Implemented custom names and lore

+ Added custom names and lore
+ Added saving and loading
+ Added writing and parsing of NBT

src/Item.cpp

@@ -91,28 +91,6 @@ bool cItem::DamageItem(short a_Amount)
 
 
 
-bool cItem::IsStackableWith(const cItem & a_OtherStack) const
-{
-	if (a_OtherStack.m_ItemType != m_ItemType)
-	{
-		return false;
-	}
-	if (a_OtherStack.m_ItemDamage != m_ItemDamage)
-	{
-		return false;
-	}
-	if (a_OtherStack.m_Enchantments != m_Enchantments)
-	{
-		return false;
-	}
-	
-	return true;
-}
-
-
-
-
-
 bool cItem::IsFullStack(void) const
 {
 	return (m_ItemCount >= ItemHandler(m_ItemType)->GetMaxStackSize());
@@ -153,6 +131,14 @@ void cItem::GetJson(Json::Value & a_OutValue) const
 		{
 			a_OutValue["ench"] = Enchantments;
 		}
+		if (!IsCustomNameEmpty())
+		{
+			a_OutValue["Name"] = m_CustomName;
+		}
+		if (!IsLoreEmpty())
+		{
+			a_OutValue["Lore"] = m_Lore;
+		}
 	}
 }
 
@@ -169,6 +155,8 @@ void cItem::FromJson(const Json::Value & a_Value)
 		m_ItemDamage = (short)a_Value.get("Health", -1 ).asInt();
 		m_Enchantments.Clear();
 		m_Enchantments.AddFromString(a_Value.get("ench", "").asString());
+		m_CustomName = a_Value.get("Name", "").asString();
+		m_Lore = a_Value.get("Lore", "").asString();
 	}
 }
 

src/Item.h

@@ -36,7 +36,9 @@ public:
 	cItem(void) :
 		m_ItemType(E_ITEM_EMPTY),
 		m_ItemCount(0),
-		m_ItemDamage(0)
+		m_ItemDamage(0),
+		m_CustomName(""),
+		m_Lore("")
 	{
 	}
 	
@@ -46,12 +48,16 @@ public:
 		short a_ItemType,
 		char a_ItemCount = 1,
 		short a_ItemDamage = 0,
-		const AString & a_Enchantments = ""
+		const AString & a_Enchantments = "",
+		const AString & a_CustomName = "",
+		const AString & a_Lore = ""
 	) :
 		m_ItemType    (a_ItemType),
 		m_ItemCount   (a_ItemCount),
 		m_ItemDamage  (a_ItemDamage),
-		m_Enchantments(a_Enchantments)
+		m_Enchantments(a_Enchantments),
+		m_CustomName  (a_CustomName),
+		m_Lore        (a_Lore)
 	{
 		if (!IsValidItem(m_ItemType))
 		{
@@ -69,7 +75,9 @@ public:
 		m_ItemType    (a_CopyFrom.m_ItemType),
 		m_ItemCount   (a_CopyFrom.m_ItemCount),
 		m_ItemDamage  (a_CopyFrom.m_ItemDamage),
-		m_Enchantments(a_CopyFrom.m_Enchantments)
+		m_Enchantments(a_CopyFrom.m_Enchantments),
+		m_CustomName  (a_CopyFrom.m_CustomName),
+		m_Lore        (a_CopyFrom.m_Lore)
 	{
 	}
 	
@@ -80,6 +88,8 @@ public:
 		m_ItemCount = 0;
 		m_ItemDamage = 0;
 		m_Enchantments.Clear();
+		m_CustomName = "";
+		m_Lore = "";
 	}
 	
 	
@@ -96,13 +106,16 @@ public:
 		return ((m_ItemType <= 0) || (m_ItemCount <= 0));
 	}
 	
-	
+	/* Returns true if this itemstack can stack with the specified stack (types match, enchantments etc.) ItemCounts are ignored!
+	*/
 	bool IsEqual(const cItem & a_Item) const
 	{
 		return (
 			IsSameType(a_Item) &&
 			(m_ItemDamage == a_Item.m_ItemDamage) &&
-			(m_Enchantments == a_Item.m_Enchantments)
+			(m_Enchantments == a_Item.m_Enchantments) &&
+			(m_CustomName == a_Item.m_CustomName) &&
+			(m_Lore == a_Item.m_Lore)
 		);
 	}
 	
@@ -113,6 +126,16 @@ public:
 	}
 
 
+	bool IsBothNameAndLoreEmpty(void) const
+	{
+		return (m_CustomName.empty() && m_Lore.empty());
+	}
+
+
+	bool IsCustomNameEmpty(void) const { return (m_CustomName.empty()); }
+	bool IsLoreEmpty(void) const { return (m_Lore.empty()); }
+	
+
 	/// Returns a copy of this item with m_ItemCount set to 1. Useful to preserve enchantments etc. on stacked items
 	cItem CopyOne(void) const;
 	
@@ -127,8 +150,10 @@ public:
 
 	inline bool IsDamageable(void) const { return (GetMaxDamage() > 0); }
 	
-	/// Returns true if this itemstack can stack with the specified stack (types match, enchantments etc.) ItemCounts are ignored!
-	bool IsStackableWith(const cItem & a_OtherStack) const;
+	/* Returns true if this itemstack can stack with the specified stack (types match, enchantments etc.) ItemCounts are ignored!
+	   THIS FUNCTION IS OBSOLETE; USE ISEQUAL INSTEAD
+	*/
+	OBSOLETE bool IsStackableWith(const cItem & a_OtherStack) const { return IsEqual(a_OtherStack); }
 	
