Bump version

.github/FUNDING.yml

@@ -0,0 +1,15 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: cyberarm
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
+polar: # Replace with a single Polar username
+buy_me_a_coffee: # Replace with a single Buy Me a Coffee username
+thanks_dev: # Replace with a single thanks.dev username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/workflows/build-tebako.yml

@@ -2,7 +2,7 @@ name: Build Launcher Binary
 
 on:
   push:
-    branches: [ master, test ]
+    branches: [master]
   workflow_dispatch:
 
 jobs:

Gemfile

@@ -1,16 +1,15 @@
 source "https://rubygems.org"
 
 gem "base64"
-gem "excon"
+gem "async-http"
+gem "async-websocket"
 gem "cyberarm_engine"
 gem "sdl2-bindings"
 gem "libui", platforms: [:windows]
 gem "digest-crc"
-gem "i18n"
 gem "ircparser"
 gem "rexml"
 gem "rubyzip"
-gem "websocket-client-simple"
 gem "win32-process", platforms: [:windows]
 gem "win32-security", platforms: [:windows]
 
@@ -19,9 +18,9 @@ gem "win32-security", platforms: [:windows]
 # use `bundle _x.y.z_ COMMAND` to use this one...
 # NOTE: Releasy needs to be installed as a system gem i.e. `rake install`
 # NOTE: contents of the `gemhome` folder in the packaged folder need to be moved into the lib/ruby/gems\<RUBY_VERSION> folder
-#  group :windows_packaging do
-#    gem "bundler", "~>2.4.3"
-#    gem "rake"
-#    gem "ocran"
-#    gem "releasy"#, path: "../releasy"
-#  end
+ # group :windows_packaging do
+ #   gem "bundler", "~>2.4.3"
+ #   gem "rake"
+ #   gem "ocran"
+ #   gem "releasy"#, path: "../releasy"
+ # end

Gemfile.lock

@@ -1,39 +1,77 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    async (2.35.2)
+      console (~> 1.29)
+      fiber-annotation
+      io-event (~> 1.11)
+      metrics (~> 0.12)
+      traces (~> 0.18)
+    async-http (0.94.0)
+      async (>= 2.10.2)
+      async-pool (~> 0.11)
+      io-endpoint (~> 0.14)
+      io-stream (~> 0.6)
+      metrics (~> 0.12)
+      protocol-http (~> 0.58)
+      protocol-http1 (~> 0.36)
+      protocol-http2 (~> 0.22)
+      protocol-url (~> 0.2)
+      traces (~> 0.10)
+    async-pool (0.11.1)
+      async (>= 2.0)
+    async-websocket (0.30.0)
+      async-http (~> 0.76)
+      protocol-http (~> 0.34)
+      protocol-rack (~> 0.7)
+      protocol-websocket (~> 0.17)
     base64 (0.3.0)
-    concurrent-ruby (1.3.5)
-    cyberarm_engine (0.24.5)
+    console (1.34.2)
+      fiber-annotation
+      fiber-local (~> 1.1)
+      json
+    cyberarm_engine (0.25.0)
       gosu (~> 1.1)
     digest-crc (0.7.0)
       rake (>= 12.0.0, < 14.0.0)
-    event_emitter (0.2.6)
-    excon (1.3.0)
-      logger
-    ffi (1.17.2-x64-mingw-ucrt)
-    ffi (1.17.2-x86_64-linux-gnu)
-    ffi-win32-extensions (1.0.4)
-      ffi
+    ffi (1.17.0)
+    ffi-win32-extensions (1.1.0)
+      ffi (>= 1.15.5, <= 1.17.0)
+    fiber-annotation (0.2.0)
+    fiber-local (1.1.0)
+      fiber-storage
+    fiber-storage (1.0.1)
     fiddle (1.1.8)
     gosu (1.4.6)
-    i18n (1.14.7)
-      concurrent-ruby (~> 1.0)
+    io-endpoint (0.16.0)
+    io-event (1.14.2)
+    io-stream (0.11.1)
     ircparser (1.0.0)
+    json (2.18.0)
     libui (0.2.0-x64-mingw-ucrt)
       fiddle
-    logger (1.7.0)
-    mutex_m (0.3.0)
-    rake (13.3.0)
+    metrics (0.15.0)
+    protocol-hpack (1.5.1)
+    protocol-http (0.58.0)
+    protocol-http1 (0.36.0)
+      protocol-http (~> 0.58)
+    protocol-http2 (0.24.0)
+      protocol-hpack (~> 1.4)
+      protocol-http (~> 0.47)
+    protocol-rack (0.21.0)
+      io-stream (>= 0.10)
+      protocol-http (~> 0.58)
+      rack (>= 1.0)
+    protocol-url (0.4.0)
+    protocol-websocket (0.20.2)
+      protocol-http (~> 0.2)
+    rack (3.2.4)
+    rake (13.3.1)
     rexml (3.4.4)
-    rubyzip (3.1.1)
+    rubyzip (3.2.2)
     sdl2-bindings (0.2.3)
       ffi (~> 1.15)
-    websocket (1.2.11)
-    websocket-client-simple (0.9.0)
-      base64
-      event_emitter
-      mutex_m
-      websocket
+    traces (0.18.2)
     win32-process (0.10.0)
       ffi (>= 1.0.0)
     win32-security (0.5.0)
@@ -45,17 +83,16 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  async-http
+  async-websocket
   base64
   cyberarm_engine
   digest-crc
-  excon
-  i18n
   ircparser
   libui
   rexml
   rubyzip
   sdl2-bindings
-  websocket-client-simple
   win32-process
   win32-security
 

README.md

@@ -1,14 +1,21 @@
+![screenshot](https://raw.githubusercontent.com/cyberarm/w3d_hub_linux_launcher/development/screenshots/screenshot-games.webp)
+
 # Cyberarm's Linux Friendly W3D Hub Launcher
 It runs natively on Linux! No mucking about trying to get .NET 4.6.1 or something installed in wine.
 Only requires OpenGL, Ruby, and a few gems.
 
-## Installing
-* Install Ruby 3.0+, from your package manager.
+## Download
+[Download pre-built binaries.](https://github.com/cyberarm/w3d_hub_linux_launcher/releases)
+
+## Development
+
+### Installing
+* Install Ruby 3.4+, from your package manager.
 * Install Gosu's [dependencies](https://github.com/gosu/gosu/wiki/Getting-Started-on-Linux).
 * Install required gems: `bundle install`
 
-## Usage
+### Usage
 `ruby w3d_hub_linux_launcher.rb`
 
-## Contributing
-Contributors welcome, especially if anyone can lend a hand at reducing patching memory usage.
+### Contributing
+Contributors welcome.

lib/api.rb

@@ -1,44 +1,41 @@
 class W3DHub
   class Api
 
-    # Set Excon default CA file if found
-    if (ca_file = W3DHub.ca_bundle_path)
-      Excon.defaults[:ssl_ca_file] = ca_file
-    end
-
     LOG_TAG = "W3DHub::Api".freeze
 
     API_TIMEOUT = 30 # seconds
     USER_AGENT = "Cyberarm's Linux Friendly W3D Hub Launcher v#{W3DHub::VERSION}".freeze
-    DEFAULT_HEADERS = {
-      "User-Agent": USER_AGENT,
-      "Accept": "application/json"
-    }.freeze
-    FORM_ENCODED_HEADERS = {
-      "User-Agent": USER_AGENT,
-      "Accept": "application/json",
-      "Content-Type": "application/x-www-form-urlencoded"
-    }.freeze
+    DEFAULT_HEADERS = [
+      ["user-agent", USER_AGENT],
+      ["accept", "application/json"]
+    ].freeze
+    FORM_ENCODED_HEADERS = [
+      ["user-agent", USER_AGENT],
+      ["accept", "application/json"],
+      ["content-type", "application/x-www-form-urlencoded"]
+    ].freeze
 
     def self.on_thread(method, *args, &callback)
       BackgroundWorker.foreground_job(-> { Api.send(method, *args) }, callback)
     end
 
-    class DummyResponse
-      def initialize(error)
+    class Response
+      def initialize(error: nil, status: -1, body: "")
+        @status = status
+        @body = body
         @error = error
       end
 
       def success?
-        false
+        @status == 200
       end
 
       def status
-        -1
+        @status
       end
 
       def body
-        ""
+        @body
       end
 
       def error
@@ -48,103 +45,85 @@ class W3DHub
 
     #! === W3D Hub API === !#
     W3DHUB_API_ENDPOINT = "https://secure.w3dhub.com".freeze # "https://example.com" # "http://127.0.0.1:9292".freeze #
-    W3DHUB_API_CONNECTION = Excon.new(W3DHUB_API_ENDPOINT, persistent: true)
-
     ALT_W3DHUB_API_ENDPOINT = "https://w3dhub-api.w3d.cyberarm.dev".freeze # "https://secure.w3dhub.com".freeze # "https://example.com" # "http://127.0.0.1:9292".freeze #
-    ALT_W3DHUB_API_API_CONNECTION = Excon.new(ALT_W3DHUB_API_ENDPOINT, persistent: true)
 
-    def self.excon(method, url, headers = DEFAULT_HEADERS, body = nil, backend = :w3dhub)
+    HTTP_CLIENTS = {}
+
+    def self.async_http(method, path, headers = DEFAULT_HEADERS, body = nil, backend = :w3dhub)
       case backend
       when :w3dhub
-        connection = W3DHUB_API_CONNECTION
         endpoint   = W3DHUB_API_ENDPOINT
       when :alt_w3dhub
-        connection = ALT_W3DHUB_API_API_CONNECTION
         endpoint   = ALT_W3DHUB_API_ENDPOINT
       when :gsh
-        connection = GSH_CONNECTION
         endpoint   = SERVER_LIST_ENDPOINT
       end
 
-      logger.debug(LOG_TAG) { "Fetching #{method.to_s.upcase} \"#{endpoint}#{url}\"..." }
+      # Handle arbitrary urls that may come through
+      url = nil
+      if path.start_with?("http")
+        uri = URI(path)
+        endpoint = uri.origin
+        path = uri.request_uri
+      else
+        url = "#{endpoint}#{path}"
+      end
+
+      logger.debug(LOG_TAG) { "Fetching #{method.to_s.upcase} \"#{url}\"..." }
 
       # Inject Authorization header if account data is populated
       if Store.account
         logger.debug(LOG_TAG) { "  Injecting Authorization header..." }
         headers = headers.dup
-        headers["Authorization"] = "Bearer #{Store.account.access_token}"
+        headers << ["authorization", "Bearer #{Store.account.access_token}"]
       end
 
-      begin
-        connection.send(
-          method,
-          path: url.sub(endpoint, ""),
-          headers: headers,
-          body: body,
-          nonblock: true,
-          tcp_nodelay: true,
-          write_timeout: API_TIMEOUT,
-          read_timeout: API_TIMEOUT,
-          connect_timeout: API_TIMEOUT,
-          idempotent: true,
-          retry_limit: 3,
-          retry_interval: 1,
-          retry_errors: [Excon::Error::Socket, Excon::Error::HTTPStatus] # Don't retry on timeout
-        )
-      rescue Excon::Error::Timeout => e
-        logger.error(LOG_TAG) { "Connection to \"#{url}\" timed out after: #{API_TIMEOUT} seconds" }
+      Sync do
+        begin
+          response = provision_http_client(endpoint).send(method, path, headers, body)
 
-        DummyResponse.new(e)
-      rescue Excon::Error => e
-        logger.error(LOG_TAG) { "Connection to \"#{url}\" errored:" }
-        logger.error(LOG_TAG) { e }
+          Response.new(status: response.status, body: response.read)
+        rescue Async::TimeoutError => e
+          logger.error(LOG_TAG) { "Connection to \"#{url}\" timed out after: #{API_TIMEOUT} seconds" }
 
-        DummyResponse.new(e)
+          Response.new(error: e)
+        rescue StandardError => e
+          logger.error(LOG_TAG) { "Connection to \"#{url}\" errored:" }
+          logger.error(LOG_TAG) { e }
+
+          Response.new(error: e)
+        ensure
+          response&.close
+        end
       end
     end
 
-    def self.post(url, headers = DEFAULT_HEADERS, body = nil, backend = :w3dhub)
-      excon(:post, url, headers, body, backend)
+    def self.provision_http_client(hostname)
+      # Pin http clients to their host Thread so the fiber scheduler doesn't get upset and raise an error
+      HTTP_CLIENTS[Thread.current] ||= {}
+      return HTTP_CLIENTS[Thread.current][hostname.downcase] if HTTP_CLIENTS[Thread.current][hostname.downcase]
+
+      ssl_context = W3DHub.ca_bundle_path ? OpenSSL::SSL::SSLContext.new : nil
+      ssl_context&.set_params(
+        ca_file: W3DHub.ca_bundle_path,
+        verify_mode: OpenSSL::SSL::VERIFY_PEER
+      )
+
+      endpoint = Async::HTTP::Endpoint.parse(hostname, ssl_context: ssl_context)
+      HTTP_CLIENTS[Thread.current][hostname.downcase] = Async::HTTP::Client.new(endpoint)
     end
 
