rnd-20060509-1-src
[rocksndiamonds.git] / src / files.c
index 1d29930366fd64f8d6375501991b2c30112e0678..b23388e9435e212d8e54b9990eaaac52226bc952 100644 (file)
 #define CONF_MASK_BYTES                        0xc0
 #define CONF_MASK_TOKEN                        0x3f
 
-#define CONF_LAST_ENTRY                        (CONF_MASK_1_BYTE | 0)
+#define CONF_VALUE_1_BYTE(x)           (CONF_MASK_1_BYTE       | (x))
+#define CONF_VALUE_2_BYTE(x)           (CONF_MASK_2_BYTE       | (x))
+#define CONF_VALUE_4_BYTE(x)           (CONF_MASK_4_BYTE       | (x))
+#define CONF_VALUE_MULTI_BYTES(x)      (CONF_MASK_MULTI_BYTES  | (x))
+
+/* a sequence of configuration values can be terminated by this value */
+#define CONF_LAST_ENTRY                        CONF_VALUE_1_BYTE(0)
+
+/* these definitions are just for convenience of use and readability */
+#define CONF_VALUE_8_BIT(x)            CONF_VALUE_1_BYTE(x)
+#define CONF_VALUE_16_BIT(x)           CONF_VALUE_2_BYTE(x)
+#define CONF_VALUE_32_BIT(x)           CONF_VALUE_4_BYTE(x)
+#define CONF_VALUE_BYTES(x)            CONF_VALUE_MULTI_BYTES(x)
+
+#define CONF_VALUE_INTEGER_1           CONF_VALUE_8_BIT(1)
+#define CONF_VALUE_INTEGER_2           CONF_VALUE_8_BIT(2)
+#define CONF_VALUE_INTEGER_3           CONF_VALUE_8_BIT(3)
+#define CONF_VALUE_INTEGER_4           CONF_VALUE_8_BIT(4)
+#define CONF_VALUE_INTEGER_5           CONF_VALUE_8_BIT(5)
+#define CONF_VALUE_INTEGER_6           CONF_VALUE_8_BIT(6)
+#define CONF_VALUE_INTEGER_7           CONF_VALUE_8_BIT(7)
+#define CONF_VALUE_INTEGER_8           CONF_VALUE_8_BIT(8)
+#define CONF_VALUE_BOOLEAN_1           CONF_VALUE_8_BIT(9)
+#define CONF_VALUE_BOOLEAN_2           CONF_VALUE_8_BIT(10)
+#define CONF_VALUE_BOOLEAN_3           CONF_VALUE_8_BIT(11)
+#define CONF_VALUE_BOOLEAN_4           CONF_VALUE_8_BIT(12)
+#define CONF_VALUE_BOOLEAN_5           CONF_VALUE_8_BIT(13)
+#define CONF_VALUE_BOOLEAN_6           CONF_VALUE_8_BIT(14)
+#define CONF_VALUE_BOOLEAN_7           CONF_VALUE_8_BIT(15)
+#define CONF_VALUE_BOOLEAN_8           CONF_VALUE_8_BIT(16)
+
+#define CONF_VALUE_ELEMENT_1           CONF_VALUE_16_BIT(1)
+#define CONF_VALUE_ELEMENT_2           CONF_VALUE_16_BIT(2)
+#define CONF_VALUE_ELEMENT_3           CONF_VALUE_16_BIT(3)
+#define CONF_VALUE_ELEMENT_4           CONF_VALUE_16_BIT(4)
+#define CONF_VALUE_ELEMENT_5           CONF_VALUE_16_BIT(5)
+#define CONF_VALUE_ELEMENT_6           CONF_VALUE_16_BIT(6)
+#define CONF_VALUE_ELEMENT_7           CONF_VALUE_16_BIT(7)
+#define CONF_VALUE_ELEMENT_8           CONF_VALUE_16_BIT(8)
 
-#define CONF_VALUE_INTEGER_1           (CONF_MASK_1_BYTE | 1)
-#define CONF_VALUE_INTEGER_2           (CONF_MASK_1_BYTE | 2)
-#define CONF_VALUE_INTEGER_3           (CONF_MASK_1_BYTE | 3)
-#define CONF_VALUE_INTEGER_4           (CONF_MASK_1_BYTE | 4)
-#define CONF_VALUE_BOOLEAN_1           (CONF_MASK_1_BYTE | 5)
-#define CONF_VALUE_BOOLEAN_2           (CONF_MASK_1_BYTE | 6)
-#define CONF_VALUE_BOOLEAN_3           (CONF_MASK_1_BYTE | 7)
-#define CONF_VALUE_BOOLEAN_4           (CONF_MASK_1_BYTE | 8)
-
-#define CONF_VALUE_ELEMENT_1           (CONF_MASK_2_BYTE | 1)
-#define CONF_VALUE_ELEMENT_2           (CONF_MASK_2_BYTE | 2)
-#define CONF_VALUE_ELEMENT_3           (CONF_MASK_2_BYTE | 3)
-#define CONF_VALUE_ELEMENT_4           (CONF_MASK_2_BYTE | 4)
-
-#define CONF_VALUE_CONTENT_1           (CONF_MASK_MULTI_BYTES | 1)
-#define CONF_VALUE_CONTENT_8           (CONF_MASK_MULTI_BYTES | 2)
+#if 0
+#define CONF_VALUE_ELEMENTS            CONF_VALUE_BYTES(1)
+#define CONF_VALUE_CONTENTS            CONF_VALUE_BYTES(2)
+#endif
 
+#if 0
 #define CONF_VALUE_INTEGER(x)          ((x) >= CONF_VALUE_INTEGER_1 && \
-                                        (x) <= CONF_VALUE_INTEGER_4)
+                                        (x) <= CONF_VALUE_INTEGER_8)
 
 #define CONF_VALUE_BOOLEAN(x)          ((x) >= CONF_VALUE_BOOLEAN_1 && \
-                                        (x) <= CONF_VALUE_BOOLEAN_4)
+                                        (x) <= CONF_VALUE_BOOLEAN_8)
+#endif
 
 #define CONF_VALUE_NUM_BYTES(x)                ((x) == CONF_MASK_1_BYTE ? 1 :  \
                                         (x) == CONF_MASK_2_BYTE ? 2 :  \
                                         (x) == CONF_MASK_4_BYTE ? 4 : 0)
 
+#if 0
 #define CONF_CONTENT_NUM_ELEMENTS      (3 * 3)
 #define CONF_CONTENT_NUM_BYTES         (CONF_CONTENT_NUM_ELEMENTS * 2)
+#define CONF_ELEMENT_NUM_BYTES         (2)
+
+#define CONF_ENTITY_NUM_BYTES(t)       ((t) == CONF_VALUE_ELEMENTS ?   \
+                                        CONF_ELEMENT_NUM_BYTES :       \
+                                        (t) == CONF_VALUE_CONTENTS ?   \
+                                        CONF_CONTENT_NUM_BYTES : 1)
+#endif
+
+#define CONF_CONTENT_NUM_ELEMENTS      (3 * 3)
+#define CONF_CONTENT_NUM_BYTES         (CONF_CONTENT_NUM_ELEMENTS * 2)
+#define CONF_ELEMENT_NUM_BYTES         (2)
+
+#define CONF_ENTITY_NUM_BYTES(t)       ((t) == TYPE_ELEMENT ||         \
+                                        (t) == TYPE_ELEMENT_LIST ?     \
+                                        CONF_ELEMENT_NUM_BYTES :       \
+                                        (t) == TYPE_CONTENT ||         \
+                                        (t) == TYPE_CONTENT_LIST ?     \
+                                        CONF_CONTENT_NUM_BYTES : 1)
+
+#define CONF_ELEMENT_BYTE_POS(i)       ((i) * CONF_ELEMENT_NUM_BYTES)
+#define CONF_ELEMENTS_ELEMENT(b,i)     ((b[CONF_ELEMENT_BYTE_POS(i)] << 8) |  \
+                                       (b[CONF_ELEMENT_BYTE_POS(i) + 1]))
 
 #define CONF_CONTENT_ELEMENT_POS(c,x,y)        ((c) * CONF_CONTENT_NUM_ELEMENTS +    \
                                         (y) * 3 + (x))
-#define CONF_CONTENT_BYTE_POS(c,x,y)   (CONF_CONTENT_ELEMENT_POS(c,x,y) * 2)
-#define CONF_CONTENT_ELEMENT(b,c,x,y) ((b[CONF_CONTENT_BYTE_POS(c,x,y)] << 8)|\
-                                      (b[CONF_CONTENT_BYTE_POS(c,x,y) + 1]))
+#define CONF_CONTENT_BYTE_POS(c,x,y)   (CONF_CONTENT_ELEMENT_POS(c,x,y) *    \
+                                        CONF_ELEMENT_NUM_BYTES)
+#define CONF_CONTENTS_ELEMENT(b,c,x,y) ((b[CONF_CONTENT_BYTE_POS(c,x,y)]<< 8)|\
+                                       (b[CONF_CONTENT_BYTE_POS(c,x,y) + 1]))
 
-static struct LevelInfo li;
+#if 0
+static void LoadLevel_InitPlayfield(struct LevelInfo *, char *);
+#endif
 
