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jl777
2019-03-22 01:33:30 -11:00
parent 96604c9906
commit 2845aa8a4e
1 changed files with 8 additions and 5 deletions
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13
src/cc/gamescc.cpp
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@@ -37,11 +37,14 @@ UniValue games_rawtxresult(UniValue &result,std::string rawtx,int32_t broadcastf
uint64_t games_rngnext(uint64_t initseed)
{
uint16_t seeds[4]; int32_t i;
for (i=0; i<4; i++)
{
seeds[i] = (initseed >> (i*16));
seeds[i] = (seeds[i]*11109 + 13849);
}
seeds[0] = initseed;
seeds[1] = (initseed >> 16);
seeds[2] = (initseed >> 32);
seeds[3] = (initseed >> 48);
seeds[0] = (seeds[0]*11109 + 13849);
seeds[1] = ((seeds[0] ^ seeds[1])*11109 + 13849);
seeds[2] = ((seeds[0] ^ seeds[1] ^ seeds[2])*11109 + 13849);
seeds[3] = ((seeds[0] ^ seeds[1] ^ seeds[2] ^ seeds[3])*11109 + 13849);
return(((uint64_t)seeds[3] << 48) | ((uint64_t)seeds[2] << 24) | ((uint64_t)seeds[1] << 16) | seeds[0]);
}