沉刀：按住蓄劲，松手见真章

 fx-heavyhold

-- @file HeavyHold.lua
-- 沉刀 —— 按住蓄劲，松手见真章

local HeavyHold = {}

local CONST = {
    HOLD_FULL     = 1.5,
    FULL_DMG      = 22,
    SOFT_DMG      = 8,

    COLOR_HOLD    = "#8a5838",
    COLOR_DEEP    = "#3e2414",
    COLOR_GHOST   = "#f0d8c0",

    ZORDER_HOLD   = 132,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1043000,
}

local _holding    = false
local _holdT      = 0
local _scheduler  = nil
local _autoInc    = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "HVH",
        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 ShowTip(msg)
    if msg and msg ~= "" then SL:ShowSystemTips(msg) end
end

local function ReleaseCut()
    local full = _holdT >= CONST.HOLD_FULL
    local dmg = full and CONST.FULL_DMG or CONST.SOFT_DMG
    local tid = SL:GetValue("MARK_TARGET_ID")
    if not tid then return end
    SL:ActorHurt(tid, dmg)
    SL:TipAbove(tid, "-" .. dmg)
    if full then
        SL:PlayHeavyCutFx(tid)
        SL:ScreenShake(3.2, 0.2)
        ShowTip("沉刀见真章——二十二点入账")
    else
        ShowTip("松早了——刀软了八点，按满一点五再松")
    end
    if SL:GetValue("ACTOR_DEAD", tid) then
        ShowTip("它倒了——沉到底的刀最重")
    end
end

-- 按下：起沉劲
function HeavyHold.Press()
    if _holding then return end
    _holding = true
    _holdT = 0
    SL:PlayHoldStartFx(SL:GetValue("USER_ID"))
    ShowTip("按住了——劲在往刀上沉")
end

-- 松开：读劲落刀
function HeavyHold.Release()
    if not _holding then return end
    _holding = false
    ReleaseCut()
end

-- 定时器：劲槽上涨
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        if _holding then
            _holdT = _holdT + dt
            local myID = SL:GetValue("USER_ID")
            local mp = GetActorPos(myID)
            if mp and mp.x then
                SL:PlayHoldRingFx(mp.x, mp.y - 60, _holdT)
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButtonHold("按住沉刀",
        function() HeavyHold.Press() end,
        function() HeavyHold.Release() end)
    ShowTip("技能已加载: 沉刀 (调试按钮触发)")
end, 1.0)

function HeavyHold.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    if _holding then
        _holding = false
        ReleaseCut()
    end
end

return HeavyHold