玩家捕快：逃犯通缉的赏金追捕

local CLUES = {
    "目击者在城南茶馆见过他",
    "他惯用左手，袖口有墨迹",
    "有人听见西市马厩有动静",
}
local function getClue(actor, n)
    if n > 3 or n < 1 then return end
    sendmsg(actor, 1, "线索" .. n .. "：" .. CLUES[n])
    setplayvar(actor, "clueN", n)
end

local function arrest(actor, place)
    local clues = getplayvar(actor, "clueN") or 0
    if clues == 0 then
        sendmsg(actor, 1, "先收集线索再缉拿")
        return
    end
    if place == "西市马厩" then
        giveitem(actor, 8701, 4 - clues)
        sendmsg(actor, 1, "缉拿成功，赏金按线索递减")
    else
        sendmsg(actor, 1, "扑了个空，换个地方")
    end
end