【玩法策划】ELO天梯赛：借鉴竞技天梯的隐藏分匹配设计

local K = 32
local function updateElo(winnerName, loserName)
    local winner = getplayerbyname(winnerName)
    local loser = getplayerbyname(loserName)
    if winner == nil or loser == nil then return end
    local rw = tonumber(getplayvar(winner, 2, "ELO") or "1200")
    local rl = tonumber(getplayvar(loser, 2, "ELO") or "1200")
    local expWin = 1 / (1 + math.pow(10, (rl - rw) / 400))
    setplayvar(winner, "HUMAN", "ELO", math.floor(rw + K * (1 - expWin)), 1)
    setplayvar(loser, "HUMAN", "ELO", math.floor(rl - K * expWin), 1)
end

local function tryMatch(account, waitSec)
    local range = 100 + math.floor(waitSec / 5) * 50
    local opp = findInQueue(account, range)
    if opp ~= nil then
        startMatch(account, opp)
        return true
    end
    return false
end