apb/apbobsbridge.rb: new APB log -> OBS-websocket event system.

1 files changed, 186 insertions, 0 deletions

diff --git a/apb/apbobsbridge.rb b/apb/apbobsbridge.rb
new file mode 100755
index 0000000..de5426b
--- /dev/null
+++ b/apb/apbobsbridge.rb
@@ -0,0 +1,186 @@
+#!/usr/bin/env ruby
+
+# APB/OBS-websocket scene management bridge
+
+require 'json'
+require 'socket'
+require 'openssl'
+require 'websocket'
+require 'net/http'
+require 'pp'
+
+confdir = Dir.home + '/.config/twitch/'
+ENV['APPDATA'] && confdir = ENV['APPDATA'] + "\\twitch\\"
+ENV['XDG_CONFIG_HOME'] && confdir = ENV['XDG_CONFIG_HOME'] + '/twitch/'
+
+access_token = IO.read( confdir + 'access_token' ).chomp
+channel      = IO.read( confdir + 'channel'      ).chomp
+client_id    = IO.read( confdir + 'client_id'    ).chomp
+unix_socket_path =      confdir + 'chat_socket'
+obs_password = IO.read( confdir + 'obs_password' ).chomp
+
+def apbsocketwrite( unix_socket_path, text )
+  unix_socket = UNIXSocket.new( unix_socket_path )
+  unix_socket.print( text )
+rescue
+ensure
+  unix_socket.close
+end
+
+def websocketwrite( json )
+  $tcp_socket.write( WebSocket::Frame::Outgoing::Client.new( data: json, type: :text ).to_s )
+rescue IOError, EOFError
+  $tcp_socket.close
+  websocket_create()
+  retry
+end
+
+# the obsreader thread specially interprets unusual message-id-keyed responses; '1' will be a safe default.
+
+def SetSourceRender( source, render = 'true', id = '1' )
+  websocketwrite( '{ "request-type": "SetSourceRender", "message-id" : "' + id.to_s + '", "source" : "' + source + '", "render" : ' + render.to_s + ' }' )
+end
+
+def GetCurrentScene( id = '1' )
+  websocketwrite( '{ "request-type": "GetCurrentScene", "message-id" : "' + id.to_s + '" }' )
+end
+
+def GetSceneList( id = '1' )
+  websocketwrite( '{ "request-type": "GetSceneList", "message-id" : "' + id.to_s + '" }' )
+end
+
+def SetCurrentScene( scene, id = '1' )
+  websocketwrite( '{ "request-type": "SetCurrentScene", "message-id" : "' + id.to_s + '", "scene-name": "' + scene + '" }' )
+end
+
+def GetStreamingStatus( id = '1' )
+  websocketwrite( '{ "request-type": "GetStreamingStatus", "message-id" : "' + id.to_s + '" }' )
+end
+
+def transientsource( source )
+  Thread.new {
+    SetSourceRender( 'media-' + source , false )
+    sleep 0.1
+    SetSourceRender( 'media-' + source , true )
+    sleep 60
+    SetSourceRender( 'media-' + source , false )
+  }
+end
+
+#json["subscriptions"][0]["user"]["name"]
+
+def websocket_create()
+  begin
+    $tcp_socket = TCPSocket.new( '127.0.0.1', 4444 )
+    $tcp_socket.write( WebSocket::Handshake::Client.new( url: 'ws://localhost/' ).to_s )
+    IO.select( [ $tcp_socket ] )
+    print $tcp_socket.read_nonblock( 4096 )
+    websocketwrite( '{ "request-type": "GetAuthRequired", "message-id" : "1" }' )
+    # Let the obsreader thread do the actual authentication.