-static struct
+/* temporary variables used to store pointers to structure members */
+static struct LevelInfo li;
+static struct ElementInfo xx_ei;
+static struct ElementChangeInfo xx_change;
+static struct ElementGroupInfo xx_group;
+static unsigned int xx_event_bits_0_31, xx_event_bits_32_63;
+static int xx_num_description_bytes;
+static int xx_num_contents;
+static int xx_current_change_page;
+
+struct ElementFileConfig
 {
-  int element;
-  int type;
-  void *value;
-  int default_value;
-} element_conf[] =
+  int element;                 /* element for which data is to be stored */
+  int data_type;               /* internal type of data */
+  int conf_type;               /* special type identifier stored in file */
+
+  /* (mandatory) */
+  void *value;                 /* variable that holds the data to be stored */
+  int default_value;           /* initial default value for this variable */
+
+  /* (optional) */
+  void *num_entities;          /* number of entities for multi-byte data */
+  int default_num_entities;    /* default number of entities for this data */
+  int max_num_entities;                /* maximal number of entities for this data */
+};
+
+static struct ElementFileConfig element_conf[] =
 {
   /* ---------- 1-byte values ---------------------------------------------- */
+
   {
-    EL_EMC_ANDROID,                    CONF_VALUE_INTEGER_1,
+    EL_EMC_ANDROID,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.android_move_time,             10
   },
   {
-    EL_EMC_ANDROID,                    CONF_VALUE_INTEGER_2,
+    EL_EMC_ANDROID,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_2,
     &li.android_clone_time,            10
   },
   {
-    EL_EMC_LENSES,                     CONF_VALUE_INTEGER_1,
+    EL_EMC_LENSES,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.lenses_score,                  10
   },
   {
-    EL_EMC_LENSES,                     CONF_VALUE_INTEGER_2,
+    EL_EMC_LENSES,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_2,
     &li.lenses_time,                   10
   },
   {
-    EL_EMC_MAGNIFIER,                  CONF_VALUE_INTEGER_1,
+    EL_EMC_MAGNIFIER,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.magnify_score,                 10
   },
   {
-    EL_EMC_MAGNIFIER,                  CONF_VALUE_INTEGER_2,
+    EL_EMC_MAGNIFIER,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_2,
     &li.magnify_time,                  10
   },
   {
-    EL_ROBOT,                          CONF_VALUE_INTEGER_1,
+    EL_ROBOT,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.slurp_score,                   10
   },
   {
-    EL_GAME_OF_LIFE,                   CONF_VALUE_INTEGER_1,
+    EL_GAME_OF_LIFE,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.game_of_life[0],               2
   },
   {
-    EL_GAME_OF_LIFE,                   CONF_VALUE_INTEGER_2,
+    EL_GAME_OF_LIFE,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_2,
     &li.game_of_life[1],               3
   },
   {
-    EL_GAME_OF_LIFE,                   CONF_VALUE_INTEGER_3,
+    EL_GAME_OF_LIFE,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_3,
     &li.game_of_life[2],               3
   },
   {
-    EL_GAME_OF_LIFE,                   CONF_VALUE_INTEGER_4,
+    EL_GAME_OF_LIFE,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_4,
     &li.game_of_life[3],               3
   },
   {
-    EL_BIOMAZE,                                CONF_VALUE_INTEGER_1,
+    EL_BIOMAZE,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.biomaze[0],                    2
   },
   {
-    EL_BIOMAZE,                                CONF_VALUE_INTEGER_2,
+    EL_BIOMAZE,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_2,
     &li.biomaze[1],                    3
   },
   {
-    EL_BIOMAZE,                                CONF_VALUE_INTEGER_3,
+    EL_BIOMAZE,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_3,
     &li.biomaze[2],                    3
   },
   {
-    EL_BIOMAZE,                                CONF_VALUE_INTEGER_4,
+    EL_BIOMAZE,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_4,
     &li.biomaze[3],                    3
   },
   {
-    EL_BALLOON,                                CONF_VALUE_INTEGER_1,
+    EL_BALLOON,
+    TYPE_BITFIELD,                     CONF_VALUE_INTEGER_1,
     &li.wind_direction_initial,                MV_NONE
   },
   {
-    EL_TIMEGATE_SWITCH,                        CONF_VALUE_INTEGER_1,
+    EL_TIMEGATE_SWITCH,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.time_timegate,                 10
   },
   {
-    EL_LIGHT_SWITCH_ACTIVE,            CONF_VALUE_INTEGER_1,
+    EL_LIGHT_SWITCH_ACTIVE,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.time_light,                    10
   },
   {
-    EL_SHIELD_NORMAL,                  CONF_VALUE_INTEGER_1,
+    EL_SHIELD_NORMAL,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.shield_normal_time,            10
   },
   {
-    EL_SHIELD_DEADLY,                  CONF_VALUE_INTEGER_1,
+    EL_SHIELD_DEADLY,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.shield_deadly_time,            10
   },
   {
-    EL_EXTRA_TIME,                     CONF_VALUE_INTEGER_1,
+    EL_EXTRA_TIME,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.extra_time,                    10
   },
   {
-    EL_EXTRA_TIME,                     CONF_VALUE_INTEGER_2,
+    EL_EXTRA_TIME,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_2,
     &li.extra_time_score,              10
   },
   {
-    EL_TIME_ORB_FULL,                  CONF_VALUE_INTEGER_1,
+    EL_TIME_ORB_FULL,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
     &li.time_orb_time,                 10
   },
   {
-    EL_TIME_ORB_FULL,                  CONF_VALUE_BOOLEAN_1,
+    EL_TIME_ORB_FULL,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_1,
     &li.use_time_orb_bug,              FALSE
   },
   {
-    EL_PLAYER_1,                       CONF_VALUE_BOOLEAN_1,
+    EL_PLAYER_1,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_1,
     &li.block_snap_field,              TRUE
   },
   {
-    EL_PLAYER_1,                       CONF_VALUE_BOOLEAN_2,
+    EL_PLAYER_1,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_2,
     &li.use_start_element[0],          FALSE
   },
   {
-    EL_PLAYER_2,                       CONF_VALUE_BOOLEAN_2,
+    EL_PLAYER_2,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_2,
     &li.use_start_element[1],          FALSE
   },
   {
-    EL_PLAYER_3,                       CONF_VALUE_BOOLEAN_2,
+    EL_PLAYER_3,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_2,
     &li.use_start_element[2],          FALSE
   },
   {
-    EL_PLAYER_4,                       CONF_VALUE_BOOLEAN_2,
+    EL_PLAYER_4,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_2,
     &li.use_start_element[3],          FALSE
   },
   {
-    EL_EMC_MAGIC_BALL,                 CONF_VALUE_INTEGER_1,
-    &li.ball_time,                     10
+    EL_PLAYER_1,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_3,
+    &li.use_artwork_element[0],                FALSE
+  },
+  {
+    EL_PLAYER_2,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_3,
+    &li.use_artwork_element[1],                FALSE
+  },
+  {
+    EL_PLAYER_3,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_3,
+    &li.use_artwork_element[2],                FALSE
+  },
+  {
+    EL_PLAYER_4,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_3,
+    &li.use_artwork_element[3],                FALSE
+  },
+  {
+    EL_PLAYER_1,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_4,
+    &li.use_explosion_element[0],      FALSE
+  },
+  {
+    EL_PLAYER_2,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_4,
+    &li.use_explosion_element[1],      FALSE
+  },
+  {
+    EL_PLAYER_3,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_4,
+    &li.use_explosion_element[2],      FALSE
+  },
+  {
+    EL_PLAYER_4,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_4,
+    &li.use_explosion_element[3],      FALSE
+  },
+  {
+    EL_PLAYER_1,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_5,
+    &li.continuous_snapping,           TRUE
+  },
+  {
+    EL_PLAYER_1,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
+    &li.initial_player_stepsize,       STEPSIZE_NORMAL
   },
   {
-    EL_EMC_MAGIC_BALL,                 CONF_VALUE_INTEGER_2,
-    &li.num_ball_contents,             8
+    EL_EMC_MAGIC_BALL,
+    TYPE_INTEGER,                      CONF_VALUE_INTEGER_1,
+    &li.ball_time,                     10
   },
   {
-    EL_EMC_MAGIC_BALL,                 CONF_VALUE_BOOLEAN_1,
+    EL_EMC_MAGIC_BALL,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_1,
     &li.ball_random,                   FALSE
   },
   {
-    EL_EMC_MAGIC_BALL,                 CONF_VALUE_BOOLEAN_2,
+    EL_EMC_MAGIC_BALL,
+    TYPE_BOOLEAN,                      CONF_VALUE_BOOLEAN_2,
     &li.ball_state_initial,            FALSE
   },
 
   /* ---------- 2-byte values ---------------------------------------------- */
+
   {
-    EL_PLAYER_1,                       CONF_VALUE_ELEMENT_1,
+    EL_PLAYER_1,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_1,
     &li.start_element[0],              EL_PLAYER_1
   },
   {
-    EL_PLAYER_2,                       CONF_VALUE_ELEMENT_1,
+    EL_PLAYER_2,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_1,
     &li.start_element[1],              EL_PLAYER_2
   },
   {
-    EL_PLAYER_3,                       CONF_VALUE_ELEMENT_1,
+    EL_PLAYER_3,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_1,
     &li.start_element[2],              EL_PLAYER_3
   },
   {
-    EL_PLAYER_4,                       CONF_VALUE_ELEMENT_1,
+    EL_PLAYER_4,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_1,
     &li.start_element[3],              EL_PLAYER_4
   },
+  {
+    EL_PLAYER_1,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_2,
+    &li.artwork_element[0],            EL_PLAYER_1
+  },
+  {
+    EL_PLAYER_2,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_2,
+    &li.artwork_element[1],            EL_PLAYER_2
+  },
+  {
+    EL_PLAYER_3,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_2,
+    &li.artwork_element[2],            EL_PLAYER_3
+  },
+  {
+    EL_PLAYER_4,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_2,
+    &li.artwork_element[3],            EL_PLAYER_4
+  },
+  {
+    EL_PLAYER_1,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_3,
+    &li.explosion_element[0],          EL_PLAYER_1
+  },
+  {
+    EL_PLAYER_2,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_3,
+    &li.explosion_element[1],          EL_PLAYER_2
+  },
+  {
+    EL_PLAYER_3,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_3,
+    &li.explosion_element[2],          EL_PLAYER_3
+  },
+  {
+    EL_PLAYER_4,
+    TYPE_ELEMENT,                      CONF_VALUE_ELEMENT_3,
+    &li.explosion_element[3],          EL_PLAYER_4
+  },
 
