Purpur/patches/server/0096-Convert-legacy-item-text.patch

From 8a6ecc99e34b55613d6cfdd89d93dcf4c8ecaaa6 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Mon, 29 Jun 2020 08:56:53 -0500
Subject: [PATCH] Convert legacy item text

---
 .../java/net/minecraft/server/ItemStack.java  | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/src/main/java/net/minecraft/server/ItemStack.java b/src/main/java/net/minecraft/server/ItemStack.java
index 54421c56c1..54dc3e0600 100644
--- a/src/main/java/net/minecraft/server/ItemStack.java
+++ b/src/main/java/net/minecraft/server/ItemStack.java
@@ -127,6 +127,7 @@ public final class ItemStack {
         if (nbttagcompound.hasKeyOfType("tag", 10)) {
             // CraftBukkit start - make defensive copy as this data may be coming from the save thread
             this.tag = (NBTTagCompound) nbttagcompound.getCompound("tag").clone();
+            processText(); // Purpur
             processEnchantOrder(this.tag); // Paper
             this.getItem().b(this.tag);
             // CraftBukkit end
@@ -138,6 +139,44 @@ public final class ItemStack {
 
     }
 
+    // Purpur start
+    public void processText() {
+        NBTTagCompound display = getSubTag("display");
+        if (display != null) {
+            if (display.hasKeyOfType("Name", 8)) {
+                try {
+                    display.set("Name", convert(display.getString("Name")));
+                } catch (JsonParseException jsonparseexception) {
+                    display.remove("Name");
+                }
+            }
+            if (display.hasKeyOfType("Lore", 9)) {
+                NBTTagList lore = new NBTTagList();
+                NBTTagList list = display.getList("Lore", 8);
+                for (int index = 0; index < list.size(); index++) {
+                    try {
+                        lore.add(convert(list.getString(index)));
+                    } catch (JsonParseException ignore) {
+                    }
+                }
+                display.set("Lore", lore);
+            }
+        }
+    }
+
+    private NBTTagString convert(String str) {
+        IChatBaseComponent component = IChatBaseComponent.ChatSerializer.jsonToComponent(str);
+        if (component != null) {
+            String txt = component.getText();
+            if (txt != null && txt.contains("\u00A7")) {
+                // found legacy text, converting into proper component
+                component = org.bukkit.craftbukkit.util.CraftChatMessage.fromString(txt)[0];
+            }
+        }
+        return NBTTagString.create(org.bukkit.craftbukkit.util.CraftChatMessage.toJSON(component));
+    }
+    // Purpur end
+
     private ItemStack(NBTTagCompound nbttagcompound) {
         this.load(nbttagcompound);
         // CraftBukkit end
@@ -632,6 +671,7 @@ public final class ItemStack {
         }
     }
 
+    @Nullable public NBTTagCompound getSubTag(String s) { return b(s); } // Purpur - OBFHELPER
     @Nullable
     public NBTTagCompound b(String s) {
         return this.tag != null && this.tag.hasKeyOfType(s, 10) ? this.tag.getCompound(s) : null;
-- 
2.26.2