界碑石纹：刀刀过碑，碑裂五道前都算重刀

 fx-stonegate

-- @file StoneGate.lua
-- 界碑石纹 —— 刀刀过碑，碑裂五道前都算重刀

local StoneGate = {}

local CONST = {
    STELE_CAP     = 5,
    STELE_CD      = 2.0,
    AMP_HIT       = 16,
    BASE_HIT      = 12,

    COLOR_STELE   = "#989078",
    COLOR_DEEP    = "#383428",
    COLOR_GHOST   = "#e0d8b8",

    ZORDER_STELE  = 88,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1123000,
}

local _steleN    = 0
local _cdLeft    = 0
local _steleFx   = nil
local _scheduler = nil
local _autoInc   = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "STG",
        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 StoneGate.Standing()
    return _steleN > 0
end

-- 过碑加重：碑在的每一刀走重档，裂痕递减
SL:RegisterLUAEvent(LUA_EVENT_MELEE_DAMAGE, "STG_Amp", function()
    if not StoneGate.Standing() then return 0 end
    _steleN = _steleN - 1
    SL:TipAbove(SL:GetValue("USER_ID"),
        "碑裂" .. (CONST.STELE_CAP - _steleN))
    if _steleN <= 0 then
        SL:PlaySteleBreakFx()
        ShowTip("碑碎了——刀回平常")
    end
    return CONST.AMP_HIT - CONST.BASE_HIT
end)

function StoneGate.Cast()
    if _cdLeft > 0 or StoneGate.Standing() then return end
    local myID = SL:GetValue("USER_ID")
    local mp = GetActorPos(myID)
    if not mp then return end
    _cdLeft = CONST.STELE_CD
    _steleN = CONST.STELE_CAP
    SafeRemove(_steleFx)
    _steleFx = GUI:Layout_Create(GUI:Attach_Scene(),
        GenID("Stele"), mp.x + 130, mp.y, 0, 0, false)
    GUI:setLocalZOrder(_steleFx, CONST.ZORDER_STELE)
    SL:PlaySteleUpFx(mp.x + 130)
    ShowTip("碑立上了——刀刀过碑，五道裂痕为止")
end

-- 定时器：碑身的守望（碑认刀数不认时间）
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("立碑", function()
        StoneGate.Cast()
    end)
    ShowTip("技能已加载: 界碑纹 (调试按钮触发)")
end, 1.0)

function StoneGate.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SafeRemove(_steleFx)
    _steleN = 0
end

return StoneGate