-- Fix: make GM staff + unarmed skill damage work as intended
    -- Rewritten function definition from General/MiscTweaks.lua
    -- (At line 496)

    -- Fix GM staff usage with Unarmed skill (Damage bonus).
    local UNARMED = const.Skills.Unarmed
    function events.CalcStatBonusBySkills(t)
        if (t.Stat ~= const.Stats.MeleeDamageBase
            and t.Stat ~= const.Stats.MeleeDamageMin
            and t.Stat ~= const.Stats.MeleeDamageMax
            or t.Player.ItemMainHand == 0
            or t.Player.Skills[UNARMED] == 0)
        then
            return
        end

        local Item = t.Player.Items[t.Player.ItemMainHand]
        local ItemSkill = Game.ItemsTxt[Item.Number].Skill
        if Item.Broken or ItemSkill ~= 0 then return end

        local US, UM = SplitSkill(t.Player:GetSkill(UNARMED))
        local SS, SM = SplitSkill(t.Player:GetSkill(const.Skills.Staff))
        if UM < 2 or SM < 3 then return end

        local u_bonus = US
        if UM > 2 then
            u_bonus = US * 2
        end
        if u_bonus > SS then
            t.Result = t.Result + u_bonus - SS
        end
    end