TypeID, TargetID)
    local bRet, bIgnore = 0, false
    -- Check if the player has already learned the skill and the level is appropriate
    local LearnedSkill = role.IsLearnedSkill(TargetID, 25043)
    if LearnedSkill == nil or LearnedSkill >= 2 then
        -- Item cannot be used
        bRet = 32
    end
    return bRet, bIgnore
end

aux.RegisterItemEvent(4820165, 0, "s4820165_CanUse")

-- Skill Book for skill 2504303
function s4820166_SkillBook(MapID, InstanceID, TypeID, TargetID)
    local time1 = role.GetSkillActiveTime(MapID, InstanceID, TargetID, 25043)
    role.RemoveSkill(TargetID, 25043)
    role.AddSkill(TargetID, 2504303)
    role.SetSkillActiveTime(MapID, InstanceID, TargetID, 25043, time1)
end

aux.RegisterItemEvent(4820166, 1, "s4820166_SkillBook")

function s4820166_CanUse(MapID, InstanceID, TypeID, TargetID)
    local bRet, bIgnore = 0, false
    -- Check if the player has already learned the skill and the level is appropriate
    local LearnedSkill = role.IsLearnedSkill(TargetID, 25043)
    if LearnedSkill == nil or LearnedSkill ~= 2 then
        -- Item cannot be used
        bRet = 32
    end
    return bRet, bIgnore
end

aux.RegisterItemEvent(4820166, 0, "s4820166_CanUse")

-- Skill Book for skill 2504602
function s4820167_SkillBook(MapID, InstanceID, TypeID, TargetID)
    local time1 = role.GetSkillActiveTime(MapID, InstanceID, TargetID, 25046)
    role.RemoveSkill(TargetID, 25046)
    role.AddSkill(TargetID, 2504602)
    role.SetSkillActiveTime(MapID, InstanceID, TargetID, 25046, time1)
end

aux.RegisterItemEvent(4820167, 1, "s4820167_SkillBook")

function s4820167_CanUse(MapID, InstanceID, TypeID, TargetID)
    local bRet, bIgnore = 0, false
    -- Check if the player has already learned the skill and the level is appropriate
    local LearnedSkill = role.IsLearnedSkill(TargetID, 25046)
    if LearnedSkill == nil or LearnedSkill >= 2 then
        -- Item cannot be used
        bRet = 32
    end
    return bRet, bIgnore
end

aux.RegisterItemEvent(4820167, 0, "s4820167_CanUse")

-- Skill Book for skill 2504603
function s4820168_SkillBook(MapID, InstanceID, TypeID, TargetID)
    local time1 = role.GetSkillActiveTime(MapID, InstanceID, TargetID, 25046)
    role.RemoveSkill(TargetID, 25046)
    role.AddSkill(TargetID, 2504603)
    role.SetSkillActiveTime(MapID, InstanceID, TargetID, 25046, time1)
end

aux.RegisterItemEvent(4820168, 1, "s4820168_SkillBook")

function s4820168_CanUse(MapID, InstanceID, TypeID, TargetID)
    local bRet, bIgnore = 0, false
    -- Check if the player has already learned the skill and the level is appropriate
    local LearnedSkill = role.IsLearnedSkill(TargetID, 25046)
    if LearnedSkill == nil or LearnedSkill ~= 2 then
        -- Item cannot be used
        bRet = 32
    end
    return bRet, bIgnore
end

aux.RegisterItemEvent(4820168, 0, "s4820168_CanUse")

-- Skill Book for skill 2504902
function s4820169_SkillBook(MapID, InstanceID, TypeID, TargetID)
    local time1 = role.GetSkillActiveTime(MapID, InstanceID, TargetID, 25049)
    role.RemoveSkill(TargetID, 25049)
    role.AddSkill(TargetID, 2504902)
    role.SetSkillActiveTime(MapID, InstanceID, TargetID, 25049, time1)
end

aux.RegisterItemEvent(4820169, 1, "s4820169_SkillBook")

function s4820169_CanUse(MapID, InstanceID, TypeID, TargetID)
    local bRet, bIgnore = 0, false
    -- Check if the player has already learned the skill and the level is appropriate
    local LearnedSkill = role.IsLearnedSkill(TargetID, 25049)
    if LearnedSkill == nil or LearnedSkill >= 2 then
        -- Item cannot be used
        bRet = 32
    end
    return bRet, bIgnore
end

aux.RegisterItemEvent(4820169, 0, "s4820169_CanUse")

-- Skill Book for skill 2504903
function s4820170_SkillBook(MapID, InstanceID, TypeID, TargetID)
    local time1 = role.GetSkillActiveTime(MapID, InstanceID, TargetID, 25049)
    role.RemoveSkill(TargetID, 25049)
    role.AddSkill(TargetID, 2504903)
    role.SetSkillActiveTime(MapID, InstanceID, TargetID, 25049, time1)
end

aux.RegisterItemEvent(4820170, 1, "s4820170_SkillBook")

function s4820170_CanUse(MapID, InstanceID, TypeID, TargetID)
    local bRet, bIgnore = 0, false
    -- Check if the player has already learned the skill and the level is appropriate
    local LearnedSkill = role.IsLearnedSkill(TargetID, 25049)
    if LearnedSkill == nil or LearnedSkill ~= 2 then
        -- Item cannot be used
        bRet = 32
    end
    return bRet, bIgnore
end

aux.RegisterItemEvent(4820170, 0, "s4820170_CanUse")