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author | Aki <please@ignore.pl> | 2024-03-12 22:07:03 +0100 |
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committer | Aki <please@ignore.pl> | 2024-03-12 22:07:36 +0100 |
commit | 81bb6873f1c0291fecbf6e429ad15ac3db66a4c0 (patch) | |
tree | fd7552ecabeeffb45a1fbe3730ab62bc7a64dd85 /third-party/Opcode/Ice/IceRandom.h | |
parent | f43d32d6d2cc7ecd04f4f06f20d5a6fc2c87c9ae (diff) | |
download | starshatter-81bb6873f1c0291fecbf6e429ad15ac3db66a4c0.zip starshatter-81bb6873f1c0291fecbf6e429ad15ac3db66a4c0.tar.gz starshatter-81bb6873f1c0291fecbf6e429ad15ac3db66a4c0.tar.bz2 |
Legal notices updated
Rename contrib -> third-party intendes to express the origin and purpose
of that part of the code better. I plan to readd contrib/ again but with
more in-project things like bash-completions, dev workflow scripts etc.
Diffstat (limited to 'third-party/Opcode/Ice/IceRandom.h')
-rw-r--r-- | third-party/Opcode/Ice/IceRandom.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/third-party/Opcode/Ice/IceRandom.h b/third-party/Opcode/Ice/IceRandom.h new file mode 100644 index 0000000..3170b33 --- /dev/null +++ b/third-party/Opcode/Ice/IceRandom.h @@ -0,0 +1,42 @@ +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +/** + * Contains code for random generators. + * \file IceRandom.h + * \author Pierre Terdiman + * \date August, 9, 2001 + */ +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Include Guard +#ifndef __ICERANDOM_H__ +#define __ICERANDOM_H__ + + FUNCTION ICECORE_API void SRand(udword seed); + FUNCTION ICECORE_API udword Rand(); + + //! Returns a unit random floating-point value + inline_ float UnitRandomFloat() { return float(Rand()) * ONE_OVER_RAND_MAX; } + + //! Returns a random index so that 0<= index < max_index + ICECORE_API udword GetRandomIndex(udword max_index); + + class ICECORE_API BasicRandom + { + public: + + //! Constructor + inline_ BasicRandom(udword seed=0) : mRnd(seed) {} + //! Destructor + inline_ ~BasicRandom() {} + + inline_ void SetSeed(udword seed) { mRnd = seed; } + inline_ udword GetCurrentValue() const { return mRnd; } + inline_ udword Randomize() { mRnd = mRnd * 2147001325 + 715136305; return mRnd; } + + private: + udword mRnd; + }; + +#endif // __ICERANDOM_H__ + |