rnd-20041001-1-src
[rocksndiamonds.git] / src / editor.c
index 6a808a57ade57a4f9fa1538e0034b6e84ed68876..c33f98736a21eb974b92ac2cdaa5c114893982e1 100644 (file)
 #define GADGET_ID_SELECTBOX_FIRST      (GADGET_ID_TEXT_AREA_FIRST + 1)
 
 #define GADGET_ID_TIME_OR_STEPS                (GADGET_ID_SELECTBOX_FIRST + 0)
-#define GADGET_ID_CUSTOM_WALK_TO_ACTION        (GADGET_ID_SELECTBOX_FIRST + 1)
-#define GADGET_ID_CUSTOM_CONSISTENCY   (GADGET_ID_SELECTBOX_FIRST + 2)
-#define GADGET_ID_CUSTOM_DEADLINESS    (GADGET_ID_SELECTBOX_FIRST + 3)
-#define GADGET_ID_CUSTOM_MOVE_PATTERN  (GADGET_ID_SELECTBOX_FIRST + 4)
-#define GADGET_ID_CUSTOM_MOVE_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 5)
-#define GADGET_ID_CUSTOM_MOVE_STEPSIZE (GADGET_ID_SELECTBOX_FIRST + 6)
-#define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 7)
-#define GADGET_ID_CUSTOM_SMASH_TARGETS (GADGET_ID_SELECTBOX_FIRST + 8)
-#define GADGET_ID_CUSTOM_SLIPPERY_TYPE (GADGET_ID_SELECTBOX_FIRST + 9)
-#define GADGET_ID_CUSTOM_ACCESS_TYPE   (GADGET_ID_SELECTBOX_FIRST + 10)
-#define GADGET_ID_CUSTOM_ACCESS_LAYER  (GADGET_ID_SELECTBOX_FIRST + 11)
-#define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 12)
-#define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 13)
-#define GADGET_ID_CHANGE_TIME_UNITS    (GADGET_ID_SELECTBOX_FIRST + 14)
-#define GADGET_ID_CHANGE_DIRECT_ACTION (GADGET_ID_SELECTBOX_FIRST + 15)
-#define GADGET_ID_CHANGE_OTHER_ACTION  (GADGET_ID_SELECTBOX_FIRST + 16)
-#define GADGET_ID_CHANGE_SIDE          (GADGET_ID_SELECTBOX_FIRST + 17)
-#define GADGET_ID_CHANGE_PLAYER                (GADGET_ID_SELECTBOX_FIRST + 18)
-#define GADGET_ID_CHANGE_PAGE          (GADGET_ID_SELECTBOX_FIRST + 19)
-#define GADGET_ID_CHANGE_REPLACE_WHEN  (GADGET_ID_SELECTBOX_FIRST + 20)
-#define GADGET_ID_SELECT_CHANGE_PAGE   (GADGET_ID_SELECTBOX_FIRST + 21)
-#define GADGET_ID_GROUP_CHOICE_MODE    (GADGET_ID_SELECTBOX_FIRST + 22)
+#define GADGET_ID_GAME_ENGINE_TYPE     (GADGET_ID_SELECTBOX_FIRST + 1)
+#define GADGET_ID_CUSTOM_WALK_TO_ACTION        (GADGET_ID_SELECTBOX_FIRST + 2)
+#define GADGET_ID_CUSTOM_EXPLOSION_TYPE        (GADGET_ID_SELECTBOX_FIRST + 3)
+#define GADGET_ID_CUSTOM_DEADLINESS    (GADGET_ID_SELECTBOX_FIRST + 4)
+#define GADGET_ID_CUSTOM_MOVE_PATTERN  (GADGET_ID_SELECTBOX_FIRST + 5)
+#define GADGET_ID_CUSTOM_MOVE_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 6)
+#define GADGET_ID_CUSTOM_MOVE_STEPSIZE (GADGET_ID_SELECTBOX_FIRST + 7)
+#define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 8)
+#define GADGET_ID_CUSTOM_SMASH_TARGETS (GADGET_ID_SELECTBOX_FIRST + 9)
+#define GADGET_ID_CUSTOM_SLIPPERY_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
+#define GADGET_ID_CUSTOM_ACCESS_TYPE   (GADGET_ID_SELECTBOX_FIRST + 11)
+#define GADGET_ID_CUSTOM_ACCESS_LAYER  (GADGET_ID_SELECTBOX_FIRST + 12)
+#define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 13)
+#define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 14)
+#define GADGET_ID_CHANGE_TIME_UNITS    (GADGET_ID_SELECTBOX_FIRST + 15)
+#define GADGET_ID_CHANGE_DIRECT_ACTION (GADGET_ID_SELECTBOX_FIRST + 16)
+#define GADGET_ID_CHANGE_OTHER_ACTION  (GADGET_ID_SELECTBOX_FIRST + 17)
+#define GADGET_ID_CHANGE_SIDE          (GADGET_ID_SELECTBOX_FIRST + 18)
+#define GADGET_ID_CHANGE_PLAYER                (GADGET_ID_SELECTBOX_FIRST + 19)
+#define GADGET_ID_CHANGE_PAGE          (GADGET_ID_SELECTBOX_FIRST + 20)
+#define GADGET_ID_CHANGE_REPLACE_WHEN  (GADGET_ID_SELECTBOX_FIRST + 21)
+#define GADGET_ID_SELECT_CHANGE_PAGE   (GADGET_ID_SELECTBOX_FIRST + 22)
+#define GADGET_ID_GROUP_CHOICE_MODE    (GADGET_ID_SELECTBOX_FIRST + 23)
 
