垫脚桩纹：地里长出一脚，把它顶上天

 fx-floatlift

-- @file FloatLift.lua
-- 垫脚桩纹 —— 地里长出一脚，把它顶上天

local FloatLift = {}

local CONST = {
    LIFT_LIFE     = 1.5,
    LIFT_CD       = 5.0,
    FALL_DMG      = 12,
    LIFT_OFFSET   = 46,

    COLOR_LIFT    = "#b09048",
    COLOR_DEEP    = "#483418",
    COLOR_GHOST   = "#f0e0b0",

    ZORDER_LIFT   = 133,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1111000,
}

local _liftT     = 0
local _cdLeft    = 0
local _tid       = 0
local _liftFx    = nil
local _scheduler = nil
local _autoInc   = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "FTL",
        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 FloatLift.Lifted()
    return _liftT > 0
end

-- 悬空判定：悬空期间怪的出手许可整段冻结
SL:RegisterLUAEvent(LUA_EVENT_ACTION_CHECK, "FTL_Hold", function(tid)
    if FloatLift.Lifted() and tid == _tid then
        return false
    end
    return true
end)

-- 落地结算：桩收的那一拍算总账
local function TouchDown()
    SL:ActorHurt(_tid, CONST.FALL_DMG)
    SL:TipAbove(_tid, "摔-" .. CONST.FALL_DMG)
    SL:PlayTouchDownFx(_tid)
    SafeRemove(_liftFx)
    _liftFx = nil
    ShowTip("摔下来了——十二点入账")
end

function FloatLift.Cast()
    if _cdLeft > 0 or FloatLift.Lifted() then return end
    local tid = SL:GetValue("MARK_TARGET_ID")
    if not tid then return end
    local tp = GetActorPos(tid)
    if not tp then return end
    _cdLeft = CONST.LIFT_CD
    _liftT = CONST.LIFT_LIFE
    _tid = tid
    SL:AddBuff(tid, "AIRBORNE", CONST.LIFT_LIFE)
    SafeRemove(_liftFx)
    _liftFx = GUI:Layout_Create(GUI:Attach_Scene(),
        GenID("Stake"), tp.x, tp.y, 0, 0, false)
    GUI:setLocalZOrder(_liftFx, CONST.ZORDER_LIFT)
    SL:PlayStakeUpFx(tp.x)
    ShowTip("地里长出桩了——顶它一秒半，落下摔十二")
end

-- 定时器：悬空倒计时与落地驱动
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _liftT > 0 then
            _liftT = _liftT - dt
            if _liftT <= 0 then
                SL:RemoveBuff(_tid, "AIRBORNE")
                TouchDown()
            end
        end
    end, 0.02)
end

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

function FloatLift.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SL:UnregisterLUAEvent(LUA_EVENT_ACTION_CHECK, "FTL_Hold")
    if _tid ~= 0 then SL:RemoveBuff(_tid, "AIRBORNE") end
    SafeRemove(_liftFx)
    _liftT = 0
end

return FloatLift