+  rescue IOError, EOFError
+    $tcp_socket.close
+    sleep 1
+    retry
+  end
+end
+
+websocket_create()
+frame = WebSocket::Frame::Incoming::Client.new
+frame_decoded = String.new
+status = Hash.new
+$lastworldenter = String.new
+
+def randomyoudied()
+  if rand(5) > 1
+    transientsource( 'youdied' )
+  else
+		transientsource( [ 'youdied-tiggs', 'youdied-nerf', 'youdied-thanksobama' ][rand( 3 )] )
+  end
+end
+
+def log_dispatch( line )
+# 15:22:25 - APB_UI:  UcUIAction_WorldEnter::Activated()  LastPlayedCharacter  = BungMonkey@3002
+# 06:48:07 - APB_UI: Unrecognised tag "Color" in markup text "<col:Action_Enemy>Krezz</col> <col:Action_Enemy_Assist><Color:R=0 G=1 B=0>(+ <Color:R=1 G=0 B=0>Witherr<Color:R=0 G=1 B=0> )</col><hudtexture:KillIcon_SMG_PMG> <col:Action_Team>BungoTheClown</col>" (HUD Message AM_CombatKillOpp)
+# 07:51:34 - APB_UI: Unrecognised tag "Color" in markup text "<col:Action_Enemy>Andromgzeda</col> <col:Action_Enemy_Assist><Color:R=0 G=1 B=0>(+ <Color:R=1 G=0 B=0>Violetta94<Color:R=0 G=1 B=0> )</col><hudtexture:KillIcon_AssaultRifle_NTEC_Scope> <col:Action_Team>Bung</col>" (HUD Message AM_CombatKillOpp)
+  # arg1 may be empty String
+  if ( match = line.match( /^\d\d:\d\d:\d\d\s+-\s+APB_UI:\s+UcUIAction_WorldEnter::Activated\(\)\s+LastPlayedCharacter\s+=\s+([0-9a-zA-Z]+)@\d+/ ) )
+    $lastworldenter = match.to_a[1]  
+    puts "Last world enter updated: #{$lastworldenter}"
+  elsif line =~ /\d\d:\d\d:\d\d\s+-\s+APB_UI:\s+Unrecognised\s+tag\s+"Color"\s+in\s+markup\s+text\s+"<col:Action_Enemy>[0-9a-zA-Z]+<\/col>\s+<col:Action_Enemy_Assist><Color:R=0\s+G=1\s+B=0>\(\+\s+<Color:R=1\s+G=0\s+B=0>[0-9a-zA-Z]+<Color:R=0\s+G=1\s+B=0>\s+\)<\/col><hudtexture:[0-9a-zA-Z_]+>\s+<col:Action_Team>#{$lastworldenter}<\/col>"\s+\(HUD\s+Message\s+AM_CombatKillOpp\)/
+    puts 'You died!'
+		randomyoudied()
+  end
+end
+
+# apblog read loop event thread
+apbreader = Thread.new {
+begin
+  lastline = String.new
+  apblog = IO.popen('/usr/bin/tail -n0 -F /cygdrive/c/Program\ Files\ \(x86\)/Steam/SteamApps/common/APB\ Reloaded/APBGame/Logs/Current.log' )
+#  apblog = IO.popen('/usr/bin/tail -n0 -F /cygdrive/c/cygwin64/home/user/test.log' )
+  apblog.each_line do |line|
+    if lastline != line
+#      puts line
+      log_dispatch( line )
+      lastline = line
+    end
+  end
+rescue
+ensure
+  apblog.close
+end
+}
+
+# websocket read loop event thread
+#obsreader = Thread.new {
+  begin
+    while true
+      frame << $tcp_socket.read_nonblock( 4096 )
+      while ( frame_decoded = frame.next.to_s ) != ""
+        frame_parsed = JSON.parse(frame_decoded)
+        if frame_parsed["update-type"] == "StreamStatus"
+	  status = frame_parsed
+	elsif frame_parsed['current-scene'] && frame_parsed['scenes'] # GetSceneList
+          text = '| Current scene: ' + frame_parsed['current-scene'] + ' | Available: ' + frame_parsed['scenes'].map{|v| v['name'] }.sort.join(' ') + "\n" 
+	  print text
+          #apbsocketwrite( unix_socket_path, text )
+	elsif frame_parsed['name'] && frame_parsed['sources']         # GetCurrentScene
+	  pp frame_parsed
+          text = '| Sources: ' + frame_parsed['sources'].map{|v| v['name'] }.sort.join(' ') + "\n"
+	  print text
+          if frame_parsed['message-id'] == '1' 
+            #apbsocketwrite( unix_socket_path, text )
+          else # other message-ids are a source we want to toggle
+            frame_parsed['sources'].each do |v|
+              if v['name'] == frame_parsed['message-id']
+                if    v['render'] == true
+                  SetSourceRender( v['name'], 'false', '2' )
+                  #apbsocketwrite( unix_socket_path, '| Source ' + v['name'] + " is now unrendered\n" )
+                elsif v['render'] == false
+                  SetSourceRender( v['name'], 'true',  '2' )
+                  #apbsocketwrite( unix_socket_path, '| Source ' + v['name'] + " is now visible\n" )
+                end
+              end
+            end
+          end
+        elsif frame_parsed['update-type'] == 'SwitchScenes'
+          #apbsocketwrite( unix_socket_path, '| Scene is now ' + frame_parsed['scene-name'] + "\n" )
+        #elsif frame_parsed['update-type'] == 'SceneItemVisibilityChanged'
+        #  #apbsocketwrite( unix_socket_path, '| Source ' + frame_parsed['item-name'] + ' visibility is now ' + frame_parsed['item-visible'].to_s + "\n" )
+	elsif frame_parsed['authRequired'] == true                    # GetAuthRequired
+          websocketwrite( '{ "request-type": "Authenticate", "message-id" : "2", "auth" : "' + Digest::SHA256.base64digest(Digest::SHA256.base64digest(obs_password + frame_parsed['salt'])+frame_parsed['challenge']) + '" }' )
+	else
+          print frame_decoded
+        end
+      end
+      #pp JSON.parse(frame_decoded)
+    end
+  rescue IO::WaitReadable, IO::EAGAINWaitReadable, JSON::ParserError
+    IO.select([$tcp_socket])
+    retry
+  rescue IOError, EOFError
+    $tcp_socket.close
+    websocket_create()
+    retry
+  end
+#}