From 0dfcc5396a60c8d4aaa21f93f3bba1e13682a45a Mon Sep 17 00:00:00 2001
From: anth64 <anth64@protonmail.com>
Date: Thu, 30 Jul 2026 23:14:06 +0200
Subject: [PATCH] feat: add client-visualizer network endpoint for buffer
 geometry

---
 ClaimLink/ClaimLinkModSystem.cs         |  1 +
 ClaimLink/ClaimLinkVisualizerNetwork.cs | 89 +++++++++++++++++++++++++
 2 files changed, 90 insertions(+)
 create mode 100644 ClaimLink/ClaimLinkVisualizerNetwork.cs

diff --git a/ClaimLink/ClaimLinkModSystem.cs b/ClaimLink/ClaimLinkModSystem.cs
index e1f6539..aa1f5a2 100644
--- a/ClaimLink/ClaimLinkModSystem.cs
+++ b/ClaimLink/ClaimLinkModSystem.cs
@@ -35,6 +35,7 @@ public class ClaimLinkModSystem : ModSystem
         GroupCmdListener = new GroupCommandListener();
         CommandHookModSystem.Register(GroupCmdListener);
         ClaimLinkChatCommand.Register(api);
+        ClaimLinkVisualizerNetwork.Start(api);
 
         api.Event.PlayerDisconnect += CommandListener.OnPlayerDisconnect;
         api.Event.PlayerDisconnect += GroupCommandListener.OnPlayerDisconnect;
diff --git a/ClaimLink/ClaimLinkVisualizerNetwork.cs b/ClaimLink/ClaimLinkVisualizerNetwork.cs
new file mode 100644
index 0000000..a553a48
--- /dev/null
+++ b/ClaimLink/ClaimLinkVisualizerNetwork.cs
@@ -0,0 +1,89 @@
+using System.Collections.Generic;
+using ProtoBuf;
+using Vintagestory.API.MathTools;
+using Vintagestory.API.Server;
+
+namespace ClaimLink;
+
+[ProtoContract]
+public class ClaimLinkBufferRequest { }
+
+[ProtoContract]
+public class ClaimLinkBufferCuboidDto
+{
+    [ProtoMember(1)]
+    public int MinX;
+
+    [ProtoMember(2)]
+    public int MinY;
+
+    [ProtoMember(3)]
+    public int MinZ;
+
+    [ProtoMember(4)]
+    public int MaxX;
+
+    [ProtoMember(5)]
+    public int MaxY;
+
+    [ProtoMember(6)]
+    public int MaxZ;
+}
+
+[ProtoContract]
+public class ClaimLinkBufferEntryDto
+{
+    [ProtoMember(1)]
+    public int GroupId;
+
+    [ProtoMember(2)]
+    public List<ClaimLinkBufferCuboidDto> Cuboids = new();
+}
+
+[ProtoContract]
+public class ClaimLinkBufferResponse
+{
+    [ProtoMember(1)]
+    public List<ClaimLinkBufferEntryDto> Entries = new();
+}
+
+internal static class ClaimLinkVisualizerNetwork
+{
+    internal const string ChannelName = "claimlinkvisualizer";
+
+    internal static void Start(ICoreServerAPI api)
+    {
+        api.Network
+            .RegisterChannel(ChannelName)
+            .RegisterMessageType<ClaimLinkBufferRequest>()
+            .RegisterMessageType<ClaimLinkBufferResponse>()
+            .SetMessageHandler<ClaimLinkBufferRequest>((fromPlayer, _) =>
+                SendBuffers(api, fromPlayer)
+            );
+    }
+
+    private static void SendBuffers(ICoreServerAPI api, IServerPlayer toPlayer)
+    {
+        ClaimLinkBufferResponse response = new();
+
+        foreach (int groupId in ClaimLinkModSystem.Registry.All)
+        {
+            ClaimLinkBufferEntryDto entry = new() { GroupId = groupId };
+            foreach (Cuboidi cuboid in ClaimLinkBuffer.GetBuffer(groupId))
+                entry.Cuboids.Add(
+                    new ClaimLinkBufferCuboidDto
+                    {
+                        MinX = cuboid.MinX,
+                        MinY = cuboid.MinY,
+                        MinZ = cuboid.MinZ,
+                        MaxX = cuboid.MaxX,
+                        MaxY = cuboid.MaxY,
+                        MaxZ = cuboid.MaxZ,
+                    }
+                );
+            response.Entries.Add(entry);
+        }
+
+        api.Network.GetChannel(ChannelName).SendPacket(response, toPlayer);
+    }
+}