1 files changed, 10 insertions, 5 deletions
diff --git a/include/action_list.h b/include/action_list.h
index a0f5a34..14c733f 100644
--- a/include/action_list.h
+++ b/include/action_list.h
@@ -5,19 +5,24 @@
 
 enum A_TYPE { A_PLACE, A_MOVE };
 
-typedef struct action_list_s {
-	struct action_list_s *next;
+typedef struct action_node_s {
+	struct action_node_s *next;
 	enum A_TYPE type;
 	int8_t loc;
 	uint8_t data0;
 	uint8_t data1;
+} action_node_t;
+
+typedef struct action_list_s {
+	struct action_node_s *head;
+	uint32_t length;
 } action_list_t;
 
 void action_list_init(void);
 void action_list_free(action_list_t *list);
 action_list_t *action_list_generate(void);
 
-void action_take(action_list_t *action);
-void action_undo(action_list_t *action);
+void action_take(action_node_t *action);
+void action_undo(action_node_t *action);
 
-void action_to_ptn(action_list_t* action, char* out_ptn);
+void action_to_ptn(action_node_t* action, char* out_ptn);