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Do you use the Lazarus version of L3DEdit?

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Author Topic: L3DEdit: Lemmings 3D Level Editor - Release topic (V0.45)  (Read 1076 times)

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Offline namida

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L3DEdit: Lemmings 3D Level Editor - Release topic (V0.45)
« on: June 16, 2019, 02:32:31 am »
L3DEdit is a Lemmings 3D level and graphics editor.

Current limitations
- Some obscure level settings are not editable. Most of these are nonetheless preserved.
- Extraction of images with the RLE compression does not work (graphics without that compression, which is most graphic files, can be extracted without issue).
- Almost completely untested with the demos and Winterland. Assume it will only work with the full version (you can, however, use the unique graphic files from Winterland together with the full version of L3D).
- The editor is quite slow. The Delphi build is faster than the Lazarus build; and reducing the resolution under the View menu helps a lot (if it's too small after this change, zoom in - zooming doesn't have much impact on speed). You can also turn off rendering of level components you don't need to see at the time; Land in particular will result in a significant improvement when disabled.

I highly recommend reading the attached manual. You're welcome to ask questions even if the manual might answer them, but reading the manual might get you your answer a bit quicker.





L3DEdit can edit almost everything in a level, but there's a few obscure details I didn't bother to add support for. If you have a specific need for a level feature it doesn't support yet, please request it and I'll see what I can do. You are also, of course, welcome to report bugs. You can make feature requests, but these are very low priority (unless they're easy to implement) at the moment.

As a reminder, L3DEdit is open-source, the source code is available on BitBucket, under the MIT Licence.
L3DEdit is written in Lazarus. The only dependency is Graphics32; either the version from GitHub or the version from Lazarus's Online Package Manager will work.
There is also an alternative branch which compiles under Delphi XE6. This requires obtaining and compiling Graphics32 from GitHub specifically; but also has no dependencies other than Graphics32.

Please be warned: Any side branches may be history-rewritten, at any time, without warning. The "master" branch, the "delphi" branch and the release branches are guaranteed to be safe from this, but any others are not.

This is still an early version. Expect bugs, save often, back up your work, report bugs you do find, and expect updates to occur frequently.

You can file bug reports or feature requests either on Bitbucket (no login required), or as a reply to this topic.

If you want to be able to share replay files for your custom levels, and/or would like a quicker way to launch L3D under DOSBox, check out L3DUtils.

Regarding the three different versions:
L3DEdit.exe is the Lazarus version. This is considered the primary version of L3DEdit. If you find bugs in the Delphi version, see if things work better in the Lazarus version (but still report them either way!).
L3DEditD.exe is the Delphi version. This version runs faster, but has not been tested as much. Try it if you're finding that L3DEdit is very laggy on your PC even after tweaking the rendering settings.
L3DEdit (with no extension) is a Linux build. The Linux build is EXTREMELY experimental and is barely tested at all so far. You will need to de-RNC files manually (or use the Windows build under WINE, if that works).

Generally speaking, I recommend using L3DEditD.exe (the Delphi version) if you don't have a reason to do otherwise.
« Last Edit: July 10, 2019, 02:39:09 am by namida »
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Offline Flopsy

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.22)
« Reply #1 on: June 16, 2019, 01:02:45 pm »
Awesome, this has progressed really fast. I'm still waiting to get a hold of a PC copy of Lemmings 3D right now so I can't look at this right now. Hopefully it won't be long until it arrives.

I can't wait to get stuck into this and report any bugs.

I have downloaded the editor but I'm guessing without the Lemmings 3D PC version, you cannot use it at all?
Don't tell me solutions to levels which I have not solved.

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Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.22)
« Reply #2 on: June 16, 2019, 08:17:32 pm »
Correct, you need the PC version of 3D Lemmings. If you've ordered a legit copy, I'd argue there's nothing wrong with downloading an abandonware copy to use until it arrives - I justified downloading my copy on much lesser grounds (specifically, I did own a legitimate copy but lost the disc a long time ago). I haven't looked much at the Playstation version at all. I vaguely recall the format of the LEVEL.xxx looking pretty similar at a quick glance a long time ago (but do keep in mind I didn't have a very strong understanding of it then), but no idea if that's also true for the corresponding BLK.xxx files, and it almost certianly won't be for the various graphic files - and L3DEdit needs all three.

Otherwise, you can try it with the demos. At this stage, I have no intent to guarantee support for the demos (if it's not too much extra work I'll look into that once it's got full support for the full game), but I did try loading a Lemmings 3D Winterland* level into it at one point and it loaded correctly, at least in terms of what the editor supported at that point. Do be aware that there's an even bigger chance L3DReplay won't work with the demos.

