淬毒刃：淬毒三刀叠一层，一层毒过一秒六

 fx-venomblade

-- @file VenomBlade.lua
-- 淬毒刃 —— 淬毒上刃三刀叠一层毒

local VenomBlade = {}

local CONST = {
    POISON_CAP   = 6,
    POISON_LIFE  = 6.0,
    POISON_CD    = 2.0,
    POISON_DMG   = 6,
    POISON_TICK  = 1.0,

    COLOR_VENOM  = "#a371f7",
    COLOR_DEEP   = "#3a1a5e",
    COLOR_GHOST  = "#e8d8fa",

    ZORDER_VENOM = 131,
    ZORDER_FX    = 135,
    AUTOINC_BASE = 975000,
}

local _stacks   = {}
local _tickT    = 0
local _cdLeft   = 0
local _scheduler = nil
local _autoInc  = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "VNB",
        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 GetStacks()
    return #_stacks
end

-- 淬毒入口
function VenomBlade.Cast()
    if _cdLeft > 0 then return end
    if GetStacks() >= CONST.POISON_CAP then return end
    _cdLeft = CONST.POISON_CD
    table.insert(_stacks, CONST.POISON_LIFE)
    SL:TipAbove(SL:GetValue("MARK_TARGET_ID"),
        "毒" .. GetStacks() .. "层")
end

-- 跳秒结算
local function Venom_Tick(tid)
    if GetStacks() <= 0 then return end
    local dmg = GetStacks() * CONST.POISON_DMG
    SL:ActorHurt(tid, dmg)
    SL:TipAbove(tid, "-" .. dmg)
end

-- 定时器：层表衰减与跳秒
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        for i = #_stacks, 1, -1 do
            _stacks[i] = _stacks[i] - dt
            if _stacks[i] <= 0 then
                table.remove(_stacks, i)
            end
        end
        if GetStacks() <= 0 then return end
        _tickT = _tickT + dt
        if _tickT >= CONST.POISON_TICK then
            _tickT = _tickT - CONST.POISON_TICK
            Venom_Tick(SL:GetValue("MARK_TARGET_ID"))
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    ShowTip("技能已加载: 淬毒刃 (调试按钮触发)")
end, 1.0)

return VenomBlade