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FreeRCT aims to be a free and open source game which captures the look, feel and gameplay of the popular games RollerCoaster Tycoon 1 and 2.

doc/images/20150609-freerct.png

Building the program

Currently only Linux is officially supported, although Windows should work. Let us know if it's broken.

Almost everything is written in C++, which means you need g++ or clang++ to compile it. FreeRCT uses C++11 features, so g++ 4.8+ or clang 3.3+ is recommended. In addition, you need:

  • lex/flex - Scanner generator for generating RCD input files. (optional)
  • yacc/bison - Parser generator for generating RCD input files. (optional)
  • libpng - Making the RCD data files that contain the graphics and other data read by the program.
  • SDL2 & SDL2-ttf - Displaying graphics of the program. Note that SDL2 versions of both libraries are needed.
  • CMake & make - Building the program.

The existence of these programs/libraries is checked by cmake.

Building is as simple as

$ git clone https://github.com/FreeRCT/FreeRCT.git
$ cd FreeRCT # Go into the downloaded source directory.
$ cmake .    # Checks libraries are where they're supposed to be and replaces some strings
$ make       # Let make do the heavy work.
  • src directory contains the source code of the FreeRCT program itself.
  • src/rcdgen directory contains the source code of the rcdgen program, that builds RCD files from source (which are read by freerct).
  • graphics/rcd directory contains the source files of the RCD data files, except the graphics.
  • graphics/sprites directory contains all the graphics of the game.
  • bin directory contains the actual freerct executable along with some other files required to actually run the program.

The cmake/make commands above will generate the rcdgen program, the rcd files and build the 'freerct' program in the src directory.

Config file

Finally, you need a 'freerct.cfg' INI format file next to the 'freerct' program in the bin directory, containing the path to the font file you want to use. It looks like

[font]
medium-size = 12
medium-path = /usr/share/fonts/gnu-free/FreeSans.ttf

This means the medium sized font is 12 points high, and its source font definition file is at the indicated path. Make sure you use a path that actually exists.

The actual file is not that critical, as long as it contains the ASCII characters, in the font-size you mention in the file.

Running the program

Now run the program

$ cd bin
$ ./freerct

or

$ make run

which should open a window containing a piece of greenly coloured flat world, and a toolbar near the left top (see also the pictures in the blog).

Pressing 'q' quits the program.