茧缚：茧缚困住它，阻止治疗和加速

 fx-cocoonbind

-- @file CocoonBind.lua
-- 茧缚 —— 茧缚困住它，阻止治疗和加速

local CocoonBind = {}

local CONST = {
    BIND_LIFE     = 10.0,
    BIND_CD       = 5.0,

    COLOR_BIND    = "#c8b868",
    COLOR_DEEP    = "#50440e",
    COLOR_GHOST   = "#f4e8b0",

    ZORDER_BIND   = 131,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1075000,
}

local _bindT     = 0
local _bindID    = 0
local _cdLeft    = 0
local _bindFx    = nil
local _scheduler = nil
local _autoInc   = 0

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

function CocoonBind.Cast()
    if _cdLeft > 0 or _bindT > 0 then return end
    local tid = SL:GetValue("MARK_TARGET_ID")
    if not tid then return end
    _cdLeft = CONST.BIND_CD
    _bindT = CONST.BIND_LIFE
    _bindID = tid
    SafeRemove(_bindFx)
    _bindFx = GUI:Layout_Create(GUI:Attach_SceneF(),
        GenID("Bind"), 0, 0, 0, 0, false)
    GUI:setLocalZOrder(_bindFx, CONST.ZORDER_BIND)
    SL:PlayCocoonUpFx(tid)
    SL:TipAbove(tid, "茧缚！")
    ShowTip("茧缚织上了——十秒阻止治疗和加速")
end

-- 反疗判定：茧缚期一切治疗归零
SL:RegisterLUAEvent(LUA_EVENT_HEAL_RECEIVED, "CBB_Block", function(tid, heal)
    if _bindT > 0 and tid == _bindID then
        SL:TipAbove(tid, "禁疗")
        return 0
    end
    return heal
end)

-- 定时器：茧缚倒计时与茧壳跟脚
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _bindT > 0 then
            _bindT = _bindT - dt
            local tp = GetActorPos(_bindID)
            if _bindFx and tp then
                GUI:setPosition(_bindFx, tp.x, tp.y - 70)
            end
            if _bindT <= 0 or not tp
                or SL:GetValue("ACTOR_DEAD", _bindID) then
                _bindT = 0
                SafeRemove(_bindFx)
                ShowTip("茧散了——它又能治疗了")
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("茧缚", function()
        CocoonBind.Cast()
    end)
    ShowTip("技能已加载: 茧缚 (调试按钮触发)")
end, 1.0)

function CocoonBind.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SL:UnregisterLUAEvent(LUA_EVENT_HEAL_RECEIVED, "CBB_Block")
    SafeRemove(_bindFx)
    _bindT = 0
end

return CocoonBind