1 files changed, 13 insertions, 2 deletions
diff --git a/src/utils.h b/src/utils.h
index e3b52ed..e289189 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -1,13 +1,17 @@
 #include <stdio.h>
 #include <stdlib.h>
-#include <stdlib.h>
+#include <stdint.h>
+#include <math.h>
 
 #include <raylib.h>
-#include "raylib.h"
+#include <raymath.h>
+#include "raygui.h"
 
 #ifndef UTIL_H
 #define UTIL_H
 
+typedef struct Game Game;
+
 #define FT_NAMEMAX 256
 
 // Memory management.
@@ -27,4 +31,11 @@ typedef enum FTError {
   FTSUCCESS = 0
 } FTError;
 
+// 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)
+
 #endif