+ case EL_EM_GATE_1:
+ case EL_EM_GATE_2:
+ case EL_EM_GATE_3:
+ case EL_EM_GATE_4:
+ if (!player->key[element - EL_EM_GATE_1])
+ return MF_NO_ACTION;
+
+ if (!IN_LEV_FIELD(x + dx, y + dy) || !IS_FREE(x + dx, y + dy))
+ return MF_NO_ACTION;
+
+ /* automatically move to the next field with double speed */
+ player->programmed_action = move_direction;
+ player->move_speed = 4;
+
+ break;
+
+ case EL_EM_GATE_1X:
+ case EL_EM_GATE_2X:
+ case EL_EM_GATE_3X:
+ case EL_EM_GATE_4X:
+ if (!player->key[element - EL_EM_GATE_1X])
+ return MF_NO_ACTION;
+
+ if (!IN_LEV_FIELD(x + dx, y + dy) || !IS_FREE(x + dx, y + dy))
+ return MF_NO_ACTION;
+
+ /* automatically move to the next field with double speed */
+ player->programmed_action = move_direction;
+ player->move_speed = 4;
+
+ break;
+