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| author | Brendan Hickey <brendan@bhickey.net> | 2013-03-05 21:01:21 -0800 |
|---|---|---|
| committer | Brendan Hickey <brendan@bhickey.net> | 2013-03-05 21:03:04 -0800 |
| commit | d5dae38f9b7aa4a8f063941057d9dd57454ddc17 (patch) | |
| tree | 3b0b3e09ffa742b12a9363add9424f106f623517 /crawl-ref/source/dgn-proclayouts.cc | |
| parent | 32850401957467ece3ac58d7537b6bbed296569e (diff) | |
| download | crawl-ref-d5dae38f9b7aa4a8f063941057d9dd57454ddc17.tar.gz crawl-ref-d5dae38f9b7aa4a8f063941057d9dd57454ddc17.zip | |
Add Burstiness to clamp layout.
Add a burstiness option to clamp layout.
When picking the turn on which a feature might change, generate two 32-bit
values and AND them together.
Diffstat (limited to 'crawl-ref/source/dgn-proclayouts.cc')
| -rw-r--r-- | crawl-ref/source/dgn-proclayouts.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/crawl-ref/source/dgn-proclayouts.cc b/crawl-ref/source/dgn-proclayouts.cc index 5655067837..ac404fff1f 100644 --- a/crawl-ref/source/dgn-proclayouts.cc +++ b/crawl-ref/source/dgn-proclayouts.cc @@ -278,6 +278,11 @@ ProceduralSample ClampLayout::operator()(const coord_def &p, const uint32_t offset) const { uint32_t order = hash3(p.x, p.y, 0xDEADBEEF); + if (bursty) + { + order &= hash3(p.x + 31, p.y - 37, 0x0DEFACED); + } + order %= clamp; uint32_t clamp_offset = (offset + order) / clamp * clamp; ProceduralSample sample = layout(p, clamp_offset); uint32_t cp = max(sample.changepoint(), offset + order); |