憋劲蛮纹：落空三刀不白落，憋成一刀重的

 fx-missbank

-- @file MissBank.lua
-- 憋劲纹 —— 落空三刀不白落，憋成一刀重的

local MissBank = {}

local CONST = {
    CREST_LIFE    = 12.0,
    CREST_CD      = 4.0,
    MISS_RATE     = 0.35,
    BANK_CAP      = 3,
    BANK_DMG      = 6,
    BASE_HIT      = 10,

    COLOR_BANK    = "#788858",
    COLOR_DEEP    = "#2e3a1e",
    COLOR_GHOST   = "#d0e0b0",

    ZORDER_BANK   = 133,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1096000,
}

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

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "MSB",
        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 MissBank.Banks()
    return _banks
end

-- 出手结算：先掷命中，落空入账，砍实兑付
function MissBank.Swing(tid)
    if _crestT <= 0 or not tid then
        return CONST.BASE_HIT, false
    end
    if math.random() < CONST.MISS_RATE then
        _banks = math.min(CONST.BANK_CAP, _banks + 1)
        SL:TipAbove(tid, "落空 劲+" .. _banks)
        return 0, true
    end
    local dmg = CONST.BASE_HIT + _banks * CONST.BANK_DMG
    if _banks > 0 then
        SL:TipAbove(tid, "憋劲-" .. dmg)
    end
    _banks = 0
    return dmg, false
end

function MissBank.Cast()
    if _cdLeft > 0 or _crestT > 0 then return end
    local myID = SL:GetValue("USER_ID")
    _cdLeft = CONST.CREST_CD
    _crestT = CONST.CREST_LIFE
    _banks = 0
    SafeRemove(_crestFx)
    _crestFx = GUI:Layout_Create(GUI:Attach_SceneF(),
        GenID("Bank"), 0, 0, 0, 0, false)
    GUI:setLocalZOrder(_crestFx, CONST.ZORDER_BANK)
    SL:PlayBankUpFx(myID)
    ShowTip("憋劲纹开了——落空的刀憋成劲，下刀重一截")
end

-- 定时器：纹成倒计时与账珠跟画
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _crestT > 0 then
            _crestT = _crestT - dt
            local myID = SL:GetValue("USER_ID")
            local mp = GetActorPos(myID)
            if _crestFx and mp then
                GUI:setPosition(_crestFx, mp.x, mp.y - 62)
            end
            if _crestT <= 0 then
                SafeRemove(_crestFx)
                ShowTip("纹收了——账上还憋着的劲散了")
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("憋劲", function()
        MissBank.Cast()
    end)
    ShowTip("技能已加载: 憋劲纹 (调试按钮触发)")
end, 1.0)

function MissBank.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SafeRemove(_crestFx)
    _crestT = 0
    _banks = 0
end

return MissBank