-    def self.get(url, headers = DEFAULT_HEADERS, body = nil, backend = :w3dhub)
-      excon(:get, url, headers, body, backend)
+    def self.post(path, headers = DEFAULT_HEADERS, body = nil, backend = :w3dhub)
+      async_http(:post, path, headers, body, backend)
+    end
+
+    def self.get(path, headers = DEFAULT_HEADERS, body = nil, backend = :w3dhub)
+      async_http(:get, path, headers, body, backend)
     end
 
     # Api.get but handles any URL instead of known hosts
-    def self.fetch(url, headers = DEFAULT_HEADERS, body = nil, backend = nil)
-      uri = URI(url)
-
-      # Use Api.get for `W3DHUB_API_ENDPOINT` URL's to exploit keep alive and connection reuse (faster responses)
-      return excon(:get, url, headers, body, backend) if "#{uri.scheme}://#{uri.host}" == W3DHUB_API_ENDPOINT
-
-      logger.debug(LOG_TAG) { "Fetching GET \"#{url}\"..." }
-
-      begin
-        Excon.get(
-          url,
-          headers: headers,
-          body: body,
-          nonblock: true,
-          tcp_nodelay: true,
-          write_timeout: API_TIMEOUT,
-          read_timeout: API_TIMEOUT,
-          connect_timeout: API_TIMEOUT,
-          idempotent: true,
-          retry_limit: 3,
-          retry_interval: 1,
-          retry_errors: [Excon::Error::Socket, Excon::Error::HTTPStatus] # Don't retry on timeout
-        )
-      rescue Excon::Error::Timeout => e
-        logger.error(LOG_TAG) { "Connection to \"#{url}\" timed out after: #{API_TIMEOUT} seconds" }
-
-        DummyResponse.new(e)
-      rescue Excon::Error => e
-        logger.error(LOG_TAG) { "Connection to \"#{url}\" errored:" }
-        logger.error(LOG_TAG) { e }
-
-        DummyResponse.new(e)
-      end
+    def self.fetch(path, headers = DEFAULT_HEADERS, body = nil, backend = nil)
+      async_http(:get, path, headers, body, backend)
     end
 
     # Method: POST
@@ -163,7 +142,7 @@ class W3DHub
     # On a failed login the service responds with:
     # {"error":"login-failed"}
     def self.refresh_user_login(refresh_token, backend = :w3dhub)
-      body = "data=#{JSON.dump({refreshToken: refresh_token})}"
+      body = URI.encode_www_form("data": JSON.dump({refreshToken: refresh_token}))
       response = post("/apis/launcher/1/user-login", FORM_ENCODED_HEADERS, body, backend)
 
       if response.status == 200
@@ -183,7 +162,7 @@ class W3DHub
 
     # See #user_refresh_token
     def self.user_login(username, password, backend = :w3dhub)
-      body = "data=#{JSON.dump({username: username, password: password})}"
+      body = URI.encode_www_form("data": JSON.dump({username: username, password: password}))
       response = post("/apis/launcher/1/user-login", FORM_ENCODED_HEADERS, body, backend)
 
       if response.status == 200
@@ -205,7 +184,7 @@ class W3DHub
     #
     # Response: avatar-uri (Image download uri), id, username
     def self.user_details(id, backend = :w3dhub)
-      body = "data=#{JSON.dump({ id: id })}"
+      body = URI.encode_www_form("data": JSON.dump({ id: id }))
       user_details = post("/apis/w3dhub/1/get-user-details", FORM_ENCODED_HEADERS, body, backend)
 
       if user_details.status == 200
@@ -322,7 +301,7 @@ class W3DHub
     # Client requests news for a specific application/game e.g.: data={"category":"ia"} ("launcher-home" retrieves the weekly hub updates)
     # Response is a JSON hash with a "highlighted" and "news" keys; the "news" one seems to be the desired one
     def self.news(category, backend = :w3dhub)
-      body = "data=#{JSON.dump({category: category})}"
+      body = URI.encode_www_form("data": JSON.dump({category: category}))
       response = post("/apis/w3dhub/1/get-news", FORM_ENCODED_HEADERS, body, backend)
 
       if response.status == 200
@@ -383,7 +362,6 @@ class W3DHub
     # SERVER_LIST_ENDPOINT = "https://gsh.w3dhub.com".freeze
     SERVER_LIST_ENDPOINT = "https://gsh.w3d.cyberarm.dev".freeze
     # SERVER_LIST_ENDPOINT = "http://127.0.0.1:9292".freeze
-    GSH_CONNECTION = Excon.new(SERVER_LIST_ENDPOINT, persistent: true)
 
     # Method: GET
     # FORMAT: JSON

lib/api/server_list_server.rb

@@ -2,8 +2,9 @@ class W3DHub
   class Api
     class ServerListServer
       NO_OR_BAD_PING = 1_000_000
+      NO_OR_DEFAULT_VERSION = "838"
 
-      attr_reader :id, :game, :address, :port, :region, :channel, :ping, :status
+      attr_reader :id, :game, :address, :port, :region, :channel, :version, :ping, :status
 
       def initialize(hash)
         @data = hash
@@ -14,6 +15,7 @@ class W3DHub
         @port    = @data[:port]
         @region  = @data[:region]
         @channel = @data[:channel] || "release"
+        @version = @data[:version] || NO_OR_DEFAULT_VERSION
         @ping    = NO_OR_BAD_PING
 
         @status  = Status.new(@data[:status])

lib/api/server_list_updater.rb

@@ -2,6 +2,9 @@ class W3DHub
   class Api
     class ServerListUpdater
       LOG_TAG = "W3DHub::Api::ServerListUpdater".freeze
+
+      TYPE_PING = 6
+
       include CyberarmEngine::Common
       @@instance = nil
 
@@ -15,6 +18,7 @@ class W3DHub
 
       def initialize
         @auto_reconnect = false
+        @reconnection_delay = 1
 
         @invocation_id = 0
 
@@ -24,19 +28,21 @@ class W3DHub
 
       def run
         Thread.new do
-          begin
-            connect
+          Sync do |task|
+            begin
+              @auto_reconnect = true
 
-            while W3DHub::BackgroundWorker.alive?
-              connect if @auto_reconnect
-              sleep 1
+              while W3DHub::BackgroundWorker.alive?
+                connect if @auto_reconnect
+                sleep @reconnection_delay
+              end
+            rescue => e
+              puts e
+              puts e.backtrace
+
+              sleep 30
+              retry
             end
-          rescue => e
-            puts e
-            puts e.backtrace
-
-            sleep 30
-            retry
           end
         end
 
@@ -52,9 +58,13 @@ class W3DHub
 
         if response.status != 200
           @auto_reconnect = true
+          @reconnection_delay = @reconnection_delay * 2
+          @reconnection_delay = 60 if @reconnection_delay > 60
           return
         end
 
+        @reconnection_delay = 1
+
         data = JSON.parse(response.body, symbolize_names: true)
 
         @invocation_id = 0 if @invocation_id > 9095
@@ -63,7 +73,7 @@ class W3DHub
 
         logger.debug(LOG_TAG) { "Connecting to websocket..." }
         this = self
-        @ws = WebSocket::Client::Simple.connect(endpoint, headers: Api::DEFAULT_HEADERS) do |ws|
+        @ws = WebSocketClient.new.connect(endpoint, headers: Api::DEFAULT_HEADERS) do |ws|
           ws.on(:open) do
             logger.debug(LOG_TAG) { "Requesting json protocol, v1..." }
             ws.send({ protocol: "json", version: 1 }.to_json + "\x1e")
@@ -78,65 +88,71 @@ class W3DHub
           end
 
           ws.on(:message) do |msg|
-            msg = msg.data.split("\x1e").first
+            msg = msg.to_str.split("\x1e").first
 
             hash = JSON.parse(msg, symbolize_names: true)
 
             # pp hash if hash[:target] != "ServerStatusChanged" && hash[:type] != 6 && hash[:type] != 3
 
             # Send PING(?)
-            if hash.empty? || hash[:type] == 6
-              ws.send({ type: 6 }.to_json + "\x1e")
-            else
-              case hash[:type]
-              when 1
-                case hash[:target]
-                when "ServerRegistered"
-                  data = hash[:arguments].first
+            if hash.empty? || hash[:type] == TYPE_PING
+              ws.send({ type: TYPE_PING }.to_json + "\x1e")
+              next
+            end
 
-                  this.invocation_id += 1
-                  out = { "type": 1, "invocationId": "#{this.invocation_id}", "target": "SubscribeToServerStatusUpdates", "arguments": [data[:id], 1] }
-                  ws.send(out.to_json + "\x1e")
+            case hash[:type]
+            when 1
+              case hash[:target]
+              when "ServerRegistered"
+                data = hash[:arguments].first
 
-                  BackgroundWorker.foreground_job(
-                    ->(data) { [Api.server_details(data[:id], 2), data] },
-                    ->(array) do
-                      server_data, data = array
+                this.invocation_id += 1
+                out = {
+                        "type": 1,
+                        "invocationId": "#{this.invocation_id}",
+                        "target": "SubscribeToServerStatusUpdates",
+                        "arguments": [data[:id], 1]
+                      }
+                ws.send(out.to_json + "\x1e")
 
-                      next unless server_data
+                BackgroundWorker.foreground_job(
+                  ->(data) { [Api.server_details(data[:id], 2), data] },
+                  ->(array) do
+                    server_data, data = array
 
-                      data[:status] = server_data
+                    next unless server_data
 
-                      server = ServerListServer.new(data)
-                      Store.server_list.push(server)
-                      States::Interface.instance&.update_server_browser(server, :update)
-                    end,
-                    nil,
-                    data
-                  )
+                    data[:status] = server_data
 
-                when "ServerStatusChanged"
-                  id, data = hash[:arguments]
-                  server = Store.server_list.find { |s| s.id == id }
-                  server_updated = server&.update(data)
+                    server = ServerListServer.new(data)
+                    Store.server_list.push(server)
+                    States::Interface.instance&.update_server_browser(server, :update)
+                  end,
+                  nil,
+                  data
+                )
 
-                  BackgroundWorker.foreground_job(->(server) { server }, ->(server) { States::Interface.instance&.update_server_browser(server, :update) }, nil, server) if server_updated
+              when "ServerStatusChanged"
+                id, data = hash[:arguments]
+                server = Store.server_list.find { |s| s.id == id }
+                server_updated = server&.update(data)
 
-                when "ServerUnregistered"
-                  id = hash[:arguments].first
-                  server = Store.server_list.find { |s| s.id == id }
+                BackgroundWorker.foreground_job(->(server) { server }, ->(server) { States::Interface.instance&.update_server_browser(server, :update) }, nil, server) if server_updated
 
-                  if server
-                    Store.server_list.delete(server)
-                    BackgroundWorker.foreground_job(->(server) { server }, ->(server) { States::Interface.instance&.update_server_browser(server, :remove) }, nil, server)
-                  end
+              when "ServerUnregistered"
+                id = hash[:arguments].first
+                server = Store.server_list.find { |s| s.id == id }
+
+                if server
+                  Store.server_list.delete(server)
+                  BackgroundWorker.foreground_job(->(server) { server }, ->(server) { States::Interface.instance&.update_server_browser(server, :remove) }, nil, server)
                 end
               end
             end
           end
 
-          ws.on(:close) do |e|
-            logger.error(LOG_TAG) { e }
+          ws.on(:close) do
+            logger.error(LOG_TAG) { "Connection closed." }
             this.auto_reconnect = true
             ws.close
           end
@@ -181,14 +197,24 @@ class W3DHub
           # unsubscribe from removed servers
           removed_servers.each do
             @invocation_id += 1
-            out = { "type": 1, "invocationId": "#{@invocation_id}", "target": "SubscribeToServerStatusUpdates", "arguments": [server.id, 0] }
+            out = {
+                    "type": 1,
+                    "invocationId": "#{@invocation_id}",
+                    "target": "SubscribeToServerStatusUpdates",
+                    "arguments": [server.id, 0]
+                  }
             ws.send(out.to_json + "\x1e")
           end
 
           # subscribe to new servers
           new_servers.each do
             @invocation_id += 1
-            out = { "type": 1, "invocationId": "#{@invocation_id}", "target": "SubscribeToServerStatusUpdates", "arguments": [server.id, 1] }
+            out = {
+                    "type": 1,
+                    "invocationId": "#{@invocation_id}",
+                    "target": "SubscribeToServerStatusUpdates",
+                    "arguments": [server.id, 1]
+                  }
             ws.send(out.to_json + "\x1e")
           end
         end

lib/application_manager.rb

@@ -5,6 +5,7 @@ class W3DHub
 
     def initialize
       @tasks = [] # :installer, :importer, :repairer, :uninstaller
+      @running_applications = {}
     end
 
     def install(app_id, channel)
@@ -22,9 +23,7 @@ class W3DHub
       # unpack packages
       # install dependencies (e.g. visual C runtime)
 
-      installer = Installer.new(app_id, channel)
-
-      @tasks.push(installer)
+      @tasks.push(Installer.new(app_id, channel))
     end
 
     def update(app_id, channel)
@@ -32,9 +31,7 @@ class W3DHub
 
       return false unless installed?(app_id, channel)
 
-      updater = Updater.new(app_id, channel)
-
-      @tasks.push(updater)
+      @tasks.push(Updater.new(app_id, channel))
     end
 
     def import(app_id, channel)
@@ -86,15 +83,15 @@ class W3DHub
 
       # open wwconfig.exe or config.exe for ecw
 
-      if (app_data = installed?(app_id, channel) && W3DHub.unix?)
-        exe = if Store.settings[:wine_prefix]
-          "WINEPREFIX=\"#{Store.settings[:wine_prefix]}\" winecfg"
-        else
-          "winecfg"
-        end
+      return unless (app_data = installed?(app_id, channel) && W3DHub.unix?)
 
