lisp-game-dev

lisp-game-dev@common-lisp.net

73 discussions

[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] [PROGRESS] Engine Troubles over Tentacle Planet, part 1
by Erik Winkels 13 Jul '10

13 Jul '10

This is an ASCII version of this blog: http://aerique.blogspot.com/2010/07/ilge-2010-engine-troubles-over-tentacle… 1 Introduction ~~~~~~~~~~~~~~ I've finally managed to scramble together a good couple of hours to work on my [ILGE 2010] entry. At this rate it will be doubtful whether I'll have a minimal game by the end of this month :-( [A video] of the first item that can be checked off the to-do list: rolling terrain. The video is low quality and stutters but this is due to me using sub-optimal software to capture my desktop. The program actually runs very smoothly on both systems I've ran it on (a Samsung NC10 netbook and an Intel P4 2.8Ghz desktop). The video shows the planet on which this game is played. It is a standard heightfield created using [Perlin Noise] (with the CL [Black Tie] library) which keeps scrolling down endlessly until the player dies. [ILGE 2010]: http://dto.github.com/notebook/2010expo.html [A video]: http://www.youtube.com/watch?v=4QljLf9OSi8 [Perlin Noise]: http://en.wikipedia.org/wiki/Perlin_noise [Black Tie]: http://github.com/aerique/black-tie 2 Goal ~~~~~~ Explore the usability of [Ogre] and C++ from [Embeddable Common Lisp] (ECL) using functionality specific to ECL as opposed to using the CFFI approach used by [Okra]. (Since Okra's CFFI approach needs to compile a small C wrapper library to access Ogre's C++ functions anyway.) I will be ignoring any licensing issues that might come with releasing a binary that's statically linked to ECL and Ogre for now. [Ogre]: http://www.ogre3d.org/ [Embeddable Common Lisp]: http://ecls.sourceforge.net/ [Okra]: http://github.com/aerique/okra 3 Development Environment ~~~~~~~~~~~~~~~~~~~~~~~~~ My development environment is Debian Linux. Testing will also be done on Windows (Vista unfortunately) in the future but that hasn't happened yet. 3.1 Dependencies ~~~~~~~~~~~~~~~~ - ECL 10.4.1 - Ogre 1.6.4 - OIS 1.2.0 (not used yet) ECL has been compiled by myself but Ogre and OIS have been installed using Debian's package manager (you need libogre-dev and libois-dev). I have not used Ogre 1.7.x yet but since Ogre's API has been pretty stable in the past it might just work without any changes. 4 TO-DO ~~~~~~~ In chronological order: - [X] rolling terrain - [ ] controllable spaceship - [ ] basic tentacles - [ ] bullets - [ ] shootable tentacles - [ ] tentacles that shoot small spores - [ ] roaming (bigger) spores that attack the player - [ ] collision detection: spaceship vs terrain - [ ] collision detection: spaceship vs all other entities Don't know when: - [ ] some minor GUI elements showing the score, highscore and FPS. 5 Source ~~~~~~~~ The code is not pretty but available here: [http://www.aerique.net/software/etotp/etotp-20100713.tar.gz] I'm slowly moving from using global variables to stuffing everything into a scene-class instance so that will account for any duplication you might see.

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[lisp-game-dev] [PROGRESS] Bunny Slayer
by Elliott Slaughter 09 Jul '10

09 Jul '10

I'm a little late getting out the gate here. I'm working on Bunny Slayer, a Zelda-style RPG about saving the world from the evil Black Bunnies. So far, I've spent most of my time setting up the Blackthorn Starter Pack to make it easy for others to get started with developing games. I've got the process down to about four steps. If you were only interested in running Lispbuilder, you could take that down to two steps by ignoring the parts about Mercurial and Blackthorn. See my Quickstart Guide for details: http://code.google.com/p/blackthorn-engine/wiki/QuickstartGuide So far in Bunny Slayer, I've got a character walking around a black screen. I'm hoping to get some friends involved with the coding this time, so we'll see what comes of it. The other toy I've been playing with lately is Escalator, my new object system for Common Lisp. Escalator is based on several articles I've read on Entity Systems, which are used in various parts of the gaming industry to improve performance and make maintanence more manageable. http://bitbucket.org/elliottslaughter/escalator I'd be interested in seeing what people think of this. -- 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] [PROGRESS] Compiling scheme
by Eric Bergstrome 08 Jul '10

08 Jul '10

Progress Report #1 * I have a site set up for my game: http://norstrulde.org/ilge10/index.html * I have a scheme compiler and abstract machine under way I intend to present the game, its level editor, my daily progress log, and the live lisp system running the game all together on one web page. The lisp system is very closely based on the Compiling Lisp chapter of the book, Paradigms of Artificial Intelligence Programming (PAIP). It includes a parser, compiler, assembler, and abstract machine. Lexical closures and the core special forms are implemented. In the coming days, I will add macros, call/cc, and built-in functions.

