rocksndiamonds-3.3.0.0
[rocksndiamonds.git] / src / files.c
index aa6ce2595cd11b718e80c263d58f0e806762f455..d7837486d401d930248e8bfafe7836753027f1fe 100644 (file)
@@ -1,7 +1,7 @@
 /***********************************************************
 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
 *----------------------------------------------------------*
-* (c) 1995-2002 Artsoft Entertainment                      *
+* (c) 1995-2006 Artsoft Entertainment                      *
 *               Holger Schemel                             *
 *               Detmolder Strasse 189                      *
 *               33604 Bielefeld                            *
@@ -182,6 +182,12 @@ static struct LevelFileConfigInfo chunk_config_INFO[] =
     &li.gems_needed,                   0
   },
 
+  {
+    -1,                                        -1,
+    TYPE_INTEGER,                      CONF_VALUE_32_BIT(2),
+    &li.random_seed,                   0
+  },
+
   {
     -1,                                        -1,
     TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(2),
@@ -218,6 +224,12 @@ static struct LevelFileConfigInfo chunk_config_INFO[] =
     &li.dont_collide_with_bits,                ~0      /* default: always deadly */
   },
 
+  {
+    -1,                                        -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(8),
+    &li.em_explodes_by_fire,           FALSE
+  },
+
   {
     -1,                                        -1,
     TYPE_INTEGER,                      CONF_VALUE_16_BIT(5),
@@ -226,9 +238,15 @@ static struct LevelFileConfigInfo chunk_config_INFO[] =
 
   {
     -1,                                        -1,
-    -1,                                        -1,
-    NULL,                              -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(9),
+    &li.auto_exit_sokoban,             FALSE
   },
+
+  {
+    -1,                                        -1,
+    -1,                                        -1,
+    NULL,                              -1
+  }
 };
 
 static struct LevelFileConfigInfo chunk_config_ELEM[] =
@@ -264,6 +282,11 @@ static struct LevelFileConfigInfo chunk_config_ELEM[] =
     TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(6),
     &li.continuous_snapping,           TRUE
   },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(12),
+    &li.shifted_relocation,            FALSE
+  },
 
   /* (these values are different for each player) */
   {
@@ -306,6 +329,22 @@ static struct LevelFileConfigInfo chunk_config_ELEM[] =
     TYPE_ELEMENT,                      CONF_VALUE_16_BIT(3),
     &li.explosion_element[0],          EL_PLAYER_1
   },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(13),
+    &li.use_initial_inventory[0],      FALSE
+  },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(14),
+    &li.initial_inventory_size[0],     1
+  },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_ELEMENT_LIST,                 CONF_VALUE_BYTES(1),
+    &li.initial_inventory_content[0][0],EL_EMPTY, NULL,
+    &li.initial_inventory_size[0],     1, MAX_INITIAL_INVENTORY_SIZE
+  },
 
   {
     EL_PLAYER_2,                       -1,
@@ -347,6 +386,22 @@ static struct LevelFileConfigInfo chunk_config_ELEM[] =
     TYPE_ELEMENT,                      CONF_VALUE_16_BIT(3),
     &li.explosion_element[1],          EL_PLAYER_2
   },
+  {
+    EL_PLAYER_2,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(13),
+    &li.use_initial_inventory[1],      FALSE
+  },
+  {
+    EL_PLAYER_2,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(14),
+    &li.initial_inventory_size[1],     1
+  },
+  {
+    EL_PLAYER_2,                       -1,
+    TYPE_ELEMENT_LIST,                 CONF_VALUE_BYTES(1),
+    &li.initial_inventory_content[1][0],EL_EMPTY, NULL,
+    &li.initial_inventory_size[1],     1, MAX_INITIAL_INVENTORY_SIZE
+  },
 
   {
     EL_PLAYER_3,                       -1,
@@ -388,6 +443,22 @@ static struct LevelFileConfigInfo chunk_config_ELEM[] =
     TYPE_ELEMENT,                      CONF_VALUE_16_BIT(3),
     &li.explosion_element[2],          EL_PLAYER_3
   },
+  {
+    EL_PLAYER_3,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(13),
+    &li.use_initial_inventory[2],      FALSE
+  },
+  {
+    EL_PLAYER_3,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(14),
+    &li.initial_inventory_size[2],     1
+  },
+  {
+    EL_PLAYER_3,                       -1,
+    TYPE_ELEMENT_LIST,                 CONF_VALUE_BYTES(1),
+    &li.initial_inventory_content[2][0],EL_EMPTY, NULL,
+    &li.initial_inventory_size[2],     1, MAX_INITIAL_INVENTORY_SIZE
+  },
 
   {
     EL_PLAYER_4,                       -1,
@@ -429,6 +500,22 @@ static struct LevelFileConfigInfo chunk_config_ELEM[] =
     TYPE_ELEMENT,                      CONF_VALUE_16_BIT(3),
     &li.explosion_element[3],          EL_PLAYER_4
   },
+  {
+    EL_PLAYER_4,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(13),
+    &li.use_initial_inventory[3],      FALSE
+  },
+  {
+    EL_PLAYER_4,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(14),
+    &li.initial_inventory_size[3],     1
+  },
+  {
+    EL_PLAYER_4,                       -1,
+    TYPE_ELEMENT_LIST,                 CONF_VALUE_BYTES(1),
+    &li.initial_inventory_content[3][0],EL_EMPTY, NULL,
+    &li.initial_inventory_size[3],     1, MAX_INITIAL_INVENTORY_SIZE
+  },
 
   {
     EL_EMERALD,                                -1,
@@ -722,8 +809,8 @@ static struct LevelFileConfigInfo chunk_config_ELEM[] =
   {
     -1,                                        -1,
     -1,                                        -1,
-    NULL,                              -1,
-  },
+    NULL,                              -1
+  }
 };
 
 static struct LevelFileConfigInfo chunk_config_NOTE[] =
@@ -739,6 +826,17 @@ static struct LevelFileConfigInfo chunk_config_NOTE[] =
     &xx_envelope.ysize,                        MAX_ENVELOPE_YSIZE,
   },
 
+  {
+    -1,                                        -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(3),
+    &xx_envelope.autowrap,             FALSE
+  },
+  {
+    -1,                                        -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(4),
+    &xx_envelope.centered,             FALSE
+  },
+
   {
     -1,                                        -1,
     TYPE_STRING,                       CONF_VALUE_BYTES(1),
@@ -750,8 +848,8 @@ static struct LevelFileConfigInfo chunk_config_NOTE[] =
   {
     -1,                                        -1,
     -1,                                        -1,
-    NULL,                              -1,
-  },
+    NULL,                              -1
+  }
 };
 
 static struct LevelFileConfigInfo chunk_config_CUSX_base[] =
@@ -790,8 +888,8 @@ static struct LevelFileConfigInfo chunk_config_CUSX_base[] =
   {
     -1,                                        -1,
     TYPE_ELEMENT,                      CONF_VALUE_16_BIT(1),
-    &xx_ei.gfx_element,                        EL_EMPTY_SPACE,
-    &yy_ei.gfx_element
+    &xx_ei.gfx_element_initial,                EL_EMPTY_SPACE,
+    &yy_ei.gfx_element_initial
   },
 
   {
@@ -956,7 +1054,7 @@ static struct LevelFileConfigInfo chunk_config_CUSX_base[] =
     -1,                                        -1,
     NULL,                              -1,
     NULL
-  },
+  }
 };
 
 static struct LevelFileConfigInfo chunk_config_CUSX_change[] =
@@ -1029,7 +1127,7 @@ static struct LevelFileConfigInfo chunk_config_CUSX_change[] =
   {
     -1,                                        -1,
     TYPE_ELEMENT,                      CONF_VALUE_16_BIT(5),
-    &xx_change.trigger_element,                EL_EMPTY_SPACE
+    &xx_change.initial_trigger_element,        EL_EMPTY_SPACE
   },
 
   {
@@ -1084,6 +1182,12 @@ static struct LevelFileConfigInfo chunk_config_CUSX_change[] =
     &xx_change.action_arg,             CA_ARG_UNDEFINED
   },
 
+  {
+    -1,                                        -1,
+    TYPE_ELEMENT,                      CONF_VALUE_16_BIT(7),
+    &xx_change.action_element,         EL_EMPTY_SPACE
+  },
+
   {
     -1,                                        -1,
     TYPE_CONTENT_LIST,                 CONF_VALUE_BYTES(1),
@@ -1094,8 +1198,8 @@ static struct LevelFileConfigInfo chunk_config_CUSX_change[] =
   {
     -1,                                        -1,
     -1,                                        -1,
-    NULL,                              -1,
-  },
+    NULL,                              -1
+  }
 };
 
 static struct LevelFileConfigInfo chunk_config_GRPX[] =
@@ -1116,7 +1220,7 @@ static struct LevelFileConfigInfo chunk_config_GRPX[] =
   {
     -1,                                        -1,
     TYPE_ELEMENT,                      CONF_VALUE_16_BIT(1),
-    &xx_ei.gfx_element,                        EL_EMPTY_SPACE
+    &xx_ei.gfx_element_initial,                EL_EMPTY_SPACE
   },
 
   {
@@ -1135,8 +1239,63 @@ static struct LevelFileConfigInfo chunk_config_GRPX[] =
   {
     -1,                                        -1,
     -1,                                        -1,
-    NULL,                              -1,
+    NULL,                              -1
+  }
+};
+
+static struct LevelFileConfigInfo chunk_config_CONF[] =                /* (OBSOLETE) */
+{
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(9),
+    &li.block_snap_field,              TRUE
+  },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(13),
+    &li.continuous_snapping,           TRUE
+  },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(1),
+    &li.initial_player_stepsize[0],    STEPSIZE_NORMAL
+  },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(10),
+    &li.use_start_element[0],          FALSE
+  },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_ELEMENT,                      CONF_VALUE_16_BIT(1),
+    &li.start_element[0],              EL_PLAYER_1
+  },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(11),
+    &li.use_artwork_element[0],                FALSE
+  },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_ELEMENT,                      CONF_VALUE_16_BIT(2),
+    &li.artwork_element[0],            EL_PLAYER_1
+  },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(12),
+    &li.use_explosion_element[0],      FALSE
   },
+  {
+    EL_PLAYER_1,                       -1,
+    TYPE_ELEMENT,                      CONF_VALUE_16_BIT(3),
+    &li.explosion_element[0],          EL_PLAYER_1
+  },
+
+  {
+    -1,                                        -1,
+    -1,                                        -1,
+    NULL,                              -1
+  }
 };
 
 static struct
@@ -1161,6 +1320,22 @@ filetype_id_list[] =
 /* level file functions                                                      */
 /* ========================================================================= */
 
+static boolean check_special_flags(char *flag)
+{
+#if 0
+  printf("::: '%s', '%s', '%s'\n",
+        flag,
+        options.special_flags,
+        leveldir_current->special_flags);
+#endif
+
+  if (strEqual(options.special_flags, flag) ||
+      strEqual(leveldir_current->special_flags, flag))
+    return TRUE;
+
+  return FALSE;
+}
+
 static struct DateInfo getCurrentDate()
 {
   time_t epoch_seconds = time(NULL);
@@ -1171,6 +1346,8 @@ static struct DateInfo getCurrentDate()
   date.month = now->tm_mon  + 1;
   date.day   = now->tm_mday;
 
+  date.src   = DATE_SRC_CLOCK;
+
   return date;
 }
 
@@ -1194,7 +1371,11 @@ static void setEventFlagsFromEventBits(struct ElementChangeInfo *change)
 {
   int i;
 
-  /* important: only change event flag if corresponding event bit is set */
+  /* important: only change event flag if corresponding event bit is set
+     (this is because all xx_event_bits[] values are loaded separately,
+     and all xx_event_bits[] values are set back to zero before loading
+     another value xx_event_bits[x] (each value representing 32 flags)) */
+
   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
     if (xx_event_bits[CH_EVENT_BITFIELD_NR(i)] & CH_EVENT_BIT(i))
       change->has_event[i] = TRUE;
@@ -1204,7 +1385,11 @@ static void setEventBitsFromEventFlags(struct ElementChangeInfo *change)
 {
   int i;
 
-  /* important: only change event bit if corresponding event flag is set */
+  /* in contrast to the above function setEventFlagsFromEventBits(), it
+     would also be possible to set all bits in xx_event_bits[] to 0 or 1
+     depending on the corresponding change->has_event[i] values here, as
+     all xx_event_bits[] values are reset in resetEventBits() before */
+
   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
     if (change->has_event[i])
       xx_event_bits[CH_EVENT_BITFIELD_NR(i)] |= CH_EVENT_BIT(i);
@@ -1343,16 +1528,10 @@ static void copyConfigFromConfigList(struct LevelFileConfigInfo *conf)
   }
 }
 
-#if 1
 void copyElementInfo(struct ElementInfo *ei_from, struct ElementInfo *ei_to)
 {
-#if 1
   int i;
-#else
-  int i, x, y;
-#endif
 
-#if 1
   xx_ei = *ei_from;    /* copy element data into temporary buffer */
   yy_ei = *ei_to;      /* copy element data into temporary buffer */
 
@@ -1360,56 +1539,6 @@ void copyElementInfo(struct ElementInfo *ei_from, struct ElementInfo *ei_to)
 
   *ei_from = xx_ei;
   *ei_to   = yy_ei;
-#endif
-
-#if 0
-  /* ---------- copy element description ---------- */
-  for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
-    ei_to->description[i] = ei_from->description[i];
-
-  /* ---------- copy element base properties ---------- */
-  ei_to->properties[EP_BITFIELD_BASE_NR] =
-    ei_from->properties[EP_BITFIELD_BASE_NR];
-
-  /* ---------- copy custom property values ---------- */
-
-  ei_to->use_gfx_element = ei_from->use_gfx_element;
-  ei_to->gfx_element = ei_from->gfx_element;
-
-  ei_to->access_direction = ei_from->access_direction;
-
-  ei_to->collect_score_initial = ei_from->collect_score_initial;
-  ei_to->collect_count_initial = ei_from->collect_count_initial;
-
-  ei_to->ce_value_fixed_initial = ei_from->ce_value_fixed_initial;
-  ei_to->ce_value_random_initial = ei_from->ce_value_random_initial;
-  ei_to->use_last_ce_value = ei_from->use_last_ce_value;
-
-  ei_to->push_delay_fixed = ei_from->push_delay_fixed;
-  ei_to->push_delay_random = ei_from->push_delay_random;
-  ei_to->drop_delay_fixed = ei_from->drop_delay_fixed;
-  ei_to->drop_delay_random = ei_from->drop_delay_random;
-  ei_to->move_delay_fixed = ei_from->move_delay_fixed;
-  ei_to->move_delay_random = ei_from->move_delay_random;
-
-  ei_to->move_pattern = ei_from->move_pattern;
-  ei_to->move_direction_initial = ei_from->move_direction_initial;
-  ei_to->move_stepsize = ei_from->move_stepsize;
-
-  ei_to->move_enter_element = ei_from->move_enter_element;
-  ei_to->move_leave_element = ei_from->move_leave_element;
-  ei_to->move_leave_type = ei_from->move_leave_type;
-
-  ei_to->slippery_type = ei_from->slippery_type;
-
-  ei_to->explosion_type = ei_from->explosion_type;
-  ei_to->explosion_delay = ei_from->explosion_delay;
-  ei_to->ignition_delay = ei_from->ignition_delay;
-
-  for (y = 0; y < 3; y++)
-    for (x = 0; x < 3; x++)
-      ei_to->content.e[x][y] = ei_from->content.e[x][y];
-#endif
 
   /* ---------- reinitialize and copy change pages ---------- */
 
@@ -1428,7 +1557,6 @@ void copyElementInfo(struct ElementInfo *ei_from, struct ElementInfo *ei_to)
   /* mark this custom element as modified */
   ei_to->modified_settings = TRUE;
 }
-#endif
 
 void setElementChangePages(struct ElementInfo *ei, int change_pages)
 {
@@ -1447,55 +1575,18 @@ void setElementChangePages(struct ElementInfo *ei, int change_pages)
 
 void setElementChangeInfoToDefaults(struct ElementChangeInfo *change)
 {
-#if 0
-  int i, x, y;
-#endif
-
-#if 1
   xx_change = *change;         /* copy change data into temporary buffer */
+
+#if 0
+  /* (not needed; set by setConfigToDefaultsFromConfigList()) */
   xx_num_contents = 1;
+#endif
 
   setConfigToDefaultsFromConfigList(chunk_config_CUSX_change);
 
   *change = xx_change;
 
   resetEventFlags(change);
-#endif
-
-#if 0
-  change->can_change = FALSE;
-
-  for (i = 0; i < NUM_CHANGE_EVENTS; i++)
-    change->has_event[i] = FALSE;
-
-  change->trigger_player = CH_PLAYER_ANY;
-  change->trigger_side = CH_SIDE_ANY;
-  change->trigger_page = CH_PAGE_ANY;
-
-  change->target_element = EL_EMPTY_SPACE;
-
-  change->delay_fixed = 0;
-  change->delay_random = 0;
-  change->delay_frames = FRAMES_PER_SECOND;
-
-  change->trigger_element = EL_EMPTY_SPACE;
-
-  change->explode = FALSE;
-  change->use_target_content = FALSE;
-  change->only_if_complete = FALSE;
-  change->use_random_replace = FALSE;
-  change->random_percentage = 100;
-  change->replace_when = CP_WHEN_EMPTY;
-
-  change->has_action = FALSE;
-  change->action_type = CA_NO_ACTION;
-  change->action_mode = CA_MODE_UNDEFINED;
-  change->action_arg = CA_ARG_UNDEFINED;
-
-  for (x = 0; x < 3; x++)
-    for (y = 0; y < 3; y++)
-      change->target_content.e[x][y] = EL_EMPTY_SPACE;
-#endif
 
   change->direct_action = 0;
   change->other_action = 0;
@@ -1508,142 +1599,36 @@ void setElementChangeInfoToDefaults(struct ElementChangeInfo *change)
 static void setLevelInfoToDefaults(struct LevelInfo *level)
 {
   static boolean clipboard_elements_initialized = FALSE;
-#if 0
-  int i, j, x, y;
-#else
   int i, x, y;
-#endif
 
-#if 1
   InitElementPropertiesStatic();
-#endif
 
-#if 1
   li = *level;         /* copy level data into temporary buffer */
 
   setConfigToDefaultsFromConfigList(chunk_config_INFO);
   setConfigToDefaultsFromConfigList(chunk_config_ELEM);
 
   *level = li;         /* copy temporary buffer back to level data */
-#endif
 
   setLevelInfoToDefaults_EM();
+  setLevelInfoToDefaults_SP();
 
   level->native_em_level = &native_em_level;
-
-#if 0
-  level->game_engine_type = GAME_ENGINE_TYPE_RND;
-#endif
+  level->native_sp_level = &native_sp_level;
 
   level->file_version = FILE_VERSION_ACTUAL;
   level->game_version = GAME_VERSION_ACTUAL;
 
   level->creation_date = getCurrentDate();
 
-#if 1
   level->encoding_16bit_field  = TRUE;
   level->encoding_16bit_yamyam = TRUE;
   level->encoding_16bit_amoeba = TRUE;
-#else
-  level->encoding_16bit_field  = FALSE;        /* default: only 8-bit elements */
-  level->encoding_16bit_yamyam = FALSE;        /* default: only 8-bit elements */
-  level->encoding_16bit_amoeba = FALSE;        /* default: only 8-bit elements */
-#endif
-
-#if 0
-  level->fieldx = STD_LEV_FIELDX;
-  level->fieldy = STD_LEV_FIELDY;
-#endif
 
   for (x = 0; x < MAX_LEV_FIELDX; x++)
     for (y = 0; y < MAX_LEV_FIELDY; y++)
       level->field[x][y] = EL_SAND;
 
-#if 0
-  level->time = 100;
-  level->gems_needed = 0;
-
-  level->amoeba_speed = 10;
-
-  level->time_magic_wall = 10;
-  level->time_wheel = 10;
-#endif
-#if 0
-  level->time_light = 10;
-  level->time_timegate = 10;
-#endif
-
-#if 0
-  level->amoeba_content = EL_DIAMOND;
-#endif
-
-#if 0
-  level->game_of_life[0] = 2;
-  level->game_of_life[1] = 3;
-  level->game_of_life[2] = 3;
-  level->game_of_life[3] = 3;
-
-  level->biomaze[0] = 2;
-  level->biomaze[1] = 3;
-  level->biomaze[2] = 3;
-  level->biomaze[3] = 3;
-#endif
-
-#if 0
-  level->double_speed = FALSE;
-#endif
-#if 0
-  level->initial_gravity = FALSE;
-  level->em_slippery_gems = FALSE;
-  level->instant_relocation = FALSE;
-  level->can_pass_to_walkable = FALSE;
-  level->grow_into_diggable = TRUE;
-#endif
-
-#if 0
-  level->block_snap_field = TRUE;
-#endif
-
-#if 0
-  level->block_last_field = FALSE;     /* EM does not block by default */
-  level->sp_block_last_field = TRUE;   /* SP blocks the last field */
-
-  level->can_move_into_acid_bits = ~0; /* everything can move into acid */
-  level->dont_collide_with_bits = ~0;  /* always deadly when colliding */
-
-  level->use_spring_bug = FALSE;
-  level->use_time_orb_bug = FALSE;
-
-  level->use_step_counter = FALSE;
-#endif
-
-  /* values for the new EMC elements */
-#if 0
-  level->android_move_time = 10;
-  level->android_clone_time = 10;
-  level->ball_time = 10;
-  level->lenses_score = 10;
-  level->lenses_time = 10;
-  level->magnify_score = 10;
-  level->magnify_time = 10;
-  level->slurp_score = 10;
-  level->wind_direction_initial = MV_NONE;
-  level->ball_random = FALSE;
-  level->ball_state_initial = FALSE;
-
-  for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
-    for (x = 0; x < 3; x++)
-      for (y = 0; y < 3; y++)
-       level->ball_content[i].e[x][y] = EL_EMPTY;
-
-  for (i = 0; i < 16; i++)
-    level->android_array[i] = FALSE;
-#endif
-
-#if 0
-  level->use_custom_template = FALSE;
-#endif
-
   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
     level->name[i] = '\0';
   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
@@ -1652,29 +1637,6 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
   strcpy(level->name, NAMELESS_LEVEL_NAME);
   strcpy(level->author, ANONYMOUS_NAME);
 
-#if 0
-  for (i = 0; i < 4; i++)
-  {
-    level->envelope_text[i][0] = '\0';
-    level->envelope_xsize[i] = MAX_ENVELOPE_XSIZE;
-    level->envelope_ysize[i] = MAX_ENVELOPE_YSIZE;
-  }
-#endif
-
-#if 0
-  for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
-    level->score[i] = (i == SC_TIME_BONUS ? 1 : 10);
-#endif
-
-#if 0
-  level->num_yamyam_contents = STD_ELEMENT_CONTENTS;
-  for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
-    for (x = 0; x < 3; x++)
-      for (y = 0; y < 3; y++)
-       level->yamyam_content[i].e[x][y] =
-         (i < STD_ELEMENT_CONTENTS ? EL_ROCK : EL_EMPTY);
-#endif
-
   level->field[0][0] = EL_PLAYER_1;
   level->field[STD_LEV_FIELDX - 1][STD_LEV_FIELDY - 1] = EL_EXIT_CLOSED;
 
@@ -1683,6 +1645,11 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
     int element = i;
     struct ElementInfo *ei = &element_info[element];
 
+    /* never initialize clipboard elements after the very first time */
+    /* (to be able to use clipboard elements between several levels) */
+    if (IS_CLIPBOARD_ELEMENT(element) && clipboard_elements_initialized)
+      continue;
+
     if (IS_ENVELOPE(element))
     {
       int envelope_nr = element - EL_ENVELOPE_1;
@@ -1692,7 +1659,6 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
       level->envelope[envelope_nr] = xx_envelope;
     }
 
-#if 1
     if (IS_CUSTOM_ELEMENT(element) ||
        IS_GROUP_ELEMENT(element) ||
        IS_INTERNAL_ELEMENT(element))
@@ -1703,12 +1669,6 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
 
       *ei = xx_ei;
     }
-#endif
-
-    /* never initialize clipboard elements after the very first time */
-    /* (to be able to use clipboard elements between several levels) */
-    if (IS_CLIPBOARD_ELEMENT(element) && clipboard_elements_initialized)
-      continue;
 
     setElementChangePages(ei, 1);
     setElementChangeInfoToDefaults(ei->change);
@@ -1717,22 +1677,7 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
        IS_GROUP_ELEMENT(element) ||
        IS_INTERNAL_ELEMENT(element))
     {
-#if 1
       setElementDescriptionToDefault(ei);
-#else
-      for (j = 0; j < MAX_ELEMENT_NAME_LEN + 1; j++)
-       ei->description[j] = '\0';
-
-      if (ei->custom_description != NULL)
-       strncpy(ei->description, ei->custom_description,MAX_ELEMENT_NAME_LEN);
-      else
-       strcpy(ei->description, ei->editor_description);
-#endif
-
-#if 0
-      ei->use_gfx_element = FALSE;
-      ei->gfx_element = EL_EMPTY_SPACE;
-#endif
 
       ei->modified_settings = FALSE;
     }
@@ -1740,46 +1685,6 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
     if (IS_CUSTOM_ELEMENT(element) ||
        IS_INTERNAL_ELEMENT(element))
     {
-#if 0
-      ei->access_direction = MV_ALL_DIRECTIONS;
-
-      ei->collect_score_initial = 10;  /* special default */
-      ei->collect_count_initial = 1;   /* special default */
-
-      ei->ce_value_fixed_initial = 0;
-      ei->ce_value_random_initial = 0;
-      ei->use_last_ce_value = FALSE;
-
-#endif
-#if 0
-      ei->push_delay_fixed = -1;       /* initialize later */
-      ei->push_delay_random = -1;      /* initialize later */
-#endif
-#if 0
-      ei->drop_delay_fixed = 0;
-      ei->drop_delay_random = 0;
-      ei->move_delay_fixed = 0;
-      ei->move_delay_random = 0;
-
-      ei->move_pattern = MV_ALL_DIRECTIONS;
-      ei->move_direction_initial = MV_START_AUTOMATIC;
-      ei->move_stepsize = TILEX / 8;
-
-      ei->move_enter_element = EL_EMPTY_SPACE;
-      ei->move_leave_element = EL_EMPTY_SPACE;
-      ei->move_leave_type = LEAVE_TYPE_UNLIMITED;
-
-      ei->slippery_type = SLIPPERY_ANY_RANDOM;
-
-      ei->explosion_type = EXPLODES_3X3;
-      ei->explosion_delay = 16;
-      ei->ignition_delay = 8;
-
-      for (x = 0; x < 3; x++)
-       for (y = 0; y < 3; y++)
-         ei->content.e[x][y] = EL_EMPTY_SPACE;
-#endif
-
       /* internal values used in level editor */
 
       ei->access_type = 0;
@@ -1794,24 +1699,6 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
       ei->can_explode_impact = FALSE;
 
       ei->current_change_page = 0;
-
-#if 0
-      /* !!! now done in InitElementPropertiesStatic() (see above) !!! */
-      /* !!! (else properties set there will be overwritten here)  !!! */
-      /* start with no properties at all */
-#if 1
-      for (j = 0; j < NUM_EP_BITFIELDS; j++)
-       ei->properties[j] = EP_BITMASK_DEFAULT;
-#else
-      for (j = 0; j < NUM_EP_BITFIELDS; j++)
-       Properties[element][j] = EP_BITMASK_DEFAULT;
-#endif
-#endif
-
-#if 0
-      /* now set default properties */
-      SET_PROPERTY(element, EP_CAN_MOVE_INTO_ACID, TRUE);
-#endif
     }
 
     if (IS_GROUP_ELEMENT(element) ||
@@ -1825,23 +1712,11 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
 
       group = ei->group;
 
-#if 1
       xx_group = *group;       /* copy group data into temporary buffer */
 
       setConfigToDefaultsFromConfigList(chunk_config_GRPX);
 
       *group = xx_group;
-#endif
-
-#if 0
-      for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
-       group->element[j] = EL_EMPTY_SPACE;
-
-      /* default: only one element in group */
-      group->num_elements = 1;
-
-      group->choice_mode = ANIM_RANDOM;
-#endif
     }
   }
 
@@ -1853,6 +1728,9 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
 
   level->changed = FALSE;
 
+  /* set all bug compatibility flags to "false" => do not emulate this bug */
+  level->use_action_after_change_bug = FALSE;
+
   if (leveldir_current == NULL)                /* only when dumping level */
     return;
 
