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Use the Microsoft implementation of rand

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It's very important, otherwise the behaviour is changed between the
platforms and the demos are not running correctly.
This commit is contained in:
Mathieu Schroeter 2017-02-19 11:14:00 +01:00
parent afb93060f1
commit c8ca6b918f
1 changed files with 17 additions and 7 deletions
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24
src/misc.cpp
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@ -49,25 +49,35 @@ POINT ConvLongToPos (LPARAM lParam)
return pos;
}
static int g_seed;
// R�initialise le g�n�rateur al�atoire.
/* Initialize the Microsoft pseudo-random generator */
void InitRandom()
{
srand (1);
g_seed = 1;
// srand (1);
}
// Retourne un nombre al�atoire compris entre
// deux bornes (inclues).
/* We are not using rand from stdlib because on Linux the pseudo-generator
* is using an other algorithm. Then the behaviour is not the same on all
* platforms.
* See http://stackoverflow.com/a/1280765/842097
*/
int ms_rand ()
{
g_seed = g_seed * 0x343fd + 0x269EC3;
return (g_seed >> 0x10) & 0x7FFF;
}
/* Returns a random number between two values (included). */
Sint32 Random (Sint32 min, Sint32 max)
{
Sint32 n;
n = rand();
n = ms_rand (); // replace rand ();
n = min + (n % (max - min + 1));
return (Sint32)n;
return (Sint32) n;
}
std::string GetLocale ()