-        Process.spawn("#{exe}")
-      end
+      exe = if !Store.settings[:wine_prefix].to_s.empty?
+              "WINEPREFIX=\"#{Store.settings[:wine_prefix]}\" winecfg"
+            else
+              "winecfg"
+            end
+
+      Process.spawn(exe)
     end
 
     def repair(app_id, channel)
@@ -169,11 +166,16 @@ class W3DHub
     def wine_command(app_id, channel)
       return "" if W3DHub.windows?
 
-      if Store.settings[:wine_prefix]
-        "WINEPREFIX=\"#{Store.settings[:wine_prefix]}\" \"#{Store.settings[:wine_command]}\" "
-      else
-        "#{Store.settings[:wine_command]} "
-      end
+      "\"#{Store.settings[:wine_command]}\" "
+    end
+
+    def wine_enviroment_variables(app_id, channel)
+      vars = {}
+      return vars if W3DHub.windows?
+
+      vars["WINEPREFIX"] = Store.settings[:wine_prefix] unless Store.settings[:wine_prefix].to_s.empty?
+
+      vars
     end
 
     def mangohud_command(app_id, channel)
@@ -188,6 +190,13 @@ class W3DHub
       end
     end
 
+    def mangohud_enviroment_variables(app_id, channel)
+      vars = {}
+      return vars if W3DHub.windows?
+
+      vars
+    end
+
     def dxvk_command(app_id, channel)
       return "" if W3DHub.windows?
 
@@ -201,6 +210,13 @@ class W3DHub
       end
     end
 
+    def dxvk_enviroment_variables(app_id, channel)
+      vars = {}
+      return vars if W3DHub.windows?
+
+      vars
+    end
+
     def start_command(path, exe)
       if W3DHub.windows?
         "start /D \"#{path}\" /B #{exe}"
@@ -212,16 +228,32 @@ class W3DHub
     def run(app_id, channel, *args)
       if (app_data = installed?(app_id, channel))
         install_directory = app_data[:install_directory]
-        exe_path = app_id == "ecw" ? "#{install_directory}/game500.exe" : "#{install_directory}/game.exe"
+        exe_path = app_id == "ecw" ? "#{install_directory}/game500.exe" : app_data[:install_path]
         exe_path.gsub!("/", "\\") if W3DHub.windows?
         exe_path.gsub!("\\", "/") if W3DHub.unix?
 
         exe = File.basename(exe_path)
         path = File.dirname(exe_path)
 
+        env = {}
+        if W3DHub.unix?
+          env.merge!(
+            dxvk_enviroment_variables(app_id, channel),
+            mangohud_enviroment_variables(app_id, channel),
+            wine_enviroment_variables(app_id, channel)
+          )
+        end
+
         attempted = false
         begin
-          pid = Process.spawn("#{dxvk_command(app_id, channel)}#{mangohud_command(app_id, channel)}#{wine_command(app_id, channel)}#{attempted ? start_command(path, exe) : "\"#{exe_path}\""} -launcher #{args.join(' ')}")
+          pid = Process.spawn(
+            env,
+            "#{dxvk_command(app_id, channel)}"\
+            "#{mangohud_command(app_id, channel)}"\
+            "#{wine_command(app_id, channel)}"\
+            "#{attempted ? start_command(path, exe) : "\"#{exe_path}\""} "\
+            "-launcher #{args.join(' ')}"
+          )
           Process.detach(pid)
         rescue Errno::EINVAL => e
           retryable = !attempted
@@ -236,12 +268,14 @@ class W3DHub
     end
 
     def join_server(app_id, channel, server, username = Store.settings[:server_list_username], password = nil, multi = false)
-      if installed?(app_id, channel) && username.to_s.length.positive?
-        run(
-          app_id, channel,
-          "+connect #{server.address}:#{server.port} +netplayername #{username}#{password ? " +password \"#{password}\"" : ""}#{multi ? " +multi" : ""}"
-        )
-      end
+      return unless installed?(app_id, channel) && username.to_s.length.positive?
+
+      run(
+        app_id, channel,
+        "+connect #{server.address}:#{server.port} "\
+        "+netplayername #{username}#{password ? " +password \"#{password}\"" : ""}"\
+        "#{multi ? " +multi" : ""}"
+      )
     end
 
     def play_now_server(app_id, channel)
@@ -249,11 +283,24 @@ class W3DHub
 
       return nil unless app_data
 
-      found_server = Store.server_list.select do |server|
-        server.game == app_id && server.channel == channel && !server.status.password && server.status.player_count < server.status.max_players
-      end&.first
+      server_options = Store.server_list.select do |server|
+        server.game == app_id &&
+          server.channel == channel &&
+          !server.status.password &&
+          server.status.player_count < server.status.max_players
+      end
+      # sort by player count HIGH to LOW
+      # and by ping LOW to HIGH
+      server_options.sort! do |a, b|
+        [b.status.player_count, a.ping] <=> [a.status.player_count, b.ping]
+      end
 
-      found_server ? found_server : nil
+      # try to find server with lowest ping and matching version
+      found_server = server_options.find { |server| server.version == app_data[:installed_version] }
+      # try to find server with lowest ping and undefined version
+      found_server ||= server_options.find { |server| server.version == Api::ServerListServer::NO_OR_DEFAULT_VERSION }
+
+      found_server
     end
 
     def play_now(app_id, channel)
@@ -283,7 +330,7 @@ class W3DHub
       end
     end
 
-    def favorive(app_id, bool)
+    def favorite(app_id, bool)
       Store.settings[:favorites] ||= {}
 
       if bool

lib/application_manager/task.rb

@@ -183,7 +183,8 @@ class W3DHub
         # Wine present?
         if W3DHub.unix?
           wine_present = W3DHub.command("which #{Store.settings[:wine_command]}")
-          fail!("FAIL FAST: `which #{Store.settings[:wine_command]}` command failed, wine is not installed. Will be unable to create prefixes or launch games.") unless wine_present
+          fail!("FAIL FAST: `which #{Store.settings[:wine_command]}` command failed, wine is not installed.\n\n"\
+                "Will be unable to launch game.\n\nCheck wine options in launcher's settings.") unless wine_present
         end
       end
 
@@ -739,34 +740,48 @@ class W3DHub
         temp_file_path = normalize_path(manifest_file.name, temp_path)
 
         logger.info(LOG_TAG) { "      Loading #{temp_file_path}.patch..." }
-        patch_mix = W3DHub::Mixer::Reader.new(file_path: "#{temp_file_path}.patch", ignore_crc_mismatches: false)
-        patch_info = JSON.parse(patch_mix.package.files.find { |f| f.name.casecmp?(".w3dhub.patch") || f.name.casecmp?(".bhppatch") }.data, symbolize_names: true)
+        patch_mix = W3DHub::WWMix.new(path: "#{temp_file_path}.patch")
+        unless patch_mix.load
+          raise patch_mix.error_reason
+        end
+        patch_entry = patch_mix.entries.find { |e| e.name.casecmp?(".w3dhub.patch") || e.name.casecmp?(".bhppatch") }
+        patch_entry.read
+        # "remove" patch meta file from patch before copying patch data
+        patch_mix.entries.delete(patch_entry)
+
+        patch_info = JSON.parse(patch_entry.blob, symbolize_names: true)
 
         logger.info(LOG_TAG) { "      Loading #{file_path}..." }
-        target_mix = W3DHub::Mixer::Reader.new(file_path: "#{file_path}", ignore_crc_mismatches: false)
+        target_mix = W3DHub::WWMix.new(path: "#{file_path}")
+        unless target_mix.load
+          raise target_mix.error_reason
+        end
 
         logger.info(LOG_TAG) { "      Removing files..." } if patch_info[:removedFiles].size.positive?
         patch_info[:removedFiles].each do |file|
           logger.debug(LOG_TAG) { "        #{file}" }
-          target_mix.package.files.delete_if { |f| f.name.casecmp?(file) }
+          target_mix.entries.delete_if { |e| e.name.casecmp?(file) }
         end
 
         logger.info(LOG_TAG) { "      Adding/Updating files..." } if patch_info[:updatedFiles].size.positive?
         patch_info[:updatedFiles].each do |file|
           logger.debug(LOG_TAG) { "        #{file}" }
 
-          patch = patch_mix.package.files.find { |f| f.name.casecmp?(file) }
-          target = target_mix.package.files.find { |f| f.name.casecmp?(file) }
-
-          if target
-            target_mix.package.files[target_mix.package.files.index(target)] = patch
-          else
-            target_mix.package.files << patch
+          patch_mix.entries.each do |entry|
+            target_mix.add_entry(entry: entry, replace: true)
           end
         end
 
         logger.info(LOG_TAG) { "      Writing updated #{file_path}..." } if patch_info[:updatedFiles].size.positive?
-        W3DHub::Mixer::Writer.new(file_path: "#{file_path}", package: target_mix.package, memory_buffer: true, encrypted: target_mix.encrypted?)
+        temp_mix_path = "#{temp_path}/#{File.basename(file_path)}"
+        temp_mix = W3DHub::WWMix.new(path: temp_mix_path, encrypted: target_mix.encrypted?)
+        target_mix.entries.each { |e| temp_mix.add_entry(entry: e, replace: true) }
+        unless temp_mix.save
+          raise temp_mix.error_reason
+        end
+
+        # Overwrite target mix with temp mix
+        FileUtils.mv(temp_mix_path, file_path)
 
         FileUtils.remove_dir(temp_path)
 

lib/broadcast_server.rb

@@ -1,7 +1,7 @@
 class W3DHub
   # Maybe add remote game launch from server list app?
-  class MulticastServer
-    MULTICAST_ADDR = "224.87.51.68"
+  # Maybe add intranet package delivery?
+  class BroadcastServer
     PORT = 7050
 
     def initialize

lib/cache.rb

@@ -50,54 +50,16 @@ class W3DHub
     end
 
     # Download a W3D Hub package
-    # TODO: More work needed to make this work reliably
-    def self._async_fetch_package(package, block)
-      path = package_path(package.category, package.subcategory, package.name, package.version)
-      headers = Api::FORM_ENCODED_HEADERS
-      start_from_bytes = package.custom_partially_valid_at_bytes
-
-      logger.info(LOG_TAG) { "    Start from bytes: #{start_from_bytes} of #{package.size}" }
-
-      create_directories(path)
-
-      file = File.open(path, start_from_bytes.positive? ? "r+b" : "wb")
-
-      if start_from_bytes.positive?
-        headers = Api::FORM_ENCODED_HEADERS + [["Range", "bytes=#{start_from_bytes}-"]]
-        file.pos = start_from_bytes
-      end
-
-      body = "data=#{JSON.dump({ category: package.category, subcategory: package.subcategory, name: package.name, version: package.version })}"
-
-      response = Api.post("/apis/launcher/1/get-package", headers, body)
-
-      total_bytes = package.size
-      remaining_bytes = total_bytes - start_from_bytes
-
-      response.each do |chunk|
-        file.write(chunk)
-
-        remaining_bytes -= chunk.size
-
-        block.call(chunk, remaining_bytes, total_bytes)
-      end
-
-      response.status == 200
-    ensure
-      file&.close
-    end
-
-    # Download a W3D Hub package
-    def self.fetch_package(package, block)
+    def self.async_fetch_package(package, block)
       endpoint_download_url = package.download_url || "#{Api::W3DHUB_API_ENDPOINT}/apis/launcher/1/get-package"
       if package.download_url
         uri_path = package.download_url.split("/").last
         endpoint_download_url = package.download_url.sub(uri_path, URI.encode_uri_component(uri_path))
       end
       path = package_path(package.category, package.subcategory, package.name, package.version)
-      headers = { "Content-Type": "application/x-www-form-urlencoded", "User-Agent": Api::USER_AGENT }
-      headers["Authorization"] = "Bearer #{Store.account.access_token}" if Store.account && !package.download_url
-      body = "data=#{JSON.dump({ category: package.category, subcategory: package.subcategory, name: package.name, version: package.version })}"
+      headers = [["content-type", "application/x-www-form-urlencoded"], ["user-agent", Api::USER_AGENT]]
+      headers << ["authorization", "Bearer #{Store.account.access_token}"] if Store.account && !package.download_url
+      body = URI.encode_www_form("data": JSON.dump({ category: package.category, subcategory: package.subcategory, name: package.name, version: package.version }))
       start_from_bytes = package.custom_partially_valid_at_bytes
 
       logger.info(LOG_TAG) { "    Start from bytes: #{start_from_bytes} of #{package.size}" }
@@ -107,52 +69,62 @@ class W3DHub
       file = File.open(path, start_from_bytes.positive? ? "r+b" : "wb")
 
       if start_from_bytes.positive?
-        headers["Range"] = "bytes=#{start_from_bytes}-"
+        headers << ["range", "bytes=#{start_from_bytes}-"]
         file.pos = start_from_bytes
       end
 
