荆棘缠：荆棘缠身持续掉血，且阻止治疗

 fx-thornwrap

-- @file ThornWrap.lua
-- 荆棘缠 —— 荆棘缠身持续掉血，且阻止治疗

local ThornWrap = {}

local CONST = {
    WRAP_LIFE     = 5.0,
    WRAP_TICK     = 0.5,
    WRAP_DMG      = 4,
    WRAP_CD       = 5.0,

    COLOR_WRAP    = "#7aa860",
    COLOR_DEEP    = "#2a4a18",
    COLOR_GHOST   = "#c8e8b0",

    ZORDER_WRAP   = 130,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1072000,
}

local _wrapT     = 0
local _wrapID    = 0
local _tickT     = 0
local _cdLeft    = 0
local _wrapFx    = nil
local _scheduler = nil
local _autoInc   = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "TPW",
        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 WrapTick(tid)
    SL:ActorHurt(tid, CONST.WRAP_DMG)
    SL:TipAbove(tid, "缠-4")
    SL:PlayWrapTickFx(tid)
end

function ThornWrap.Cast()
    if _cdLeft > 0 or _wrapT > 0 then return end
    local tid = SL:GetValue("MARK_TARGET_ID")
    if not tid then return end
    _cdLeft = CONST.WRAP_CD
    _wrapT = CONST.WRAP_LIFE
    _wrapID = tid
    SafeRemove(_wrapFx)
    _wrapFx = GUI:Layout_Create(GUI:Attach_SceneF(),
        GenID("Wrap"), 0, 0, 0, 0, false)
    GUI:setLocalZOrder(_wrapFx, CONST.ZORDER_WRAP)
    SL:PlayWrapUpFx(tid)
    SL:TipAbove(tid, "缠身！")
    ShowTip("荆棘缠上了——五秒持续掉血且禁疗")
end

-- 禁疗结算：缠身期间治疗归零
SL:RegisterLUAEvent(LUA_EVENT_HEAL_RECEIVED, "TPW_Block", function(tid, heal)
    if _wrapT > 0 and tid == _wrapID then
        SL:TipAbove(tid, "禁疗")
        return 0
    end
    return heal
end)

-- 定时器：持续跳伤与缠蔓跟脚
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _wrapT > 0 then
            _wrapT = _wrapT - dt
            _tickT = _tickT + dt
            local tp = GetActorPos(_wrapID)
            if _wrapFx and tp then
                GUI:setPosition(_wrapFx, tp.x, tp.y)
            end
            if _tickT >= CONST.WRAP_TICK then
                _tickT = 0
                WrapTick(_wrapID)
            end
            if _wrapT <= 0 or not tp
                or SL:GetValue("ACTOR_DEAD", _wrapID) then
                _wrapT = 0
                SafeRemove(_wrapFx)
                ShowTip("荆棘散了——它又能治疗了")
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("缠身", function()
        ThornWrap.Cast()
    end)
    ShowTip("技能已加载: 荆棘缠 (调试按钮触发)")
end, 1.0)

function ThornWrap.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SL:UnregisterLUAEvent(LUA_EVENT_HEAL_RECEIVED, "TPW_Block")
    SafeRemove(_wrapFx)
    _wrapT = 0
end

return ThornWrap