local NanachiIndicator = Class(function(self, inst)
	self.inst = inst
	self.max_range = 50 * 1.5 --MAX_INDICATOR_RANGE
	self.offScreenBosses = {}
	self.onScreenBossesLastTick = {}
	inst:StartUpdatingComponent(self)
end)

function NanachiIndicator:OnRemoveFromEntity()
	if self.offScreenBosses ~= nil then
		for i, v in ipairs(self.offScreenBosses) do
			self.inst.HUD:RemoveNanachiIndicator(v)
		end
		self.offScreenBosses = nil
	end
end

NanachiIndicator.OnRemoveEntity = NanachiIndicator.OnRemoveFromEntity

function NanachiIndicator:ShouldShowIndicator(target)
	return not self:ShouldRemoveIndicator(target) and (table.contains(self.onScreenBossesLastTick, target))
end

function NanachiIndicator:ShouldRemoveIndicator(target)
	-- Added target:IsInLimbo() so chester bone indicator would go away while bone is held
	return not target:IsValid() or target:HasTag("nobossindicator") or target:HasTag("hiding") or not target:IsNear(self.inst, self.max_range) or target:IsInLimbo()-- or target.entity:FrustumCheck()
end

function NanachiIndicator:OnUpdate()
	if not self.inst or not self.inst.HUD then
		return
	end
	local checked = {}
	for i, v in ipairs(self.offScreenBosses) do
		checked[v] = true
		while self:ShouldRemoveIndicator(v) do
			self.inst.HUD:RemoveNanachiIndicator(v)
			table.remove(self.offScreenBosses, i)
			v = self.offScreenBosses[i]
			if v == nil then
				break
			end
			checked[v] = true
		end
	end
	for i, v in ipairs(MOD_NANACHIINDICATORS.BOSSES) do
		if not (checked[v] or v == self.inst) and self:ShouldShowIndicator(v) then
			self.inst.HUD:AddNanachiIndicator(v)
			table.insert(self.offScreenBosses, v)
		end
	end
	self.onScreenBossesLastTick = {}
	for i, v in ipairs(MOD_NANACHIINDICATORS.BOSSES) do
		if v ~= self.inst then
			table.insert(self.onScreenBossesLastTick, v)
		end
	end
end

return NanachiIndicator