【框架设计】攻城战：城门血量与占领判定

local SIEGE_PHASES = { gate = 1, wall = 2, palace = 3, done = 4 }
function Siege.onGateBroken()
    if siege.phase ~= SIEGE_PHASES.gate then return end
    siege.phase = SIEGE_PHASES.wall
    QF_OpenDoor("palace_gate")
    QF_Announce("城门已破，攻入皇宫")
end

function Siege.checkOccupy()
    if siege.phase ~= SIEGE_PHASES.palace then return end
    local atkInPalace = 0
    for _, plr in ipairs(QF_PlayersInMap("palace")) do
        if plr.camp == "attack" and plr.hp > 0 then
            atkInPalace = atkInPalace + 1
        end
    end
    if atkInPalace >= 5 and siege.holdSince == nil then
        siege.holdSince = os.time()
    end
    if siege.holdSince and os.time() - siege.holdSince >= 60 then
        Siege.win(siege.atkGuild)
    end
end