From dc2307a00e36ea066e3bd6325310a9aa4af68efc Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Wed, 28 Oct 2026 11:44:10 +0000
Subject: [PATCH] Decompile 3 functions in Source/Contents/Items/ItemInfo.cpp,
 Source/Contents/Items/ItemInfo.h

Batch #1368 by Yommy: 0 byte-identical, 3 confirmed by peer review.

- fn_06601 ItemInfo::IsForgeMaterial: logic confirmed by peer review
- fn_06604 ItemInfo::IsElementalStone: logic confirmed by peer review
- fn_06605 ItemInfo::IsAboveItemId600: logic confirmed by peer review

Reviewed-by: ragnarok-clanker
---
 Source/Contents/Items/ItemInfo.cpp | 40 ++++++++++++++++++++++++++++++
 Source/Contents/Items/ItemInfo.h   |  4 +++
 2 files changed, 44 insertions(+)

diff --git a/Source/Contents/Items/ItemInfo.cpp b/Source/Contents/Items/ItemInfo.cpp
index 9eda18a..3805d4a 100644
--- a/Source/Contents/Items/ItemInfo.cpp
+++ b/Source/Contents/Items/ItemInfo.cpp
@@ -3,6 +3,18 @@
 #include <cstdlib>
 #include <cstring>
 
+// GLOBAL: gl_24720
+unsigned char g_digitCharacters[256] = {
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
 // OFFSET: 0x006D47E0
 // FUNCTION: fn_06562
 ItemInfo::ItemInfo() {
@@ -211,3 +223,31 @@ bool ItemInfo::IsApprenticeItem() const {
   const unsigned id = static_cast<unsigned>(std::atoi(this->itemId.c_str()));
   return id - 9001u <= 498u || id - 10000u <= 999u;
 }
+
+// OFFSET: 0x006D8920
+// FUNCTION: fn_06601
+bool ItemInfo::IsForgeMaterial() const {
+  return std::atoi(this->itemId.c_str()) == 1000 || this->IsElementalStone();
+}
+
+// OFFSET: 0x006D8980
+
+// OFFSET: 0x006D8A10
+// FUNCTION: fn_06604
+bool ItemInfo::IsElementalStone() const {
+  switch (std::atoi(this->itemId.c_str())) {
+  case 994:
+  case 995:
+  case 996:
+  case 997:
+    return true;
+  default:
+    return false;
+  }
+}
+
+// OFFSET: 0x006D8A50
+// FUNCTION: fn_06605
+bool ItemInfo::IsAboveItemId600() const {
+  return std::atoi(this->itemId.c_str()) > 500 && std::atoi(this->itemId.c_str()) > 600;
+}
diff --git a/Source/Contents/Items/ItemInfo.h b/Source/Contents/Items/ItemInfo.h
index ff69dba..a1be2c9 100644
--- a/Source/Contents/Items/ItemInfo.h
+++ b/Source/Contents/Items/ItemInfo.h
@@ -48,6 +48,9 @@ struct alignas(8) ItemInfo {
   void SetItemId(int value);
   bool HasSpecialCard() const;
   bool IsApprenticeItem() const;
+  bool IsForgeMaterial() const;
+  bool IsElementalStone() const;
+  bool IsAboveItemId600() const;
   /* 0000 */ std::uint32_t unknown_0000[4];
   /* 0010 */ std::int32_t quantity;
   /* 0014 */ std::uint32_t unknown_0014[2];
@@ -76,6 +79,7 @@ struct alignas(8) ItemInfo {
 
 ItemInfo LookupClientItem(const std::list<ItemInfo>& values, int id, unsigned char requireIdentified);
 ItemInfo LookupClientItemByIdentity(const std::list<ItemInfo>& values, std::uint32_t id);
+bool IsNumericText(const char* text);
 
 #if defined(_WIN32) && !defined(_WIN64)
 static_assert(sizeof(ItemInfo) == 248);