From cdc3c895f1c1710fc46c8bb011f775c61bca60d7 Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Wed, 28 Oct 2026 12:08:03 +0000
Subject: [PATCH] Decompile 2 functions in Source/Resource/ResourceMgr.cpp,
 Source/Resource/ResourceMgr.h

Batch #1385 by Yommy: 0 byte-identical, 2 confirmed by peer review.

- fn_18209 ResourceMgr::Instance: logic confirmed by peer review
- fn_18189 ResourceMgr::UnloadAll: logic confirmed by peer review

Reviewed-by: ragnarok-clanker
---
 Source/Resource/ResourceMgr.cpp | 26 +++++++++++++++++++++++++-
 Source/Resource/ResourceMgr.h   |  6 +++++-
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/Source/Resource/ResourceMgr.cpp b/Source/Resource/ResourceMgr.cpp
index 97b291c..bb86b1e 100644
--- a/Source/Resource/ResourceMgr.cpp
+++ b/Source/Resource/ResourceMgr.cpp
@@ -20,10 +20,18 @@ bool ResourceNameLess::operator()(const ResourceName* left, const ResourceName*
 }
 
 // INLINED
-ResourceMgr::ResourceMgr(ResourceFailures& failures) : m_failures(&failures) {
+ResourceMgr::ResourceMgr() : unknown_004C{} {
   InitializeCriticalSection(&this->m_lock);
 }
 
+// OFFSET: 0x00AF1620
+// FUNCTION: fn_18209
+ResourceMgr& ResourceMgr::Instance() {
+  // GLOBAL: gl_24488
+  static ResourceMgr g_resourceMgr;
+  return g_resourceMgr;
+}
+
 // OFFSET: 0x00AEE070
 // FUNCTION: fn_18169
 ResourceMgr::~ResourceMgr() {
@@ -186,6 +194,22 @@ void ResourceMgr::EraseTransient(CRes* resource) {
   }
 }
 
+// OFFSET: 0x00AF0680
+// FUNCTION: fn_18189
+void ResourceMgr::UnloadAll() {
+  this->m_transient.clear();
+
+  for (std::size_t type = 0; type < this->m_resources.size(); ++type) {
+    auto& resources = this->m_resources[type];
+    for (auto entry = resources.begin(); entry != resources.end(); ++entry) {
+      entry->second->Unload();
+      delete entry->second;
+    }
+
+    resources.clear();
+  }
+}
+
 // OFFSET: 0x00AF0A10
 // FUNCTION: fn_18192
 void ResourceMgr::ClearUnused(const char* extension) {
diff --git a/Source/Resource/ResourceMgr.h b/Source/Resource/ResourceMgr.h
index e057186..385bf7d 100644
--- a/Source/Resource/ResourceMgr.h
+++ b/Source/Resource/ResourceMgr.h
@@ -4,6 +4,7 @@
 #include "Resource/Resource.h"
 #include "Resource/ResourceAliases.h"
 
+#include <cstdint>
 #include <map>
 #include <vector>
 #include <windows.h>
@@ -16,14 +17,16 @@ struct ResourceNameLess {
 
 class ResourceMgr {
 public:
-  explicit ResourceMgr(ResourceFailures& failures);
+  ResourceMgr();
   ~ResourceMgr();
+  static ResourceMgr& Instance();
   void Register(const char* extension, const char* prefix, CRes* prototype);
   int FindType(const char* extension) const;
   CRes* Find(int type, const char* name) const;
   CRes* Load(const char* name);
   void Remove(CRes* resource);
   bool Exists(const char* name);
+  void UnloadAll();
   void ClearUnused(const char* extension);
   void ClearUnused();
   void ClearExpired(const unsigned& reuseDelay);
@@ -38,6 +41,7 @@ private:
   CRITICAL_SECTION m_lock;
   std::vector<CRes*> m_transient;
   ResourceFailures* m_failures;
+  std::uint32_t unknown_004C[17];
   void EraseTransient(CRes* resource);
   ResourceMgr(const ResourceMgr&) = delete;
   ResourceMgr& operator=(const ResourceMgr&) = delete;