adds jokers 6-16. Extract hand type detection logic from hand_get_type to be used by jokers as well

include/card.h

@@ -42,7 +42,7 @@ typedef struct
     u8 rank;
 } Card;
 
-typedef struct
+typedef struct CardObject
 {
     Card *card;
     SpriteObject *sprite_object;

include/game.h

@@ -72,4 +72,11 @@ enum HandType
 void game_init();
 void game_update();
 
+// Utility functions for other files
+typedef struct CardObject CardObject; // forward declaration, actually declared in card.h
+CardObject **get_hand_array(void);
+CardObject **get_played_array(void);
+int get_hand_top(void);
+int get_played_top(void);
+
 #endif // GAME_H

include/hand_analysis.h

@@ -0,0 +1,16 @@
+#ifndef HAND_ANALYSIS_H
+#define HAND_ANALYSIS_H
+
+#include <tonc.h>
+#include "card.h"
+
+void get_hand_distribution(u8 *ranks_out, u8 *suits_out);
+void get_played_distribution(u8 *ranks_out, u8 *suits_out);
+
+u8 hand_contains_n_of_a_kind(u8 *ranks);
+bool hand_contains_two_pair(u8 *ranks);
+bool hand_contains_full_house(u8 *ranks);
+bool hand_contains_straight(u8 *ranks);
+bool hand_contains_flush(u8 *suits);
+
+#endif