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Re: [lisp-game-dev] cl-opengl mac os x
by Schell Scivally 07 Jul '10

07 Jul '10

I've successfully loaded up the cl-opengl-examples. Thanks guys! On Tue, Jul 6, 2010 at 10:48 AM, Schell Scivally <efsubenovex(a)gmail.com> wrote: > Awesome guys. Thanks. > > On Sun, Jul 4, 2010 at 7:17 PM, Patrick Stein <pat(a)nklein.com> wrote: >> I use cl-OpenGL under MacOSX with sbcl all of the time. I had trouble when >> I first tried it through SLIME with a threaded version of SBCL. I think it >> works since I updated my cl-OpenGL install. >> >> I'm working on a tutorial for GLSL through cl-opengl. At the moment though, >> I just have some older GL stuff in cl-opengl on my site: http://nklein.com/ >> >> -- Patrick <pat(a)nklein.com> >> >> On Jul 4, 2010, at 1:23 PM, Schell Scivally <efsubenovex(a)gmail.com> wrote: >> >>> Hi guys, I'm working on a game for the expo competition. Can anyone >>> tell me the shortest path to opengl on mac os x? All the posts I've >>> found are about 2 years old. Have there been any advances on cl-opengl >>> since then? I should also mention that I'm completely new to lisp in >>> general. This is a trial by fire. >>> >>> -- >>> Schell Scivally >>> schell(a)efnx.com (efsubenovex(a)gmail.com) >>> http://efnx.com >>> http://github.com/efnx >>> >>> _______________________________________________ >>> lisp-game-dev mailing list >>> lisp-game-dev(a)common-lisp.net >>> http://common-lisp.net/cgi-bin/mailman/listinfo/lisp-game-dev >> > > > > -- > Schell Scivally > schell(a)efnx.com (efsubenovex(a)gmail.com) > http://blog.efnx.com > http://github.com/efnx > -- 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] [PROGRESS] TB Tanks!
by Brian Taylor 05 Jul '10

05 Jul '10

Progress report #1 I've some of the basics of my game set up at this point: * 2d faked isometric view * sprite rendering * basic player control (moving, firing, weapons selection) * collision detections and explosions 1. Code: http://github.com/netguy204/1MonthLispGame 2. Screenshots: http://wiki.github.com/netguy204/1MonthLispGame/ 3. Latest build: http://github.com/downloads/netguy204/1MonthLispGame/Milestone9.jar Now the more detailed gameplay is starting to materialize in my head. I'm working on adding barriers and other interacting entities to the map and trying to figure out how to make the game feel really competitive while keeping the simplicity of a turn based style.

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[lisp-game-dev] [PROGRESS] hypermedia and sci-fi
by David O'Toole 05 Jul '10

05 Jul '10

I'd love it if people posted brief progress reports to the mailing list, as part of the official conference proceedings. Just put "[PROGRESS]" in the subject line so we can separate them later. Here is my first progress report. 1. http://github.com/dto/hypo My thoughts and some code toward a reproducible-results sort of digital asset management system, with relevance to games. Github's formatter messes it up. To read the raw file, use this link: http://github.com/dto/hypo/raw/master/hypo.org I'm using the Org Babel software described to develop this example Hypo game: 2. http://github.com/dto/xe2/raw/master/void/void.org Detailed story outline and plan for an XE2 game, using much of my existing sci-fi asset library, combined with new NASA imagery-derived texturing. What else are people working on?

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[lisp-game-dev] cl-opengl mac os x
by Schell Scivally 05 Jul '10

05 Jul '10

Hi guys, I'm working on a game for the expo competition. Can anyone tell me the shortest path to opengl on mac os x? All the posts I've found are about 2 years old. Have there been any advances on cl-opengl since then? I should also mention that I'm completely new to lisp in general. This is a trial by fire. -- Schell Scivally schell(a)efnx.com (efsubenovex(a)gmail.com) http://efnx.com http://github.com/efnx

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