Subject:
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Re: ldglite 0.9.1 (now with better LEdit emulation)
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Newsgroups:
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lugnet.cad
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Date:
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Sun, 3 Jun 2001 16:30:24 GMT
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Viewed:
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1274 times
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After playing around in the LEdit emulator mode for two minutes or so, the program crached with an illegal operation
message...
/Tore
Don Heyse wrote:
> Hmmm, I didn't get much feedback on the 0.9.0 version of ldglite. No
> problem, I found enough to work on myself and the result is ldglite
> version 0.9.1. For this release I tried to make the LEdit emulation
> more accurate. I also attempted to tweak the graphics a bit for
> better appearance and speed. Here is the changelog.
>
> Made arrow keys more compatible with LEdit in alternate views. Made
> the Turn menu more compatible with LEdit. Added stop-at-current and
> draw-to-current in LEdit options menu. Fixed swap current and next
> piece. Made XOR hilighted parts much more visible by using the
> stencil buffer. This is especially true for head on views where the
> XORed lines tended to cancel each other out. Added -le and -LE
> command line options to start up in LEdit emulation mode. This also
> works if the program name has "ledit" in it. Fixed the documentation
> to say CTRL-Insert (not ALT-Insert) enters the LEdit emulation mode
> with solid moving pieces. Pressing the ALT key in combination with
> Insert or CTRL-Insert will turn on some more LEdit defaults such as
> lines for studs and drawing only up to the current piece. This can be
> done on the command line with -ledit or -LEDIT instead of -le or -LE.
>
> Here's another screenshot:
>
> http://www.brickshelf.com/cgi-bin/gallery.cgi?i=46897
>
> I was surprised how well this works with MESA in Linux considering how
> little I did to tweak it for MESA. (I spent a considerable amount of
> time working around a stencil buffer bug in the Nvidia TNT2 driver for
> Windows). Actually I also did a lot of testing to get the performance
> acceptable on my cheesy 50Mhz 486 Windows95 laptop. I still want to
> implement View Frustrum Culling to really tune it up, but that'll have
> to be a 0.9.2 feature. Also planned for 0.9.2 is the parts.lst
> lookup. I still like the printed parts list better, but hey, sometimes
> you forget to bring it.
>
> Get it here:
>
> http://ldglite.sourceforge.net
>
> Once again, any feedback would be appreciated. You know: bugs, poorly
> emulated features, performance issues, whatever.
>
> Have fun,
>
> Don
>
> In lugnet.cad, Don Heyse writes:
> > LdGLite version 0.9.0 in now available.
> >
> > It now includes an LEdit emulation mode for those times when you just
> > can't resist moving some pieces around in a model. There's no
> > PARTS.LST lookup yet. I just use the printable parts catalog to find
> > the part numbers. Right now there are two ways to move pieces around.
> > The Insert key turns on the LEdit emulation where the pieces move in
> > wireframe XOR mode similar to LEdit. ALT-Insert turns on LEdit
> > emulation where the pieces remain solid while moving. Either way,
> > pressing Insert again turns off the LEdit emulation.
> >
> > If anyone actually ends up using this feature, I'd love some feedback.
> > Because OpenGL has lousy bitblt support without extensions, the speed
> > is a bit slow. I did get some decent performance from a TNT board
> > with GL_KTX_buffer_region support though. I haven't figured out yet
> > which MESA extensions could help, or how to load the extensions.
> >
> > If you're curious I put a screenshot of the LEdit emulation mode in
> > action on the brickshelf.
> >
> > http://www.brickshelf.com/cgi-bin/gallery.cgi?i=45667
> >
> > Get it here:
> >
> > http://ldglite.sourceforge.net
> >
> > Have fun,
> >
> > Don
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