@@ -1898,15 +1776,44 @@ static void setFileInfoToDefaults(struct LevelFileInfo *level_file_info)
 
 static void ActivateLevelTemplate()
 {
-#if 1
+  int x, y;
+
   /* Currently there is no special action needed to activate the template
      data, because 'element_info' property settings overwrite the original
      level data, while all other variables do not change. */
-#else
-  /* Currently there is no special action needed to activate the template
-     data, because 'element_info' and 'Properties' overwrite the original
-     level data, while all other variables do not change. */
-#endif
+
+  /* Exception: 'from_level_template' elements in the original level playfield
+     are overwritten with the corresponding elements at the same position in
+     playfield from the level template. */
+
+  for (x = 0; x < level.fieldx; x++)
+    for (y = 0; y < level.fieldy; y++)
+      if (level.field[x][y] == EL_FROM_LEVEL_TEMPLATE)
+       level.field[x][y] = level_template.field[x][y];
+
+  if (check_special_flags("load_xsb_to_ces"))
+  {
+    struct LevelInfo level_backup = level;
+
+    /* overwrite all individual level settings from template level settings */
+    level = level_template;
+
+    /* restore playfield size */
+    level.fieldx = level_backup.fieldx;
+    level.fieldy = level_backup.fieldy;
+
+    /* restore playfield content */
+    for (x = 0; x < level.fieldx; x++)
+      for (y = 0; y < level.fieldy; y++)
+       level.field[x][y] = level_backup.field[x][y];
+
+    /* restore name and author from individual level */
+    strcpy(level.name,   level_backup.name);
+    strcpy(level.author, level_backup.author);
+
+    /* restore flag "use_custom_template" */
+    level.use_custom_template = level_backup.use_custom_template;
+  }
 }
 
 static char *getLevelFilenameFromBasename(char *basename)
@@ -1922,15 +1829,32 @@ static char *getLevelFilenameFromBasename(char *basename)
 
 static int getFileTypeFromBasename(char *basename)
 {
+  /* !!! ALSO SEE COMMENT IN checkForPackageFromBasename() !!! */
+
   static char *filename = NULL;
   struct stat file_status;
 
   /* ---------- try to determine file type from filename ---------- */
 
   /* check for typical filename of a Supaplex level package file */
+#if 1
+  if (strlen(basename) == 10 && strPrefixLower(basename, "levels.d"))
+    return LEVEL_FILE_TYPE_SP;
+#else
   if (strlen(basename) == 10 && (strncmp(basename, "levels.d", 8) == 0 ||
                                 strncmp(basename, "LEVELS.D", 8) == 0))
     return LEVEL_FILE_TYPE_SP;
+#endif
+
+  /* check for typical filename of a Diamond Caves II level package file */
+  if (strSuffixLower(basename, ".dc") ||
+      strSuffixLower(basename, ".dc2"))
+    return LEVEL_FILE_TYPE_DC;
+
+  /* check for typical filename of a Sokoban level package file */
+  if (strSuffixLower(basename, ".xsb") &&
+      strchr(basename, '%') == NULL)
+    return LEVEL_FILE_TYPE_SB;
 
   /* ---------- try to determine file type from filesize ---------- */
 
@@ -1947,18 +1871,31 @@ static int getFileTypeFromBasename(char *basename)
   return LEVEL_FILE_TYPE_UNKNOWN;
 }
 
-static char *getSingleLevelBasename(int nr)
+static boolean checkForPackageFromBasename(char *basename)
+{
+  /* !!! WON'T WORK ANYMORE IF getFileTypeFromBasename() ALSO DETECTS !!!
+     !!! SINGLE LEVELS (CURRENTLY ONLY DETECTS LEVEL PACKAGES         !!! */
+
+  return (getFileTypeFromBasename(basename) != LEVEL_FILE_TYPE_UNKNOWN);
+}
+
+static char *getSingleLevelBasenameExt(int nr, char *extension)
 {
   static char basename[MAX_FILENAME_LEN];
 
   if (nr < 0)
-    sprintf(basename, "template.%s", LEVELFILE_EXTENSION);
+    sprintf(basename, "template.%s", extension);
   else
-    sprintf(basename, "%03d.%s", nr, LEVELFILE_EXTENSION);
+    sprintf(basename, "%03d.%s", nr, extension);
 
   return basename;
 }
 
+static char *getSingleLevelBasename(int nr)
+{
+  return getSingleLevelBasenameExt(nr, LEVELFILE_EXTENSION);
+}
+
 static char *getPackedLevelBasename(int type)
 {
   static char basename[MAX_FILENAME_LEN];
@@ -2086,9 +2023,33 @@ static void determineLevelFileInfo_Filename(struct LevelFileInfo *lfi)
   /* special case: level number is negative => check for level template file */
   if (nr < 0)
   {
+#if 1
+    /* global variable "leveldir_current" must be modified in the loop below */
+    LevelDirTree *leveldir_current_last = leveldir_current;
+
+    /* check for template level in path from current to topmost tree node */
+
+    while (leveldir_current != NULL)
+    {
+      setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
+                                          "template.%s", LEVELFILE_EXTENSION);
+
+      if (fileExists(lfi->filename))
+       break;
+
+      leveldir_current = leveldir_current->node_parent;
+    }
+
+    /* restore global variable "leveldir_current" modified in above loop */
+    leveldir_current = leveldir_current_last;
+
+#else
+
     setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
                                         "template.%s", LEVELFILE_EXTENSION);
 
+#endif
+
     /* no fallback if template file not existing */
     return;
   }
@@ -2100,6 +2061,9 @@ static void determineLevelFileInfo_Filename(struct LevelFileInfo *lfi)
 
     setLevelFileInfo_FormatLevelFilename(lfi, filetype,
                                         leveldir_current->level_filename, nr);
+
+    lfi->packed = checkForPackageFromBasename(leveldir_current->level_filename);
+
     if (fileExists(lfi->filename))
       return;
   }
@@ -2184,6 +2148,7 @@ int getMappedElement(int element)
 
     case EL_KEY_OBSOLETE:
       element = EL_KEY_1;
+      break;
 
     case EL_EM_KEY_1_FILE_OBSOLETE:
       element = EL_EM_KEY_1;
@@ -2262,6 +2227,8 @@ static int LoadLevel_DATE(FILE *file, int chunk_size, struct LevelInfo *level)
   level->creation_date.month = getFile8Bit(file);
   level->creation_date.day   = getFile8Bit(file);
 
+  level->creation_date.src   = DATE_SRC_LEVELFILE;
+
   return chunk_size;
 }
 
@@ -2299,12 +2266,12 @@ static int LoadLevel_HEAD(FILE *file, int chunk_size, struct LevelInfo *level)
                                   STEPSIZE_NORMAL);
 
   for (i = 0; i < MAX_PLAYERS; i++)
-    level->initial_player_stepsize[0] = initial_player_stepsize;
+    level->initial_player_stepsize[i] = initial_player_stepsize;
 
   initial_player_gravity       = (getFile8Bit(file) == 1 ? TRUE : FALSE);
 
   for (i = 0; i < MAX_PLAYERS; i++)
-    level->initial_player_gravity[0] = initial_player_gravity;
+    level->initial_player_gravity[i] = initial_player_gravity;
 
   level->encoding_16bit_field  = (getFile8Bit(file) == 1 ? TRUE : FALSE);
   level->em_slippery_gems      = (getFile8Bit(file) == 1 ? TRUE : FALSE);
@@ -2514,23 +2481,15 @@ static int LoadLevel_CUS1(FILE *file, int chunk_size, struct LevelInfo *level)
     int element = getMappedElement(getFile16BitBE(file));
     int properties = getFile32BitBE(file);
 
-#if 1
     if (IS_CUSTOM_ELEMENT(element))
       element_info[element].properties[EP_BITFIELD_BASE_NR] = properties;
     else
       Error(ERR_WARN, "invalid custom element number %d", element);
-#else
-    if (IS_CUSTOM_ELEMENT(element))
-      Properties[element][EP_BITFIELD_BASE_NR] = properties;
-    else
-      Error(ERR_WARN, "invalid custom element number %d", element);
-#endif
 
-#if 1
-    /* needed for older levels (see src/init.c for details) */
-    element_info[element].push_delay_fixed = -1;       /* initialize later */
-    element_info[element].push_delay_random = -1;      /* initialize later */
-#endif
+    /* older game versions that wrote level files with CUS1 chunks used
+       different default push delay values (not yet stored in level file) */
+    element_info[element].push_delay_fixed = 2;
+    element_info[element].push_delay_random = 8;
   }
 
   return chunk_size;
@@ -2591,17 +2550,13 @@ static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level)
       ei->description[j] = getFile8Bit(file);
     ei->description[MAX_ELEMENT_NAME_LEN] = 0;
 
-#if 1
     ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
-#else
-    Properties[element][EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
-#endif
 
     /* some free bytes for future properties and padding */
     ReadUnusedBytesFromFile(file, 7);
 
     ei->use_gfx_element = getFile8Bit(file);
-    ei->gfx_element = getMappedElement(getFile16BitBE(file));
+    ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
 
     ei->collect_score_initial = getFile8Bit(file);
     ei->collect_count_initial = getFile8Bit(file);
@@ -2630,7 +2585,7 @@ static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level)
     ei->change->delay_random = getFile16BitBE(file);
     ei->change->delay_frames = getFile16BitBE(file);
 
-    ei->change->trigger_element = getMappedElement(getFile16BitBE(file));
+    ei->change->initial_trigger_element= getMappedElement(getFile16BitBE(file));
 
     ei->change->explode = getFile8Bit(file);
     ei->change->use_target_content = getFile8Bit(file);
@@ -2682,11 +2637,8 @@ static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level)
     ei->description[i] = getFile8Bit(file);
   ei->description[MAX_ELEMENT_NAME_LEN] = 0;
 
-#if 1
   ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
-#else
-  Properties[element][EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
-#endif
+
   ReadUnusedBytesFromFile(file, 4);    /* reserved for more base properties */
 
   ei->num_change_pages = getFile8Bit(file);
@@ -2703,7 +2655,7 @@ static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level)
   ei->use_last_ce_value = getFile8Bit(file);
 
   ei->use_gfx_element = getFile8Bit(file);
-  ei->gfx_element = getMappedElement(getFile16BitBE(file));
+  ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
 
   ei->collect_score_initial = getFile8Bit(file);
   ei->collect_count_initial = getFile8Bit(file);
@@ -2766,7 +2718,7 @@ static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level)
     change->delay_random = getFile16BitBE(file);
     change->delay_frames = getFile16BitBE(file);
 
-    change->trigger_element = getMappedElement(getFile16BitBE(file));
+    change->initial_trigger_element = getMappedElement(getFile16BitBE(file));
 
     change->explode = getFile8Bit(file);
     change->use_target_content = getFile8Bit(file);
@@ -2836,7 +2788,7 @@ static int LoadLevel_GRP1(FILE *file, int chunk_size, struct LevelInfo *level)
   group->num_elements = getFile8Bit(file);
 
   ei->use_gfx_element = getFile8Bit(file);
-  ei->gfx_element = getMappedElement(getFile16BitBE(file));
+  ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
 
   group->choice_mode = getFile8Bit(file);
 
@@ -2868,10 +2820,6 @@ static int LoadLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *conf,
     int num_bytes = getFile16BitBE(file);
     byte *buffer = checked_malloc(num_bytes);
 
-#if 0
-    printf("::: - found multi bytes\n");
-#endif
-
     ReadBytesFromFile(file, buffer, num_bytes);
 
     for (i = 0; conf[i].data_type != -1; i++)
@@ -2892,7 +2840,21 @@ static int LoadLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *conf,
          num_entities = max_num_entities;
        }
 
-       *(int *)(conf[i].num_entities) = num_entities;
+       if (num_entities == 0 && (data_type == TYPE_ELEMENT_LIST ||
+                                 data_type == TYPE_CONTENT_LIST))
+       {
+         /* for element and content lists, zero entities are not allowed */
+         Error(ERR_WARN, "found empty list of entities for element %d",
+               element);
+
+         /* do not set "num_entities" here to prevent reading behind buffer */
+
+         *(int *)(conf[i].num_entities) = 1;   /* at least one is required */
+       }
+       else
+       {
+         *(int *)(conf[i].num_entities) = num_entities;
+       }
 
        element_found = TRUE;
 
@@ -2941,10 +2903,6 @@ static int LoadLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *conf,
                 byte_mask == CONF_MASK_2_BYTE ? getFile16BitBE(file) :
                 byte_mask == CONF_MASK_4_BYTE ? getFile32BitBE(file) : 0);
 
-#if 0
-    printf("::: - found single bytes\n");
-#endif
-
     for (i = 0; conf[i].data_type != -1; i++)
     {
       if (conf[i].element == element &&
@@ -3005,135 +2963,46 @@ static int LoadLevel_INFO(FILE *file, int chunk_size, struct LevelInfo *level)
   return real_chunk_size;
 }
 
-static int LoadLevel_ELEM(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_CONF(FILE *file, int chunk_size, struct LevelInfo *level)
 {
   int real_chunk_size = 0;
 
-#if 1
   li = *level;         /* copy level data into temporary buffer */
-#endif
 
   while (!feof(file))
   {
     int element = getMappedElement(getFile16BitBE(file));
-#if 1
+
     real_chunk_size += 2;
-    real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_ELEM,
+    real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CONF,
                                            element, element);
-#else
-    int conf_type = getFile8Bit(file);
-    int byte_mask = conf_type & CONF_MASK_BYTES;
-    boolean element_found = FALSE;
-    int i;
-
-    real_chunk_size += 3;
-
-#if 0
-    li = *level;       /* copy level data into temporary buffer */
-#endif
-
-    if (byte_mask == CONF_MASK_MULTI_BYTES)
-    {
-      int num_bytes = getFile16BitBE(file);
-      byte *buffer = checked_malloc(num_bytes);
-
-      ReadBytesFromFile(file, buffer, num_bytes);
-
-      for (i = 0; chunk_config_ELEM[i].data_type != -1; i++)
-      {
-       if (chunk_config_ELEM[i].element == element &&
-           chunk_config_ELEM[i].conf_type == conf_type)
-       {
-         int data_type = chunk_config_ELEM[i].data_type;
-         int num_entities = num_bytes / CONF_ENTITY_NUM_BYTES(data_type);
-         int max_num_entities = chunk_config_ELEM[i].max_num_entities;
-
-         if (num_entities > max_num_entities)
-         {
-           Error(ERR_WARN,
-                 "truncating number of entities for element %d from %d to %d",
-                 element, num_entities, max_num_entities);
-
-           num_entities = max_num_entities;
-         }
-
-         *(int *)(chunk_config_ELEM[i].num_entities) = num_entities;
-
-         element_found = TRUE;
-
-         if (data_type == TYPE_ELEMENT_LIST)
-         {
-           int *element_array = (int *)(chunk_config_ELEM[i].value);
-           int j;
-
-           for (j = 0; j < num_entities; j++)
-             element_array[j] =
-               getMappedElement(CONF_ELEMENTS_ELEMENT(buffer, j));
-         }
-         else if (data_type == TYPE_CONTENT_LIST)
-         {
-           struct Content *content= (struct Content *)(chunk_config_ELEM[i].value);
-           int c, x, y;
-
-           for (c = 0; c < num_entities; c++)
-             for (y = 0; y < 3; y++)
-               for (x = 0; x < 3; x++)
-                 content[c].e[x][y] =
-                   getMappedElement(CONF_CONTENTS_ELEMENT(buffer, c, x, y));
-         }
-         else
-           element_found = FALSE;
-
-         break;
-       }
-      }
-
-      checked_free(buffer);
-
-      real_chunk_size += 2 + num_bytes;
-    }
-    else       /* constant size configuration data (1, 2 or 4 bytes) */
-    {
-      int value = (byte_mask == CONF_MASK_1_BYTE ? getFile8Bit   (file) :
-                  byte_mask == CONF_MASK_2_BYTE ? getFile16BitBE(file) :
-                  byte_mask == CONF_MASK_4_BYTE ? getFile32BitBE(file) : 0);
-
-      for (i = 0; chunk_config_ELEM[i].data_type != -1; i++)
-      {
-       if (chunk_config_ELEM[i].element == element &&
-           chunk_config_ELEM[i].conf_type == conf_type)
-       {
-         int data_type = chunk_config_ELEM[i].data_type;
-
-         if (data_type == TYPE_BOOLEAN)
-           *(boolean *)(chunk_config_ELEM[i].value) = value;
-         else
-           *(int *)    (chunk_config_ELEM[i].value) = value;
+    if (real_chunk_size >= chunk_size)
+      break;
+  }
 
-         element_found = TRUE;
+  *level = li;         /* copy temporary buffer back to level data */
 
-         break;
-       }
-      }
+  return real_chunk_size;
+}
 
-      real_chunk_size += CONF_VALUE_NUM_BYTES(byte_mask);
-    }
+static int LoadLevel_ELEM(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+  int real_chunk_size = 0;
 
-    if (!element_found)
-      Error(ERR_WARN, "cannot load CONF value for element %d", element);
-#endif
+  li = *level;         /* copy level data into temporary buffer */
 
-#if 0
-    *level = li;       /* copy temporary buffer back to level data */
-#endif
+  while (!feof(file))
+  {
+    int element = getMappedElement(getFile16BitBE(file));
 
+    real_chunk_size += 2;
+    real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_ELEM,
+                                           element, element);
     if (real_chunk_size >= chunk_size)
       break;
   }
 
-#if 1
   *level = li;         /* copy temporary buffer back to level data */
-#endif
 
   return real_chunk_size;
 }
@@ -3165,10 +3034,6 @@ static int LoadLevel_CUSX(FILE *file, int chunk_size, struct LevelInfo *level)
   struct ElementInfo *ei = &element_info[element];
   int i;
 
-#if 0
-  printf("::: CUSX: loading element '%s' ...\n", EL_NAME(element));
-#endif
-
   xx_ei = *ei;         /* copy element data into temporary buffer */
 
   xx_ei.num_change_pages = -1;
@@ -3177,11 +3042,6 @@ static int LoadLevel_CUSX(FILE *file, int chunk_size, struct LevelInfo *level)
   {
     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_base,
                                            -1, element);
-
-#if 0
-    printf("::: - real_chunk_size now %d\n", real_chunk_size);
-#endif
-
     if (xx_ei.num_change_pages != -1)
       break;
 
@@ -3272,8 +3132,12 @@ static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
   {
     level->no_valid_file = TRUE;
 
+#if 1
+    Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+#else
     if (level != &level_template)
       Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+#endif
 
     return;
   }
@@ -3353,6 +3217,7 @@ static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
       { "CUS3", -1,                    LoadLevel_CUS3 },
       { "CUS4", -1,                    LoadLevel_CUS4 },
       { "GRP1", -1,                    LoadLevel_GRP1 },
+      { "CONF", -1,                    LoadLevel_CONF },
       { "ELEM", -1,                    LoadLevel_ELEM },
       { "NOTE", -1,                    LoadLevel_NOTE },
       { "CUSX", -1,                    LoadLevel_CUSX },
@@ -3847,14 +3712,6 @@ void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
   struct PLAYER **ply = level_em->ply;
   int i, j, x, y;
 
-#if 0
-  printf("::: A\n");
-  for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
-    for (j = 0; j < 8; j++)
-      printf("::: ball %d, %d: %d\n", i, j,
-            level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]);
-#endif
-
   lev->width  = MIN(level->fieldx, EM_MAX_CAVE_WIDTH);
   lev->height = MIN(level->fieldy, EM_MAX_CAVE_HEIGHT);
 
@@ -3907,41 +3764,13 @@ void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
        map_element_RND_to_EM(level->
                              ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]);
 
-#if 0
-  for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
-    for (j = 0; j < 8; j++)
-      printf("::: ball %d, %d: %d\n", i, j,
-            level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]);
-#endif
-
   map_android_clone_elements_RND_to_EM(level);
 
-#if 0
-  for (i = 0; i < 16; i++)
-    lev->android_array[i] = FALSE;     /* !!! YET TO COME !!! */
-#endif
-
   /* first fill the complete playfield with the default border element */
   for (y = 0; y < EM_MAX_CAVE_HEIGHT; y++)
     for (x = 0; x < EM_MAX_CAVE_WIDTH; x++)
       level_em->cave[x][y] = ZBORDER;
 
-#if 1
-
-#if 0
-#if 1
-  LoadLevel_InitPlayfield();
-#else
-  lev_fieldx = lev->width;     /* !!! also in LoadLevel_InitPlayfield() !!! */
-  lev_fieldy = lev->height;    /* !!! also in LoadLevel_InitPlayfield() !!! */
-  SetBorderElement();          /* !!! also in LoadLevel_InitPlayfield() !!! */
-#endif
-#endif
-
-#if 0
-  printf("::: BorderElement == %d\n", BorderElement);
-#endif
-
   if (BorderElement == EL_STEELWALL)
   {
     for (y = 0; y < lev->height + 2; y++)
@@ -3963,93 +3792,33 @@ void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
     level_em->cave[xx][yy] = new_element;
   }
 
-#else
+  for (i = 0; i < MAX_PLAYERS; i++)
+  {
+    ply[i]->x_initial = 0;
+    ply[i]->y_initial = 0;
+  }
 
-  /* then copy the real level contents from level file into the playfield */
+  /* initialize player positions and delete players from the playfield */
   for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++)
   {
-    int new_element = map_element_RND_to_EM(level->field[x][y]);
-
-    if (level->field[x][y] == EL_AMOEBA_DEAD)
-      new_element = map_element_RND_to_EM(EL_AMOEBA_WET);
-
-    level_em->cave[x + 1][y + 1] = new_element;
-  }
-
-#endif
-
-#if 1
-
-  for (i = 0; i < MAX_PLAYERS; i++)
-  {
-    ply[i]->x_initial = 0;
-    ply[i]->y_initial = 0;
-  }
-
-#else
-
-  ply1->x_initial = 0;
-  ply1->y_initial = 0;
-
-  ply2->x_initial = 0;
-  ply2->y_initial = 0;
-
-#endif
-
-  /* initialize player positions and delete players from the playfield */
-  for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++)
-  {
-
-#if 1
-    if (ELEM_IS_PLAYER(level->field[x][y]))
-    {
-      int player_nr = GET_PLAYER_NR(level->field[x][y]);
-      int offset = (BorderElement == EL_STEELWALL ? 1 : 0);
-      int xx = x + 1 + offset;
-      int yy = y + 1 + offset;
+    if (ELEM_IS_PLAYER(level->field[x][y]))
+    {
+      int player_nr = GET_PLAYER_NR(level->field[x][y]);
+      int offset = (BorderElement == EL_STEELWALL ? 1 : 0);
+      int xx = x + 1 + offset;
+      int yy = y + 1 + offset;
 
       ply[player_nr]->x_initial = xx;
       ply[player_nr]->y_initial = yy;
 
       level_em->cave[xx][yy] = map_element_RND_to_EM(EL_EMPTY);
     }
-
-#else
-
-#if 1
-    /* !!! CURRENTLY ONLY SUPPORT FOR ONE PLAYER !!! */
-    if (ELEM_IS_PLAYER(level->field[x][y]))
-    {
-      ply1->x_initial = x + 1;
-      ply1->y_initial = y + 1;
-      level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_EMPTY);
-    }
-#else
-    /* !!! ADD SUPPORT FOR MORE THAN ONE PLAYER !!! */
-    if (level->field[x][y] == EL_PLAYER_1)
-    {
-      ply1->x_initial = x + 1;
-      ply1->y_initial = y + 1;
-      level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_EMPTY);
-    }
-    else if (level->field[x][y] == EL_PLAYER_2)
-    {
-      ply2->x_initial = x + 1;
-      ply2->y_initial = y + 1;
-      level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_EMPTY);
-    }
-#endif
-
-#endif
-
   }
 
   if (BorderElement == EL_STEELWALL)
   {
-#if 1
     lev->width  += 2;
     lev->height += 2;
-#endif
   }
 }
 
@@ -4119,34 +3888,13 @@ void CopyNativeLevel_EM_to_RND(struct LevelInfo *level)
   level->wind_direction_initial =
     map_direction_EM_to_RND(lev->wind_direction_initial);
 
-#if 0
-  printf("::: foo\n");
-  for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
-    for (j = 0; j < 8; j++)
-      printf("::: ball %d, %d: %d\n", i, j,
-            level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]);
-#endif
-
   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
     for (j = 0; j < 8; j++)
       level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]] =
        map_element_EM_to_RND(lev->ball_array[i][j]);
 
-#if 0
-  printf("::: bar\n");
-  for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
-    for (j = 0; j < 8; j++)
-      printf("::: ball %d, %d: %d\n", i, j,
-            level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]);
-#endif
-
   map_android_clone_elements_EM_to_RND(level);
 
-#if 0
-  for (i = 0; i < 16; i++)
-    level->android_array[i] = FALSE;   /* !!! YET TO COME !!! */
-#endif
-
   /* convert the playfield (some elements need special treatment) */
   for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
   {
@@ -4158,16 +3906,6 @@ void CopyNativeLevel_EM_to_RND(struct LevelInfo *level)
     level->field[x][y] = new_element;
   }
 
-#if 0
-  printf("::: bar 0\n");
-  for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
-    for (j = 0; j < 8; j++)
-      printf("::: ball %d, %d: %d\n", i, j,
-            level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]);
-#endif
-
-#if 1
-
   for (i = 0; i < MAX_PLAYERS; i++)
   {
     /* in case of all players set to the same field, use the first player */
@@ -4175,76 +3913,9 @@ void CopyNativeLevel_EM_to_RND(struct LevelInfo *level)
     int jx = ply[nr]->x_initial - 1;
     int jy = ply[nr]->y_initial - 1;
 
-#if 0
-    printf("::: player %d: %d, %d\n", nr, jx, jy);
-#endif
-
     if (jx != -1 && jy != -1)
       level->field[jx][jy] = EL_PLAYER_1 + nr;
   }
-
-#else
-
-  /* in case of both players set to the same field, use the first player */
-  level->field[ply2->x_initial - 1][ply2->y_initial - 1] = EL_PLAYER_2;
-  level->field[ply1->x_initial - 1][ply1->y_initial - 1] = EL_PLAYER_1;
-
-#endif
-
-#if 0
-  printf("::: native Emerald Mine file version: %d\n", level_em->file_version);
-#endif
-
-#if 0
-  printf("::: bar 2\n");
-  for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
-    for (j = 0; j < 8; j++)
-      printf("::: ball %d, %d: %d\n", i, j,
-            level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]);
-#endif
-}
-
-static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
-                                    struct LevelFileInfo *level_file_info)
-{
-  if (!LoadNativeLevel_EM(level_file_info->filename))
-    level->no_valid_file = TRUE;
-}
-
-void CopyNativeLevel_RND_to_Native(struct LevelInfo *level)
-{
-  if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
-    CopyNativeLevel_RND_to_EM(level);
-}
-
-void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
-{
-
-#if 0
-  {
-    static int ball_xy[8][2] =
-      {
-       { 0, 0 },
-       { 1, 0 },
-       { 2, 0 },
-       { 0, 1 },
-       { 2, 1 },
-       { 0, 2 },
-       { 1, 2 },
-       { 2, 2 },
-      };
-    int i, j;
-
-    printf("::: A6\n");
-    for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
-      for (j = 0; j < 8; j++)
-       printf("::: ball %d, %d: %d\n", i, j,
-              level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]);
-  }
-#endif
-
-  if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
-    CopyNativeLevel_EM_to_RND(level);
 }
 
 
@@ -4252,6 +3923,8 @@ void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
 /* functions for loading SP level                                            */
 /* ------------------------------------------------------------------------- */
 
+#if 0
+
 #define NUM_SUPAPLEX_LEVELS_PER_PACKAGE        111
 #define SP_LEVEL_SIZE                  1536
 #define SP_LEVEL_XSIZE                 60
@@ -4407,7 +4080,7 @@ static void LoadLevelFromFileStream_SP(FILE *file, struct LevelInfo *level,
   /* original Supaplex does not use score values -- use default values */
 #else
   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
-    level->score[i] = 0;               /* !!! CORRECT THIS !!! */
+    level->score[i] = 0;
 #endif
 
   /* there are no yamyams in supaplex levels */
@@ -4442,11 +4115,12 @@ static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
   }
 
   /* position file stream to the requested level inside the level package */
-  if (fseek(file, nr * SP_LEVEL_SIZE, SEEK_SET) != 0)
+  if (level_file_info->packed &&
+      fseek(file, nr * SP_LEVEL_SIZE, SEEK_SET) != 0)
   {
     level->no_valid_file = TRUE;
 
-    Error(ERR_WARN, "cannot fseek level '%s' -- using empty level", filename);
+    Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level", filename);
 
     return;
   }
@@ -4481,7 +4155,7 @@ static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
       level->name[i] = '-';
 
     /* correct trailing multipart level meta information in level name */
-    for (i = SP_LEVEL_NAME_LEN - 1; i>=0 && level->name[i] == name_last; i--)
+    for (i = SP_LEVEL_NAME_LEN - 1; i >= 0 && level->name[i] == name_last; i--)
       level->name[i] = '-';
 
     /* ---------- check for normal single level ---------- */
@@ -4596,139 +4270,2761 @@ static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
     *level = multipart_level;
 }
 
