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When asked to find a path from multiple source locations, the abstract search is used to determine which source locations are viable. Source locations that cannot be reached on the abstract graph are excluded from the local path search. As we know the locations are unreachable, this prevents the local path search from expanding over the entire search space in an attempt to find these unreachable locations, preventing wasted effort. In order to determine these reachable locations, the abstract search is expanded successively trying to reach each source location each time. However, this failed to account for a property of the ExpandToTarget for which a comment is now added. If the location was found previously, then expanding to try and find it again will fail. If the source locations were close together, it was likely that the initial expansions of the search space would have included them, and thus they would not be found on a later expansion. This would mean these locations would incorrectly be thought unreachable. To fix this, we check if the location has already been explored (has CellStatus.Closed in the graph). If so we can check the cost to determine if it is reachable.
OpenRA
A Libre/Free Real Time Strategy game engine supporting early Westwood classics.
- Website: https://www.openra.net
- Chat: #openra on Libera (web) or Discord
- Repository: https://github.com/OpenRA/OpenRA
Please read the FAQ in our Wiki and report problems at https://github.com/OpenRA/OpenRA/issues.
Join the Forum for discussion.
Play
Distributed mods include a reimagining of
- Command & Conquer: Red Alert
- Command & Conquer: Tiberian Dawn
- Dune 2000
EA has not endorsed and does not support this product.
Check our Playing the Game Guide to win multiplayer matches.
Contribute
- Please read INSTALL.md and Compiling on how to set up an OpenRA development environment.
- See Hacking for a (now very outdated) overview of the engine.
- Read and follow our Code of Conduct.
- To get your patches merged, please adhere to the Contributing guidelines.
Mapping
- We offer a Mapping Tutorial as you can change gameplay drastically with custom rules.
- For scripted mission have a look at the Lua API.
- If you want to share your maps with the community, upload them at the OpenRA Resource Center.
Modding
- Download a copy of the OpenRA Mod SDK to start your own mod.
- Check the Modding Guide to create your own classic RTS.
- There exists an auto-generated Trait documentation to get started with yaml files.
- Some hints on how to create new OpenRA compatible Pixelart.
- Upload total conversions at our Mod DB profile.
Support
- Sponsor a mirror server if you have some bandwidth to spare.
- You can immediately set up a Dedicated Game Server.
License
Copyright 2007-2022 The OpenRA Developers (see AUTHORS) This file is part of OpenRA, which is free software. It is made available to you 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. For more information, see COPYING.