铰击：两键同按，铰它一下二十

 fx-scissorstrike

-- @file ScissorStrike.lua
-- 铰击 —— 两键同按，铰它一下二十

local ScissorStrike = {}

local CONST = {
    SAME_WINDOW   = 0.15,
    SCISSOR_DMG   = 20,
    SOLO_DMG      = 10,
    STUN_TIME     = 0.5,

    COLOR_SCISSOR = "#4898b8",
    COLOR_DEEP    = "#123e4e",
    COLOR_GHOST   = "#b8e0f0",

    ZORDER_CUT    = 133,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1056000,
}

local _lastT     = -9
local _lastSide  = ""
local _stunT     = 0
local _scheduler = nil
local _autoInc   = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "SCS",
        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 DoScissor(tid)
    _stunT = CONST.STUN_TIME
    local now = SL:GetTime()
    SL:ActorHurt(tid, CONST.SCISSOR_DMG)
    SL:TipAbove(tid, "铰-20")
    SL:StunActor(tid, CONST.STUN_TIME)
    SL:PlayScissorFx(tid)
    SL:ScreenShake(3, 0.2)
    _lastT = -9
    _lastSide = ""
    ShowTip("铰上了——二十点外加半秒僵")
    if SL:GetValue("ACTOR_DEAD", tid) then
        ShowTip("它倒了——被铰死的")
    end
end

-- 单键出口
local function SoloCut(tid)
    SL:ActorHurt(tid, CONST.SOLO_DMG)
    SL:TipAbove(tid, "-10")
    ShowTip("单刃十点——再点另一边凑成铰")
end

-- 按键入口：同按判定
function ScissorStrike.Tap(side, tid)
    if not tid or SL:GetValue("ACTOR_DEAD", tid) then return end
    local now = SL:GetTime()
    if side ~= _lastSide and now - _lastT <= CONST.SAME_WINDOW then
        DoScissor(tid)
    else
        _lastT = now
        _lastSide = side
        SoloCut(tid)
    end
end

-- 定时器：僵态倒计时
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        if _stunT > 0 then
            _stunT = _stunT - dt
            if _stunT <= 0 then
                ShowTip("它缓过来了——再铰一把")
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("左刃", function()
        ScissorStrike.Tap("L", SL:GetValue("MARK_TARGET_ID"))
    end)
    SL:BindDebugButton2("右刃", function()
        ScissorStrike.Tap("R", SL:GetValue("MARK_TARGET_ID"))
    end)
    ShowTip("技能已加载: 铰击 (调试按钮触发)")
end, 1.0)

function ScissorStrike.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    _lastT = -9
    _lastSide = ""
    _stunT = 0
end

return ScissorStrike