-/* ------------------------------------------------------------------------- */
-/* functions for loading generic level                                       */
-/* ------------------------------------------------------------------------- */
+#endif
 
-void LoadLevelFromFileInfo(struct LevelInfo *level,
-                          struct LevelFileInfo *level_file_info)
+void CopyNativeLevel_RND_to_SP(struct LevelInfo *level)
 {
-  /* always start with reliable default values */
-  setLevelInfoToDefaults(level);
+  struct LevelInfo_SP *level_sp = level->native_sp_level;
+  LevelInfoType *header = &level_sp->header;
+  int i, x, y;
 
-  switch (level_file_info->type)
-  {
-    case LEVEL_FILE_TYPE_RND:
-      LoadLevelFromFileInfo_RND(level, level_file_info);
-      break;
+  level_sp->width  = level->fieldx;
+  level_sp->height = level->fieldy;
 
-    case LEVEL_FILE_TYPE_EM:
-      LoadLevelFromFileInfo_EM(level, level_file_info);
-      level->game_engine_type = GAME_ENGINE_TYPE_EM;
-      break;
+  for (x = 0; x < level->fieldx; x++)
+    for (y = 0; y < level->fieldy; y++)
+      level_sp->playfield[x][y] = map_element_RND_to_SP(level->field[x][y]);
 
-    case LEVEL_FILE_TYPE_SP:
-      LoadLevelFromFileInfo_SP(level, level_file_info);
-      break;
+  header->InitialGravity = (level->initial_player_gravity[0] ? 1 : 0);
 
-    default:
-      LoadLevelFromFileInfo_RND(level, level_file_info);
-      break;
-  }
+  for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
+    header->LevelTitle[i] = level->name[i];
+  /* !!! NO STRING TERMINATION IN SUPAPLEX VB CODE YET -- FIX THIS !!! */
 
-  /* if level file is invalid, restore level structure to default values */
-  if (level->no_valid_file)
-    setLevelInfoToDefaults(level);
+  header->InfotronsNeeded = level->gems_needed;
 
-  if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN)
-    level->game_engine_type = GAME_ENGINE_TYPE_RND;
+  header->SpecialPortCount = 0;
 
-#if 1
-  if (level_file_info->type != LEVEL_FILE_TYPE_RND)
-    CopyNativeLevel_Native_to_RND(level);
-#else
-  if (level_file_info->type == LEVEL_FILE_TYPE_RND)
-    CopyNativeLevel_RND_to_Native(level);
-  else
-    CopyNativeLevel_Native_to_RND(level);
-#endif
-}
+  for (x = 0; x < level->fieldx; x++) for (y = 0; y < level->fieldy; y++)
+  {
+    boolean gravity_port_found = FALSE;
+    boolean gravity_port_valid = FALSE;
+    int gravity_port_flag;
+    int gravity_port_base_element;
+    int element = level->field[x][y];
 
-void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
-{
-  static struct LevelFileInfo level_file_info;
+    if (element >= EL_SP_GRAVITY_ON_PORT_RIGHT &&
+       element <= EL_SP_GRAVITY_ON_PORT_UP)
+    {
+      gravity_port_found = TRUE;
+      gravity_port_valid = TRUE;
+      gravity_port_flag = 1;
+      gravity_port_base_element = EL_SP_GRAVITY_ON_PORT_RIGHT;
+    }
+    else if (element >= EL_SP_GRAVITY_OFF_PORT_RIGHT &&
+            element <= EL_SP_GRAVITY_OFF_PORT_UP)
+    {
+      gravity_port_found = TRUE;
+      gravity_port_valid = TRUE;
+      gravity_port_flag = 0;
+      gravity_port_base_element = EL_SP_GRAVITY_OFF_PORT_RIGHT;
+    }
+    else if (element >= EL_SP_GRAVITY_PORT_RIGHT &&
+            element <= EL_SP_GRAVITY_PORT_UP)
+    {
+      /* change R'n'D style gravity inverting special port to normal port
+        (there are no gravity inverting ports in native Supaplex engine) */
 
-  /* always start with reliable default values */
-  setFileInfoToDefaults(&level_file_info);
+      gravity_port_found = TRUE;
+      gravity_port_valid = FALSE;
+      gravity_port_base_element = EL_SP_GRAVITY_PORT_RIGHT;
+    }
 
-  level_file_info.nr = 0;                      /* unknown level number */
-  level_file_info.type = LEVEL_FILE_TYPE_RND;  /* no others supported yet */
-  level_file_info.filename = filename;
+    if (gravity_port_found)
+    {
+      if (gravity_port_valid &&
+         header->SpecialPortCount < SP_MAX_SPECIAL_PORTS)
+      {
+       SpecialPortType *port = &header->SpecialPort[header->SpecialPortCount];
 
-  LoadLevelFromFileInfo(level, &level_file_info);
-}
+       port->PortLocation = (y * level->fieldx + x) * 2;
+       port->Gravity = gravity_port_flag;
 
-static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename)
-{
-  int i;
+       element += EL_SP_GRAVITY_PORT_RIGHT - gravity_port_base_element;
 
-  if (leveldir_current == NULL)                /* only when dumping level */
-    return;
+       header->SpecialPortCount++;
+      }
+      else
+      {
+       /* change special gravity port to normal port */
 
-  /* all engine modifications also valid for levels which use latest engine */
-#if 1
-  if (level->game_version < VERSION_IDENT(3,2,0,5))
-  {
-    /* time bonus score was given for 10 s instead of 1 s before 3.2.0-5 */
-    level->score[SC_TIME_BONUS] /= 10;
+       element += EL_SP_PORT_RIGHT - gravity_port_base_element;
+      }
+
+      level_sp->playfield[x][y] = element - EL_SP_START;
+    }
   }
-#endif
+}
 
-#if 0
-  leveldir_current->latest_engine = TRUE;      /* !!! TEST ONLY !!! */
-#endif
+void CopyNativeLevel_SP_to_RND(struct LevelInfo *level)
+{
+  struct LevelInfo_SP *level_sp = level->native_sp_level;
+  LevelInfoType *header = &level_sp->header;
+  int i, x, y;
 
-  if (leveldir_current->latest_engine)
-  {
-    /* ---------- use latest game engine ----------------------------------- */
+  level->fieldx = level_sp->width;
+  level->fieldy = level_sp->height;
 
-    /* For all levels which are forced to use the latest game engine version
-       (normally all but user contributed, private and undefined levels), set
-       the game engine version to the actual version; this allows for actual
-       corrections in the game engine to take effect for existing, converted
-       levels (from "classic" or other existing games) to make the emulation
-       of the corresponding game more accurate, while (hopefully) not breaking
-       existing levels created from other players. */
+  for (x = 0; x < level->fieldx; x++)
+  {
+    for (y = 0; y < level->fieldy; y++)
+    {
+      int element_old = level_sp->playfield[x][y];
+      int element_new = getMappedElement(map_element_SP_to_RND(element_old));
 
-    level->game_version = GAME_VERSION_ACTUAL;
+      if (element_new == EL_UNKNOWN)
+       Error(ERR_WARN, "invalid element %d at position %d, %d",
+             element_old, x, y);
 
-    /* Set special EM style gems behaviour: EM style gems slip down from
-       normal, steel and growing wall. As this is a more fundamental change,
-       it seems better to set the default behaviour to "off" (as it is more
-       natural) and make it configurable in the level editor (as a property
-       of gem style elements). Already existing converted levels (neither
-       private nor contributed levels) are changed to the new behaviour. */
+      level->field[x][y] = element_new;
+    }
+  }
 
-    if (level->file_version < FILE_VERSION_2_0)
-      level->em_slippery_gems = TRUE;
+  for (i = 0; i < MAX_PLAYERS; i++)
+    level->initial_player_gravity[i] =
+      (header->InitialGravity == 1 ? TRUE : FALSE);
 
-    return;
-  }
+  for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
+    level->name[i] = header->LevelTitle[i];
+  level->name[SP_LEVEL_NAME_LEN] = '\0';
 
-  /* ---------- use game engine the level was created with ----------------- */
+  level->gems_needed = header->InfotronsNeeded;
 
-  /* For all levels which are not forced to use the latest game engine
-     version (normally user contributed, private and undefined levels),
-     use the version of the game engine the levels were created for.
+  for (i = 0; i < header->SpecialPortCount; i++)
+  {
+    SpecialPortType *port = &header->SpecialPort[i];
+    int port_location = port->PortLocation;
+    int gravity = port->Gravity;
+    int port_x, port_y, port_element;
 
-     Since 2.0.1, the game engine version is now directly stored
-     in the level file (chunk "VERS"), so there is no need anymore
-     to set the game version from the file version (except for old,
-     pre-2.0 levels, where the game version is still taken from the
-     file format version used to store the level -- see above). */
+    port_x = (port_location / 2) % level->fieldx;
+    port_y = (port_location / 2) / level->fieldx;
 
-  /* player was faster than enemies in 1.0.0 and before */
-  if (level->file_version == FILE_VERSION_1_0)
-    for (i = 0; i < MAX_PLAYERS; i++)
-      level->initial_player_stepsize[i] = STEPSIZE_FAST;
+    if (port_x < 0 || port_x >= level->fieldx ||
+       port_y < 0 || port_y >= level->fieldy)
+    {
+      Error(ERR_WARN, "special port position (%d, %d) out of bounds",
+           port_x, port_y);
 
-  /* default behaviour for EM style gems was "slippery" only in 2.0.1 */
-  if (level->game_version == VERSION_IDENT(2,0,1,0))
-    level->em_slippery_gems = TRUE;
+      continue;
+    }
 
