【进阶实战】竞技场观战下注：观战押注的结算封装

local bets = {}
local function placeBet(actorName, side, amount)
    local actor = getplayerbyname(actorName)
    if amount < 10000 then
        sendmsg(actor, 1, "最低押注 1 万金币。")
        return
    end
    bets[actorName] = { side = side, amount = amount }
    takeitem(actor, "金币", amount, 0, "竞技场押注")
    sendmsg(actor, 1, "押注 " .. side .. " 方 " .. amount .. " 金币。")
end
local function settleBets(winSide, totalPool, winPool)
    for name, b in pairs(bets) do
        local actor = getplayerbyname(name)
        if b.side == winSide then
            local payout = math.floor(b.amount * totalPool / winPool)
            giveitem(actor, "金币", payout, 0, "押注获胜")
        else
            sendmsg(actor, 1, "押注未中，下次好运。")
        end
    end
    bets = {}
end

local function getOdds(side)
    local total = 0
    local sideSum = 0
    for _, b in pairs(bets) do
        total = total + b.amount
        if b.side == side then
            sideSum = sideSum + b.amount
        end
    end
    if sideSum == 0 then
        return 0
    end
    return math.floor(total / sideSum * 100) / 100
end