断魂斩纹：血线见红，一刀了断

flowchart TD
A[怪血掉落] --> B{掉到红线下了吗}
B -- 没有 --> C[斩字灰着]
C --> B
B -- 见红 --> D[斩字亮起]
D --> E{点斩了吗}
E -- 没点 --> F[自动刀可能抢头功]
E -- 点了 --> G[了断 一刀清空]
F --> H[新怪重来]
G --> H

 fx-crest-execute

-- @file CrestExecute.lua
-- 断魂斩纹 —— 血线见红 一刀了断

local CrestExecute = {}

local CONST = {
    EXEC_LINE     = 0.2,
    SWING_CD      = 1.5,

    AUTOINC_BASE  = 1201300,
}

local _kills    = 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

-- 线读实时血: 同账同拍 不缓存
function CrestExecute.CanExecute(curHp, maxHp)
    if maxHp <= 0 then return false end
    return curHp > 0 and curHp / maxHp <= CONST.EXEC_LINE
end

function CrestExecute.Kills() return _kills end

-- 落斩: 先验线再清账
function CrestExecute.Execute(curHp, maxHp)
    if _cd > 0 then
        ShowTip("刀还没回手——再等" .. math.ceil(_cd) .. "秒")
        return false
    end
    if not CrestExecute.CanExecute(curHp, maxHp) then
        ShowTip("血线还没红——硬斩是白点手")
        return false
    end
    _cd = CONST.SWING_CD
    _kills = _kills + 1
    ShowTip("断魂一斩!第" .. _kills .. "魂了断")
    return curHp
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("斩!", function()
        CrestExecute.Execute(
            SL:GetValue("mobHp") or 0,
            SL:GetValue("mobHpMax") or 1)
    end)
    ShowTip("技能已加载: 断魂斩纹")
end, 1.0)

function CrestExecute.Unload()
    if _ticker then SL:Unschedule(_ticker) end
    _cd = 0
end

return CrestExecute