extern const mbe_info_type mbe_info[];
extern const byte feature_action_flags[FF_FLAG_MAX];
extern const dragonbreath_type dragonbreath_info[];
-extern const activation_type activation_info[];
-extern const concptr artifact_bias_name[MAX_BIAS];
extern const option_type option_info[];
extern const option_type cheat_info[CHEAT_MAX];
extern byte angband_color_table[256][4];
extern const concptr angband_sound_name[SOUND_MAX];
extern const concptr angband_music_basic_name[MUSIC_BASIC_MAX];
-extern cave_type *cave[MAX_HGT];
+extern grid_type *cave[MAX_HGT];
extern saved_floor_type saved_floors[MAX_SAVED_FLOORS];
extern FLOOR_IDX max_floor_id;
extern u32b saved_floor_file_sign;
extern monster_type *m_list;
extern s16b *mproc_list[MAX_MTIMED];
extern s16b mproc_max[MAX_MTIMED];
-extern u16b max_towns;
-extern town_type *town;
+extern TOWN_IDX max_towns;
+extern town_type *town_info;
extern object_type *inventory;
extern s16b alloc_kind_size;
extern alloc_entry *alloc_kind_table;
extern monster_race *r_info;
extern char *r_name;
extern char *r_text;
-extern dungeon_info_type *d_info;
+extern dungeon_type *d_info;
extern char *d_name;
extern char *d_text;
extern concptr ANGBAND_SYS;
extern FEAT_IDX feat_swamp;
extern FEAT_IDX feat_undetected;
-extern DUNGEON_IDX dungeon_type;
extern DEPTH *max_dlv;
extern FEAT_IDX feat_wall_outer;
extern FEAT_IDX feat_wall_inner;
extern FEAT_IDX feat_wall_solid;
-extern FEAT_IDX feat_ground_type[100], fill_type[100];
+extern FEAT_IDX feat_ground_type[100], feat_wall_type[100];
extern bool now_damaged;
extern COMMAND_CODE now_message;
extern bool use_menu;
extern int is_autopick(object_type *o_ptr);
extern void autopick_alter_item(INVENTORY_IDX item, bool destroy);
extern void autopick_delayed_alter(void);
-extern void autopick_pickup_items(cave_type *c_ptr);
+extern void autopick_pickup_items(grid_type *c_ptr);
extern bool autopick_autoregister(object_type *o_ptr);
extern void do_cmd_edit_autopick(void);
/* cave.c */
extern POSITION distance(POSITION y1, POSITION x1, POSITION y2, POSITION x2);
extern bool is_trap(IDX feat);
-extern bool is_known_trap(cave_type *c_ptr);
+extern bool is_known_trap(grid_type *c_ptr);
extern bool is_closed_door(IDX feat);
-extern bool is_hidden_door(cave_type *c_ptr);
+extern bool is_hidden_door(grid_type *c_ptr);
extern bool los(POSITION y1, POSITION x1, POSITION y2, POSITION x2);
extern void update_local_illumination(POSITION y, POSITION x);
extern bool player_can_see_bold(POSITION y, POSITION x);
extern FEAT_IDX feat_state(IDX feat, int action);
extern void cave_alter_feat(POSITION y, POSITION x, int action);
extern void remove_mirror(POSITION y, POSITION x);
-extern bool is_mirror_grid(cave_type *c_ptr);
-extern bool is_glyph_grid(cave_type *c_ptr);
-extern bool is_explosive_rune_grid(cave_type *c_ptr);
+extern bool is_mirror_grid(grid_type *c_ptr);
+extern bool is_glyph_grid(grid_type *c_ptr);
+extern bool is_explosive_rune_grid(grid_type *c_ptr);
extern void mmove2(POSITION *y, POSITION *x, POSITION y1, POSITION x1, POSITION y2, POSITION x2);
extern bool projectable(POSITION y1, POSITION x1, POSITION y2, POSITION x2);
extern void scatter(POSITION *yp, POSITION *xp, POSITION y, POSITION x, POSITION d, BIT_FLAGS mode);
extern bool cmd_limit_cast(player_type *creature_ptr);
extern bool cmd_limit_arena(player_type *creature_ptr);
extern bool cmd_limit_time_walk(player_type *creature_ptr);
+extern bool cmd_limit_blind(player_type *creature_ptr);
extern bool cmd_limit_confused(player_type *creature_ptr);
extern void forget_travel_flow(void);
extern bool confirm_leave_level(bool down_stair);
extern bool sleep_monsters_touch(void);
extern bool activate_ty_curse(bool stop_ty, int *count);
extern int activate_hi_summon(POSITION y, POSITION x, bool can_pet);
-extern int summon_cyber(MONSTER_IDX who, POSITION y, POSITION x);
extern void wall_breaker(void);
extern bool confuse_monsters(HIT_POINT dam);
extern bool charm_monsters(HIT_POINT dam);