lisp-game-dev July 2010

lisp-game-dev@common-lisp.net

12 participants
17 discussions

[lisp-game-dev] lispac: First release
by Mario Castelan Castro 31 Jul '10

31 Jul '10

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 July 30th 2010 in lisp-game-dev(a)common-lisp.net thread "lispac: First release" copy to sorancio AT gmail.com and davazp AT es.gnu.org. Hi. Some days later than planned, but here is the the first "playable" release of lispac, a in-development Common Lisp game similar to the classic Pac-Man. Download tarball at: http://download.savannah.gnu.org/releases/lispac/lispac.tar.bz2. OpenPGP signature (Made using GNU PG): http://download.savannah.gnu.org/releases-noredirect/lispac/lispac.tar.bz2.… To launch lispac use something like: ./cli.lisp -board lambda.pbm -respawn 9.9 -monster-vulnerable-seconds 5 lispac is free software (http://www.gnu.org/philosophy/free-sw.html) released under the GNU General Public License version 3 or any later. A copy is found inside the tarball and in http://www.gnu.org/licenses/gpl-3.0.html. Contributions and ideas are welcome, specially regarding user interface, which is incomplete and ugly by the moment. Regards. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEAREIAAYFAkxTpcEACgkQZ4DA0TLic4jsoQCfVkgLMozUwp2W5umd5vOA+/d0 TBUAniW+EiWABuD37/SX/8ag2Xv5x4ru =7grh -----END PGP SIGNATURE-----

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[lisp-game-dev] Compiling and saving a binary
by Schell Scivally 27 Jul '10

27 Jul '10

Hi guys - my expo game is coming along nicely, but I'd like to compile a binary. In my main.lisp file the code that starts everything looks like this: ; above is a bunch of opengl functions for the game (defun main () (glut:display-window (make-instance 'my-window))) Then, in another file, build.lisp I have: (load "main.lisp"); (sb-ext:save-lisp-and-die "bourtange" :executable t :toplevel 'main) When I run my build script the error I get is this: [undoing binding stack and other enclosing state... done] [saving current Lisp image into bourtange: scanning space for lutexes... writing 6416 bytes from the read-only space at 0x20000000 scanning space for lutexes... writing 8032 bytes from the static space at 0x20100000 scanning space for lutexes... fatal error encountered in SBCL pid 19099(tid 140735077362720): no size function for object at 0x003f1be0 (widetag 0xe0) It's a little cryptic (since I don't know what's at 0x003f1be0) and there aren't a lot of leads on google. Does anyone have a quick idea of what I might need to do to compile this binary? Thanks guys. -- Schell Scivally schell(a)efnx.com (efsubenovex(a)gmail.com) http://blog.efnx.com http://github.com/efnx

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[lisp-game-dev] Announcing official lispbuilder-sdl-binaries downloads for OS X
by Elliott Slaughter 27 Jul '10

27 Jul '10

Hi everyone, Over the last couple of weeks, I have been working on providing lispbuilder-sdl-binaries for OS X which allow people to get up and running without needing a working C compiler. I am happy to announce that these binaries are now available at the following link: http://code.google.com/p/lispbuilder/downloads/list?can=2&q=mac-lispbuilder… For those of you who want a simple install, just extract these archives over your preexisting lispbuilder-sdl install. (They only contain C binaries, and not the Lisp source code.) TODO: Make them asdf-installable. Shouldn't be hard, now that they work. The gory details: See the application-builder mailing list archives. -- Elliott Slaughter "Don't worry about what anybody else is going to do. The best way to predict the future is to invent it." - Alan Kay

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[lisp-game-dev] New game: lispac
by Mario Castelan Castro 25 Jul '10

