--ui挂接模型处理, 单一模型展示，比如只显示武器，不显示人物模型
UIPartModelClass = UIPartModelClass or BaseClass()
local UIPartModelClass = UIPartModelClass
--当前正在使用的rendertexture列表
function UIPartModelClass:__init(go, parent, res_id, texture_id, modelPartPos,type,raycastParent,texture_size,model_scale)
	self.gameObject = go
	self.parent = parent
	self.particle_list = {}
	self.pos_x = 0
	self.curr_index = UIModelClassByRT.GetRenderTextureIndex()
	self.gameObject.transform.position = Vector3(self.curr_index * 100,0,0)
	self.raycastParent = raycastParent
	
	self:SetData(parent, res_id, texture_id, modelPartPos, type,texture_size,model_scale)
	self:AddEvents()
end

function UIPartModelClass:__delete()
	UIModelClassByRT.using_render_texture_list[self.curr_index] = nil
	if self.clothe then
		self.clothe:DeleteMe()
		self.clothe = nil
	end
	destroy(self.gameObject)
	if self.raycastGo then
		destroy(self.raycastGo)
	end
	if self.rt then
		self.rt:Release()
		destroy(self.rt)
		self.rt = nil
	end
end

--UIPartModelConfig 模型位置，大小等的配置，由策划自己去调整
function UIPartModelClass:SetData(parent, res_id, texture_id, modelPartPos, role_type, texture_size,model_scale)
	local cfg = UIPartModelConfig[res_id]
	local size = nil 
	local rotate = nil 
	local can_rotate = nil 
	local position = nil 
	local scale = nil 
	if cfg then 
		size = cfg.size
		rotate = cfg.rotate
		can_rotate = cfg.can_rotate
		position = cfg.position
		scale = cfg.scale
	end

	self.res_id = res_id
	self.texture_id = texture_id
	self.type = role_type or nil
	self.size = texture_size or size or Vector2(600,360)
	self.rotate = 0
	self.can_rotate = can_rotate == nil or can_rotate == true
	self.scale = model_scale or scale
	self.position = position
	self.camera = self.gameObject.transform:Find("Camera"):GetComponent("Camera")
	local role_con = self.gameObject.transform:Find("role")
	role_con.localPosition = Vector3(0, 0, 500)
	local anName = ModelPartName[role_type] .. res_id
	local resName = ModelPartName[role_type] .. res_id
	if modelPartPos == FashionPartPos.Weapon then 
		anName = "model_wepon_" .. res_id
		resName = ModelPartName[role_type] .. res_id
		
	else

	end
	local function loadRoleCallback(objs)
		if self._use_delete_method then 
			return
		end
		if not objs or not objs[0] then
			return
		end
		if self.role then 
			destroy(self.role)
		end
		self.role = newObject(objs[0])
		
		local custom_speed = Config.ConfigModelSpeed.ModelActionSpeed[tonumber(res_id)]
        if custom_speed then
            local animator = self.role:GetComponent("Animator")
            if animator then
            	animator.speed = custom_speed
            end
        end

		self.role:GetComponent("Animator").cullingMode = UnityEngine.AnimatorCullingMode.AlwaysAnimate
		self.role.transform:SetParent(role_con)
		self.role.transform.localRotation = Quaternion.identity
		if position then
			-- self.role.transform.localPosition = position
			SetLocalPosition(self.role.transform, position.x, position.y, position.z)
		else
			SetLocalPosition(self.role.transform, 0)
			-- self.role.transform.localPosition = Vector3(0,0,0)
		end
		if self.scale then 
			self.role.transform.localScale = Vector3(self.scale,self.scale,self.scale)
		else
			self.role.transform.localScale = Vector3(100,100,100)
		end
		local rotate_type = type(rotate)
		if rotate_type == "number" then
			self.role.transform:Rotate(Vector3(0, 180 + (rotate), 0))
			self.rotate = rotate
		elseif rotate_type == "table" then
			self.role.transform:Rotate(rotate) 
			self.rotate = rotate.y
		else
			self.role.transform:Rotate(Vector3(0, 180, 0))
			self.rotate = 0
		end
		-- self.role.transform:Rotate(Vector3(0, 180 + (self.rotate), 0))
		local animator = self.role:GetComponent("Animator")
		if animator then 
			animator:CrossFade( "idle2",0, 0.0 )
		end
		if texture_id then
			self:CreateClothTexture(res_id, texture_id)
		end
	end
	local renderSize = {x = 1500, y = 900}
	self.rt = UnityEngine.RenderTexture.New(renderSize.x, renderSize.y, 24)
	self.camera.targetTexture = self.rt
	parent:GetComponent("RawImage").texture = self.rt
	--size = size or Vector2(600,360)
	parent.sizeDelta = Vector2(self.size.x, self.size.y)
	LuaResManager:getInstance():loadPrefab(self,anName,resName, loadRoleCallback, true)
end

