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gotta start compensating for xorshift's needs

This commit is contained in:
Inuyasha 2016-03-29 06:20:26 -07:00
parent 3dc4cfc229
commit 480f9be51f
1 changed files with 5 additions and 2 deletions
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7
src/m_random.c
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@ -83,10 +83,10 @@ INT32 M_RandomRange(INT32 a, INT32 b)
// ------------------------
// Holds the current seed.
static UINT32 randomseed = 0;
static UINT32 randomseed = 0xBADE4404;
// Holds the INITIAL seed value. Used for demos, possibly other debugging.
static UINT32 initialseed = 0;
static UINT32 initialseed = 0xBADE4404;
/** Provides a random fixed point number.
* This is a variant of an xorshift PRNG; state fits in a 32 bit integer structure.
@ -240,6 +240,9 @@ void P_SetRandSeedD(const char *rfile, INT32 rline, UINT32 seed)
{
CONS_Printf("P_SetRandSeed() at: %sp %d\n", rfile, rline);
#endif
// xorshift requires a nonzero seed
// this should never happen, but just in case it DOES, we check
if (!seed) seed = 0xBADE4404;
randomseed = initialseed = seed;
}