横垣气纹：气墙一立，它先拆墙再挨打

flowchart TD
A[点立墙] --> B{都进身了吗}
B -- 进了 --> C[墙留给下一只]
B -- 没进 --> D[气墙拔地]
D --> E[怪扑到墙前]
E --> F[爪爪拆墙]
F --> G[一爪反震三点]
G --> H{墙碎了吗}
H -- 没碎 --> F
H -- 碎了 --> I[怪进身 主刀接战]
I --> J[八秒后再立]

 fx-crest-wall

-- @file CrestWall.lua
-- 横垣气纹 —— 气墙一立 它先拆墙再挨打

local CrestWall = {}

local CONST = {
    WALL_HP       = 60,
    WALL_POS      = 430,
    CLAW_DMG      = 12,
    THORN_DMG     = 3,
    GROUND_CD     = 8,

    AUTOINC_BASE  = 1202500,
}

local _hp       = 0
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 CrestWall.Standing() return _hp > 0 end
function CrestWall.Pos() return CONST.WALL_POS end

-- 立墙
function CrestWall.Place(mobIn)
    if _hp > 0 then
        ShowTip("墙上着呢——先让它拆")
        return false
    end
    if _cd > 0 then
        ShowTip("气没攒够——再等" .. math.ceil(_cd) .. "秒")
        return false
    end
    if mobIn then
        ShowTip("都进身了——墙留给下一只")
        return false
    end
    _hp = CONST.WALL_HP
    _cd = CONST.GROUND_CD
    ShowTip("气墙立起——看它拆到什么时候")
    return true
end

-- 怪的爪落在墙上: 墙掉血 墙反震
function CrestWall.OnClaw()
    if _hp <= 0 then return 0 end
    _hp = math.max(0, _hp - CONST.CLAW_DMG)
    if _hp <= 0 then
        ShowTip("墙碎了——它进身了")
    end
    return CONST.THORN_DMG
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("立墙!", function()
        CrestWall.Place(SL:GetValue("mobIn") or false)
    end)
    ShowTip("技能已加载: 横垣气纹")
end, 1.0)

function CrestWall.Unload()
    if _ticker then SL:Unschedule(_ticker) end
    _hp = 0
end

return CrestWall