 /* textbutton identifiers */
-#define GADGET_ID_TEXTBUTTON_FIRST     (GADGET_ID_SELECTBOX_FIRST + 23)
+#define GADGET_ID_TEXTBUTTON_FIRST     (GADGET_ID_SELECTBOX_FIRST + 24)
 
 #define GADGET_ID_PROPERTIES_INFO      (GADGET_ID_TEXTBUTTON_FIRST + 0)
 #define GADGET_ID_PROPERTIES_CONFIG    (GADGET_ID_TEXTBUTTON_FIRST + 1)
 #define GADGET_ID_CAN_FALL_INTO_ACID   (GADGET_ID_CHECKBUTTON_FIRST + 13)
 #define GADGET_ID_CAN_MOVE_INTO_ACID   (GADGET_ID_CHECKBUTTON_FIRST + 14)
 #define GADGET_ID_DONT_COLLIDE_WITH    (GADGET_ID_CHECKBUTTON_FIRST + 15)
-#define GADGET_ID_CUSTOM_EXPLODE_RESULT        (GADGET_ID_CHECKBUTTON_FIRST + 16)
-#define GADGET_ID_CUSTOM_EXPLODE_FIRE  (GADGET_ID_CHECKBUTTON_FIRST + 17)
-#define GADGET_ID_CUSTOM_EXPLODE_SMASH (GADGET_ID_CHECKBUTTON_FIRST + 18)
-#define GADGET_ID_CUSTOM_EXPLODE_IMPACT        (GADGET_ID_CHECKBUTTON_FIRST + 19)
-#define GADGET_ID_CUSTOM_WALK_TO_OBJECT        (GADGET_ID_CHECKBUTTON_FIRST + 20)
-#define GADGET_ID_CUSTOM_DEADLY                (GADGET_ID_CHECKBUTTON_FIRST + 21)
-#define GADGET_ID_CUSTOM_CAN_MOVE      (GADGET_ID_CHECKBUTTON_FIRST + 22)
-#define GADGET_ID_CUSTOM_CAN_FALL      (GADGET_ID_CHECKBUTTON_FIRST + 23)
-#define GADGET_ID_CUSTOM_CAN_SMASH     (GADGET_ID_CHECKBUTTON_FIRST + 24)
-#define GADGET_ID_CUSTOM_SLIPPERY      (GADGET_ID_CHECKBUTTON_FIRST + 25)
-#define GADGET_ID_CUSTOM_ACCESSIBLE    (GADGET_ID_CHECKBUTTON_FIRST + 26)
-#define GADGET_ID_CUSTOM_USE_GRAPHIC   (GADGET_ID_CHECKBUTTON_FIRST + 27)
-#define GADGET_ID_CUSTOM_USE_TEMPLATE  (GADGET_ID_CHECKBUTTON_FIRST + 28)
-#define GADGET_ID_CUSTOM_CAN_CHANGE    (GADGET_ID_CHECKBUTTON_FIRST + 29)
-#define GADGET_ID_CHANGE_USE_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 30)
-#define GADGET_ID_CHANGE_USE_EXPLOSION (GADGET_ID_CHECKBUTTON_FIRST + 31)
-#define GADGET_ID_CHANGE_ONLY_COMPLETE (GADGET_ID_CHECKBUTTON_FIRST + 32)
-#define GADGET_ID_CHANGE_USE_RANDOM    (GADGET_ID_CHECKBUTTON_FIRST + 33)
-#define GADGET_ID_CHANGE_DELAY         (GADGET_ID_CHECKBUTTON_FIRST + 34)
-#define GADGET_ID_CHANGE_BY_DIRECT_ACT (GADGET_ID_CHECKBUTTON_FIRST + 35)
-#define GADGET_ID_CHANGE_BY_OTHER_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 36)
+#define GADGET_ID_CUSTOM_INDESTRUCTIBLE        (GADGET_ID_CHECKBUTTON_FIRST + 16)
+#define GADGET_ID_CUSTOM_CAN_EXPLODE   (GADGET_ID_CHECKBUTTON_FIRST + 17)