-  /* springs could be pushed over pits before (pre-release version) 2.2.0 */
-  if (level->game_version < VERSION_IDENT(2,2,0,0))
-    level->use_spring_bug = TRUE;
+    port_element = level->field[port_x][port_y];
+
+    if (port_element < EL_SP_GRAVITY_PORT_RIGHT ||
+       port_element > EL_SP_GRAVITY_PORT_UP)
+    {
+      Error(ERR_WARN, "no special port at position (%d, %d)", port_x, port_y);
+
+      continue;
+    }
+
+    /* change previous (wrong) gravity inverting special port to either
+       gravity enabling special port or gravity disabling special port */
+    level->field[port_x][port_y] +=
+      (gravity == 1 ? EL_SP_GRAVITY_ON_PORT_RIGHT :
+       EL_SP_GRAVITY_OFF_PORT_RIGHT) - EL_SP_GRAVITY_PORT_RIGHT;
+  }
+
+  /* change special gravity ports without database entries to normal ports */
+  for (x = 0; x < level->fieldx; x++)
+    for (y = 0; y < level->fieldy; y++)
+      if (level->field[x][y] >= EL_SP_GRAVITY_PORT_RIGHT &&
+         level->field[x][y] <= EL_SP_GRAVITY_PORT_UP)
+       level->field[x][y] += EL_SP_PORT_RIGHT - EL_SP_GRAVITY_PORT_RIGHT;
+
+  level->time = 0;                     /* no time limit */
+  level->amoeba_speed = 0;
+  level->time_magic_wall = 0;
+  level->time_wheel = 0;
+  level->amoeba_content = EL_EMPTY;
+
+#if 1
+  /* original Supaplex does not use score values -- use default values */
+#else
+  for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
+    level->score[i] = 0;
+#endif
+
+  /* there are no yamyams in supaplex levels */
+  for (i = 0; i < level->num_yamyam_contents; i++)
+    for (x = 0; x < 3; x++)
+      for (y = 0; y < 3; y++)
+       level->yamyam_content[i].e[x][y] = EL_EMPTY;
+}
+
+static void CopyNativeTape_RND_to_SP(struct LevelInfo *level)
+{
+  struct LevelInfo_SP *level_sp = level->native_sp_level;
+  struct DemoInfo_SP *demo = &level_sp->demo;
+  int i, j;
+
+  /* always start with reliable default values */
+  demo->is_available = FALSE;
+  demo->length = 0;
+
+  if (TAPE_IS_EMPTY(tape))
+    return;
+
+  demo->level_nr = tape.level_nr;      /* (currently not used) */
+
+  level_sp->header.DemoRandomSeed = tape.random_seed;
+
+  demo->length = 0;
+  for (i = 0; i < tape.length; i++)
+  {
+    int demo_action = map_key_RND_to_SP(tape.pos[i].action[0]);
+    int demo_repeat = tape.pos[i].delay;
+
+    for (j = 0; j < demo_repeat / 16; j++)
+      demo->data[demo->length++] = 0xf0 | demo_action;
+
+    if (demo_repeat % 16)
+      demo->data[demo->length++] = ((demo_repeat % 16 - 1) << 4) | demo_action;
+  }
+
+  demo->data[demo->length++] = 0xff;
+
+  demo->is_available = TRUE;
+}
+
+static void setTapeInfoToDefaults();
+
+static void CopyNativeTape_SP_to_RND(struct LevelInfo *level)
+{
+  struct LevelInfo_SP *level_sp = level->native_sp_level;
+  struct DemoInfo_SP *demo = &level_sp->demo;
+  char *filename = level->file_info.filename;
+  int i;
+
+  /* always start with reliable default values */
+  setTapeInfoToDefaults();
+
+  if (!demo->is_available)
+    return;
+
+  tape.level_nr = demo->level_nr;      /* (currently not used) */
+  tape.length = demo->length - 1;      /* without "end of demo" byte */
+  tape.random_seed = level_sp->header.DemoRandomSeed;
+
+  TapeSetDateFromEpochSeconds(getFileTimestampEpochSeconds(filename));
+
+  for (i = 0; i < demo->length - 1; i++)
+  {
+    int demo_action = demo->data[i] & 0x0f;
+    int demo_repeat = (demo->data[i] & 0xf0) >> 4;
+
+    tape.pos[i].action[0] = map_key_SP_to_RND(demo_action);
+    tape.pos[i].delay = demo_repeat + 1;
+  }
+
+  tape.length_seconds = GetTapeLength();
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading DC level                                            */
+/* ------------------------------------------------------------------------- */
+
+#define DC_LEVEL_HEADER_SIZE           344
+
+unsigned short getDecodedWord_DC(unsigned short data_encoded, boolean init)
+{
+  static int last_data_encoded;
+  static int offset1;
+  static int offset2;
+  int diff;
+  int diff_hi, diff_lo;
+  int data_hi, data_lo;
+  unsigned short data_decoded;
+
+  if (init)
+  {
+    last_data_encoded = 0;
+    offset1 = -1;
+    offset2 = 0;
+
+    return 0;
+  }
+
+  diff = data_encoded - last_data_encoded;
+  diff_hi = diff & ~0xff;
+  diff_lo = diff &  0xff;
+
+  offset2 += diff_lo;
+
+  data_hi = diff_hi - (offset1 << 8) + (offset2 & 0xff00);
+  data_lo = (diff_lo + (data_hi >> 16)) & 0x00ff;
+  data_hi = data_hi & 0xff00;
+
+  data_decoded = data_hi | data_lo;
+
+  last_data_encoded = data_encoded;
+
+  offset1 = (offset1 + 1) % 31;
+  offset2 = offset2 & 0xff;
+
+  return data_decoded;
+}
+
+int getMappedElement_DC(int element)
+{
+  switch (element)
+  {
+    case 0x0000:
+      element = EL_ROCK;
+      break;
+
+      /* 0x0117 - 0x036e: (?) */
+      /* EL_DIAMOND */
+
+      /* 0x042d - 0x0684: (?) */
+      /* EL_EMERALD */
+
+    case 0x06f1:
+      element = EL_NUT;
+      break;
+
+    case 0x074c:
+      element = EL_BOMB;
+      break;
+
+    case 0x07a4:
+      element = EL_PEARL;
+      break;
+
+    case 0x0823:
+      element = EL_CRYSTAL;
+      break;
+
+    case 0x0e77:       /* quicksand (boulder) */
+      element = EL_QUICKSAND_FAST_FULL;
+      break;
+
+    case 0x0e99:       /* slow quicksand (boulder) */
+      element = EL_QUICKSAND_FULL;
+      break;
+
+    case 0x0ed2:
+      element = EL_EM_EXIT_OPEN;
+      break;
+
+    case 0x0ee3:
+      element = EL_EM_EXIT_CLOSED;
+      break;
+
+    case 0x0eeb:
+      element = EL_EM_STEEL_EXIT_OPEN;
+      break;
+
+    case 0x0efc:
+      element = EL_EM_STEEL_EXIT_CLOSED;
+      break;
+
+    case 0x0f4f:       /* dynamite (lit 1) */
+      element = EL_EM_DYNAMITE_ACTIVE;
+      break;
+
+    case 0x0f57:       /* dynamite (lit 2) */
+      element = EL_EM_DYNAMITE_ACTIVE;
+      break;
+
+    case 0x0f5f:       /* dynamite (lit 3) */
+      element = EL_EM_DYNAMITE_ACTIVE;
+      break;
+
+    case 0x0f67:       /* dynamite (lit 4) */
+      element = EL_EM_DYNAMITE_ACTIVE;
+      break;
+
+    case 0x0f81:
+    case 0x0f82:
+    case 0x0f83:
+    case 0x0f84:
+      element = EL_AMOEBA_WET;
+      break;
+
+    case 0x0f85:
+      element = EL_AMOEBA_DROP;
+      break;
+
+    case 0x0fb9:
+      element = EL_DC_MAGIC_WALL;
+      break;
+
+    case 0x0fd0:
+      element = EL_SPACESHIP_UP;
+      break;
+
+    case 0x0fd9:
+      element = EL_SPACESHIP_DOWN;
+      break;
+
+    case 0x0ff1:
+      element = EL_SPACESHIP_LEFT;
+      break;
+
+    case 0x0ff9:
+      element = EL_SPACESHIP_RIGHT;
+      break;
+
+    case 0x1057:
+      element = EL_BUG_UP;
+      break;
+
+    case 0x1060:
+      element = EL_BUG_DOWN;
+      break;
+
+    case 0x1078:
+      element = EL_BUG_LEFT;
+      break;
+
+    case 0x1080:
+      element = EL_BUG_RIGHT;
+      break;
+
+    case 0x10de:
+      element = EL_MOLE_UP;
+      break;
+
+    case 0x10e7:
+      element = EL_MOLE_DOWN;
+      break;
+
+    case 0x10ff:
+      element = EL_MOLE_LEFT;
+      break;
+
+    case 0x1107:
+      element = EL_MOLE_RIGHT;
+      break;
+
+    case 0x11c0:
+      element = EL_ROBOT;
+      break;
+
+    case 0x13f5:
+      element = EL_YAMYAM;
+      break;
+
+    case 0x1425:
+      element = EL_SWITCHGATE_OPEN;
+      break;
+
+    case 0x1426:
+      element = EL_SWITCHGATE_CLOSED;
+      break;
+
+    case 0x1437:
+      element = EL_DC_SWITCHGATE_SWITCH_UP;
+      break;
+
+    case 0x143a:
+      element = EL_TIMEGATE_CLOSED;
+      break;
+
+    case 0x144c:       /* conveyor belt switch (green) */
+      element = EL_CONVEYOR_BELT_3_SWITCH_MIDDLE;
+      break;
+
+    case 0x144f:       /* conveyor belt switch (red) */
+      element = EL_CONVEYOR_BELT_1_SWITCH_MIDDLE;
+      break;
+
+    case 0x1452:       /* conveyor belt switch (blue) */
+      element = EL_CONVEYOR_BELT_4_SWITCH_MIDDLE;
+      break;
+
+    case 0x145b:
+      element = EL_CONVEYOR_BELT_3_MIDDLE;
+      break;
+
+    case 0x1463:
+      element = EL_CONVEYOR_BELT_3_LEFT;
+      break;
+
+    case 0x146b:
+      element = EL_CONVEYOR_BELT_3_RIGHT;
+      break;
+
+    case 0x1473:
+      element = EL_CONVEYOR_BELT_1_MIDDLE;
+      break;
+
+    case 0x147b:
+      element = EL_CONVEYOR_BELT_1_LEFT;
+      break;
+
+    case 0x1483:
+      element = EL_CONVEYOR_BELT_1_RIGHT;
+      break;
+
+    case 0x148b:
+      element = EL_CONVEYOR_BELT_4_MIDDLE;
+      break;
+
+    case 0x1493:
+      element = EL_CONVEYOR_BELT_4_LEFT;
+      break;
+
+    case 0x149b:
+      element = EL_CONVEYOR_BELT_4_RIGHT;
+      break;
+
+    case 0x14ac:
+      element = EL_EXPANDABLE_WALL_HORIZONTAL;
+      break;
+
+    case 0x14bd:
+      element = EL_EXPANDABLE_WALL_VERTICAL;
+      break;
+
+    case 0x14c6:
+      element = EL_EXPANDABLE_WALL_ANY;
+      break;
+
+    case 0x14ce:       /* growing steel wall (left/right) */
+      element = EL_EXPANDABLE_STEELWALL_HORIZONTAL;
+      break;
+
+    case 0x14df:       /* growing steel wall (up/down) */
+      element = EL_EXPANDABLE_STEELWALL_VERTICAL;
+      break;
+
+    case 0x14e8:       /* growing steel wall (up/down/left/right) */
+      element = EL_EXPANDABLE_STEELWALL_ANY;
+      break;
+
+    case 0x14e9:
+      element = EL_SHIELD_DEADLY;
+      break;
+
+    case 0x1501:
+      element = EL_EXTRA_TIME;
+      break;
+
+    case 0x154f:
+      element = EL_ACID;
+      break;
+
+    case 0x1577:
+      element = EL_EMPTY_SPACE;
+      break;
+
+    case 0x1578:       /* quicksand (empty) */
+      element = EL_QUICKSAND_FAST_EMPTY;
+      break;
+
+    case 0x1579:       /* slow quicksand (empty) */
+      element = EL_QUICKSAND_EMPTY;
+      break;
+
+      /* 0x157c - 0x158b: */
+      /* EL_SAND */
+
+      /* 0x1590 - 0x159f: */
+      /* EL_DC_LANDMINE */
+
+    case 0x15a0:
+      element = EL_EM_DYNAMITE;
+      break;
+
+    case 0x15a1:       /* key (red) */
+      element = EL_EM_KEY_1;
+      break;
+
+    case 0x15a2:       /* key (yellow) */
+      element = EL_EM_KEY_2;
+      break;
+
+    case 0x15a3:       /* key (blue) */
+      element = EL_EM_KEY_4;
+      break;
+
+    case 0x15a4:       /* key (green) */
+      element = EL_EM_KEY_3;
+      break;
+
+    case 0x15a5:       /* key (white) */
+      element = EL_DC_KEY_WHITE;
+      break;
+
+    case 0x15a6:
+      element = EL_WALL_SLIPPERY;
+      break;
+
+    case 0x15a7:
+      element = EL_WALL;
+      break;
+
+    case 0x15a8:       /* wall (not round) */
+      element = EL_WALL;
+      break;
+
+    case 0x15a9:       /* (blue) */
+      element = EL_CHAR_A;
+      break;
+
+    case 0x15aa:       /* (blue) */
+      element = EL_CHAR_B;
+      break;
+
+    case 0x15ab:       /* (blue) */
+      element = EL_CHAR_C;
+      break;
+
+    case 0x15ac:       /* (blue) */
+      element = EL_CHAR_D;
+      break;
+
+    case 0x15ad:       /* (blue) */
+      element = EL_CHAR_E;
+      break;
+
+    case 0x15ae:       /* (blue) */
+      element = EL_CHAR_F;
+      break;
+
+    case 0x15af:       /* (blue) */
+      element = EL_CHAR_G;
+      break;
+
+    case 0x15b0:       /* (blue) */
+      element = EL_CHAR_H;
+      break;
+
+    case 0x15b1:       /* (blue) */
+      element = EL_CHAR_I;
+      break;
+
+    case 0x15b2:       /* (blue) */
+      element = EL_CHAR_J;
+      break;
+
+    case 0x15b3:       /* (blue) */
+      element = EL_CHAR_K;
+      break;
+
+    case 0x15b4:       /* (blue) */
+      element = EL_CHAR_L;
+      break;
+
+    case 0x15b5:       /* (blue) */
+      element = EL_CHAR_M;
+      break;
+
+    case 0x15b6:       /* (blue) */
+      element = EL_CHAR_N;
+      break;
+
+    case 0x15b7:       /* (blue) */
+      element = EL_CHAR_O;
+      break;
+
+    case 0x15b8:       /* (blue) */
+      element = EL_CHAR_P;
+      break;
+
+    case 0x15b9:       /* (blue) */
+      element = EL_CHAR_Q;
+      break;
+
+    case 0x15ba:       /* (blue) */
+      element = EL_CHAR_R;
+      break;
+
+    case 0x15bb:       /* (blue) */
+      element = EL_CHAR_S;
+      break;
+
+    case 0x15bc:       /* (blue) */
+      element = EL_CHAR_T;
+      break;
+
+    case 0x15bd:       /* (blue) */
+      element = EL_CHAR_U;
+      break;
+
+    case 0x15be:       /* (blue) */
+      element = EL_CHAR_V;
+      break;
+
+    case 0x15bf:       /* (blue) */
+      element = EL_CHAR_W;
+      break;
+
+    case 0x15c0:       /* (blue) */
+      element = EL_CHAR_X;
+      break;
+
+    case 0x15c1:       /* (blue) */
+      element = EL_CHAR_Y;
+      break;
+
+    case 0x15c2:       /* (blue) */
+      element = EL_CHAR_Z;
+      break;
+
+    case 0x15c3:       /* (blue) */
+      element = EL_CHAR_AUMLAUT;
+      break;
+
+    case 0x15c4:       /* (blue) */
+      element = EL_CHAR_OUMLAUT;
+      break;
+
+    case 0x15c5:       /* (blue) */
+      element = EL_CHAR_UUMLAUT;
+      break;
+
+    case 0x15c6:       /* (blue) */
+      element = EL_CHAR_0;
+      break;
+
+    case 0x15c7:       /* (blue) */
+      element = EL_CHAR_1;
+      break;
+
+    case 0x15c8:       /* (blue) */
+      element = EL_CHAR_2;
+      break;
+
+    case 0x15c9:       /* (blue) */
+      element = EL_CHAR_3;
+      break;
+
+    case 0x15ca:       /* (blue) */
+      element = EL_CHAR_4;
+      break;
+
+    case 0x15cb:       /* (blue) */
+      element = EL_CHAR_5;
+      break;
+
+    case 0x15cc:       /* (blue) */
+      element = EL_CHAR_6;
+      break;
+
+    case 0x15cd:       /* (blue) */
+      element = EL_CHAR_7;
+      break;
+
+    case 0x15ce:       /* (blue) */
+      element = EL_CHAR_8;
+      break;
+
+    case 0x15cf:       /* (blue) */
+      element = EL_CHAR_9;
+      break;
+
+    case 0x15d0:       /* (blue) */
+      element = EL_CHAR_PERIOD;
+      break;
+
+    case 0x15d1:       /* (blue) */
+      element = EL_CHAR_EXCLAM;
+      break;
+
+    case 0x15d2:       /* (blue) */
+      element = EL_CHAR_COLON;
+      break;
+
+    case 0x15d3:       /* (blue) */
+      element = EL_CHAR_LESS;
+      break;
+
+    case 0x15d4:       /* (blue) */
+      element = EL_CHAR_GREATER;
+      break;
+
+    case 0x15d5:       /* (blue) */
+      element = EL_CHAR_QUESTION;
+      break;
+
+    case 0x15d6:       /* (blue) */
+      element = EL_CHAR_COPYRIGHT;
+      break;
+
+    case 0x15d7:       /* (blue) */
+      element = EL_CHAR_UP;
+      break;
+
+    case 0x15d8:       /* (blue) */
+      element = EL_CHAR_DOWN;
+      break;
+
+    case 0x15d9:       /* (blue) */
+      element = EL_CHAR_BUTTON;
+      break;
+
+    case 0x15da:       /* (blue) */
+      element = EL_CHAR_PLUS;
+      break;
+
+    case 0x15db:       /* (blue) */
+      element = EL_CHAR_MINUS;
+      break;
+
+    case 0x15dc:       /* (blue) */
+      element = EL_CHAR_APOSTROPHE;
+      break;
+
+    case 0x15dd:       /* (blue) */
+      element = EL_CHAR_PARENLEFT;
+      break;
+
+    case 0x15de:       /* (blue) */
+      element = EL_CHAR_PARENRIGHT;
+      break;
+
+    case 0x15df:       /* (green) */
+      element = EL_CHAR_A;
+      break;
+
+    case 0x15e0:       /* (green) */
+      element = EL_CHAR_B;
+      break;
+
+    case 0x15e1:       /* (green) */
+      element = EL_CHAR_C;
+      break;
+
+    case 0x15e2:       /* (green) */
+      element = EL_CHAR_D;
+      break;
+
+    case 0x15e3:       /* (green) */
+      element = EL_CHAR_E;
+      break;
+
+    case 0x15e4:       /* (green) */
+      element = EL_CHAR_F;
+      break;
+
+    case 0x15e5:       /* (green) */
+      element = EL_CHAR_G;
+      break;
+
+    case 0x15e6:       /* (green) */
+      element = EL_CHAR_H;
+      break;
+
+    case 0x15e7:       /* (green) */
+      element = EL_CHAR_I;
+      break;
+
+    case 0x15e8:       /* (green) */
+      element = EL_CHAR_J;
+      break;
+
+    case 0x15e9:       /* (green) */
+      element = EL_CHAR_K;
+      break;
+
+    case 0x15ea:       /* (green) */
+      element = EL_CHAR_L;
+      break;
+
+    case 0x15eb:       /* (green) */
+      element = EL_CHAR_M;
+      break;
+
+    case 0x15ec:       /* (green) */
+      element = EL_CHAR_N;
+      break;
+
+    case 0x15ed:       /* (green) */
+      element = EL_CHAR_O;
+      break;
+
+    case 0x15ee:       /* (green) */
+      element = EL_CHAR_P;
+      break;
+
+    case 0x15ef:       /* (green) */
+      element = EL_CHAR_Q;
+      break;
+
+    case 0x15f0:       /* (green) */
+      element = EL_CHAR_R;
+      break;
+
+    case 0x15f1:       /* (green) */
+      element = EL_CHAR_S;
+      break;
+
+    case 0x15f2:       /* (green) */
+      element = EL_CHAR_T;
+      break;
+
+    case 0x15f3:       /* (green) */
+      element = EL_CHAR_U;
+      break;
+
+    case 0x15f4:       /* (green) */
+      element = EL_CHAR_V;
+      break;
+
+    case 0x15f5:       /* (green) */
+      element = EL_CHAR_W;
+      break;
+
+    case 0x15f6:       /* (green) */
+      element = EL_CHAR_X;
+      break;
+
+    case 0x15f7:       /* (green) */
+      element = EL_CHAR_Y;
+      break;
+
+    case 0x15f8:       /* (green) */
+      element = EL_CHAR_Z;
+      break;
+
+    case 0x15f9:       /* (green) */
+      element = EL_CHAR_AUMLAUT;
+      break;
+
+    case 0x15fa:       /* (green) */
+      element = EL_CHAR_OUMLAUT;
+      break;
+
+    case 0x15fb:       /* (green) */
+      element = EL_CHAR_UUMLAUT;
+      break;
+
+    case 0x15fc:       /* (green) */
+      element = EL_CHAR_0;
+      break;
+
+    case 0x15fd:       /* (green) */
+      element = EL_CHAR_1;
+      break;
+
+    case 0x15fe:       /* (green) */
+      element = EL_CHAR_2;
+      break;
+
+    case 0x15ff:       /* (green) */
+      element = EL_CHAR_3;
+      break;
+
+    case 0x1600:       /* (green) */
+      element = EL_CHAR_4;
+      break;
+
+    case 0x1601:       /* (green) */
+      element = EL_CHAR_5;
+      break;
+
+    case 0x1602:       /* (green) */
+      element = EL_CHAR_6;
+      break;
+
+    case 0x1603:       /* (green) */
+      element = EL_CHAR_7;
+      break;
+
+    case 0x1604:       /* (green) */
+      element = EL_CHAR_8;
+      break;
+
+    case 0x1605:       /* (green) */
+      element = EL_CHAR_9;
+      break;
+
+    case 0x1606:       /* (green) */
+      element = EL_CHAR_PERIOD;
+      break;
+
+    case 0x1607:       /* (green) */
+      element = EL_CHAR_EXCLAM;
+      break;
+
+    case 0x1608:       /* (green) */
+      element = EL_CHAR_COLON;
+      break;
+
+    case 0x1609:       /* (green) */
+      element = EL_CHAR_LESS;
+      break;
+
+    case 0x160a:       /* (green) */
+      element = EL_CHAR_GREATER;
+      break;
+
+    case 0x160b:       /* (green) */
+      element = EL_CHAR_QUESTION;
+      break;
+
+    case 0x160c:       /* (green) */
+      element = EL_CHAR_COPYRIGHT;
+      break;
+
+    case 0x160d:       /* (green) */
+      element = EL_CHAR_UP;
+      break;
+
+    case 0x160e:       /* (green) */
+      element = EL_CHAR_DOWN;
+      break;
+
+    case 0x160f:       /* (green) */
+      element = EL_CHAR_BUTTON;
+      break;
+
+    case 0x1610:       /* (green) */
+      element = EL_CHAR_PLUS;
+      break;
+
+    case 0x1611:       /* (green) */
+      element = EL_CHAR_MINUS;
+      break;
+
+    case 0x1612:       /* (green) */
+      element = EL_CHAR_APOSTROPHE;
+      break;
+
+    case 0x1613:       /* (green) */
+      element = EL_CHAR_PARENLEFT;
+      break;
+
+    case 0x1614:       /* (green) */
+      element = EL_CHAR_PARENRIGHT;
+      break;
+
+    case 0x1615:       /* (blue steel) */
+      element = EL_STEEL_CHAR_A;
+      break;
+
+    case 0x1616:       /* (blue steel) */
+      element = EL_STEEL_CHAR_B;
+      break;
+
+    case 0x1617:       /* (blue steel) */
+      element = EL_STEEL_CHAR_C;
+      break;
+
+    case 0x1618:       /* (blue steel) */
+      element = EL_STEEL_CHAR_D;
+      break;
+
+    case 0x1619:       /* (blue steel) */
+      element = EL_STEEL_CHAR_E;
+      break;
+
+    case 0x161a:       /* (blue steel) */
+      element = EL_STEEL_CHAR_F;
+      break;
+
+    case 0x161b:       /* (blue steel) */
+      element = EL_STEEL_CHAR_G;
+      break;
+
+    case 0x161c:       /* (blue steel) */
+      element = EL_STEEL_CHAR_H;
+      break;
+
+    case 0x161d:       /* (blue steel) */
+      element = EL_STEEL_CHAR_I;
+      break;
+
+    case 0x161e:       /* (blue steel) */
+      element = EL_STEEL_CHAR_J;
+      break;
+
+    case 0x161f:       /* (blue steel) */
+      element = EL_STEEL_CHAR_K;
+      break;
+
+    case 0x1620:       /* (blue steel) */
+      element = EL_STEEL_CHAR_L;
+      break;
+
+    case 0x1621:       /* (blue steel) */
+      element = EL_STEEL_CHAR_M;
+      break;
+
+    case 0x1622:       /* (blue steel) */
+      element = EL_STEEL_CHAR_N;
+      break;
+
+    case 0x1623:       /* (blue steel) */
+      element = EL_STEEL_CHAR_O;
+      break;
+
+    case 0x1624:       /* (blue steel) */
+      element = EL_STEEL_CHAR_P;
+      break;
+
+    case 0x1625:       /* (blue steel) */
+      element = EL_STEEL_CHAR_Q;
+      break;
+
+    case 0x1626:       /* (blue steel) */
+      element = EL_STEEL_CHAR_R;
+      break;
+
+    case 0x1627:       /* (blue steel) */
+      element = EL_STEEL_CHAR_S;
+      break;
+
+    case 0x1628:       /* (blue steel) */
+      element = EL_STEEL_CHAR_T;
+      break;
+
+    case 0x1629:       /* (blue steel) */
+      element = EL_STEEL_CHAR_U;
+      break;
+
+    case 0x162a:       /* (blue steel) */
+      element = EL_STEEL_CHAR_V;
+      break;
+
+    case 0x162b:       /* (blue steel) */
+      element = EL_STEEL_CHAR_W;
+      break;
+
+    case 0x162c:       /* (blue steel) */
+      element = EL_STEEL_CHAR_X;
+      break;
+
+    case 0x162d:       /* (blue steel) */
+      element = EL_STEEL_CHAR_Y;
+      break;
+
+    case 0x162e:       /* (blue steel) */
+      element = EL_STEEL_CHAR_Z;
+      break;
+
+    case 0x162f:       /* (blue steel) */
+      element = EL_STEEL_CHAR_AUMLAUT;
+      break;
+
+    case 0x1630:       /* (blue steel) */
+      element = EL_STEEL_CHAR_OUMLAUT;
+      break;
+
+    case 0x1631:       /* (blue steel) */
+      element = EL_STEEL_CHAR_UUMLAUT;
+      break;
+
+    case 0x1632:       /* (blue steel) */
+      element = EL_STEEL_CHAR_0;
+      break;
+
+    case 0x1633:       /* (blue steel) */
+      element = EL_STEEL_CHAR_1;
+      break;
+
+    case 0x1634:       /* (blue steel) */
+      element = EL_STEEL_CHAR_2;
+      break;
+
+    case 0x1635:       /* (blue steel) */
+      element = EL_STEEL_CHAR_3;
+      break;
+
+    case 0x1636:       /* (blue steel) */
+      element = EL_STEEL_CHAR_4;
+      break;
+
+    case 0x1637:       /* (blue steel) */
+      element = EL_STEEL_CHAR_5;
+      break;
+
+    case 0x1638:       /* (blue steel) */
+      element = EL_STEEL_CHAR_6;
+      break;
+
+    case 0x1639:       /* (blue steel) */
+      element = EL_STEEL_CHAR_7;
+      break;
+
+    case 0x163a:       /* (blue steel) */
+      element = EL_STEEL_CHAR_8;
+      break;
+
+    case 0x163b:       /* (blue steel) */
+      element = EL_STEEL_CHAR_9;
+      break;
+
+    case 0x163c:       /* (blue steel) */
+      element = EL_STEEL_CHAR_PERIOD;
+      break;
+
+    case 0x163d:       /* (blue steel) */
+      element = EL_STEEL_CHAR_EXCLAM;
+      break;
+
+    case 0x163e:       /* (blue steel) */
+      element = EL_STEEL_CHAR_COLON;
+      break;
+
+    case 0x163f:       /* (blue steel) */
+      element = EL_STEEL_CHAR_LESS;
+      break;
+
+    case 0x1640:       /* (blue steel) */
+      element = EL_STEEL_CHAR_GREATER;
+      break;
+
+    case 0x1641:       /* (blue steel) */
+      element = EL_STEEL_CHAR_QUESTION;
+      break;
+
+    case 0x1642:       /* (blue steel) */
+      element = EL_STEEL_CHAR_COPYRIGHT;
+      break;
+
+    case 0x1643:       /* (blue steel) */
+      element = EL_STEEL_CHAR_UP;
+      break;
+
+    case 0x1644:       /* (blue steel) */
+      element = EL_STEEL_CHAR_DOWN;
+      break;
+
+    case 0x1645:       /* (blue steel) */
+      element = EL_STEEL_CHAR_BUTTON;
+      break;
+
+    case 0x1646:       /* (blue steel) */
+      element = EL_STEEL_CHAR_PLUS;
+      break;
+
+    case 0x1647:       /* (blue steel) */
+      element = EL_STEEL_CHAR_MINUS;
+      break;
+
+    case 0x1648:       /* (blue steel) */
+      element = EL_STEEL_CHAR_APOSTROPHE;
+      break;
+
+    case 0x1649:       /* (blue steel) */
+      element = EL_STEEL_CHAR_PARENLEFT;
+      break;
+
+    case 0x164a:       /* (blue steel) */
+      element = EL_STEEL_CHAR_PARENRIGHT;
+      break;
+
+    case 0x164b:       /* (green steel) */
+      element = EL_STEEL_CHAR_A;
+      break;
+
+    case 0x164c:       /* (green steel) */
+      element = EL_STEEL_CHAR_B;
+      break;
+
+    case 0x164d:       /* (green steel) */
+      element = EL_STEEL_CHAR_C;
+      break;
+
+    case 0x164e:       /* (green steel) */
+      element = EL_STEEL_CHAR_D;
+      break;
+
+    case 0x164f:       /* (green steel) */
+      element = EL_STEEL_CHAR_E;
+      break;
+
+    case 0x1650:       /* (green steel) */
+      element = EL_STEEL_CHAR_F;
+      break;
+
+    case 0x1651:       /* (green steel) */
+      element = EL_STEEL_CHAR_G;
+      break;
+
+    case 0x1652:       /* (green steel) */
+      element = EL_STEEL_CHAR_H;
+      break;
+
+    case 0x1653:       /* (green steel) */
+      element = EL_STEEL_CHAR_I;
+      break;
+
+    case 0x1654:       /* (green steel) */
+      element = EL_STEEL_CHAR_J;
+      break;
+
+    case 0x1655:       /* (green steel) */
+      element = EL_STEEL_CHAR_K;
+      break;
+
+    case 0x1656:       /* (green steel) */
+      element = EL_STEEL_CHAR_L;
+      break;
+
+    case 0x1657:       /* (green steel) */
+      element = EL_STEEL_CHAR_M;
+      break;
+
+    case 0x1658:       /* (green steel) */
+      element = EL_STEEL_CHAR_N;
+      break;
+
+    case 0x1659:       /* (green steel) */
+      element = EL_STEEL_CHAR_O;
+      break;
+
+    case 0x165a:       /* (green steel) */
+      element = EL_STEEL_CHAR_P;
+      break;
+
+    case 0x165b:       /* (green steel) */
+      element = EL_STEEL_CHAR_Q;
+      break;
+
+    case 0x165c:       /* (green steel) */
+      element = EL_STEEL_CHAR_R;
+      break;
+
+    case 0x165d:       /* (green steel) */
+      element = EL_STEEL_CHAR_S;
+      break;
+
+    case 0x165e:       /* (green steel) */
+      element = EL_STEEL_CHAR_T;
+      break;
+
+    case 0x165f:       /* (green steel) */
+      element = EL_STEEL_CHAR_U;
+      break;
+
+    case 0x1660:       /* (green steel) */
+      element = EL_STEEL_CHAR_V;
+      break;
+
+    case 0x1661:       /* (green steel) */
+      element = EL_STEEL_CHAR_W;
+      break;
+
+    case 0x1662:       /* (green steel) */
+      element = EL_STEEL_CHAR_X;
+      break;
+
+    case 0x1663:       /* (green steel) */
+      element = EL_STEEL_CHAR_Y;
+      break;
+
+    case 0x1664:       /* (green steel) */
+      element = EL_STEEL_CHAR_Z;
+      break;
+
+    case 0x1665:       /* (green steel) */
+      element = EL_STEEL_CHAR_AUMLAUT;
+      break;
+
+    case 0x1666:       /* (green steel) */
+      element = EL_STEEL_CHAR_OUMLAUT;
+      break;
+
+    case 0x1667:       /* (green steel) */
+      element = EL_STEEL_CHAR_UUMLAUT;
+      break;
+
+    case 0x1668:       /* (green steel) */
+      element = EL_STEEL_CHAR_0;
+      break;
+
+    case 0x1669:       /* (green steel) */
+      element = EL_STEEL_CHAR_1;
+      break;
+
+    case 0x166a:       /* (green steel) */
+      element = EL_STEEL_CHAR_2;
+      break;
+
+    case 0x166b:       /* (green steel) */
+      element = EL_STEEL_CHAR_3;
+      break;
+
+    case 0x166c:       /* (green steel) */
+      element = EL_STEEL_CHAR_4;
+      break;
+
+    case 0x166d:       /* (green steel) */
+      element = EL_STEEL_CHAR_5;
+      break;
+
+    case 0x166e:       /* (green steel) */
+      element = EL_STEEL_CHAR_6;
+      break;
+
+    case 0x166f:       /* (green steel) */
+      element = EL_STEEL_CHAR_7;
+      break;
+
+    case 0x1670:       /* (green steel) */
+      element = EL_STEEL_CHAR_8;
+      break;
+
+    case 0x1671:       /* (green steel) */
+      element = EL_STEEL_CHAR_9;
+      break;
+
+    case 0x1672:       /* (green steel) */
+      element = EL_STEEL_CHAR_PERIOD;
+      break;
+
+    case 0x1673:       /* (green steel) */
+      element = EL_STEEL_CHAR_EXCLAM;
+      break;
+
+    case 0x1674:       /* (green steel) */
+      element = EL_STEEL_CHAR_COLON;
+      break;
+
+    case 0x1675:       /* (green steel) */
+      element = EL_STEEL_CHAR_LESS;
+      break;
+
+    case 0x1676:       /* (green steel) */
+      element = EL_STEEL_CHAR_GREATER;
+      break;
+
+    case 0x1677:       /* (green steel) */
+      element = EL_STEEL_CHAR_QUESTION;
+      break;
+
+    case 0x1678:       /* (green steel) */
+      element = EL_STEEL_CHAR_COPYRIGHT;
+      break;
+
+    case 0x1679:       /* (green steel) */
+      element = EL_STEEL_CHAR_UP;
+      break;
+
+    case 0x167a:       /* (green steel) */
+      element = EL_STEEL_CHAR_DOWN;
+      break;
+
+    case 0x167b:       /* (green steel) */
+      element = EL_STEEL_CHAR_BUTTON;
+      break;
+
+    case 0x167c:       /* (green steel) */
+      element = EL_STEEL_CHAR_PLUS;
+      break;
+
+    case 0x167d:       /* (green steel) */
+      element = EL_STEEL_CHAR_MINUS;
+      break;
+
+    case 0x167e:       /* (green steel) */
+      element = EL_STEEL_CHAR_APOSTROPHE;
+      break;
+
+    case 0x167f:       /* (green steel) */
+      element = EL_STEEL_CHAR_PARENLEFT;
+      break;
+
+    case 0x1680:       /* (green steel) */
+      element = EL_STEEL_CHAR_PARENRIGHT;
+      break;
+
+    case 0x1681:       /* gate (red) */
+      element = EL_EM_GATE_1;
+      break;
+
+    case 0x1682:       /* secret gate (red) */
+      element = EL_GATE_1_GRAY;
+      break;
+
+    case 0x1683:       /* gate (yellow) */
+      element = EL_EM_GATE_2;
+      break;
+
+    case 0x1684:       /* secret gate (yellow) */
+      element = EL_GATE_2_GRAY;
+      break;
+
+    case 0x1685:       /* gate (blue) */
+      element = EL_EM_GATE_4;
+      break;
+
+    case 0x1686:       /* secret gate (blue) */
+      element = EL_GATE_4_GRAY;
+      break;
+
+    case 0x1687:       /* gate (green) */
+      element = EL_EM_GATE_3;
+      break;
+
+    case 0x1688:       /* secret gate (green) */
+      element = EL_GATE_3_GRAY;
+      break;
+
+    case 0x1689:       /* gate (white) */
+      element = EL_DC_GATE_WHITE;
+      break;
+
+    case 0x168a:       /* secret gate (white) */
+      element = EL_DC_GATE_WHITE_GRAY;
+      break;
+
+    case 0x168b:       /* secret gate (no key) */
+      element = EL_DC_GATE_FAKE_GRAY;
+      break;
+
+    case 0x168c:
+      element = EL_ROBOT_WHEEL;
+      break;
+
+    case 0x168d:
+      element = EL_DC_TIMEGATE_SWITCH;
+      break;
+
+    case 0x168e:
+      element = EL_ACID_POOL_BOTTOM;
+      break;
+
+    case 0x168f:
+      element = EL_ACID_POOL_TOPLEFT;
+      break;
+
+    case 0x1690:
+      element = EL_ACID_POOL_TOPRIGHT;
+      break;
+
+    case 0x1691:
+      element = EL_ACID_POOL_BOTTOMLEFT;
+      break;
+
+    case 0x1692:
+      element = EL_ACID_POOL_BOTTOMRIGHT;
+      break;
+
+    case 0x1693:
+      element = EL_STEELWALL;
+      break;
+
+    case 0x1694:
+      element = EL_STEELWALL_SLIPPERY;
+      break;
+
+    case 0x1695:       /* steel wall (not round) */
+      element = EL_STEELWALL;
+      break;
+
+    case 0x1696:       /* steel wall (left) */
+      element = EL_DC_STEELWALL_1_LEFT;
+      break;
+
+    case 0x1697:       /* steel wall (bottom) */
+      element = EL_DC_STEELWALL_1_BOTTOM;
+      break;
+
+    case 0x1698:       /* steel wall (right) */
+      element = EL_DC_STEELWALL_1_RIGHT;
+      break;
+
+    case 0x1699:       /* steel wall (top) */
+      element = EL_DC_STEELWALL_1_TOP;
+      break;
+
+    case 0x169a:       /* steel wall (left/bottom) */
+      element = EL_DC_STEELWALL_1_BOTTOMLEFT;
+      break;
+
+    case 0x169b:       /* steel wall (right/bottom) */
+      element = EL_DC_STEELWALL_1_BOTTOMRIGHT;
+      break;
+
+    case 0x169c:       /* steel wall (right/top) */
+      element = EL_DC_STEELWALL_1_TOPRIGHT;
+      break;
+
+    case 0x169d:       /* steel wall (left/top) */
+      element = EL_DC_STEELWALL_1_TOPLEFT;
+      break;
+
+    case 0x169e:       /* steel wall (right/bottom small) */
+      element = EL_DC_STEELWALL_1_BOTTOMRIGHT_2;
+      break;
+
+    case 0x169f:       /* steel wall (left/bottom small) */
+      element = EL_DC_STEELWALL_1_BOTTOMLEFT_2;
+      break;
+
+    case 0x16a0:       /* steel wall (right/top small) */
+      element = EL_DC_STEELWALL_1_TOPRIGHT_2;
+      break;
+
+    case 0x16a1:       /* steel wall (left/top small) */
+      element = EL_DC_STEELWALL_1_TOPLEFT_2;
+      break;
+
+    case 0x16a2:       /* steel wall (left/right) */
+      element = EL_DC_STEELWALL_1_VERTICAL;
+      break;
+
+    case 0x16a3:       /* steel wall (top/bottom) */
+      element = EL_DC_STEELWALL_1_HORIZONTAL;
+      break;
+
+    case 0x16a4:       /* steel wall 2 (left end) */
+      element = EL_DC_STEELWALL_2_LEFT;
+      break;
+
+    case 0x16a5:       /* steel wall 2 (right end) */
+      element = EL_DC_STEELWALL_2_RIGHT;
+      break;
+
+    case 0x16a6:       /* steel wall 2 (top end) */
+      element = EL_DC_STEELWALL_2_TOP;
+      break;
+
+    case 0x16a7:       /* steel wall 2 (bottom end) */
+      element = EL_DC_STEELWALL_2_BOTTOM;
+      break;
+
+    case 0x16a8:       /* steel wall 2 (left/right) */
+      element = EL_DC_STEELWALL_2_HORIZONTAL;
+      break;
+
+    case 0x16a9:       /* steel wall 2 (up/down) */
+      element = EL_DC_STEELWALL_2_VERTICAL;
+      break;
+
+    case 0x16aa:       /* steel wall 2 (mid) */
+      element = EL_DC_STEELWALL_2_MIDDLE;
+      break;
+
+    case 0x16ab:
+      element = EL_SIGN_EXCLAMATION;
+      break;
+
+    case 0x16ac:
+      element = EL_SIGN_RADIOACTIVITY;
+      break;
+
+    case 0x16ad:
+      element = EL_SIGN_STOP;
+      break;
+
+    case 0x16ae:
+      element = EL_SIGN_WHEELCHAIR;
+      break;
+
+    case 0x16af:
+      element = EL_SIGN_PARKING;
+      break;
+
+    case 0x16b0:
+      element = EL_SIGN_NO_ENTRY;
+      break;
+
+    case 0x16b1:
+      element = EL_SIGN_HEART;
+      break;
+
+    case 0x16b2:
+      element = EL_SIGN_GIVE_WAY;
+      break;
+
+    case 0x16b3:
+      element = EL_SIGN_ENTRY_FORBIDDEN;
+      break;
+
+    case 0x16b4:
+      element = EL_SIGN_EMERGENCY_EXIT;
