init: base

1 files changed, 19 insertions, 0 deletions

diff --git a/source/base/base_rand.cpp b/source/base/base_rand.cpp
new file mode 100644
index 0000000..cf8d63a
--- /dev/null
+++ b/source/base/base_rand.cpp
@@ -0,0 +1,19 @@
+#define RAND_CONSTANT 6364136223846793005
+internal u64 rand_u64(u64 constant);
+
+internal u64 rand_u64(u64 constant)
+{
+    time_t current_time = time(0);
+    constant            = current_time ^ constant;
+
+    constant += 0x9e3779b97f4a7c15;
+
+    u64 z = constant;
+    z     = (z ^ (z >> 30)) * 0xbf58476d1ce4e5b9;
+    z     = (z ^ (z >> 27)) * 0x94d049bb133111eb;
+    z     = z ^ (z >> 31);
+
+    return z;
+}
+
+// TODO: bah i don't know if this is good
\ No newline at end of file