Display chat messages in server log

lib/game_server.rb

@@ -5,6 +5,8 @@ require_relative 'models/server_info'
 require_relative 'models/server_settings'
 require_relative 'models/game_info'
 require_relative 'models/start_info'
+require_relative 'models/cl_say'
+require_relative 'models/chat_message'
 
 class GameServer
   attr_accessor :pred_game_tick, :ack_game_tick, :map
@@ -57,6 +59,13 @@ class GameServer
     @server.send_ready_to_enter(packet.client)
   end
 
+  def on_say(chunk, packet)
+    say = ClSay.new(chunk.data[1..])
+    author = packet.client.player
+    msg = ChatMesage.new(say.to_h.merge(client_id: author.id, author:))
+    puts msg.to_s
+  end
+
   def on_enter_game(_chunk, packet)
     # vanilla server responds to enter game with two packets
     # first:

lib/models/cl_say.rb

@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+require_relative '../packer'
+
+##
+# ClSay
+#
+# Client -> Server
+class ClSay
+  attr_accessor :mode, :target_id, :message
+
+  def initialize(hash_or_raw)
+    if hash_or_raw.instance_of?(Hash)
+      init_hash(hash_or_raw)
+    else
+      init_raw(hash_or_raw)
+    end
+  end
+
+  def init_raw(data)
+    u = Unpacker.new(data)
+    @mode = u.get_int
+    @target_id = u.get_int
+    @message = u.get_string
+  end
+
+  def init_hash(attr)
+    @mode = attr[:mode] || 0
+    @target_id = attr[:target_id] || 0
+    @message = attr[:message] || 0
+  end
+
+  def to_h
+    {
+      mode: @mode,
+      target_id: @target_id,
+      message: @message
+    }
+  end
+
+  # basically to_network
+  # int array the client sends to the server
+  def to_a
+    Packer.pack_int(@mode) +
+      Packer.pack_int(@target_id) +
+      Packer.pack_str(@message)
+  end
+
+  def to_s
+    to_h
+  end
+end

lib/models/template.rb

@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+require_relative '../packer'
+
+##
+# SamplePacket
+#
+# Client -> Server
+class SamplePacket
+  attr_accessor :foo, :bar
+
+  def initialize(hash_or_raw)
+    if hash_or_raw.instance_of?(Hash)
+      init_hash(hash_or_raw)
+    else
+      init_raw(hash_or_raw)
+    end
+  end
+
+  def init_raw(data)
+    u = Unpacker.new(data)
+    @foo = u.get_int
+    @bar = u.get_string
+  end
+
+  def init_hash(attr)
+    @foo = attr[:foo] || 0
+    @bar = attr[:bar] || 'sample'
+  end
+
+  def to_h
+    {
+      foo: @foo,
+      bar: @bar
+    }
+  end
+
+  # basically to_network
+  # int array the client sends to the server
+  def to_a
+    Packer.pack_int(@foo) +
+      Packer.pack_str(@bar)
+  end
+
+  def to_s
+    to_h
+  end
+end

lib/teeworlds_server.rb

@@ -104,6 +104,7 @@ class TeeworldsServer
     puts "got game chunk: #{chunk}"
     case chunk.msg
     when NETMSGTYPE_CL_STARTINFO then @game_server.on_start_info(chunk, packet)
+    when NETMSGTYPE_CL_SAY then @game_server.on_say(chunk, packet)
     else
       puts "Unsupported game msg: #{chunk.msg}"
       exit(1)
@@ -315,6 +316,10 @@ class TeeworldsServer
     end
   end
 
+  def get_player_by_id(id)
+    @clients[id]&.player
+  end
+
   def tick
     unless @clients.empty?
       now = Time.now