-      streamer = lambda do |chunk, remaining_bytes, total_bytes|
-        file.write(chunk)
+      result = false
+      Sync do
+        uri = URI(endpoint_download_url)
 
-        block.call(chunk, remaining_bytes, total_bytes)
-      end
+        response = W3DHub::Api.provision_http_client(uri.origin).send((package.download_url ? :get : :post), uri.request_uri, headers, body)
+        if response.success?
+          total_bytes = package.size
 
-      # Create a new connection due to some weirdness somewhere in Excon
-      response = Excon.send(
-        package.download_url ? :get : :post,
-        endpoint_download_url,
-        tcp_nodelay: true,
-        headers: headers,
-        body: package.download_url ? "" : body,
-        chunk_size: 50_000,
-        response_block: streamer,
-        middlewares: Excon.defaults[:middlewares] + [Excon::Middleware::RedirectFollower]
-      )
+          response.each do |chunk|
+            file.write(chunk)
 
-      if response.status == 200 || response.status == 206
-        return true
-      else
+            block.call(chunk, total_bytes - file.pos, total_bytes)
+          end
+
+          result = true
+        end
+
+        binding.irb unless response
+
+        if response&.status == 200 || response&.status == 206
+          result = true
+        else
+          logger.debug(LOG_TAG) { "    Failed to retrieve package: (#{package.category}:#{package.subcategory}:#{package.name}:#{package.version})" }
+          logger.debug(LOG_TAG) { "      Download URL: #{endpoint_download_url}, response: #{response&.status || -1}" }
+
+          result = false
+        end
+      rescue Async::Timeout => e
+        logger.error(LOG_TAG) { "    Connection to \"#{endpoint_download_url}\" timed out after: #{W3DHub::Api::API_TIMEOUT} seconds" }
+        logger.error(LOG_TAG) { e }
         logger.debug(LOG_TAG) { "    Failed to retrieve package: (#{package.category}:#{package.subcategory}:#{package.name}:#{package.version})" }
         logger.debug(LOG_TAG) { "      Download URL: #{endpoint_download_url}, response: #{response&.status || -1}" }
 
-        return false
+        result = false
+      rescue StandardError => e
+        logger.error(LOG_TAG) { "    Connection to \"#{endpoint_download_url}\" errored:" }
+        logger.error(LOG_TAG) { e }
+        logger.debug(LOG_TAG) { "    Failed to retrieve package: (#{package.category}:#{package.subcategory}:#{package.name}:#{package.version})" }
+        logger.debug(LOG_TAG) { "      Download URL: #{endpoint_download_url}, response: #{response&.status || -1}" }
+
+        result = false
+      ensure
+        file&.close
+        response&.close
       end
-    rescue Excon::Error::Timeout => e
-      logger.error(LOG_TAG) { "    Connection to \"#{endpoint_download_url}\" timed out after: #{W3DHub::Api::API_TIMEOUT} seconds" }
-      logger.error(LOG_TAG) { e }
-      logger.debug(LOG_TAG) { "    Failed to retrieve package: (#{package.category}:#{package.subcategory}:#{package.name}:#{package.version})" }
-      logger.debug(LOG_TAG) { "      Download URL: #{endpoint_download_url}, response: #{response&.status || -1}" }
 
-      return false
-    rescue Excon::Error => e
-      logger.error(LOG_TAG) { "    Connection to \"#{endpoint_download_url}\" errored:" }
-      logger.error(LOG_TAG) { e }
-      logger.debug(LOG_TAG) { "    Failed to retrieve package: (#{package.category}:#{package.subcategory}:#{package.name}:#{package.version})" }
-      logger.debug(LOG_TAG) { "      Download URL: #{endpoint_download_url}, response: #{response&.status || -1}" }
+      result
+    end
 
-      return false
-    ensure
-      file&.close
+    # Download a W3D Hub package
+    def self.fetch_package(package, block)
+      async_fetch_package(package, block)
     end
 
     def self.acquire_net_lock(key)

lib/common.rb

@@ -140,18 +140,16 @@ class W3DHub
       end
 
       status.zero?
-    else
-      if block
-        IO.popen(command, "r") do |io|
-          io.each_line do |line|
-            block&.call(line)
-          end
+    elsif block
+      IO.popen(command, "r") do |io|
+        io.each_line do |line|
+          block&.call(line)
         end
-
-        $CHILD_STATUS.success?
-      else
-        system(command)
       end
+
+      $CHILD_STATUS.success?
+    else
+      system(command)
     end
   end
 
@@ -159,23 +157,26 @@ class W3DHub
     File.expand_path("~")
   end
 
-  def self.ask_file(title: "Open File", filter: "*game*.exe")
+  def self.ask_file(title: "Open File", filter: "*game*.exe", filters: [])
+    filters << filter if filters.empty?
+
     if W3DHub.unix?
       # search for command
-      cmds = %w{ zenity matedialog qarma kdialog }
+      cmds = %w[zenity matedialog qarma kdialog]
 
       command = cmds.find do |cmd|
         cmd if system("which #{cmd}")
       end
 
       path = case File.basename(command)
-      when "zenity", "matedialog", "qarma"
-        `#{command} --file-selection --title "#{title}" --file-filter "#{filter}"`
-      when "kdialog"
-        `#{command} --title "#{title}" --getopenfilename . "#{filter}"`
-      else
-        raise "No known command found for system file selection dialog!"
-      end
+             when "zenity", "matedialog", "qarma"
+               options = filters.map { |s| format("--file-filter=\"%s\"", s) }.join(" ")
+               `#{command} --file-selection --title \"#{title}\" #{options}`
+             when "kdialog"
+               `#{command} --title "#{title}" --getopenfilename . "#{filters.join(" ")}"`
+             else
+               raise "No known command found for system file selection dialog!"
+             end
 
       path.strip
     else
@@ -189,20 +190,20 @@ class W3DHub
   def self.ask_folder(title: "Open Folder")
     if W3DHub.unix?
       # search for command
-      cmds = %w{ zenity matedialog qarma kdialog }
+      cmds = %w[zenity matedialog qarma kdialog]
 
       command = cmds.find do |cmd|
         cmd if system("which #{cmd}")
       end
 
       path = case File.basename(command)
-      when "zenity", "matedialog", "qarma"
-        `#{command} --file-selection --directory --title "#{title}"`
-      when "kdialog"
-        `#{command} --title "#{title}" --getexistingdirectory #{Dir.home}"`
-      else
-        raise "No known command found for system file selection dialog!"
-      end
+             when "zenity", "matedialog", "qarma"
+               `#{command} --file-selection --directory --title "#{title}"`
+             when "kdialog"
+               `#{command} --title "#{title}" --getexistingdirectory #{Dir.home}"`
+             else
+               raise "No known command found for system file selection dialog!"
+             end
 
       path.strip
     else

lib/i18n.rb

@@ -0,0 +1,102 @@
+# The I18n gem is a real pain to work with when packaging with Ocra(n)
+# and we're not using its 'advanced' features so emulate its API here.
+
+require "yaml"
+
+class I18n
+  class InvalidLocale < StandardError
+  end
+
+  @locale = :en
+  @default_locale = :en
+  @load_path = []
+
+  @translations = {}
+
+  def self.load_path
+    @load_path
+  end
+
+  def self.default_locale
+    @default_locale.to_sym
+  end
+
+  def self.default_locale=(locale)
+    @default_locale = locale.to_s
+  end
+
+  def self.locale
+    @locale.to_sym
+  end
+
+  def self.locale=(locale)
+    locale = locale.to_s
+
+    raise InvalidLocale unless valid_locale?(locale)
+
+    @locale = locale
+  end
+
+  def self.t(symbol)
+    return symbol.to_s unless valid_locale?(@locale)
+
+    @translations[@locale] || load_locale(@locale)
+
+    translations = @translations[@locale]
+    return translations[symbol] if translations
+
+    translation = @translations.dig(@default_locale, symbol)
+    return translation if translation
+
+    return symbol.to_s
+  end
+
+  def self.available_locales
+    @load_path.flatten.map { |f| File.basename(f, ".yml").to_s.downcase.to_sym }
+  end
+
+  private
+  def self.load_locale(locale)
+    locale = locale.to_s
+
+    return if @translations[locale] && !@translations[locale].empty?
+
+    if (file = valid_locale?(locale))
+      yaml = YAML.load_file(file)
+
+      raise InvalidLocale unless yaml[locale]
+
+      key = ""
+      hash = yaml[locale]
+      hash.each_pair do |key, v|
+        if v.is_a?(String)
+          @translations[locale] ||= {}
+          @translations[locale][key.to_sym] = v
+        else
+          load_locale_part(locale, key, v)
+        end
+      end
+    end
+  end
+
+  def self.load_locale_part(locale, key, part)
+    locale = locale.to_s
+
+    part.each_pair do |k, v|
+      if v.is_a?(String)
+        @translations[locale] ||= {}
+        @translations[locale]["#{key}.#{k}".to_sym] = v
+      else
+        load_locale_part(locale, "#{key}.#{k}", v)
+      end
+    end
+  end
+
+  def self.valid_locale?(locale)
+    locale = locale.to_s
+
+    @load_path.flatten.find do |file|
+      File.basename(file, ".yml").to_s.downcase.strip == locale
+    end
+  end
+end

