Eclipse

From OpenTTD

Eclipse is plugin based IDE for many languanges. If you want to use it to develop or compile OpenTTD, you have to install some additional plugins.

[edit] Eclipse

You can download Eclipse and install it on your computer, but eclipse is originally made for java developement and needs additional plugins to be useful for C/C++ development.

[edit] C/C++ Development Tools Plugins (CDT)

This plugin is working towards providing a fully functional C and C++ Integrated Development Environment (IDE) for the Eclipse platform.

With Eclipse 3.x

Start Eclipse, go to the Help menu->Software Updates->Find and install.
Select "Search for new features to install".
Select "Callisto Discovery Site" ("Europa Discovery Site" for 3.3), leave "Ignore features not applicable to this environment" checked and press Next.
Select any server and press Ok.
Goto "Eclipse C/C++ Development Tools" and check the last version of CDT (currently CDT 4.0.3) and click Next
Accept the license and press Finish.
Follow the dialog prompts, and restart Eclipse. That's all there is to it!
if there are any problems downloading, you can get the plugin as a zip file from http://www.eclipse.org/cdt/

[edit] Subclipse

This plugin adds Subversion integration to the Eclipse IDE.

With Eclipse 3.x

Start Eclipse, go to the Help menu->Software Updates->Find and install. Then add the update site
http://subclipse.tigris.org/update
Obey the dialog prompts, and restart Eclipse. That's all there is to it!
if something goes wrong, check this out http://subclipse.tigris.org/install.html