25 Jul '10

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 July 24th 2010 in lisp-game-dev(a)common-lisp.net thread "lispac (New game)". Hi. Based on an anonymous contribution I'm writing a game similar to the classic Pac-Man in Common Lisp using the lispbuilder-sdl library which I would like to add to the Lisp Games Expo 2010 if possible. It isn't playable yet in the sense the game can't be fully controled by the GUI. It's nessesary to use the REPL to configure the settings and load a board for example, but the engine is fully functional, though not finished. The first playable release is planned to be in 3 days, in July 27th. I will also publish screen shots and so. Suggesstions are welcome. lispac is hosted in GNU Savannah: https://sv.gnu.org/p/lispac. Source code is available via GIT in git://git.sv.gnu.org/lispac.git. Web page (Void by the moment) will be http://www.nongnu.org/lispac/. lispac is free software released under the GNU General Public License (http://www.gnu.org/licenses/gpl-3.0.html) version 3 or optionally any later version. Regards. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEAREIAAYFAkxLis8ACgkQZ4DA0TLic4h5zQCfYL31dnCUmTUCqI5yeh4jrWnu HLIAnj7g3UJdzxwZ0ie982haaUdMUoLh =Idxd -----END PGP SIGNATURE-----

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[lisp-game-dev] RemixThisGame
by David O'Toole 24 Jul '10

24 Jul '10

Hello and thanks for signing up for the REMIX THIS GAME remix party. We have five entrants so far, including me. (Since I am also the judge, I am disqualified from winning :) Would you be interested in joining the mailing list to discuss our projects? http://common-lisp.net/mailman/listinfo/lisp-game-dev is the signup page. The #lispgames crowd have been posting progress reports on Expo stuff, and since the remix contest is part of the Expo, you are welcome to jump in. I'd like to keep the blog updated with what people are doing (see http://lispgamesdev.blogspot.com/ for that.) I also encourage using the mailing list for questions and troubleshooting of the remix process, and I will do my best to answer everything. Thanks! -dave

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[lisp-game-dev] [PROGRESS] Engine Troubles over Tentacle Planet, part 2
by Erik Winkels 22 Jul '10

22 Jul '10

Blogged here (with video): http://aerique.blogspot.com/2010/07/ilge-2010-engine-troubles-over-tentacle… 1 Progress ~~~~~~~~~~ Since the last report I've added: a controllable spaceship, bullets, tentacles and I made an unsuccessful attempt at producing a Linux binary. For the controls I use the OIS library. I was already familiar with this due to my clois-lane library. The controls work but don't feel quite right yet and need some minor adjustments. Adding bullets was straightforward. The most time was put into the tentacles and the attempt at making a statically linked Linux binary. The tentacles are Ogre prefab cubes plot along a Bézier curve. The P1 and P2 control points and the P3 end point are assigned a new x,y,z coordinate each frame. This coordinate is picked by walking through 3D Perlin noise with a random movement vector for each point. (The vector was created randomly at creation time, it's stays the same from frame to frame.) The code is a huge mess by now and it is getting in the way. Next priority should be a clean-up. 2 To Do ~~~~~~~ - [X] rolling terrain (high) - [X] controllable spaceship (high) - [ ] improve controls (low): The controls aren't quite there yet, especially moving left and right. - [X] bullets (high) - [X] cmake file (low) - [X] basic tentacles (high) - [ ] shootable tentacles (high) - [ ] collision detection: spaceship vs terrain (high) - [ ] collision detection: spaceship vs all other entities (high) - [ ] tentacles that shoot small spores (medium) - [ ] roaming (bigger) spores that attack the player (medium) - [ ] some minor GUI elements showing the score, highscore and FPS. (high) - [ ] make binary release for Windows (medium) - [ ] spaceship needs to cast a shadow in the terrain to judge heights (high): Solved this by using prefab entities instead of a manual object. - *canceled:* make binary release for Linux (high): This is just too much of a hassle. The Ogre package for Debian didn't come with static libraries and compiling it myself with "--disable-shared --enable-static" didn't produce them either so this is going to take too much time. Eventually I managed to build static Ogre libraries but ran into other problems when compiling with "-static". Statically compiling is something I have no experience with and this looks like it is going to take too much time for the ILGE 2010. For Linux it seems distribution by deb and rpm packages will be the best solution. (What a revelation!) 3 Source ~~~~~~~~ The code for the latest version isn't available yet since it is a horrible mess. Keep watching http://www.aerique.net/software/etotp/ (not up yet) if you're interested. 3.1 Linux Dependencies ---------------------- ECL (10.4.1) configured "--with-cxx". (Feel free to try without it, I haven't.) Debian: libogre-dev ogre-plugins-cgprogrammanager

