Refactor/shop (#475)

* initial commit, DOES NOT COMPILE

* Rename joker interactions file to `joker_row`

* IT'S WORKIIING (now to make it pretty lol)

* fixed rebase issues

* fix rebase + undo state machine changes

* Document shop state functions

* clang format

* fix reroll cost not appearing on shop init

* Move generic SpriteObject text/price printing functions to sprite.c + some minor fixes

* Resolve weird defines/include order issue

* clang format

* Implement suggestions from @ricfehr3

* clang format

* clang format

* fix rebase

* Implement sugegstions from @ricfehr3

* Refactored shop to use the Button struct

* missed some memsets

---------

Co-authored-by: MathisMartin31 <mathis.martin31@gmail.com>

include/sprite.h

@@ -317,6 +317,37 @@ bool sprite_object_get_width(SpriteObject* sprite_object, int* width);
  */
 bool sprite_object_is_focused(SpriteObject* sprite_object);
 
+/**
+ * @brief Print the given string directly beneath a SpriteObject.
+ *         This is used only for Cards for now.
+ *
+ * @param sprite_object valid pointer to SpriteObject to check
+ * @param text the string to be printed below the sprite
+ */
+void sprite_object_print_text_under(SpriteObject* sprite_object, const char text[]);
+
+/**
+ * @brief Print the price string directly beneath a SpriteObject.
+ *         More specialized version of sprite_object_print_text_under,
+ *         automatically formats the price to `$%d`.
+ *
+ * @param sprite_object valid pointer to SpriteObject to check
+ * @param price the price of the card to be printed
+ *
+ * @sa sprite_object_print_text_under
+ */
+void sprite_object_print_price_under(SpriteObject* sprite_object, int price);
+
+/**
+ * @brief Erase the text within the Rect directly beneath a SpriteObject.
+ *         This is used only for Cards for now.
+ *
+ * @param sprite_object valid pointer to SpriteObject to check
+ *
+ * @sa sprite_object_print_text_under
+ */
+void sprite_object_erase_text_under(SpriteObject* sprite_object);
+
 /**
  * @brief Set sprite position. Inlined for efficiency
  *