From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <blake.galbreath@gmail.com>
Date: Mon, 11 Jul 2022 20:44:19 -0500
Subject: [PATCH] Chat Preview API


diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index a5b09ab0171dd100f9bcf81869346b1d11814092..bea0eca314eef1adc3c9625b596f29f8b6f9856f 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -2628,12 +2628,29 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
             new com.google.common.util.concurrent.ThreadFactoryBuilder().setDaemon(true).setNameFormat("Async Chat Thread - #%d").setUncaughtExceptionHandler(new net.minecraft.DefaultUncaughtExceptionHandlerWithName(net.minecraft.server.MinecraftServer.LOGGER)).build()); // Paper
 
     public ChatDecorator getChatDecorator() {
-        return (entityplayer, ichatbasecomponent) -> {
+        // Purpur start
+        return this.chatDecorator;
+    }
+    public void setChatDecorator(ChatDecorator chatDecorator) {
+        this.chatDecorator = chatDecorator;
+    }
+    private ChatDecorator chatDecorator = (entityplayer, ichatbasecomponent) -> {
+        // Purpur end
             // Paper start - fix non-player sender
             if (entityplayer == null) {
                 return CompletableFuture.completedFuture(ichatbasecomponent);
             }
             // Paper end
+            // Purpur start
+            net.kyori.adventure.text.Component adventureComponent = io.papermc.paper.adventure.PaperAdventure.asAdventure(ichatbasecomponent);
+            org.purpurmc.purpur.event.player.PlayerPreviewChatEvent purpurPreviewEvent = new org.purpurmc.purpur.event.player.PlayerPreviewChatEvent(entityplayer.getBukkitEntity(), adventureComponent);
+            if (!purpurPreviewEvent.callEvent()) {
+                return CompletableFuture.completedFuture(null);
+            }
+            if (!adventureComponent.equals(purpurPreviewEvent.getQuery())) {
+                return CompletableFuture.completedFuture(io.papermc.paper.adventure.PaperAdventure.asVanilla(purpurPreviewEvent.getQuery()));
+            }
+            // Purpur end
             return CompletableFuture.supplyAsync(() -> {
                 AsyncPlayerChatPreviewEvent event = new AsyncPlayerChatPreviewEvent(true, entityplayer.getBukkitEntity(), CraftChatMessage.fromComponent(ichatbasecomponent), new LazyPlayerSet(this));
                 String originalFormat = event.getFormat(), originalMessage = event.getMessage();
@@ -2647,7 +2664,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
             }, chatExecutor);
         };
         // CraftBukkit end
-    }
+    //} // Purpur
 
     public static record ReloadableResources(CloseableResourceManager resourceManager, ReloadableServerResources managers) implements AutoCloseable {