   /* ---------- multi-byte values ------------------------------------------ */
+
+  {
+    EL_EMC_ANDROID,
+    TYPE_ELEMENT_LIST,                 CONF_VALUE_BYTES(1),
+    &li.android_clone_element[0],      EL_EMPTY,
+    &li.num_android_clone_elements,    1, MAX_ANDROID_ELEMENTS
+  },
+  {
+    EL_EMC_MAGIC_BALL,
+    TYPE_CONTENT_LIST,                 CONF_VALUE_BYTES(2),
+    &li.ball_content,                  EL_EMPTY,
+    &li.num_ball_contents,             4, MAX_ELEMENT_CONTENTS
+  },
+
+  {
+    -1,
+    -1,                                        -1,
+    NULL,                              -1,
+  },
+};
+
+static struct ElementFileConfig custom_element_conf[] =
+{
+  {
+    -1,
+    TYPE_STRING,                       CONF_VALUE_BYTES(1),
+    &xx_ei.description[0],             0,
+    &xx_num_description_bytes, MAX_ELEMENT_NAME_LEN, MAX_ELEMENT_NAME_LEN,
+  },
+
+  {
+    -1,
+    TYPE_BITFIELD,                     CONF_VALUE_32_BIT(1),
+    &xx_ei.properties[EP_BITFIELD_BASE],
+#if 0
+    EP_BITMASK_DEFAULT
+#else
+    (1 << EP_CAN_MOVE_INTO_ACID)
+#endif
+  },
+#if 0
+  /* (reserved) */
+  {
+    -1,
+    TYPE_BITFIELD,                     CONF_VALUE_32_BIT(2),
+    &xx_ei.properties[EP_BITFIELD_BASE + 1], EP_BITMASK_DEFAULT
+  },
+#endif
+
+  {
+    -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(1),
+    &xx_ei.use_gfx_element,            FALSE
+  },
+  {
+    -1,
+    TYPE_ELEMENT,                      CONF_VALUE_16_BIT(1),
+    &xx_ei.gfx_element,                        EL_EMPTY_SPACE
+  },
+
+  {
+    -1,
+    TYPE_BITFIELD,                     CONF_VALUE_8_BIT(2),
+    &xx_ei.access_direction,           MV_ALL_DIRECTIONS
+  },
+
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(2),
+    &xx_ei.collect_score_initial,      10
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(3),
+    &xx_ei.collect_count_initial,      1
+  },
+
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(4),
+    &xx_ei.ce_value_fixed_initial,     0
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(5),
+    &xx_ei.ce_value_random_initial,    0
+  },
+  {
+    -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(3),
+    &xx_ei.use_last_ce_value,          FALSE
+  },
+
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(6),
+    &xx_ei.push_delay_fixed,           8,
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(7),
+    &xx_ei.push_delay_random,          8,
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(8),
+    &xx_ei.drop_delay_fixed,           0
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(9),
+    &xx_ei.drop_delay_random,          0
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(10),
+    &xx_ei.move_delay_fixed,           0
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(11),
+    &xx_ei.move_delay_random,          0
+  },
+
+  {
+    -1,
+    TYPE_BITFIELD,                     CONF_VALUE_32_BIT(3),
+    &xx_ei.move_pattern,               MV_ALL_DIRECTIONS
+  },
+  {
+    -1,
+    TYPE_BITFIELD,                     CONF_VALUE_8_BIT(4),
+    &xx_ei.move_direction_initial,     MV_START_AUTOMATIC
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(5),
+    &xx_ei.move_stepsize,              TILEX / 8
+  },
+
+  {
+    -1,
+    TYPE_ELEMENT,                      CONF_VALUE_16_BIT(12),
+    &xx_ei.move_enter_element,         EL_EMPTY_SPACE
+  },
+  {
+    -1,
+    TYPE_ELEMENT,                      CONF_VALUE_16_BIT(13),
+    &xx_ei.move_leave_element,         EL_EMPTY_SPACE
+  },
   {
-    EL_EMC_MAGIC_BALL,                 CONF_VALUE_CONTENT_8,
-    &li.ball_content,                  EL_EMPTY
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(6),
+    &xx_ei.move_leave_type,            LEAVE_TYPE_UNLIMITED
   },
 
   {
+    -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(7),
+    &xx_ei.slippery_type,              SLIPPERY_ANY_RANDOM
+  },
+
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(8),
+    &xx_ei.explosion_type,             EXPLODES_3X3
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(14),
+    &xx_ei.explosion_delay,            16
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(15),
+    &xx_ei.ignition_delay,             8
+  },
+
+  {
+    -1,
+    TYPE_CONTENT_LIST,                 CONF_VALUE_BYTES(2),
+    &xx_ei.content,                    EL_EMPTY_SPACE,
+    &xx_num_contents,                  1, 1
+  },
+
+  /* ---------- "num_change_pages" must be the last entry ------------------- */
+
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(9),
+    &xx_ei.num_change_pages,           -1      /* always save this value */
+  },
+
+  {
+    -1,
     -1,                                        -1,
-    NULL,                              -1
+    NULL,                              -1,
+  },
+};
+
+static struct ElementFileConfig custom_element_change_conf[] =
+{
+  /* ---------- "current_change_page" must be the first entry --------------- */
+
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(1),
+    &xx_current_change_page,           -1
+  },
+
+  {
+    -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(2),
+    &xx_change.can_change,             FALSE
+  },
+
+  {
+    -1,
+    TYPE_BITFIELD,                     CONF_VALUE_32_BIT(1),
+    &xx_event_bits_0_31,               0
+  },
+  {
+    -1,
+    TYPE_BITFIELD,                     CONF_VALUE_32_BIT(2),
+    &xx_event_bits_32_63,              0
+  },
+
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(3),
+    &xx_change.trigger_player,         CH_PLAYER_ANY
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(4),
+    &xx_change.trigger_side,           CH_SIDE_ANY
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(5),
+    &xx_change.trigger_page,           CH_PAGE_ANY
+  },
+
+  {
+    -1,
+    TYPE_ELEMENT,                      CONF_VALUE_16_BIT(1),
+    &xx_change.target_element,         EL_EMPTY_SPACE
+  },
+
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(2),
+    &xx_change.delay_fixed,            0
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(3),
+    &xx_change.delay_random,           0
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(4),
+    &xx_change.delay_frames,           FRAMES_PER_SECOND
+  },
+
+  {
+    -1,
+    TYPE_ELEMENT,                      CONF_VALUE_16_BIT(5),
+    &xx_change.trigger_element,                EL_EMPTY_SPACE
+  },
+
+  {
+    -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(6),
+    &xx_change.explode,                        FALSE
+  },
+  {
+    -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(7),
+    &xx_change.use_target_content,     FALSE
+  },
+  {
+    -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(8),
+    &xx_change.only_if_complete,       FALSE
+  },
+  {
+    -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(9),
+    &xx_change.use_random_replace,     FALSE
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(10),
+    &xx_change.random_percentage,      100
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(11),
+    &xx_change.replace_when,           CP_WHEN_EMPTY
+  },
+
+  {
+    -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(12),
+    &xx_change.has_action,             FALSE
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(13),
+    &xx_change.action_type,            CA_NO_ACTION
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(14),
+    &xx_change.action_mode,            CA_MODE_UNDEFINED
+  },
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_16_BIT(6),
+    &xx_change.action_arg,             CA_ARG_UNDEFINED
+  },
+
+  {
+    -1,
+    TYPE_CONTENT_LIST,                 CONF_VALUE_BYTES(1),
+    &xx_change.target_content,         EL_EMPTY_SPACE,
+    &xx_num_contents,                  1, 1
+  },
+
+  {
+    -1,
+    -1,                                        -1,
+    NULL,                              -1,
+  },
+};
+
+static struct ElementFileConfig group_element_conf[] =
+{
+  {
+    -1,
+    TYPE_STRING,                       CONF_VALUE_BYTES(1),
+    &xx_ei.description[0],             0,
+    &xx_num_description_bytes, MAX_ELEMENT_NAME_LEN, MAX_ELEMENT_NAME_LEN,
+  },
+
+  {
+    -1,
+    TYPE_BOOLEAN,                      CONF_VALUE_8_BIT(1),
+    &xx_ei.use_gfx_element,            FALSE
+  },
+  {
+    -1,
+    TYPE_ELEMENT,                      CONF_VALUE_16_BIT(1),
+    &xx_ei.gfx_element,                        EL_EMPTY_SPACE
+  },
+
+  {
+    -1,
+    TYPE_INTEGER,                      CONF_VALUE_8_BIT(2),
+    &xx_group.choice_mode,             ANIM_RANDOM
+  },
+
+  {
+    -1,
+    TYPE_ELEMENT_LIST,                 CONF_VALUE_BYTES(2),
+    &xx_group.element[0],              EL_EMPTY_SPACE,
+    &xx_group.num_elements,            1, MAX_ELEMENTS_IN_GROUP
+  },
+
+  {
+    -1,
+    -1,                                        -1,
+    NULL,                              -1,
   },
 };
 
@@ -296,34 +860,51 @@ static void setLevelInfoToDefaultsFromConfigList(struct LevelInfo *level)
 {
   int i;
 
-  li = *level;         /* copy level information into temporary buffer */
+  li = *level;         /* copy level data into temporary buffer */
 
-  for (i = 0; element_conf[i].element != -1; i++)
+  for (i = 0; element_conf[i].data_type != -1; i++)
   {
     int default_value = element_conf[i].default_value;
-    int type = element_conf[i].type;
-    int bytes = type & CONF_MASK_BYTES;
+    int data_type = element_conf[i].data_type;
+    int conf_type = element_conf[i].conf_type;
+    int byte_mask = conf_type & CONF_MASK_BYTES;
+
+    if (byte_mask == CONF_MASK_MULTI_BYTES)
+    {
+      int default_num_entities = element_conf[i].default_num_entities;
+      int max_num_entities = element_conf[i].max_num_entities;
+
+      *(int *)(element_conf[i].num_entities) = default_num_entities;
+
+      if (data_type == TYPE_ELEMENT_LIST)
+      {
+       int *element_array = (int *)(element_conf[i].value);
+       int j;
+
+       for (j = 0; j < max_num_entities; j++)
+         element_array[j] = default_value;
+      }
+      else if (data_type == TYPE_CONTENT_LIST)
+      {
+       struct Content *content = (struct Content *)(element_conf[i].value);
+       int c, x, y;
 
-    if (bytes != CONF_MASK_MULTI_BYTES)
+       for (c = 0; c < max_num_entities; c++)
+         for (y = 0; y < 3; y++)
+           for (x = 0; x < 3; x++)
+             content[c].e[x][y] = default_value;
+      }
+    }
+    else       /* constant size configuration data (1, 2 or 4 bytes) */
     {
-      if (CONF_VALUE_BOOLEAN(type))
+      if (data_type == TYPE_BOOLEAN)
        *(boolean *)(element_conf[i].value) = default_value;
       else
        *(int *)    (element_conf[i].value) = default_value;
     }
-    else if (type == CONF_VALUE_CONTENT_8)
-    {
-      struct Content *content = (struct Content *)(element_conf[i].value);
-      int c, x, y;
-
-      for (c = 0; c < MAX_ELEMENT_CONTENTS; c++)
-       for (y = 0; y < 3; y++)
-         for (x = 0; x < 3; x++)
-           content[c].e[x][y] = default_value;
-    }
   }
 
-  *level = li;         /* copy temporary buffer back to level information */
+  *level = li;         /* copy temporary buffer back to level data */
 }
 
 void setElementChangePages(struct ElementInfo *ei, int change_pages)
@@ -440,14 +1021,18 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
   level->biomaze[2] = 3;
   level->biomaze[3] = 3;
 
+#if 0
   level->double_speed = FALSE;
+#endif
   level->initial_gravity = FALSE;
   level->em_slippery_gems = FALSE;
   level->instant_relocation = FALSE;
   level->can_pass_to_walkable = FALSE;
   level->grow_into_diggable = TRUE;
 
