Code cleanup on the shot validation path
[Project_algorithmic_C.git] / lib / othello.h
index 24bf9fb30750f47dedb4b170ef58f5a2e7e57df4..9eb1c8cd88e3dc1be5b12952f25a314eb610d8e0 100644 (file)
 #ifndef OTHELLO_H
 #define OTHELLO_H
 
+#include <stdbool.h>
+
 #include "constants.h"
 #include "list.h"
 
-struct shots_list {
+/* linked list of can play shots */
+struct shots_list_s {
     struct list_head list;
-    unsigned int*** pawn_array_member;
+    int y;
+    int x;
+    unsigned int type; /* can be white or black or hint allowed or hint_fordidden */
 };
 
 unsigned int current_player(unsigned int round_count);
 unsigned int eval_winner(unsigned int nb_white, unsigned int nb_black);
 
-int** init_pawns(unsigned int pawn_array[board_size][board_size]);
+void zero_pawns(unsigned int pawn_array[board_size][board_size]);
+void init_pawns(unsigned int pawn_array[board_size][board_size]);
 unsigned int get_box_value(int y, int x, unsigned int pawn_array[board_size][board_size]);
-int** set_pawn(int y, int x, unsigned int type, unsigned int pawn_array[board_size][board_size]);
+void set_pawn(int y, int x, unsigned int type, unsigned int pawn_array[board_size][board_size]);
 
-bool is_valid_input(int y, int x, unsigned int pawn_array[board_size][board_size]);
 bool is_box_type(int y, int x, unsigned int pawn_array[board_size][board_size], unsigned int type);
 bool is_board_full(unsigned int pawn_array[board_size][board_size]);
 
-unsigned int count_pawn_type(unsigned int pawn_array[board_size][board_size], unsigned int type);
+unsigned int count_pawns_type(unsigned int pawn_array[board_size][board_size], unsigned int type);
+
+bool is_legal_shot(int y, int x, unsigned int current_player, unsigned int pawn_array[board_size][board_size]);
+unsigned int valid_shot(int y, int x, unsigned int current_player, unsigned int pawn_array[board_size][board_size]);
+
+void build_playable_shots_list(unsigned int current_player, struct shots_list_s* shots_list, unsigned int pawn_array[board_size][board_size]);
+void free_shots_list(struct shots_list_s* shots_list);
 
 #endif /* OTHELLO_H */