Implemented chatting room (#17)

Zframework/widget.lua

@@ -806,6 +806,37 @@ function WIDGET.lnk_STPeq(k,v)		return function()	return sceneTemp[k]==v			end e
 function WIDGET.lnk_pressKey(k)		return function()	love.keypressed(k)				end end
 function WIDGET.lnk_goScene(t,s)	return function()	SCN.go(t,s)						end end
 function WIDGET.lnk_swapScene(t,s)	return function()	SCN.swapTo(t,s)					end end
+function WIDGET.lnk_goNetgame()
+	if LOGIN then
+		if ACCOUNT.access_token then
+			local res=json.encode{
+				email=ACCOUNT.email,
+				access_token=ACCOUNT.access_token,
+			}
+			httpRequest(
+				TICK.httpREQ_checkAccessToken,
+				PATH.api..PATH.access,
+				"GET",
+				{["Content-Type"]="application/json"},
+				res
+			)
+		else
+			local payload=json.encode{
+				email=ACCOUNT.email,
+				auth_token=ACCOUNT.auth_token,
+			}
+			httpRequest(
+				TICK.httpREQ_getAccessToken,
+				PATH.api..PATH.access,
+				"POST",
+				{["Content-Type"]="application/json"},
+				payload
+			)
+		end
+	else
+		SCN.go("login")
+	end
+end
 
 local indexMeta={
 	__index=function(L,k)