+      break;
+
+    case 0x16b5:
+      element = EL_SIGN_YIN_YANG;
+      break;
+
+    case 0x16b6:
+      element = EL_WALL_EMERALD;
+      break;
+
+    case 0x16b7:
+      element = EL_WALL_DIAMOND;
+      break;
+
+    case 0x16b8:
+      element = EL_WALL_PEARL;
+      break;
+
+    case 0x16b9:
+      element = EL_WALL_CRYSTAL;
+      break;
+
+    case 0x16ba:
+      element = EL_INVISIBLE_WALL;
+      break;
+
+    case 0x16bb:
+      element = EL_INVISIBLE_STEELWALL;
+      break;
+
+      /* 0x16bc - 0x16cb: */
+      /* EL_INVISIBLE_SAND */
+
+    case 0x16cc:
+      element = EL_LIGHT_SWITCH;
+      break;
+
+    case 0x16cd:
+      element = EL_ENVELOPE_1;
+      break;
+
+    default:
+      if (element >= 0x0117 && element <= 0x036e)      /* (?) */
+       element = EL_DIAMOND;
+      else if (element >= 0x042d && element <= 0x0684) /* (?) */
+       element = EL_EMERALD;
+      else if (element >= 0x157c && element <= 0x158b)
+       element = EL_SAND;
+      else if (element >= 0x1590 && element <= 0x159f)
+       element = EL_DC_LANDMINE;
+      else if (element >= 0x16bc && element <= 0x16cb)
+       element = EL_INVISIBLE_SAND;
+      else
+      {
+       Error(ERR_WARN, "unknown Diamond Caves element 0x%04x", element);
+       element = EL_UNKNOWN;
+      }
+      break;
+  }
+
+  return getMappedElement(element);
+}
+
+#if 1
+
+static void LoadLevelFromFileStream_DC(FILE *file, struct LevelInfo *level,
+                                      int nr)
+{
+  byte header[DC_LEVEL_HEADER_SIZE];
+  int envelope_size;
+  int envelope_header_pos = 62;
+  int envelope_content_pos = 94;
+  int level_name_pos = 251;
+  int level_author_pos = 292;
+  int envelope_header_len;
+  int envelope_content_len;
+  int level_name_len;
+  int level_author_len;
+  int fieldx, fieldy;
+  int num_yamyam_contents;
+  int i, x, y;
+
+  getDecodedWord_DC(0, TRUE);          /* initialize DC2 decoding engine */
+
+  for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
+  {
+    unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+
+    header[i * 2 + 0] = header_word >> 8;
+    header[i * 2 + 1] = header_word & 0xff;
+  }
+
+  /* read some values from level header to check level decoding integrity */
+  fieldx = header[6] | (header[7] << 8);
+  fieldy = header[8] | (header[9] << 8);
+  num_yamyam_contents = header[60] | (header[61] << 8);
+
+  /* do some simple sanity checks to ensure that level was correctly decoded */
+  if (fieldx < 1 || fieldx > 256 ||
+      fieldy < 1 || fieldy > 256 ||
+      num_yamyam_contents < 1 || num_yamyam_contents > 8)
+  {
+    level->no_valid_file = TRUE;
+
+    Error(ERR_WARN, "cannot decode level from stream -- using empty level");
+
+    return;
+  }
+
+  /* maximum envelope header size is 31 bytes */
+  envelope_header_len  = header[envelope_header_pos];
+  /* maximum envelope content size is 110 (156?) bytes */
+  envelope_content_len = header[envelope_content_pos];
+
+  /* maximum level title size is 40 bytes */
+  level_name_len       = MIN(header[level_name_pos],   MAX_LEVEL_NAME_LEN);
+  /* maximum level author size is 30 (51?) bytes */
+  level_author_len     = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN);
+
+  envelope_size = 0;
+
+  for (i = 0; i < envelope_header_len; i++)
+    if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+      level->envelope[0].text[envelope_size++] =
+       header[envelope_header_pos + 1 + i];
+
+  if (envelope_header_len > 0 && envelope_content_len > 0)
+  {
+    if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+      level->envelope[0].text[envelope_size++] = '\n';
+    if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+      level->envelope[0].text[envelope_size++] = '\n';
+  }
+
+  for (i = 0; i < envelope_content_len; i++)
+    if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+      level->envelope[0].text[envelope_size++] =
+       header[envelope_content_pos + 1 + i];
+
+  level->envelope[0].text[envelope_size] = '\0';
+
+  level->envelope[0].xsize = MAX_ENVELOPE_XSIZE;
+  level->envelope[0].ysize = 10;
+  level->envelope[0].autowrap = TRUE;
+  level->envelope[0].centered = TRUE;
+
+  for (i = 0; i < level_name_len; i++)
+    level->name[i] = header[level_name_pos + 1 + i];
+  level->name[level_name_len] = '\0';
+
+  for (i = 0; i < level_author_len; i++)
+    level->author[i] = header[level_author_pos + 1 + i];
+  level->author[level_author_len] = '\0';
+
+  num_yamyam_contents = header[60] | (header[61] << 8);
+  level->num_yamyam_contents =
+    MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS);
+
+  for (i = 0; i < num_yamyam_contents; i++)
+  {
+    for (y = 0; y < 3; y++) for (x = 0; x < 3; x++)
+    {
+      unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+      int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+      int element_dc = word;
+#endif
+
+      if (i < MAX_ELEMENT_CONTENTS)
+       level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc);
+    }
+  }
+
+  fieldx = header[6] | (header[7] << 8);
+  fieldy = header[8] | (header[9] << 8);
+  level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX);
+  level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY);
+
+  for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++)
+  {
+    unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+    int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+    int element_dc = word;
+#endif
+
+    if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY)
+      level->field[x][y] = getMappedElement_DC(element_dc);
+  }
+
+  x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1);
+  y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1);
+  level->field[x][y] = EL_PLAYER_1;
+
+  x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1);
+  y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1);
+  level->field[x][y] = EL_PLAYER_2;
+
+  level->gems_needed           = header[18] | (header[19] << 8);
+
+  level->score[SC_EMERALD]     = header[20] | (header[21] << 8);
+  level->score[SC_DIAMOND]     = header[22] | (header[23] << 8);
+  level->score[SC_PEARL]       = header[24] | (header[25] << 8);
+  level->score[SC_CRYSTAL]     = header[26] | (header[27] << 8);
+  level->score[SC_NUT]         = header[28] | (header[29] << 8);
+  level->score[SC_ROBOT]       = header[30] | (header[31] << 8);
+  level->score[SC_SPACESHIP]   = header[32] | (header[33] << 8);
+  level->score[SC_BUG]         = header[34] | (header[35] << 8);
+  level->score[SC_YAMYAM]      = header[36] | (header[37] << 8);
+  level->score[SC_DYNAMITE]    = header[38] | (header[39] << 8);
+  level->score[SC_KEY]         = header[40] | (header[41] << 8);
+  level->score[SC_TIME_BONUS]  = header[42] | (header[43] << 8);
+
+  level->time                  = header[44] | (header[45] << 8);
+
+  level->amoeba_speed          = header[46] | (header[47] << 8);
+  level->time_light            = header[48] | (header[49] << 8);
+  level->time_timegate         = header[50] | (header[51] << 8);
+  level->time_wheel            = header[52] | (header[53] << 8);
+  level->time_magic_wall       = header[54] | (header[55] << 8);
+  level->extra_time            = header[56] | (header[57] << 8);
+  level->shield_normal_time    = header[58] | (header[59] << 8);
+
+  /* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
+     can slip down from flat walls, like normal walls and steel walls */
+  level->em_slippery_gems = TRUE;
+
+#if 0
+  /* Diamond Caves II levels are always surrounded by indestructible wall, but
+     not necessarily in a rectangular way -- fill with invisible steel wall */
+
+  /* !!! not always true !!! keep level and set BorderElement instead !!! */
+
+  for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+  {
+#if 1
+    if ((x == 0 || x == level->fieldx - 1 ||
+        y == 0 || y == level->fieldy - 1) &&
+       level->field[x][y] == EL_EMPTY)
+      level->field[x][y] = EL_INVISIBLE_STEELWALL;
+#else
+    if ((x == 0 || x == level->fieldx - 1 ||
+        y == 0 || y == level->fieldy - 1) &&
+       level->field[x][y] == EL_EMPTY)
+      FloodFillLevel(x, y, EL_INVISIBLE_STEELWALL,
+                    level->field, level->fieldx, level->fieldy);
+#endif
+  }
+#endif
+}
+
+static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
+                                    struct LevelFileInfo *level_file_info)
+{
+  char *filename = level_file_info->filename;
+  FILE *file;
+  int num_magic_bytes = 8;
+  char magic_bytes[num_magic_bytes + 1];
+  int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
+
+  if (!(file = fopen(filename, MODE_READ)))
+  {
+    level->no_valid_file = TRUE;
+
+    Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+    return;
+  }
+
+  // fseek(file, 0x0000, SEEK_SET);
+
+  if (level_file_info->packed)
+  {
+    /* read "magic bytes" from start of file */
+    fgets(magic_bytes, num_magic_bytes + 1, file);
+
+    /* check "magic bytes" for correct file format */
+    if (!strPrefix(magic_bytes, "DC2"))
+    {
+      level->no_valid_file = TRUE;
+
+      Error(ERR_WARN, "unknown DC level file '%s' -- using empty level",
+           filename);
+
+      return;
+    }
+
+    if (strPrefix(magic_bytes, "DC2Win95") ||
+       strPrefix(magic_bytes, "DC2Win98"))
+    {
+      int position_first_level = 0x00fa;
+      int extra_bytes = 4;
+      int skip_bytes;
+
+      /* advance file stream to first level inside the level package */
+      skip_bytes = position_first_level - num_magic_bytes - extra_bytes;
+
+      /* each block of level data is followed by block of non-level data */
+      num_levels_to_skip *= 2;
+
+      /* at least skip header bytes, therefore use ">= 0" instead of "> 0" */
+      while (num_levels_to_skip >= 0)
+      {
+       /* advance file stream to next level inside the level package */
+       if (fseek(file, skip_bytes, SEEK_CUR) != 0)
+       {
+         level->no_valid_file = TRUE;
+
+         Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level",
+               filename);
+
+         return;
+       }
+
+       /* skip apparently unused extra bytes following each level */
+       ReadUnusedBytesFromFile(file, extra_bytes);
+
+       /* read size of next level in level package */
+       skip_bytes = getFile32BitLE(file);
+
+       num_levels_to_skip--;
+      }
+    }
+    else
+    {
+      level->no_valid_file = TRUE;
+
+      Error(ERR_WARN, "unknown DC2 level file '%s' -- using empty level",
+           filename);
+
+      return;
+    }
+  }
+
+  LoadLevelFromFileStream_DC(file, level, level_file_info->nr);
+
+  fclose(file);
+}
+
+#else
+
+static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
+                                    struct LevelFileInfo *level_file_info)
+{
+  char *filename = level_file_info->filename;
+  FILE *file;
+#if 0
+  int nr = level_file_info->nr - leveldir_current->first_level;
+#endif
+  byte header[DC_LEVEL_HEADER_SIZE];
+  int envelope_size;
+  int envelope_header_pos = 62;
+  int envelope_content_pos = 94;
+  int level_name_pos = 251;
+  int level_author_pos = 292;
+  int envelope_header_len;
+  int envelope_content_len;
+  int level_name_len;
+  int level_author_len;
+  int fieldx, fieldy;
+  int num_yamyam_contents;
+  int i, x, y;
+
+  if (!(file = fopen(filename, MODE_READ)))
+  {
+    level->no_valid_file = TRUE;
+
+    Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+    return;
+  }
+
+#if 0
+  /* position file stream to the requested level inside the level package */
+  if (fseek(file, nr * SP_LEVEL_SIZE, SEEK_SET) != 0)
+  {
+    level->no_valid_file = TRUE;
+
+    Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level", filename);
+
+    return;
+  }
+#endif
+
+  getDecodedWord_DC(0, TRUE);          /* initialize DC2 decoding engine */
+
+  for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
+  {
+    unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+
+    header[i * 2 + 0] = header_word >> 8;
+    header[i * 2 + 1] = header_word & 0xff;
+  }
+
+  /* read some values from level header to check level decoding integrity */
+  fieldx = header[6] | (header[7] << 8);
+  fieldy = header[8] | (header[9] << 8);
+  num_yamyam_contents = header[60] | (header[61] << 8);
+
+  /* do some simple sanity checks to ensure that level was correctly decoded */
+  if (fieldx < 1 || fieldx > 256 ||
+      fieldy < 1 || fieldy > 256 ||
+      num_yamyam_contents < 1 || num_yamyam_contents > 8)
+  {
+    level->no_valid_file = TRUE;
+
+    Error(ERR_WARN, "cannot read level from file '%s' -- using empty level",
+         filename);
+
+    return;
+  }
+
+  /* maximum envelope header size is 31 bytes */
+  envelope_header_len  = header[envelope_header_pos];
+  /* maximum envelope content size is 110 (156?) bytes */
+  envelope_content_len = header[envelope_content_pos];
+
+  /* maximum level title size is 40 bytes */
+  level_name_len       = MIN(header[level_name_pos],   MAX_LEVEL_NAME_LEN);
+  /* maximum level author size is 30 (51?) bytes */
+  level_author_len     = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN);
+
+  envelope_size = 0;
+
+  for (i = 0; i < envelope_header_len; i++)
+    if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+      level->envelope[0].text[envelope_size++] =
+       header[envelope_header_pos + 1 + i];
+
+  if (envelope_header_len > 0 && envelope_content_len > 0)
+  {
+    if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+      level->envelope[0].text[envelope_size++] = '\n';
+    if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+      level->envelope[0].text[envelope_size++] = '\n';
+  }
+
+  for (i = 0; i < envelope_content_len; i++)
+    if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+      level->envelope[0].text[envelope_size++] =
+       header[envelope_content_pos + 1 + i];
+
+  level->envelope[0].text[envelope_size] = '\0';
+
+  level->envelope[0].xsize = MAX_ENVELOPE_XSIZE;
+  level->envelope[0].ysize = 10;
+  level->envelope[0].autowrap = TRUE;
+  level->envelope[0].centered = TRUE;
+
+  for (i = 0; i < level_name_len; i++)
+    level->name[i] = header[level_name_pos + 1 + i];
+  level->name[level_name_len] = '\0';
+
+  for (i = 0; i < level_author_len; i++)
+    level->author[i] = header[level_author_pos + 1 + i];
+  level->author[level_author_len] = '\0';
+
+  num_yamyam_contents = header[60] | (header[61] << 8);
+  level->num_yamyam_contents =
+    MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS);
+
+  for (i = 0; i < num_yamyam_contents; i++)
+  {
+    for (y = 0; y < 3; y++) for (x = 0; x < 3; x++)
+    {
+      unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+      int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+      int element_dc = word;
+#endif
+
+      if (i < MAX_ELEMENT_CONTENTS)
+       level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc);
+    }
+  }
+
+  fieldx = header[6] | (header[7] << 8);
+  fieldy = header[8] | (header[9] << 8);
+  level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX);
+  level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY);
+
+  for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++)
+  {
+    unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+    int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+    int element_dc = word;
+#endif
+
+    if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY)
+      level->field[x][y] = getMappedElement_DC(element_dc);
+  }
+
+  x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1);
+  y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1);
+  level->field[x][y] = EL_PLAYER_1;
+
+  x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1);
+  y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1);
+  level->field[x][y] = EL_PLAYER_2;
+
+  level->gems_needed           = header[18] | (header[19] << 8);
+
+  level->score[SC_EMERALD]     = header[20] | (header[21] << 8);
+  level->score[SC_DIAMOND]     = header[22] | (header[23] << 8);
+  level->score[SC_PEARL]       = header[24] | (header[25] << 8);
+  level->score[SC_CRYSTAL]     = header[26] | (header[27] << 8);
+  level->score[SC_NUT]         = header[28] | (header[29] << 8);
+  level->score[SC_ROBOT]       = header[30] | (header[31] << 8);
+  level->score[SC_SPACESHIP]   = header[32] | (header[33] << 8);
+  level->score[SC_BUG]         = header[34] | (header[35] << 8);
+  level->score[SC_YAMYAM]      = header[36] | (header[37] << 8);
+  level->score[SC_DYNAMITE]    = header[38] | (header[39] << 8);
+  level->score[SC_KEY]         = header[40] | (header[41] << 8);
+  level->score[SC_TIME_BONUS]  = header[42] | (header[43] << 8);
+
+  level->time                  = header[44] | (header[45] << 8);
+
+  level->amoeba_speed          = header[46] | (header[47] << 8);
+  level->time_light            = header[48] | (header[49] << 8);
+  level->time_timegate         = header[50] | (header[51] << 8);
+  level->time_wheel            = header[52] | (header[53] << 8);
+  level->time_magic_wall       = header[54] | (header[55] << 8);
+  level->extra_time            = header[56] | (header[57] << 8);
+  level->shield_normal_time    = header[58] | (header[59] << 8);
+
+  fclose(file);
+
+  /* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
+     can slip down from flat walls, like normal walls and steel walls */
+  level->em_slippery_gems = TRUE;
+
+#if 0
+  /* Diamond Caves II levels are always surrounded by indestructible wall, but
+     not necessarily in a rectangular way -- fill with invisible steel wall */
+
+  /* !!! not always true !!! keep level and set BorderElement instead !!! */
+
+  for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+  {
+#if 1
+    if ((x == 0 || x == level->fieldx - 1 ||
+        y == 0 || y == level->fieldy - 1) &&
+       level->field[x][y] == EL_EMPTY)
+      level->field[x][y] = EL_INVISIBLE_STEELWALL;
+#else
+    if ((x == 0 || x == level->fieldx - 1 ||
+        y == 0 || y == level->fieldy - 1) &&
+       level->field[x][y] == EL_EMPTY)
+      FloodFillLevel(x, y, EL_INVISIBLE_STEELWALL,
+                    level->field, level->fieldx, level->fieldy);
+#endif
+  }
+#endif
+}
+
+#endif
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading SB level                                            */
+/* ------------------------------------------------------------------------- */
+
+int getMappedElement_SB(int element_ascii, boolean use_ces)
+{
+  static struct
+  {
+    int ascii;
+    int sb;
+    int ce;
+  }
+  sb_element_mapping[] =
+  {
+    { ' ', EL_EMPTY,                EL_CUSTOM_1 },  /* floor (space) */
+    { '#', EL_STEELWALL,            EL_CUSTOM_2 },  /* wall */
+    { '@', EL_PLAYER_1,             EL_CUSTOM_3 },  /* player */
+    { '$', EL_SOKOBAN_OBJECT,       EL_CUSTOM_4 },  /* box */
+    { '.', EL_SOKOBAN_FIELD_EMPTY,  EL_CUSTOM_5 },  /* goal square */
+    { '*', EL_SOKOBAN_FIELD_FULL,   EL_CUSTOM_6 },  /* box on goal square */
+    { '+', EL_SOKOBAN_FIELD_PLAYER, EL_CUSTOM_7 },  /* player on goal square */
+#if 0
+    { '_', EL_INVISIBLE_STEELWALL,  EL_CUSTOM_8 },  /* floor beyond border */
+#else
+    { '_', EL_INVISIBLE_STEELWALL,  EL_FROM_LEVEL_TEMPLATE },  /* floor beyond border */
+#endif
+
+    { 0,   -1,                      -1          },
+  };
+
+  int i;
+
+  for (i = 0; sb_element_mapping[i].ascii != 0; i++)
+    if (element_ascii == sb_element_mapping[i].ascii)
+      return (use_ces ? sb_element_mapping[i].ce : sb_element_mapping[i].sb);
+
+  return EL_UNDEFINED;
+}
+
+static void LoadLevelFromFileInfo_SB(struct LevelInfo *level,
+                                    struct LevelFileInfo *level_file_info)
+{
+  char *filename = level_file_info->filename;
+  char line[MAX_LINE_LEN], line_raw[MAX_LINE_LEN], previous_line[MAX_LINE_LEN];
+  char last_comment[MAX_LINE_LEN];
+  char level_name[MAX_LINE_LEN];
+  char *line_ptr;
+  FILE *file;
+  int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
+  boolean read_continued_line = FALSE;
+  boolean reading_playfield = FALSE;
+  boolean got_valid_playfield_line = FALSE;
+  boolean invalid_playfield_char = FALSE;
+  boolean load_xsb_to_ces = check_special_flags("load_xsb_to_ces");
+  int file_level_nr = 0;
+  int line_nr = 0;
+  int x = 0, y = 0;            /* initialized to make compilers happy */
+
+#if 0
+  printf("::: looking for level number %d [%d]\n",
+        level_file_info->nr, num_levels_to_skip);
+#endif
+
+  last_comment[0] = '\0';
+  level_name[0] = '\0';
+
+  if (!(file = fopen(filename, MODE_READ)))
+  {
+    level->no_valid_file = TRUE;
+
+    Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+    return;
+  }
+
+  while (!feof(file))
+  {
+    /* level successfully read, but next level may follow here */
+    if (!got_valid_playfield_line && reading_playfield)
+    {
+#if 0
+      printf("::: read complete playfield\n");
+#endif
+
+      /* read playfield from single level file -- skip remaining file */
+      if (!level_file_info->packed)
+       break;
+
+      if (file_level_nr >= num_levels_to_skip)
+       break;
+
+      file_level_nr++;
+
+      last_comment[0] = '\0';
+      level_name[0] = '\0';
+
+      reading_playfield = FALSE;
+    }
+
+    got_valid_playfield_line = FALSE;
+
+    /* read next line of input file */
+    if (!fgets(line, MAX_LINE_LEN, file))
+      break;
+
+    /* check if line was completely read and is terminated by line break */
+    if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
+      line_nr++;
+
+    /* cut trailing line break (this can be newline and/or carriage return) */
+    for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--)
+      if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0')
+        *line_ptr = '\0';
+
+    /* copy raw input line for later use (mainly debugging output) */
+    strcpy(line_raw, line);
+
+    if (read_continued_line)
+    {
+      /* append new line to existing line, if there is enough space */
+      if (strlen(previous_line) + strlen(line_ptr) < MAX_LINE_LEN)
+        strcat(previous_line, line_ptr);
+
+      strcpy(line, previous_line);      /* copy storage buffer to line */
+
+      read_continued_line = FALSE;
+    }
+
+    /* if the last character is '\', continue at next line */
+    if (strlen(line) > 0 && line[strlen(line) - 1] == '\\')
+    {
+      line[strlen(line) - 1] = '\0';    /* cut off trailing backslash */
+      strcpy(previous_line, line);      /* copy line to storage buffer */
+
+      read_continued_line = TRUE;
+
+      continue;
+    }
+
+    /* skip empty lines */
+    if (line[0] == '\0')
+      continue;
+
+    /* extract comment text from comment line */
+    if (line[0] == ';')
+    {
+      for (line_ptr = line; *line_ptr; line_ptr++)
+        if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != ';')
+          break;
+
+      strcpy(last_comment, line_ptr);
+
+#if 0
+      printf("::: found comment '%s' in line %d\n", last_comment, line_nr);
+#endif
+
+      continue;
+    }
+
+    /* extract level title text from line containing level title */
+    if (line[0] == '\'')
+    {
+      strcpy(level_name, &line[1]);
+
+      if (strlen(level_name) > 0 && level_name[strlen(level_name) - 1] == '\'')
+       level_name[strlen(level_name) - 1] = '\0';
+
+#if 0
+      printf("::: found level name '%s' in line %d\n", level_name, line_nr);
+#endif
+
+      continue;
+    }
+
+    /* skip lines containing only spaces (or empty lines) */
+    for (line_ptr = line; *line_ptr; line_ptr++)
+      if (*line_ptr != ' ')
+       break;
+    if (*line_ptr == '\0')
+      continue;
+
+    /* at this point, we have found a line containing part of a playfield */
+
+#if 0
+    printf("::: found playfield row in line %d\n", line_nr);
+#endif
+
+    got_valid_playfield_line = TRUE;
+
+    if (!reading_playfield)
+    {
+      reading_playfield = TRUE;
+      invalid_playfield_char = FALSE;
+
+      for (x = 0; x < MAX_LEV_FIELDX; x++)
+       for (y = 0; y < MAX_LEV_FIELDY; y++)
+         level->field[x][y] = getMappedElement_SB(' ', load_xsb_to_ces);
+
+      level->fieldx = 0;
+      level->fieldy = 0;
+
+      /* start with topmost tile row */
+      y = 0;
+    }
+
+    /* skip playfield line if larger row than allowed */
+    if (y >= MAX_LEV_FIELDY)
+      continue;
+
+    /* start with leftmost tile column */
+    x = 0;
+
+    /* read playfield elements from line */
+    for (line_ptr = line; *line_ptr; line_ptr++)
+    {
+      int mapped_sb_element = getMappedElement_SB(*line_ptr, load_xsb_to_ces);
+
+      /* stop parsing playfield line if larger column than allowed */
+      if (x >= MAX_LEV_FIELDX)
+       break;
+
+      if (mapped_sb_element == EL_UNDEFINED)
+      {
+       invalid_playfield_char = TRUE;
+
+       break;
+      }
+
+      level->field[x][y] = mapped_sb_element;
+
+      /* continue with next tile column */
+      x++;
+
+      level->fieldx = MAX(x, level->fieldx);
+    }
+
+    if (invalid_playfield_char)
+    {
+      /* if first playfield line, treat invalid lines as comment lines */
+      if (y == 0)
+       reading_playfield = FALSE;
+
+      continue;
+    }
+
+    /* continue with next tile row */
+    y++;
+  }
+
+  fclose(file);
+
+  level->fieldy = y;
+
+  level->fieldx = MIN(MAX(MIN_LEV_FIELDX, level->fieldx), MAX_LEV_FIELDX);
+  level->fieldy = MIN(MAX(MIN_LEV_FIELDY, level->fieldy), MAX_LEV_FIELDY);
+
+  if (!reading_playfield)
+  {
+    level->no_valid_file = TRUE;
+
+    Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+    return;
+  }
+
+  if (*level_name != '\0')
+  {
+    strncpy(level->name, level_name, MAX_LEVEL_NAME_LEN);
+    level->name[MAX_LEVEL_NAME_LEN] = '\0';
+
+#if 0
+    printf(":1: level name: '%s'\n", level->name);
+#endif
+  }
+  else if (*last_comment != '\0')
+  {
+    strncpy(level->name, last_comment, MAX_LEVEL_NAME_LEN);
+    level->name[MAX_LEVEL_NAME_LEN] = '\0';
+
+#if 0
+    printf(":2: level name: '%s'\n", level->name);
+#endif
+  }
+  else
+  {
+    sprintf(level->name, "--> Level %d <--", level_file_info->nr);
+  }
+
+  /* set all empty fields beyond the border walls to invisible steel wall */
+  for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+  {
+    if ((x == 0 || x == level->fieldx - 1 ||
+        y == 0 || y == level->fieldy - 1) &&
+       level->field[x][y] == getMappedElement_SB(' ', load_xsb_to_ces))
+      FloodFillLevel(x, y, getMappedElement_SB('_', load_xsb_to_ces),
+                    level->field, level->fieldx, level->fieldy);
+  }
+
+  /* set special level settings for Sokoban levels */
+
+  level->time = 0;
+  level->use_step_counter = TRUE;
+
+  if (load_xsb_to_ces)
+  {
+#if 1
+    /* !!! special global settings can now be set in level template !!! */
+#else
+    level->initial_player_stepsize[0] = STEPSIZE_SLOW;
+#endif
+
+    /* fill smaller playfields with padding "beyond border wall" elements */
+    if (level->fieldx < SCR_FIELDX ||
+       level->fieldy < SCR_FIELDY)
+    {
+      short field[level->fieldx][level->fieldy];
+      int new_fieldx = MAX(level->fieldx, SCR_FIELDX);
+      int new_fieldy = MAX(level->fieldy, SCR_FIELDY);
+      int pos_fieldx = (new_fieldx - level->fieldx) / 2;
+      int pos_fieldy = (new_fieldy - level->fieldy) / 2;
+
+      /* copy old playfield (which is smaller than the visible area) */
+      for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+       field[x][y] = level->field[x][y];
+
+      /* fill new, larger playfield with "beyond border wall" elements */
+      for (y = 0; y < new_fieldy; y++) for (x = 0; x < new_fieldx; x++)
+       level->field[x][y] = getMappedElement_SB('_', load_xsb_to_ces);
+
+      /* copy the old playfield to the middle of the new playfield */
+      for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+       level->field[pos_fieldx + x][pos_fieldy + y] = field[x][y];
+
+      level->fieldx = new_fieldx;
+      level->fieldy = new_fieldy;
+    }
+
+    level->use_custom_template = TRUE;
+  }
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for handling native levels                                      */
+/* ------------------------------------------------------------------------- */
+
+static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
+                                    struct LevelFileInfo *level_file_info)
+{
+  if (!LoadNativeLevel_EM(level_file_info->filename))
+    level->no_valid_file = TRUE;
+}
+
+static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
+                                    struct LevelFileInfo *level_file_info)
+{
+  int pos = 0;
+
+  /* determine position of requested level inside level package */
+  if (level_file_info->packed)
+    pos = level_file_info->nr - leveldir_current->first_level;
+
+  if (!LoadNativeLevel_SP(level_file_info->filename, pos))
+    level->no_valid_file = TRUE;
+}
+
+void CopyNativeLevel_RND_to_Native(struct LevelInfo *level)
+{
+  if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
+    CopyNativeLevel_RND_to_EM(level);
+  else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
+    CopyNativeLevel_RND_to_SP(level);
+}
+
+void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
+{
+  if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
+    CopyNativeLevel_EM_to_RND(level);
+  else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
+    CopyNativeLevel_SP_to_RND(level);
+}
+
+void SaveNativeLevel(struct LevelInfo *level)
+{
+  if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
+  {
+    char *basename = getSingleLevelBasenameExt(level->file_info.nr, "sp");
+    char *filename = getLevelFilenameFromBasename(basename);
+
+    CopyNativeLevel_RND_to_SP(level);
+    CopyNativeTape_RND_to_SP(level);
+
+    SaveNativeLevel_SP(filename);
+  }
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading generic level                                       */
+/* ------------------------------------------------------------------------- */
+
+void LoadLevelFromFileInfo(struct LevelInfo *level,
+                          struct LevelFileInfo *level_file_info)
+{
+  /* always start with reliable default values */
+  setLevelInfoToDefaults(level);
+
+  switch (level_file_info->type)
+  {
+    case LEVEL_FILE_TYPE_RND:
+      LoadLevelFromFileInfo_RND(level, level_file_info);
+      break;
+
+    case LEVEL_FILE_TYPE_EM:
+      LoadLevelFromFileInfo_EM(level, level_file_info);
+      level->game_engine_type = GAME_ENGINE_TYPE_EM;
+      break;
+
+    case LEVEL_FILE_TYPE_SP:
+      LoadLevelFromFileInfo_SP(level, level_file_info);
+      level->game_engine_type = GAME_ENGINE_TYPE_SP;
+      break;
+
+    case LEVEL_FILE_TYPE_DC:
+      LoadLevelFromFileInfo_DC(level, level_file_info);
+      break;
+
+    case LEVEL_FILE_TYPE_SB:
+      LoadLevelFromFileInfo_SB(level, level_file_info);
+      break;
+
+    default:
+      LoadLevelFromFileInfo_RND(level, level_file_info);
+      break;
+  }
+
+  /* if level file is invalid, restore level structure to default values */
+  if (level->no_valid_file)
+    setLevelInfoToDefaults(level);
+
+  if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN)
+    level->game_engine_type = GAME_ENGINE_TYPE_RND;
+
+  if (level_file_info->type != LEVEL_FILE_TYPE_RND)
+    CopyNativeLevel_Native_to_RND(level);
+}
+
+void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
+{
+  static struct LevelFileInfo level_file_info;
+
+  /* always start with reliable default values */
+  setFileInfoToDefaults(&level_file_info);
+
+  level_file_info.nr = 0;                      /* unknown level number */
+  level_file_info.type = LEVEL_FILE_TYPE_RND;  /* no others supported yet */
+  level_file_info.filename = filename;
+
+  LoadLevelFromFileInfo(level, &level_file_info);
+}
+
+static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename)
+{
+  int i, j;
+
+  if (leveldir_current == NULL)                /* only when dumping level */
+    return;
+
+  /* all engine modifications also valid for levels which use latest engine */
+  if (level->game_version < VERSION_IDENT(3,2,0,5))
+  {
+    /* time bonus score was given for 10 s instead of 1 s before 3.2.0-5 */
+    level->score[SC_TIME_BONUS] /= 10;
+  }
+
+#if 0
+  leveldir_current->latest_engine = TRUE;      /* !!! TEST ONLY !!! */
+#endif
+
+  if (leveldir_current->latest_engine)
+  {
+    /* ---------- use latest game engine ----------------------------------- */
+
+    /* For all levels which are forced to use the latest game engine version
+       (normally all but user contributed, private and undefined levels), set
+       the game engine version to the actual version; this allows for actual
+       corrections in the game engine to take effect for existing, converted
+       levels (from "classic" or other existing games) to make the emulation
+       of the corresponding game more accurate, while (hopefully) not breaking
+       existing levels created from other players. */
+
+    level->game_version = GAME_VERSION_ACTUAL;
+
+    /* Set special EM style gems behaviour: EM style gems slip down from
+       normal, steel and growing wall. As this is a more fundamental change,
+       it seems better to set the default behaviour to "off" (as it is more
+       natural) and make it configurable in the level editor (as a property
+       of gem style elements). Already existing converted levels (neither
+       private nor contributed levels) are changed to the new behaviour. */
+
+    if (level->file_version < FILE_VERSION_2_0)
+      level->em_slippery_gems = TRUE;
+
+    return;
+  }
+
+  /* ---------- use game engine the level was created with ----------------- */
+
+  /* For all levels which are not forced to use the latest game engine
+     version (normally user contributed, private and undefined levels),
+     use the version of the game engine the levels were created for.
+
+     Since 2.0.1, the game engine version is now directly stored
+     in the level file (chunk "VERS"), so there is no need anymore
+     to set the game version from the file version (except for old,
+     pre-2.0 levels, where the game version is still taken from the
+     file format version used to store the level -- see above). */
+
+  /* player was faster than enemies in 1.0.0 and before */
+  if (level->file_version == FILE_VERSION_1_0)
+    for (i = 0; i < MAX_PLAYERS; i++)
+      level->initial_player_stepsize[i] = STEPSIZE_FAST;
+
+  /* default behaviour for EM style gems was "slippery" only in 2.0.1 */
+  if (level->game_version == VERSION_IDENT(2,0,1,0))
+    level->em_slippery_gems = TRUE;
+
+  /* springs could be pushed over pits before (pre-release version) 2.2.0 */
+  if (level->game_version < VERSION_IDENT(2,2,0,0))
+    level->use_spring_bug = TRUE;
 
