SpawnObject reversing.

vnetlog/vnetlog/PacketDecoder.cs

@@ -4,7 +4,6 @@ using System.Numerics;
 using Netlog.ServerIPC;
 using System.Text;
 using Dalamud.Memory;
-using Dalamud.Utility;
 
 namespace Netlog;
 
@@ -159,7 +158,7 @@ public unsafe class PacketDecoder
     {
         var details = category switch
         {
-            ActorControlCategory.CancelCast => $"{ActionStr((ActionType)p2, p3)}, interrupted={p4 == 1}", // note: some successful boss casts have this message on completion, seen param1=param4=0, param2=1; param1 is related to cast time?..
+            ActorControlCategory.CancelCast => $"{LogMsgStr(p1)}; action={ActionStr((ActionType)p2, p3)}, interrupted={p4 == 1}", // note: some successful boss casts have this message on completion
             ActorControlCategory.RecastDetails => $"group {p1}: {p2 * 0.01f:f2}/{p3 * 0.01f:f2}s",
             ActorControlCategory.Cooldown => $"group {p1}: action={ActionStr(ActionType.Spell, p2)}, time={p3 * 0.01f:f2}s",
             ActorControlCategory.GainEffect => $"{StatusStr(p1)}: extra={p2:X4}",
@@ -229,6 +228,16 @@ public unsafe class PacketDecoder
         return res;
     }
 
+    public TextNode DecodeSpawnObject(SpawnObject* p)
+    {
+        var res = new TextNode($"#{p->Index} {p->DataID:X} <{p->InstanceID:X}>");
+        res.AddChild($"Kind={p->Kind}, u2={p->u2_state}, u3={p->u3}, u20={p->u20}, tail={p->u3C:X2} {p->u3E:X2}");
+        res.AddChild($"LevelID={p->u_levelID}, GimmickID={p->u_gimmickID}, DutyID={p->DutyID}, FateID={p->FateID}");
+        res.AddChild($"Pos={Vec3Str(p->Position)}, Rot={IntToFloatAngleDeg(p->Rotation):f1}deg, Scale={p->Scale:f3}");
+        res.AddChild($"Model={p->u_modelID}, EState={p->EventState}, EObjState={p->EventObjectState}");
+        return res;
+    }
+
     public TextNode DecodeUpdateClassInfo(UpdateClassInfo* p, string extra = "") => new($"L{p->CurLevel}/{p->ClassLevel}/{p->SyncedLevel} {ClassJobAbbrev(p->ClassID)}, exp={p->CurExp}+{p->RestedExp}{extra}");
 
     public TextNode DecodeWaymarkPreset(WaymarkPreset* p)
@@ -275,6 +284,7 @@ public unsafe class PacketDecoder
         PacketID.ActorCast when (ActorCast*)payload is var p => DecodeActorCast(p),
         PacketID.UpdateHate when (UpdateHate*)payload is var p => DecodeUpdateHate(p),
         PacketID.UpdateHater when (UpdateHater*)payload is var p => DecodeUpdateHater(p),
+        PacketID.SpawnObject when (SpawnObject*)payload is var p => DecodeSpawnObject(p),
         PacketID.UpdateClassInfo when (UpdateClassInfo*)payload is var p => DecodeUpdateClassInfo(p),
         PacketID.UpdateClassInfoEureka when (UpdateClassInfoEureka*)payload is var p => DecodeUpdateClassInfo(&p->Data, $", rank={p->Rank}/{p->Element}/{p->u2}, pad={p->pad3:X2}"),
         PacketID.UpdateClassInfoBozja when (UpdateClassInfoBozja*)payload is var p => DecodeUpdateClassInfo(&p->Data, $", rank={p->Rank}, pad={p->pad1:X2}{p->pad2:X4}"),

vnetlog/vnetlog/PacketInterceptor.cs

@@ -71,6 +71,25 @@ unsafe class PacketInterceptor : IDisposable
                 TargetString = PacketDecoder.ObjStr(outData->IPC->TargetActor),
                 PayloadStrings = decoded ?? new(PacketDecoder.ByteArrayStr(payloadStart, payloadSize))
             });
+
+            // HACK for replacing sastasha's shortcut eobj with custom (eg wormholes), then open recommendations actor control with eobjanim
+            //if (opcode == 0x02D1 && *(uint*)(payloadStart + 4) == 0x1EB0CF)
+            //{
+            //    Service.LogError($"foo doing rep {*(uint*)(payloadStart + 0x2C)}");
+            //    *(uint*)(payloadStart + 4) = 0x1EA1E1;
+            //    *(uint*)(payloadStart + 0x2C) = 0;
+            //    _hackID = *(uint*)(payloadStart + 8);
+            //}
+            //if (opcode == 0x0256 && *(ushort*)payloadStart == 512 && _hackID != 0)
+            //{
+            //    Service.LogError($"replacing openrecs for {_hackID:X}");
+            //    outData->IPC->SourceActor = _hackID;
+            //    outData->IPC->TargetActor = _hackID;
+            //    *(ushort*)payloadStart = 413;
+            //    *(uint*)(payloadStart + 4) = 1;
+            //    *(uint*)(payloadStart + 8) = 2;
+            //    _hackID = 0;
+            //}
         }
         return res;
     }

vnetlog/vnetlog/ServerIPC.cs

@@ -1,4 +1,5 @@
 using FFXIVClientStructs.FFXIV.Client.Game;
+using FFXIVClientStructs.FFXIV.Common.Math;
 using System;
 using System.Runtime.InteropServices;
 
@@ -741,6 +742,31 @@ public unsafe struct UpdateHater
     public uint pad3;
 }
 
+[StructLayout(LayoutKind.Sequential, Pack = 1)]
+public unsafe struct SpawnObject
+{
+    public byte Index;
+    public byte Kind;
+    public byte u2_state;
+    public byte u3;
+    public uint DataID;
+    public uint InstanceID;
+    public uint u_levelID;
+    public uint DutyID;
+    public uint OwnerID;
+    public uint u_gimmickID;
+    public float Scale;
+    public ushort u20;
+    public ushort Rotation;
+    public ushort FateID;
+    public ushort EventState; // for common gameobject field
+    public uint EventObjectState; // for eventobject-specific field
+    public uint u_modelID;
+    public Vector3 Position;
+    public ushort u3C;
+    public ushort u3E;
+}
+
 [StructLayout(LayoutKind.Sequential, Pack = 1)]
 public unsafe struct UpdateClassInfo
 {