Added basic dialogs, added 'blindman' implementation of TACNET networking code, added font

lib/tacnet/connection.rb

@@ -0,0 +1,58 @@
+module TAC
+  class TACNET
+    class Connection
+      def initialize(hostname = DEFAULT_HOSTNAME, port = DEFAULT_PORT)
+        @hostname = hostname
+        @port = port
+
+        @last_sync_time = 0
+        @sync_interval = SYNC_INTERVAL
+
+        @last_heartbeat_sent = 0
+        @heartbeat_interval = HEARTBEAT_INTERVAL
+
+        @connection_handler = proc do
+          handle_connection
+        end
+      end
+
+      def connect(error_callback)
+        return if @client
+
+        @client = Client.new
+
+        Thread.new do
+          begin
+            @client.socket = Socket.tcp(@hostname, @port, connect_timeout: 5)
+
+            while @client && @client.connected?
+              if Gosu.milliseconds > @last_sync_time + @sync_interval
+                @last_sync_time = Gosu.milliseconds
+
+                @client.sync(@connection_handler)
+              end
+            end
+
+          rescue => error
+            p error
+            error_callback.call(error)
+          end
+        end
+      end
+
+      def handle_connection
+        if @client && @client.connected?
+          message = @client.gets
+
+          PacketHandler.handle(message) if message
+
+          if Gosu.milliseconds > @last_heartbeat_sent + @heartbeat_interval
+            last_heartbeat_sent = Gosu.milliseconds
+
+            client.puts(PacketHandler.packet_heartbeat)
+          end
+        end
+      end
+    end
+  end
+end