+#if 0
   level->block_snap_field = TRUE;
+#endif
 
   level->block_last_field = FALSE;     /* EM does not block by default */
   level->sp_block_last_field = TRUE;   /* SP blocks the last field */
@@ -478,8 +1063,10 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
       for (y = 0; y < 3; y++)
        level->ball_content[i].e[x][y] = EL_EMPTY;
 #endif
+#if 0
   for (i = 0; i < 16; i++)
     level->android_array[i] = FALSE;
+#endif
 
   level->use_custom_template = FALSE;
 
@@ -595,8 +1182,13 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
       /* !!! 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
 
       /* now set default properties */
@@ -636,7 +1228,7 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
     return;
 
   /* try to determine better author name than 'anonymous' */
-  if (strcmp(leveldir_current->author, ANONYMOUS_NAME) != 0)
+  if (!strEqual(leveldir_current->author, ANONYMOUS_NAME))
   {
     strncpy(level->author, leveldir_current->author, MAX_LEVEL_AUTHOR_LEN);
     level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
@@ -677,9 +1269,15 @@ static void setFileInfoToDefaults(struct LevelFileInfo *level_file_info)
 
 static void ActivateLevelTemplate()
 {
+#if 1
+  /* 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
 }
 
 static char *getLevelFilenameFromBasename(char *basename)
@@ -838,7 +1436,7 @@ static int getFiletypeFromID(char *filetype_id)
   {
     char *id_lower = getStringToLower(filetype_id_list[i].id);
     
-    if (strcmp(filetype_id_lower, id_lower) == 0)
+    if (strEqual(filetype_id_lower, id_lower))
       filetype = filetype_id_list[i].filetype;
 
     free(id_lower);
@@ -1056,7 +1654,10 @@ static int LoadLevel_HEAD(FILE *file, int chunk_size, struct LevelInfo *level)
   level->time_magic_wall       = getFile8Bit(file);
   level->time_wheel            = getFile8Bit(file);
   level->amoeba_content                = getMappedElement(getFile8Bit(file));
-  level->double_speed          = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+
+  level->initial_player_stepsize = (getFile8Bit(file) == 1 ? STEPSIZE_FAST :
+                                   STEPSIZE_NORMAL);
+
   level->initial_gravity       = (getFile8Bit(file) == 1 ? TRUE : FALSE);
   level->encoding_16bit_field  = (getFile8Bit(file) == 1 ? TRUE : FALSE);
   level->em_slippery_gems      = (getFile8Bit(file) == 1 ? TRUE : FALSE);
@@ -1255,10 +1856,17 @@ static int LoadLevel_CUS1(FILE *file, int chunk_size, struct LevelInfo *level)
     int element = getFile16BitBE(file);
     int properties = getFile32BitBE(file);
 
+#if 1
+    if (IS_CUSTOM_ELEMENT(element))
+      element_info[element].properties[EP_BITFIELD_BASE] = properties;
+    else
+      Error(ERR_WARN, "invalid custom element number %d", element);
+#else
     if (IS_CUSTOM_ELEMENT(element))
       Properties[element][EP_BITFIELD_BASE] = properties;
     else
       Error(ERR_WARN, "invalid custom element number %d", element);
+#endif
   }
 
   return chunk_size;
@@ -1306,7 +1914,7 @@ static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level)
   {
     int element = getFile16BitBE(file);
     struct ElementInfo *ei = &element_info[element];
-    unsigned long event_bits;
+    unsigned int event_bits;
 
     if (!IS_CUSTOM_ELEMENT(element))
     {
@@ -1319,7 +1927,11 @@ 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] = getFile32BitBE(file);
+#else
     Properties[element][EP_BITFIELD_BASE] = getFile32BitBE(file);
+#endif
 
     /* some free bytes for future properties and padding */
     ReadUnusedBytesFromFile(file, 7);
@@ -1406,7 +2018,11 @@ 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] = getFile32BitBE(file);
+#else
   Properties[element][EP_BITFIELD_BASE] = getFile32BitBE(file);
+#endif
   ReadUnusedBytesFromFile(file, 4);    /* reserved for more base properties */
 
   ei->num_change_pages = getFile8Bit(file);
@@ -1469,7 +2085,7 @@ static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level)
   for (i = 0; i < ei->num_change_pages; i++)
   {
     struct ElementChangeInfo *change = &ei->change_page[i];
-    unsigned long event_bits;
+    unsigned int event_bits;
 
     /* always start with reliable default values */
     setElementChangeInfoToDefaults(change);
@@ -1545,74 +2161,219 @@ static int LoadLevel_GRP1(FILE *file, int chunk_size, struct LevelInfo *level)
     return chunk_size;
   }
 
-  ei = &element_info[element];
+  ei = &element_info[element];
+
+  for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+    ei->description[i] = getFile8Bit(file);
+  ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+  group = element_info[element].group;
+
+  group->num_elements = getFile8Bit(file);
+
+  ei->use_gfx_element = getFile8Bit(file);
+  ei->gfx_element = getMappedElement(getFile16BitBE(file));
+
+  group->choice_mode = getFile8Bit(file);
+
+  /* some free bytes for future values and padding */
+  ReadUnusedBytesFromFile(file, 3);
+
+  for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
+    group->element[i] = getMappedElement(getFile16BitBE(file));
+
+  /* mark this group element as modified */
+  element_info[element].modified_settings = TRUE;
+
+  return chunk_size;
+}
+
+static int LoadLevel_MicroChunk(FILE *file, struct ElementFileConfig *config,
+                               int element)
+{
+  int micro_chunk_size = 0;
+  int conf_type = getFile8Bit(file);
+  int byte_mask = conf_type & CONF_MASK_BYTES;
+  boolean element_found = FALSE;
+  int i;
+
+  micro_chunk_size += 1;
+
+  if (byte_mask == CONF_MASK_MULTI_BYTES)
+  {
+    int num_bytes = getFile16BitBE(file);
+    byte *buffer = checked_malloc(num_bytes);
+
+#if 1
+    printf("::: - found multi bytes\n");
+#endif
+
+    ReadBytesFromFile(file, buffer, num_bytes);
+
+    for (i = 0; config[i].data_type != -1; i++)
+    {
+      if (config[i].element == element &&
+         config[i].conf_type == conf_type)
+      {
+       int data_type = config[i].data_type;
+       int num_entities = num_bytes / CONF_ENTITY_NUM_BYTES(data_type);
+       int max_num_entities = config[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 *)(config[i].num_entities) = num_entities;
+
+       element_found = TRUE;
+
+       if (data_type == TYPE_ELEMENT_LIST)
+       {
+         int *element_array = (int *)(config[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 *)(config[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);
 
-  for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
-    ei->description[i] = getFile8Bit(file);
-  ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+    micro_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);
 
-  group = element_info[element].group;
+#if 1
+    printf("::: - found single bytes\n");
+#endif
 
-  group->num_elements = getFile8Bit(file);
+    for (i = 0; config[i].data_type != -1; i++)
+    {
+      if (config[i].element == element &&
+         config[i].conf_type == conf_type)
+      {
+       int data_type = config[i].data_type;
 
-  ei->use_gfx_element = getFile8Bit(file);
-  ei->gfx_element = getMappedElement(getFile16BitBE(file));
+       if (data_type == TYPE_BOOLEAN)
+         *(boolean *)(config[i].value) = value;
+       else
+         *(int *)    (config[i].value) = value;
 
-  group->choice_mode = getFile8Bit(file);
+       element_found = TRUE;
 
-  /* some free bytes for future values and padding */
-  ReadUnusedBytesFromFile(file, 3);
+       break;
+      }
+    }
 
-  for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
-    group->element[i] = getMappedElement(getFile16BitBE(file));
+    micro_chunk_size += CONF_VALUE_NUM_BYTES(byte_mask);
+  }
 
-  /* mark this group element as modified */
-  element_info[element].modified_settings = TRUE;
+  if (!element_found)
+    Error(ERR_WARN, "cannot load micro chunk value for element %d", element);
 
-  return chunk_size;
+  return micro_chunk_size;
 }
 
 static int LoadLevel_CONF(FILE *file, int chunk_size, struct LevelInfo *level)
 {
   int real_chunk_size = 0;
-  int i;
+
+#if 1
+  li = *level;         /* copy level data into temporary buffer */
+#endif
 
   while (!feof(file))
   {
     int element = getFile16BitBE(file);
-    int type = getFile8Bit(file);
-    int bytes = type & CONF_MASK_BYTES;
+#if 1
+    real_chunk_size += 2;
+    real_chunk_size += LoadLevel_MicroChunk(file, element_conf, 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;
 
-    li = *level;       /* copy level information into temporary buffer */
+#if 0
+    li = *level;       /* copy level data into temporary buffer */
+#endif
 
-    if (bytes == CONF_MASK_MULTI_BYTES)
+    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; element_conf[i].element != -1; i++)
+      for (i = 0; element_conf[i].data_type != -1; i++)
       {
        if (element_conf[i].element == element &&
-           element_conf[i].type    == type)
+           element_conf[i].conf_type == conf_type)
        {
+         int data_type = element_conf[i].data_type;
+         int num_entities = num_bytes / CONF_ENTITY_NUM_BYTES(data_type);
+         int max_num_entities = element_conf[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 *)(element_conf[i].num_entities) = num_entities;
+
          element_found = TRUE;
 
-         if (type == CONF_VALUE_CONTENT_8)
+         if (data_type == TYPE_ELEMENT_LIST)
+         {
+           int *element_array = (int *)(element_conf[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 *)(element_conf[i].value);
-           int num_contents = num_bytes / CONF_CONTENT_NUM_BYTES;
            int c, x, y;
 
-           for (c = 0; c < num_contents; c++)
+           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_CONTENT_ELEMENT(buffer, c, x, y));
+                   getMappedElement(CONF_CONTENTS_ELEMENT(buffer, c, x, y));
          }
          else
            element_found = FALSE;
@@ -1625,18 +2386,20 @@ static int LoadLevel_CONF(FILE *file, int chunk_size, struct LevelInfo *level)
 
       real_chunk_size += 2 + num_bytes;
     }
-    else
+    else       /* constant size configuration data (1, 2 or 4 bytes) */
     {
-      int value = (bytes == CONF_MASK_1_BYTE ? getFile8Bit   (file) :
-                  bytes == CONF_MASK_2_BYTE ? getFile16BitBE(file) :
-                  bytes == CONF_MASK_4_BYTE ? getFile32BitBE(file) : 0);
+      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; element_conf[i].element != -1; i++)
+      for (i = 0; element_conf[i].data_type != -1; i++)
       {
        if (element_conf[i].element == element &&
-           element_conf[i].type    == type)
+           element_conf[i].conf_type == conf_type)
        {
-         if (CONF_VALUE_BOOLEAN(type))
+         int data_type = element_conf[i].data_type;
+
+         if (data_type == TYPE_BOOLEAN)
            *(boolean *)(element_conf[i].value) = value;
          else
            *(int *)    (element_conf[i].value) = value;
@@ -1647,18 +2410,129 @@ static int LoadLevel_CONF(FILE *file, int chunk_size, struct LevelInfo *level)
        }
       }
 
