BuffExplorer

--[[Buff Type]]

_G.BUFF_NONE = 0
_G.BUFF_GLOBAL = 1
_G.BUFF_BASIC = 2
_G.BUFF_DEBUFF = 3
_G.BUFF_STUN = 5
_G.BUFF_STEALTH = 6
_G.BUFF_SILENCE = 7
_G.BUFF_TAUNT = 8
_G.BUFF_SLOW = 10
_G.BUFF_ROOT = 11
_G.BUFF_DOT = 12
_G.BUFF_REGENERATION = 13
_G.BUFF_SPEED = 14
_G.BUFF_MAGIC_IMMUNE = 15
_G.BUFF_PHYSICAL_IMMUNE = 16
_G.BUFF_IMMUNE = 17
_G.BUFF_Vision_Reduce = 19
_G.BUFF_FEAR = 21
_G.BUFF_CHARM = 22
_G.BUFF_POISON = 23
_G.BUFF_SUPPRESS = 24
_G.BUFF_BLIND = 25
_G.BUFF_STATS_INCREASE = 26
_G.BUFF_STATS_DECREASE = 27
_G.BUFF_FLEE = 28
_G.BUFF_KNOCKUP = 29
_G.BUFF_KNOCKBACK = 30
_G.BUFF_DISARM = 31

  class 'BuffExplorer'



    function BuffExplorer:__init()
        __BuffExplorer = true
        self.Heroes = {}
        self.Buffs  = {}
        self.RemoveBuffCallback = {}
        self.UpdateBuffCallback = {}
        for i = 1, Game.HeroCount() do
            local hero = Game.Hero(i)
            table.insert(self.Heroes, hero)
            self.Buffs[hero.networkID] = {}
        end
        Callback.Add("Tick", function () self:Tick() end)
        print("BuffExplorer Loaded")
    end

    function BuffExplorer:RemoveBuff(unit,buff)
        for i, cb in pairs(self.RemoveBuffCallback) do
            cb(unit,buff)
        end
    end

    function BuffExplorer:UpdateBuff(unit,buff)
        for i, cb in pairs(self.UpdateBuffCallback) do
            cb(unit,buff)
        end
    end

    function BuffExplorer:Tick()
        for _, hero in pairs(self.Heroes) do
            for i = 0, hero.buffCount do
                local buff = hero:GetBuff(i)
                if self:Valid(buff) then
                    if not self.Buffs[hero.networkID][buff.name] or (self.Buffs[hero.networkID][buff.name] and self.Buffs[hero.networkID][buff.name].expireTime ~= buff.expireTime) then
                        self.Buffs[hero.networkID][buff.name] = {expireTime = buff.expireTime, sent = true, networkID = buff.sourcenID, buff = buff}
                        self:UpdateBuff(hero,buff)
                    end
                end
            end
        end
        for _, hero in pairs(self.Heroes) do
            for buffname,buffinfo in pairs(self.Buffs[hero.networkID]) do
                if buffinfo.expireTime < Game.Timer() then
                    self:RemoveBuff(hero,buffinfo.buff)
                    self.Buffs[hero.networkID][buffname] = nil

                end
            end
        end
    end

    function BuffExplorer:Valid(buff)
        return buff and buff.name and #buff.name > 0 and buff.startTime <= Game.Timer() and buff.expireTime > Game.Timer()
    end


    if not __BuffExplorer_Loaded then
        _G.BuffExplorer = BuffExplorer()
    end

    OnUpdateBuff = function(cb)
        table.insert(BuffExplorer.UpdateBuffCallback,cb)
    end
    OnRemoveBuff = function(cb)
        table.insert(BuffExplorer.RemoveBuffCallback,cb)
    end