From f48e2d232b867295b5116c6d4e74c902aa0409ac Mon Sep 17 00:00:00 2001
From: Maple Nebel <maple.neb@gmail.com>
Date: Tue, 28 Apr 2026 13:23:26 +0200
Subject: [PATCH] change how Any is deserialized

---
 rnex-core/src/rmc/structures/any.rs       | 59 +++++++++++++++++++++--
 rnex-core/src/rmc/structures/matchmake.rs |  4 +-
 2 files changed, 58 insertions(+), 5 deletions(-)

diff --git a/rnex-core/src/rmc/structures/any.rs b/rnex-core/src/rmc/structures/any.rs
index 0f531d8..53e12d5 100644
--- a/rnex-core/src/rmc/structures/any.rs
+++ b/rnex-core/src/rmc/structures/any.rs
@@ -1,3 +1,4 @@
+use log::warn;
 use rnex_core::rmc::structures::{Result, RmcSerialize};
 use std::io::{Cursor, Read, Write};
 use v_byte_helpers::{IS_BIG_ENDIAN, ReadExtensions};
@@ -21,11 +22,23 @@ impl RmcSerialize for Any {
     fn deserialize(reader: &mut impl Read) -> Result<Self> {
         let name = String::deserialize(reader)?;
 
-        // also length ?
-        let _len2: u32 = reader.read_struct(IS_BIG_ENDIAN)?;
         let data = Vec::deserialize(reader)?;
+        let mut cursor = Cursor::new(&data);
+        // also length ?
+        let len2: u32 = cursor.read_struct(IS_BIG_ENDIAN)?;
 
-        Ok(Any { name, data })
+        if len2 as usize != data.len().overflowing_sub(4).0 {
+            warn!(
+                "mismatched sizes on any: {} vs {}",
+                data.len().overflowing_sub(4).0,
+                len2
+            );
+        }
+
+        Ok(Any {
+            name,
+            data: (&data[4..]).to_owned(),
+        })
     }
 }
 
@@ -43,3 +56,43 @@ impl Any {
         });
     }
 }
+
+#[cfg(test)]
+mod test {
+    use crate::rmc::structures::{
+        any::Any,
+        matchmake::{Gathering, MatchmakeSession},
+    };
+
+    #[test]
+    fn test() {
+        let sess = MatchmakeSession {
+            gathering: Gathering {
+                self_gid: 0,
+                owner_pid: 0,
+                host_pid: 0,
+                minimum_participants: 2,
+                maximum_participants: 2,
+                participant_policy: 98,
+                policy_argument: 0,
+                flags: 32,
+                state: 0,
+                description: "Doors Friend Invite".into(),
+            },
+            gamemode: 0,
+            attributes: [2, 3, 0, 0, 0, 0].into(),
+            open_participation: false,
+            matchmake_system_type: 2,
+            application_buffer: [1, 2, 3].into(),
+            participation_count: 0,
+            progress_score: 0,
+            session_key: [].into(),
+        };
+
+        let any = Any::new(&sess).unwrap();
+
+        let sess2: MatchmakeSession = any.try_get().unwrap().unwrap();
+
+        assert_eq!(sess, sess2);
+    }
+}
diff --git a/rnex-core/src/rmc/structures/matchmake.rs b/rnex-core/src/rmc/structures/matchmake.rs
index ffe4d7f..52af790 100644
--- a/rnex-core/src/rmc/structures/matchmake.rs
+++ b/rnex-core/src/rmc/structures/matchmake.rs
@@ -6,7 +6,7 @@ use rnex_core::rmc::structures::variant::Variant;
 use rnex_core::PID;
 
 // rmc structure
-#[derive(RmcSerialize, Debug, Clone, Default)]
+#[derive(RmcSerialize, Debug, Clone, Default, PartialEq)]
 #[rmc_struct(0)]
 pub struct Gathering {
     pub self_gid: u32,
@@ -54,7 +54,7 @@ cfg_if! {
             pub system_password_enabled: bool,
         }
     } else {
-        #[derive(RmcSerialize, Debug, Clone, Default)]
+        #[derive(RmcSerialize, Debug, Clone, Default, PartialEq)]
         #[rmc_struct(0)]
         pub struct MatchmakeSession {
             //inherits from