lib/mixer.rb

@@ -1,386 +0,0 @@
-require "digest"
-require "stringio"
-
-class W3DHub
-
-  # https://github.com/TheUnstoppable/MixLibrary used for reference
-  class Mixer
-    DEFAULT_BUFFER_SIZE = 32_000_000
-    MIX1_HEADER = 0x3158494D
-    MIX2_HEADER = 0x3258494D
-
-    class MixParserException < RuntimeError; end
-    class MixFormatException < RuntimeError; end
-
-    class MemoryBuffer
-      def initialize(file_path:, mode:, buffer_size:, encoding: Encoding::ASCII_8BIT)
-        @mode = mode
-
-        @file = File.open(file_path, mode == :read ? "rb" : "wb")
-        @file.pos = 0
-        @file_size = File.size(file_path)
-
-        @buffer_size = buffer_size
-        @chunk = 0
-        @last_chunk = 0
-        @max_chunks = @file_size / @buffer_size
-        @last_cached_chunk = nil
-
-        @encoding = encoding
-
-        @last_buffer_pos = 0
-        @buffer = @mode == :read ? StringIO.new(@file.read(@buffer_size)) : StringIO.new
-        @buffer.set_encoding(encoding)
-
-        # Cache frequently accessed chunks to reduce disk hits
-        @cache = {}
-      end
-
-      def pos
-        @chunk * @buffer_size + @buffer.pos
-      end
-
-      def pos=(offset)
-        last_chunk = @chunk
-        @chunk = offset / @buffer_size
-
-        raise "No backsies! #{offset} (#{@chunk}/#{last_chunk})" if @mode == :write && @chunk < last_chunk
-
-        fetch_chunk(@chunk) if @mode == :read
-
-        @buffer.pos = offset % @buffer_size
-      end
-
-      # string of bytes
-      def write(bytes)
-        length = bytes.length
-
-        # Crossing buffer boundry
-        if @buffer.pos + length > @buffer_size
-
-          edge_size = @buffer_size - @buffer.pos
-          buffer_edge = bytes[0...edge_size]
-
-          bytes_to_write = bytes.length - buffer_edge.length
-          chunks_to_write = (bytes_to_write / @buffer_size.to_f).ceil
-          bytes_written = buffer_edge.length
-
-          @buffer.write(buffer_edge)
-          flush_chunk
-
-          chunks_to_write.times do |i|
-            i += 1
-
-            @buffer.write(bytes[bytes_written...bytes_written + @buffer_size])
-            bytes_written += @buffer_size
-
-            flush_chunk if string.length == @buffer_size
-          end
-        else
-          @buffer.write(bytes)
-        end
-
-        bytes
-      end
-
-      def write_header(data_offset:, name_offset:)
-        flush_chunk
-
-        @file.pos = 4
-        write_i32(data_offset)
-        write_i32(name_offset)
-
-        @file.pos = 0
-      end
-
-      def write_i32(int)
-        @file.write([int].pack("l"))
-      end
-
-      def read(bytes = nil)
-        raise ArgumentError, "Cannot read whole file" if bytes.nil?
-        raise ArgumentError, "Cannot under read buffer" if bytes.negative?
-
-        # Long read, need to fetch next chunk while reading, mostly defeats this class...?
-        if @buffer.pos + bytes > buffered
-          buff = string[@buffer.pos..buffered]
-
-          bytes_to_read = bytes - buff.length
-          chunks_to_read = (bytes_to_read / @buffer_size.to_f).ceil
-
-          chunks_to_read.times do |i|
-            i += 1
-
-            fetch_chunk(@chunk + 1)
-
-            if i == chunks_to_read # read partial
-              already_read_bytes = (chunks_to_read - 1) * @buffer_size
-              bytes_more_to_read = bytes_to_read - already_read_bytes
-
-              buff << @buffer.read(bytes_more_to_read)
-            else
-              buff << @buffer.read
-            end
-          end
-
-          buff
-        else
-          fetch_chunk(@chunk) if @last_chunk != @chunk
-
-          @buffer.read(bytes)
-        end
-      end
-
-      def readbyte
-        fetch_chunk(@chunk + 1) if @buffer.pos + 1 > buffered
-
-        @buffer.readbyte
-      end
-
-      def fetch_chunk(chunk)
-        raise ArgumentError, "Cannot fetch chunk #{chunk}, only #{@max_chunks} exist!" if chunk > @max_chunks
-        @last_chunk = @chunk
-        @chunk = chunk
-        @last_buffer_pos = @buffer.pos
-
-        cached = @cache[chunk]
-
-        if cached
-          @buffer.string = cached
-        else
-          @file.pos = chunk * @buffer_size
-          buff = @buffer.string = @file.read(@buffer_size)
-
-          # Cache the active chunk (implementation bounces from @file_data_chunk and back to this for each 'file' processed)
-          if @chunk != @file_data_chunk && @chunk != @last_cached_chunk
-            @cache.delete(@last_cached_chunk) unless @last_cached_chunk == @file_data_chunk
-            @cache[@chunk] = buff
-            @last_cached_chunk = @chunk
-          end
-
-          buff
-        end
-      end
-
-      # This is accessed quite often, keep it around
-      def cache_file_data_chunk!
-        @file_data_chunk = @chunk
-
-        last_buffer_pos = @buffer.pos
-        @buffer.pos = 0
-        @cache[@chunk] = @buffer.read
-        @buffer.pos = last_buffer_pos
-      end
-
-      def flush_chunk
-        @last_chunk = @chunk
-        @chunk += 1
-
-        @file.pos = @last_chunk * @buffer_size
-        @file.write(string)
-
-        @buffer.string = "".force_encoding(@encoding)
-      end
-
-      def string
-        @buffer.string
-      end
-
-      def buffered
-        @buffer.string.length
-      end
-
-      def close
-        @file&.close
-      end
-    end
-
-    class Reader
-      attr_reader :package
-
-      def initialize(file_path:, ignore_crc_mismatches: false, metadata_only: false, buffer_size: DEFAULT_BUFFER_SIZE)
-        @package = Package.new
-
-        @buffer = MemoryBuffer.new(file_path: file_path, mode: :read, buffer_size: buffer_size)
-
-        @buffer.pos = 0
-
-        @encrypted = false
-
-        # Valid header
-        if (mime = read_i32) && (mime == MIX1_HEADER || mime == MIX2_HEADER)
-          @encrypted = mime == MIX2_HEADER
-
-          file_data_offset = read_i32
-          file_names_offset = read_i32
-
-          @buffer.pos = file_names_offset
-          file_count = read_i32
-
-          file_count.times do
-            @package.files << Package::File.new(name: read_string)
-          end
-
-          @buffer.pos = file_data_offset
-          @buffer.cache_file_data_chunk!
-
-          _file_count = read_i32
-
-          file_count.times do |i|
-            file = @package.files[i]
-
-            file.mix_crc = read_u32.to_s(16).rjust(8, "0")
-            file.content_offset = read_u32
-            file.content_length = read_u32
-
-            if !ignore_crc_mismatches && file.mix_crc != file.file_crc
-              raise MixParserException, "CRC mismatch for #{file.name}. #{file.mix_crc.inspect} != #{file.file_crc.inspect}"
-            end
-
-            pos = @buffer.pos
-            @buffer.pos = file.content_offset
-            file.data = @buffer.read(file.content_length) unless metadata_only
-            @buffer.pos = pos
-          end
-        else
-          raise MixParserException, "Invalid MIX file: Expected \"#{MIX1_HEADER}\" or \"#{MIX2_HEADER}\", got \"0x#{mime.to_s(16).upcase}\"\n(#{file_path})"
-        end
-
-      ensure
-        @buffer&.close
-        @buffer = nil # let GC collect
-      end
-
-      def read_i32
-        @buffer.read(4).unpack1("l")
-      end
-
-      def read_u32
-        @buffer.read(4).unpack1("L")
-      end
-
-      def read_string
-        buffer = ""
-
-        length = @buffer.readbyte
-
-        length.times do
-          buffer << @buffer.readbyte
-        end
-
-        buffer.strip
-      end
-
-      def encrypted?
-        @encrypted
-      end
-    end
-
-    class Writer
-      attr_reader :package
-
-      def initialize(file_path:, package:, memory_buffer: false, buffer_size: DEFAULT_BUFFER_SIZE, encrypted: false)
-        @package = package
-
-        @buffer = MemoryBuffer.new(file_path: file_path, mode: :write, buffer_size: buffer_size)
-        @buffer.pos = 0
-
-        @encrypted = encrypted
-
-        @buffer.write(encrypted? ? "MIX2" : "MIX1")
-
-        files = @package.files.sort { |a, b| a.file_crc <=> b.file_crc }
-
-        @buffer.pos = 16
-
-        files.each do |file|
-          file.content_offset = @buffer.pos
-          file.content_length = file.data.length
-          @buffer.write(file.data)
-
-          @buffer.pos += -@buffer.pos & 7
-        end
-
-        file_data_offset = @buffer.pos
-        write_i32(files.count)
-
-        files.each do |file|
-          write_u32(file.file_crc.to_i(16))
-          write_u32(file.content_offset)
-          write_u32(file.content_length)
-        end
-
-        file_name_offset = @buffer.pos
-        write_i32(files.count)
-
-        files.each do |file|
-          write_byte(file.name.length + 1)
-          @buffer.write("#{file.name}\0")
-        end
-
-        @buffer.write_header(data_offset: file_data_offset, name_offset: file_name_offset)
-      ensure
-        @buffer&.close
-      end
-
-      def write_i32(int)
-        @buffer.write([int].pack("l"))
-      end
-
-      def write_u32(uint)
-        @buffer.write([uint].pack("L"))
-      end
-
-      def write_byte(byte)
-        @buffer.write([byte].pack("c"))
-      end
-
-      def encrypted?
-        @encrypted
-      end
-    end
-
-    # Eager loads patch file and streams target file metadata (doen't load target file data or generate CRCs)
-    # after target file metadata is loaded, create a temp file and merge patched files into list then
-    # build ordered file list and stream patched files and target file chunks into temp file,
-    # after that is done, replace target file with temp file
-    class Patcher
-      def initialize(patch_files:, target_file:, temp_file:, buffer_size: DEFAULT_BUFFER_SIZE)
-        @patch_files = patch_files.to_a.map { |f| Reader.new(file_path: f) }
-        @target_file = File.open(target_file)
-        @temp_file = File.open(temp_file, "a+b")
-        @buffer_size = buffer_size
-      end
-    end
-
-    class Package
-      attr_reader :files
-
-      def initialize(files: [])
-        @files = files
-      end
-
-      class File
-        attr_accessor :name, :mix_crc, :content_offset, :content_length, :data
-
-        def initialize(name:, mix_crc: nil, content_offset: nil, content_length: nil, data: nil)
-          @name = name
-          @mix_crc = mix_crc
-          @content_offset = content_offset
-          @content_length = content_length
-          @data = data
-        end
-
-        def file_crc
-          return "e6fe46b8" if @name.downcase == ".w3dhub.patch"
-
-          Digest::CRC32.hexdigest(@name.upcase)
-        end
-
-        def data_crc
-          Digest::CRC32.hexdigest(@data)
-        end
-      end
-    end
-  end
-end

lib/pages/games.rb

@@ -141,6 +141,8 @@ class W3DHub
 
               stack(width: 1.0, fill: true, scroll: true, margin_top: 32) do
                 if Store.application_manager.installed?(game.id, channel.id)
+                  para "v#{Store.application_manager.installed?(game.id, channel.id)[:installed_version]}"
+
                   Hash.new.tap { |hash|
                     # hash[I18n.t(:"games.game_settings")] = { icon: "gear", block: proc { Store.application_manager.settings(game.id, channel.id) } }
                     # hash[I18n.t(:"games.wine_configuration")] = { icon: "gear", block: proc { Store.application_manager.wine_configuration(game.id, channel.id) } } if W3DHub.unix?
@@ -276,7 +278,7 @@ class W3DHub
               end
 
               # Game Events
-              @game_events_container = flow(width: 1.0, height: 128, padding: 8, visible: false) do
+              @game_events_container = stack(width: 1.0, height: 128, padding: 8, scroll: true, visible: false) do
               end
 
               # Game News
@@ -367,7 +369,7 @@ class W3DHub
                     flow(width: 1.0, height: 28, padding: 8) do
                       para "Favorite", fill: true
                       toggle_button checked: Store.application_manager.favorite?(game.id), height: 18, padding_top: 3, padding_right: 3, padding_bottom: 3, padding_left: 3 do |btn|
-                        Store.application_manager.favorive(game.id, btn.value)
+                        Store.application_manager.favorite(game.id, btn.value)
                         Store.settings.save_settings
 
                         populate_games_list
@@ -511,15 +513,15 @@ class W3DHub
           @game_events_container.show unless events.empty?
           @game_events_container.hide if events.empty?
 
-          @game_events_container.clear do
-            events.flatten.each do |event|
-              stack(fill: true, height: 1.0, margin_left: 8, margin_right: 8, border_thickness: 1, border_color: lighten(Gosu::Color.new(game.color))) do
-                background 0x44_000000
+          return unless (event = events.flatten.first)
 
-                title event.title, width: 1.0, text_align: :center
-                title event.start_time.strftime("%A"), width: 1.0, text_align: :center
-                caption event.start_time.strftime("%B %e, %Y %l:%M %p"), width: 1.0, text_align: :center
-              end
+          @game_events_container.clear do
+            stack(width: 1.0, fill: true, margin_left: 8, margin_right: 8, border_thickness: 1, border_color: lighten(Gosu::Color.new(game.color))) do
+              background 0x44_000000
+
+              title event.title, width: 1.0, text_align: :center
+              title event.start_time.strftime("%A"), width: 1.0, text_align: :center
+              caption event.start_time.strftime("%B %e, %Y %l:%M %p"), width: 1.0, text_align: :center
             end
           end
         end

lib/pages/server_browser.rb

@@ -3,7 +3,7 @@ class W3DHub
     class ServerBrowser < Page
       def setup
         @server_locked_icons = {}
-        @refresh_server_list = false
+        @refresh_server_list_at_ms = nil
         refresh_server = false
 
         @selected_server ||= nil
@@ -138,8 +138,8 @@ class W3DHub
       def update
         super
 
-        if @refresh_server_list && Gosu.milliseconds >= @refresh_server_list
-          @refresh_server_list = nil
+        if @refresh_server_list_at_ms && Gosu.milliseconds >= @refresh_server_list_at_ms
+          @refresh_server_list_at_ms = nil
 
           # populate_server_list
           reorder_server_list
@@ -213,25 +213,13 @@ class W3DHub
         server.ping == W3DHub::Api::ServerListServer::NO_OR_BAD_PING ? "Ping failed" : "Ping #{server.ping}ms"
       end
 
