function OnWaveInit()
	for _, player in pairs(ents.GetAllPlayers()) do
		player:RemoveAllCallbacks()
	end
end
function OnWaveSpawnBot(bot)
	bot:AddCallback(ON_DAMAGE_RECEIVED_PRE, function(_, damageinfo)
		if damageinfo.DamageCustom ~= TF_DMG_CUSTOM_BACKSTAB
		or damageinfo.Attacker:IsBot()
		or bot.m_bIsMiniBoss == 1
		or not damageinfo.Weapon:IsValid()
		then
			return
		end
		damageinfo.Damage = (187.5 + (damageinfo.Weapon:GetAttributeValueByClass("armor_piercing", 0) / 25) * 187.5) / 3
		return true
	end)
	bot:AddCallback(ON_DEATH, function()
		bot:RemoveAllCallbacks()
	end)
end