--贴图
function UIPartModelClass:CreateClothTexture(fashion_model_id, texture_id)
	self.fashion_model_id = fashion_model_id
	self.texture_id = texture_id
	if fashion_model_id and texture_id and tonumber(texture_id) ~= 0 and self.gameObject then  --使用贴图
		if self.clothe then
			self.clothe:DeleteMe()
			self.clothe = nil
		end
		local texture_res = fashion_model_id .. "_" .. texture_id
		self.skin_mesh_renderer = self.gameObject:GetComponentInChildren(typeof(UnityEngine.SkinnedMeshRenderer))
		if self.skin_mesh_renderer and self.skin_mesh_renderer.material and texture_res then
			self.clothe = Clothe.New(self.skin_mesh_renderer.material,texture_res)
		end
	end
end

function UIPartModelClass:AddEvents() 
	if self.can_rotate then 
		local function touch_begin(target,pos_x, pos_y)
			self.pos_x = pos_x
		end
		local function draging(target,pos_x, pos_y)
			self:OnDragging(pos_x, pos_y)
		end
		local function touch_end(target,pos_x, pos_y)
		end
		local rtGo = self.parent.gameObject
		-- AddDownEvent(self.parent.gameObject, touch_begin)
		if self.raycastParent then
			self.parent:GetComponent("RawImage").raycastTarget = false
			self.raycastGo = GameObject.New("raycast_"..self.parent.gameObject.name)
			self.raycastGo.transform:SetParent(self.raycastParent.transform)
			local eImage = self.raycastGo:AddComponent(typeof(LuaFramework.EmptyRaycast))
			self.raycastGo.transform.position = self.parent.position
			self.raycastGo.transform.sizeDelta = Vector2(self.size.x, self.size.y)
			self.raycastGo.transform.localScale = Vector3.one
			eImage.raycastTarget = true
			if type(self.raycastParent) ~= "userdata" and self.raycastParent.use_background then
				self.raycastGo.transform:SetSiblingIndex(1)
			else
				self.raycastGo.transform:SetSiblingIndex(0)
			end
			rtGo = self.raycastGo
		else
			self.parent:GetComponent("RawImage").raycastTarget = true
		end
		AddDragBeginEvent(rtGo, touch_begin)
		AddDragEvent(rtGo, draging)
		AddDragEndEvent(rtGo, touch_end)
		-- AddUpEvent(self.parent.gameObject, touch_end)
	else
		self.parent:GetComponent("RawImage").raycastTarget = false
	end
end


function UIPartModelClass:OnDragging(pos_x, pos_y)
	if pos_x and self.pos_x then 
		local delta_x = pos_x - self.pos_x
		if self.role then 
			if delta_x > 0 then 
				self.rotate = self.rotate - 10
				-- self.role.transform:Rotate(Vector3(0, -10, 0))
				self.role.transform:Rotate(Vector3.up, -10, UnityEngine.Space.World)
			else
				self.rotate = self.rotate + 10
				-- self.role.transform:Rotate(Vector3(0, 10, 0))
				self.role.transform:Rotate(Vector3.up, 10, UnityEngine.Space.World)
			end
			self.pos_x = pos_x
		end
	else
		print("---UIPartModelClass--OnDragging-pos_x-:", pos_x)
		print("---UIPartModelClass--OnDragging-pos_y-:", pos_y)
	end
end