-      real_chunk_size += CONF_VALUE_NUM_BYTES(bytes);
+      real_chunk_size += CONF_VALUE_NUM_BYTES(byte_mask);
     }
 
-    *level = li;       /* copy temporary buffer back to level information */
-
     if (!element_found)
       Error(ERR_WARN, "cannot load CONF value for element %d", element);
+#endif
+
+#if 0
+    *level = li;       /* copy temporary buffer back to level data */
+#endif
+
+#if 1
+    if (real_chunk_size >= chunk_size)
+      break;
+#else
+    if (conf_type == CONF_LAST_ENTRY || real_chunk_size >= chunk_size)
+      break;
+#endif
+  }
+
+#if 1
+  *level = li;         /* copy temporary buffer back to level data */
+#endif
+
+  return real_chunk_size;
+}
+
+static int LoadLevel_CUSX(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+  int element = getFile16BitBE(file);
+  int real_chunk_size = 2;
+  struct ElementInfo *ei = &element_info[element];
+
+#if 1
+  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;
+
+  while (!feof(file))
+  {
+    real_chunk_size += LoadLevel_MicroChunk(file, custom_element_conf, -1);
+
+#if 1
+    printf("::: - real_chunk_size now %d\n", real_chunk_size);
+#endif
+
+    if (xx_ei.num_change_pages != -1)
+      break;
+
+    if (real_chunk_size >= chunk_size)
+      break;
+  }
+
+  *ei = xx_ei;
+
+  if (ei->num_change_pages == -1)
+  {
+    Error(ERR_WARN, "LoadLevel_CUSX(): missing 'num_change_pages' for '%s'",
+         EL_NAME(element));
+
+    ei->num_change_pages = 1;
+    setElementChangePages(ei, 1);
+
+    return real_chunk_size;
+  }
+
+  setElementChangePages(ei, ei->num_change_pages);
 
-    if (type == CONF_LAST_ENTRY || real_chunk_size >= chunk_size)
+  xx_current_change_page = 0;
+
+  xx_event_bits_0_31 = 0;
+  xx_event_bits_32_63 = 0;
+
+  while (!feof(file))
+  {
+    struct ElementChangeInfo *change = &ei->change_page[xx_current_change_page];
+    int i;
+
+    xx_change = *change;       /* copy change data into temporary buffer */
+
+    real_chunk_size += LoadLevel_MicroChunk(file,custom_element_change_conf,-1);
+
+    *change = xx_change;
+
+    for (i = 0; i < NUM_CHANGE_EVENTS; i++)
+      if ((i <  32 && xx_event_bits_0_31  & (1 << i)) ||
+         (i >= 32 && xx_event_bits_32_63 & (1 << (i - 32))))
+       change->has_event[i] = TRUE;
+
+    xx_event_bits_0_31 = 0;
+    xx_event_bits_32_63 = 0;
+
+    if (real_chunk_size >= chunk_size)
+      break;
+  }
+
+  return real_chunk_size;
+}
+
+static int LoadLevel_GRPX(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+  int element = getFile16BitBE(file);
+  int real_chunk_size = 2;
+  struct ElementInfo *ei = &element_info[element];
+  struct ElementGroupInfo *group = ei->group;
+
+  xx_ei = *ei;         /* copy element data into temporary buffer */
+  xx_group = *group;   /* copy group data into temporary buffer */
+
+  while (!feof(file))
+  {
+    real_chunk_size += LoadLevel_MicroChunk(file, group_element_conf, -1);
+
+    if (real_chunk_size >= chunk_size)
       break;
   }
 
+  *ei = xx_ei;
+  *group = xx_group;
+
   return real_chunk_size;
 }
 
@@ -1682,12 +2556,12 @@ static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
   }
 
   getFileChunkBE(file, chunk_name, NULL);
-  if (strcmp(chunk_name, "RND1") == 0)
+  if (strEqual(chunk_name, "RND1"))
   {
     getFile32BitBE(file);              /* not used */
 
     getFileChunkBE(file, chunk_name, NULL);
-    if (strcmp(chunk_name, "CAVE") != 0)
+    if (!strEqual(chunk_name, "CAVE"))
     {
       level->no_valid_file = TRUE;
 
@@ -1754,6 +2628,10 @@ static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
       { "CUS4", -1,                    LoadLevel_CUS4 },
       { "GRP1", -1,                    LoadLevel_GRP1 },
       { "CONF", -1,                    LoadLevel_CONF },
+#if 1
+      { "CUSX", -1,                    LoadLevel_CUSX },
+      { "GRPX", -1,                    LoadLevel_GRPX },
+#endif
 
       {  NULL,  0,                     NULL }
     };
@@ -1763,7 +2641,7 @@ static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
       int i = 0;
 
       while (chunk_info[i].name != NULL &&
-            strcmp(chunk_name, chunk_info[i].name) != 0)
+            !strEqual(chunk_name, chunk_info[i].name))
        i++;
 
       if (chunk_info[i].name == NULL)
@@ -2241,10 +3119,17 @@ void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
   };
   struct LevelInfo_EM *level_em = level->native_em_level;
   struct LEVEL *lev = level_em->lev;
-  struct PLAYER *ply1 = level_em->ply1;
-  struct PLAYER *ply2 = level_em->ply2;
+  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);
 
@@ -2297,14 +3182,64 @@ 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++)
+      for (x = 0; x < lev->width + 2; x++)
+       level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_STEELWALL);
+  }
+
+  /* then copy the real level contents from level file into 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]);
+    int offset = (BorderElement == EL_STEELWALL ? 1 : 0);
+    int xx = x + 1 + offset;
+    int yy = y + 1 + offset;
+
+    if (level->field[x][y] == EL_AMOEBA_DEAD)
+      new_element = map_element_RND_to_EM(EL_AMOEBA_WET);
+
+    level_em->cave[xx][yy] = new_element;
+  }
+
+#else
+
   /* then copy the real level contents from level file into the playfield */
   for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++)
   {
@@ -2316,15 +3251,46 @@ void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
     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;
+
+      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]))
@@ -2348,6 +3314,17 @@ void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
       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
   }
 }
 
@@ -2366,8 +3343,7 @@ void CopyNativeLevel_EM_to_RND(struct LevelInfo *level)
   };
   struct LevelInfo_EM *level_em = level->native_em_level;
   struct LEVEL *lev = level_em->lev;
-  struct PLAYER *ply1 = level_em->ply1;
-  struct PLAYER *ply2 = level_em->ply2;
+  struct PLAYER **ply = level_em->ply;
   int i, j, x, y;
 
   level->fieldx = MIN(lev->width,  MAX_LEV_FIELDX);
@@ -2418,13 +3394,33 @@ 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++)
@@ -2437,13 +3433,50 @@ 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 */
+    int nr = MAX_PLAYERS - i - 1;
+    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,
@@ -2461,6 +3494,30 @@ void CopyNativeLevel_RND_to_Native(struct LevelInfo *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);
 }
@@ -2617,8 +3674,12 @@ static void LoadLevelFromFileStream_SP(FILE *file, struct LevelInfo *level,
   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;               /* !!! CORRECT THIS !!! */
+#endif
 
   /* there are no yamyams in supaplex levels */
   for (i = 0; i < level->num_yamyam_contents; i++)
@@ -2721,7 +3782,7 @@ static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
 
     if (reading_multipart_level &&
        (!is_multipart_level ||
-        strcmp(level->name, multipart_level.name) != 0))
+        !strEqual(level->name, multipart_level.name)))
     {
       /* we are already reading parts of a multi-part level, but this level is
         either not a multi-part level, or a part of a different multi-part
@@ -2843,10 +3904,15 @@ void LoadLevelFromFileInfo(struct LevelInfo *level,
   if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN)
     level->game_engine_type = GAME_ENGINE_TYPE_RND;
 
+#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
 }
 
 void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
@@ -2868,6 +3934,19 @@ static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename)
   if (leveldir_current == NULL)                /* only when dumping level */
     return;
 
+  /* 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;
+  }
+#endif
+
+#if 0
+  leveldir_current->latest_engine = TRUE;      /* !!! TEST ONLY !!! */
+#endif
+
   if (leveldir_current->latest_engine)
   {
     /* ---------- use latest game engine ----------------------------------- */
@@ -2909,7 +3988,7 @@ static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename)
 
   /* player was faster than enemies in 1.0.0 and before */
   if (level->file_version == FILE_VERSION_1_0)
-    level->double_speed = TRUE;
+    level->initial_player_stepsize = 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))
@@ -2930,8 +4009,16 @@ static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename)
     /* extra time score was same value as time left score before 3.2.0-5 */
     level->extra_time_score = level->score[SC_TIME_BONUS];
 
+#if 0
     /* time bonus score was given for 10 s instead of 1 s before 3.2.0-5 */
     level->score[SC_TIME_BONUS] /= 10;
+#endif
+  }
+
+  if (level->game_version < VERSION_IDENT(3,2,0,7))
+  {
+    /* default behaviour for snapping was "not continuous" before 3.2.0-7 */
+    level->continuous_snapping = FALSE;
   }
 
   /* only few elements were able to actively move into acid before 3.1.0 */
@@ -2985,6 +4072,7 @@ static void LoadLevel_InitElements(struct LevelInfo *level, char *filename)
       int element = EL_CUSTOM_START + i;
 
       /* order of checking and copying events to be mapped is important */
+      /* (do not change the start and end value -- they are constant) */
       for (j = CE_BY_OTHER_ACTION; j >= CE_VALUE_GETS_ZERO; j--)
       {
        if (HAS_CHANGE_EVENT(element, j - 2))
@@ -2995,6 +4083,7 @@ static void LoadLevel_InitElements(struct LevelInfo *level, char *filename)
       }
 
