焚香：点一炷香，香烧着时三刀一回血

 fx-incenseburn

-- @file IncenseBurn.lua
-- 焚香 —— 点一炷香，香烧着时三刀一回血

local IncenseBurn = {}

local CONST = {
    INCENSE_LIFE  = 8.0,
    INCENSE_CD    = 7.0,
    BOW_COUNT     = 3,
    BOW_HEAL      = 6,

    COLOR_BURN    = "#b08858",
    COLOR_DEEP    = "#4a3418",
    COLOR_GHOST   = "#ecd8b8",

    ZORDER_INCENSE= 132,
    ZORDER_FX     = 135,
    AUTOINC_BASE  = 1027000,
}

local _insT      = 0
local _combo     = 0
local _cdLeft    = 0
local _insFx     = nil
local _scheduler = nil
local _autoInc   = 0

local function GenID(prefix)
    _autoInc = _autoInc + 1
    return string.format("%s_%d", prefix or "ICB",
        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 IncenseBurn.Light()
    if _cdLeft > 0 then
        ShowTip("香在点——" .. string.format("%.1f", _cdLeft) .. "秒")
        return
    end
    if _insT > 0 then
        ShowTip("香还烧着——还剩" .. string.format("%.1f", _insT) .. "秒")
        return
    end
    _cdLeft = CONST.INCENSE_CD
    _insT = CONST.INCENSE_LIFE
    _combo = 0
    SafeRemove(_insFx)
    _insFx = GUI:Layout_Create(GUI:Attach_SceneF(),
        GenID("Incense"), 0, 0, 0, 0, false)
    GUI:setLocalZOrder(_insFx, CONST.ZORDER_INCENSE)
    SL:PlayLightIncenseFx(SL:GetValue("USER_ID"))
    SL:TipAboveMe("焚香")
    ShowTip("香点上了——八秒里三刀一叩首，叩一回回六点")
end

-- 叩首计数：香期里刀刀记叩
SL:RegisterLUAEvent(LUA_EVENT_MELEE_HIT, "ICB_Bow", function(tid)
    if _insT > 0 then
        _combo = _combo + 1
        if _combo >= CONST.BOW_COUNT then
            _combo = 0
            SL:RestoreActorHp(SL:GetValue("USER_ID"), CONST.BOW_HEAL)
            SL:PlayBowFx(SL:GetValue("USER_ID"))
            SL:TipAboveMe("叩首+6")
        end
    end
end)

-- 定时器：香期倒计时与香柱跟脚
if not _scheduler then
    _scheduler = SL:Schedule(function(dt)
        _cdLeft = math.max(0, _cdLeft - dt)
        if _insT > 0 then
            _insT = _insT - dt
            local myID = SL:GetValue("USER_ID")
            local mp = GetActorPos(myID)
            if _insFx and mp then
                GUI:setPosition(_insFx, mp.x + 34, mp.y - 96)
            end
            if _insT <= 0 then
                SafeRemove(_insFx)
                _insFx = nil
                ShowTip("香烧完了——灰烬落地，下一炷七秒后")
            end
        end
    end, 0.02)
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("焚香", function()
        IncenseBurn.Light()
    end)
    ShowTip("技能已加载: 焚香 (调试按钮触发)")
end, 1.0)

function IncenseBurn.Unload()
    if _scheduler then SL:Unschedule(_scheduler) end
    SL:UnregisterLUAEvent(LUA_EVENT_MELEE_HIT, "ICB_Bow")
    SafeRemove(_insFx)
    _insT = 0
    _combo = 0
end

return IncenseBurn