-      def find_element_by_tag(container, tag, list = [])
-        return unless container
-
-        container.children.each do |child|
-          list << child if child.style.tag == tag
-
-          find_element_by_tag(child, tag, list) if child.is_a?(CyberarmEngine::Element::Container)
-        end
-
-        return list.first
-      end
-
       def refresh_server_list(server, mode = :update) # :remove, :refresh_all
         if mode == :refresh_all
           populate_server_list
           return
         end
 
-        @refresh_server_list = Gosu.milliseconds + 3_000
+        @refresh_server_list_at_ms = Gosu.milliseconds + 3_000
         @refresh_server = server if @selected_server&.id == server.id
 
         server_container = find_element_by_tag(@server_list_container, server.id)
@@ -333,7 +321,8 @@ class W3DHub
             para server&.status&.name, tag: :server_name, font: BOLD_FONT, text_wrap: :none
 
             flow(width: 1.0, height: 1.0) do
-              para Store.application_manager.channel_name(server.game, server.channel).to_s, width: 172, margin_right: 8, tag: :server_channel
+              para server.version, margin_right: 8, tag: :server_version
+              para Store.application_manager.channel_name(server.game, server.channel).to_s, width: 148, margin_right: 8, tag: :server_channel
               para server.region, tag: :server_region
             end
           end
@@ -389,11 +378,12 @@ class W3DHub
               flow(width: 1.0, height: 46, margin_top: 16, margin_bottom: 16) do
                 game_installed = Store.application_manager.installed?(server.game, server.channel)
                 game_updatable = Store.application_manager.updateable?(server.game, server.channel)
+                matching_version = (game_installed && game_installed[:installed_version] == server.version) || server.version == Api::ServerListServer::NO_OR_DEFAULT_VERSION
                 channel = Store.application_manager.channel(server.game, server.channel)
                 style = ((channel && channel.user_level.downcase.strip == "public") || server.channel == "release") ? {} : TESTING_BUTTON
 
                 flow(fill: true)
-                button "<b>#{I18n.t(:"server_browser.join_server")}</b>", enabled: (game_installed && !game_updatable), **style do
+                button "<b>#{I18n.t(:"server_browser.join_server")}</b>", enabled: (game_installed && !game_updatable && matching_version), **style do
                   # Check for nickname
                   #   prompt for nickname
                   # !abort unless nickname set

lib/pages/settings.rb

@@ -7,54 +7,88 @@ class W3DHub
             background 0xaa_252525
 
             stack(width: 1.0, fill: true, max_width: 720, h_align: :center, scroll: true) do
-              stack(width: 1.0, height: 112) do
-                tagline "Launcher Language"
-                @language_menu = list_box items: I18n.available_locales.map { |l| expand_language_code(l.to_s) }, choose: expand_language_code(Store.settings[:language]), width: 1.0, margin_left: 16
-                para "Select the UI language you'd like to use in the W3D Hub Launcher.", margin_left: 16
+              tagline "Launcher Language"
+              @language_menu = list_box items: I18n.available_locales.map { |l| expand_language_code(l.to_s) }, choose: expand_language_code(Store.settings[:language]), width: 1.0, margin_left: 16
+              para "Select the UI language you'd like to use in the W3D Hub Launcher.", margin_left: 16
+
+
+              tagline "Launcher Directories", margin_top: 16
+              caption "Applications Install Directory", margin_left: 16
+              flow(width: 1.0, margin_left: 16) do
+                @app_install_dir_input = edit_line Store.settings[:app_install_dir], fill: true
+                button "Browse...", width: 128, tip: "Browse for applications install directory" do
+                  path = W3DHub.ask_folder
+                  @app_install_dir_input.value = path unless path.empty?
+                end
               end
 
-
-              stack(width: 1.0, height: 200, margin_top: 16) do
-                tagline "Launcher Directories"
-                caption "Applications Install Directory", margin_left: 16
-                flow(width: 1.0, fill: true, margin_left: 16) do
-                  @app_install_dir_input = edit_line Store.settings[:app_install_dir], fill: true
-                  button "Browse...", width: 128, tip: "Browse for applications install directory" do
-                    path = W3DHub.ask_folder
-                    @app_install_dir_input.value = path unless path.empty?
-                  end
-                end
-
-                caption "Package Cache Directory", margin_left: 16, margin_top: 16
-                flow(width: 1.0, fill: true, margin_left: 16) do
-                  @package_cache_dir_input = edit_line Store.settings[:package_cache_dir], fill: true
-                  button "Browse...", width: 128, tip: "Browse for package cache directory" do
-                    path = W3DHub.ask_folder
-                    @package_cache_dir_input.value = path unless path.empty?
-                  end
+              caption "Package Cache Directory", margin_left: 16, margin_top: 16
+              flow(width: 1.0, margin_left: 16) do
+                @package_cache_dir_input = edit_line Store.settings[:package_cache_dir], fill: true
+                button "Browse...", width: 128, tip: "Browse for package cache directory" do
+                  path = W3DHub.ask_folder
+                  @package_cache_dir_input.value = path unless path.empty?
                 end
               end
 
               if W3DHub.unix?
-                stack(width: 1.0, height: 224, margin_top: 16) do
-                  tagline "Wine - Windows compatibility layer"
-                  caption "Wine Command", margin_left: 16
-                  @wine_command_input = edit_line Store.settings[:wine_command], width: 1.0, margin_left: 16
-                  para "Command to use to for Windows compatiblity layer.", margin_left: 16
-
-                  caption "Wine Prefix", margin_left: 16, margin_top: 16
-                  flow(width: 1.0, height: 48, margin_left: 16) do
-                    @wine_prefix_toggle = toggle_button checked: Store.settings[:wine_prefix], enabled: false
-                    para "Whether each game gets its own prefix. Uses global/default prefix by default."
+                tagline "Wine - Windows compatibility layer", margin_top: 16
+                caption "Wine Command", margin_left: 16
+                flow(width: 1.0, margin_left: 16) do
+                  @wine_command_input = edit_line Store.settings[:wine_command], fill: true
+                  button "Browse...", width: 128, tip: "Browse for wine executable" do
+                    path = W3DHub.ask_file(filters: %w[wine proton])
+                    @wine_command_input.value = path unless path.empty?
                   end
                 end
+                para "Command to use to for Windows compatiblity layer.", margin_left: 16
+
+                caption "Wine Prefix", margin_left: 16, margin_top: 16
+                flow(width: 1.0, margin_left: 16) do
+                  @wine_prefix_input = edit_line Store.settings[:wine_prefix], fill: true
+                  button "Browse...", width: 128, tip: "Browse for wine prefix directory" do
+                    path = W3DHub.ask_folder
+                    @wine_prefix_input.value = path unless path.empty?
+                  end
+                end
+                para "Leave empty to use default global prefix.", margin_left: 16
+
+                link "Wiki: Getting Started With Wine", tip: "https://github.com/cyberarm/w3d_hub_linux_launcher/wiki/Getting-Started-With-Wine", margin_top: 16, margin_left: 16, border_color_bottom: 0xff_777777 do
+                  W3DHub.url("https://github.com/cyberarm/w3d_hub_linux_launcher/wiki/Getting-Started-With-Wine")
+                end
+
+                # TODO: support winetricks stuff
+                # tagline "Winetricks", margin_top: 16
+                # caption "Winetricks Command", margin_left: 16
+                # flow(width: 1.0, margin_left: 16) do
+                #   @winetricks_command_input = edit_line Store.settings[:winetricks_command], fill: true, enabled: false
+                #   button "Browse...", width: 128, tip: "Browse for winetricks executable", enabled: false do
+                #     path = W3DHub.ask_file(filters: %w[winetricks protontricks])
+                #     @winetricks_command_input.value = path unless path.empty?
+                #   end
+                # end
+
+                # caption "Fixups", margin_left: 16, margin_top: 16
+                # button "Install d3dcompiler_47", margin_left: 16, enabled: false
+                # para "Fixes games instantly crashing at startup due to not being able to compile shaders.", margin_left: 16
+
+                # button "Install DXVK", margin_left: 16, margin_top: 16, enabled: false
+                # para "Use Vulkan-based DirectX translation layers.", margin_left: 16
+                # para "WARNING: Games will stop working if your hardware does not support Vulkan!", margin_left: 16
               end
             end
 
-            stack(width: 128, max_height: 256, h_align: :center, margin_top: 16, fill: true) do
+            flow(width: 256, height: 64, h_align: :center, margin_top: 16) do
               button "Save", width: 1.0 do
                 save_settings!
               end
+              flow(fill: true)
+            end
+
+            button("Clear package cache: #{W3DHub.format_size(Dir.glob("#{Store.settings[:package_cache_dir]}/**/**").map { |f| File.file?(f) ? File.size(f) : 0}.sum)}", tip: "Purge #{Store.settings[:package_cache_dir]}", **DANGEROUS_BUTTON) do |btn|
+              logger.info(LOG_TAG) { "Purging cache (#{Store.settings[:package_cache_dir]})..." }
+              FileUtils.remove_dir(Store.settings[:package_cache_dir], force: true)
+              btn.value = "Clear package cache: #{W3DHub.format_size(Dir.glob("#{Store.settings[:package_cache_dir]}/**/**").map { |f| File.file?(f) ? File.size(f) : 0}.sum)}"
             end
           end
         end
@@ -98,7 +132,9 @@ class W3DHub
         Store.settings[:package_cache_dir] = @package_cache_dir_input.value
 
         Store.settings[:wine_command] = @wine_command_input.value
-        Store.settings[:wine_prefix] = @wine_prefix_toggle.value
+        Store.settings[:wine_prefix] = @wine_prefix_input.value
+
+        Store.settings[:winetricks_command] = @winetricks_command_input.value if @winetricks_command_input
 
         Store.settings.save_settings
 

lib/settings.rb

@@ -2,12 +2,13 @@ class W3DHub
   class Settings
     def self.defaults
       {
-        language: Gosu.user_languages.first.split("_").first,
+        language: Gosu.user_languages.first&.split("_")&.first || "en",
         app_install_dir: default_app_install_dir,
         package_cache_dir: default_package_cache_dir,
         parallel_downloads: 4,
         wine_command: "wine",
-        create_wine_prefixes: true,
+        wine_prefix: "",
+        winetricks_command: "winetricks",
         allow_diagnostic_reports: false,
         server_list_username: "",
         server_list_filters: {},
@@ -66,6 +67,14 @@ class W3DHub
 
     def load_settings
       @settings = JSON.parse(File.read(SETTINGS_FILE_PATH), symbolize_names: true)
+
+      # FIXUPS
+      # FOR: v0.9.0
+      @settings.delete(:create_wine_prefixes)
+      @settings[:wine_prefix] ||= ""
+      @settings[:winetricks_command] ||= "winetricks"
+
+      @settings
     end
 
     def save_settings

lib/states/boot.rb

@@ -25,7 +25,8 @@ class W3DHub
 
         @task_index = 0
 
-        stack(width: 1.0, height: 1.0, border_thickness: 1, border_color: W3DHub::BORDER_COLOR, background_image: "#{GAME_ROOT_PATH}/media/banners/background.png", background_image_color: 0xff_525252, background_image_mode: :fill) do
+        stack(width: 1.0, height: 1.0, border_thickness: 1, border_color: W3DHub::BORDER_COLOR,
+              background_image: "#{GAME_ROOT_PATH}/media/banners/background.png", background_image_color: 0xff_525252, background_image_mode: :fill) do
           stack(width: 1.0, fill: true) do
           end
 
@@ -41,7 +42,8 @@ class W3DHub
       end
 
       def draw
-        Gosu.draw_circle(window.width / 2, window.height / 2, @w3dhub_logo.width * (0.6 + Math.cos(Gosu.milliseconds / 1000.0 * Math::PI).abs * 0.05), 128, 0xaa_353535, 32)
+        Gosu.draw_circle(window.width / 2, window.height / 2,
+                         @w3dhub_logo.width * (0.6 + Math.cos(Gosu.milliseconds / 1000.0 * Math::PI).abs * 0.05), 128, 0xaa_353535, 32)
         @w3dhub_logo.draw_rot(window.width / 2, window.height / 2, 32)
 
         super
@@ -147,28 +149,26 @@ class W3DHub
         }
 
         @status_label.value = "Checking uplink..."
-        domains.each do |key, value|
-          begin
-            Resolv.getaddress(key.to_s)
-          rescue => e
-            logger.error(LOG_TAG) {"Failed to resolve hostname: #{key.to_s}"}
-            logger.error(LOG_TAG) {e}
+        domains.each do |key, _value|
+          Resolv.getaddress(key.to_s)
+        rescue StandardError => e
+          logger.error(LOG_TAG) { "Failed to resolve hostname: #{key}" }
+          logger.error(LOG_TAG) { e }
 
