Wesnoth-TC: new tool for artists (Qt4 UI needs betatesters!)

Contribute art for mainline Wesnoth.

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shadowm
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Wesnoth-TC: new tool for artists (Qt4 UI needs betatesters!)

Post by shadowm » November 9th, 2008, 4:48 pm

Wesnoth-TC is a command-line utility that takes a PNG file (or a list of them) as argument and iterates over each one creating separate, team-colorized copies. For instance, wesnoth-tc foo.png creates foo-TC-1.png, foo-TC-2.png, etc., where [1-9] are the default side numbers corresponding to the default team colors (1 = red, 2 = blue, etc.).

Wesnoth-TC can be used to team-colorize units with the magenta key, or flags with the flag_rgb key. It all depends on the parameters you pass to it, with the default source palette being the magenta key, and targets, the different team colors. You can also define your own color ranges and key palettes if you want to.

The latest version is 1.5.1, and can be downloaded from this page in my website, or alternatively, from SourceForge.net.

The distribution includes the full source code, partially taken from the mainline engine, and a sample image that is your generic magenta key swatch, taken from our wiki. For more details on using and installing, read the included README and INSTALL files, respectively.

I'd be particularly interested in seeing a (hopefully cross-platform) GUI frontend to this program so that it is more useful to our less tech-savvy artists.

EDIT: since my website is currently disabled due to funding issues, use the SF.net link instead.
Last edited by shadowm on July 31st, 2012, 5:02 am, edited 9 times in total.
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Re: Wesnoth-TC: new tool for artists

Post by thespaceinvader » November 9th, 2008, 5:23 pm

Awesome.

I share your hope that this will be ported to windows =) I'd do so if I were capable.
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Re: Wesnoth-TC: new tool for artists

Post by shadowm » November 9th, 2008, 5:34 pm

AI just reported compilation errors on libc 2.8. Release 1.0.0a fixes them.
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Re: Wesnoth-TC: new tool for artists

Post by penguin » August 10th, 2009, 4:42 pm

I've made an initial version of a Mac interface. There's a couple things it's missing, like the ability to actually save files, but that can be added later. Please let me know what features you would actually use.

Download: Wesnoth_TC_1.0.zip
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wesnoth_tc_window.png
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Re: Wesnoth-TC: new tool for artists

Post by shadowm » September 27th, 2009, 1:27 am

And now with a git repository:

http://gitorious.org/wesnoth-tc

I'll be cleaning up a lot of the source code of the command line based tool and adding a ~PAL()-like conversion.
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Re: Wesnoth-TC: new tool for artists

Post by A-Red » September 27th, 2009, 1:51 am

For those of us who don't yet have a good grasp on the technical aspects of the game and its use of art, what would this app be used for? My understanding is that units can be recolored with WML (eg Tallin).

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Re: Wesnoth-TC: new tool for artists

Post by Sangel » September 27th, 2009, 3:35 am

A-Red wrote:For those of us who don't yet have a good grasp on the technical aspects of the game and its use of art, what would this app be used for? My understanding is that units can be recolored with WML (eg Tallin).
I assume it's designed so that you can see the effects of your team colour work, while you're working on the sprite, without having to load it up into Wesnoth.
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Re: Wesnoth-TC: new tool for artists

Post by Boucman » September 27th, 2009, 6:31 am

will you add animation support ? :P
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Re: Wesnoth-TC: new tool for artists

Post by shadowm » September 27th, 2009, 6:59 pm

Sangel wrote:I assume it's designed so that you can see the effects of your team colour work, while you're working on the sprite, without having to load it up into Wesnoth.
Exactly.
Boucman wrote:will you add animation support ? :P
It's a command line tool...
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Re: Wesnoth-TC: new tool for artists

Post by Jetrel » September 29th, 2009, 8:12 am

@shadowmaster: I'm not sure penguin informed you, but we've discovered a major endian issue with this (we don't know specifically what's causing it, unless he discovered something after I left). Basically, this doesn't work on PPC - it just passes-through the image without changing it.

Since I have a PPC, that naturally leaves me out in the cold. :augh: I was actually trying to use this for a drake image, and had an ugly surprise.
Boucman wrote:will you add animation support ? :P
That would be very counter-productive, actually. The point of this tool is to produce a single image of a single frame, so you can spend some deep-time (at least 10-30 seconds) poring over the image and making sure you didn't miss any TC pixels. Usually, you TC an image to blue with this tool, since that's so radically different from the magenta.

So, looking at an animation would be useless, because we wouldn't have enough time to study the image and see any offending pixels.

A side use is just seeing what the thing looks like, the primary use is the above. The reason is that loading wesnoth is a [censored]; wesnoth is a bloated space cow that takes a long time to launch - also, scripting the image into the WML is awkward. With this tool, especially when packaged by crimson_penguin with a nice drag-and-drop gui, it's really quick to check.
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Re: Wesnoth-TC: new tool for artists

Post by AI » September 29th, 2009, 10:10 am

Having taken a quick look, there's a ton of shifting to separate 32bit RGBA into its components and then throw them back together. Haven't read all of the code yet, but a quick (and ugly) fix could be to abuse htonl() and ntohl(). I only have access to i386-based systems though, so I can't test whether it works.

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Re: Wesnoth-TC: new tool for artists

Post by solsword » October 1st, 2009, 4:27 am

Also, the TeamColorizer Python script in data/tools/unit_tree/ should (as of r38796) use the same algorithm as Wesnoth proper, and it also now supports picking a color instead of just red (you can even use custom colors if you want). If you're just looking for a command-line tool to use while spriting, that ought to suffice. If *that* has endian issues (which I strongly doubt, since it's basically just a thin front-end to a complicated convert invocation), let me know and I'll do my best to fix it up.
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Teamcolors for everyone! PM me for a teamcolored version of your sprite, or you can do it yourself. If you just happen to like magenta, no hard feelings?

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Re: Wesnoth-TC: new tool for artists

Post by shadowm » October 1st, 2009, 10:09 pm

AI wrote:Having taken a quick look, there's a ton of shifting to separate 32bit RGBA into its components and then throw them back together. Haven't read all of the code yet, but a quick (and ugly) fix could be to abuse htonl() and ntohl(). I only have access to i386-based systems though, so I can't test whether it works.
The online git repository's HEAD should contain a fix for the big-endian problem. But I need someone with a PowerPC Linux or MacOS X platform (with an adequate development environment) to test so I can release 1.5.0.

It also supports plain palette switches now (similar to the game's ~PAL image function), which is great since it already showed me some problems in my palette-switching sprites. :annoyed:
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Re: Wesnoth-TC: new tool for artists

Post by Jetrel » October 3rd, 2009, 12:11 pm

Awesome. Crimson-penguin mentioned to me that you wanted a machine to act as a testbed, and that we can set up my machine as a target to compile to (or his). In either case; we'll probably need him around to help, so we'll see if the three of us can't convene on IRC over the next few days.
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Re: Wesnoth-TC: new tool for artists

Post by BroodKiller » October 30th, 2009, 5:12 pm

I set out and designed a very simple interface around v1.0.0a. As you can see, it's a Win32 port, but I used wxWidgets with the libpng devels, so it should hopefully be fully x-platform, once I finish it. I am currently interfacing it with the program's core - I'm thinking about composing an emulated command line and passing it to the main routine, but it turned out to be more complex than I thought. I'll probably have to strip the source from all the cerr's cout's etc. Any chances you could help me out somehow with this? Or maybe make a dll out of it?
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