       /* order of checking and copying events to be mapped is important */
+      /* (do not change the start and end value -- they are constant) */
       for (j = CE_PLAYER_COLLECTS_X; j >= CE_HITTING_SOMETHING; j--)
       {
        if (HAS_CHANGE_EVENT(element, j - 1))
@@ -3134,6 +4223,21 @@ static void LoadLevel_InitPlayfield(struct LevelInfo *level, char *filename)
   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)
 {
   char *filename;
@@ -3164,6 +4268,8 @@ void LoadLevel(int nr)
   LoadLevel_InitVersion(&level, filename);
   LoadLevel_InitElements(&level, filename);
   LoadLevel_InitPlayfield(&level, filename);
+
+  LoadLevel_InitNativeEngines(&level, filename);
 }
 
 static void SaveLevel_VERS(FILE *file, struct LevelInfo *level)
@@ -3198,7 +4304,7 @@ static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
   putFile8Bit(file, level->time_wheel);
   putFile8Bit(file, (level->encoding_16bit_amoeba ? EL_EMPTY :
                     level->amoeba_content));
-  putFile8Bit(file, (level->double_speed ? 1 : 0));
+  putFile8Bit(file, (level->initial_player_stepsize == STEPSIZE_FAST ? 1 : 0));
   putFile8Bit(file, (level->initial_gravity ? 1 : 0));
   putFile8Bit(file, (level->encoding_16bit_field ? 1 : 0));
   putFile8Bit(file, (level->em_slippery_gems ? 1 : 0));
@@ -3342,6 +4448,20 @@ 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] != EP_BITMASK_DEFAULT)
+    {
+      if (check < num_changed_custom_elements)
+      {
+       putFile16BitBE(file, element);
+       putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE]);
+      }
+
+      check++;
+    }
+#else
     if (Properties[element][EP_BITFIELD_BASE] != EP_BITMASK_DEFAULT)
     {
       if (check < num_changed_custom_elements)
@@ -3352,6 +4472,7 @@ static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level,
 
       check++;
     }
+#endif
   }
 
   if (check != num_changed_custom_elements)    /* should not happen */
@@ -3410,7 +4531,11 @@ 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]);
+#else
        putFile32BitBE(file, Properties[element][EP_BITFIELD_BASE]);
+#endif
 
        /* some free bytes for future properties and padding */
        WriteUnusedBytesToFile(file, 7);
@@ -3483,7 +4608,11 @@ 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]);
+#else
   putFile32BitBE(file, Properties[element][EP_BITFIELD_BASE]);
+#endif
   WriteUnusedBytesToFile(file, 4);     /* reserved for more base properties */
 
   putFile8Bit(file, ei->num_change_pages);
@@ -3537,7 +4666,7 @@ static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
   for (i = 0; i < ei->num_change_pages; i++)
   {
     struct ElementChangeInfo *change = &ei->change_page[i];
-    unsigned long event_bits;
+    unsigned int event_bits;
 
     /* bits 0 - 31 of "has_event[]" ... */
     event_bits = 0;
@@ -3613,14 +4742,16 @@ static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element)
     putFile16BitBE(file, group->element[i]);
 }
 
-static int SaveLevel_CONF_Value(FILE *file, int pos)
+static int SaveLevel_MicroChunk_SingleValue(FILE *file,
+                                           struct ElementFileConfig *entry)
 {
-  int default_value = element_conf[pos].default_value;
-  int element = element_conf[pos].element;
-  int type = element_conf[pos].type;
-  int bytes = type & CONF_MASK_BYTES;
-  void *value_ptr = element_conf[pos].value;
-  int value = (CONF_VALUE_BOOLEAN(type) ? *(boolean *)value_ptr :
+  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;
@@ -3632,24 +4763,63 @@ static int SaveLevel_CONF_Value(FILE *file, int pos)
   if (!modified)               /* do not save unmodified default settings */
     return 0;
 
-  if (bytes == CONF_MASK_MULTI_BYTES)
-    Error(ERR_EXIT, "SaveLevel_CONF_Value: cannot save multi-byte values");
+#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 ElementFileConfig *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 += putFile16BitBE(file, element);
-  num_bytes += putFile8Bit(file, type);
-  num_bytes += (bytes == CONF_MASK_1_BYTE ? putFile8Bit   (file, value) :
-               bytes == CONF_MASK_2_BYTE ? putFile16BitBE(file, value) :
-               bytes == CONF_MASK_4_BYTE ? putFile32BitBE(file, value) : 0);
+  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_CONF_Content(FILE *file, int pos, int num_contents)
+static int SaveLevel_MicroChunk_ContentList(FILE *file,
+                                           struct ElementFileConfig *entry)
 {
-  struct Content *content = (struct Content *)(element_conf[pos].value);
-  int default_value = element_conf[pos].default_value;
-  int element = element_conf[pos].element;
-  int type = element_conf[pos].type;
+  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;
@@ -3664,8 +4834,10 @@ static int SaveLevel_CONF_Content(FILE *file, int pos, int num_contents)
   if (!modified)               /* do not save unmodified default settings */
     return 0;
 
-  num_bytes += putFile16BitBE(file, element);
-  num_bytes += putFile8Bit(file, type);
+  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++)
@@ -3681,17 +4853,138 @@ static int SaveLevel_CONF(FILE *file, struct LevelInfo *level)
   int chunk_size = 0;
   int i;
 
-  li = *level;         /* copy level information into temporary buffer */
+  li = *level;         /* copy level data into temporary buffer */
+
+  for (i = 0; element_conf[i].data_type != -1; i++)
+  {
+    struct ElementFileConfig *config = &element_conf[i];
+    int data_type = config->data_type;
+    int conf_type = config->conf_type;
+    int byte_mask = conf_type & CONF_MASK_BYTES;
+
+    if (byte_mask != CONF_MASK_MULTI_BYTES)
+      chunk_size += SaveLevel_MicroChunk_SingleValue(file, config);
+    else if (data_type == TYPE_ELEMENT_LIST)
+      chunk_size += SaveLevel_MicroChunk_ElementList(file, config);
+    else if (data_type == TYPE_CONTENT_LIST)
+      chunk_size += SaveLevel_MicroChunk_ContentList(file, config);
+  }
+
+  return chunk_size;
+}
+
+static int SaveLevel_CUSX(FILE *file, struct LevelInfo *level, int element)
+{
+  struct ElementInfo *ei = &element_info[element];
+  int chunk_size = 0;
+  int i;
+
+  chunk_size += putFile16BitBE(file, element);
+
+  xx_ei = *ei;         /* copy element data into temporary buffer */
+
+  xx_num_description_bytes = MAX_ELEMENT_NAME_LEN;
+  xx_num_contents = 1;
+
+#if 0
+  printf("::: - element config\n");
+#endif
+
+  for (i = 0; custom_element_conf[i].data_type != -1; i++)
+  {
+    struct ElementFileConfig *config = &custom_element_conf[i];
+    int data_type = config->data_type;
+    int conf_type = config->conf_type;
+    int byte_mask = conf_type & CONF_MASK_BYTES;
+
+    if (byte_mask != CONF_MASK_MULTI_BYTES)
+      chunk_size += SaveLevel_MicroChunk_SingleValue(file, config);
+    else if (data_type == TYPE_ELEMENT_LIST)
+      chunk_size += SaveLevel_MicroChunk_ElementList(file, config);
+    else if (data_type == TYPE_CONTENT_LIST)
+      chunk_size += SaveLevel_MicroChunk_ContentList(file, config);
+  }
+
+#if 0
+  printf("::: - change pages\n");
+#endif
+
+  for (i = 0; i < ei->num_change_pages; i++)
+  {
+    struct ElementChangeInfo *change = &ei->change_page[i];
+
+    xx_current_change_page = i;
+
+    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
+
+    xx_event_bits_0_31 = 0;
+    xx_event_bits_32_63 = 0;
+
+    for (i = 0; i < NUM_CHANGE_EVENTS; i++)
+    {
+      if (change->has_event[i])
+      {
+       if (i < 32)
+         xx_event_bits_0_31 |= (1 << i);
+       else
+         xx_event_bits_32_63 |= (1 << (i - 32));
+      }
+    }
+
+    for (i = 0; custom_element_change_conf[i].data_type != -1; i++)
+    {
+      struct ElementFileConfig *config = &custom_element_change_conf[i];
+      int data_type = config->data_type;
+      int conf_type = config->conf_type;
+      int byte_mask = conf_type & CONF_MASK_BYTES;
+
+      if (byte_mask != CONF_MASK_MULTI_BYTES)
+       chunk_size += SaveLevel_MicroChunk_SingleValue(file, config);
+      else if (data_type == TYPE_ELEMENT_LIST)
+       chunk_size += SaveLevel_MicroChunk_ElementList(file, config);
+      else if (data_type == TYPE_CONTENT_LIST)
+       chunk_size += SaveLevel_MicroChunk_ContentList(file, config);
+    }
+  }
+
+  return chunk_size;
+}
+
+static int SaveLevel_GRPX(FILE *file, struct LevelInfo *level, int element)
+{
+  struct ElementInfo *ei = &element_info[element];
+  struct ElementGroupInfo *group = ei->group;
+  int chunk_size = 0;
+  int i;
+
+  chunk_size += putFile16BitBE(file, element);
+
+  xx_ei = *ei;         /* copy element data into temporary buffer */
+  xx_group = *group;   /* copy group data into temporary buffer */
 
-  for (i = 0; element_conf[i].element != -1; i++)
+  xx_num_description_bytes = MAX_ELEMENT_NAME_LEN;
+  xx_num_contents = 1;
+
+  for (i = 0; group_element_conf[i].data_type != -1; i++)
   {
-    int type = element_conf[i].type;
-    int bytes = type & CONF_MASK_BYTES;
+    struct ElementFileConfig *config = &group_element_conf[i];
+    int data_type = config->data_type;
+    int conf_type = config->conf_type;
+    int byte_mask = conf_type & CONF_MASK_BYTES;
 
-    if (bytes != CONF_MASK_MULTI_BYTES)
-      chunk_size += SaveLevel_CONF_Value(file, i);
-    else if (type == CONF_VALUE_CONTENT_8)
-      chunk_size += SaveLevel_CONF_Content(file, i, MAX_ELEMENT_CONTENTS);
+    if (byte_mask != CONF_MASK_MULTI_BYTES)
+      chunk_size += SaveLevel_MicroChunk_SingleValue(file, config);
+    else if (data_type == TYPE_ELEMENT_LIST)
+      chunk_size += SaveLevel_MicroChunk_ElementList(file, config);
+    else if (data_type == TYPE_CONTENT_LIST)
+      chunk_size += SaveLevel_MicroChunk_ContentList(file, config);
   }
 
   return chunk_size;
@@ -3776,9 +5069,10 @@ static void SaveLevelFromFilename(struct LevelInfo *level, char *filename)
     }
   }
 
