帮会突袭：据点血线归零的易主争夺

local function attackPoint(actor, point)
    local hp = getsysvar("pHp_" .. point) or 50000
    hp = math.max(hp - 500, 0)
    setsysvarex("pHp_" .. point, hp)
    local guild = getplayvar(actor, "GUILD")
    if hp == 0 and getsysvar("own_" .. point) ~= guild then
        setsysvarex("own_" .. point, guild)
        setsysvarex("pHp_" .. point, 50000)
        sendcentermsg(0, point .. " 被 " .. guild .. " 占领")
    end
end

local function settlePoints(guild)
    local held = 0
    for _, pt in ipairs({"北塔", "南塔", "中庭"}) do
        if getsysvar("own_" .. pt) == guild then
            held = held + 1
        end
    end
    return held
end