   if (level->game_version < VERSION_IDENT(3,2,0,5))
   {
@@ -4757,8 +7053,6 @@ static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename)
   /* trigger settings did not exist before 3.1.0; set to default "any" */
   if (level->game_version < VERSION_IDENT(3,1,0,0))
   {
-    int i, j;
-
     /* correct "can move into acid" settings (all zero in old levels) */
 
     level->can_move_into_acid_bits = 0; /* nothing can move into acid */
@@ -4779,15 +7073,99 @@ static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename)
       int element = EL_CUSTOM_START + i;
       struct ElementInfo *ei = &element_info[element];
 
-      for (j = 0; j < ei->num_change_pages; j++)
-      {
-       struct ElementChangeInfo *change = &ei->change_page[j];
+      for (j = 0; j < ei->num_change_pages; j++)
+      {
+       struct ElementChangeInfo *change = &ei->change_page[j];
+
+       change->trigger_player = CH_PLAYER_ANY;
+       change->trigger_page = CH_PAGE_ANY;
+      }
+    }
+  }
+
+  /* try to detect and fix "Snake Bite" levels, which are broken with 3.2.0 */
+  {
+    int element = EL_CUSTOM_256;
+    struct ElementInfo *ei = &element_info[element];
+    struct ElementChangeInfo *change = &ei->change_page[0];
+
+    /* This is needed to fix a problem that was caused by a bugfix in function
+       game.c/CreateFieldExt() introduced with 3.2.0 that corrects the behaviour
+       when a custom element changes to EL_SOKOBAN_FIELD_PLAYER (before, it did
+       not replace walkable elements, but instead just placed the player on it,
+       without placing the Sokoban field under the player). Unfortunately, this
+       breaks "Snake Bite" style levels when the snake is halfway through a door
+       that just closes (the snake head is still alive and can be moved in this
+       case). This can be fixed by replacing the EL_SOKOBAN_FIELD_PLAYER by the
+       player (without Sokoban element) which then gets killed as designed). */
+
+    if ((strncmp(leveldir_current->identifier, "snake_bite", 10) == 0 ||
+        strncmp(ei->description, "pause b4 death", 14) == 0) &&
+       change->target_element == EL_SOKOBAN_FIELD_PLAYER)
+      change->target_element = EL_PLAYER_1;
+  }
+
+#if 1
+  /* try to detect and fix "Zelda" style levels, which are broken with 3.2.5 */
+  if (level->game_version < VERSION_IDENT(3,2,5,0))
+  {
+    /* This is needed to fix a problem that was caused by a bugfix in function
+       game.c/CheckTriggeredElementChangeExt() introduced with 3.2.5 that
+       corrects the behaviour when a custom element changes to another custom
+       element with a higher element number that has change actions defined.
+       Normally, only one change per frame is allowed for custom elements.
+       Therefore, it is checked if a custom element already changed in the
+       current frame; if it did, subsequent changes are suppressed.
+       Unfortunately, this is only checked for element changes, but not for
+       change actions, which are still executed. As the function above loops
+       through all custom elements from lower to higher, an element change
+       resulting in a lower CE number won't be checked again, while a target
+       element with a higher number will also be checked, and potential change
+       actions will get executed for this CE, too (which is wrong), while
+       further changes are ignored (which is correct). As this bugfix breaks
+       Zelda II (and introduces graphical bugs to Zelda I, and also breaks a
+       few other levels like Alan Bond's "FMV"), allow the previous, incorrect
+       behaviour for existing levels and tapes that make use of this bug */
+
+    level->use_action_after_change_bug = TRUE;
+  }
+#else
+  /* !!! THIS DOES NOT FIX "Zelda I" (GRAPHICALLY) AND "Alan's FMV" LEVELS */
+  /* try to detect and fix "Zelda II" levels, which are broken with 3.2.5 */
+  {
+    int element = EL_CUSTOM_16;
+    struct ElementInfo *ei = &element_info[element];
+
+    /* This is needed to fix a problem that was caused by a bugfix in function
+       game.c/CheckTriggeredElementChangeExt() introduced with 3.2.5 that
+       corrects the behaviour when a custom element changes to another custom
+       element with a higher element number that has change actions defined.
+       Normally, only one change per frame is allowed for custom elements.
+       Therefore, it is checked if a custom element already changed in the
+       current frame; if it did, subsequent changes are suppressed.
+       Unfortunately, this is only checked for element changes, but not for
+       change actions, which are still executed. As the function above loops
+       through all custom elements from lower to higher, an element change
+       resulting in a lower CE number won't be checked again, while a target
+       element with a higher number will also be checked, and potential change
+       actions will get executed for this CE, too (which is wrong), while
+       further changes are ignored (which is correct). As this bugfix breaks
+       Zelda II (but no other levels), allow the previous, incorrect behaviour
+       for this outstanding level set to not break the game or existing tapes */
 
-       change->trigger_player = CH_PLAYER_ANY;
-       change->trigger_page = CH_PAGE_ANY;
-      }
-    }
+    if (strncmp(leveldir_current->identifier, "zelda2", 6) == 0 ||
+       strncmp(ei->description, "scanline - row 1", 16) == 0)
+      level->use_action_after_change_bug = TRUE;
   }
+#endif
+
+  /* not centering level after relocating player was default only in 3.2.3 */
+  if (level->game_version == VERSION_IDENT(3,2,3,0))   /* (no pre-releases) */
+    level->shifted_relocation = TRUE;
+
+  /* EM style elements always chain-exploded in R'n'D engine before 3.2.6 */
+  if (level->game_version < VERSION_IDENT(3,2,6,0))
+    level->em_explodes_by_fire = TRUE;
 }
 
 static void LoadLevel_InitElements(struct LevelInfo *level, char *filename)
@@ -4849,20 +7227,9 @@ static void LoadLevel_InitElements(struct LevelInfo *level, char *filename)
 
       if (ei->access_direction == MV_NO_DIRECTION)
        ei->access_direction = MV_ALL_DIRECTIONS;
-
-#if 0
-      for (j = 0; j < ei->num_change_pages; j++)
-      {
-       struct ElementChangeInfo *change = &ei->change_page[j];
-
-       if (change->trigger_side == CH_SIDE_NONE)
-         change->trigger_side = CH_SIDE_ANY;
-      }
-#endif
     }
   }
 
-#if 1
   /* correct custom element values (fix invalid values for all versions) */
   if (1)
   {
@@ -4883,7 +7250,6 @@ static void LoadLevel_InitElements(struct LevelInfo *level, char *filename)
       }
     }
   }
-#endif
 
   /* initialize "can_explode" field for old levels which did not store this */
   /* !!! CHECK THIS -- "<= 3,1,0,0" IS PROBABLY WRONG !!! */
@@ -4930,6 +7296,8 @@ static void LoadLevel_InitElements(struct LevelInfo *level, char *filename)
 
   /* initialize element properties for level editor etc. */
   InitElementPropertiesEngine(level->game_version);
+  InitElementPropertiesAfterLoading(level->game_version);
+  InitElementPropertiesGfxElement();
 }
 
 static void LoadLevel_InitPlayfield(struct LevelInfo *level, char *filename)
@@ -4952,22 +7320,18 @@ static void LoadLevel_InitPlayfield(struct LevelInfo *level, char *filename)
   lev_fieldy = level->fieldy;
 
   /* determine border element for this level */
-  SetBorderElement();
+  if (level->file_info.type == LEVEL_FILE_TYPE_DC)
+    BorderElement = EL_EMPTY;  /* (in editor, SetBorderElement() is used) */
+  else
+    SetBorderElement();
 }
 
 static void LoadLevel_InitNativeEngines(struct LevelInfo *level,char *filename)
 {
   struct LevelFileInfo *level_file_info = &level->file_info;
 
-#if 1
-  if (level_file_info->type == LEVEL_FILE_TYPE_RND)
-    CopyNativeLevel_RND_to_Native(level);
-#else
   if (level_file_info->type == LEVEL_FILE_TYPE_RND)
     CopyNativeLevel_RND_to_Native(level);
-  else
-    CopyNativeLevel_Native_to_RND(level);
-#endif
 }
 
 void LoadLevelTemplate(int nr)
@@ -5236,7 +7600,6 @@ static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level,
   {
     int element = EL_CUSTOM_START + i;
 
-#if 1
     struct ElementInfo *ei = &element_info[element];
 
     if (ei->properties[EP_BITFIELD_BASE_NR] != EP_BITMASK_DEFAULT)
@@ -5249,18 +7612,6 @@ static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level,
 
       check++;
     }
-#else
-    if (Properties[element][EP_BITFIELD_BASE_NR] != EP_BITMASK_DEFAULT)
-    {
-      if (check < num_changed_custom_elements)
-      {
-       putFile16BitBE(file, element);
-       putFile32BitBE(file, Properties[element][EP_BITFIELD_BASE_NR]);
-      }
-
-      check++;
-    }
-#endif
   }
 
   if (check != num_changed_custom_elements)    /* should not happen */
@@ -5319,17 +7670,13 @@ static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level,
        for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
          putFile8Bit(file, ei->description[j]);
 
-#if 1
        putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
-#else
-       putFile32BitBE(file, Properties[element][EP_BITFIELD_BASE_NR]);
-#endif
 
        /* some free bytes for future properties and padding */
        WriteUnusedBytesToFile(file, 7);
 
        putFile8Bit(file, ei->use_gfx_element);
-       putFile16BitBE(file, ei->gfx_element);
+       putFile16BitBE(file, ei->gfx_element_initial);
 
        putFile8Bit(file, ei->collect_score_initial);
        putFile8Bit(file, ei->collect_count_initial);
@@ -5355,7 +7702,7 @@ static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level,
        putFile16BitBE(file, ei->change->delay_random);
        putFile16BitBE(file, ei->change->delay_frames);
 
-       putFile16BitBE(file, ei->change->trigger_element);
+       putFile16BitBE(file, ei->change->initial_trigger_element);
 
        putFile8Bit(file, ei->change->explode);
        putFile8Bit(file, ei->change->use_target_content);
@@ -5397,11 +7744,8 @@ static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
     putFile8Bit(file, ei->description[i]);
 
-#if 1
   putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
-#else
-  putFile32BitBE(file, Properties[element][EP_BITFIELD_BASE_NR]);
-#endif
+
   WriteUnusedBytesToFile(file, 4);     /* reserved for more base properties */
 
   putFile8Bit(file, ei->num_change_pages);
@@ -5411,7 +7755,7 @@ static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
   putFile8Bit(file, ei->use_last_ce_value);
 
   putFile8Bit(file, ei->use_gfx_element);
-  putFile16BitBE(file, ei->gfx_element);
+  putFile16BitBE(file, ei->gfx_element_initial);
 
   putFile8Bit(file, ei->collect_score_initial);
   putFile8Bit(file, ei->collect_count_initial);
@@ -5470,7 +7814,7 @@ static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
     putFile16BitBE(file, change->delay_random);
     putFile16BitBE(file, change->delay_frames);
 
-    putFile16BitBE(file, change->trigger_element);
+    putFile16BitBE(file, change->initial_trigger_element);
 
     putFile8Bit(file, change->explode);
     putFile8Bit(file, change->use_target_content);
@@ -5522,7 +7866,7 @@ static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element)
   putFile8Bit(file, group->num_elements);
 
   putFile8Bit(file, ei->use_gfx_element);
-  putFile16BitBE(file, ei->gfx_element);
+  putFile16BitBE(file, ei->gfx_element_initial);
 
   putFile8Bit(file, group->choice_mode);
 
@@ -5653,116 +7997,6 @@ static int SaveLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *entry,
   return num_bytes;
 }
 
-#if 0
-
-static int SaveLevel_MicroChunk_SingleValue(FILE *file,
-                                           struct LevelFileConfigInfo *entry)
-{
-  int default_value = entry->default_value;
-  int element = entry->element;
-  int data_type = entry->data_type;
-  int conf_type = entry->conf_type;
-  int byte_mask = conf_type & CONF_MASK_BYTES;
-  void *value_ptr = entry->value;
-  int value = (data_type == TYPE_BOOLEAN ? *(boolean *)value_ptr :
-              *(int *)value_ptr);
-  int num_bytes = 0;
-  boolean modified = FALSE;
-
-  /* check if any settings have been modified before saving them */
-  if (value != default_value)
-    modified = TRUE;
-
-  if (!modified)               /* do not save unmodified default settings */
-    return 0;
-
-#if 0
-  printf("::: %02x, %d: %d != %d\n",
-        byte_mask, conf_type & CONF_MASK_TOKEN,
-        value, default_value);
-#endif
-
-  if (element != -1)
-    num_bytes += putFile16BitBE(file, element);
-
-  num_bytes += putFile8Bit(file, conf_type);
-  num_bytes += (byte_mask == CONF_MASK_1_BYTE ? putFile8Bit   (file, value) :
-               byte_mask == CONF_MASK_2_BYTE ? putFile16BitBE(file, value) :
-               byte_mask == CONF_MASK_4_BYTE ? putFile32BitBE(file, value) :0);
-
-  return num_bytes;
-}
-
-static int SaveLevel_MicroChunk_ElementList(FILE *file,
-                                           struct LevelFileConfigInfo *entry)
-{
-  int *element_array = (int *)(entry->value);
-  int num_elements = *(int *)(entry->num_entities);
-  int default_value = entry->default_value;
-  int element = entry->element;
-  int conf_type = entry->conf_type;
-  int num_bytes = 0;
-  boolean modified = FALSE;
-  int i;
-
-  /* check if any settings have been modified before saving them */
-  for (i = 0; i < num_elements; i++)
-    if (element_array[i] != default_value)
-      modified = TRUE;
-
-  if (!modified)               /* do not save unmodified default settings */
-    return 0;
-
-  if (element != -1)
-    num_bytes += putFile16BitBE(file, element);
-
-  num_bytes += putFile8Bit(file, conf_type);
-  num_bytes += putFile16BitBE(file, num_elements * CONF_ELEMENT_NUM_BYTES);
-
-  for (i = 0; i < num_elements; i++)
-    num_bytes += putFile16BitBE(file, element_array[i]);
-
-  return num_bytes;
-}
-
-static int SaveLevel_MicroChunk_ContentList(FILE *file,
-                                           struct LevelFileConfigInfo *entry)
-{
-  struct Content *content = (struct Content *)(entry->value);
-  int num_contents = *(int *)(entry->num_entities);
-  int default_value = entry->default_value;
-  int element = entry->element;
-  int conf_type = entry->conf_type;
-  int num_bytes = 0;
-  boolean modified = FALSE;
-  int i, x, y;
-
-  /* check if any settings have been modified before saving them */
-  for (i = 0; i < num_contents; i++)
-    for (y = 0; y < 3; y++)
-      for (x = 0; x < 3; x++)
-       if (content[i].e[x][y] != default_value)
-         modified = TRUE;
-
-  if (!modified)               /* do not save unmodified default settings */
-    return 0;
-
-  if (element != -1)
-    num_bytes += putFile16BitBE(file, element);
-
-  num_bytes += putFile8Bit(file, conf_type);
-  num_bytes += putFile16BitBE(file, num_contents * CONF_CONTENT_NUM_BYTES);
-
-  for (i = 0; i < num_contents; i++)
-    for (y = 0; y < 3; y++)
-      for (x = 0; x < 3; x++)
-       num_bytes += putFile16BitBE(file, content[i].e[x][y]);
-
-  return num_bytes;
-}
-
-#endif
-
 static int SaveLevel_INFO(FILE *file, struct LevelInfo *level)
 {
   int chunk_size = 0;
@@ -5784,23 +8018,7 @@ static int SaveLevel_ELEM(FILE *file, struct LevelInfo *level)
   li = *level;         /* copy level data into temporary buffer */
 
   for (i = 0; chunk_config_ELEM[i].data_type != -1; i++)
-  {
-#if 1
     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_ELEM[i], TRUE);
-#else
-    struct LevelFileConfigInfo *conf = &chunk_config_ELEM[i];
-    int data_type = conf->data_type;
-    int conf_type = conf->conf_type;
-    int byte_mask = conf_type & CONF_MASK_BYTES;
-
-    if (byte_mask != CONF_MASK_MULTI_BYTES)
-      chunk_size += SaveLevel_MicroChunk_SingleValue(file, conf);
-    else if (data_type == TYPE_ELEMENT_LIST)
-      chunk_size += SaveLevel_MicroChunk_ElementList(file, conf);
-    else if (data_type == TYPE_CONTENT_LIST)
-      chunk_size += SaveLevel_MicroChunk_ContentList(file, conf);
-#endif
-  }
 
   return chunk_size;
 }
@@ -5835,20 +8053,15 @@ static int SaveLevel_CUSX(FILE *file, struct LevelInfo *level, int element)
   /* set default description string for this specific element */
   strcpy(xx_default_description, getDefaultElementDescription(ei));
 
-  /* set (fixed) number of content areas (may have been overwritten earlier) */
-  xx_num_contents = 1;
-
 #if 0
-  printf("::: - element config\n");
+  /* set (fixed) number of content areas (may be wrong by broken level file) */
+  /* (this is now directly corrected for broken level files after loading) */
+  xx_num_contents = 1;
 #endif
 
   for (i = 0; chunk_config_CUSX_base[i].data_type != -1; i++)
     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_base[i], FALSE);
 
-#if 0
-  printf("::: - change pages\n");
-#endif
-
   for (i = 0; i < ei->num_change_pages; i++)
   {
     struct ElementChangeInfo *change = &ei->change_page[i];
@@ -5857,25 +8070,12 @@ static int SaveLevel_CUSX(FILE *file, struct LevelInfo *level, int element)
 
     xx_change = *change;       /* copy change data into temporary buffer */
 
-#if 0
-    printf(":::   %d: xx_change.action_mode == %d\n",
-          i, xx_change.action_mode);
-    printf(":::   %d: xx_change.action_arg == %d\n",
-          i, xx_change.action_arg);
-#endif
-
     resetEventBits();
     setEventBitsFromEventFlags(change);
 
     for (j = 0; chunk_config_CUSX_change[j].data_type != -1; j++)
       chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_change[j],
                                         FALSE);
-
-#if 0
-    if (element == EL_CUSTOM_START)
-      printf("::: - saving change page %d / %d (%d bytes)\n",
-            i, ei->num_change_pages, chunk_size);
-#endif
   }
 
   return chunk_size;
@@ -5905,11 +8105,7 @@ static int SaveLevel_GRPX(FILE *file, struct LevelInfo *level, int element)
 static void SaveLevelFromFilename(struct LevelInfo *level, char *filename)
 {
   int chunk_size;
-#if 1
   int i;
-#else
-  int i, x, y;
-#endif
   FILE *file;
 
   if (!(file = fopen(filename, MODE_WRITE)))
@@ -5923,38 +8119,6 @@ static void SaveLevelFromFilename(struct LevelInfo *level, char *filename)
 
   level->creation_date = getCurrentDate();
 
-#if 0
-  /* check level field for 16-bit elements */
-  level->encoding_16bit_field = FALSE;
-  for (y = 0; y < level->fieldy; y++) 
-    for (x = 0; x < level->fieldx; x++) 
-      if (level->field[x][y] > 255)
-       level->encoding_16bit_field = TRUE;
-#endif
-
-#if 0
-  /* check yamyam content for 16-bit elements */
-  level->encoding_16bit_yamyam = FALSE;
-  for (i = 0; i < level->num_yamyam_contents; i++)
-    for (y = 0; y < 3; y++)
-      for (x = 0; x < 3; x++)
-       if (level->yamyam_content[i].e[x][y] > 255)
-         level->encoding_16bit_yamyam = TRUE;
-#endif
-
-#if 0
-  /* check amoeba content for 16-bit elements */
-  level->encoding_16bit_amoeba = FALSE;
-  if (level->amoeba_content > 255)
-    level->encoding_16bit_amoeba = TRUE;
-#endif
-
-#if 0
-  /* calculate size of "BODY" chunk */
-  body_chunk_size =
-    level->fieldx * level->fieldy * (level->encoding_16bit_field ? 2 : 1);
-#endif
-
   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
   putFileChunkBE(file, "CAVE", CHUNK_SIZE_NONE);
 
@@ -5966,11 +8130,6 @@ static void SaveLevelFromFilename(struct LevelInfo *level, char *filename)
   putFileChunkBE(file, "DATE", chunk_size);
   SaveLevel_DATE(file, level);
 
-#if 0
-  putFileChunkBE(file, "HEAD", LEVEL_CHUNK_HEAD_SIZE);
-  SaveLevel_HEAD(file, level);
-#endif
-
   chunk_size = SaveLevel_NAME(NULL, level);
   putFileChunkBE(file, "NAME", chunk_size);
   SaveLevel_NAME(file, level);
@@ -5987,65 +8146,6 @@ static void SaveLevelFromFilename(struct LevelInfo *level, char *filename)
   putFileChunkBE(file, "BODY", chunk_size);
   SaveLevel_BODY(file, level);
 
-#if 0
-  if (level->encoding_16bit_yamyam ||
-      level->num_yamyam_contents != STD_ELEMENT_CONTENTS)
-  {
-    putFileChunkBE(file, "CNT2", LEVEL_CHUNK_CNT2_SIZE);
-    SaveLevel_CNT2(file, level, EL_YAMYAM);
-  }
-
-  if (level->encoding_16bit_amoeba)
-  {
-    putFileChunkBE(file, "CNT2", LEVEL_CHUNK_CNT2_SIZE);
-    SaveLevel_CNT2(file, level, EL_BD_AMOEBA);
-  }
-#endif
-
-#if 0
-  /* check for envelope content */
-  for (i = 0; i < 4; i++)
-  {
-    if (strlen(level->envelope_text[i]) > 0)
-    {
-      int envelope_len = strlen(level->envelope_text[i]) + 1;
-
-      putFileChunkBE(file, "CNT3", LEVEL_CHUNK_CNT3_SIZE(envelope_len));
-      SaveLevel_CNT3(file, level, EL_ENVELOPE_1 + i);
-    }
-  }
-#endif
-
-#if 0
-  /* if not using template level, check for non-default custom/group elements */
-  if (!level->use_custom_template)
-  {
-    for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
-    {
-      int element = EL_CUSTOM_START + i;
-
-      if (element_info[element].modified_settings)
-      {
-       int num_change_pages = element_info[element].num_change_pages;
-
-       putFileChunkBE(file, "CUS4", LEVEL_CHUNK_CUS4_SIZE(num_change_pages));
-       SaveLevel_CUS4(file, level, element);
-      }
-    }
-
-    for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
-    {
-      int element = EL_GROUP_START + i;
-
-      if (element_info[element].modified_settings)
-      {
-       putFileChunkBE(file, "GRP1", LEVEL_CHUNK_GRP1_SIZE);
-       SaveLevel_GRP1(file, level, element);
-      }
-    }
-  }
-#endif
-
   chunk_size = SaveLevel_ELEM(NULL, level);
   if (chunk_size > LEVEL_CHUNK_ELEM_UNCHANGED)         /* save if changed */
   {
@@ -6053,7 +8153,6 @@ static void SaveLevelFromFilename(struct LevelInfo *level, char *filename)
     SaveLevel_ELEM(file, level);
   }
 
-#if 1
   for (i = 0; i < NUM_ENVELOPES; i++)
   {
     int element = EL_ENVELOPE_1 + i;
@@ -6065,9 +8164,7 @@ static void SaveLevelFromFilename(struct LevelInfo *level, char *filename)
       SaveLevel_NOTE(file, level, element);
     }
   }
-#endif
 
-#if 1
   /* if not using template level, check for non-default custom/group elements */
   if (!level->use_custom_template)
   {
@@ -6095,7 +8192,6 @@ static void SaveLevelFromFilename(struct LevelInfo *level, char *filename)
       }
     }
   }
-#endif
 
   fclose(file);
 
@@ -6116,6 +8212,25 @@ void SaveLevelTemplate()
   SaveLevelFromFilename(&level, filename);
 }
 
+boolean SaveLevelChecked(int nr)
+{
+  char *filename = getDefaultLevelFilename(nr);
+  boolean new_level = !fileExists(filename);
+  boolean level_saved = FALSE;
+
+  if (new_level || Request("Save this level and kill the old ?", REQ_ASK))
+  {
+    SaveLevel(nr);
+
+    if (new_level)
+      Request("Level saved !", REQ_CONFIRM);
+
+    level_saved = TRUE;
+  }
+
+  return level_saved;
+}
+
 void DumpLevel(struct LevelInfo *level)
 {
   if (level->no_valid_file)
@@ -6146,11 +8261,6 @@ void DumpLevel(struct LevelInfo *level)
   printf("Amoeba speed: %d\n", level->amoeba_speed);
   printf("\n");
 
-#if 0
-  printf("Initial gravity:             %s\n", (level->initial_gravity ? "yes" : "no"));
-  printf("Initial player stepsize:     %d\n", level->initial_player_stepsize);
-#endif
-
   printf("EM style slippery gems:      %s\n", (level->em_slippery_gems ? "yes" : "no"));
   printf("Player blocks last field:    %s\n", (level->block_last_field ? "yes" : "no"));
   printf("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
@@ -6342,6 +8452,79 @@ static int LoadTape_BODY(FILE *file, int chunk_size, struct TapeInfo *tape)
   return chunk_size;
 }
 
+void LoadTape_SokobanSolution(char *filename)
+{
+  FILE *file;
+  int move_delay = TILESIZE / level.initial_player_stepsize[0];
+
+  if (!(file = fopen(filename, MODE_READ)))
+  {
+    tape.no_valid_file = TRUE;
+
+    return;
+  }
+
+  while (!feof(file))
+  {
+    unsigned char c = fgetc(file);
+
+    if (feof(file))
+      break;
+
+    switch (c)
+    {
+      case 'u':
+      case 'U':
+       tape.pos[tape.length].action[0] = MV_UP;
+       tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+       tape.length++;
+       break;
+
+      case 'd':
+      case 'D':
+       tape.pos[tape.length].action[0] = MV_DOWN;
+       tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+       tape.length++;
+       break;
+
+      case 'l':
+      case 'L':
+       tape.pos[tape.length].action[0] = MV_LEFT;
+       tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+       tape.length++;
+       break;
+
+      case 'r':
+      case 'R':
+       tape.pos[tape.length].action[0] = MV_RIGHT;
+       tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+       tape.length++;
+       break;
+
+      case '\n':
+      case '\r':
+      case '\t':
+      case ' ':
+       /* ignore white-space characters */
+       break;
+
+      default:
+       tape.no_valid_file = TRUE;
+
+       Error(ERR_WARN, "unsupported Sokoban solution file '%s' ['%d']", filename, c);
+
+       break;
+    }
+  }
+
+  fclose(file);
+
+  if (tape.no_valid_file)
+    return;
+
+  tape.length_seconds = GetTapeLength();
+}
+
 void LoadTapeFromFilename(char *filename)
 {
   char cookie[MAX_LINE_LEN];
@@ -6352,6 +8535,13 @@ void LoadTapeFromFilename(char *filename)
   /* always start with reliable default values */
   setTapeInfoToDefaults();
 
+  if (strSuffix(filename, ".sln"))
+  {
+    LoadTape_SokobanSolution(filename);
+
+    return;
+  }
+
   if (!(file = fopen(filename, MODE_READ)))
   {
     tape.no_valid_file = TRUE;
@@ -6396,6 +8586,7 @@ void LoadTapeFromFilename(char *filename)
 
       Error(ERR_WARN, "unsupported version of tape file '%s'", filename);
       fclose(file);
+
       return;
     }
 
@@ -6470,6 +8661,7 @@ void LoadTapeFromFilename(char *filename)
   tape.length_seconds = GetTapeLength();
 
 #if 0
+  printf("::: tape file version: %d\n", tape.file_version);
   printf("::: tape game version: %d\n", tape.game_version);
   printf("::: tape engine version: %d\n", tape.engine_version);
 #endif
@@ -6487,6 +8679,13 @@ void LoadSolutionTape(int nr)
   char *filename = getSolutionTapeFilename(nr);
 
