--
-- 实体，作为scene中的实体存在。Scene中唯一管理的就是实体entity，游戏里的所有component都依附于entity存在，包括camera组件。
--
module "AsuraEngine" 
require "transform"

AsuraEngine.Entity = AsuraEngine.Asset.Extend("Entity")

local Entity = AsuraEngine.Entity

function Entity:Ctor() 
	self.transform = AsuraEngine.Transform.New()
	self.subentities = {} -- Extend node entities
end

function Entity:AddChild(entity) 
	table.insert(self.child, entity)
end

function Entity:AddComponent(type, name)
	local cname = type 
	if name == nil then 
		cname = name 
	end 
	local component = AsuraEngine.Component.GetComponent(type)
	self.components[cname] = compoennt
end

function Entity:GetComponent(name)
	return self.components[name]
end

function Entity:GetComponentByType(type)

end

function Entity:OnEnable()
	
end

function Entity:OnEvent(e)
	if self.components == nil or type(self.components) ~= "table" then 
		AsuraEditor.LogError("")
		return 
	end 
	for name, component in self.components do 
		if component.OnEvent ~= nil then 
			component:OnEvent(e)
		end	
	end 
end

function Entity:OnUpdate(dt)
	for name, component in self.components do 
		if component.OnUpdate ~= nil then 
			component:OnUpdate(dt)
		end
	end
end

function Entity:OnRender()
	for name, component in self.components do 
		if component.OnRender ~= nil then 
			component.OnRender()
		end
	end
end

function Entity:OnDisable()
	for name, component in self.components do 
		if component.OnDisable ~= nil then 
			component.OnDisable()
		end
	end
end

function Entity:GetTrasform()
	return self.transform
end

function Entity:GetPosition()

end

function Entity:GetScale()

end

function Entity:GetRotation()

end

function Entity:SetTrasform(transform)

end

function Entity:SetPosition()

end

function Entity:SetScale()

end

function Entity:SetRotation()

end

--写asset
function Entity:ToAsset()

end

return Entity