帮会铁骑：铁骑冲锋的阵型冲击

local CHARGE_WINDOW = 10
local function charge(actor, mates)
    if #mates < 2 then
        sendmsg(actor, 1, "铁骑至少 3 骑成阵")
        return
    end
    for _, name in ipairs(mates) do
        local p = getplayerbyname(name)
        setplayvar(p, "chargeEnd",
            os.time() + CHARGE_WINDOW)
        sendmsg(p, 1, "铁骑冲锋！移速 +30%")
    end
end

local function chargeHit(actor, target)
    if os.time() > (getplayvar(actor, "chargeEnd") or 0) then
        sendmsg(actor, 1, "冲锋已结束")
        return
    end
    local dmg = (getplayvar(actor, "ATK") or 0) * 2
    sendmsg(actor, 1, "撞击伤害 " .. dmg)
end