-            push_state(
-              ConfirmDialog,
-              title: "DNS Resolution Failure",
-              message: "Failed to resolve: #{key.to_s}\n\nTry disabling VPN or proxy if in use.\n\n\nContinue offline?",
-              cancel_callback: ->() { window.close },
-              accept_callback: ->() {
-                @offline_mode = true
-                Store.offline_mode = true
-                @tasks[:connectivity_check][:complete] = true
-              }
-            )
+          push_state(
+            ConfirmDialog,
+            title: "DNS Resolution Failure",
+            message: "Failed to resolve: #{key}\n\nTry disabling VPN or proxy if in use.\n\n\nContinue offline?",
+            cancel_callback: -> { window.close },
+            accept_callback: lambda {
+              @offline_mode = true
+              Store.offline_mode = true
+              @tasks[:connectivity_check][:complete] = true
+            }
+          )
 
-            # Prevent task from being marked as completed
-            return false
-          end
+          # Prevent task from being marked as completed
+          return false
         end
 
         @tasks[:connectivity_check][:complete] = true
@@ -187,7 +187,9 @@ class W3DHub
 
             @tasks[:service_status][:complete] = true
           else
-            BackgroundWorker.foreground_job(-> {}, ->(_) { @status_label.value = I18n.t(:"boot.w3dhub_service_is_down") })
+            BackgroundWorker.foreground_job(-> {}, lambda { |_|
+              @status_label.value = I18n.t(:"boot.w3dhub_service_is_down")
+            })
             @tasks[:service_status][:complete] = true
 
             @offline_mode = true
@@ -199,7 +201,7 @@ class W3DHub
       def launcher_updater
         @status_label.value = "Checking for Launcher updates..." # I18n.t(:"boot.checking_for_updates")
 
-        Api.on_thread(:fetch, "https://api.github.com/repos/Inq8/CAmod/releases/latest") do |response|
+        Api.on_thread(:fetch, "https://api.github.com/repos/cyberarm/w3d_hub_linux_launcher/releases/latest") do |response|
           if response.status == 200
             hash = JSON.parse(response.body, symbolize_names: true)
             available_version = hash[:tag_name].downcase.sub("v", "")
@@ -232,7 +234,7 @@ class W3DHub
             @tasks[:applications][:complete] = true
           else
             # FIXME: Failed to retreive!
-            BackgroundWorker.foreground_job(-> {}, ->(_){ @status_label.value = "FAILED TO RETREIVE APPS LIST" })
+            BackgroundWorker.foreground_job(-> {}, ->(_) { @status_label.value = "FAILED TO RETREIVE APPS LIST" })
 
             @offline_mode = true
             Store.offline_mode = true
@@ -246,6 +248,7 @@ class W3DHub
         @status_label.value = "Retrieving application icons, this might take a moment..." # I18n.t(:"boot.checking_for_updates")
 
         packages = []
+        failure = false
         Store.applications.games.each do |app|
           packages << { category: app.category, subcategory: app.id, name: "#{app.id}.ico", version: "" }
         end
@@ -261,21 +264,32 @@ class W3DHub
 
             regenerate = false
 
-            broken_or_out_dated_icon = Digest::SHA256.new.hexdigest(File.binread(path)).upcase != package.checksum.upcase if File.exist?(path)
+            if File.exist?(path)
+              broken_or_out_dated_icon = Digest::SHA256.new.hexdigest(File.binread(path)).upcase != package.checksum.upcase
+            end
 
             if File.exist?(path) && !broken_or_out_dated_icon
               regenerate = !File.exist?(generated_icon_path)
             else
-              Cache.fetch_package(package, proc {})
-              regenerate = true
+              begin
+                Cache.fetch_package(package, proc {})
+                regenerate = true
+              rescue Errno::EACCES => e
+                failure = true
+                push_state(MessageDialog, title: "Fatal Error",
+                                          message: "Directory Permission Error (#{e.class}):\n#{e}.\n\nIs the required drive mounted?",
+                                          accept_callback: -> { window.close })
+              end
             end
 
-            if regenerate
-              BackgroundWorker.foreground_job(-> { ICO.new(file: path) }, ->(result) { result.save(result.images.max_by(&:width), generated_icon_path) })
-            end
+            next unless regenerate
+
+            BackgroundWorker.foreground_job(-> { ICO.new(file: path) }, lambda { |result|
+              result.save(result.images.max_by(&:width), generated_icon_path)
+            })
           end
 
-          @tasks[:app_icons][:complete] = true
+          @tasks[:app_icons][:complete] = true unless failure
         end
       end
 
@@ -296,7 +310,8 @@ class W3DHub
           package_details&.each do |package|
             next if package.error?
 
-            package_cache_path = Cache.package_path(package.category, package.subcategory, package.name, package.version)
+            package_cache_path = Cache.package_path(package.category, package.subcategory, package.name,
+                                                    package.version)
 
             missing_or_broken_image = File.exist?(package_cache_path) ? Digest::SHA256.new.hexdigest(File.binread(package_cache_path)).upcase != package.checksum.upcase : true
 
@@ -356,7 +371,7 @@ class W3DHub
             "web-links": [],
             "extended-data": [
               { name: "colour", value: game[:colour] },
-              { name: "usesEngineCfg", value: game[:uses_engine_cfg] },
+              { name: "usesEngineCfg", value: game[:uses_engine_cfg] }
             ]
           }
 

lib/states/welcome.rb

@@ -10,7 +10,7 @@ class W3DHub
         flow(width: 1.0, height: 1.0, background_image: "#{GAME_ROOT_PATH}/media/banners/background.png", background_image_color: 0xff_525252, background_image_mode: :fill) do
           flow(fill: true)
 
-          @card_container = stack(width: 1.0, max_width: MAX_PAGE_WIDTH, height: 1.0, max_height: 720, margin: 128, padding: 16) do
+          @card_container = stack(width: 1.0, max_width: MAX_PAGE_WIDTH, height: 1.0, max_height: 720, margin: 64, v_align: :center, h_align: :center, padding: 16) do
             background 0xaa_353535
           end
 
@@ -24,9 +24,12 @@ class W3DHub
 
       def card_welcome
         stack(width: 1.0, fill: true) do
-          banner "Welcome", width: 1.0, border_thickness_bottom: 4, border_color_bottom: 0xff_000000
+          banner "Welcome", width: 1.0, border_thickness_bottom: 4, border_color_bottom: 0xff_0074e0
           title "Welcome to the #{I18n.t(:app_name_simple)}"
-          caption "The #{I18n.t(:app_name_simple)} is a one-stop shop for your W3D gaming needs, providing game downloads, automatic updating, an integrated server browser, and centralized management of in-game options.", width: 1.0, margin_left: 32
+          caption "The #{I18n.t(:app_name_simple)} is a one-stop shop for your W3D gaming needs, providing game downloads, "\
+                  "automatic updating, an integrated server browser, and centralized management of in-game options.", width: 1.0, margin_left: 32
+
+          image "#{GAME_ROOT_PATH}/media/icons/app.png", height: 256
         end
 
         flow(width: 1.0, height: 46) do
@@ -44,14 +47,25 @@ class W3DHub
 
       def card_getting_started
         stack(width: 1.0, fill: true) do
-          banner "Getting Started", width: 1.0, border_thickness_bottom: 4, border_color_bottom: 0xff_000000
-          title "Import C&C Renegade"
-          caption "You can import your installed copy of Renegade if it wasn't automatically imported from the Games tab. If you need to procure a copy of Renegade, EA's Origin Store has the Command & Conquer The Ultimate Collection available. We cannot provide Renegade for installation.", width: 1.0, margin_left: 32
+          banner "Getting Started", width: 1.0, border_thickness_bottom: 4, border_color_bottom: 0xff_0074e0
+          title "Import Command & Conquer: Renegade"
+          caption "You can import your installed copy of Renegade if it wasn't automatically imported from the Games tab.\n"\
+                  "If you need to procure a copy of Renegade, Both Steam and the EA App have the Command & Conquer The Ultimate Collection available for purchase. "\
+                  "We cannot provide Renegade for installation.", width: 1.0, margin_left: 32
 
-          stack(width: 1.0, height: 2, background: 0x88_ffffff)
+          stack(width: 1.0, height: 2, background: 0xff_0074e0, margin_top: 16, margin_bottom: 16)
 
           title "Install one of our standalone games"
-          caption "Browse our selection of games from the left panel of the Games tab.\n• Interim Apex - Renegade but with hundreds of vehicles and characters.\n• Red Alert: A Path Beyond - DESCRIPTION\n• Tiberian Sun: Reborn - DESCRIPTION\n\nAnd more... Check out the left panel on the Games tab.", width: 1.0, margin_left: 32
+          stack(width: 1.0, fill: true, margin_left: 32) do
+            tagline "Interim Apex"
+            caption "An expanded boots on the ground conflict set after the advent of Tiberian Dawn and the inter-war period between Tiberian Dawn and Tiberian Sun.", margin_left: 16
+            tagline "Red Alert 2: Apocalypse Rising"
+            caption "A multiplayer first-and-third-person shooter set in the vibrant universe of Command & Conquer: Red Alert 2. ", margin_left: 16
+            tagline "Tiberian Sun: Reborn"
+            caption "A standalone first-person shooter set in the Tiberian Sun universe.", margin_left: 16
+            para ""
+            caption "And more games! See them all on the Games tab."
+          end
         end
 
         flow(width: 1.0, height: 46) do
@@ -66,25 +80,22 @@ class W3DHub
           end
 
           button "Next >" do
-            @card_container.clear { card_communitiy }
+            @card_container.clear { W3DHub.unix? ? card_wine : card_community }
           end
         end
       end
 
-      def card_communitiy
+      def card_wine
         stack(width: 1.0, fill: true) do
-          banner "W3D Hub Community", width: 1.0, border_thickness_bottom: 4, border_color_bottom: 0xff_000000
-          title "Forums"
-          caption "Join our forum community", margin_left: 32
-
-          title "Facebook"
-          caption "Like us on Facebook", margin_left: 32
-
-          title "Discord"
-          caption "Join our Discord community server", margin_left: 32
-
-          title "YouTube"
-          caption "Subscribe to our YouTube channel", margin_left: 32
+          banner "Wine - Windows compatibility layer", width: 1.0, border_thickness_bottom: 4, border_color_bottom: 0xff_0074e0
+          stack(width: 1.0, fill: true, margin_left: 32) do
+            title "Got Wine?"
+            caption "The launcher requires a windows compatibility tool like wine in order to run the games.", margin_left: 32
+            caption "Install wine and winetricks through your distribution's package manager or use a wine manager like Bottles.", margin_left: 32
+            link "See most up to date instructions on the wiki.", tip: "https://github.com/cyberarm/w3d_hub_linux_launcher/wiki/Getting-Started-With-Wine", margin_top: 16, margin_left: 32, border_color_bottom: 0xff_777777 do
+              W3DHub.url("https://github.com/cyberarm/w3d_hub_linux_launcher/wiki/Getting-Started-With-Wine")
+            end
+          end
         end
 
         flow(width: 1.0, height: 46) do
@@ -92,6 +103,52 @@ class W3DHub
             button "< Back" do
               @card_container.clear { card_getting_started }
             end
+
+            link "Skip", border_color_bottom: 0xff_777777, margin_left: 16 do
+              pop_state
+            end
+          end
+
+          button "Next >" do
+            @card_container.clear { card_community }
+          end
+        end
+      end
+
+      def card_community
+        stack(width: 1.0, fill: true) do
+          banner "W3D Hub Community", width: 1.0, border_thickness_bottom: 4, border_color_bottom: 0xff_0074e0
+          title "W3D Hub"
+          link "Visit website", tip: "https://w3dhub.com", margin_left: 32, border_color_bottom: 0xff_777777 do
+            W3DHub.url("https://w3dhub.com")
+          end
+
+          title "Forum"
+          link "Join our forum community", tip: "https://w3dhub.com/forum", margin_left: 32, border_color_bottom: 0xff_777777 do
+            W3DHub.url("https://w3dhub.com/forum")
+          end
+
+          title "Facebook"
+          link "Like us on Facebook", tip: "https://www.facebook.com/w3dhub/", margin_left: 32, border_color_bottom: 0xff_777777 do
+            W3DHub.url("https://www.facebook.com/w3dhub/")
+          end
+
+          title "Discord"
+          link "Join our Discord community server", tip: "https://discord.gg/jMmmRa2", margin_left: 32, border_color_bottom: 0xff_777777 do
+            W3DHub.url("https://discord.gg/jMmmRa2")
+          end
+
+          title "YouTube"
+          link "Subscribe to our YouTube channel", tip: "https://www.youtube.com/@w3dhub-official", margin_left: 32, border_color_bottom: 0xff_777777 do
+            W3DHub.url("https://www.youtube.com/@w3dhub-official")
+          end
+        end
+
+        flow(width: 1.0, height: 46) do
+          flow(fill: true, height: 1.0) do
+            button "< Back" do
+              @card_container.clear { W3DHub.unix? ? card_wine : card_getting_started }
+            end
           end
 
