From d373f41c2cbd2dc71ca2287b179c7c8777b9eb02 Mon Sep 17 00:00:00 2001 From: camthesaxman Date: Sun, 26 Nov 2017 02:01:36 -0600 Subject: rename rng.c to random.c --- src/engine/random.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 src/engine/random.c (limited to 'src/engine/random.c') diff --git a/src/engine/random.c b/src/engine/random.c new file mode 100644 index 000000000..8f82b722f --- /dev/null +++ b/src/engine/random.c @@ -0,0 +1,18 @@ +#include "global.h" +#include "random.h" + +// The number 1103515245 comes from the example implementation of rand and srand +// in the ISO C standard. + +u32 gRngValue; + +u16 Random(void) +{ + gRngValue = 1103515245 * gRngValue + 24691; + return gRngValue >> 16; +} + +void SeedRng(u16 seed) +{ + gRngValue = seed; +} -- cgit v1.2.3