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| author | kwolekr <kwolekr@minetest.net> | 2014-12-28 03:09:24 -0500 |
|---|---|---|
| committer | kwolekr <kwolekr@minetest.net> | 2014-12-28 03:09:32 -0500 |
| commit | 8c98f497d957835803dd43a98a23a5d0eb98124c (patch) | |
| tree | e112947d4067132f6adf22d72a37ca38007b5384 | |
| parent | 8334100fe1b1bb40bfebff9ec9780c18fe3fd0c7 (diff) | |
| download | minetest-8c98f497d957835803dd43a98a23a5d0eb98124c.tar.gz minetest-8c98f497d957835803dd43a98a23a5d0eb98124c.tar.bz2 minetest-8c98f497d957835803dd43a98a23a5d0eb98124c.zip | |
PseudoRandom: Expose constant PSEUDORANDOM_MAX
| -rw-r--r-- | src/noise.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/noise.h b/src/noise.h index f2df0ed5a..05c877b32 100644 --- a/src/noise.h +++ b/src/noise.h @@ -30,6 +30,8 @@ #include "irr_v3d.h" #include "util/string.h" +#define PSEUDORANDOM_MAX 32767 + extern FlagDesc flagdesc_noiseparams[]; class PseudoRandom @@ -45,15 +47,15 @@ public: { m_next = seed; } - // Returns 0...32767 + // Returns 0...PSEUDORANDOM_MAX int next() { m_next = m_next * 1103515245 + 12345; - return((unsigned)(m_next/65536) % 32768); + return((unsigned)(m_next/65536) % (PSEUDORANDOM_MAX + 1)); } int range(int min, int max) { - if(max-min > 32768/10) + if (max-min > (PSEUDORANDOM_MAX + 1) / 10) { //dstream<<"WARNING: PseudoRandom::range: max > 32767"<<std::endl; assert(0); |