local MissileSender = {}
local pool = {}
local curView = {}
local MovieClipPool = {}

local function GetObj()
    if #pool > 0 then
        local re = pool[#pool]
        re.visible = true
        pool[#pool] = nil
        return re
    end

    return UIPackage.CreateObjectFromURL("ui://Main_Majiang/Missile")
end

local function BackObj(obj)
    pool[#pool + 1] = obj
    obj.visible = false
end

local function GetMovieClip(url)
    local _pool = MovieClipPool[url]

    if _pool and #_pool > 0 then
        local re = _pool[#_pool]
        re.visible = true
        _pool[#_pool] = nil
        return re
    end

    return UIPackage.CreateObjectFromURL(url)
end

local function BackMovieClip(obj, url)
    if MovieClipPool[url] == nil then
        MovieClipPool[url] = {}
    end

    local _pool = MovieClipPool[url]
    _pool[#_pool + 1] = obj
    obj.visible = false
end

function MissileSender.Send(url, send, target, root, animUrl, Missile, num, time)
    local sendPos = send._view.xy     --Vector2.New(send.x + send.width/2, send.y + send.height/2)
    local targetPos = target._view.xy --Vector2.New(target.x + target.width/2, target.y + target.height/2)

    local clipFather = target._view:GetChild('comp_hudon')
    for i = 1, num do
        local obj = GetObj()
        obj:GetChild("loader").url = url
        root._view:AddChild(obj)
        obj.width = send._view.width
        obj.height = send._view.height
        obj.xy = sendPos

        -- 间隔
        obj:TweenMove(obj.xy, i * 0.1):OnComplete(function()
            obj:TweenMove(targetPos, time):OnComplete(function()
                BackObj(obj)
                --动画击中头像后播放击中的音效和动画
                root:PlayMJSound(string.format("%s.mp3", Missile))
                local clip = UIPackage.CreateObjectFromURL(string.format("ui://Main_Majiang/%s", Missile))
                clip:SetSize(clipFather.width, clipFather.height)
                clipFather:AddChild(clip)
                clip:SetPlaySettings(0, -1, 1, -1)
                clip.onPlayEnd:Add(function()
                    if clip.parent then
                        clip.parent:RemoveChild(clip)
                    end
                    clip:Dispose()
                end)
                clip.playing = true
            end)
        end)
    end
end

function MissileSender.Animation(target, animUrl, view)
    local e = GetMovieClip(animUrl)
    e:SetPlaySettings(1, -1, 1, -1)
    e.onPlayEnd:Set(function()
        e.visible = false
        BackMovieClip(e, animUrl)
    end)
    view:AddChild(e)
    e.width = target.width
    e.height = target.height
    e.xy = target.xy
end

function MissileSender.Clear()
    MissileSender = {}
    pool = {}
    curView = {}
    MovieClipPool = {}
end

return MissileSender