* a Lemmings 3D equivalent to Xmas Lemmings 1991 / 1992. Free, 6 levels, all of which are completely original (not taken from the main game) and have winter-y visuals. Some of them are actually pretty good levels, too.

Quote
Awesome, this has progressed really fast.

Sure has. Less than two weeks from announcement to first release and two levels produced, even if that release is somewhat limited. In practice, I had also been working on L3DEdit for about half a week before anyone other than Pooty (who had been helping me figure out details of how L3D works) knew about it, too. So about two weeks all up.
« Last Edit: June 16, 2019, 08:34:33 pm by namida »
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Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.22)
« Reply #3 on: June 17, 2019, 01:10:10 am »
I've been working on the slow rendering. I think to really get it working at a real-time speed, I'm going to need to completely rewrite the rendering using a GPU-accelerated library, at which point this becomes practically a full rewrite from scratch. The good news - any such rewrite would be much quicker than the original project, as something like 80% of the time spent on this project so far has been figuring out details of how L3D's level files work or how to render the level fairly accurately to what L3D does - effort that won't have to be repeated. And a further 10% or so was figuring out how to produce a good 3Dish render, again, something that now that I know I don't have to figure out again.

However, before I take on such a project, I'd rather have this one working to the point where you can edit everything important - even if it isn't optimal for that. So I'm going to, for now, continue on trying to improve the performance of the current code. So far, I've managed to cut about 20% off the time it takes to render the blocks, which is by far the most time-consuming part of the render (land is a very distant 2nd, and then sky and sea - which get rendered as a combined unit - is close behind in 3rd, for levels that don't have a full-height sky graphic (for ones that do, sky rendering is lightning-fast)).
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Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.23)
« Reply #4 on: June 17, 2019, 03:11:48 am »
Uploaded V0.23. Changes:
- Huge improvements to rendering speed. It's still not great, but now it's just "not great" instead of "awful". I suspect that resolution-wise most people can go to whatever's higher - Medium, or one step up from what they were already using.
- When you import block data from another level, the input field for the current level's texture set is updated to account for this. (The actual level data was always updated, but the text field wasn't, before.)
- If you select a block from the palette, while your current selection is an empty block (ie: none of the slices are present), your current selection is automatically changed back to a full block.
My released level packs:
Lemmings Plus Series | Doomsday Lemmings

Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.24)
« Reply #5 on: June 17, 2019, 09:12:57 am »
Uploaded V0.24. Changes:
- You can now set a few more options relating to how the sea graphic behaves.
- You can now set the flag that replaces drowning with zapping.
- Fixed a few issues with the preset selections for style-related settings.

I've also updated my levels. Space Station and Acrobatics just have cosmetic updates - preview pivot position adjustments and in the latter case some tweaks to the sea. But I've also added a third level, "Activity Center". Like Space Station, this one assumes you've applied the music patch. This one is much less forgiving than the first two were, so bring your best Lemming-ing (though just to be clear - it isn't that tight just to be annoying; it's necessary to prevent backroutes).
« Last Edit: June 17, 2019, 09:39:57 am by namida »
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Lemmings Plus Series | Doomsday Lemmings

Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.25)
« Reply #6 on: June 18, 2019, 11:36:34 pm »
Uploaded V0.25. Changes:
- You can now edit objects. This is still not tested super-intensively, so please report any bugs. HOWEVER - "lemmings walk through them" is NOT a bug, objects are not inherently solid, you must place an invisible (and preferably, indestructible) block in the same place.
- The options for a solid level floor and a slippery level floor are now supported.
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Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.26)
« Reply #7 on: June 19, 2019, 12:29:29 am »
Uploaded V0.26. The only change from V0.25, is that instead of the weird-looking filter effects, it uses an outline to indicate the currently selected layer and block.
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Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.27)
« Reply #8 on: June 19, 2019, 06:06:20 am »
Uploaded V0.27. Changes:
- Special properties of blocks are now displayed at the bottom of the block selection form (mouseover a block to see details about it).
- Metablocks can now be edited. Right click on a metablock to edit it. Shading can't be edited yet - this was an oversight I only realised after uploading, but won't be difficult at all to implement.
- Bug fix: The 3D-effect shading of block faces stopped working at some point; it's been reimplemented now.
- Bug fix: Negative values for sea movement weren't being accepted; they do now.
- Bug fix: The blue Lemgo sea (and theoretically, any custom seas that share its attributes) did not render correctly; it does now.

