连招谱：三招按谱出，谱尾一击翻倍

 fx-comboroute

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-- @file        ComboRoute.lua
-- @brief       连招谱 —— 三招按谱出，谱尾一击翻倍
--              客户端表现模块：配置表 / 谱表 / 招式链状态机 / 定时器
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local ComboRoute = {}

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-- 配置与常量
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local CONST = {
    CHAIN_WINDOW  = 3.0,        -- 续招窗口三秒
    CHAIN_LEN     = 3,          -- 三招成谱
    MOVE_DMG      = 12,         -- 单招十二
    ROUTE_CRUSH   = "劈撩刺",   -- 破军谱
    ROUTE_CRUSH_X = 40,         -- 破军尾刀四十
    ROUTE_WIND    = "撩劈刺",   -- 回风谱
    ROUTE_WIND_HP = 30,         -- 回风回三十

    -- 颜色
    COLOR_PAGE    = "#d97742",  -- 谱朱
    COLOR_DEEP    = "#7a3212",  -- 深朱
    COLOR_GHOST   = "#ffc9a8",  -- 谱白

    ZORDER_GROUND = 118,
    ZORDER_PAGE   = 132,
    ZORDER_EFFECT = 135,

    AUTOINC_BASE  = 944000,
}

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-- 谱表：招序与奖励的核对单
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local ROUTES = {
    [CONST.ROUTE_CRUSH] = { kind = "dmg",  v = CONST.ROUTE_CRUSH_X, name = "破军" },
    [CONST.ROUTE_WIND]  = { kind = "heal", v = CONST.ROUTE_WIND_HP, name = "回风" },
}

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-- 模块内部状态
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local _chain      = {}            -- 招式链
local _chainT     = 0             -- 续招窗口
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 "CBR", CONST.AUTOINC_BASE + _autoInc)
end

local function GetActorPos(actorID)
    if not actorID then return nil end
    local x = SL:GetValue("ACTOR_POSITION_X", actorID)
    local y = SL:GetValue("ACTOR_POSITION_Y", actorID)
    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

---谱面构件：脚下三格进度
local function CreatePageNode()
    local mp = GetActorPos(SL:GetValue("USER_ID"))
    if not mp then return end
    local node = GUI:Layout_Create(GUI:Attach_SceneF(), GenID("Page"),
        mp.x - 46, mp.y + 4, 0, 0, false)
    GUI:setLocalZOrder(node, CONST.ZORDER_PAGE)
    for g = 0, 2 do
        GUI:DrawLine_Create(node, "slot_" .. g, 0, 0, 14, g * 32, 0, g * 32 + 24, 0,
            CONST.COLOR_DEEP, 200)
    end
    return node
end

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-- 出招入链与成谱
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local function Chain_Push(move)
    if #_chain >= CONST.CHAIN_LEN then
        table.remove(_chain, 1)
    end
    table.insert(_chain, move)
    _chainT = CONST.CHAIN_WINDOW
    if #_chain == CONST.CHAIN_LEN then
        local seq = table.concat(_chain)
        local route = ROUTES[seq]
        if route then
            if route.kind == "dmg" then
                SL:ActorHurt(SL:GetValue("MARK_TARGET_ID"), route.v)
                SL:TipAbove(SL:GetValue("MARK_TARGET_ID"), "-" .. route.v)
                SL:ScreenShake(5, 0.30)
            else
                SL:HealMe(route.v)
                SL:TipAboveMe("+" .. route.v)
            end
            ShowTip(route.name .. "收尾")
        else
            ShowTip("出脱谱了——三招白出，重数")
        end
        _chain = {}
        _chainT = 0
    end
end

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-- 三颗招式按钮
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function ComboRoute.Move(name)
    Chain_Push(name)
end

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-- 定时器：窗口递减
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if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        if _chainT > 0 then
            _chainT = _chainT - dt
            if _chainT <= 0 and #_chain > 0 then
                _chain = {}
                ShowTip("谱断了——三秒没续上，重数")
            end
        end
    end, 0.02)
end

SL:RegisterLUAEvent(LUA_EVENT_SCENE_CLEAR, "CBR_Clear", function()
    _chain, _chainT = {}, 0
end)

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

return ComboRoute