Now the actual code changes - lol

common/eq_packet_structs.h

@@ -2495,6 +2495,7 @@ struct BookRequest_Struct {
 	uint8 window;	// where to display the text (0xFF means new window)
 	uint8 type;		//type: 0=scroll, 1=book, 2=item info.. prolly others.
 	uint32 invslot;	// Only used in Sof and later clients;
+	int16 subslot; // The subslot inside of a bag if it is inside one.
 	char txtfile[20];
 };
 

common/patches/rof2.cpp

@@ -5154,6 +5154,7 @@ namespace RoF2
 
 		IN(type);
 		IN(invslot);
+		IN(subslot);
 		emu->window = (uint8)eq->window;
 		strn0cpy(emu->txtfile, eq->txtfile, sizeof(emu->txtfile));
 

common/patches/rof2_structs.h

@@ -2826,7 +2826,8 @@ struct BookText_Struct {
 struct BookRequest_Struct {
 /*0000*/	uint32 window;		// where to display the text (0xFFFFFFFF means new window).
 /*0004*/	uint16 invslot;		// Is the slot, but the RoF2 conversion causes it to fail.  Turned to 0 since it isnt required anyway.
-/*0008*/	uint32 unknown006;	// Seen FFFFFFFF
+/*0006*/	int16 subslot;		// Inventory sub-slot (0-x)
+/*0008*/	uint16 unknown006;	// Seen FFFF
 /*0010*/	uint16 unknown008;	// seen 0000
 /*0012*/	uint32 type;		// 0 = Scroll, 1 = Book, 2 = Item Info. Possibly others
 /*0016*/	uint32 unknown0012;

common/shareddb.cpp

@@ -1136,13 +1136,13 @@ const EQEmu::ItemData* SharedDatabase::IterateItems(uint32* id) {
 	return nullptr;
 }
 
-std::string SharedDatabase::GetBook(const char *txtfile)
+std::string SharedDatabase::GetBook(const char *txtfile, int16 *language)
 {
 	char txtfile2[20];
 	std::string txtout;
 	strcpy(txtfile2, txtfile);
 
-	std::string query = StringFormat("SELECT txtfile FROM books WHERE name = '%s'", txtfile2);
+	std::string query = StringFormat("SELECT txtfile, language FROM books WHERE name = '%s'", txtfile2);
 	auto results = QueryDatabase(query);
 	if (!results.Success()) {
 		txtout.assign(" ",1);
@@ -1157,6 +1157,7 @@ std::string SharedDatabase::GetBook(const char *txtfile)
 
     auto row = results.begin();
     txtout.assign(row[0],strlen(row[0]));
+    *language = static_cast<int16>(atoi(row[1]));
 
     return txtout;
 }

common/shareddb.h

@@ -94,7 +94,7 @@ class SharedDatabase : public Database
 		bool	SetStartingItems(PlayerProfile_Struct* pp, EQEmu::InventoryProfile* inv, uint32 si_race, uint32 si_class, uint32 si_deity, uint32 si_current_zone, char* si_name, int admin);
 
 
-		std::string	GetBook(const char *txtfile);
+		std::string	GetBook(const char *txtfile, int16 *language);
 
 		/*
 		    Item Methods