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authorgolem galvanize <golemgalvanize@github.com>2018-01-09 16:48:01 -0500
committergolem galvanize <golemgalvanize@github.com>2018-01-09 16:48:01 -0500
commitc7722a492017dbd8a5fb3bb216062eb62129daf5 (patch)
tree2a5c0ba6a6b9364aa93eb4a9a89b35153954ab63 /src/engine/random.c
parent2d141bc612ffecc984f6b4238c2791ba8419a192 (diff)
parent85174ad6193d3d58b92deaaedf8c510440ed85ee (diff)
fixing 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;
+}