Zitat Zitat von Steam
Updates to Grand Theft Auto IV have been released. The updates will be applied automatically when your Steam client is restarted. The specific changes include:

Graphics
  • Interior Lights for ATI 1900 series cards
    • All light sources appear for users with 1900 series ATI cards. (ie. Pool Mini Game)
    • ALT-TAB fixed
  • Graphics Settings
    • Added menu option "OFF" for Reflection quality
    • Added menu option "OFF" for Shadow quality
  • Scrolling signboards
    • Activate missing scrolling signboard text (ie. highway signs, Star Junction, Clock Tower Sign)

Performance
  • Physics optimizations to improve situations with heavy physics calculations (ie. 32 player races)Graphical Performance Optimizations

Multiplayer
  • NAT Type detection
    • Detect if user has a "strict" NAT and displays message for user
    Voice chat is received even if your microphone is turned off

Controls
  • Keyboard / Mouse
    • Remapping restrictions removed
    • Allow Enter, Backspace, and Arrow keys to be remapped by user
    • Allow multiple mouse buttons to be mapped
  • Enable/Disable DirectInput in Menu
    • Users can now activate/deactivate Direct Input devices from "Controls" menu
    • If commandline "-usedirectinput" is active, it will override pause menu setting
  • Use 2 direct input devices simultaneously (ie. Wheel and Gamepad)
    • Users can now use 2 different controllers at once, including 1 XInput and 1 Direct Input device
  • Added more Direct Input / XInput device support
    • Saitek P380/P480/P580/P990
    • Saitek PS1000/PS2700/P3200/P3600
    • Gravis Eliminator Shock gamepad

Security
  • Detect modified files and prevent users from entering multiplayer if found
    • Game will prompt with a message after blocking user with modified data files from entering multiplayer
    • Should prevent multiplayer access from cell phone and GFWL join in progress
  • Detect modified / non-original game launcher
    • Prevent game from Launching if modifed/non-original game launcher is found
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