影遁：化进影子里，六秒无踪，现身一刀加成

 fx-shadowfade

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-- @file        ShadowFade.lua
-- @brief       影遁 —— 化进影子里，六秒无踪，现身一刀加成
--              客户端表现模块：配置表 / 化影构件 / 现身状态机 / 定时器
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local ShadowFade = {}

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-- 配置与常量
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local CONST = {
    FADE_LIFE     = 6.0,        -- 影遁六秒
    FADE_CD       = 8.0,        -- 冷却八秒
    ACTIVE_DMG    = 30,         -- 主动现身斩三十
    PASSIVE_DMG   = 12,         -- 自动现身十二
    ACTIVE_AMP    = 1.5,        -- 主动加五成

    -- 颜色
    COLOR_FADE    = "#6a8fa8",  -- 影青
    COLOR_DEEP    = "#3a3a52",  -- 影黑
    COLOR_GHOST   = "#e8f0ff",  -- 现身白

    ZORDER_GROUND = 118,
    ZORDER_FADE   = 128,
    ZORDER_EFFECT = 135,

    AUTOINC_BASE  = 962000,
}

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-- 模块内部状态
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local _fadeT      = 0              -- 影遁余时
local _charged    = false          -- 主动现身旗标
local _cdLeft     = 0
local _scheduler  = nil
local _autoInc    = 0

local m_cos = math.cos
local m_sin = math.sin

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-- 辅助函数
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local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "SFD", CONST.AUTOINC_BASE + _autoInc)
end

local function GetMyPos()
    local x = SL:GetValue("ACTOR_POSITION_X", SL:GetValue("USER_ID"))
    local y = SL:GetValue("ACTOR_POSITION_Y", SL:GetValue("USER_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

---化影构件：周身半透明影化滤镜
local function CreateFadeFx()
    local mp = GetMyPos()
    if not mp then return end
    local node = GUI:Layout_Create(GUI:Attach_SceneF(), GenID("Fx"),
        mp.x, mp.y - 46, 0, 0, false)
    GUI:setLocalZOrder(node, CONST.ZORDER_FADE)
    for i = 1, 20 do
        local a1 = (i - 1) / 20 * 6.28
        local a2 = i / 20 * 6.28
        GUI:DrawLine_Create(node, string.format("f_%d", i), 0, 0, 2,
            m_cos(a1) * 26, m_sin(a1) * 48, m_cos(a2) * 26, m_sin(a2) * 48,
            CONST.COLOR_FADE, 160)
    end
    return node
end

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-- 影遁入口
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function ShadowFade.Cast()
    if _cdLeft > 0 or _fadeT > 0 then return end
    _cdLeft = CONST.FADE_CD
    _fadeT = CONST.FADE_LIFE
    _charged = false
    CreateFadeFx()
    ShowTip("化影了——它的刀落空，现身那一刀想加成就手动出")
end

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-- 现身分流：主动加成 / 被动白板
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local function Emerge(active)
    _fadeT = 0
    local vd = active and CONST.ACTIVE_DMG or CONST.PASSIVE_DMG
    SL:ActorHurt(SL:GetValue("MARK_TARGET_ID"), vd)
    SL:TipAbove(SL:GetValue("MARK_TARGET_ID"), "-" .. vd)
    if active then
        SL:ScreenShake(4, 0.22)
    end
    _charged = false
end

function ShadowFade.EmergeNow()
    if _fadeT <= 0 then return end
    _charged = true
    Emerge(true)
end

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-- 定时器：影遁余时与被动现身
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if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _fadeT <= 0 then return end
        _fadeT = _fadeT - dt
        if _fadeT <= 0 then
            Emerge(false)
            ShowTip("自动现身——这一刀不加成，手动的才有")
        end
    end, 0.02)
end

SL:RegisterLUAEvent(LUA_EVENT_MONSTER_SWING, "SFD_Swing", function()
    if _fadeT > 0 then
        ShowTip("落空")
        return
    end
end)

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

return ShadowFade