 	/// Returns true if the item is stacked up to its maximum stacking.
 	bool IsFullStack(void) const;
@@ -155,6 +180,8 @@ public:
 	short         m_ItemType;
 	char          m_ItemCount;
 	short         m_ItemDamage;
+	AString       m_CustomName;
+	AString       m_Lore;
 	cEnchantments m_Enchantments;
 };
 // tolua_end

src/Protocol/Protocol17x.cpp

@@ -1647,7 +1647,7 @@ void cProtocol172::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata)
 		return;
 	}
 	
-	// Load enchantments from the NBT:
+	// Load enchantments and custom display names from the NBT data:
 	for (int tag = NBT.GetFirstChild(NBT.GetRoot()); tag >= 0; tag = NBT.GetNextSibling(tag))
 	{
 		if (
@@ -1660,6 +1660,27 @@ void cProtocol172::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata)
 		{
 			a_Item.m_Enchantments.ParseFromNBT(NBT, tag);
 		}
+		else if ((NBT.GetType(tag) == TAG_Compound) && (NBT.GetName(tag) == "display")) // Custom name and lore tag
+		{
+			for (int displaytag = NBT.GetFirstChild(tag); displaytag >= 0; displaytag = NBT.GetNextSibling(displaytag))
+			{
+				if ((NBT.GetType(displaytag) == TAG_String) && (NBT.GetName(displaytag) == "Name")) // Custon name tag
+				{
+					a_Item.m_CustomName = NBT.GetString(displaytag);
+				}
+				else if ((NBT.GetType(displaytag) == TAG_List) && (NBT.GetName(displaytag) == "Lore")) // Lore tag
+				{
+					AString Lore;
+
+					for (int loretag = NBT.GetFirstChild(displaytag); loretag >= 0; loretag = NBT.GetNextSibling(loretag)) // Loop through array of strings
+					{
+						AppendPrintf(Lore, "%s\n", NBT.GetString(loretag).c_str()); // Append the lore with a newline, used internally by MCS to display a new line in the client; don't forget to c_str ;)
+					}
+
+					a_Item.m_Lore = Lore;
+				}
+			}
+		}
 	}
 }
 
@@ -1711,16 +1732,45 @@ void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item)
 	WriteByte (a_Item.m_ItemCount);
 	WriteShort(a_Item.m_ItemDamage);
 	
-	if (a_Item.m_Enchantments.IsEmpty())
+	if (a_Item.m_Enchantments.IsEmpty() && a_Item.IsBothNameAndLoreEmpty())
 	{
 		WriteShort(-1);
 		return;
 	}
 
-	// Send the enchantments:
+	// Send the enchantments and custom names:
 	cFastNBTWriter Writer;
+	if (!a_Item.m_Enchantments.IsEmpty())
+	{
 		const char * TagName = (a_Item.m_ItemType == E_ITEM_BOOK) ? "StoredEnchantments" : "ench";
 		a_Item.m_Enchantments.WriteToNBTCompound(Writer, TagName);
+	}
+	if (!a_Item.IsBothNameAndLoreEmpty())
+	{
+		Writer.BeginCompound("display");
+		if (!a_Item.IsCustomNameEmpty())
+		{
+			Writer.AddString("Name", a_Item.m_CustomName.c_str());
+		}
+		if (!a_Item.IsLoreEmpty())
+		{
+			Writer.BeginList("Lore", TAG_String);
+
+			AStringVector Decls = StringSplit(a_Item.m_Lore, "\n");
+			for (AStringVector::const_iterator itr = Decls.begin(), end = Decls.end(); itr != end; ++itr)
+			{
+				if (itr->empty())
+				{
+					// The decl is empty (two \ns), ignore
+					continue;
+				}
+				Writer.AddString("", itr->c_str());
+			}
+
+			Writer.EndList();
+		}
+		Writer.EndCompound();
+	}
 	Writer.Finish();
 	AString Compressed;
 	CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed);

src/UI/SlotArea.cpp

@@ -89,6 +89,9 @@ void cSlotArea::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_ClickA
 				Slot.m_ItemCount -= DraggingItem.m_ItemCount;
 				DraggingItem.m_ItemType = Slot.m_ItemType;
 				DraggingItem.m_ItemDamage = Slot.m_ItemDamage;
+				DraggingItem.m_Enchantments = Slot.m_Enchantments;
+				DraggingItem.m_CustomName = Slot.m_CustomName;
+				DraggingItem.m_Lore = Slot.m_Lore;
 
 				if (Slot.m_ItemCount <= 0)
 				{
@@ -105,6 +108,10 @@ void cSlotArea::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_ClickA
 					Slot.m_ItemCount++;
 					Slot.m_ItemDamage = DraggingItem.m_ItemDamage;
 					DraggingItem.m_ItemCount--;
+
+					Slot.m_Enchantments = DraggingItem.m_Enchantments;
+					Slot.m_CustomName = DraggingItem.m_CustomName;
+					Slot.m_Lore = DraggingItem.m_Lore;
 				}
 				if (DraggingItem.m_ItemCount <= 0)
 				{