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OpenRW

OpenRW is an open source re-implementation of Rockstar Games' Grand Theft Auto III, a classic 3D action game first published in 2001.

OpenRW requires a legitimate copy of the original PC game data in order to run. Without this data it will not be possible to run openrw.

Building

Dependencies:

  • Bullet
  • GLM (0.9.7+)
  • SFML (2.0+)
  • libmad
  • Boost Test

Mac users should install Xcode and these packages from Homebrew:

brew install boost bullet glm mad sfml

Global Options:

  • BUILD_TESTS — Build the test suite
  • BUILD_VIEWER - Build the Qt GUI for viewing data
  • BUILD_SCRIPT_TOOL - Build the script dissassembler

Recomended build

$ mkdir build
$ cd build
$ cmake ../ -DCMAKE_BUILD_TYPE=Release

Running

rwgame

This is the game binary. Before running the game a config file is needed, by default the game will look for ~/.config/OpenRW/openrw.ini, which should look like:

[game]
path=/opt/games/Grand Theft Auto 3/        ; Game data path

[input]
invert_y=0                                 ; Invert camera Y

Eventually the game will write this for you, but currently it must be done by hand.

  • Options:
    • -w n, -h n sets initial window size
    • --newgame starts a new game automatically
  • Controls:
    • W/A/S/D: Move
    • Shift: Sprint
    • Space: Jump
    • F: Enter/Exit Vehicle
    • Mouse Wheel: Cycle weapons
    • Mouse 1: Fire Weapon

rwviewer

This is a Qt tool for opening the game data. It currently supports looking at objects and their models, and a primitive world viewer. It needs more work to be useful for looking inside archives and viewing textures.

Documentation

Run Doxygen on the included Doxyfile to generate documentation.

License

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Third Party Licenses

MAD is licensed under the GNU General Public License

SFML is licensed under the zlib license

Bullet Physics is licensed under the zlib license