汲血养纹：刀刀吸血，砍它的血灌回脉里

flowchart TD
A[砍中一刀] --> B[伤害结算]
B --> C[按刀折血]
C --> D[绿色飘字回流]
D --> E{押过血注吗}
E -- 押了 --> F[这一刀翻倍 吸血翻倍]
E -- 没押 --> G[常规吸八]
F --> H[气血条上涨]
G --> H
H --> A

 fx-crest-leech

-- @file CrestLeech.lua
-- 汲血养纹 —— 刀刀吸血 砍它的血灌回脉里

local CrestLeech = {}

local CONST = {
    HP_MAX        = 100,
    LEECH         = 8,
    HEAVY_COST    = 10,
    HEAVY_DMG     = 28,
    HEAVY_LEECH   = 16,
    SAFE_LINE     = 15,

    AUTOINC_BASE  = 1199700,
}

local _hp       = CONST.HP_MAX
local _heavy    = false
local _autoInc  = 0

local function ShowTip(msg)
    if msg and msg ~= "" then SL:ShowSystemTips(msg) end
end

local function GenID()
    _autoInc = _autoInc + 1
    return CONST.AUTOINC_BASE + _autoInc
end

function CrestLeech.Hp() return _hp end
function CrestLeech.IsHeavy() return _heavy end

-- 本轮刀重：押过血注就是重刀价
function CrestLeech.Dmg()
    if _heavy then return CONST.HEAVY_DMG end
    return 14
end

-- 命中结算：先折血再回流
function CrestLeech.OnHit()
    local heal = CONST.LEECH
    if _heavy then
        heal = CONST.HEAVY_LEECH
        _heavy = false
        ShowTip("重刀回流——气血+" .. heal)
    else
        ShowTip("汲血——气血+" .. heal)
    end
    _hp = math.min(CONST.HP_MAX, _hp + heal)
end

-- 浴血：押气血换重刀
function CrestLeech.Heavy()
    if _heavy then
        ShowTip("重刀已蓄——先打出去")
        return
    end
    if _hp <= CONST.SAFE_LINE then
        ShowTip("气血见底——纹先护住这一口")
        return
    end
    _hp = _hp - CONST.HEAVY_COST
    _heavy = true
    ShowTip("血注一刀——重刀蓄好了")
end

SL:ScheduleOnce(function()
    SL:BindDebugButton("浴血重刀!", function()
        CrestLeech.Heavy()
    end)
    ShowTip("技能已加载: 汲血养纹")
end, 1.0)

function CrestLeech.Unload()
    _hp = CONST.HP_MAX
    _heavy = false
end

return CrestLeech