+
+ if (IS_WALKABLE(element))
+ {
+ int sound_action = ACTION_WALKING;
+
+ if (element >= EL_GATE_1 && element <= EL_GATE_4)
+ {
+ if (!player->key[element - EL_GATE_1])
+ return MF_NO_ACTION;
+ }
+ else if (element >= EL_GATE_1_GRAY && element <= EL_GATE_4_GRAY)
+ {
+ if (!player->key[element - EL_GATE_1_GRAY])
+ return MF_NO_ACTION;
+ }
+ else if (element == EL_EXIT_OPEN || element == EL_SP_EXIT_OPEN)
+ {
+ sound_action = ACTION_PASSING; /* player is passing exit */
+ }
+ else if (element == EL_EMPTY)
+ {
+ sound_action = ACTION_MOVING; /* nothing to walk on */
+ }
+
+ /* play sound from background or player, whatever is available */
+ if (element_info[element].sound[sound_action] != SND_UNDEFINED)
+ PlaySoundLevelElementAction(x, y, element, sound_action);
+ else
+ PlaySoundLevelElementAction(x, y, player->element_nr, sound_action);
+
+ break;
+ }
+ else if (IS_PASSABLE(element))
+ {
+ if (!IN_LEV_FIELD(x + dx, y + dy) || !IS_FREE(x + dx, y + dy))
+ return MF_NO_ACTION;
+
+ if (element >= EL_EM_GATE_1 && element <= EL_EM_GATE_4)
+ {
+ if (!player->key[element - EL_EM_GATE_1])
+ return MF_NO_ACTION;
+ }
+ else if (element >= EL_EM_GATE_1_GRAY && element <= EL_EM_GATE_4_GRAY)
+ {
+ if (!player->key[element - EL_EM_GATE_1_GRAY])
+ return MF_NO_ACTION;
+ }
+
+ /* automatically move to the next field with double speed */
+ player->programmed_action = move_direction;
+ DOUBLE_PLAYER_SPEED(player);
+
+ PlaySoundLevelAction(x, y, ACTION_PASSING);
+
+ break;
+ }
+ else if (IS_DIGGABLE(element))
+ {
+ RemoveField(x, y);
+
+ if (mode != DF_SNAP)
+ {
+ GfxElement[x][y] =
+ (CAN_BE_CRUMBLED(element) ? EL_SAND : GFX_ELEMENT(element));
+ player->is_digging = TRUE;
+ }
+
+ PlaySoundLevelElementAction(x, y, element, ACTION_DIGGING);
+
+ break;
+ }
+ else if (IS_COLLECTIBLE(element))
+ {
+ RemoveField(x, y);
+
+ if (mode != DF_SNAP)
+ {
+ GfxElement[x][y] = element;
+ player->is_collecting = TRUE;
+ }
+
+ if (element == EL_SPEED_PILL)
+ player->move_delay_value = MOVE_DELAY_HIGH_SPEED;
+ else if (element == EL_EXTRA_TIME && level.time > 0)
+ {
+ TimeLeft += 10;
+ DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FONT_TEXT_2);
+ }
+ else if (element == EL_SHIELD_NORMAL || element == EL_SHIELD_DEADLY)
+ {
+ player->shield_normal_time_left += 10;
+ if (element == EL_SHIELD_DEADLY)
+ player->shield_deadly_time_left += 10;
+ }
+ else if (element == EL_DYNAMITE || element == EL_SP_DISK_RED)
+ {
+ player->dynamite++;
+ player->use_disk_red_graphic = (element == EL_SP_DISK_RED);
+
+ DrawText(DX_DYNAMITE, DY_DYNAMITE,
+ int2str(local_player->dynamite, 3), FONT_TEXT_2);
+ }
+ else if (element == EL_DYNABOMB_INCREASE_NUMBER)
+ {
+ player->dynabomb_count++;
+ player->dynabombs_left++;
+ }
+ else if (element == EL_DYNABOMB_INCREASE_SIZE)
+ {
+ player->dynabomb_size++;
+ }
+ else if (element == EL_DYNABOMB_INCREASE_POWER)
+ {
+ player->dynabomb_xl = TRUE;
+ }
+ else if ((element >= EL_KEY_1 && element <= EL_KEY_4) ||
+ (element >= EL_EM_KEY_1 && element <= EL_EM_KEY_4))
+ {
+ int key_nr = (element >= EL_KEY_1 && element <= EL_KEY_4 ?
