定风珠：脚下生根，谁来都推不动

 fx-calmpearl

-- @file CalmPearl.lua
-- 定风珠 —— 脚下生根，谁来都推不动

local CalmPearl = {}

local CONST = {
    PEARL_LIFE    = 4.0,
    PEARL_CD      = 6.0,
    ROOT_BONUS    = 4,

    COLOR_PEARL   = "#78c8b8",
    COLOR_DEEP    = "#1e4e44",
    COLOR_GHOST   = "#c8f0e8",

    ZORDER_PEARL  = 133,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1000000,
}

local _pearlT    = 0
local _cdLeft    = 0
local _pearlFx   = nil
local _scheduler = nil
local _autoInc   = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "CPL",
        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 CalmPearl.Cast()
    if _cdLeft > 0 or _pearlT > 0 then return end
    local myID = SL:GetValue("USER_ID")
    if not myID then return end
    _cdLeft = CONST.PEARL_CD
    _pearlT = CONST.PEARL_LIFE
    SL:GrantDisplaceImmune(myID, CONST.PEARL_LIFE)
    SafeRemove(_pearlFx)
    _pearlFx = GUI:Layout_Create(GUI:Attach_SceneF(),
        GenID("Pearl"), 0, 0, 0, 0, false)
    GUI:setLocalZOrder(_pearlFx, CONST.ZORDER_PEARL)
    SL:PlayPearlFx(myID)
    SL:TipAboveMe("定！")
    ShowTip("珠亮了——四秒推拉全免疫，挨推还有加成")
end

-- 生根出口：珠亮期间平砍加四
SL:RegisterLUAEvent(LUA_EVENT_MELEE_HIT, "CPL_Root", function(tid)
    if _pearlT > 0 then
        SL:TipAbove(tid, "-4")
        return CONST.ROOT_BONUS
    end
    return 0
end)

-- 位移驳回：免疫链期间一切推拉无效
SL:RegisterLUAEvent(LUA_EVENT_DISPLACE_REQUEST, "CPL_Hold", function(tid)
    if _pearlT > 0 and tid == SL:GetValue("USER_ID") then
        SL:TipAboveMe("不动如山")
        return false
    end
    return true
end)

-- 定时器：珠的跟脚与倒计时
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _pearlT > 0 then
            _pearlT = _pearlT - dt
            local myID = SL:GetValue("USER_ID")
            local mp = GetActorPos(myID)
            if _pearlFx and mp then
                GUI:setPosition(_pearlFx, mp.x, mp.y - 40)
            end
            if _pearlT <= 0 then
                SafeRemove(_pearlFx)
                ShowTip("珠暗了——脚下生根的时间到")
            end
        end
    end, 0.02)
end

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

function CalmPearl.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SL:UnregisterLUAEvent(LUA_EVENT_MELEE_HIT, "CPL_Root")
    SL:UnregisterLUAEvent(LUA_EVENT_DISPLACE_REQUEST, "CPL_Hold")
    SafeRemove(_pearlFx)
end

return CalmPearl