蓄宰肥纹：先喂它二十血，宰起来更顺手

 fx-fattencut

-- @file FattenCut.lua
-- 蓄宰肥纹 —— 先喂它二十血，宰起来更顺手

local FattenCut = {}

local CONST = {
    CREST_LIFE    = 14.0,
    CREST_CD      = 2.0,
    FEED_HP       = 20,
    FEED_CAP      = 4,
    AMP_PER_FEED  = 5,
    BASE_HIT      = 12,

    COLOR_FATTEN  = "#c07858",
    COLOR_DEEP    = "#482818",
    COLOR_GHOST   = "#f0c8b0",

    ZORDER_FATTEN = 133,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1107000,
}

local _crestT    = 0
local _cdLeft    = 0
local _feedN     = 0
local _crestFx   = nil
local _scheduler = nil
local _autoInc   = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "FTC2",
        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 FattenCut.Amp()
    return _feedN * CONST.AMP_PER_FEED
end

function FattenCut.FeedFull()
    return _feedN >= CONST.FEED_CAP
end

function FattenCut.Feed()
    if _cdLeft > 0 then
        ShowTip("纹在养——" ..
            string.format("%.1f", _cdLeft) .. "秒")
        return
    end
    if FattenCut.FeedFull() then
        ShowTip("喂到头了——四口封顶")
        return
    end
    local tid = SL:GetValue("MARK_TARGET_ID")
    if not tid then return end
    local hp = SL:GetValue("ACTOR_HP", tid) or 0
    local hpM = SL:GetValue("ACTOR_HP_MAX", tid) or 0
    SL:SetValue("ACTOR_HP", tid,
        math.min(hpM, hp + CONST.FEED_HP))
    _feedN = _feedN + 1
    _cdLeft = CONST.CREST_CD
    SL:TipAbove(tid, "肥+" .. CONST.FEED_HP)
    SL:TipAboveMe("宰+" .. FattenCut.Amp())
    SL:PlayFeedFx(tid)
    ShowTip("喂了" .. _feedN .. "口——它肥了，你的刀重了")
end

-- 宰刀结算：每一刀带着喂出来的加重
SL:RegisterLUAEvent(LUA_EVENT_MELEE_DAMAGE, "FTC2_Slay", function()
    return FattenCut.Amp()
end)

function FattenCut.Cast()
    if _crestT > 0 then return end
    local myID = SL:GetValue("USER_ID")
    _crestT = CONST.CREST_LIFE
    _feedN = 0
    SafeRemove(_crestFx)
    _crestFx = GUI:Layout_Create(GUI:Attach_SceneF(),
        GenID("Fatten"), 0, 0, 0, 0, false)
    GUI:setLocalZOrder(_crestFx, CONST.ZORDER_FATTEN)
    SL:PlayFattenUpFx(myID)
    ShowTip("蓄宰纹开了——喂它肥它，宰起来顺手")
end

-- 定时器：纹成倒计时与喂珠跟画
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _crestT > 0 then
            _crestT = _crestT - dt
            local tid = SL:GetValue("MARK_TARGET_ID")
            local tp = tid and GetActorPos(tid)
            if _crestFx and tp then
                GUI:setPosition(_crestFx, tp.x, tp.y - 96)
            end
            if _crestT <= 0 then
                SafeRemove(_crestFx)
                ShowTip("纹收了——喂进去的血可退不回来")
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("喂食", function()
        FattenCut.Feed()
    end)
    ShowTip("技能已加载: 蓄宰纹 (调试按钮触发)")
end, 1.0)

function FattenCut.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SL:UnregisterLUAEvent(LUA_EVENT_MELEE_DAMAGE, "FTC2_Slay")
    SafeRemove(_crestFx)
    _crestT = 0
    _feedN = 0
end

return FattenCut