From de1e07768d0f4650915bf00f29becd9acc2d881d Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Sat, 31 Oct 2026 18:53:39 +0000
Subject: [PATCH] Decompile fn_21353 (CGameMode::sub_CEBBB0)

Batch #8422 by eAthena: 0 byte-identical, 1 confirmed by peer review.

- fn_21353 CGameMode::sub_CEBBB0: logic confirmed by peer review

Peer-reviewed-by: Yommy, Lumen, KWDev
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
---
 Source/Client/Mode/CGameMode.h  |  3 +-
 Source/Client/Mode/GameMode.cpp | 60 +++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+), 1 deletion(-)

diff --git a/Source/Client/Mode/CGameMode.h b/Source/Client/Mode/CGameMode.h
index 00d576612..8ebfd82eb 100644
--- a/Source/Client/Mode/CGameMode.h
+++ b/Source/Client/Mode/CGameMode.h
@@ -165,7 +165,7 @@ public:
   void sub_CFE480(int actorId);
   void NotifyUnknown0604(int value);
   void UpdatePetFriendlyWindow(int previousFriendly);
-  bool SaveEmblemFile(const std::vector<unsigned char>& data);
+  __declspec(noinline) bool SaveEmblemFile(const std::vector<unsigned char>& data);
   void SendNpcInputText(std::uint32_t npcId, const char* text, const char* replacement, int unused);
   std::string HuntTargetText(const RenewQuestOngoingInfo& quest, int index);
   std::vector<unsigned char> SaveActiveSkillEffects();
@@ -438,6 +438,7 @@ public:
   void AddUnknown0604(UIWindow* window);
   void RequestAdminStatus();
   void sub_CEB8E0();
+  unsigned sub_CEBBB0(const std::vector<unsigned char>& data);
   unsigned sub_CEBF30(const std::vector<unsigned char>& data);
   unsigned sub_CEC100(const std::vector<unsigned char>& data);
   unsigned sub_CEC6A0(const std::vector<unsigned char>& data);
diff --git a/Source/Client/Mode/GameMode.cpp b/Source/Client/Mode/GameMode.cpp
index 0bd995541..3417fe3b3 100644
--- a/Source/Client/Mode/GameMode.cpp
+++ b/Source/Client/Mode/GameMode.cpp
@@ -1692,3 +1692,63 @@ std::vector<unsigned char> CGameMode::WriteReplaySkillState() {
   }
   return output;
 }
+
+// OFFSET: 0x00CEBBB0
+// FUNCTION: fn_21353
+unsigned CGameMode::sub_CEBBB0(const std::vector<unsigned char>& data) {
+  if (data.empty()) {
+    return 0xFFFFFFFFu;
+  }
+
+  GameModeChunkHeader header = {};
+  std::vector<unsigned char> record;
+  unsigned offset = 6;
+  std::uint32_t guildId = 0;
+  header = *reinterpret_cast<const GameModeChunkHeader*>(data.data());
+  if (header.type == 13000) {
+    while (offset < data.size()) {
+      header = {};
+      header = *reinterpret_cast<const GameModeChunkHeader*>(data.data() + offset);
+      offset += 6;
+
+      if (static_cast<int>(header.size) > 0) {
+        record.resize(header.size);
+      }
+
+      switch (header.type) {
+      case 13001:
+        goto finished;
+      case 13002:
+        std::memcpy(record.data(), data.data() + offset, header.size);
+        offset += header.size;
+        this->SaveEmblemFile(record);
+        break;
+      case 13003:
+        std::memcpy(record.data(), data.data() + offset, header.size);
+        offset += header.size;
+        this->nameCard.Load(reinterpret_cast<const std::vector<char>&>(record));
+        break;
+      case 13004:
+        std::memcpy(&guildId, data.data() + offset, header.size);
+        offset += header.size;
+        break;
+      case 13005: {
+        int emblemVersion = 0;
+        std::memcpy(&emblemVersion, data.data() + offset, header.size);
+        offset += header.size;
+        this->scene->player->Slot49(guildId, emblemVersion);
+        g_guildId = guildId;
+        break;
+      }
+      default:
+        offset += header.size;
+        break;
+      }
+    }
+  } else {
+    offset = 0xFFFFFFFFu;
+  }
+
+finished:
+  return offset;
+}