Handle more IDDB-specific places that use Machine information

SabreTools.DatFiles/Formats/Missfile.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Text;
 using SabreTools.Core;
 using SabreTools.DatItems;
@@ -96,6 +97,68 @@ namespace SabreTools.DatFiles.Formats
             return true;
         }
 
+        /// <inheritdoc/>
+        public override bool WriteToFileDB(string outfile, bool ignoreblanks = false, bool throwOnError = false)
+        {
+            try
+            {
+                logger.User($"Writing to '{outfile}'...");
+                FileStream fs = File.Create(outfile);
+
+                // If we get back null for some reason, just log and return
+                if (fs == null)
+                {
+                    logger.Warning($"File '{outfile}' could not be created for writing! Please check to see if the file is writable");
+                    return false;
+                }
+
+                StreamWriter sw = new(fs, new UTF8Encoding(false));
+
+                // Write out each of the machines and roms
+                string? lastgame = null;
+
+                // Use a sorted list of games to output
+                foreach (string key in ItemsDB.SortedKeys)
+                {
+                    // If this machine doesn't contain any writable items, skip
+                    var items = ItemsDB.GetItemsForBucket(key, filter: true);
+                    if (items == null || !ContainsWritable(items))
+                        continue;
+
+                    // Resolve the names in the block
+                    items = DatItem.ResolveNamesDB(items.ToConcurrentList()).ToArray();
+
+                    for (int index = 0; index < items.Length; index++)
+                    {
+                        // Check for a "null" item
+                        var datItem = items[index];
+                        datItem = ProcessNullifiedItem(datItem);
+
+                        // Get the machine for the item
+                        var machine = ItemsDB.GetMachineForItem(datItem.Item1);
+
+                        // Write out the item if we're using machine names or we're not ignoring
+                        if (!Header.GetBoolFieldValue(DatHeader.UseRomNameKey) == true || !ShouldIgnore(datItem, ignoreblanks))
+                            WriteDatItemDB(sw, datItem, lastgame);
+
+                        // Set the new data to compare against
+                        lastgame = machine.Item2!.GetStringFieldValue(Models.Metadata.Machine.NameKey);
+                    }
+                }
+
+                logger.User($"'{outfile}' written!{Environment.NewLine}");
+                sw.Dispose();
+                fs.Dispose();
+            }
+            catch (Exception ex) when (!throwOnError)
+            {
+                logger.Error(ex);
+                return false;
+            }
+
+            return true;
+        }
+
         /// <summary>
         /// Write out DatItem using the supplied StreamWriter
         /// </summary>
@@ -115,5 +178,28 @@ namespace SabreTools.DatFiles.Formats
 
             sw.Flush();
         }
+
+        /// <summary>
+        /// Write out DatItem using the supplied StreamWriter
+        /// </summary>
+        /// <param name="sw">StreamWriter to output to</param>
+        /// <param name="datItem">DatItem object to be output</param>
+        /// <param name="lastgame">The name of the last game to be output</param>
+        private void WriteDatItemDB(StreamWriter sw, (long, DatItem) datItem, string? lastgame)
+        {
+            // Get the machine for the item
+            var machine = ItemsDB.GetMachineForItem(datItem.Item1);
+
+            // Process the item name
+            ProcessItemNameDB(datItem, false, forceRomName: false);
+
+            // Romba mode automatically uses item name
+            if (Header.GetFieldValue<DepotInformation?>(DatHeader.OutputDepotKey)?.IsActive == true || Header.GetBoolFieldValue(DatHeader.UseRomNameKey) == true)
+                sw.Write($"{datItem.Item2.GetName() ?? string.Empty}\n");
+            else if (!Header.GetBoolFieldValue(DatHeader.UseRomNameKey) == true && machine.Item2!.GetStringFieldValue(Models.Metadata.Machine.NameKey) != lastgame)
+                sw.Write($"{machine.Item2!.GetStringFieldValue(Models.Metadata.Machine.NameKey) ?? string.Empty}\n");
+
+            sw.Flush();
+        }
     }
 }