1 files changed, 19 insertions, 3 deletions
diff --git a/src/GameLoop/shop.h b/src/GameLoop/shop.h
index 4014f58..5cd6b53 100644
--- a/src/GameLoop/shop.h
+++ b/src/GameLoop/shop.h
@@ -7,10 +7,26 @@
 #include <stdbool.h>
 
 typedef enum {
-	hh_e_STATE_SHOW,
-	hh_e_STATE_Input,
-	hh_e_STATE_END
+	hh_e_shop_init,
+	hh_e_shop_main,
+	hh_e_shop_end
 } hh_e_ShopStates;
 
+/** @brief amount of upgrade types */
+#define HH_SHOP_UPG_COUNT 2
+/** @brief count of visible upgrades in shop */
+#define HH_SHOP_UPG_DISPLAY 4
+/** @brief all possible upgrades */
+typedef enum {
+	hh_e_UPG_JUMP,
+	hh_e_UPG_HEALTH
+} hh_e_upgrades;
+
+/** @brief init */
+void hh_shop_init(hh_e_upgrades* in);
+/** @brief deals with displayed entity rendering */
+void hh_shop_display(uint8_t selected, hh_e_upgrades* upgrades);
+/** @brief moves 'cursor' through selection field */
+void hh_shift_selected(uint8_t* pos, bool dir, uint8_t min, uint8_t max);
 
 bool hh_show_Shop();