Purpur/patches/server/0220-Signs-allow-color-codes.patch

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 0ba6ecf578e731a9705a384944aed482f829b58d..c0c9265e8acda3cbf0b4f2c3dca3838265a312d3 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -1589,6 +1589,7 @@ public class ServerPlayer extends Player {
 
     @Override
     public void openTextEdit(SignBlockEntity sign, boolean front) {
+        if (level().purpurConfig.signAllowColors) this.connection.send(sign.getTranslatedUpdatePacket(textFilteringEnabled, front)); // Purpur
         this.connection.send(new ClientboundBlockUpdatePacket(this.level(), sign.getBlockPos()));
         this.connection.send(new ClientboundOpenSignEditorPacket(sign.getBlockPos(), front));
     }
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 927c7ea03560be0c86884cec70ee8e408e66cb07..93764bf849ad8e427bf119f6ff3dbcbcc4c2415e 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
@@ -200,16 +200,31 @@ public class SignBlockEntity extends BlockEntity implements CommandSource { // C
         return this.setText((SignText) textChanger.apply(signtext), front);
     }
 
+    // Purpur start
+    private Component translateColors(org.bukkit.entity.Player player, String line, Style style) {
+        if (level.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");
+
+            return io.papermc.paper.adventure.PaperAdventure.asVanilla(net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer.legacySection().deserialize(line));
+        } else {
+            return Component.literal(line).setStyle(style);
+        }
+    }
+    // Purpur end
+
     private SignText setMessages(net.minecraft.world.entity.player.Player entityhuman, List<FilteredText> list, SignText signtext, boolean front) { // CraftBukkit
         SignText originalText = signtext; // CraftBukkit
         for (int i = 0; i < list.size(); ++i) {
             FilteredText filteredtext = (FilteredText) list.get(i);
             Style chatmodifier = signtext.getMessage(i, entityhuman.isTextFilteringEnabled()).getStyle();
 
+            org.bukkit.entity.Player player =  (org.bukkit.craftbukkit.entity.CraftPlayer) entityhuman.getBukkitEntity(); // Purpur
             if (entityhuman.isTextFilteringEnabled()) {
-                signtext = signtext.setMessage(i, Component.literal(net.minecraft.SharedConstants.filterText(filteredtext.filteredOrEmpty())).setStyle(chatmodifier)); // Paper - filter sign text to chat only
+                signtext = signtext.setMessage(i, translateColors(player, net.minecraft.SharedConstants.filterText(filteredtext.filteredOrEmpty()), chatmodifier)); // Paper - filter sign text to chat only // Purpur
             } else {
-                signtext = signtext.setMessage(i, Component.literal(net.minecraft.SharedConstants.filterText(filteredtext.raw())).setStyle(chatmodifier), Component.literal(net.minecraft.SharedConstants.filterText(filteredtext.filteredOrEmpty())).setStyle(chatmodifier)); // Paper - filter sign text to chat only
+                signtext = signtext.setMessage(i, translateColors(player, net.minecraft.SharedConstants.filterText(filteredtext.raw()), chatmodifier), translateColors(player, net.minecraft.SharedConstants.filterText(filteredtext.filteredOrEmpty()), chatmodifier)); // Paper - filter sign text to chat only // Purpur
             }
         }
 
@@ -349,6 +364,28 @@ public class SignBlockEntity extends BlockEntity implements CommandSource { // C
         return ClientboundBlockEntityDataPacket.create(this);
     }
 
+    // Purpur start
+    public ClientboundBlockEntityDataPacket getTranslatedUpdatePacket(boolean filtered, boolean front) {
+        final CompoundTag nbt = new CompoundTag();
+        this.saveAdditional(nbt);
+        final Component[] lines = front ? frontText.getMessages(filtered) : backText.getMessages(filtered);
+        final String side = front ? "front_text" : "back_text";
+        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);
+            if (!nbt.contains(side)) nbt.put(side, new CompoundTag());
+            final CompoundTag sideNbt = nbt.getCompound(side);
+            if (!sideNbt.contains("messages")) sideNbt.put("messages", new net.minecraft.nbt.ListTag());
+            final net.minecraft.nbt.ListTag messagesNbt = sideNbt.getList("messages", Tag.TAG_STRING);
+            messagesNbt.set(i, net.minecraft.nbt.StringTag.valueOf(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 b4d5ae4025d315cfe0e19fa1b077d1c5956523ba..d807da2719c5677c200e5f017e4cf5a1c7fa0ce9 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -1032,6 +1032,11 @@ public class PurpurWorldConfig {
         }
     }
 
+    public boolean signAllowColors = false;
+    private void signSettings() {
+        signAllowColors = getBoolean("blocks.sign.allow-colors", signAllowColors);
+    }
+
     public boolean slabHalfBreak = false;
     private void slabSettings() {
         slabHalfBreak = getBoolean("blocks.slab.break-individual-slabs-when-sneaking", slabHalfBreak);