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[lisp-game-dev] [PROGRESS] Browser Lisp
by Eric Bergstrome 22 Jul '10

22 Jul '10

Progress Report #2 My in-browser Lisp has come a long way since the last progress report. * it has support for the following data types: symbols, strings, numbers, conses, functions * it has an online REPL * its compiler is self-hosting * it can inspect and modify browser document nodes and listen to browser events * it can make http requests to the host server * it has some concurrency features inspired by Erlang * it supports resumable breakpoints, error reporting, stack traces, and disassembly It is a Lisp-1 with tail call optimization but not continuations. Macros are unhygienic. It's not exactly the lisp system I envisioned at the beginning and it certainly has used up more of the expo than I had intended to spend on it but hopefully it's good enough to make a game with before the deadline.

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[lisp-game-dev] RFC: Blackthorn Starter Pack
by Elliott Slaughter 21 Jul '10

21 Jul '10

Hi everyone, Earlier today on #lispgames, David hosted a discussion on how to create a nice standalone installer which would make it easy to develop games in Common Lisp. Here's my answer: Introducing the Blackthorn Starter Pack, a standalone collection of libraries which can be used to develop with any game engine that uses lispbuilder-* and/or cl-opengl. The installation procedure goes something like: * Install your favorite Lisp implementation. * Download and extract the Blackthorn Starter Pack<http://code.google.com/p/blackthorn-engine/downloads/list?can=2&q=Component…>for your platform. * Load setup.lisp (e.g. for SBCL, run "sbcl --load setup.lisp"). * And you're ready to go! (Well, not quite. You need a game engine. But you have all the dependencies installed so that should hopefully be easy.) Caveat: The system was originally written with SBCL in mind, but porting it should be pretty trivial, at least for everything which isn't Lispworks Personal Edition. Second Caveat: For Unix flavors, you'll need to install SDL yourself, because it's pretty much impossible to provide binaries for every possible Unix, and package managers do a better job of that anyhow. So that much of the system is working right now. Of course, there are other things which might be nice to have too, including: * An easy way to dump binaries on implementations that allow it. * An easy way to turn binaries into full-featured installers for Windows and apps/dmg files for Mac OS X. * Glue code that will automatically find and load dlls/sos/dylibs before your app starts up so that you don't have to worry about where those files are on the end-user system. For Blackthorn, I've currently hacked these things into a Makefile which I distribute with my engine. But I think it would be not too difficult to provide this functionality as a part of the Starter Pack rather than keeping it in my engine. Oh, and finally: licensing. Blackthorn is under the MIT license. Which makes it possible to use for literally anything. (Of course, the libraries are all under their own licenses and I can't change that. But at least the glue code is under the MIT license.) Thoughts? Anyone interested in using such a system? -- Elliott Slaughter "Don't worry about what anybody else is going to do. The best way to predict the future is to invent it." - Alan Kay

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[lisp-game-dev] [EXPO] submit your blurbs/screenshots
by David O'Toole 18 Jul '10

18 Jul '10

Hi everyone, first thought I would mention a little side show to the Expo, http://dto.github.com/notebook/remix-this-game.html Also, I would like to make a big blog post or page documenting people's progress so far. If you want to be included, please send a paragraph describing your project, a screenshot or two, and a link to your page. Thanks everyone!

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[lisp-game-dev] [PROGRESS] Void Mission Episode 1
by David O'Toole 13 Jul '10

13 Jul '10

Lots of progress, see some youtube videos: http://www.youtube.com/watch?v=DsNBCSa9Ils http://www.youtube.com/watch?v=LvI4cBLX9DI

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lisp-game-dev July 2010