-  /* check for non-default custom elements (unless using template level) */
+  /* if not using template level, check for non-default custom/group elements */
   if (!level->use_custom_template)
   {
+#if 1
     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
     {
       int element = EL_CUSTOM_START + i;
@@ -3791,11 +5085,9 @@ static void SaveLevelFromFilename(struct LevelInfo *level, char *filename)
        SaveLevel_CUS4(file, level, element);
       }
     }
-  }
+#endif
 
-  /* check for non-default group elements (unless using template level) */
-  if (!level->use_custom_template)
-  {
+#if 1
     for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
     {
       int element = EL_GROUP_START + i;
@@ -3806,17 +5098,75 @@ static void SaveLevelFromFilename(struct LevelInfo *level, char *filename)
        SaveLevel_GRP1(file, level, element);
       }
     }
+#endif
   }
 
-  conf_chunk_size = SaveLevel_CONF(NULL, level);       /* get chunk size */
+  conf_chunk_size = SaveLevel_CONF(NULL, level);
 
-  /* check for non-default configuration settings to be saved in CONF chunk */
+  /* check if non-default element settings need to be saved */
   if (conf_chunk_size > 0)
   {
     putFileChunkBE(file, "CONF", conf_chunk_size);
     SaveLevel_CONF(file, level);
   }
 
+  /* if not using template level, check for non-default custom/group elements */
+  if (!level->use_custom_template)
+  {
+    /* (element number, number of change pages, change page number) */
+    int cusx_chunk_size_no_changes = (2) + (1 + 1) + (1 + 1);
+    /* (element number only) */
+    int grpx_chunk_size_no_changes = (2);
+
+#if 1
+    for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+    {
+      int element = EL_CUSTOM_START + i;
+      int cusx_chunk_size = SaveLevel_CUSX(NULL, level, element);
+
+      /* check if non-default element settings need to be saved */
+      if (cusx_chunk_size > cusx_chunk_size_no_changes)
+      {
+#if 1
+       printf("::: SAVING CE %d\n", i + 1);
+#endif
+
+       putFileChunkBE(file, "CUSX", cusx_chunk_size);
+       SaveLevel_CUSX(file, level, element);
+      }
+
+#if 0
+      if (i == 1)
+       break;
+#endif
+    }
+#endif
+
+#if 1
+    for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
+    {
+      int element = EL_GROUP_START + i;
+      int grpx_chunk_size = SaveLevel_GRPX(NULL, level, element);
+
+      /* check if non-default element settings need to be saved */
+      if (grpx_chunk_size > grpx_chunk_size_no_changes)
+      {
+#if 1
+       printf("::: SAVING GE %d\n", i + 1);
+#endif
+
+       putFileChunkBE(file, "GRPX", grpx_chunk_size);
+       SaveLevel_GRPX(file, level, element);
+      }
+
+#if 0
+      if (i == 1)
+       break;
+#endif
+    }
+#endif
+  }
+
   fclose(file);
 
   SetFilePermissions(filename, PERMS_PRIVATE);
@@ -3866,7 +5216,7 @@ void DumpLevel(struct LevelInfo *level)
   printf("Amoeba speed: %d\n", level->amoeba_speed);
   printf("\n");
   printf("Initial gravity:             %s\n", (level->initial_gravity ? "yes" : "no"));
-  printf("Double speed movement:       %s\n", (level->double_speed ? "yes" : "no"));
+  printf("Initial player stepsize:     %d\n", level->initial_player_stepsize);
   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"));
@@ -4076,12 +5426,12 @@ void LoadTapeFromFilename(char *filename)
   }
 
   getFileChunkBE(file, chunk_name, NULL);
-  if (strcmp(chunk_name, "RND1") == 0)
+  if (strEqual(chunk_name, "RND1"))
   {
     getFile32BitBE(file);              /* not used */
 
     getFileChunkBE(file, chunk_name, NULL);
-    if (strcmp(chunk_name, "TAPE") != 0)
+    if (!strEqual(chunk_name, "TAPE"))
     {
       tape.no_valid_file = TRUE;
 
@@ -4147,7 +5497,7 @@ void LoadTapeFromFilename(char *filename)
       int i = 0;
 
       while (chunk_info[i].name != NULL &&
-            strcmp(chunk_name, chunk_info[i].name) != 0)
+            !strEqual(chunk_name, chunk_info[i].name))
        i++;
 
       if (chunk_info[i].name == NULL)
@@ -4324,6 +5674,7 @@ void SaveTape(int nr)
 
 void DumpTape(struct TapeInfo *tape)
 {
+  int tape_frame_counter;
   int i, j;
 
   if (tape->no_valid_file)
@@ -4341,12 +5692,14 @@ void DumpTape(struct TapeInfo *tape)
   printf("Level series identifier: '%s'\n", tape->level_identifier);
   printf_line("-", 79);
 
+  tape_frame_counter = 0;
+
   for (i = 0; i < tape->length; i++)
   {
     if (i >= MAX_TAPE_LEN)
       break;
 
-    printf("%03d: ", i);
+    printf("%04d: ", i);
 
     for (j = 0; j < MAX_PLAYERS; j++)
     {
@@ -4365,7 +5718,10 @@ void DumpTape(struct TapeInfo *tape)
       }
     }
 
-    printf("(%03d)\n", tape->pos[i].delay);
+    printf("(%03d) ", tape->pos[i].delay);
+    printf("[%05d]\n", tape_frame_counter);
+
+    tape_frame_counter += tape->pos[i].delay;
   }
 
   printf_line("-", 79);
@@ -4471,21 +5827,26 @@ void SaveScore(int nr)
 #define SETUP_TOKEN_SOFT_SCROLLING             7
 #define SETUP_TOKEN_FADING                     8
 #define SETUP_TOKEN_AUTORECORD                 9
-#define SETUP_TOKEN_QUICK_DOORS                        10
-#define SETUP_TOKEN_TEAM_MODE                  11
-#define SETUP_TOKEN_HANDICAP                   12
-#define SETUP_TOKEN_SKIP_LEVELS                        13
-#define SETUP_TOKEN_TIME_LIMIT                 14
-#define SETUP_TOKEN_FULLSCREEN                 15
-#define SETUP_TOKEN_ASK_ON_ESCAPE              16
-#define SETUP_TOKEN_GRAPHICS_SET               17
-#define SETUP_TOKEN_SOUNDS_SET                 18
-#define SETUP_TOKEN_MUSIC_SET                  19
-#define SETUP_TOKEN_OVERRIDE_LEVEL_GRAPHICS    20
-#define SETUP_TOKEN_OVERRIDE_LEVEL_SOUNDS      21
-#define SETUP_TOKEN_OVERRIDE_LEVEL_MUSIC       22
-
-#define NUM_GLOBAL_SETUP_TOKENS                        23
+#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
 
 /* editor setup */
 #define SETUP_TOKEN_EDITOR_EL_BOULDERDASH      0
@@ -4501,15 +5862,39 @@ void SaveScore(int nr)
 #define SETUP_TOKEN_EDITOR_EL_HEADLINES                10
 #define SETUP_TOKEN_EDITOR_EL_USER_DEFINED     11
 #define SETUP_TOKEN_EDITOR_EL_DYNAMIC          12
-
-#define NUM_EDITOR_SETUP_TOKENS                        13
+#define SETUP_TOKEN_EDITOR_SHOW_ELEMENT_TOKEN  13
+
+#define NUM_EDITOR_SETUP_TOKENS                        14
+
+/* editor cascade setup */
+#define SETUP_TOKEN_EDITOR_CASCADE_BD          0
+#define SETUP_TOKEN_EDITOR_CASCADE_EM          1
+#define SETUP_TOKEN_EDITOR_CASCADE_EMC         2
+#define SETUP_TOKEN_EDITOR_CASCADE_RND         3
+#define SETUP_TOKEN_EDITOR_CASCADE_SB          4
+#define SETUP_TOKEN_EDITOR_CASCADE_SP          5
+#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 NUM_EDITOR_CASCADE_SETUP_TOKENS                14
 
 /* shortcut setup */
 #define SETUP_TOKEN_SHORTCUT_SAVE_GAME         0
 #define SETUP_TOKEN_SHORTCUT_LOAD_GAME         1
 #define SETUP_TOKEN_SHORTCUT_TOGGLE_PAUSE      2
+#define SETUP_TOKEN_SHORTCUT_FOCUS_PLAYER_1    3
+#define SETUP_TOKEN_SHORTCUT_FOCUS_PLAYER_2    4
+#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 NUM_SHORTCUT_SETUP_TOKENS              3
+#define NUM_SHORTCUT_SETUP_TOKENS              8
 
 /* player setup */
 #define SETUP_TOKEN_PLAYER_USE_JOYSTICK                0
@@ -4545,6 +5930,7 @@ void SaveScore(int nr)
 
 static struct SetupInfo si;
 static struct SetupEditorInfo sei;
+static struct SetupEditorCascadeInfo seci;
 static struct SetupShortcutInfo ssi;
 static struct SetupInputInfo sii;
 static struct SetupSystemInfo syi;
@@ -4562,6 +5948,7 @@ static struct TokenInfo global_setup_tokens[] =
   { 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"                      },
@@ -4569,6 +5956,10 @@ static struct TokenInfo global_setup_tokens[] =
   { 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"                     },
@@ -4592,13 +5983,36 @@ static struct TokenInfo editor_setup_tokens[] =
   { TYPE_SWITCH, &sei.el_headlines,    "editor.el_headlines"           },
   { TYPE_SWITCH, &sei.el_user_defined, "editor.el_user_defined"        },
   { TYPE_SWITCH, &sei.el_dynamic,      "editor.el_dynamic"             },
+  { TYPE_SWITCH, &sei.show_element_token,"editor.show_element_token"   },
+};
+
+static struct TokenInfo editor_cascade_setup_tokens[] =
+{
+  { TYPE_SWITCH, &seci.el_bd,          "editor.cascade.el_bd"          },
+  { TYPE_SWITCH, &seci.el_em,          "editor.cascade.el_em"          },
+  { TYPE_SWITCH, &seci.el_emc,         "editor.cascade.el_emc"         },
+  { TYPE_SWITCH, &seci.el_rnd,         "editor.cascade.el_rnd"         },
+  { TYPE_SWITCH, &seci.el_sb,          "editor.cascade.el_sb"          },
+  { TYPE_SWITCH, &seci.el_sp,          "editor.cascade.el_sp"          },
+  { 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_ce,          "editor.cascade.el_ce"          },
+  { TYPE_SWITCH, &seci.el_ge,          "editor.cascade.el_ge"          },
+  { TYPE_SWITCH, &seci.el_user,                "editor.cascade.el_user"        },
+  { TYPE_SWITCH, &seci.el_dynamic,     "editor.cascade.el_dynamic"     },
 };
 
