1 cc9bbf61 2020-04-01 op #include <assert.h>
  2 cc9bbf61 2020-04-01 op 
  3 cc9bbf61 2020-04-01 op #include "adventure.h"
  4 cc9bbf61 2020-04-01 op 
  5 cc9bbf61 2020-04-01 op static void
  6 cc9bbf61 2020-04-01 op swap_locations(struct object *a, struct object *b)
  7 cc9bbf61 2020-04-01 op {
  8 cc9bbf61 2020-04-01 op 	struct object *t;
  9 cc9bbf61 2020-04-01 op 
 10 cc9bbf61 2020-04-01 op 	assert(a != NULL);
 11 cc9bbf61 2020-04-01 op 	assert(b != NULL);
 12 cc9bbf61 2020-04-01 op 
 13 cc9bbf61 2020-04-01 op 	t = a->location;
 14 cc9bbf61 2020-04-01 op 	a->location = b->location;
 15 cc9bbf61 2020-04-01 op 	b->location = t;
 16 cc9bbf61 2020-04-01 op }
 17 cc9bbf61 2020-04-01 op 
 18 cc9bbf61 2020-04-01 op const char *
 19 cc9bbf61 2020-04-01 op cannot_be_opened(struct object *o)
 20 cc9bbf61 2020-04-01 op {
 21 cc9bbf61 2020-04-01 op 	return "That cannot be opened.";
 22 cc9bbf61 2020-04-01 op }
 23 cc9bbf61 2020-04-01 op 
 24 cc9bbf61 2020-04-01 op const char *
 25 cc9bbf61 2020-04-01 op cannot_be_closed(struct object *o)
 26 cc9bbf61 2020-04-01 op {
 27 cc9bbf61 2020-04-01 op 	return "That cannot be closed.";
 28 cc9bbf61 2020-04-01 op }
 29 cc9bbf61 2020-04-01 op 
 30 cc9bbf61 2020-04-01 op const char *
 31 cc9bbf61 2020-04-01 op cannot_be_locked(struct object *o)
 32 cc9bbf61 2020-04-01 op {
 33 cc9bbf61 2020-04-01 op 	return "That cannot be locked.";
 34 cc9bbf61 2020-04-01 op }
 35 cc9bbf61 2020-04-01 op 
 36 cc9bbf61 2020-04-01 op const char *
 37 cc9bbf61 2020-04-01 op cannot_be_unlocked(struct object *o)
 38 cc9bbf61 2020-04-01 op {
 39 cc9bbf61 2020-04-01 op 	return "That cannot be unlocked.";
 40 cc9bbf61 2020-04-01 op }
 41 cc9bbf61 2020-04-01 op 
 42 cc9bbf61 2020-04-01 op const char *
 43 cc9bbf61 2020-04-01 op is_already_open(struct object *o)
 44 cc9bbf61 2020-04-01 op {
 45 cc9bbf61 2020-04-01 op 	return "That is already open.";
 46 cc9bbf61 2020-04-01 op }
 47 cc9bbf61 2020-04-01 op 
 48 cc9bbf61 2020-04-01 op const char *
 49 cc9bbf61 2020-04-01 op is_already_closed(struct object *o)
 50 cc9bbf61 2020-04-01 op {
 51 cc9bbf61 2020-04-01 op 	return "That is already closed.";
 52 cc9bbf61 2020-04-01 op }
 53 cc9bbf61 2020-04-01 op 
 54 cc9bbf61 2020-04-01 op const char *
 55 cc9bbf61 2020-04-01 op is_already_locked(struct object *o)
 56 cc9bbf61 2020-04-01 op {
 57 cc9bbf61 2020-04-01 op 	return "That is already locked.";
 58 cc9bbf61 2020-04-01 op }
 59 cc9bbf61 2020-04-01 op 
 60 cc9bbf61 2020-04-01 op const char *
 61 cc9bbf61 2020-04-01 op is_already_unlocked(struct object *o)
 62 cc9bbf61 2020-04-01 op {
 63 cc9bbf61 2020-04-01 op 	return "That is already unlocked.";
 64 cc9bbf61 2020-04-01 op }
 65 cc9bbf61 2020-04-01 op 
 66 cc9bbf61 2020-04-01 op const char *
 67 cc9bbf61 2020-04-01 op is_still_open(struct object *o)
 68 cc9bbf61 2020-04-01 op {
 69 cc9bbf61 2020-04-01 op 	return "That is still open.";
 70 cc9bbf61 2020-04-01 op }
 71 cc9bbf61 2020-04-01 op 
 72 cc9bbf61 2020-04-01 op const char *
 73 cc9bbf61 2020-04-01 op is_still_locked(struct object *o)
 74 cc9bbf61 2020-04-01 op {
 75 cc9bbf61 2020-04-01 op 	return "That is still locked.";
 76 cc9bbf61 2020-04-01 op }
 77 cc9bbf61 2020-04-01 op 
 78 cc9bbf61 2020-04-01 op const char *
 79 cc9bbf61 2020-04-01 op toggle_backdoor(struct object *o)
 80 cc9bbf61 2020-04-01 op {
 81 cc9bbf61 2020-04-01 op 	swap_locations(open_door_to_backroom, closed_door_to_backroom);
 82 cc9bbf61 2020-04-01 op 	swap_locations(open_door_to_cave, closed_door_to_cave);
 83 cc9bbf61 2020-04-01 op 	return "OK.";
 84 cc9bbf61 2020-04-01 op }
 85 cc9bbf61 2020-04-01 op 
 86 cc9bbf61 2020-04-01 op const char *
 87 cc9bbf61 2020-04-01 op toggle_box(struct object *o)
 88 cc9bbf61 2020-04-01 op {
 89 cc9bbf61 2020-04-01 op 	swap_locations(open_box, closed_box);
 90 cc9bbf61 2020-04-01 op 	return "OK.";
 91 cc9bbf61 2020-04-01 op }
 92 cc9bbf61 2020-04-01 op 
 93 cc9bbf61 2020-04-01 op const char *
 94 cc9bbf61 2020-04-01 op toggle_box_lock(struct object *o)
 95 cc9bbf61 2020-04-01 op {
 96 cc9bbf61 2020-04-01 op 	if (key_for_box->location == player) {
 97 cc9bbf61 2020-04-01 op 		swap_locations(closed_box, locked_box);
 98 cc9bbf61 2020-04-01 op 		return "OK.";
 99 cc9bbf61 2020-04-01 op 	} else {
100 7f40f3f5 2020-04-03 op 		return "You try really hard, but the closed box won't open "
101 7f40f3f5 2020-04-03 op 		       "without a key.";
102 cc9bbf61 2020-04-01 op 	}
103 cc9bbf61 2020-04-01 op }