Draughts Variants — licença
===========================

Esta página roda o Jocly (https://github.com/aclap-dev/jocly), a biblioteca de jogos de tabuleiro de Michel Gutierrez
(@_mig_) e Jérôme Choain (@jcfrog, design gráfico), só com as damas (checkers). O repositório traz o COPYING.md reproduzido abaixo
(texto original) e a GNU Affero General Public License versão 3 (AGPL-3.0.txt), também reproduzida abaixo; o
package.json declara "AGPL-3.0 OR SEE LICENSE IN COPYING.md". Conferido no commit
f06a159c8f7e21483ab63508d94059c0be822ddc (29 de dezembro de 2023).

O que este site serve: a build do commit (npm ci com o package-lock.json do autor e gulp --prod --games, só os jogos
desta página; Builds/build-jocly.sh), com estas mudanças:
- só os tabuleiros 2D: as skins em 3D saem da configuração de cada jogo, e com elas as texturas, os panoramas e os
  arquivos de realidade virtual (nenhuma exigência de WebGL);
- sem os arquivos de som do projeto (res/sounds: aplausos, guilhotina, bomba etc.), que não trazem origem declarada,
  e sem as imagens do site do Jocly (logos de redes sociais etc.); o Jocly deixa de montar os <audio> (uma linha em
  src/core/jocly.game.js);
- uma página de controle nossa (index.html, app.js e app.css, também AGPL-3.0-only) no lugar dos exemplos do projeto;
- de res/ ficam só os arquivos que os jogos desta página usam.
O jogo não carrega nada de outros sites.

Código-fonte correspondente (AGPL-3.0), hospedado junto com os jogos:
- jocly-f06a159.tar.gz: o tarball do commit acima, sem os módulos de outros jogos, os sons, os panoramas, as
  texturas e os modelos 3D (res/xd-view, res/visuals) e os exemplos (nada disso entra na build);
- build-jocly.sh, keep-<família>.txt, web-index.html, web-app.js e web-app.css: o script de build, a lista dos arquivos
  de res/ que a build mantém e a nossa página de controle.

Bibliotecas de terceiros embutidas (COPYING.md: third-party/ e src/lib/ são MIT): three.js (mrdoob e os autores do
three.js), tween.js, threex (Jerome Etienne) e outros trechos dos exemplos do three.js, e o jQuery 3.7.1. Seguem o
texto da licença MIT e o aviso do jQuery.

================================================================================
COPYING.md do Jocly (texto original)
================================================================================

Copying Jocly
=============

Apart for the exceptions specified below, Jocly is released under the Affero
GNU Public License version 3.0 (AGPL v3).

In a nutshell, it means you can copy the Jocly source code, modify it and use it in 
your own projects, assuming the resulting work is released under the same license which 
implies, in particular, that you make the source code available. If the resulting work is running on a 
server and you do not distribute the software, you are still bound to this license (this
is the difference between AGPL and GPL). Read the joined AGPLv3 license file for details.

Exceptions
----------

If the AGPL license is not suitable for your application, Jocly is also available
under a proprietary license that may allow you to create derivative work that is not
subject to the AGPL restrictions. Contact us at license@jocly.com for more information.

Some source code in the Jocly repository is not subject to AGPL:

| Source location | License | Information |
| --- | --- | --- |
| `third-party/` | [MIT](https://opensource.org/licenses/MIT) | original source code available from [https://github.com/mrdoob/three.js](https://github.com/mrdoob/three.js), [https://github.com/tweenjs/tween.js](https://github.com/tweenjs/tween.js), [https://github.com/jeromeetienne/threex](https://github.com/jeromeetienne/threex) |
| `src/lib/` | [MIT](https://opensource.org/licenses/MIT) | derivative work from MIT-licensed projects is also under MIT license |
| `src/games/chessbase/res/**/*.{png,jpg,js}` | [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0/) | artwork is under Creative Commons Attribution-ShareAlike 3.0 license |

================================================================================
Licença MIT das bibliotecas de terceiros (third-party/, src/lib/: three.js, tween.js, threex)
================================================================================

Copyright (c) os autores de three.js (mrdoob e colaboradores), tween.js e threex (Jerome Etienne), conforme os
projetos originais citados no COPYING.md do Jocly.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of
the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

================================================================================
jQuery 3.7.1 (MIT License, texto original de LICENSE.txt do pacote)
================================================================================

Copyright OpenJS Foundation and other contributors, https://openjsf.org/

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

================================================================================
GNU Affero General Public License versão 3 (AGPL-3.0.txt do repositório, texto original)
================================================================================

GNU AFFERO GENERAL PUBLIC LICENSE
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to the third party based on the extent of your activity of conveying
the work, and under which the third party grants, to any of the
parties who would receive the covered work from you, a discriminatory
patent license (a) in connection with copies of the covered work
conveyed by you (or copies made from those copies), or (b) primarily
for and in connection with specific products or compilations that
contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.

  Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.

  12. No Surrender of Others' Freedom.

  If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License.  If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all.  For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.

  13. Remote Network Interaction; Use with the GNU General Public License.

  Notwithstanding any other provision of this License, if you modify the
Program, your modified version must prominently offer all users
interacting with it remotely through a computer network (if your version
supports such interaction) an opportunity to receive the Corresponding
Source of your version by providing access to the Corresponding Source
from a network server at no charge, through some standard or customary
means of facilitating copying of software.  This Corresponding Source
shall include the Corresponding Source for any work covered by version 3
of the GNU General Public License that is incorporated pursuant to the
following paragraph.

  Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU General Public License into a single
combined work, and to convey the resulting work.  The terms of this
License will continue to apply to the part which is the covered work,
but the work with which it is combined will remain governed by version
3 of the GNU General Public License.

  14. Revised Versions of this License.

  The Free Software Foundation may publish revised and/or new versions of
the GNU Affero General Public License from time to time.  Such new versions
will be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.

  Each version is given a distinguishing version number.  If the
Program specifies that a certain numbered version of the GNU Affero General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation.  If the Program does not specify a version number of the
GNU Affero General Public License, you may choose any version ever published
by the Free Software Foundation.

  If the Program specifies that a proxy can decide which future
versions of the GNU Affero General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.

  Later license versions may give you additional or different
permissions.  However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.

  15. Disclaimer of Warranty.

  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

  16. Limitation of Liability.

  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.

  17. Interpretation of Sections 15 and 16.

  If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.

                     END OF TERMS AND CONDITIONS

            How to Apply These Terms to Your New Programs

  If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.

  To do so, attach the following notices to the program.  It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) <year>  <name of author>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

Also add information on how to contact you by electronic and paper mail.

  If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source.  For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code.  There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.

  You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<http://www.gnu.org/licenses/>.