+ element - EL_KEY_1 : element - EL_EM_KEY_1);
+
+ player->key[key_nr] = TRUE;
+
+ DrawMiniGraphicExt(drawto, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
+ el2edimg(EL_KEY_1 + key_nr));
+ redraw_mask |= REDRAW_DOOR_1;
+ }
+ else if (gem_count[element] > 0)
+ {
+ local_player->gems_still_needed -= gem_count[element];
+ if (local_player->gems_still_needed < 0)
+ local_player->gems_still_needed = 0;
+
+ DrawText(DX_EMERALDS, DY_EMERALDS,
+ int2str(local_player->gems_still_needed, 3), FONT_TEXT_2);
+ }
+
+ RaiseScoreElement(element);
+ PlaySoundLevelElementAction(x, y, element, ACTION_COLLECTING);
+
+ CheckTriggeredElementChange(element, CE_OTHER_COLLECTING);
+
+ break;
+ }
+ else if (IS_PUSHABLE(element))
+ {
+ if (mode == DF_SNAP && element != EL_BD_ROCK)
+ return MF_NO_ACTION;
+
+ if (CAN_FALL(element) && dy)
+ return MF_NO_ACTION;
+
+ if (CAN_FALL(element) && IN_LEV_FIELD(x, y + 1) && IS_FREE(x, y + 1) &&
+ !(element == EL_SPRING && use_spring_bug))
+ return MF_NO_ACTION;
+
+ if (element == EL_SPRING && MovDir[x][y] != MV_NO_MOVING)
+ return MF_NO_ACTION;
+
+ if (!player->Pushing &&
+ game.engine_version >= RELEASE_IDENT(2,2,0,7))
+ player->push_delay_value = GET_NEW_PUSH_DELAY(element);
+
+ player->Pushing = TRUE;
+
+ if (!(IN_LEV_FIELD(x + dx, y + dy) &&
+ (IS_FREE(x + dx, y + dy) ||
+ (Feld[x + dx][y + dy] == EL_SOKOBAN_FIELD_EMPTY &&
+ IS_SB_ELEMENT(element)))))
+ return MF_NO_ACTION;
+
+ if (!checkDiagonalPushing(player, x, y, real_dx, real_dy))
+ return MF_NO_ACTION;
+
+ if (player->push_delay == 0) /* new pushing; restart delay */
+ player->push_delay = FrameCounter;
+
+ if (!FrameReached(&player->push_delay, player->push_delay_value) &&
+ !(tape.playing && tape.file_version < FILE_VERSION_2_0) &&
+ element != EL_SPRING && element != EL_BALLOON)
+ return MF_NO_ACTION;
+
+ if (IS_SB_ELEMENT(element))
+ {
+ if (element == EL_SOKOBAN_FIELD_FULL)
+ {
+ Back[x][y] = EL_SOKOBAN_FIELD_EMPTY;
+ local_player->sokobanfields_still_needed++;
+ }
+
+ if (Feld[x + dx][y + dy] == EL_SOKOBAN_FIELD_EMPTY)
+ {
+ Back[x + dx][y + dy] = EL_SOKOBAN_FIELD_EMPTY;
+ local_player->sokobanfields_still_needed--;
+ }
+
+ Feld[x][y] = EL_SOKOBAN_OBJECT;
+
+ if (Back[x][y] == Back[x + dx][y + dy])
+ PlaySoundLevelAction(x, y, ACTION_PUSHING);
+ else if (Back[x][y] != 0)
+ PlaySoundLevelElementAction(x, y, EL_SOKOBAN_FIELD_FULL,
+ ACTION_EMPTYING);
+ else
+ PlaySoundLevelElementAction(x + dx, y + dy, EL_SOKOBAN_FIELD_EMPTY,
+ ACTION_FILLING);
+
+ if (local_player->sokobanfields_still_needed == 0 &&
+ game.emulation == EMU_SOKOBAN)
+ {
+ player->LevelSolved = player->GameOver = TRUE;
+ PlaySoundLevel(x, y, SND_GAME_SOKOBAN_SOLVING);
+ }
+ }
+ else
+ PlaySoundLevelElementAction(x, y, element, ACTION_PUSHING);
+
+ InitMovingField(x, y, move_direction);
+
+ if (mode == DF_SNAP)
+ ContinueMoving(x, y);
+ else
+ MovPos[x][y] = (dx != 0 ? dx : dy);
+
+ Pushed[x][y] = TRUE;
+ Pushed[x + dx][y + dy] = TRUE;
+
+ if (game.engine_version < RELEASE_IDENT(2,2,0,7))
+ player->push_delay_value = GET_NEW_PUSH_DELAY(element);
+
+ CheckTriggeredElementChange(element, CE_OTHER_PUSHING);
+ CheckPlayerElementChange(x, y, element, CE_PUSHED_BY_PLAYER);
+
+ break;
+ }
+ else
+ {
+ CheckPlayerElementChange(x, y, element, CE_PRESSED_BY_PLAYER);
+ }
+