diff options
| author | Brendan Hickey <brendan@bhickey.net> | 2012-12-21 15:46:33 -0500 |
|---|---|---|
| committer | Brendan Hickey <brendan@bhickey.net> | 2012-12-30 19:06:47 -0800 |
| commit | a8ee98a52a4166c3fb29ef981192b9740d06e2a8 (patch) | |
| tree | 0f893ffb34a756b342d18e1ddd283457b950ebfc | |
| parent | dcadfdb8eec9c40abb65b09e115e33f0dfed5558 (diff) | |
| download | crawl-ref-a8ee98a52a4166c3fb29ef981192b9740d06e2a8.tar.gz crawl-ref-a8ee98a52a4166c3fb29ef981192b9740d06e2a8.zip | |
Clarify Perlin Noise Licensing
Explicitly release perlin.cc under CC0.
This file is a C++ port of Stefan Gustavson's public domain java noise implementation.
The original can be retrieved at:
http://webstaff.itn.liu.se/~stegu/simplexnoise/SimplexNoise.java
| -rw-r--r-- | crawl-ref/licence.txt | 2 | ||||
| -rw-r--r-- | crawl-ref/source/perlin.cc | 10 |
2 files changed, 10 insertions, 2 deletions
diff --git a/crawl-ref/licence.txt b/crawl-ref/licence.txt index 83fd6fdaa6..8399076ca2 100644 --- a/crawl-ref/licence.txt +++ b/crawl-ref/licence.txt @@ -11,7 +11,7 @@ Certain pieces come with different licenses, all compatible with the GPL. These include: * 3-clause BSD: MSVC/stdint.h * 2-clause BSD: all contributions by Steve Noonan and Jesse Luehrs -* Public Domain|CC0: most of tiles +* Public Domain|CC0: most of tiles, perlin.cc, perlin.h * MIT: json.cc/json.h, some .js files in webserver/static/scripts/contrib/ worley.{cc,h} * zlib: webserver/static/scripts/contrib/inflate.js diff --git a/crawl-ref/source/perlin.cc b/crawl-ref/source/perlin.cc index 9aec519f81..1266319b47 100644 --- a/crawl-ref/source/perlin.cc +++ b/crawl-ref/source/perlin.cc @@ -1,5 +1,13 @@ /* - * A speed-improved simplex noise algorithm for 2D, 3D and 4D in Java. + * This is a C++ port of version Stefan Gustavson's public domain + * implementation of simplex noise (Version 2012-03-09). + * + * It was ported by Brendan Hickey (brendan@bhickey.net) and released on + * 2012-09-16. + * + * It is made available under the Creative Commons CC0 license. + * + * A speed-improved simplex noise algorithm for 2D, 3D and 4D in C++. * * Based on example code by Stefan Gustavson (stegu@itn.liu.se). * Optimisations by Peter Eastman (peastman@drizzle.stanford.edu). |