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January 8, 2016 15:13
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C# file to drive robots from within AutoCAD via our Node/Cylon.js web-service
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| using Autodesk.AutoCAD.ApplicationServices; | |
| using Autodesk.AutoCAD.EditorInput; | |
| using Autodesk.AutoCAD.Runtime; | |
| using System.Globalization; | |
| using System.Net; | |
| using System.Web.Script.Serialization; | |
| namespace DriveRobots | |
| { | |
| public static class Extensions | |
| { | |
| public static string ToTitleCase(this string str) | |
| { | |
| return CultureInfo.CurrentCulture.TextInfo.ToTitleCase(str.ToLower()); | |
| } | |
| } | |
| public class Commands | |
| { | |
| private static string _lastBot = ""; | |
| const string host = "http://localhost:8080"; | |
| const string root = host + "/api/robots"; | |
| [CommandMethod("DR")] | |
| public void DriveRobot() | |
| { | |
| var doc = Application.DocumentManager.MdiActiveDocument; | |
| if (doc == null) | |
| return; | |
| var ed = doc.Editor; | |
| var db = doc.Database; | |
| using (var wc = new WebClient()) | |
| { | |
| string[] names = null; | |
| try | |
| { | |
| var json = wc.DownloadString(root); | |
| names = new JavaScriptSerializer().Deserialize<string[]>(json); | |
| } | |
| catch (System.Exception ex) | |
| { | |
| ed.WriteMessage("\nCan't access robot web-service: {0}.", ex.Message); | |
| return; | |
| } | |
| // Ask the user for the robot to control | |
| var pko = new PromptKeywordOptions("\nRobot name"); | |
| foreach (var name in names) | |
| { | |
| pko.Keywords.Add(name.ToTitleCase()); | |
| } | |
| // If a bot was selected previously, set it as the default | |
| if (!string.IsNullOrEmpty(_lastBot)) | |
| { | |
| pko.Keywords.Default = _lastBot; | |
| } | |
| var pkr = ed.GetKeywords(pko); | |
| if (pkr.Status != PromptStatus.OK) | |
| return; | |
| _lastBot = pkr.StringResult; | |
| var botUrl = root + "/" + _lastBot.ToLower(); | |
| // Start by getting the bot - this should wake it, if needed | |
| try | |
| { | |
| wc.DownloadString(botUrl); | |
| } | |
| catch (System.Exception ex) | |
| { | |
| ed.WriteMessage("\nCan't connect to {0}: {1}.", _lastBot, ex.Message); | |
| return; | |
| } | |
| // The direction can be one of the four main directions or a number | |
| var pio = new PromptIntegerOptions("\nDirection"); | |
| pio.Keywords.Add("Left"); | |
| pio.Keywords.Add("Right"); | |
| pio.Keywords.Add("Forward"); | |
| pio.Keywords.Add("Backward"); | |
| pio.AppendKeywordsToMessage = true; | |
| // Set the direction depending on which was chosen | |
| var pir = ed.GetInteger(pio); | |
| var direction = ""; | |
| if (pir.Status == PromptStatus.Keyword) | |
| { | |
| direction = pir.StringResult; | |
| } | |
| else if (pir.Status == PromptStatus.OK) | |
| { | |
| direction = pir.Value.ToString(); | |
| } | |
| else return; | |
| // Generate the URL to direct the robot | |
| var dirUrl = botUrl + "/" + direction.ToLower(); | |
| // Our move command | |
| try | |
| { | |
| wc.DownloadString(dirUrl); | |
| } | |
| catch (System.Exception ex) | |
| { | |
| ed.WriteMessage("\nCan't move {0}: {1}.", _lastBot, ex.Message); | |
| } | |
| } | |
| } | |
| } | |
| } |
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