diff options
Diffstat (limited to 'src/server/shared/Utilities/Util.h')
| -rw-r--r-- | src/server/shared/Utilities/Util.h | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/src/server/shared/Utilities/Util.h b/src/server/shared/Utilities/Util.h index 2a776715521..c8883773eed 100644 --- a/src/server/shared/Utilities/Util.h +++ b/src/server/shared/Utilities/Util.h @@ -76,30 +76,23 @@ std::string secsToTimeString(uint64 timeInSecs, bool shortText = false, bool hou uint32 TimeStringToSecs(const std::string& timestring); std::string TimeToTimestampStr(time_t t); -/* Return a random number in the range min..max; (max-min) must be smaller than 32768. */ +/* Return a random number in the range min..max. */ int32 irand(int32 min, int32 max); -/* Return a random number in the range min..max (inclusive). For reliable results, the difference -* between max and min should be less than RAND32_MAX. */ +/* Return a random number in the range min..max (inclusive). */ uint32 urand(uint32 min, uint32 max); -/* Return a random number in the range 0 .. RAND32_MAX. */ -int32 rand32(); +/* Return a random number in the range 0 .. UINT32_MAX. */ +uint32 rand32(); /* Return a random number in the range min..max */ float frand(float min, float max); -/* Return a random double from 0.0 to 1.0 (exclusive). Floats support only 7 valid decimal digits. - * A double supports up to 15 valid decimal digits and is used internally (RAND32_MAX has 10 digits). - * With an FPU, there is usually no difference in performance between float and double. -*/ -double rand_norm(void); - -/* Return a random double from 0.0 to 99.9999999999999. Floats support only 7 valid decimal digits. - * A double supports up to 15 valid decimal digits and is used internally (RAND32_MAX has 10 digits). - * With an FPU, there is usually no difference in performance between float and double. -*/ -double rand_chance(void); +/* Return a random double from 0.0 to 1.0 (exclusive). */ +double rand_norm(); + +/* Return a random double from 0.0 to 100.0 (exclusive). */ +double rand_chance(); /* Return true if a random roll fits in the specified chance (range 0-100). */ inline bool roll_chance_f(float chance) |