卧薪：站定两秒不挪步，蓄出来那刀双倍

 fx-sterno

-- @file Sterno.lua
-- 卧薪 —— 站定两秒不挪步，蓄出来那刀双倍

local Sterno = {}

local CONST = {
    STANCE_TIME   = 2.0,
    STANCE_CD     = 7.0,
    AMP_MULT      = 2.0,
    BASE_DMG      = 10,

    COLOR_GLOW    = "#d8c060",
    COLOR_DEEP    = "#5e5018",
    COLOR_GHOST   = "#f8f0c0",

    ZORDER_RING   = 131,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 993000,
}

local _stanceT   = 0
local _charged   = false
local _cdLeft    = 0
local _ringFx    = nil
local _scheduler = nil
local _autoInc   = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "STR",
        CONST.AUTOINC_BASE + _autoInc)
end

local function GetActorPos(id)
    if not id then return nil end
    local x = SL:GetValue("ACTOR_POSITION_X", id)
    local y = SL:GetValue("ACTOR_POSITION_Y", id)
    if not x or not y then return nil end
    return { x = x, y = y }
end

local function SafeRemove(node)
    if node and not GUI:Widget_IsNull(node) then
        GUI:removeFromParent(node)
    end
end

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

local function BreakStance(reason)
    if _stanceT <= 0 then return end
    _stanceT = 0
    SafeRemove(_ringFx)
    _ringFx = nil
    ShowTip(reason)
end

local function EnterStance()
    if _cdLeft > 0 or _stanceT > 0 then return end
    _cdLeft = CONST.STANCE_CD
    _stanceT = CONST.STANCE_TIME
    _charged = false
    _ringFx = GUI:Layout_Create(GUI:Attach_SceneF(),
        GenID("Ring"), 0, 0, 0, 0, false)
    GUI:setLocalZOrder(_ringFx, CONST.ZORDER_RING)
    SL:PlayStanceFx(SL:GetValue("USER_ID"))
    ShowTip("卧薪开始——两秒别慌，挨打也不疼")
end

-- 免疫出口：蓄势窗口内的攻击一律不疼
SL:RegisterLUAEvent(LUA_EVENT_BEFORE_HURT, "STR_Guard", function(tid, dmg)
    if _stanceT > 0 and tid == SL:GetValue("USER_ID") then
        SL:TipAbove(tid, "不疼")
        return 0
    end
    return dmg
end)

-- 蓄满出鞘
local function DischargeCharged()
    local tid = SL:GetValue("MARK_TARGET_ID")
    local tp = GetActorPos(tid)
    if not tp then return end
    local out = math.floor(CONST.BASE_DMG * CONST.AMP_MULT)
    SL:ActorHurt(tid, out)
    SL:TipAbove(tid, "-" .. out)
    SL:PlayHeavyHitFx(tid)
    SL:ScreenShake(3.2, 0.2)
    ShowTip("双倍那一刀落了——" .. out .. "点见血")
end

-- 定时器：蓄势推进与打断守护
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _stanceT > 0 then
            _stanceT = _stanceT - dt
            local myID = SL:GetValue("USER_ID")
            local mp = GetActorPos(myID)
            if _ringFx and mp then
                GUI:setPosition(_ringFx, mp.x, mp.y - 60)
            end
            if _stanceT <= 0 then
                _stanceT = 0
                SafeRemove(_ringFx)
                _ringFx = nil
                _charged = true
                ShowTip("薪蓄满了——下一刀双倍，看准了砍")
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("卧薪", function()
        EnterStance()
    end)
    ShowTip("技能已加载: 卧薪 (调试按钮触发)")
end, 1.0)

function Sterno.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SL:UnregisterLUAEvent(LUA_EVENT_BEFORE_HURT, "STR_Guard")
    SafeRemove(_ringFx)
end

return Sterno