From 2bde55e7198d3bd4e8fd2ad3bd28050cdfbc195a Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Sat, 31 Oct 2026 21:14:01 +0000
Subject: [PATCH] Decompile fn_21889 (CGameMode::ReceiveGuildPositionInfo)

Batch #8771 by aDw: 0 byte-identical, 1 confirmed by peer review.

- fn_21889 CGameMode::ReceiveGuildPositionInfo: logic confirmed by peer review

Peer-reviewed-by: eAthena, dori
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
---
 Source/Client/Mode/CGameMode.h         |  1 +
 Source/Client/Mode/GameModePackets.cpp | 31 ++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/Source/Client/Mode/CGameMode.h b/Source/Client/Mode/CGameMode.h
index 86637650..02adf850 100644
--- a/Source/Client/Mode/CGameMode.h
+++ b/Source/Client/Mode/CGameMode.h
@@ -655,6 +655,7 @@ public:
   void ReceiveEquipWindowMicroscope2(const unsigned char* packet);
   void ReceiveEquipWindowMicroscope3(const unsigned char* packet);
   void ReceiveGuildMemberAdd(const unsigned char* packet);
+  void ReceiveGuildPositionInfo(const unsigned char* packet);
   void ReceiveRodexMailReturn(const unsigned char* packet);
   void ReceiveActorStatusValuePacket(const unsigned char* packet);
   void ReceivePartyMemberEffect(const unsigned char* packet);
diff --git a/Source/Client/Mode/GameModePackets.cpp b/Source/Client/Mode/GameModePackets.cpp
index 7c2ba70f..8153ad09 100644
--- a/Source/Client/Mode/GameModePackets.cpp
+++ b/Source/Client/Mode/GameModePackets.cpp
@@ -7228,3 +7228,34 @@ void CGameMode::ReceiveGuildMemberAdd(const unsigned char* packet) {
   guildInfo->UpdateMemberExpRatios();
   g_windowMgr.RefreshGuildWindows();
 }
+
+// OFFSET: 0x00D510C0
+// FUNCTION: fn_21889
+void CGameMode::ReceiveGuildPositionInfo(const unsigned char* packet) {
+  GuildInfo* guildInfo = reinterpret_cast<GuildInfo*>(reinterpret_cast<char*>(&g_guildId) - offsetof(GuildInfo, m_guildId));
+  const int count = static_cast<unsigned>(*reinterpret_cast<const std::int16_t*>(packet + 2) - 4) >> 4;
+  guildInfo->unknown_00D4.clear();
+
+  const unsigned char* entry = packet + 4;
+  for (int index = 0; index < count; ++index, entry += 16) {
+    const int positionId = *reinterpret_cast<const int*>(entry);
+    std::string name;
+    name = guildInfo->m_positions[positionId];
+
+    const unsigned int mode = *reinterpret_cast<const unsigned int*>(entry + 4);
+    GuildInfo::Unknown00D4Entry position;
+    position.unknown_0000 = *reinterpret_cast<const int*>(entry + 8);
+    position.unknown_0004 = positionId;
+    position.unknown_0008 = name;
+    position.unknown_0020 = mode & 1;
+    position.unknown_0024 = (mode >> 4) & 1;
+    position.unknown_0028 = *reinterpret_cast<const int*>(entry + 12);
+    position.unknown_002C = (mode >> 8) & 1;
+    guildInfo->unknown_00D4.push_back(position);
+  }
+
+  guildInfo->unknown_00D4.sort([](const GuildInfo::Unknown00D4Entry& left, const GuildInfo::Unknown00D4Entry& right) {
+    return left.unknown_0004 < right.unknown_0004;
+  });
+  g_windowMgr.RefreshGuildWindows();
+}