Better world

1 files changed, 7 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index 94a9dd6..c769488 100644
--- a/src/util.h
+++ b/src/util.h
@@ -3,6 +3,13 @@
 #ifndef UTIL_H
 #define UTIL_H
 
+// Bit shit.
+#define SET_BIT(b, n) (b | (0x1 << n))
+#define CLEAR_BIT(b, n) (b & ~(0x1 << n))
+#define IS_BIT_SET(b, n) ((b >> n) & 0x1)
+#define TOGGLE_BIT(b, n) (b ^ (0x1 << n))
+#define HAS_FLAG(v, f) ((v & f) == f)
+
 typedef struct AxisAngle {
 	Vector3 axis;
 	float angle;