From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Thu, 6 Jun 2019 17:40:30 -0500
Subject: [PATCH] Signs allow color codes


diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 68008facb6cfcccbcb7501c84c5da9014321ce4a..4d28a1f9fe43bb8e9f5ffaf06895c94fa0749d5d 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -1515,6 +1515,7 @@ public class ServerPlayer extends Player {
 
     @Override
     public void openTextEdit(SignBlockEntity sign) {
+        if (level.purpurConfig.signAllowColors) this.connection.send(sign.getTranslatedUpdatePacket(textFilteringEnabled)); // Purpur
         sign.setAllowedPlayerEditor(this.getUUID());
         this.connection.send(new ClientboundBlockUpdatePacket(this.level, sign.getBlockPos()));
         this.connection.send(new ClientboundOpenSignEditorPacket(sign.getBlockPos()));
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index a9a994cb3c881f9c2ffe2f80d5179f7f8863acb8..5390b04e4e20b00e53875325c59f2182ed7163b2 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -3654,11 +3654,17 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
             for (int i = 0; i < signText.size(); ++i) {
                 FilteredText filteredtext = (FilteredText) signText.get(i);
 
-                if (this.player.isTextFilteringEnabled()) {
-                    lines.add(net.kyori.adventure.text.Component.text(SharedConstants.filterText(filteredtext.filteredOrEmpty()))); // Paper - adventure
+                // Purpur start
+                String line = SharedConstants.filterText(this.player.isTextFilteringEnabled() ? filteredtext.filteredOrEmpty() : filteredtext.raw());
+                if (worldserver.purpurConfig.signAllowColors) {
+                    if (player.hasPermission("purpur.sign.color")) line = line.replaceAll("(?i)&([0-9a-fr])", "\u00a7$1");
+                    if (player.hasPermission("purpur.sign.style")) line = line.replaceAll("(?i)&([l-or])", "\u00a7$1");
+                    if (player.hasPermission("purpur.sign.magic")) line = line.replaceAll("(?i)&([kr])", "\u00a7$1");
+                    lines.add(net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer.legacySection().deserialize(line));
                 } else {
-                    lines.add(net.kyori.adventure.text.Component.text(SharedConstants.filterText(filteredtext.raw()))); // Paper - adventure
+                    lines.add(net.kyori.adventure.text.Component.text(line));
                 }
+                // Purpur end
             }
             SignChangeEvent event = new SignChangeEvent((org.bukkit.craftbukkit.block.CraftBlock) player.getWorld().getBlockAt(x, y, z), this.player.getBukkitEntity(), lines);
             this.cserver.getPluginManager().callEvent(event);
diff --git a/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
index def4fdd2c7e4f925fa128692a744e5d10ae0203a..73382580cc23cbc868a6003e74826a5557c8afc5 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
@@ -184,6 +184,23 @@ public class SignBlockEntity extends BlockEntity implements CommandSource { // C
         return ClientboundBlockEntityDataPacket.create(this);
     }
 
+    // Purpur start
+    public ClientboundBlockEntityDataPacket getTranslatedUpdatePacket(boolean filtered) {
+        final CompoundTag nbt = new CompoundTag();
+        this.saveAdditional(nbt);
+        final Component[] lines = getMessages(filtered);
+        for (int i = 0; i < 4; i++) {
+            final var component = io.papermc.paper.adventure.PaperAdventure.asAdventure(lines[i]);
+            final String line = net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer.legacyAmpersand().serialize(component);
+            final var text = net.kyori.adventure.text.Component.text(line);
+            final String json = net.kyori.adventure.text.serializer.gson.GsonComponentSerializer.gson().serialize(text);
+            nbt.putString("Text" + (i + 1), json);
+        }
+        nbt.putString("PurpurEditor", "true");
+        return ClientboundBlockEntityDataPacket.create(this, entity -> nbt);
+    }
+    // Purpur end
+
     @Override
     public CompoundTag getUpdateTag() {
         return this.saveWithoutMetadata();
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index a20317cddd421c29fa3c713024466e4b07fa9e23..566fe203c4b788c316b8c893621579c4dae65f5b 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -933,8 +933,10 @@ public class PurpurWorldConfig {
     }
 
     public boolean signRightClickEdit = false;
+    public boolean signAllowColors = false;
     private void signSettings() {
         signRightClickEdit = getBoolean("blocks.sign.right-click-edit", signRightClickEdit);
+        signAllowColors = getBoolean("blocks.sign.allow-colors", signAllowColors);
     }
 
     public boolean slabHalfBreak = false;