   LoadTapeFromFilename(filename);
+
+#if 1
+  if (TAPE_IS_EMPTY(tape) &&
+      level.game_engine_type == GAME_ENGINE_TYPE_SP &&
+      level.native_sp_level->demo.is_available)
+    CopyNativeTape_SP_to_RND(&level);
+#endif
 }
 
 static void SaveTape_VERS(FILE *file, struct TapeInfo *tape)
@@ -6548,7 +8747,9 @@ void SaveTape(int nr)
 {
   char *filename = getTapeFilename(nr);
   FILE *file;
+#if 0
   boolean new_tape = TRUE;
+#endif
   int num_participating_players = 0;
   int info_chunk_size;
   int body_chunk_size;
@@ -6556,6 +8757,7 @@ void SaveTape(int nr)
 
   InitTapeDirectory(leveldir_current->subdir);
 
+#if 0
   /* if a tape still exists, ask to overwrite it */
   if (fileExists(filename))
   {
@@ -6563,6 +8765,7 @@ void SaveTape(int nr)
     if (!Request("Replace old tape ?", REQ_ASK))
       return;
   }
+#endif
 
   if (!(file = fopen(filename, MODE_WRITE)))
   {
@@ -6602,8 +8805,29 @@ void SaveTape(int nr)
 
   tape.changed = FALSE;
 
+#if 0
   if (new_tape)
     Request("Tape saved !", REQ_CONFIRM);
+#endif
+}
+
+boolean SaveTapeChecked(int nr)
+{
+  char *filename = getTapeFilename(nr);
+  boolean new_tape = !fileExists(filename);
+  boolean tape_saved = FALSE;
+
+  if (new_tape || Request("Replace old tape ?", REQ_ASK))
+  {
+    SaveTape(nr);
+
+    if (new_tape)
+      Request("Tape saved !", REQ_CONFIRM);
+
+    tape_saved = TRUE;
+  }
+
+  return tape_saved;
 }
 
 void DumpTape(struct TapeInfo *tape)
@@ -6758,29 +8982,33 @@ void SaveScore(int nr)
 #define SETUP_TOKEN_SOUND_SIMPLE               4
 #define SETUP_TOKEN_TOONS                      5
 #define SETUP_TOKEN_SCROLL_DELAY               6
-#define SETUP_TOKEN_SOFT_SCROLLING             7
-#define SETUP_TOKEN_FADING                     8
-#define SETUP_TOKEN_AUTORECORD                 9
-#define SETUP_TOKEN_SHOW_TITLESCREEN           10
-#define SETUP_TOKEN_QUICK_DOORS                        11
-#define SETUP_TOKEN_TEAM_MODE                  12
-#define SETUP_TOKEN_HANDICAP                   13
-#define SETUP_TOKEN_SKIP_LEVELS                        14
-#define SETUP_TOKEN_TIME_LIMIT                 15
-#define SETUP_TOKEN_FULLSCREEN                 16
-#define SETUP_TOKEN_ASK_ON_ESCAPE              17
-#define SETUP_TOKEN_ASK_ON_ESCAPE_EDITOR       18
-#define SETUP_TOKEN_QUICK_SWITCH               19
-#define SETUP_TOKEN_INPUT_ON_FOCUS             20
-#define SETUP_TOKEN_PREFER_AGA_GRAPHICS                21
-#define SETUP_TOKEN_GRAPHICS_SET               22
-#define SETUP_TOKEN_SOUNDS_SET                 23
-#define SETUP_TOKEN_MUSIC_SET                  24
-#define SETUP_TOKEN_OVERRIDE_LEVEL_GRAPHICS    25
-#define SETUP_TOKEN_OVERRIDE_LEVEL_SOUNDS      26
-#define SETUP_TOKEN_OVERRIDE_LEVEL_MUSIC       27
-
-#define NUM_GLOBAL_SETUP_TOKENS                        28
+#define SETUP_TOKEN_SCROLL_DELAY_VALUE         7
+#define SETUP_TOKEN_SOFT_SCROLLING             8
+#define SETUP_TOKEN_FADE_SCREENS               9
+#define SETUP_TOKEN_AUTORECORD                 10
+#define SETUP_TOKEN_SHOW_TITLESCREEN           11
+#define SETUP_TOKEN_QUICK_DOORS                        12
+#define SETUP_TOKEN_TEAM_MODE                  13
+#define SETUP_TOKEN_HANDICAP                   14
+#define SETUP_TOKEN_SKIP_LEVELS                        15
+#define SETUP_TOKEN_TIME_LIMIT                 16
+#define SETUP_TOKEN_FULLSCREEN                 17
+#define SETUP_TOKEN_FULLSCREEN_MODE            18
+#define SETUP_TOKEN_ASK_ON_ESCAPE              19
+#define SETUP_TOKEN_ASK_ON_ESCAPE_EDITOR       20
+#define SETUP_TOKEN_QUICK_SWITCH               21
+#define SETUP_TOKEN_INPUT_ON_FOCUS             22
+#define SETUP_TOKEN_PREFER_AGA_GRAPHICS                23
+#define SETUP_TOKEN_GAME_FRAME_DELAY           24
+#define SETUP_TOKEN_SP_SHOW_BORDER_ELEMENTS    25
+#define SETUP_TOKEN_GRAPHICS_SET               26
+#define SETUP_TOKEN_SOUNDS_SET                 27
+#define SETUP_TOKEN_MUSIC_SET                  28
+#define SETUP_TOKEN_OVERRIDE_LEVEL_GRAPHICS    29
+#define SETUP_TOKEN_OVERRIDE_LEVEL_SOUNDS      30
+#define SETUP_TOKEN_OVERRIDE_LEVEL_MUSIC       31
+
+#define NUM_GLOBAL_SETUP_TOKENS                        32
 
 /* editor setup */
 #define SETUP_TOKEN_EDITOR_EL_BOULDERDASH      0
@@ -6792,13 +9020,16 @@ void SaveScore(int nr)
 #define SETUP_TOKEN_EDITOR_EL_DIAMOND_CAVES    6
 #define SETUP_TOKEN_EDITOR_EL_DX_BOULDERDASH   7
 #define SETUP_TOKEN_EDITOR_EL_CHARS            8
-#define SETUP_TOKEN_EDITOR_EL_CUSTOM           9
-#define SETUP_TOKEN_EDITOR_EL_HEADLINES                10
-#define SETUP_TOKEN_EDITOR_EL_USER_DEFINED     11
-#define SETUP_TOKEN_EDITOR_EL_DYNAMIC          12
-#define SETUP_TOKEN_EDITOR_SHOW_ELEMENT_TOKEN  13
+#define SETUP_TOKEN_EDITOR_EL_STEEL_CHARS      9
+#define SETUP_TOKEN_EDITOR_EL_CUSTOM           10
+#define SETUP_TOKEN_EDITOR_EL_HEADLINES                11
+#define SETUP_TOKEN_EDITOR_EL_USER_DEFINED     12
+#define SETUP_TOKEN_EDITOR_EL_DYNAMIC          13
+#define SETUP_TOKEN_EDITOR_EL_BY_GAME          14
+#define SETUP_TOKEN_EDITOR_EL_BY_TYPE          15
+#define SETUP_TOKEN_EDITOR_SHOW_ELEMENT_TOKEN  16
 
-#define NUM_EDITOR_SETUP_TOKENS                        14
+#define NUM_EDITOR_SETUP_TOKENS                        17
 
 /* editor cascade setup */
 #define SETUP_TOKEN_EDITOR_CASCADE_BD          0
@@ -6810,13 +9041,14 @@ void SaveScore(int nr)
 #define SETUP_TOKEN_EDITOR_CASCADE_DC          6
 #define SETUP_TOKEN_EDITOR_CASCADE_DX          7
 #define SETUP_TOKEN_EDITOR_CASCADE_TEXT                8
-#define SETUP_TOKEN_EDITOR_CASCADE_CE          9
-#define SETUP_TOKEN_EDITOR_CASCADE_GE          10
-#define SETUP_TOKEN_EDITOR_CASCADE_USER                11
-#define SETUP_TOKEN_EDITOR_CASCADE_GENERIC     12
-#define SETUP_TOKEN_EDITOR_CASCADE_DYNAMIC     13
+#define SETUP_TOKEN_EDITOR_CASCADE_STEELTEXT   9
+#define SETUP_TOKEN_EDITOR_CASCADE_CE          10
+#define SETUP_TOKEN_EDITOR_CASCADE_GE          11
+#define SETUP_TOKEN_EDITOR_CASCADE_REF         12
+#define SETUP_TOKEN_EDITOR_CASCADE_USER                13
+#define SETUP_TOKEN_EDITOR_CASCADE_DYNAMIC     14
 
-#define NUM_EDITOR_CASCADE_SETUP_TOKENS                14
+#define NUM_EDITOR_CASCADE_SETUP_TOKENS                15
 
 /* shortcut setup */
 #define SETUP_TOKEN_SHORTCUT_SAVE_GAME         0
@@ -6827,8 +9059,16 @@ void SaveScore(int nr)
 #define SETUP_TOKEN_SHORTCUT_FOCUS_PLAYER_3    5
 #define SETUP_TOKEN_SHORTCUT_FOCUS_PLAYER_4    6
 #define SETUP_TOKEN_SHORTCUT_FOCUS_PLAYER_ALL  7
+#define SETUP_TOKEN_SHORTCUT_TAPE_EJECT                8
+#define SETUP_TOKEN_SHORTCUT_TAPE_STOP         9
+#define SETUP_TOKEN_SHORTCUT_TAPE_PAUSE                10
+#define SETUP_TOKEN_SHORTCUT_TAPE_RECORD       11
+#define SETUP_TOKEN_SHORTCUT_TAPE_PLAY         12
+#define SETUP_TOKEN_SHORTCUT_SOUND_SIMPLE      13
+#define SETUP_TOKEN_SHORTCUT_SOUND_LOOPS       14
+#define SETUP_TOKEN_SHORTCUT_SOUND_MUSIC       15
 
-#define NUM_SHORTCUT_SETUP_TOKENS              8
+#define NUM_SHORTCUT_SETUP_TOKENS              16
 
 /* player setup */
 #define SETUP_TOKEN_PLAYER_USE_JOYSTICK                0
@@ -6851,10 +9091,11 @@ void SaveScore(int nr)
 #define NUM_PLAYER_SETUP_TOKENS                        16
 
 /* system setup */
-#define SETUP_TOKEN_SYSTEM_SDL_AUDIODRIVER     0
-#define SETUP_TOKEN_SYSTEM_AUDIO_FRAGMENT_SIZE 1
+#define SETUP_TOKEN_SYSTEM_SDL_VIDEODRIVER     0
+#define SETUP_TOKEN_SYSTEM_SDL_AUDIODRIVER     1
+#define SETUP_TOKEN_SYSTEM_AUDIO_FRAGMENT_SIZE 2
 
-#define NUM_SYSTEM_SETUP_TOKENS                        2
+#define NUM_SYSTEM_SETUP_TOKENS                        3
 
 /* options setup */
 #define SETUP_TOKEN_OPTIONS_VERBOSE            0
@@ -6872,38 +9113,53 @@ static struct OptionInfo soi;
 
 static struct TokenInfo global_setup_tokens[] =
 {
-  { TYPE_STRING, &si.player_name,      "player_name"                   },
-  { TYPE_SWITCH, &si.sound,            "sound"                         },
-  { TYPE_SWITCH, &si.sound_loops,      "repeating_sound_loops"         },
-  { TYPE_SWITCH, &si.sound_music,      "background_music"              },
-  { TYPE_SWITCH, &si.sound_simple,     "simple_sound_effects"          },
-  { TYPE_SWITCH, &si.toons,            "toons"                         },
-  { TYPE_SWITCH, &si.scroll_delay,     "scroll_delay"                  },
-  { TYPE_SWITCH, &si.soft_scrolling,   "soft_scrolling"                },
-  { TYPE_SWITCH, &si.fading,           "screen_fading"                 },
-  { TYPE_SWITCH, &si.autorecord,       "automatic_tape_recording"      },
-  { TYPE_SWITCH, &si.show_titlescreen, "show_titlescreen"              },
-  { TYPE_SWITCH, &si.quick_doors,      "quick_doors"                   },
-  { TYPE_SWITCH, &si.team_mode,                "team_mode"                     },
-  { TYPE_SWITCH, &si.handicap,         "handicap"                      },
-  { TYPE_SWITCH, &si.skip_levels,      "skip_levels"                   },
-  { TYPE_SWITCH, &si.time_limit,       "time_limit"                    },
-  { TYPE_SWITCH, &si.fullscreen,       "fullscreen"                    },
-  { TYPE_SWITCH, &si.ask_on_escape,    "ask_on_escape"                 },
-  { TYPE_SWITCH, &si.ask_on_escape_editor, "ask_on_escape_editor"      },
-  { TYPE_SWITCH, &si.quick_switch,     "quick_player_switch"           },
-  { TYPE_SWITCH, &si.input_on_focus,   "input_on_focus"                },
-  { TYPE_SWITCH, &si.prefer_aga_graphics, "prefer_aga_graphics"                },
-  { TYPE_STRING, &si.graphics_set,     "graphics_set"                  },
-  { TYPE_STRING, &si.sounds_set,       "sounds_set"                    },
-  { TYPE_STRING, &si.music_set,                "music_set"                     },
-  { TYPE_SWITCH, &si.override_level_graphics, "override_level_graphics"        },
-  { TYPE_SWITCH, &si.override_level_sounds,   "override_level_sounds"  },
-  { TYPE_SWITCH, &si.override_level_music,    "override_level_music"   },
+  { TYPE_STRING, &si.player_name,             "player_name"            },
+  { TYPE_SWITCH, &si.sound,                   "sound"                  },
+  { TYPE_SWITCH, &si.sound_loops,             "repeating_sound_loops"  },
+  { TYPE_SWITCH, &si.sound_music,             "background_music"       },
+  { TYPE_SWITCH, &si.sound_simple,            "simple_sound_effects"   },
+  { TYPE_SWITCH, &si.toons,                   "toons"                  },
+  { TYPE_SWITCH, &si.scroll_delay,            "scroll_delay"           },
+  { TYPE_INTEGER,&si.scroll_delay_value,      "scroll_delay_value"     },
+  { TYPE_SWITCH, &si.soft_scrolling,          "soft_scrolling"         },
+  { TYPE_SWITCH, &si.fade_screens,            "fade_screens"           },
+  { TYPE_SWITCH, &si.autorecord,              "automatic_tape_recording"},
+  { TYPE_SWITCH, &si.show_titlescreen,        "show_titlescreen"       },
+  { TYPE_SWITCH, &si.quick_doors,             "quick_doors"            },
+  { TYPE_SWITCH, &si.team_mode,               "team_mode"              },
+  { TYPE_SWITCH, &si.handicap,                "handicap"               },
+  { TYPE_SWITCH, &si.skip_levels,             "skip_levels"            },
+  { TYPE_SWITCH, &si.time_limit,              "time_limit"             },
+  { TYPE_SWITCH, &si.fullscreen,              "fullscreen"             },
+  { TYPE_STRING, &si.fullscreen_mode,         "fullscreen_mode"                },
+  { TYPE_SWITCH, &si.ask_on_escape,           "ask_on_escape"          },
+  { TYPE_SWITCH, &si.ask_on_escape_editor,    "ask_on_escape_editor"   },
+  { TYPE_SWITCH, &si.quick_switch,            "quick_player_switch"    },
+  { TYPE_SWITCH, &si.input_on_focus,          "input_on_focus"         },
+  { TYPE_SWITCH, &si.prefer_aga_graphics,     "prefer_aga_graphics"    },
+  { TYPE_INTEGER,&si.game_frame_delay,        "game_frame_delay"       },
+  { TYPE_SWITCH, &si.sp_show_border_elements, "sp_show_border_elements"        },
+  { TYPE_STRING, &si.graphics_set,            "graphics_set"           },
+  { TYPE_STRING, &si.sounds_set,              "sounds_set"             },
+  { TYPE_STRING, &si.music_set,               "music_set"              },
+  { TYPE_SWITCH3,&si.override_level_graphics, "override_level_graphics"        },
+  { TYPE_SWITCH3,&si.override_level_sounds,   "override_level_sounds"  },
+  { TYPE_SWITCH3,&si.override_level_music,    "override_level_music"   },
 };
 
+static boolean not_used = FALSE;
 static struct TokenInfo editor_setup_tokens[] =
 {
+#if 1
+  { TYPE_SWITCH, &not_used,            "editor.el_boulderdash"         },
+  { TYPE_SWITCH, &not_used,            "editor.el_emerald_mine"        },
+  { TYPE_SWITCH, &not_used,            "editor.el_emerald_mine_club"   },
+  { TYPE_SWITCH, &not_used,            "editor.el_more"                },
+  { TYPE_SWITCH, &not_used,            "editor.el_sokoban"             },
+  { TYPE_SWITCH, &not_used,            "editor.el_supaplex"            },
+  { TYPE_SWITCH, &not_used,            "editor.el_diamond_caves"       },
+  { TYPE_SWITCH, &not_used,            "editor.el_dx_boulderdash"      },
+#else
   { TYPE_SWITCH, &sei.el_boulderdash,  "editor.el_boulderdash"         },
   { TYPE_SWITCH, &sei.el_emerald_mine, "editor.el_emerald_mine"        },
   { TYPE_SWITCH, &sei.el_emerald_mine_club,"editor.el_emerald_mine_club"},
@@ -6912,11 +9168,19 @@ static struct TokenInfo editor_setup_tokens[] =
   { TYPE_SWITCH, &sei.el_supaplex,     "editor.el_supaplex"            },
   { TYPE_SWITCH, &sei.el_diamond_caves,        "editor.el_diamond_caves"       },
   { TYPE_SWITCH, &sei.el_dx_boulderdash,"editor.el_dx_boulderdash"     },
+#endif
   { TYPE_SWITCH, &sei.el_chars,                "editor.el_chars"               },
+  { TYPE_SWITCH, &sei.el_steel_chars,  "editor.el_steel_chars"         },
   { TYPE_SWITCH, &sei.el_custom,       "editor.el_custom"              },
+#if 1
+  { TYPE_SWITCH, &not_used,            "editor.el_headlines"           },
+#else
   { TYPE_SWITCH, &sei.el_headlines,    "editor.el_headlines"           },
+#endif
   { TYPE_SWITCH, &sei.el_user_defined, "editor.el_user_defined"        },
   { TYPE_SWITCH, &sei.el_dynamic,      "editor.el_dynamic"             },
+  { TYPE_SWITCH, &sei.el_by_game,      "editor.el_by_game"             },
+  { TYPE_SWITCH, &sei.el_by_type,      "editor.el_by_type"             },
   { TYPE_SWITCH, &sei.show_element_token,"editor.show_element_token"   },
 };
 
@@ -6931,8 +9195,10 @@ static struct TokenInfo editor_cascade_setup_tokens[] =
   { TYPE_SWITCH, &seci.el_dc,          "editor.cascade.el_dc"          },
   { TYPE_SWITCH, &seci.el_dx,          "editor.cascade.el_dx"          },
   { TYPE_SWITCH, &seci.el_chars,       "editor.cascade.el_chars"       },
+  { TYPE_SWITCH, &seci.el_steel_chars, "editor.cascade.el_steel_chars" },
   { TYPE_SWITCH, &seci.el_ce,          "editor.cascade.el_ce"          },
   { TYPE_SWITCH, &seci.el_ge,          "editor.cascade.el_ge"          },
+  { TYPE_SWITCH, &seci.el_ref,         "editor.cascade.el_ref"         },
   { TYPE_SWITCH, &seci.el_user,                "editor.cascade.el_user"        },
   { TYPE_SWITCH, &seci.el_dynamic,     "editor.cascade.el_dynamic"     },
 };
@@ -6947,6 +9213,14 @@ static struct TokenInfo shortcut_setup_tokens[] =
   { TYPE_KEY_X11, &ssi.focus_player[2],        "shortcut.focus_player_3"       },
   { TYPE_KEY_X11, &ssi.focus_player[3],        "shortcut.focus_player_4"       },
   { TYPE_KEY_X11, &ssi.focus_player_all,"shortcut.focus_player_all"    },
+  { TYPE_KEY_X11, &ssi.tape_eject,     "shortcut.tape_eject"           },
+  { TYPE_KEY_X11, &ssi.tape_stop,      "shortcut.tape_stop"            },
+  { TYPE_KEY_X11, &ssi.tape_pause,     "shortcut.tape_pause"           },
+  { TYPE_KEY_X11, &ssi.tape_record,    "shortcut.tape_record"          },
+  { TYPE_KEY_X11, &ssi.tape_play,      "shortcut.tape_play"            },
+  { TYPE_KEY_X11, &ssi.sound_simple,   "shortcut.sound_simple"         },
+  { TYPE_KEY_X11, &ssi.sound_loops,    "shortcut.sound_loops"          },
+  { TYPE_KEY_X11, &ssi.sound_music,    "shortcut.sound_music"          },
 };
 
 static struct TokenInfo player_setup_tokens[] =
@@ -6971,6 +9245,7 @@ static struct TokenInfo player_setup_tokens[] =
 
 static struct TokenInfo system_setup_tokens[] =
 {
+  { TYPE_STRING,  &syi.sdl_videodriver,        "system.sdl_videodriver"        },
   { TYPE_STRING,  &syi.sdl_audiodriver,        "system.sdl_audiodriver"        },
   { TYPE_INTEGER, &syi.audio_fragment_size,"system.audio_fragment_size"        },
 };
@@ -7006,11 +9281,10 @@ static void setSetupInfoToDefaults(struct SetupInfo *si)
   si->sound_music = TRUE;
   si->sound_simple = TRUE;
   si->toons = TRUE;
-  si->double_buffering = TRUE;
-  si->direct_draw = !si->double_buffering;
   si->scroll_delay = TRUE;
+  si->scroll_delay_value = STD_SCROLL_DELAY;
   si->soft_scrolling = TRUE;
-  si->fading = FALSE;
+  si->fade_screens = TRUE;
   si->autorecord = TRUE;
   si->show_titlescreen = TRUE;
   si->quick_doors = FALSE;
@@ -7019,29 +9293,33 @@ static void setSetupInfoToDefaults(struct SetupInfo *si)
   si->skip_levels = TRUE;
   si->time_limit = TRUE;
   si->fullscreen = FALSE;
+  si->fullscreen_mode = getStringCopy(DEFAULT_FULLSCREEN_MODE);
   si->ask_on_escape = TRUE;
   si->ask_on_escape_editor = TRUE;
   si->quick_switch = FALSE;
   si->input_on_focus = FALSE;
   si->prefer_aga_graphics = TRUE;
+  si->game_frame_delay = GAME_FRAME_DELAY;
+  si->sp_show_border_elements = FALSE;
 
-  si->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
-  si->sounds_set = getStringCopy(SND_CLASSIC_SUBDIR);
-  si->music_set = getStringCopy(MUS_CLASSIC_SUBDIR);
+  si->graphics_set = getStringCopy(GFX_DEFAULT_SUBDIR);
+  si->sounds_set = getStringCopy(SND_DEFAULT_SUBDIR);
+  si->music_set = getStringCopy(MUS_DEFAULT_SUBDIR);
   si->override_level_graphics = FALSE;
   si->override_level_sounds = FALSE;
   si->override_level_music = FALSE;
 
-  si->editor.el_boulderdash       = TRUE;
-  si->editor.el_emerald_mine      = TRUE;
-  si->editor.el_emerald_mine_club = TRUE;
-  si->editor.el_more              = TRUE;
-  si->editor.el_sokoban           = TRUE;
-  si->editor.el_supaplex          = TRUE;
-  si->editor.el_diamond_caves     = TRUE;
-  si->editor.el_dx_boulderdash    = TRUE;
-  si->editor.el_chars             = TRUE;
-  si->editor.el_custom            = TRUE;
+  si->editor.el_boulderdash            = TRUE;
+  si->editor.el_emerald_mine           = TRUE;
+  si->editor.el_emerald_mine_club      = TRUE;
+  si->editor.el_more                   = TRUE;
+  si->editor.el_sokoban                        = TRUE;
+  si->editor.el_supaplex               = TRUE;
+  si->editor.el_diamond_caves          = TRUE;
+  si->editor.el_dx_boulderdash         = TRUE;
+  si->editor.el_chars                  = TRUE;
+  si->editor.el_steel_chars            = TRUE;
+  si->editor.el_custom                 = TRUE;
 
   si->editor.el_headlines = TRUE;
   si->editor.el_user_defined = FALSE;
@@ -7049,15 +9327,25 @@ static void setSetupInfoToDefaults(struct SetupInfo *si)
 
   si->editor.show_element_token = FALSE;
 
-  si->shortcut.save_game = DEFAULT_KEY_SAVE_GAME;
-  si->shortcut.load_game = DEFAULT_KEY_LOAD_GAME;
-  si->shortcut.toggle_pause = DEFAULT_KEY_TOGGLE_PAUSE;
+  si->shortcut.save_game       = DEFAULT_KEY_SAVE_GAME;
+  si->shortcut.load_game       = DEFAULT_KEY_LOAD_GAME;
+  si->shortcut.toggle_pause    = DEFAULT_KEY_TOGGLE_PAUSE;
 
-  si->shortcut.focus_player[0] = DEFAULT_KEY_FOCUS_PLAYER_1;
-  si->shortcut.focus_player[1] = DEFAULT_KEY_FOCUS_PLAYER_2;
-  si->shortcut.focus_player[2] = DEFAULT_KEY_FOCUS_PLAYER_3;
-  si->shortcut.focus_player[3] = DEFAULT_KEY_FOCUS_PLAYER_4;
-  si->shortcut.focus_player_all = DEFAULT_KEY_FOCUS_PLAYER_ALL;
+  si->shortcut.focus_player[0] = DEFAULT_KEY_FOCUS_PLAYER_1;
+  si->shortcut.focus_player[1] = DEFAULT_KEY_FOCUS_PLAYER_2;
+  si->shortcut.focus_player[2] = DEFAULT_KEY_FOCUS_PLAYER_3;
+  si->shortcut.focus_player[3] = DEFAULT_KEY_FOCUS_PLAYER_4;
+  si->shortcut.focus_player_all        = DEFAULT_KEY_FOCUS_PLAYER_ALL;
+
+  si->shortcut.tape_eject      = DEFAULT_KEY_TAPE_EJECT;
+  si->shortcut.tape_stop       = DEFAULT_KEY_TAPE_STOP;
+  si->shortcut.tape_pause      = DEFAULT_KEY_TAPE_PAUSE;
+  si->shortcut.tape_record     = DEFAULT_KEY_TAPE_RECORD;
+  si->shortcut.tape_play       = DEFAULT_KEY_TAPE_PLAY;
+
+  si->shortcut.sound_simple    = DEFAULT_KEY_SOUND_SIMPLE;
+  si->shortcut.sound_loops     = DEFAULT_KEY_SOUND_LOOPS;
+  si->shortcut.sound_music     = DEFAULT_KEY_SOUND_MUSIC;
 
   for (i = 0; i < MAX_PLAYERS; i++)
   {
@@ -7079,28 +9367,40 @@ static void setSetupInfoToDefaults(struct SetupInfo *si)
     si->input[i].key.drop  = (i == 0 ? DEFAULT_KEY_DROP  : KSYM_UNDEFINED);
   }
 
+  si->system.sdl_videodriver = getStringCopy(ARG_DEFAULT);
   si->system.sdl_audiodriver = getStringCopy(ARG_DEFAULT);
   si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE;
 
   si->options.verbose = FALSE;
+
+#if defined(CREATE_SPECIAL_EDITION_RND_JUE)
+  si->toons = FALSE;
+  si->handicap = FALSE;
+  si->fullscreen = TRUE;
+  si->override_level_graphics = AUTO;
+  si->override_level_sounds = AUTO;
+  si->override_level_music = AUTO;
+#endif
 }
 
 static void setSetupInfoToDefaults_EditorCascade(struct SetupInfo *si)
 {
-  si->editor_cascade.el_bd     = TRUE;
-  si->editor_cascade.el_em     = TRUE;
-  si->editor_cascade.el_emc    = TRUE;
-  si->editor_cascade.el_rnd    = TRUE;
-  si->editor_cascade.el_sb     = TRUE;
-  si->editor_cascade.el_sp     = TRUE;
-  si->editor_cascade.el_dc     = TRUE;
-  si->editor_cascade.el_dx     = TRUE;
+  si->editor_cascade.el_bd             = TRUE;
+  si->editor_cascade.el_em             = TRUE;
+  si->editor_cascade.el_emc            = TRUE;
+  si->editor_cascade.el_rnd            = TRUE;
+  si->editor_cascade.el_sb             = TRUE;
+  si->editor_cascade.el_sp             = TRUE;
+  si->editor_cascade.el_dc             = TRUE;
+  si->editor_cascade.el_dx             = TRUE;
 
-  si->editor_cascade.el_chars  = FALSE;
-  si->editor_cascade.el_ce     = FALSE;
-  si->editor_cascade.el_ge     = FALSE;
-  si->editor_cascade.el_user   = FALSE;
-  si->editor_cascade.el_dynamic        = FALSE;
+  si->editor_cascade.el_chars          = FALSE;
+  si->editor_cascade.el_steel_chars    = FALSE;
+  si->editor_cascade.el_ce             = FALSE;
+  si->editor_cascade.el_ge             = FALSE;
+  si->editor_cascade.el_ref            = FALSE;
+  si->editor_cascade.el_user           = FALSE;
+  si->editor_cascade.el_dynamic                = FALSE;
 }
 
 static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
@@ -7198,14 +9498,23 @@ void LoadSetup()
     checkSetupFileHashIdentifier(setup_file_hash, filename,getCookie("SETUP"));
     decodeSetupFileHash(setup_file_hash);
 