 static struct TokenInfo shortcut_setup_tokens[] =
 {
   { TYPE_KEY_X11, &ssi.save_game,      "shortcut.save_game"            },
   { TYPE_KEY_X11, &ssi.load_game,      "shortcut.load_game"            },
-  { TYPE_KEY_X11, &ssi.toggle_pause,   "shortcut.toggle_pause"         }
+  { TYPE_KEY_X11, &ssi.toggle_pause,   "shortcut.toggle_pause"         },
+  { TYPE_KEY_X11, &ssi.focus_player[0],        "shortcut.focus_player_1"       },
+  { TYPE_KEY_X11, &ssi.focus_player[1],        "shortcut.focus_player_2"       },
+  { 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"    },
 };
 
 static struct TokenInfo player_setup_tokens[] =
@@ -4618,18 +6032,18 @@ static struct TokenInfo player_setup_tokens[] =
   { TYPE_KEY_X11, &sii.key.up,         ".key.move_up"                  },
   { TYPE_KEY_X11, &sii.key.down,       ".key.move_down"                },
   { TYPE_KEY_X11, &sii.key.snap,       ".key.snap_field"               },
-  { TYPE_KEY_X11, &sii.key.drop,       ".key.place_bomb"               }
+  { TYPE_KEY_X11, &sii.key.drop,       ".key.place_bomb"               },
 };
 
 static struct TokenInfo system_setup_tokens[] =
 {
   { TYPE_STRING,  &syi.sdl_audiodriver,        "system.sdl_audiodriver"        },
-  { TYPE_INTEGER, &syi.audio_fragment_size,"system.audio_fragment_size"        }
+  { TYPE_INTEGER, &syi.audio_fragment_size,"system.audio_fragment_size"        },
 };
 
 static struct TokenInfo options_setup_tokens[] =
 {
-  { TYPE_BOOLEAN, &soi.verbose,                "options.verbose"               }
+  { TYPE_BOOLEAN, &soi.verbose,                "options.verbose"               },
 };
 
 static char *get_corrected_login_name(char *login_name)
@@ -4664,6 +6078,7 @@ static void setSetupInfoToDefaults(struct SetupInfo *si)
   si->soft_scrolling = TRUE;
   si->fading = FALSE;
   si->autorecord = TRUE;
+  si->show_titlescreen = TRUE;
   si->quick_doors = FALSE;
   si->team_mode = FALSE;
   si->handicap = TRUE;
@@ -4671,6 +6086,10 @@ static void setSetupInfoToDefaults(struct SetupInfo *si)
   si->time_limit = TRUE;
   si->fullscreen = FALSE;
   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->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
   si->sounds_set = getStringCopy(SND_CLASSIC_SUBDIR);
@@ -4694,10 +6113,18 @@ static void setSetupInfoToDefaults(struct SetupInfo *si)
   si->editor.el_user_defined = FALSE;
   si->editor.el_dynamic = TRUE;
 
+  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.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;
+
   for (i = 0; i < MAX_PLAYERS; i++)
   {
     si->input[i].use_joystick = FALSE;
@@ -4724,6 +6151,24 @@ static void setSetupInfoToDefaults(struct SetupInfo *si)
   si->options.verbose = FALSE;
 }
 
+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_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;
+}
+
 static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
 {
   int i, pnr;
@@ -4786,6 +6231,22 @@ static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
   setup.options = soi;
 }
 
+static void decodeSetupFileHash_EditorCascade(SetupFileHash *setup_file_hash)
+{
+  int i;
+
+  if (!setup_file_hash)
+    return;
+
+  /* editor cascade setup */
+  seci = setup.editor_cascade;
+  for (i = 0; i < NUM_EDITOR_CASCADE_SETUP_TOKENS; i++)
+    setSetupInfo(editor_cascade_setup_tokens, i,
+                getHashEntry(setup_file_hash,
+                             editor_cascade_setup_tokens[i].text));
+  setup.editor_cascade = seci;
+}
+
 void LoadSetup()
 {
   char *filename = getSetupFilename();
@@ -4800,7 +6261,7 @@ void LoadSetup()
   {
     char *player_name_new;
 
-    checkSetupFileHashIdentifier(setup_file_hash, getCookie("SETUP"));
+    checkSetupFileHashIdentifier(setup_file_hash, filename,getCookie("SETUP"));
     decodeSetupFileHash(setup_file_hash);
 
     setup.direct_draw = !setup.double_buffering;
@@ -4816,6 +6277,27 @@ void LoadSetup()
     Error(ERR_WARN, "using default setup values");
 }
 
+void LoadSetup_EditorCascade()
+{
+  char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
+  SetupFileHash *setup_file_hash = NULL;
+
+  /* always start with reliable default values */
+  setSetupInfoToDefaults_EditorCascade(&setup);
+
+  setup_file_hash = loadSetupFileHash(filename);
+
+  if (setup_file_hash)
+  {
+    checkSetupFileHashIdentifier(setup_file_hash, filename,getCookie("SETUP"));
+    decodeSetupFileHash_EditorCascade(setup_file_hash);
+
+    freeSetupFileHash(setup_file_hash);
+  }
+
+  free(filename);
+}
+
 void SaveSetup()
 {
   char *filename = getSetupFilename();
@@ -4888,6 +6370,37 @@ void SaveSetup()
   SetFilePermissions(filename, PERMS_PRIVATE);
 }
 
+void SaveSetup_EditorCascade()
+{
+  char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
+  FILE *file;
+  int i;
+
+  InitUserDataDirectory();
+
+  if (!(file = fopen(filename, MODE_WRITE)))
+  {
+    Error(ERR_WARN, "cannot write editor cascade state file '%s'", filename);
+    free(filename);
+    return;
+  }
+
+  fprintf(file, "%s\n", getFormattedSetupEntry(TOKEN_STR_FILE_IDENTIFIER,
+                                              getCookie("SETUP")));
+  fprintf(file, "\n");
+
+  seci = setup.editor_cascade;
+  fprintf(file, "\n");
+  for (i = 0; i < NUM_EDITOR_SETUP_TOKENS; i++)
+    fprintf(file, "%s\n", getSetupLine(editor_cascade_setup_tokens, "", i));
+
+  fclose(file);
+
+  SetFilePermissions(filename, PERMS_PRIVATE);
+
+  free(filename);
+}
+
 void LoadCustomElementDescriptions()
 {
   char *filename = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
@@ -4920,19 +6433,14 @@ void LoadCustomElementDescriptions()
   freeSetupFileHash(setup_file_hash);
 }
 
-void LoadSpecialMenuDesignSettings()
+static void LoadSpecialMenuDesignSettingsFromFilename(char *filename)
 {
-  char *filename = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
   SetupFileHash *setup_file_hash;
-  int i, j;
+  int i;
 
-  /* 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 (strcmp(image_config_vars[i].token, image_config[j].token) == 0)
-       *image_config_vars[i].value =
-         get_auto_parameter_value(image_config_vars[i].token,
-                                  image_config[j].value);
+#if 0
+  printf("LoadSpecialMenuDesignSettings from file '%s' ...\n", filename);
+#endif
 
   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
     return;
@@ -4965,6 +6473,42 @@ void LoadSpecialMenuDesignSettings()
   freeSetupFileHash(setup_file_hash);
 }
 
+void LoadSpecialMenuDesignSettings()
+{
+  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);
+
+#if 1
+  if (!SETUP_OVERRIDE_ARTWORK(setup, ARTWORK_TYPE_GRAPHICS))
+  {
+    /* first look for special settings configured in level series config */
+    filename_base = getCustomArtworkLevelConfigFilename(ARTWORK_TYPE_GRAPHICS);
+
+    if (fileExists(filename_base))
+      LoadSpecialMenuDesignSettingsFromFilename(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);
+
+  LoadSpecialMenuDesignSettingsFromFilename(filename_local);
+#endif
+}
+
 void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
 {
   char *filename = getEditorSetupFilename();
@@ -5154,7 +6698,7 @@ static boolean music_info_listed_ext(struct MusicFileInfo *list,
                                     char *basename, boolean is_sound)
 {
   for (; list != NULL; list = list->next)
-    if (list->is_sound == is_sound && strcmp(list->basename, basename) == 0)
+    if (list->is_sound == is_sound && strEqual(list->basename, basename))
       return TRUE;
 
   return FALSE;
@@ -5212,7 +6756,7 @@ void LoadMusicInfo()
     if (music->filename == NULL)
       continue;
 
-    if (strcmp(music->filename, UNDEFINED_FILENAME) == 0)
+    if (strEqual(music->filename, UNDEFINED_FILENAME))
       continue;
 
     /* a configured file may be not recognized as music */
@@ -5251,7 +6795,7 @@ void LoadMusicInfo()
       if (music->filename == NULL)
        continue;
 
-      if (strcmp(basename, music->filename) == 0)
+      if (strEqual(basename, music->filename))
       {
        music_already_used = TRUE;
        break;
@@ -5287,7 +6831,7 @@ void LoadMusicInfo()
     if (sound->filename == NULL)
       continue;
 
-    if (strcmp(sound->filename, UNDEFINED_FILENAME) == 0)
+    if (strEqual(sound->filename, UNDEFINED_FILENAME))
       continue;
 
     /* a configured file may be not recognized as sound */
@@ -5386,7 +6930,7 @@ void LoadHelpAnimInfo()
                 i_to_a(element_action_info[i].value));
 
   /* do not store direction index (bit) here, but direction value! */
-  for (i = 0; i < NUM_DIRECTIONS; i++)
+  for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
     setHashEntry(direction_hash, element_direction_info[i].suffix,
                 i_to_a(1 << element_direction_info[i].value));
 
@@ -5396,7 +6940,7 @@ void LoadHelpAnimInfo()
     char *element_value, *action_value, *direction_value;
     int delay = atoi(list->value);
 
-    if (strcmp(list->token, "end") == 0)
+    if (strEqual(list->token, "end"))
     {
       add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
 
@@ -5548,7 +7092,8 @@ void LoadHelpAnimInfo()
 
 #if 0
   for (i = 0; i < num_list_entries; i++)
-    printf("::: %d, %d, %d => %d\n",
+    printf("::: '%s': %d, %d, %d => %d\n",
+          EL_NAME(helpanim_info[i].element),
           helpanim_info[i].element,
           helpanim_info[i].action,
           helpanim_info[i].direction,