护主守纹：挨打攒守护，盾开免一记

flowchart TD
A[挨一爪] --> B[守护涨八]
B --> C{攒满一百}
C -- 没满 --> D[继续挨打或祈盾]
D --> A
C -- 满了 --> E[盾上膛]
E --> F{下一爪落下}
F -- 盾开 --> G[免伤 清零]
G --> A
F -- 没接上 --> E

 fx-crest-guard

-- @file CrestGuard.lua
-- 护主守纹 —— 挨打攒守护 盾开免一记

local CrestGuard = {}

local CONST = {
    NEED          = 100,
    PER_TAKE      = 8,
    PRAY_CD       = 6,
    PRAY_ADD      = 20,

    AUTOINC_BASE  = 1199800,
}

local _g        = 0
local _ready    = false
local _cd       = 0
local _autoInc  = 0

local function ShowTip(msg)
    if msg and msg ~= "" then SL:ShowSystemTips(msg) end
end

local function GenID()
    _autoInc = _autoInc + 1
    return CONST.AUTOINC_BASE + _autoInc
end

function CrestGuard.Value() return _g end
function CrestGuard.IsReady() return _ready end

-- 受击结算：攒值与开盾都在这个口子
function CrestGuard.OnHurt()
    if _ready then
        _ready = false
        _g = 0
        ShowTip("盾开——这一记免了，守护清零")
        return true
    end
    _g = math.min(CONST.NEED, _g + CONST.PER_TAKE)
    if _g >= CONST.NEED then
        _ready = true
        ShowTip("盾已上膛——下一记免伤")
    end
    return false
end

-- 祈盾：主动插队口
function CrestGuard.Pray()
    if _cd > 0 then
        ShowTip("祈盾歇口气——再等" .. math.ceil(_cd) .. "秒")
        return
    end
    _cd = CONST.PRAY_CD
    if _ready then
        ShowTip("盾已上膛——祈的先存着")
        return
    end
    _g = math.min(CONST.NEED, _g + CONST.PRAY_ADD)
    if _g >= CONST.NEED then
        _ready = true
        ShowTip("祈满一百——盾已上膛!")
    else
        ShowTip("祈得二十——守护" .. _g .. "/" .. CONST.NEED)
    end
end

if not _ticker then
    _ticker = SL:Schedule(function(dt)
        if _cd > 0 then _cd = _cd - dt end
    end, 0.05)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("祈盾!", function()
        CrestGuard.Pray()
    end)
    ShowTip("技能已加载: 护主守纹")
end, 1.0)

function CrestGuard.Unload()
    if _ticker then SL:Unschedule(_ticker) end
    _g = 0
    _ready = false
end

return CrestGuard