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* PcgRandom: Fix/improve documentationkwolekr2016-06-04
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* Change internal type for seeds to s32kwolekr2016-06-04
| | | | | This fixes value truncation (and therefore incompatibility) on platforms with an LP32 data model, such as VAX or MS-DOS.
* Fix spelling of noise_thresholdJun Zhang2015-12-06
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* Fix Noise compiled under clang >= 3.7.x with -O2 or higherkwolekr2015-11-01
| | | | | | | | | | When compiled with optimizations, the most recent versions of clang seem to 'optimize' out a crucial "and %reg, 0x7FFFFFFF" instruction in noise2d(), probably because it somehow assumed the variable n would never become greater than that amount. Indeed, signed integer underflow is undefined behavior in C and C++, so while this optimization is "correct" in that sense, it breaks lots of existing code. Solved by changing n to an unsigned type, making behavior well-defined.
* Fix Lua PcgRandomest312015-08-12
| | | | | | | | | | | | | | | | Before, this lua code led to a crash: local pcg = PcgRandom(42) local value = pcg:next() This was because if you called s32 PcgRandom::range(min, max) with the minimum and maximum possible values for s32 integers (which the lua binding code did), u32 PcgRandom::range(bound) got called with 0 as the bound. The bound however is one above the maximum value, so 0 is a "special" value to pass to this function. This commit fixes the lua crash by assigning the RNG's full range to the bound 0, which is also fits to the "maximum is bound - 1" principle, as (u32)-1 is the maximum value in the u32 range.
* Remove some old dead code. Fix some Clang warnings in SRP (ng->N... willLoic Blot2015-07-24
| | | | always evaluate to true.
* Misc. minor fixeskwolekr2015-07-10
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* Noise: Fix interpolation at negative coordinateskwolekr2015-05-17
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* Add -Wsign-compare for Clang builds and fix some signed/unsigned compiler ↵kwolekr2015-05-16
| | | | warnings
* Noise: Make buffer size parameters unsignedkwolekr2015-05-15
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* Fix MSVC compatibilitykwolekr2015-04-29
| | | | | | Make sure to include random unittests in android builds, too Use SWAP() macro Ensure that negative ranges are tested as well in random unittests
* Noise: Fix PcgRandom::randNormalDist() when range contains negative numberskwolekr2015-04-27
| | | | | This fixes an issue with erroneous float-to-int rounding that resulted in truncation toward 0, causing a biased distribution.
* Replace PRNG assertions with PrngExceptionkwolekr2015-04-27
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* Noise: Add noise unittestskwolekr2015-04-21
| | | | | Fix buffer size calculation for lacunarity < 1.0 Add guard against absurd noise parameters
* Noise: Correct noise objects created with invalid dimensionskwolekr2015-04-19
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* Fix endianness inconsistency with PcgRandom::bytes()kwolekr2015-03-23
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* Fix some loose ends from 3993093fkwolekr2015-03-22
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* Add support for the PCG32 PRNG algo (and associated script APIs)kwolekr2015-03-22
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* Noise: Don't assume Noise is used for 2D unless gradientMap2D is actually calledkwolekr2014-12-14
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* Clean up Noise macroskwolekr2014-12-11
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* Noise: Automatically transform noise maps if neededkwolekr2014-12-10
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* Noise: Create a deep copy of NoiseParamskwolekr2014-12-10
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* Noise: Update Noise::resizeNoiseBuf to account for lacunarity not equal to 2kwolekr2014-12-09
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* Optimize noise implementationskwolekr2014-12-08
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* Add flags and lacunarity as new noise parameterskwolekr2014-12-07
| | | | | | | Add 'absolute value' option to noise map functions Extend persistence modulation to 3D noise Extend 'eased' option to noise2d_perlin* functions Some noise.cpp formatting fixups
* noise: Throw exception on noise allocation failurekwolekr2014-11-29
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* Add eased 3d point-value noise functionskwolekr2014-11-12
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* Add mgv5. New noise code, uses biome API. Eased 3d noise for terrain, caves, ↵paramat2014-11-08
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* Change license of noise implementation to Simplified BSDkwolekr2014-10-27
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* Add support for eased 3d noisekwolekr2014-10-27
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* Omnicleanup: header cleanup, add ModApiUtil shared between game and mainmenuKahrl2013-08-14
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* Add Mapgen V7, reorganize biomeskwolekr2013-04-07
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* Fix most warnings, re-fix MSVC compile errorkwolekr2013-02-26
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* Update Copyright YearsSfan52013-02-24
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* Change Minetest-c55 to MinetestPilzAdam2013-02-24
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* Fix and improve noise map functionskwolekr2013-02-06
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* Finish and clean up mapgen configurationkwolekr2013-01-21
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* Readded and optimized mapgen V6kwolekr2013-01-21
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* Cleaned & enhanced noise object managementkwolekr2013-01-21
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* Add initial Lua biomedef support, fixed biome selectionkwolekr2013-01-21
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* The new mapgen, noise functions, et al.kwolekr2013-01-21
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* Replace pow() with multiplikation to improve speedPilzAdam2012-11-02
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* Switch the license to be LGPLv2/later, with small parts still remaining as ↵Perttu Ahola2012-06-05
| | | | GPLv2/later, by agreement of major contributors
* updated noise stuffPerttu Ahola2011-06-26
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* New map generator added (and SQLite, messed up the commits at that time...) ↵Perttu Ahola2011-06-25
| | | | (import from temporary git repo)
* tested out and commented out some new stuff for the terrain generator, to be ↵Perttu Ahola2011-04-26
| | | | used in the future.
* mapgen work-in-progressPerttu Ahola2011-03-02
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* mapgen tweakingPerttu Ahola2011-03-01
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* A third try on terrain generation. No trees yet.Perttu Ahola2011-02-28
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* fixed 3d noise and made 2d noise fasterPerttu Ahola2011-02-27
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