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- Introduce seeding of the random number generator at startup

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- Replaced all engine-side occurances of rand() with random()
This commit is contained in:
Thilo Schulz 2009-05-31 19:48:28 +00:00
parent 7aed7e8861
commit b40f1507ea
5 changed files with 28 additions and 17 deletions
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8
code/client/cl_main.c
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@ -1306,12 +1306,8 @@ void CL_RequestMotd( void ) {
BigShort( cls.updateServer.port ) );
info[0] = 0;
// NOTE TTimo xoring against Com_Milliseconds, otherwise we may not have a true randomization
// only srand I could catch before here is tr_noise.c l:26 srand(1001)
// https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=382
// NOTE: the Com_Milliseconds xoring only affects the lower 16-bit word,
// but I decided it was enough randomization
Com_sprintf( cls.updateChallenge, sizeof( cls.updateChallenge ), "%i", ((rand() << 16) ^ rand()) ^ Com_Milliseconds());
Com_sprintf( cls.updateChallenge, sizeof( cls.updateChallenge ), "%i", (random() << 16) ^ random());
Info_SetValueForKey( info, "challenge", cls.updateChallenge );
Info_SetValueForKey( info, "renderer", cls.glconfig.renderer_string );