Pretty much, the only things remaining now that aren't supported are a few obscure flags (and some unknowns), and land areas, as far as I can think of right now. In particular - you can now create a level truly from scratch, you don't have to import a block setup from another level (though it's still probably easier to do that).
My released level packs:
Lemmings Plus Series | Doomsday Lemmings

Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.28)
« Reply #9 on: June 19, 2019, 10:53:30 am »
Uploaded V0.28. Changes:
- Metablock shading can be edited.
- Added a "Clear" button when editing metablock data.
- Shortcut keys have been completely revised, see spoiler tag in first post.
- The "Do you want to save?" check pops up when quitting L3DEdit; previously it only came up when opening a level or creating a new level
My released level packs:
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Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.28)
« Reply #10 on: June 20, 2019, 11:58:26 am »
One thing to be aware of that I've discovered - L3D seems to have a limit on how many block faces it can render. Now, I don't know exactly what does or doesn't count towards this - I've seen a level where this kicks in at around 500 blocks, but there are some official levels with more than that.

One thing I have noticed is - any face touching a block #3, doesn't get rendered - and thus, using block 3 on areas the user will never be able to see, can help avoid this limit. The highest block count is 1227, on Lemlab, a level that very extensively uses block #3. However, the highest block count on a level that doesn't use block 3 at all, which is "A Head Above The Rest", is 825 - well above the 500 that I've seen this effect kick in at.

Anyway, it's probably best to avoid particularly huge levels due to this, at least until we understand exactly how this glitch works.
My released level packs:
Lemmings Plus Series | Doomsday Lemmings

Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.29)
« Reply #11 on: June 20, 2019, 11:42:34 pm »
Uploaded V0.29. Changes:
- Can fill an entire region (rectangular prisms only) with a block or object instead of having to do it block by block.
- Shading of land graphics is now preserved (but not editable or displayed).
- If a level is loaded that has land coordinates in the incorrect order, they will be corrected upon saving the level.
- Block #3's special effect is now mentioned when selecting it in the block selection window.

To fill a region, you must mark one corner, then select the opposite corner. You can mark a corner either by clicking "Mark" then clicking the block to mark, or by mousing over the block you wish to mark and pressing Alt+F. You can then select the corner to fill to either by clicking "Fill Region" then clicking the target block, or by mousing over the target block and pressing Alt+V.
My released level packs:
Lemmings Plus Series | Doomsday Lemmings

Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.30)
« Reply #12 on: June 21, 2019, 11:58:22 pm »
Uploaded V0.30. This is purely a bugfix update.
- Bug fix: The wrong options get checked for metablock face options (but not whole-block options) in most cases.
- Bug fix: A file called "invis.bmp" (containing the face graphic used in place of invisible faces when "No Invisibles" is enabled) was saved every time L3DEdit is run; this was a debug file.
- Bug fix: Pairing icons for paired interactive objects don't get adjusted to the object's vertical position.
- Bug fix: Some objects that have their positions adjusted depending on the block they're placed on the same space as, weren't rendered correctly. This is only fixed for SOME cases, not all of them (generally, it's fixed for the more important and likely-to-see-real-world-usage cases, but not most of the less-likely-to-happen-in-non-troll-levels ones).
My released level packs:
Lemmings Plus Series | Doomsday Lemmings

Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.31)
« Reply #13 on: June 22, 2019, 03:36:35 am »
Uploaded V0.31. Changes:
- The boundary points (which kill any lemmings that go past them) are now editable. Note that there's no Min Y option because (as far as I'm aware) the bottom boundary is not editable.
- When creating a new level, the various graphic assets are set to "None" instead of zero.
- Added the ability to shift the level.
- When increasing / decreasing the currently selected slice of the level, it now wraps around.
My released level packs:
Lemmings Plus Series | Doomsday Lemmings

Offline namida

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Re: [WIP] L3DEdit: Lemmings 3D Level Editor - Release topic (V0.33)
« Reply #14 on: June 22, 2019, 10:31:15 pm »
Uploaded V0.33. (V0.32 was skipped because I discovered a serious bug in it after preparing the release but before uploading it; since the 0.32 release exists as a branch in the repo nonetheless, I decided to make this V0.33.)

Changes from V0.31:
- Fixed a bug in loading / saving border kill points.
- Shading of block faces is now more accurate (though not 100% accurate) to in-game.
- Shading of land is now rendered correctly.

(There's also been a lot of behind-the-scenes work to prepare for editing land, but the actual editing isn't implemented yet.)
My released level packs:
Lemmings Plus Series | Doomsday Lemmings