帮会杂役：日常勤务的轮值认领

local CHORES = {"扫地", "喂马", "擦告示牌"}
local function takeChore(actor, idx)
    local holder = getsysvar("chore_" .. idx) or ""
    if holder ~= "" then
        sendmsg(actor, 1, "岗位已被 " .. holder .. " 认领")
        return
    end
    setsysvarex("chore_" .. idx, getplayvar(actor, "NAME"))
    sendmsg(actor, 1, "认领成功：" .. CHORES[idx])
end

local function finishChore(actor, idx)
    if getsysvar("chore_" .. idx)
        ~= getplayvar(actor, "NAME") then
        sendmsg(actor, 1, "这不是认领的岗位")
        return
    end
    setsysvarex("chore_" .. idx, "")
    giveitem(actor, 9021, 200)
    sendmsg(actor, 1, "完工，工钱 200 金币已发")
end