From b29ecf3d22f0d4bfc0ae47c73572ae3d5b6d79eb Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Thu, 29 Oct 2026 17:23:00 +0000
Subject: [PATCH] Decompile 2 functions in
 Source/Contents/ShowRankingScheduler.cpp,
 Source/Contents/ShowRankingScheduler.h

Batch #2495 by willerthal: 0 byte-identical, 2 confirmed by peer review.

- fn_04735 CShowRankingScheduler::CShowRankingScheduler: logic confirmed by peer review
- fn_04739 CShowRankingScheduler::Process: logic confirmed by peer review

Peer-reviewed-by: bigodeira
Reviewed-by: ragnarok-clanker
---
 Source/Contents/ShowRankingScheduler.cpp | 75 ++++++++++++++++++++++++
 Source/Contents/ShowRankingScheduler.h   |  3 +
 2 files changed, 78 insertions(+)

diff --git a/Source/Contents/ShowRankingScheduler.cpp b/Source/Contents/ShowRankingScheduler.cpp
index 1f179d2d..05f9bc2d 100644
--- a/Source/Contents/ShowRankingScheduler.cpp
+++ b/Source/Contents/ShowRankingScheduler.cpp
@@ -1,8 +1,83 @@
 #include "Contents/ShowRankingScheduler.h"
 
+#include "Contents/MessageTable.h"
+#include "Contents/PlayerNameDictionary.h"
+#include "UI/Window/UIWindowMgr.h"
+
 #include <cerrno>
+#include <cstdint>
 #include <cstring>
 #include <crtdbg.h>
+#include <string>
+
+// GLOBAL: gl_24719
+int g_schedulerSerial;
+
+// GLOBAL: gl_24731
+std::string g_namelessName;
+
+// OFFSET: 0x00637550
+// FUNCTION: fn_04735
+CShowRankingScheduler::CShowRankingScheduler(const std::uint64_t& start, const std::uint64_t& end, int extra) {
+  ++g_schedulerSerial;
+  *reinterpret_cast<int*>(this->schedule + 4) = g_schedulerSerial;
+  *reinterpret_cast<std::uint64_t*>(this->schedule + 12) = start;
+  *reinterpret_cast<std::uint64_t*>(this->schedule + 20) = end;
+  *reinterpret_cast<int*>(this->schedule + 28) = extra;
+  *reinterpret_cast<std::uint16_t*>(this->schedule + 32) = 1;
+  *reinterpret_cast<int*>(this->schedule + 36) = 0;
+  *reinterpret_cast<int*>(this->schedule + 40) = 0;
+  this->unknown_0088 = 0;
+  this->unknown_008C = 0;
+  std::memset(this->rankingData, 0, sizeof(this->rankingData));
+  if (this->rankingList.capacity() < 16) {
+    this->rankingList.reserve(16);
+  }
+}
+
+// OFFSET: 0x00637C60
+// FUNCTION: fn_04739
+void CShowRankingScheduler::Process(const std::uint64_t& now) {
+  if (*reinterpret_cast<const std::int16_t*>(this->rankingData) != 0) {
+    const std::int64_t count =
+        static_cast<std::int64_t>((static_cast<std::uint64_t>(this->unknown_008C) << 32) | this->unknown_0088);
+    if (count > 0) {
+      const std::uint64_t due =
+          static_cast<std::uint64_t>(count) * 10000ull + *reinterpret_cast<const std::uint64_t*>(this->schedule + 12);
+      if (static_cast<std::int64_t>(due) <= static_cast<std::int64_t>(now)) {
+        this->Show();
+      } else {
+        bool complete = true;
+        const auto* ids = reinterpret_cast<const std::uint32_t*>(this->rankingData + 4);
+        for (int index = 0; index < 10; ++index) {
+          const std::uint32_t id = ids[index];
+          if (id == 0) {
+            continue;
+          }
+          std::string name;
+          for (std::uint32_t listed : this->rankingList) {
+            if (listed == id) {
+              name = g_namelessName;
+              break;
+            }
+          }
+          if (name.find(g_namelessName) == std::string::npos) {
+            name = LookupPlayerName(id);
+            if (name.empty()) {
+              complete = false;
+            }
+          }
+        }
+        if (!complete) {
+          g_windowMgr.SendNotice(1, reinterpret_cast<std::intptr_t>(LookupMessage(3481)), 0xffff, 0, 0, 0);
+          return;
+        }
+        this->Show();
+      }
+    }
+  }
+  this->schedule[32] = 0;
+}
 
 // OFFSET: 0x006378D0
 // FUNCTION: fn_04738
diff --git a/Source/Contents/ShowRankingScheduler.h b/Source/Contents/ShowRankingScheduler.h
index 0e76c205..d3235b42 100644
--- a/Source/Contents/ShowRankingScheduler.h
+++ b/Source/Contents/ShowRankingScheduler.h
@@ -16,9 +16,12 @@ std::map<int, RankingBoardStyle> RankingBoardStyles();
 
 class CShowRankingScheduler {
 public:
+  CShowRankingScheduler(const std::uint64_t& start, const std::uint64_t& end, int extra);
   virtual ~CShowRankingScheduler() = default;
 
   const void* SetData(const void* data);
+  void Process(const std::uint64_t& now);
+  void Show();
 
   /* 0004 */ std::uint8_t schedule[44];
   /* 0030 */ std::uint8_t rankingData[88];