From 47bb453178c3e9a13daa5efa0f50cebef662bc55 Mon Sep 17 00:00:00 2001
From: Kodi Craft <kodi@kdcf.me>
Date: Wed, 9 Oct 2024 12:19:50 +0200
Subject: [PATCH] "Implement" "chat"

---
 apps/amethyst/lib/states/play.ex      | 4 ++++
 apps/example_game/lib/example/game.ex | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/apps/amethyst/lib/states/play.ex b/apps/amethyst/lib/states/play.ex
index 297cc65..92447b3 100644
--- a/apps/amethyst/lib/states/play.ex
+++ b/apps/amethyst/lib/states/play.ex
@@ -135,6 +135,10 @@ defmodule Amethyst.ConnectionState.Play do
   Macros.defpacket_clientbound :set_center_chunk, 0x54, 767, [
     chunk_x: :varint, chunk_z: :varint
   ]
+  Macros.defpacket_clientbound :system_chat_message, 0x6C, 767, [
+    content: :nbt,
+    overlay: :bool
+  ]
 
   Macros.defpacket_clientbound :game_event, 0x22, 767, [
     event: :ubyte, value: :float
diff --git a/apps/example_game/lib/example/game.ex b/apps/example_game/lib/example/game.ex
index b71f404..e179b2a 100644
--- a/apps/example_game/lib/example/game.ex
+++ b/apps/example_game/lib/example/game.ex
@@ -5,6 +5,8 @@ defmodule Example.Game do
   @moduledoc """
   Example game used for testing Amethyst.
   """
+require Amethyst.NBT.Write
+alias Amethyst.NBT
 
   @impl true
   def instantiate(supervisor) do
@@ -42,6 +44,11 @@ defmodule Example.Game do
   @impl true
   def chat(from, message, _state_refs) do
     Logger.info("Player at #{inspect(from)} said: #{inspect(message)}")
+    send(from, {:send_packet, %{
+      packet_type: :system_chat_message,
+      content: NBT.Write.compound(%{"text" => NBT.Write.string("You said: #{message}")}),
+      overlay: false
+    }})
     :ok
   end