-    setup.direct_draw = !setup.double_buffering;
-
     freeSetupFileHash(setup_file_hash);
 
     /* needed to work around problems with fixed length strings */
     player_name_new = get_corrected_login_name(setup.player_name);
     free(setup.player_name);
     setup.player_name = player_name_new;
+
+    /* "scroll_delay: on(3) / off(0)" was replaced by scroll delay value */
+    if (setup.scroll_delay == FALSE)
+    {
+      setup.scroll_delay_value = MIN_SCROLL_DELAY;
+      setup.scroll_delay = TRUE;                       /* now always "on" */
+    }
+
+    /* make sure that scroll delay value stays inside valid range */
+    setup.scroll_delay_value =
+      MIN(MAX(MIN_SCROLL_DELAY, setup.scroll_delay_value), MAX_SCROLL_DELAY);
   }
   else
     Error(ERR_WARN, "using default setup values");
@@ -7325,7 +9634,7 @@ void SaveSetup_EditorCascade()
 
   seci = setup.editor_cascade;
   fprintf(file, "\n");
-  for (i = 0; i < NUM_EDITOR_SETUP_TOKENS; i++)
+  for (i = 0; i < NUM_EDITOR_CASCADE_SETUP_TOKENS; i++)
     fprintf(file, "%s\n", getSetupLine(editor_cascade_setup_tokens, "", i));
 
   fclose(file);
@@ -7367,31 +9676,360 @@ void LoadCustomElementDescriptions()
   freeSetupFileHash(setup_file_hash);
 }
 
-static void LoadSpecialMenuDesignSettingsFromFilename(char *filename)
+static int getElementFromToken(char *token)
+{
+#if 1
+  char *value = getHashEntry(element_token_hash, token);
+
+  if (value != NULL)
+    return atoi(value);
+#else
+  int i;
+
+  /* !!! OPTIMIZE THIS BY USING HASH !!! */
+  for (i = 0; i < MAX_NUM_ELEMENTS; i++)
+    if (strEqual(token, element_info[i].token_name))
+      return i;
+#endif
+
+  Error(ERR_WARN, "unknown element token '%s'", token);
+
+  return EL_UNDEFINED;
+}
+
+static int get_token_parameter_value(char *token, char *value_raw)
+{
+  char *suffix;
+
+  if (token == NULL || value_raw == NULL)
+    return ARG_UNDEFINED_VALUE;
+
+  suffix = strrchr(token, '.');
+  if (suffix == NULL)
+    suffix = token;
+
+#if 1
+  if (strEqual(suffix, ".element"))
+    return getElementFromToken(value_raw);
+#endif
+
+#if 0
+  if (strncmp(suffix, ".font", 5) == 0)
+  {
+    int i;
+
+    /* !!! OPTIMIZE THIS BY USING HASH !!! */
+    for (i = 0; i < NUM_FONTS; i++)
+      if (strEqual(value_raw, font_info[i].token_name))
+       return i;
+
+    /* if font not found, use reliable default value */
+    return FONT_INITIAL_1;
+  }
+#endif
+
+  /* !!! USE CORRECT VALUE TYPE (currently works also for TYPE_BOOLEAN) !!! */
+  return get_parameter_value(value_raw, suffix, TYPE_INTEGER);
+}
+
+void InitMenuDesignSettings_Static()
+{
+#if 0
+  static SetupFileHash *image_config_hash = NULL;
+#endif
+  int i;
+
+#if 0
+  if (image_config_hash == NULL)
+  {
+    image_config_hash = newSetupFileHash();
+
+    for (i = 0; image_config[i].token != NULL; i++)
+      setHashEntry(image_config_hash,
+                  image_config[i].token,
+                  image_config[i].value);
+  }
+#endif
+
+#if 1
+  /* always start with reliable default values from static default config */
+  for (i = 0; image_config_vars[i].token != NULL; i++)
+  {
+    char *value = getHashEntry(image_config_hash, image_config_vars[i].token);
+
+    if (value != NULL)
+      *image_config_vars[i].value =
+       get_token_parameter_value(image_config_vars[i].token, value);
+  }
+
+#else
+
+  int j;
+
+  /* always start with reliable default values from static default config */
+  for (i = 0; image_config_vars[i].token != NULL; i++)
+    for (j = 0; image_config[j].token != NULL; j++)
+      if (strEqual(image_config_vars[i].token, image_config[j].token))
+       *image_config_vars[i].value =
+         get_token_parameter_value(image_config_vars[i].token,
+                                   image_config[j].value);
+#endif
+}
+
+static void InitMenuDesignSettings_SpecialPreProcessing()
 {
-  SetupFileHash *setup_file_hash;
   int i;
 
+  /* the following initializes hierarchical values from static configuration */
+
+  /* special case: initialize "ARG_DEFAULT" values in static default config */
+  /* (e.g., initialize "[titlemessage].fade_mode" from "[title].fade_mode") */
+  titlemessage_initial_default.fade_mode  = title_initial_default.fade_mode;
+  titlemessage_initial_default.fade_delay = title_initial_default.fade_delay;
+  titlemessage_initial_default.post_delay = title_initial_default.post_delay;
+  titlemessage_initial_default.auto_delay = title_initial_default.auto_delay;
+  titlemessage_default.fade_mode  = title_default.fade_mode;
+  titlemessage_default.fade_delay = title_default.fade_delay;
+  titlemessage_default.post_delay = title_default.post_delay;
+  titlemessage_default.auto_delay = title_default.auto_delay;
+
+  /* special case: initialize "ARG_DEFAULT" values in static default config */
+  /* (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode") */
+  for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
+  {
+    titlemessage_initial[i] = titlemessage_initial_default;
+    titlemessage[i] = titlemessage_default;
+  }
+
+  /* special case: initialize "ARG_DEFAULT" values in static default config */
+  /* (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz") */
+  for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
+  {
+    menu.enter_screen[i] = menu.enter_screen[GFX_SPECIAL_ARG_DEFAULT];
+    menu.leave_screen[i] = menu.leave_screen[GFX_SPECIAL_ARG_DEFAULT];
+  }
+
+  /* special case: initialize "ARG_DEFAULT" values in static default config */
+  /* (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz") */
+  for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
+  {
+    viewport.playfield[i] = viewport.playfield[GFX_SPECIAL_ARG_DEFAULT];
+    viewport.door_1[i] = viewport.door_1[GFX_SPECIAL_ARG_DEFAULT];
+    if (i != GFX_SPECIAL_ARG_EDITOR)   /* editor value already initialized */
+      viewport.door_2[i] = viewport.door_2[GFX_SPECIAL_ARG_DEFAULT];
+  }
+}
+
+static void InitMenuDesignSettings_SpecialPostProcessing()
+{
+  /* special case: initialize later added SETUP list size from LEVELS value */
+  if (menu.list_size[GAME_MODE_SETUP] == -1)
+    menu.list_size[GAME_MODE_SETUP] = menu.list_size[GAME_MODE_LEVELS];
+}
+
+static void LoadMenuDesignSettingsFromFilename(char *filename)
+{
+  static struct TitleMessageInfo tmi;
+  static struct TokenInfo titlemessage_tokens[] =
+  {
+    { TYPE_INTEGER,    &tmi.x,                 ".x"                    },
+    { TYPE_INTEGER,    &tmi.y,                 ".y"                    },
+    { TYPE_INTEGER,    &tmi.width,             ".width"                },
+    { TYPE_INTEGER,    &tmi.height,            ".height"               },
+    { TYPE_INTEGER,    &tmi.chars,             ".chars"                },
+    { TYPE_INTEGER,    &tmi.lines,             ".lines"                },
+    { TYPE_INTEGER,    &tmi.align,             ".align"                },
+    { TYPE_INTEGER,    &tmi.valign,            ".valign"               },
+    { TYPE_INTEGER,    &tmi.font,              ".font"                 },
+    { TYPE_BOOLEAN,    &tmi.autowrap,          ".autowrap"             },
+    { TYPE_BOOLEAN,    &tmi.centered,          ".centered"             },
+    { TYPE_BOOLEAN,    &tmi.parse_comments,    ".parse_comments"       },
+    { TYPE_INTEGER,    &tmi.sort_priority,     ".sort_priority"        },
+    { TYPE_INTEGER,    &tmi.fade_mode,         ".fade_mode"            },
+    { TYPE_INTEGER,    &tmi.fade_delay,        ".fade_delay"           },
+    { TYPE_INTEGER,    &tmi.post_delay,        ".post_delay"           },
+    { TYPE_INTEGER,    &tmi.auto_delay,        ".auto_delay"           },
+
+    { -1,              NULL,                   NULL                    }
+  };
+  static struct
+  {
+    struct TitleMessageInfo *array;
+    char *text;
+  }
+  titlemessage_arrays[] =
+  {
+    { titlemessage_initial,            "[titlemessage_initial]"        },
+    { titlemessage,                    "[titlemessage]"                },
+
+    { NULL,                            NULL                            }
+  };
+  SetupFileHash *setup_file_hash;
+  int i, j, k;
+
 #if 0
-  printf("LoadSpecialMenuDesignSettings from file '%s' ...\n", filename);
+  printf("LoadMenuDesignSettings from file '%s' ...\n", filename);
 #endif
 
   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
     return;
 
+  /* the following initializes hierarchical values from dynamic configuration */
+
+  /* special case: initialize with default values that may be overwritten */
+  /* (e.g., init "menu.draw_xoffset.INFO" from "menu.draw_xoffset") */
+  for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
+  {
+    char *value_1 = getHashEntry(setup_file_hash, "menu.draw_xoffset");
+    char *value_2 = getHashEntry(setup_file_hash, "menu.draw_yoffset");
+    char *value_3 = getHashEntry(setup_file_hash, "menu.list_size");
+
+    if (value_1 != NULL)
+      menu.draw_xoffset[i] = get_integer_from_string(value_1);
+    if (value_2 != NULL)
+      menu.draw_yoffset[i] = get_integer_from_string(value_2);
+    if (value_3 != NULL)
+      menu.list_size[i] = get_integer_from_string(value_3);
+  }
+
+  /* special case: initialize with default values that may be overwritten */
+  /* (eg, init "menu.draw_xoffset.INFO[XXX]" from "menu.draw_xoffset.INFO") */
+  for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
+  {
+    char *value_1 = getHashEntry(setup_file_hash, "menu.draw_xoffset.INFO");
+    char *value_2 = getHashEntry(setup_file_hash, "menu.draw_yoffset.INFO");
+
+    if (value_1 != NULL)
+      menu.draw_xoffset_info[i] = get_integer_from_string(value_1);
+    if (value_2 != NULL)
+      menu.draw_yoffset_info[i] = get_integer_from_string(value_2);
+  }
+
+  /* special case: initialize with default values that may be overwritten */
+  /* (eg, init "menu.draw_xoffset.SETUP[XXX]" from "menu.draw_xoffset.SETUP") */
+  for (i = 0; i < NUM_SPECIAL_GFX_SETUP_ARGS; i++)
+  {
+    char *value_1 = getHashEntry(setup_file_hash, "menu.draw_xoffset.SETUP");
+    char *value_2 = getHashEntry(setup_file_hash, "menu.draw_yoffset.SETUP");
+
+    if (value_1 != NULL)
+      menu.draw_xoffset_setup[i] = get_integer_from_string(value_1);
+    if (value_2 != NULL)
+      menu.draw_yoffset_setup[i] = get_integer_from_string(value_2);
+  }
+
+  /* special case: initialize with default values that may be overwritten */
+  /* (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz") */
+  for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
+  {
+    char *token_1 = "menu.enter_screen.fade_mode";
+    char *token_2 = "menu.enter_screen.fade_delay";
+    char *token_3 = "menu.enter_screen.post_delay";
+    char *token_4 = "menu.leave_screen.fade_mode";
+    char *token_5 = "menu.leave_screen.fade_delay";
+    char *token_6 = "menu.leave_screen.post_delay";
+    char *value_1 = getHashEntry(setup_file_hash, token_1);
+    char *value_2 = getHashEntry(setup_file_hash, token_2);
+    char *value_3 = getHashEntry(setup_file_hash, token_3);
+    char *value_4 = getHashEntry(setup_file_hash, token_4);
+    char *value_5 = getHashEntry(setup_file_hash, token_5);
+    char *value_6 = getHashEntry(setup_file_hash, token_6);
+
+    if (value_1 != NULL)
+      menu.enter_screen[i].fade_mode = get_token_parameter_value(token_1,
+                                                                value_1);
+    if (value_2 != NULL)
+      menu.enter_screen[i].fade_delay = get_token_parameter_value(token_2,
+                                                                 value_2);
+    if (value_3 != NULL)
+      menu.enter_screen[i].post_delay = get_token_parameter_value(token_3,
+                                                                 value_3);
+    if (value_4 != NULL)
+      menu.leave_screen[i].fade_mode = get_token_parameter_value(token_4,
+                                                                value_4);
+    if (value_5 != NULL)
+      menu.leave_screen[i].fade_delay = get_token_parameter_value(token_5,
+                                                                 value_5);
+    if (value_6 != NULL)
+      menu.leave_screen[i].post_delay = get_token_parameter_value(token_6,
+                                                                 value_6);
+  }
+
   /* special case: initialize with default values that may be overwritten */
+  /* (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz") */
   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
   {
-    char *value_x = getHashEntry(setup_file_hash, "menu.draw_xoffset");
-    char *value_y = getHashEntry(setup_file_hash, "menu.draw_yoffset");
-    char *list_size = getHashEntry(setup_file_hash, "menu.list_size");
+    char *token_1 = "viewport.playfield.x";
+    char *token_2 = "viewport.playfield.y";
+    char *token_3 = "viewport.playfield.width";
+    char *token_4 = "viewport.playfield.height";
+    char *token_5 = "viewport.playfield.border_size";
+    char *token_6 = "viewport.door_1.x";
+    char *token_7 = "viewport.door_1.y";
+    char *token_8 = "viewport.door_2.x";
+    char *token_9 = "viewport.door_2.y";
+    char *value_1 = getHashEntry(setup_file_hash, token_1);
+    char *value_2 = getHashEntry(setup_file_hash, token_2);
+    char *value_3 = getHashEntry(setup_file_hash, token_3);
+    char *value_4 = getHashEntry(setup_file_hash, token_4);
+    char *value_5 = getHashEntry(setup_file_hash, token_5);
+    char *value_6 = getHashEntry(setup_file_hash, token_6);
+    char *value_7 = getHashEntry(setup_file_hash, token_7);
+    char *value_8 = getHashEntry(setup_file_hash, token_8);
+    char *value_9 = getHashEntry(setup_file_hash, token_9);
+
+    if (value_1 != NULL)
+      viewport.playfield[i].x = get_token_parameter_value(token_1, value_1);
+    if (value_2 != NULL)
+      viewport.playfield[i].y = get_token_parameter_value(token_2, value_2);
+    if (value_3 != NULL)
+      viewport.playfield[i].width = get_token_parameter_value(token_3, value_3);
+    if (value_4 != NULL)
+      viewport.playfield[i].height = get_token_parameter_value(token_4,value_4);
+    if (value_5 != NULL)
+      viewport.playfield[i].border_size = get_token_parameter_value(token_5,
+                                                                   value_5);
+    if (value_6 != NULL)
+      viewport.door_1[i].x = get_token_parameter_value(token_6, value_6);
+    if (value_7 != NULL)
+      viewport.door_1[i].y = get_token_parameter_value(token_7, value_7);
+    if (value_8 != NULL)
+      viewport.door_2[i].x = get_token_parameter_value(token_8, value_8);
+    if (value_9 != NULL)
+      viewport.door_2[i].y = get_token_parameter_value(token_9, value_9);
+  }
+
+  /* special case: initialize with default values that may be overwritten */
+  /* (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode") */
+  for (i = 0; titlemessage_arrays[i].array != NULL; i++)
+  {
+    struct TitleMessageInfo *array = titlemessage_arrays[i].array;
+    char *base_token = titlemessage_arrays[i].text;
+
+    for (j = 0; titlemessage_tokens[j].type != -1; j++)
+    {
+      char *token = getStringCat2(base_token, titlemessage_tokens[j].text);
+      char *value = getHashEntry(setup_file_hash, token);
+
+      if (value != NULL)
+      {
+       int parameter_value = get_token_parameter_value(token, value);
+
+       for (k = 0; k < MAX_NUM_TITLE_MESSAGES; k++)
+       {
+         tmi = array[k];
+
+         if (titlemessage_tokens[j].type == TYPE_INTEGER)
+           *(boolean *)titlemessage_tokens[j].value = (boolean)parameter_value;
+         else
+           *(int     *)titlemessage_tokens[j].value = (int)parameter_value;
 
-    if (value_x != NULL)
-      menu.draw_xoffset[i] = get_integer_from_string(value_x);
-    if (value_y != NULL)
-      menu.draw_yoffset[i] = get_integer_from_string(value_y);
-    if (list_size != NULL)
-      menu.list_size[i] = get_integer_from_string(list_size);
+         array[k] = tmi;
+       }
+      }
+
+      free(token);
+    }
   }
 
   /* read (and overwrite with) values that may be specified in config file */
@@ -7399,48 +10037,41 @@ static void LoadSpecialMenuDesignSettingsFromFilename(char *filename)
   {
     char *value = getHashEntry(setup_file_hash, image_config_vars[i].token);
 
-    if (value != NULL)
+    /* (ignore definitions set to "[DEFAULT]" which are already initialized) */
+    if (value != NULL && !strEqual(value, ARG_DEFAULT))
       *image_config_vars[i].value =
-       get_auto_parameter_value(image_config_vars[i].token, value);
+       get_token_parameter_value(image_config_vars[i].token, value);
   }
 
   freeSetupFileHash(setup_file_hash);
 }
 
-void LoadSpecialMenuDesignSettings()
+void LoadMenuDesignSettings()
 {
   char *filename_base = UNDEFINED_FILENAME, *filename_local;
-  int i, j;
 
-  /* always start with reliable default values from default config */
-  for (i = 0; image_config_vars[i].token != NULL; i++)
-    for (j = 0; image_config[j].token != NULL; j++)
-      if (strEqual(image_config_vars[i].token, image_config[j].token))
-       *image_config_vars[i].value =
-         get_auto_parameter_value(image_config_vars[i].token,
-                                  image_config[j].value);
+  InitMenuDesignSettings_Static();
+  InitMenuDesignSettings_SpecialPreProcessing();
 
 #if 1
+  if (!GFX_OVERRIDE_ARTWORK(ARTWORK_TYPE_GRAPHICS))
+#else
   if (!SETUP_OVERRIDE_ARTWORK(setup, ARTWORK_TYPE_GRAPHICS))
+#endif
   {
     /* first look for special settings configured in level series config */
     filename_base = getCustomArtworkLevelConfigFilename(ARTWORK_TYPE_GRAPHICS);
 
     if (fileExists(filename_base))
-      LoadSpecialMenuDesignSettingsFromFilename(filename_base);
+      LoadMenuDesignSettingsFromFilename(filename_base);
   }
 
   filename_local = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
 
   if (filename_local != NULL && !strEqual(filename_base, filename_local))
-    LoadSpecialMenuDesignSettingsFromFilename(filename_local);
-
-#else
-
-  filename_local = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
+    LoadMenuDesignSettingsFromFilename(filename_local);
 
-  LoadSpecialMenuDesignSettingsFromFilename(filename_local);
-#endif
+  InitMenuDesignSettings_SpecialPostProcessing();
 }
 
 void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
@@ -7498,19 +10129,19 @@ void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
     {
       if (num_unknown_tokens == 0)
       {
-       Error(ERR_RETURN_LINE, "-");
-       Error(ERR_RETURN, "warning: unknown token(s) found in config file:");
-       Error(ERR_RETURN, "- config file: '%s'", filename);
+       Error(ERR_INFO_LINE, "-");
+       Error(ERR_INFO, "warning: unknown token(s) found in config file:");
+       Error(ERR_INFO, "- config file: '%s'", filename);
 
        num_unknown_tokens++;
       }
 
-      Error(ERR_RETURN, "- token: '%s'", list->token);
+      Error(ERR_INFO, "- token: '%s'", list->token);
     }
   }
 
   if (num_unknown_tokens > 0)
-    Error(ERR_RETURN_LINE, "-");
+    Error(ERR_INFO_LINE, "-");
 
   while (*num_elements % 4)    /* pad with empty elements, if needed */
     (*elements)[(*num_elements)++] = EL_EMPTY;
@@ -7598,7 +10229,7 @@ static struct MusicFileInfo *get_music_file_info_ext(char *basename, int music,
 
   /* ---------- music file info found ---------- */
 
-  memset(&tmp_music_file_info, 0, sizeof(struct MusicFileInfo));
+  clear_mem(&tmp_music_file_info, sizeof(struct MusicFileInfo));
 
   for (i = 0; token_to_value_ptr[i].token != NULL; i++)
   {
@@ -7704,6 +10335,10 @@ void LoadMusicInfo()
     if (!music_info_listed(music_file_info, music->filename))
     {
       *new = get_music_file_info(music->filename, i);
+#if 0
+      if (*new != NULL)
+       printf(":1: adding '%s' ['%s'] ...\n", (*new)->title, music->filename);
+#endif
       if (*new != NULL)
        new = &(*new)->next;
     }
@@ -7749,6 +10384,10 @@ void LoadMusicInfo()
     if (!music_info_listed(music_file_info, basename))
     {
       *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf));
+#if 0
+      if (*new != NULL)
+       printf(":2: adding '%s' ['%s'] ...\n", (*new)->title, basename);
+#endif
       if (*new != NULL)
        new = &(*new)->next;
     }
@@ -7811,18 +10450,18 @@ void print_unknown_token(char *filename, char *token, int token_nr)
 {
   if (token_nr == 0)
   {
-    Error(ERR_RETURN_LINE, "-");
-    Error(ERR_RETURN, "warning: unknown token(s) found in config file:");
-    Error(ERR_RETURN, "- config file: '%s'", filename);
+    Error(ERR_INFO_LINE, "-");
+    Error(ERR_INFO, "warning: unknown token(s) found in config file:");
+    Error(ERR_INFO, "- config file: '%s'", filename);
   }
 
-  Error(ERR_RETURN, "- token: '%s'", token);
+  Error(ERR_INFO, "- token: '%s'", token);
 }
 
 void print_unknown_token_end(int token_nr)
 {
   if (token_nr > 0)
-    Error(ERR_RETURN_LINE, "-");
+    Error(ERR_INFO_LINE, "-");
 }
 
 void LoadHelpAnimInfo()
@@ -8071,9 +10710,9 @@ void LoadHelpTextInfo()
 }
 
 
-/* ------------------------------------------------------------------------- *
- * convert levels
- * ------------------------------------------------------------------------- */
+/* ------------------------------------------------------------------------- */
+/* convert levels                                                            */
+/* ------------------------------------------------------------------------- */
 
 #define MAX_NUM_CONVERT_LEVELS         1000
 
@@ -8183,3 +10822,165 @@ void ConvertLevels()
 
   CloseAllAndExit(0);
 }
+
+
+/* ------------------------------------------------------------------------- */
+/* create and save images for use in level sketches (raw BMP format)         */
+/* ------------------------------------------------------------------------- */
+
+void CreateLevelSketchImages()
+{
+#if defined(TARGET_SDL)
+  Bitmap *bitmap1;
+  Bitmap *bitmap2;
+  int i;
+
+  InitElementPropertiesGfxElement();
+
+  bitmap1 = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
+  bitmap2 = CreateBitmap(MINI_TILEX, MINI_TILEY, DEFAULT_DEPTH);
+
+  for (i = 0; i < NUM_FILE_ELEMENTS; i++)
+  {
+    Bitmap *src_bitmap;
+    int src_x, src_y;
+    int element = getMappedElement(i);
+    int graphic = el2edimg(element);
+    char basename1[16];
+    char basename2[16];
+    char *filename1;
+    char *filename2;
+
+    sprintf(basename1, "%03d.bmp", i);
+    sprintf(basename2, "%03ds.bmp", i);
+
+    filename1 = getPath2(global.create_images_dir, basename1);
+    filename2 = getPath2(global.create_images_dir, basename2);
+
+    getGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
+    BlitBitmap(src_bitmap, bitmap1, src_x, src_y, TILEX, TILEY, 0, 0);
+
+    if (SDL_SaveBMP(bitmap1->surface, filename1) != 0)
+      Error(ERR_EXIT, "cannot save level sketch image file '%s'", filename1);
+
+    getMiniGraphicSource(graphic, &src_bitmap, &src_x, &src_y);
+    BlitBitmap(src_bitmap, bitmap2, src_x, src_y, MINI_TILEX, MINI_TILEY, 0, 0);
+
+    if (SDL_SaveBMP(bitmap2->surface, filename2) != 0)
+      Error(ERR_EXIT, "cannot save level sketch image file '%s'", filename2);
+
+    free(filename1);
+    free(filename2);
+
+    if (options.debug)
+      printf("%03d `%03d%c", i, i, (i % 10 < 9 ? ' ' : '\n'));
+  }
+
+  FreeBitmap(bitmap1);
+  FreeBitmap(bitmap2);
+
+  if (options.debug)
+    printf("\n");
+
+  Error(ERR_INFO, "%d normal and small images created", NUM_FILE_ELEMENTS);
+
+  CloseAllAndExit(0);
+#endif
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* create and save images for custom and group elements (raw BMP format)     */
+/* ------------------------------------------------------------------------- */
+
+void CreateCustomElementImages()
+{
+#if defined(TARGET_SDL)
+  char *filename = "graphics.classic/RocksCE.bmp";
+  Bitmap *bitmap;
+  Bitmap *src_bitmap;
+  int dummy_graphic = IMG_CUSTOM_99;
+  int yoffset_ce = 0;
+  int yoffset_ge = (TILEY * NUM_CUSTOM_ELEMENTS / 16);
+  int src_x, src_y;
+  int i;
+
+  bitmap = CreateBitmap(TILEX * 16 * 2,
+                       TILEY * (NUM_CUSTOM_ELEMENTS + NUM_GROUP_ELEMENTS) / 16,
+                       DEFAULT_DEPTH);
+
+  getGraphicSource(dummy_graphic, 0, &src_bitmap, &src_x, &src_y);
+
+  for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+  {
+    int x = i % 16;
+    int y = i / 16;
+    int ii = i + 1;
+    int j;
+
+    BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
+              TILEX * x, TILEY * y + yoffset_ce);
+
+    BlitBitmap(src_bitmap, bitmap, 0, TILEY, TILEX, TILEY,
+              TILEX * x + TILEX * 16, TILEY * y + yoffset_ce);
+
+    for (j = 2; j >= 0; j--)
+    {
+      int c = ii % 10;
+
+      BlitBitmap(src_bitmap, bitmap, TILEX + c * 7, 0, 6, 10,
+                TILEX * x + 6 + j * 7,
+                TILEY * y + 11 + yoffset_ce);
+
+      BlitBitmap(src_bitmap, bitmap, TILEX + c * 8, TILEY, 6, 10,
+                TILEX * 16 + TILEX * x + 6 + j * 8,
+                TILEY * y + 10 + yoffset_ce);
+
+      ii /= 10;
+    }
+  }
+
+  for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
+  {
+    int x = i % 16;
+    int y = i / 16;
+    int ii = i + 1;
+    int j;
+
+    BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
+              TILEX * x, TILEY * y + yoffset_ge);
+
+    BlitBitmap(src_bitmap, bitmap, 0, TILEY, TILEX, TILEY,
+              TILEX * x + TILEX * 16, TILEY * y + yoffset_ge);
+
+    for (j = 1; j >= 0; j--)
+    {
+      int c = ii % 10;
+
+      BlitBitmap(src_bitmap, bitmap, TILEX + c * 10, 11, 10, 10,
+                TILEX * x + 6 + j * 10,
+                TILEY * y + 11 + yoffset_ge);
+
+      BlitBitmap(src_bitmap, bitmap, TILEX + c * 8, TILEY + 12, 6, 10,
+                TILEX * 16 + TILEX * x + 10 + j * 8,
+                TILEY * y + 10 + yoffset_ge);
+
+      ii /= 10;
+    }
+  }
+
+  if (SDL_SaveBMP(bitmap->surface, filename) != 0)
+    Error(ERR_EXIT, "cannot save CE graphics file '%s'", filename);
+
+  FreeBitmap(bitmap);
+
+  CloseAllAndExit(0);
+#endif
+}
+
+#if 0
+void CreateLevelSketchImages_TEST()
+{
+  void CreateCustomElementImages()
+}
+#endif