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authorcamthesaxman <cameronghall@cox.net>2017-11-26 02:24:41 -0600
committercamthesaxman <cameronghall@cox.net>2017-11-26 02:24:41 -0600
commit48c6d764e00285378d3f24d954855c6bde613bc0 (patch)
tree82f907925cb280cfeccfc0eeb66595e87cea6f5b /src/engine/random.c
parent4e1098beb6a84a46f0ac2bff37013a3f675f6750 (diff)
parentd373f41c2cbd2dc71ca2287b179c7c8777b9eb02 (diff)
fix merge conflicts
Diffstat (limited to 'src/engine/random.c')
-rw-r--r--src/engine/random.c18
1 files changed, 18 insertions, 0 deletions
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;
+}