diff --git a/iris_c/world.h b/iris_c/world.h
index beeba65..f6fc460 100644
--- a/iris_c/world.h
+++ b/iris_c/world.h
@@ -2,6 +2,7 @@
 #define WORLD_H
 
 #include <stdint.h>
+#include <stdbool.h>
 
 #define WORLD_WIDTH 256
 #define WORLD_HEIGHT 256
@@ -17,7 +18,22 @@ typedef enum {
     Q_QUASAR,
     Q_SUPERNOVA,
     Q_ANOMALY,
-    Q_SINGULARITY
+    Q_SINGULARITY,
+    Q_COUNT
 } quadrant_type;
 
+typedef struct {
+    quadrant_type type;
+    bool is_visited;
+    bool is_discovered;
+    bool is_old;
+} quadrant;
+
+typedef struct {
+    quadrant quadrants[WORLD_HEIGHT][WORLD_WIDTH];
+} world_t;
+
+void world_generate(world_t *w);
+const quadrant * world_get_quadrant(const world_t *w, uint16_t x, uint16_t y);
+
 #endif