Beispiel #1
0
        /// <summary>
        /// Instantiate the World from area files stored on disk
        /// </summary>
        /// <param name="areaPath">Path to the area folder</param>
        public void LoadFromDisk(string areaPath)
        {
            Logging.Log.Info("Loading world...");

            // Validate that the path exists
            if (!Directory.Exists(areaPath))
            {
                // Log a fatal error and exit
                Logging.Log.Fatal(String.Format("Unable to load area files - direcory does not exist: {0}", areaPath));
                Environment.Exit(1);
            }
            else
            {
                Logging.Log.Debug(String.Format("Area directory {0} located", areaPath));
            }

            // Build the path to the area.lst file
            string areaListPath = Path.Combine(areaPath, "area.lst");

            // Check for the existence of the area.lst file in the area folder
            if (!File.Exists(areaListPath))
            {
                // Log a fatal error and exit
                Logging.Log.Fatal(String.Format("Unable to find area.lst file in expected location: {0}", areaListPath));
                Environment.Exit(1);
            }
            else
            {
                Logging.Log.Debug(String.Format("Area list file {0} located", areaListPath));
            }

            // Load the area list
            string[] areaFileList = File.ReadAllLines(areaListPath);
            Logging.Log.Debug(String.Format("Area list file {0} loaded: {1} areas in list.", areaListPath, areaFileList.Length));

            // Loop over the area file list
            foreach (string areaFile in areaFileList)
            {
                // Skip the EOF line
                if (!areaFile.Equals("$"))
                {
                    // Load the area
                    Logging.Log.Debug(String.Format("Loading area file {0}", areaFile));
                    Models.AreaData newArea = Models.AreaData.LoadFromFile(Path.Combine(Program.config.AreaDirectory, areaFile));

                    // Check that we successfully loaded the area
                    if (newArea != null)
                    {
                        // Log
                        Logging.Log.Info(String.Format("Area {0} loaded", newArea.Name));

                        // Append to the world
                        this.Areas.Add(newArea);
                    }
                }
            }
        }
        public static AreaData LoadFromFile(string areaPath)
        {
            // Check that the file exists
            //try
            //{
            int              lineNum = 0;
            string           lineData;
            string           areaFile      = Path.GetFileName(areaPath);
            AreaReadingState state         = AreaReadingState.WaitingForSection;
            AreaData         areaOut       = new AreaData();
            int              errors        = 0;
            int              loaded        = 0;
            bool             backFromError = false;

            if (!File.Exists(areaPath))
            {
                // Log an error and return null
                Logging.Log.Error(String.Format("Unable to load requested area file {0}", areaPath));
                return(null);
            }

            // Instantiate a StreamReader and read the entire file
            StreamReader sr       = new StreamReader(areaPath);
            string       fileData = sr.ReadToEnd();

            sr.Dispose();

            // Instantiate a StreamReader for the file
            StringReader strRdr = new StringReader(fileData);

            // Parse the file, one line at a time.
            while ((lineData = strRdr.ReadLine()) != null)
            {
                // Increment lineNum
                lineNum++;

                switch (state)
                {
                case AreaReadingState.WaitingForSection:
                    // Skip blank lines while in this state
                    if (lineData.Trim().Equals(String.Empty))
                    {
                        Logging.Log.Debug(String.Format("Skipping empty line at {0}:{1}", areaFile, lineNum));
                        continue;
                    }

                    // Expect the first data line we come across to start with #
                    if (!lineData.StartsWith("#", StringComparison.InvariantCulture))
                    {
                        // Log an error and return null
                        Logging.Log.Error(String.Format("Error parsing {0} line {1}: Expected a section identifier, instead got {2}", areaFile, lineNum, lineData));
                        return(null);
                    }

                    // We've encountered a section heading; which one?
                    switch (lineData.Trim().ToUpper())
                    {
                        #region #$
                    // End-of-File Heading
                    case "#$":
                        // Log
                        Logging.Log.Debug(String.Format("Found #$ EOF marker in file {0} on line {1}, finishing up", areaFile, lineNum));

                        // Set state to finished
                        state = AreaReadingState.Finished;

                        break;
                        #endregion

                        #region #OBJECTS
                    case "#OBJECTS":
                        Logging.Log.Debug(String.Format("Found #OBJECTS heading in file {0} on line {1}", areaFile, lineNum));

                        // Continue reading until we hit a #0
                        bool readingObjects = true;
                        backFromError = false;
                        errors        = 0;
                        loaded        = 0;

                        while (readingObjects)
                        {
                            // Read a line
                            lineData = strRdr.ReadLine();
                            lineNum++;

                            // If we've recently come back from failing to load a mob, we need to ignore some lines
                            // until we get to the start of the next mob definition
                            if (backFromError)
                            {
                                // If the line is not the section terminator but it does begin with #, it is
                                // (should be) a new mob definition, so un-set the backFromError flag
                                if (!lineData.Trim().Equals("#0") && lineData.Trim().Length > 0 && lineData.Trim()[0].Equals('#'))
                                {
                                    // Un-set the backFromError flag; it's time to resume loading
                                    backFromError = false;

                                    Logging.Log.Debug(String.Format("Resuming loading of #OBJECTS section in area {0} on line {1} with mob {2}", areaFile, lineNum, lineData.Trim()));
                                }
                                // Otherwise, just move on to the next iteration of the loop
                                else
                                {
                                    continue;
                                }
                            }

                            if (lineData == null)
                            {
                                readingObjects = false;
                            }
                            else if (lineData.Trim().Equals("#0"))
                            {
                                readingObjects = false;
                            }
                            else if (!lineData.Trim().Equals("#0") && !lineData.Trim().Equals("#$") && !lineData.Trim().Equals(""))
                            {
                                try
                                {
                                    ObjectPrototypeData newObj = ObjectPrototypeData.ParseObjectData(ref strRdr, areaFile, ref lineNum, lineData);

                                    // If we have a loaded room, add it to the world
                                    if (newObj != null)
                                    {
                                        Program.World.Objects.Add(newObj);
                                        loaded++;
                                    }
                                    else
                                    {
                                        // Record a failed mob load, and set the indicator that we're back because of an error and should keep reading
                                        // but do nothing until we find a new mob
                                        errors++;
                                        backFromError = true;
                                    }
                                }
                                catch (ObjectParsingException ex)
                                {
                                    Logging.Log.Error(String.Format("Error parsing object: {0}", ex.Message));
                                }
                            }
                        }

                        Logging.Log.Debug(String.Format("Finished reading #OBJECTS section of file {0} on line {1} - loaded {2} objects, failed loading {3} mobs", areaFile, lineNum, loaded, errors));

                        break;
                        #endregion

                        #region #RESETS
                    case "#RESETS":
                        Logging.Log.Debug(String.Format("Found #RESETS heading in file {0} on line {1}", areaFile, lineNum));

                        // Continue reading until we hit a #0
                        bool readingResets = true;
                        backFromError = false;
                        errors        = 0;
                        loaded        = 0;
                        ResetData lastMob = null;

                        while (readingResets)
                        {
                            // Read a line
                            lineData = strRdr.ReadLine();
                            lineNum++;

                            if (lineData == null)
                            {
                                readingResets = false;
                            }
                            else if (lineData.Trim().Equals("S"))
                            {
                                readingResets = false;
                            }
                            else if (!lineData.Trim().Equals("S") && !lineData.Trim().Equals("#$") && !lineData.Trim().Equals(""))
                            {
                                try
                                {
                                    // Parse the reset
                                    ResetData newReset = ResetData.ParseResetData(areaFile, ref lineNum, lineData, lastMob);

                                    // Check that the reset parsed
                                    if (newReset != null)
                                    {
                                        // Special handling if the new reset is an E(quip) or G(ive)
                                        if (newReset.Command == ResetCommand.EquipObjectOnMob || newReset.Command == ResetCommand.GiveObjectToMob)
                                        {
                                            // Nest in the mob reset it relates to
                                            lastMob.Inner.Add(newReset);
                                        }
                                        else
                                        {
                                            // Otherwise, add the reset to the area
                                            areaOut.Resets.Add(newReset);
                                        }

                                        // If the reset was to spawn a M(ob), reset lastMob
                                        if (newReset.Command == ResetCommand.SpawnMobile)
                                        {
                                            lastMob = newReset;
                                        }

                                        // Finally, increment the loaded count
                                        loaded++;
                                    }
                                    else
                                    {
                                        // Record a failed mob load, and set the indicator that we're back because of an error and should keep reading
                                        // but do nothing until we find a new mob
                                        errors++;
                                        backFromError = true;
                                    }
                                }
                                catch (ObjectParsingException ex)
                                {
                                    Logging.Log.Error(String.Format("Error parsing object: {0}", ex.Message));
                                }
                            }
                        }

                        break;
                        #endregion

                        #region #SHOPS
                    case "#SHOPS":
                        Logging.Log.Debug(String.Format("Found #SHOPS heading in file {0} on line {1}", areaFile, lineNum));

                        // Continue reading until we hit a #0
                        bool readingShops = true;
                        backFromError = false;
                        errors        = 0;
                        loaded        = 0;

                        while (readingShops)
                        {
                            // Read a line
                            lineData = strRdr.ReadLine();
                            lineNum++;

                            // If we've recently come back from failing to load a mob, we need to ignore some lines
                            // until we get to the start of the next mob definition
                            if (backFromError)
                            {
                                // If the line is not the section terminator but it does begin with #, it is
                                // (should be) a new mob definition, so un-set the backFromError flag
                                if (!lineData.Trim().Equals("#0") && lineData.Trim().Length > 0 && lineData.Trim()[0].Equals('#'))
                                {
                                    // Un-set the backFromError flag; it's time to resume loading
                                    backFromError = false;

                                    Logging.Log.Debug(String.Format("Resuming loading of #SHOPS section in area {0} on line {1} with mob {2}", areaFile, lineNum, lineData.Trim()));
                                }
                                // Otherwise, just move on to the next iteration of the loop
                                else
                                {
                                    continue;
                                }
                            }

                            if (lineData == null)
                            {
                                readingShops = false;
                            }
                            else if (lineData.Trim().Equals("#0"))
                            {
                                readingShops = false;
                            }
                            else if (!lineData.Trim().Equals("#0") && !lineData.Trim().Equals("#$") && !lineData.Trim().Equals(""))
                            {
                                // TODO: Implement #SHOPS parsing
                            }
                        }

                        break;
                        #endregion

                        #region #SPECIALS
                    case "#SPECIALS":
                        Logging.Log.Debug(String.Format("Found #SPECIALS heading in file {0} on line {1}", areaFile, lineNum));

                        // Continue reading until we hit a #0
                        bool readingSpecials = true;
                        backFromError = false;
                        errors        = 0;
                        loaded        = 0;

                        while (readingSpecials)
                        {
                            // Read a line
                            lineData = strRdr.ReadLine();
                            lineNum++;

                            // If we've recently come back from failing to load a mob, we need to ignore some lines
                            // until we get to the start of the next mob definition
                            if (backFromError)
                            {
                                // If the line is not the section terminator but it does begin with #, it is
                                // (should be) a new mob definition, so un-set the backFromError flag
                                if (!lineData.Trim().Equals("#0") && lineData.Trim().Length > 0 && lineData.Trim()[0].Equals('#'))
                                {
                                    // Un-set the backFromError flag; it's time to resume loading
                                    backFromError = false;

                                    Logging.Log.Debug(String.Format("Resuming loading of #SPECIALS section in area {0} on line {1} with mob {2}", areaFile, lineNum, lineData.Trim()));
                                }
                                // Otherwise, just move on to the next iteration of the loop
                                else
                                {
                                    continue;
                                }
                            }

                            if (lineData == null)
                            {
                                readingSpecials = false;
                            }
                            else if (lineData.Trim().Equals("#0"))
                            {
                                readingSpecials = false;
                            }
                            else if (!lineData.Trim().Equals("#0") && !lineData.Trim().Equals("#$") && !lineData.Trim().Equals(""))
                            {
                                // TODO: Implement #SPECIALS parsing
                            }
                        }

                        break;
                        #endregion

                        #region #MOBILES
                    case "#MOBILES":
                        Logging.Log.Debug(String.Format("Found #MOBILES heading in file {0} on line {1}", areaFile, lineNum));

                        errors        = 0;
                        loaded        = 0;
                        backFromError = false;

                        // Continue reading until we hit a #0
                        bool readingMobs = true;
                        while (readingMobs)
                        {
                            // Read a line
                            lineData = strRdr.ReadLine();
                            lineNum++;

                            // If we've recently come back from failing to load a mob, we need to ignore some lines
                            // until we get to the start of the next mob definition
                            if (backFromError)
                            {
                                // If the line is not the section terminator but it does begin with #, it is
                                // (should be) a new mob definition, so un-set the backFromError flag
                                if (!lineData.Trim().Equals("#0") && lineData.Trim().Length > 0 && lineData.Trim()[0].Equals('#'))
                                {
                                    // Un-set the backFromError flag; it's time to resume loading
                                    backFromError = false;

                                    Logging.Log.Debug(String.Format("Resuming loading of #MOBILES section in area {0} on line {1} with mob {2}", areaFile, lineNum, lineData.Trim()));
                                }
                                // Otherwise, just move on to the next iteration of the loop
                                else
                                {
                                    continue;
                                }
                            }

                            if (lineData == null)
                            {
                                readingMobs = false;
                            }
                            else if (lineData.Trim().Equals("#0"))
                            {
                                readingMobs = false;
                            }
                            else if (!lineData.Trim().Equals("#0") && !lineData.Trim().Equals("#$") && !lineData.Trim().Equals(""))
                            {
                                MobPrototypeData newMob = MobPrototypeData.ParseMobData(ref strRdr, areaFile, ref lineNum, lineData);

                                // If we have a loaded room, add it to the world
                                if (newMob != null)
                                {
                                    Program.World.Mobs.Add(newMob);
                                    loaded++;
                                }
                                else
                                {
                                    // Record a failed mob load, and set the indicator that we're back because of an error and should keep reading
                                    // but do nothing until we find a new mob
                                    errors++;
                                    backFromError = true;
                                }
                            }
                        }

                        Logging.Log.Debug(String.Format("Finished reading #MOBILES section of file {0} on line {1} - loaded {2} mobs, failed loading {3} mobs", areaFile, lineNum, loaded, errors));

                        break;
                        #endregion

                        #region #ROOMS
                    case "#ROOMS":
                        Logging.Log.Debug(String.Format("Found #ROOMS heading in file {0} on line {1}", areaFile, lineNum));

                        // Continue reading until we hit a #0
                        bool readingRooms = true;
                        backFromError = false;
                        errors        = 0;
                        loaded        = 0;

                        while (readingRooms)
                        {
                            // Read a line
                            lineData = strRdr.ReadLine();
                            lineNum++;

                            // If we've recently come back from failing to load a mob, we need to ignore some lines
                            // until we get to the start of the next mob definition
                            if (backFromError)
                            {
                                // If the line is not the section terminator but it does begin with #, it is
                                // (should be) a new mob definition, so un-set the backFromError flag
                                if (!lineData.Trim().Equals("#0") && lineData.Trim().Length > 0 && lineData.Trim()[0].Equals('#'))
                                {
                                    // Un-set the backFromError flag; it's time to resume loading
                                    backFromError = false;

                                    Logging.Log.Debug(String.Format("Resuming loading of #ROOMS section in area {0} on line {1} with mob {2}", areaFile, lineNum, lineData.Trim()));
                                }
                                // Otherwise, just move on to the next iteration of the loop
                                else
                                {
                                    continue;
                                }
                            }

                            if (lineData == null)
                            {
                                readingRooms = false;
                            }
                            else if (lineData.Trim().Equals("#0"))
                            {
                                readingRooms = false;
                            }
                            else if (!lineData.Trim().Equals("#0") && !lineData.Trim().Equals("#$") && !lineData.Trim().Equals(""))
                            {
                                RoomIndexData newRoom = RoomIndexData.ParseRoomData(ref strRdr, areaFile, ref lineNum, lineData);

                                // If we have a loaded room, add it to the world
                                if (newRoom != null)
                                {
                                    loaded++;
                                    Program.World.Rooms.Add(newRoom);
                                }
                                else
                                {
                                    errors++;
                                    backFromError = true;
                                }
                            }
                        }

                        Logging.Log.Debug(String.Format("Finished reading #ROOMS section of file {0} on line {1} - loaded {2} rooms, failed loading {3} rooms", areaFile, lineNum, loaded, errors));

                        break;

                    default:
                        break;
                        #endregion

                        #region #AREA
                    // AREA Heading
                    case "#AREA":
                        Logging.Log.Debug(String.Format("Found #AREA heading in file {0} on line {1}", areaFile, lineNum));

                        #region Filename
                        // Read the next line - will be the area filename
                        lineData = strRdr.ReadLine();
                        lineNum++;

                        // Trim the trailing tilde
                        lineData = lineData.Substring(0, lineData.Trim().Length - 1);

                        // Set filename
                        areaOut.Filename = lineData;

                        Logging.Log.Debug(String.Format("Read area filename in file {0} on line {1}", areaFile, lineNum));
                        #endregion

                        #region Name
                        // Read the next line - will be the area name
                        lineData = strRdr.ReadLine();
                        lineNum++;

                        // Trim the trailing tilde
                        lineData = lineData.Substring(0, lineData.Trim().Length - 1);

                        // Set name
                        areaOut.Name = lineData;

                        Logging.Log.Debug(String.Format("Read area name in file {0} on line {1}", areaFile, lineNum));
                        #endregion

                        #region Credits
                        // Read the next line - will be the credits
                        lineData = strRdr.ReadLine();
                        lineNum++;

                        // Trim the trailing tilde
                        lineData = lineData.Substring(0, lineData.Trim().Length - 1);

                        // Set credits
                        areaOut.Credits = lineData;

                        Logging.Log.Debug(String.Format("Read credits information in file {0} on line {1}", areaFile, lineNum));
                        #endregion

                        #region MinVNUM and MaxVNUM
                        // Read the next line - will be the VNUM values
                        lineData = strRdr.ReadLine();
                        lineNum++;

                        // Split the line on space
                        string[] vnumData = lineData.Trim().Split(' ');

                        // Should be two values
                        if (!vnumData.Length.Equals(2))
                        {
                            // Log an error and return null
                            Logging.Log.Error(String.Format("Error parsing {0} line {1}: Expected two numbers separated by space for VNUM limits, instead found {2}", areaFile, lineNum, lineData));
                            return(null);
                        }

                        // Tracks which of the two numbers we're on
                        bool firstNum = true;

                        // Loop over the two values, each should convert to an integer
                        foreach (string vnum in vnumData)
                        {
                            int intVal;

                            // Try to parse the value as a 32-bit integer
                            if (!Int32.TryParse(vnum, out intVal))
                            {
                                // Log an error and return null
                                Logging.Log.Error(String.Format("Error parsing {0} line {1}: Error converting VNUM value {2} to an integer", areaFile, lineNum, vnum));
                                return(null);
                            }
                            else
                            {
                                if (firstNum)
                                {
                                    areaOut.MinVNum = intVal;
                                    firstNum        = false;
                                }
                                else
                                {
                                    areaOut.MaxVNum = intVal;
                                }
                            }
                        }

                        Logging.Log.Debug(String.Format("Finished processing #AREA section of file {0} at line {1}", areaFile, lineNum));
                        #endregion

                        break;
                        #endregion
                    }
                    break;

                default:
                    break;
                }
            }

            strRdr.Dispose();

            // Return the output area
            return(areaOut);
            //}
            //catch (Exception e)
            //{
            //    // Log the exception and rethrow
            //    Logging.Log.Fatal(String.Format("Unhandled exception caught: {0}: {1}\n{2}", e.GetType(), e.Message, e.StackTrace));
            //    throw (e);
            //}
        }