fix: fixes incorrect date formatting (#577)

* fixed incorrect date formatting

* de-aligned assignments, as per PR review comment

Co-authored-by: Mathieu Bergounioux <[email protected]>

addons/escoria-core/game/core-scripts/log/esc_logger.gd

@@ -262,17 +262,29 @@ func report_errors(p_path: String, errors: Array) -> void:
 # * message: Message to log
 # * err: if true, write in stderr
 func _log(message:String, err: bool = false):
-	var info = OS.get_datetime()
-	info["message"] = message
-	message = "{year}-{month}-{day}T{hour}{minute}{second} {message}" \
-			.format(info)
+	message = "{0} {1}".format([_formatted_date(), message])
+
 	if err:
 		printerr(message)
 	else:
 		print(message)
 	_write_logfile(message)
 
 
+# Returns the current date/time, as a string 
+# formatted for logging. E.g. 2022-04-19T16:10:39
+func _formatted_date() -> String:
+	var info = OS.get_datetime()
+	info["year"] = "%04d" % info["year"]
+	info["month"] = "%02d" % info["month"]
+	info["day"] = "%02d" % info["day"]
+	info["hour"] = "%02d" % info["hour"]
+	info["minute"] = "%02d" % info["minute"]
+	info["second"] = "%02d" % info["second"]
+
+	return "{year}-{month}-{day}T{hour}:{minute}:{second}".format(info)
+
+
 # Returns the currently set log level
 # **Returns** Log level as set in the configuration
 func _get_log_level() -> int: