private void AddOffsetEntry(Disk disk, SpecificOffsetDiskEntry so, ref int maxOffset)
        {
            int offset = so.Offset;

            var data = disk.GetData();
            Array.Copy(so.Words, 0, data, offset, so.Words.Length);
            disk.SetData(data);

            offset += so.Words.Length;
            maxOffset = Math.Max(offset, maxOffset);
        }
        public BuildOutput Build(IBuildManager manager, ISolution solution, IProject project, IBuildProgressMonitor monitor)
        {
            var watch = new Stopwatch();
            var entries = new List<DiskEntry>();
            var buildSvc = this._workspace.GetService<ISimpleFileBuildService>();
            var msgs = new List<ICompileMessage>();
            var projPath = Path.GetDirectoryName(project.AbsolutePath);
            var fname = Path.Combine(projPath, project.GetProperty("outputFilename"));

            watch.Start();

            foreach (var file in project.Files)
            {
                DiskEntry newEntry;
                var fet = file.GetProperty("disk.entryTypeName");
                var op = buildSvc.Build(manager, solution, project, file, monitor, false);
                ushort[] words = op.Words;

                msgs.AddRange(op.Messages);

                if (!op.Success || words == null)
                {
                    monitor.StatusUpdate("Build failed for " + file.AbsolutePath);
                    return new BuildOutput { Success = false, Time = watch.Elapsed, Messages = msgs };
                }

                switch (fet)
                {
                    case "sector":
                        newEntry = new SpecificSectorDiskEntry { Name = file.Path, Sector = int.Parse(file.GetProperty("disk.index") ?? "0"), Words = words };
                        break;

                    case "offset":
                        newEntry = new SpecificOffsetDiskEntry { Name = file.Path, Offset = int.Parse(file.GetProperty("disk.index") ?? "0"), Words = words };
                        break;

                    case null:
                    case "":
                    case "fileSystem":
                        newEntry = new FileSystemDiskEntry { Name = file.Path, Path = file.Path, Words = words };
                        break;

                    default:
                        continue;
                }

                entries.Add(newEntry);
            }

            var disk = new Disk(this._plugin, project.Name, fname);
            disk.Compress = bool.Parse(project.GetProperty("compress") ?? "true");

            var provider = this._workspace.GetServices<IDiskFormatProvider>().Single(df => df.FormatName == project.GetProperty("filesystem.type"));
            provider.BuildDisk(disk, entries);

            disk.Save();

            watch.Stop();

            if (bool.Parse(project.GetProperty("autoLoad.enabled") ?? "false"))
            {
                int driveIndex = int.Parse(project.GetProperty("autoLoad.drive") ?? "0");
                this._plugin.LoadDisk(driveIndex, disk);
            }

            return new BuildOutput
                       {
                           CodeModel = null,
                           DebugInfo = null,
                           Messages = msgs,
                           Success = true,
                           Time = watch.Elapsed,
                           Words = disk.GetData()
                       };
        }