From 0e8310948bb3a165ceb6ae12937bce8462b4b742 Mon Sep 17 00:00:00 2001
From: ChillerDragon <chillerdragon@gmail.com>
Date: Thu, 24 Nov 2022 10:39:30 +0100
Subject: [PATCH] Read password from autoexec.cfg

---
 .gitignore              |  1 +
 lib/config.rb           | 44 +++++++++++++++++++++++++++++++++++++++++
 lib/teeworlds_client.rb |  4 +++-
 3 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 lib/config.rb

diff --git a/.gitignore b/.gitignore
index 0256355..046bcff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 Gemfile.lock
+*.cfg
 scripts/tmp
 integration_test/*.txt
 integration_test/*.log
diff --git a/lib/config.rb b/lib/config.rb
new file mode 100644
index 0000000..41527d1
--- /dev/null
+++ b/lib/config.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+class Config
+  def initialize(options = {})
+    filepath = options[:file] || 'autoexec.cfg'
+    init_configs
+    load_cfg(filepath)
+  end
+
+  def init_configs
+    @configs = {
+      password: { help: 'Password to the server', default: '' }
+    }
+    @commands = {
+      echo: { help: 'Echo the text', callback: proc { |arg| puts arg } },
+      quit: { help: 'Quit', callback: proc { |_| exit } }
+    }
+    @configs.each do |cfg, data|
+      self.class.send(:attr_accessor, cfg)
+      instance_variable_set("@#{cfg}", data[:default])
+    end
+  end
+
+  def load_cfg(file)
+    return unless File.exist?(file)
+
+    File.readlines(file).each_with_index do |line, line_num|
+      line.strip!
+      next if line.start_with? '#'
+      next if line.empty?
+
+      words = line.split
+      cmd = words.shift.to_sym
+      arg = words.join(' ')
+      if @configs[cmd]
+        instance_variable_set("@#{cmd}", arg)
+      elsif @commands[cmd]
+        @commands[cmd][:callback].call(arg)
+      else
+        puts "Warning: unsupported config '#{cmd}' #{file}:#{line_num}"
+      end
+    end
+  end
+end
diff --git a/lib/teeworlds_client.rb b/lib/teeworlds_client.rb
index ecddc04..c0c901d 100644
--- a/lib/teeworlds_client.rb
+++ b/lib/teeworlds_client.rb
@@ -13,6 +13,7 @@ require_relative 'net_base'
 require_relative 'packer'
 require_relative 'models/player'
 require_relative 'game_client'
+require_relative 'config'
 
 class TeeworldsClient
   attr_reader :state, :hooks, :game_client
@@ -24,6 +25,7 @@ class TeeworldsClient
     @ip = 'localhost'
     @port = 8303
     @local_client_id = 0
+    @config = Config.new(file: options[:config])
     @hooks = {
       chat: [],
       map_change: [],
@@ -227,7 +229,7 @@ class TeeworldsClient
   def send_info
     data = []
     data += Packer.pack_str(GAME_NETVERSION)
-    data += Packer.pack_str('password')
+    data += Packer.pack_str(@config.password)
     data += Packer.pack_int(CLIENT_VERSION)
     msg = NetChunk.create_header(vital: true, size: data.size + 1) +
           [pack_msg_id(NETMSG_INFO, system: true)] +