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#ifndef ACTIONS_H
#define ACTIONS_H
#include <stdlib.h>
#include <stdint.h>
#include <tak.h>
enum A_TYPE { A_PLACE, A_MOVE };
typedef uint32_t action_t;
#define A_TYPE_SHIFT 24
#define A_LOC_SHIFT 16
#define A_DATA0_SHIFT 8
#define A_GET_TYPE(a) (enum A_TYPE)((a)>>A_TYPE_SHIFT)
#define A_GET_LOC(a) (int8_t)(((a)>>A_LOC_SHIFT) & 0xFF)
#define A_GET_DATA0(a) (uint8_t)(((a)>>A_DATA0_SHIFT) & 0xFF)
#define A_GET_DATA1(a) (uint8_t)((a) & 0xFF)
#define A_BUILD(type,loc,data0,data1) ((type) << A_TYPE_SHIFT \
| (loc) << A_LOC_SHIFT \
| (data0) << A_DATA0_SHIFT \
| (data1))
typedef struct action_node_s {
struct action_node_s *next;
action_t action;
} action_node_t;
typedef struct action_list_s {
struct action_node_s *head, *tail;
uint32_t length;
} action_list_t;
extern int8_t move_deltas[4];
void action_list_init(void);
void action_list_free(action_list_t *list);
action_list_t *action_list_generate(void);
int action_move_to_front(const action_t action, action_list_t *list);
void action_take(const action_t action);
void action_undo(const action_t action);
void action_to_ptn(const action_t action, char* out_ptn);
#endif
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