           button "Done" do

lib/version.rb

@@ -1,4 +1,4 @@
 class W3DHub
   DIR_NAME = "W3DHubAlt".freeze
-  VERSION = "0.8.1".freeze
+  VERSION = "0.9.2".freeze
 end

lib/websocket_client.rb

@@ -0,0 +1,75 @@
+class W3DHub
+  class WebSocketClient
+    def initialize
+      @errored = nil
+      @connection = nil
+
+      @events = {
+        open: nil,
+        message: nil,
+        close: nil,
+        error: nil
+      }
+    end
+
+    def connect(endpoint, headers: nil, &block)
+      yield(self)
+
+      Sync do |task|
+        ssl_context = W3DHub.ca_bundle_path ? OpenSSL::SSL::SSLContext.new : nil
+        ssl_context&.alpn_protocols = Async::HTTP::Protocol::HTTP11.names
+        ssl_context&.set_params(
+          ca_file: W3DHub.ca_bundle_path,
+          verify_mode: OpenSSL::SSL::VERIFY_PEER
+        )
+
+        endpoint = Async::HTTP::Endpoint.parse(endpoint, alpn_protocols: Async::HTTP::Protocol::HTTP11.names, ssl_context: ssl_context)
+
+        Async::WebSocket::Client.connect(endpoint, headers: headers) do |connection|
+          @connection = connection
+
+          @events[:open]&.call
+
+          while message = connection.read
+            @events[:message].call(message)
+          end
+        # FIXME: Don't rescue for all ta errors?
+        rescue => error
+          @errored = true
+          @events[:error]&.call(error)
+        ensure
+          @events[:close]&.call unless @errored
+          @connection = nil
+          @errored = false
+        end
+      end
+
+      self
+    end
+
+    def on(event, &block)
+      raise "Event must be a symbol" unless event.is_a?(Symbol)
+      raise "Unknown event: #{event.inspect}" unless @events.keys.include?(event)
+      raise "No block given for #{event.inspect}" unless block_given?
+
+      @events[event] = block
+    end
+
+    def send(data, type: :text)
+      @connection&.write(data)
+      @connection&.flush
+    end
+
+    def close
+      @connection&.close
+    end
+
+    def open?
+      !closed?
+    end
+
+    def closed?
+      @connection&.closed?
+    end
+  end
+end

lib/window.rb

@@ -2,7 +2,7 @@ class W3DHub
   class Window < CyberarmEngine::Window
     def setup
       self.show_stats_plotter = false
-      self.caption = I18n.t(:app_name)
+      self.caption = "#{I18n.t(:app_name)} v#{VERSION}"
 
       Store[:server_list] = []
       Store[:settings] = Settings.new
@@ -17,8 +17,8 @@ class W3DHub
       end
 
       # push_state(W3DHub::States::DemoInputDelay)
-      # push_state(W3DHub::States::Welcome)
       push_state(W3DHub::States::Boot)
+      push_state(W3DHub::States::Welcome) unless File.exist?(SETTINGS_FILE_PATH)
       # push_state(W3DHub::States::DirectConnectDialog)
       # push_state(W3DHub::Asterisk::States::IRCProfileForm)
     end

lib/ww_mix.rb

@@ -0,0 +1,287 @@
+require "digest"
+require "stringio"
+
+class W3DHub
+  # Reimplementating MIX1 reader/writer with years more
+  # experience working with these formats and having then
+  # advantage of being able to reference the renegade source
+  # code :)
+  class WWMix
+    MIX1_HEADER = 0x3158494D
+    MIX2_HEADER = 0x3258494D
+
+    MixHeader = Struct.new(
+      :mime_type, # int32
+      :file_data_offset, # int32
+      :file_names_offset, # int32
+      :_reserved # int32
+    )
+
+    EntryInfoHeader = Struct.new(
+      :crc32, # uint32
+      :content_offset, # uint32
+      :content_length # uint32
+    )
+
+    class Entry
+      attr_accessor :path, :name, :info, :blob, :is_blob
+
+      def initialize(name:, path:, info:, blob: nil)
+        @name = name
+        @path = path
+        @info = info
+        @blob = blob
+
+        @info.content_length = blob.size if blob?
+      end
+
+      def blob?
+        @blob
+      end
+
+      def calculate_crc32
+        Digest::CRC32.hexdigest(@name.upcase).upcase.to_i(16)
+      end
+
+      # Write entry's data to stream.
+      # Caller is responsible for ensuring stream is valid for writing
+      def copy_to(stream)
+        if blob?
+          return false if @blob.size.zero?
+
+          stream.write(blob)
+          return true
+        else
+          if read
+            stream.write(@blob)
+            @blob = nil
+            return true
+          end
+        end
+
+        false
+      end
+
+      def read
+        return false unless File.exist?(@path)
+        return false if File.directory?(@path)
+        return false if File.size(@path) < @info.content_offset + @info.content_length
+
+        @blob = File.binread(@path, @info.content_length, @info.content_offset)
+
+        true
+      end
+    end
+
+    attr_reader :path, :encrypted, :entries, :error_reason
+
+    def initialize(path:, encrypted: false)
+      @path = path
+      @encrypted = encrypted
+      @entries = []
+
+      @error_reason = ""
+    end
+
+    # Load entries from MIX file. Entry data is NOT loaded.
+    # @return true on success or false on failure. Check m_error_reason for why.
+    def load
+      unless File.exist?(@path)
+        @error_reason = format("Path does not exist: %s", @path)
+        return false
+      end
+
+      if File.directory?(@path)
+        @error_reason = format("Path is a directory: %s", @path)
+        return false
+      end
+
+      File.open(@path, "rb") do |f|
+        header = MixHeader.new(0, 0, 0, 0)
+        header.mime_type = read_i32(f)
+        header.file_data_offset = read_i32(f)
+        header.file_names_offset = read_i32(f)
+        header._reserved = read_i32(f)
+
+        unless header.mime_type == MIX1_HEADER || header.mime_type == MIX2_HEADER
+          @error_reason = format("Invalid mime type: %d", header.mime_type)
+          return false
+        end
+
+        @encrypted = header.mime_type == MIX2_HEADER
+
+        # Read entry info
+        f.pos = header.file_data_offset
+        file_count = read_i32(f)
+
+        file_count.times do |i|
+          entry_info = EntryInfoHeader.new(0, 0, 0)
+          entry_info.crc32 = read_u32(f)
+          entry_info.content_offset = read_u32(f)
+          entry_info.content_length = read_u32(f)
+
+          @entries << Entry.new(name: "", path: @path, info: entry_info)
+        end
+
+        # Read entry names
+        f.pos = header.file_names_offset
+        file_count = read_i32(f)
+
+        file_count.times do |i|
+          @entries[i].name = read_string(f)
+        end
+      end
+
+      true
+    end
+
+    def save
+      unless @entries.size.positive?
+        @error_reason = "No entries to write."
+        return false
+      end
+
+      if File.directory?(@path)
+        @error_reason = format("Path is a directory: %s", @path)
+        return false
+      end
+
+      File.open(@path, "wb") do |f|
+        header = MixHeader.new(encrypted? ? MIX2_HEADER : MIX1_HEADER, 0, 0, 0)
+
+        # write mime type
+        write_i32(f, header.mime_type)
+
+        f.pos = 16
+
+        # sort entries by crc32 of their name
+        sort_entries
+
+        # write file blobs
+        @entries.each do |entry|
+          # store current io position
+          pos = f.pos
+
+          # copy entry to stream
+          entry.copy_to(f)
+
+          # update entry with new offset
+          entry.info.content_offset = pos
+
+          # add alignment padding
+          padding = (-f.pos & 7)
+          padding.times do |i|
+            write_u8(f, 0)
+          end
+        end
+
+        # Save file data offset
+        header.file_data_offset = f.pos
+
+        # write number of entries
+        write_i32(f, @entries.size)
+
+        # write entries file data
+        @entries.each do |entry|
+          write_u32(f, entry.info.crc32)
+          write_u32(f, entry.info.content_offset)
+          write_u32(f, entry.info.content_length)
+        end
+
+        # save file names offset
+        header.file_names_offset = f.pos
+
+        # write number of entries
+        write_i32(f, @entries.size)
+
+        # write entry names
+        @entries.each do |entry|
+          write_string(f, entry.name)
+        end
+
+        # jump to io_position 4
+        f.pos = 4
+        # write rest of header
+
+        write_i32(f, header.file_data_offset)
+        write_i32(f, header.file_names_offset)
+        write_i32(f, header._reserved)
+      end
+
+      true
+    end
+
+    def valid?
+      # ALL entries MUST have unique case-insensitive names
+      @entries.each do |a|
+        @entries.each do |b|
+          next if a == b
+
+          return false if a.name.upcase == b.name.upcase
+        end
+      end
+
+      true
+    end
+
+    def encrypted?
+      @encrypted
+    end
+
+    def add_file(path:, replace: false)
+      return false unless File.exist?(path)
+      return false if File.directory?(path)
+
+      entry = Entry.new(name: File.basename(path), path: path, info: EntryInfoHeader.new(0, 0, File.size(path)))
+      add_entry(entry: entry, replace: replace)
+    end
+
+    def add_blob(path:, blob:, replace: false)
+      info = EntryInfoHeader.new(0, 0, blob.size)
+      entry = Entry.new(name: File.basename(path), path: path, info: info, blob: blob)
+      into.crc32 = @entries.last.calculate_crc32
+
+      add_entry(entry: entry, replace: replace)
+    end
+
+    def add_entry(entry:, replace: false)
+      duplicate = @entries.find { |e| e.name.upcase == entry.name.upcase }
+
+      if duplicate
+        if replace
+          @entries.delete(duplicate)
+        else
+          return false
+        end
+      end
+
+      @entries << entry
+      true
+    end
+
+    def sort_entries
+      return false if @entries.any? { |e| e.info.crc32 == 0 }
+
+      @entries.sort! { |a, b| a.info.crc32 <=> b.info.crc32 }
+
+      true
+    end
+
+    def read_i32(f) = f.read(4).unpack1("l")
+    def read_u32(f) = f.read(4).unpack1("L")
+    def read_u8(f) = f.read(1).unpack1("c")
+    def read_string(f)
+      f.read(read_u8(f)).strip
+    end
+
+    def write_i32(f, value) = f.write([value].pack("l"))
+    def write_u32(f, value) = f.write([value].pack("L"))
+    def write_u8(f, value) = f.write([value].pack("c"))
+    def write_string(f, string)
+      length = string.size + 1 # include null byte
+      write_u8(f, length)
+      f.write(string)
+      write_u8(f, 0) # null byte
+    end
+  end
+end

w3d_hub_linux_launcher.rb

@@ -14,7 +14,10 @@ require "logger"
 require "time"
 require "base64"
 require "zip"
-require "excon"
+require "async"
+require "async/http/endpoint"
+require "async/websocket/client"
+require "async/http/internet/instance"
 
 class W3DHub
   W3DHUB_DEBUG = ARGV.join.include?("--debug")
@@ -32,7 +35,7 @@ class W3DHub
   FileUtils.mkdir_p(CACHE_PATH) unless Dir.exist?(CACHE_PATH)
   FileUtils.mkdir_p(LOGS_PATH) unless Dir.exist?(LOGS_PATH)
 
-  LOGGER = Logger.new("#{LOGS_PATH}/w3d_hub_linux_launcher.log", "daily")
+  LOGGER = W3DHUB_DEBUG ? Logger.new(STDOUT) : Logger.new("#{LOGS_PATH}/w3d_hub_linux_launcher.log", "daily")
   LOGGER.level = Logger::Severity::DEBUG # W3DHUB_DEBUG ? Logger::Severity::DEBUG : Logger::Severity::WARN
 
   LOG_TAG = "W3DHubLinuxLauncher"
@@ -84,11 +87,10 @@ class W3DHub
   BLACK_IMAGE = Gosu::Image.from_blob(1, 1, "\x00\x00\x00\xff")
 end
 
-require "i18n"
-require "websocket-client-simple"
 require "English"
 require "sdl2"
 
+require_relative "lib/i18n"
 I18n.load_path << Dir["#{W3DHub::GAME_ROOT_PATH}/locales/*.yml"]
 I18n.default_locale = :en
 
@@ -102,11 +104,12 @@ require_relative "lib/store"
 require_relative "lib/window"
 require_relative "lib/cache"
 require_relative "lib/settings"
-require_relative "lib/mixer"
+require_relative "lib/ww_mix"
 require_relative "lib/ico"
-require_relative "lib/multicast_server"
+require_relative "lib/broadcast_server"
 require_relative "lib/hardware_survey"
 require_relative "lib/game_settings"
+require_relative "lib/websocket_client"
 require_relative "lib/background_worker"
 require_relative "lib/application_manager"
 require_relative "lib/application_manager/manifest"