(e) == EL_BD_EXPANDABLE_STEELWALL_VERTICAL || \
(e) == EL_BD_EXPANDABLE_STEELWALL_ANY)
-#define IS_BD_CONVEYOR_BELT(e) ((e) == EL_BD_CONVEYOR_LEFT || \
- (e) == EL_BD_CONVEYOR_LEFT_ACTIVE || \
- (e) == EL_BD_CONVEYOR_RIGHT || \
+#define IS_BD_CONVEYOR_BELT(e) ((e) == EL_BD_CONVEYOR_LEFT || \
+ (e) == EL_BD_CONVEYOR_LEFT_ACTIVE || \
+ (e) == EL_BD_CONVEYOR_RIGHT || \
(e) == EL_BD_CONVEYOR_RIGHT_ACTIVE)
-#define IS_BD_CONVEYOR_BELT_SWITCH(e) ((e) == EL_BD_CONVEYOR_SWITCH || \
- (e) == EL_BD_CONVEYOR_SWITCH_ACTIVE || \
- (e) == EL_BD_CONVEYOR_DIR_SWITCH_NORMAL || \
- (e) == EL_BD_CONVEYOR_DIR_SWITCH_CHANGED)
+#define IS_BD_CONVEYOR_BELT_SWITCH(e) ((e) == EL_BD_CONVEYOR_SWITCH || \
+ (e) == EL_BD_CONVEYOR_SWITCH_ACTIVE || \
+ (e) == EL_BD_CONVEYOR_DIR_SWITCH || \
+ (e) == EL_BD_CONVEYOR_DIR_SWITCH_ACTIVE)
#define IS_SOKOBAN_OBJECT_OR_FIELD(e) ((e) == EL_SOKOBAN_OBJECT || \
(e) == EL_SOKOBAN_FIELD_EMPTY || \
#define EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL 1284
#define EL_BD_EXPANDABLE_STEELWALL_VERTICAL 1285
#define EL_BD_EXPANDABLE_STEELWALL_ANY 1286
-#define EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL 1287
-#define EL_BD_EXPANDABLE_WALL_SWITCH_VERTICAL 1288
+#define EL_BD_EXPANDABLE_WALL_SWITCH 1287
+#define EL_BD_EXPANDABLE_WALL_SWITCH_ACTIVE 1288
#define EL_BD_INBOX 1289
#define EL_BD_EXIT_CLOSED 1290
#define EL_BD_EXIT_OPEN 1291
#define EL_BD_CONVEYOR_RIGHT_ACTIVE 1318
#define EL_BD_CONVEYOR_SWITCH 1319
#define EL_BD_CONVEYOR_SWITCH_ACTIVE 1320
-#define EL_BD_CONVEYOR_DIR_SWITCH_NORMAL 1321
-#define EL_BD_CONVEYOR_DIR_SWITCH_CHANGED 1322
+#define EL_BD_CONVEYOR_DIR_SWITCH 1321
+#define EL_BD_CONVEYOR_DIR_SWITCH_ACTIVE 1322
#define EL_BD_GRAVITY_SWITCH 1323
#define EL_BD_GRAVITY_SWITCH_ACTIVE 1324
#define EL_BD_ACID 1325
boolean bd_line_shifting_borders; // BD engine uses line-shifting wrap-around
boolean bd_scan_first_and_last_row; // BD engine scans top and bottom border rows
boolean bd_short_explosions; // BD engine uses four game cycles for explosions
- boolean bd_gravity_affects_all; // BD engine gravity affects all falling objects
boolean bd_intermission; // BD level is intermission
boolean bd_diagonal_movements; // BD style diagonal movements
boolean bd_topmost_player_active; // BD engine uses first player found on playfield
int bd_num_skeletons_needed_for_pot; // BD skeletons amount must be collected to use a pot
int bd_skeleton_worth_num_diamonds; // BD skeleton collected is worth this number of diamonds
int bd_expanding_wall_looks_like; // BD expanding wall looks like this other game element
+ int bd_sand_looks_like; // BD sand looks like this other game element
+ boolean bd_creatures_start_backwards; // BD creatures start moving in opposite direction
+ boolean bd_creatures_turn_on_hatching;// BD creatures change direction after hatching
+ int bd_creatures_auto_turn_delay; // BD creatures change direction after delay (in seconds)
+ int bd_gravity_direction; // BD engine initial gravity direction
+ boolean bd_gravity_switch_active; // BD engine gravity switch starts in active state
+ int bd_gravity_switch_delay; // BD engine gravity change delay for switch (in seconds)
+ boolean bd_gravity_affects_all; // BD engine gravity affects all falling objects
boolean em_slippery_gems; // EM style "gems slip from wall" behaviour
boolean em_explodes_by_fire; // EM style chain explosion behaviour