【框架设计】玩法模块热插拔：开关架构与模块生命周期设计

local MODULES = {}
local function regModule(name, switchKey, entry, stop)
    MODULES[name] = { sw = switchKey, entry = entry, stop = stop, on = false }
end
local function isEnabled(name)
    local m = MODULES[name]
    return m ~= nil and getplayvar(nil, 2, m.sw) ~= 0 or setsysvar(m.sw, "") == "1"
end

local function toggleModule(name, on)
    local m = MODULES[name]
    if m == nil or m.on == on then return end
    if on and m.entry ~= nil then
        m.entry()
    end
    if not on and m.stop ~= nil then
        m.stop()
    end
    m.on = on
    setsysvar(m.sw, on and "1" or "0")
end