55 lines
3.3 KiB
Markdown
55 lines
3.3 KiB
Markdown
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# MTAutocolors
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A tool to generate a colors.txt from the registered nodes of a Minetest server.
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To have a colors.txt for Minetest mapping for example with [MTSatellite](https://bitbucket.org/s_l_teichmann/mtsatellite)
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you need a colors.txt file. You can grab one from [VanessaE](http://digitalaudioconcepts.com/vanessa/hobbies/minetest/colors.txt)
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or build one yourself.
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gravgun wrote the generator [automappercolors](https://github.com/MinetestForFun/minetest-minetestforfun-server/tree/master/mods/automappercolors).
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MTAutocolors is a slightly extended version of this generator being much faster, too (The image processor
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is written in Go instead of Python). It consists of two parts:
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1. The included [mod](https://bitbucket.org/s_l_teichmann/mtautocolors/src/default/mods/automappercolors/) to be installed into your minetest
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server to extract the needed node informations.
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2. The program `mtautocolors` to generate the final colors.txt file from the
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informations gathered by the mod.
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## Build
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Your need a [Go](http://golang.org/) 1.8 or later [installation](https://golang.org/dl/) to compile the program.
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Go 1.9.2+ is recommended as there is a known issue with decoding images in earlier versions.
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Mercurial and Git have to be install installed.
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$ go get -u bitbucket.org/s_l_teichmann/mtautocolors/cmd/mtautocolors
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will result in a binary `mtautocolors` to be put into your PATH.
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## Usage
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Install the [mod](https://bitbucket.org/s_l_teichmann/mtautocolors/src/default/mods/automappercolors/) into your
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Minetest server. Start your game. Now you can type `/amcdumpnodes` as a chat command in the Minetest client. This
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will result in a file `amc_nodes.txt` in the data directory of your world. Once created you can deactivate the
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mod until you install or remove mods or update the game in a way which changes the registered nodes.
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`mtautocolors` needs a few arguments. The path to the `amc_nodes.txt` file generated with the mod and
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paths to the images of your minetest server. This would be the root of the minetest server and/or the folder
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where you have the actual minetest game. Something like this (adjusted to your setting):
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$ mtautocolors -predefined=/predefined.json \
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/home/xyz/minetest/worlds/colors/amc_nodes.txt \
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/home/xyz/minetest/ /home/xyz/minetest_game > colors.txt
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There is an option to overwrite the machine generated behavior for certain kinds
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of nodes with a JSON file. Look at [predefined.json](https://bitbucket.org/s_l_teichmann/mtautocolors/src/default/predefined.json)
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to get the idea. Basically its a list of entries with a regular expression matching the node name
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and a tuple of RGBA values which should be used instead of the machine generated.
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Transparency: Some nodes should be transparent like glass or water. `mtautocolors` only generates
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a alpha channel for nodes with of certain draw types. By default this are the ones which drawtype contains 'glasslike' or 'liquid'.
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This can be overwritten with the `-transparent=` flag.
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This is Free Software under the terms of the MIT license. See [LICENSE](https://bitbucket.org/s_l_teichmann/mtautocolors/src/default/LICENSE)
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for details.
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gravgun's original is covered by the WTFPL license. See [LICENSE](https://bitbucket.org/s_l_teichmann/mtautocolors/src/default/mods/automappercolors/LICENSE)
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for details, too.
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