+#define GADGET_ID_CUSTOM_EXPLODE_FIRE  (GADGET_ID_CHECKBUTTON_FIRST + 18)
+#define GADGET_ID_CUSTOM_EXPLODE_SMASH (GADGET_ID_CHECKBUTTON_FIRST + 19)
+#define GADGET_ID_CUSTOM_EXPLODE_IMPACT        (GADGET_ID_CHECKBUTTON_FIRST + 20)
+#define GADGET_ID_CUSTOM_WALK_TO_OBJECT        (GADGET_ID_CHECKBUTTON_FIRST + 21)
+#define GADGET_ID_CUSTOM_DEADLY                (GADGET_ID_CHECKBUTTON_FIRST + 22)
+#define GADGET_ID_CUSTOM_CAN_MOVE      (GADGET_ID_CHECKBUTTON_FIRST + 23)
+#define GADGET_ID_CUSTOM_CAN_FALL      (GADGET_ID_CHECKBUTTON_FIRST + 24)
+#define GADGET_ID_CUSTOM_CAN_SMASH     (GADGET_ID_CHECKBUTTON_FIRST + 25)
+#define GADGET_ID_CUSTOM_SLIPPERY      (GADGET_ID_CHECKBUTTON_FIRST + 26)
+#define GADGET_ID_CUSTOM_ACCESSIBLE    (GADGET_ID_CHECKBUTTON_FIRST + 27)
+#define GADGET_ID_CUSTOM_GRAV_REACHABLE        (GADGET_ID_CHECKBUTTON_FIRST + 28)
+#define GADGET_ID_CUSTOM_USE_GRAPHIC   (GADGET_ID_CHECKBUTTON_FIRST + 29)
+#define GADGET_ID_CUSTOM_USE_TEMPLATE  (GADGET_ID_CHECKBUTTON_FIRST + 30)
+#define GADGET_ID_CUSTOM_CAN_CHANGE    (GADGET_ID_CHECKBUTTON_FIRST + 31)
+#define GADGET_ID_CHANGE_USE_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 32)
+#define GADGET_ID_CHANGE_USE_EXPLOSION (GADGET_ID_CHECKBUTTON_FIRST + 33)
+#define GADGET_ID_CHANGE_ONLY_COMPLETE (GADGET_ID_CHECKBUTTON_FIRST + 34)
+#define GADGET_ID_CHANGE_USE_RANDOM    (GADGET_ID_CHECKBUTTON_FIRST + 35)
+#define GADGET_ID_CHANGE_DELAY         (GADGET_ID_CHECKBUTTON_FIRST + 36)
+#define GADGET_ID_CHANGE_BY_DIRECT_ACT (GADGET_ID_CHECKBUTTON_FIRST + 37)
+#define GADGET_ID_CHANGE_BY_OTHER_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 38)
 
 /* gadgets for buttons in element list */
-#define GADGET_ID_ELEMENTLIST_FIRST    (GADGET_ID_CHECKBUTTON_FIRST + 37)
+#define GADGET_ID_ELEMENTLIST_FIRST    (GADGET_ID_CHECKBUTTON_FIRST + 39)
 #define GADGET_ID_ELEMENTLIST_LAST     (GADGET_ID_ELEMENTLIST_FIRST +  \
                                        ED_NUM_ELEMENTLIST_BUTTONS - 1)
 
 #define ED_COUNTER_ID_LEVEL_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 
 #define ED_COUNTER_ID_CUSTOM1_FIRST    ED_COUNTER_ID_CUSTOM_SCORE
-#define ED_COUNTER_ID_CUSTOM1_LAST     ED_COUNTER_ID_MOVE_DELAY_RND
-#define ED_COUNTER_ID_CUSTOM2_FIRST    ED_COUNTER_ID_EXPLOSION_DELAY
+#define ED_COUNTER_ID_CUSTOM1_LAST     ED_COUNTER_ID_DROP_DELAY_RND
+#define ED_COUNTER_ID_CUSTOM2_FIRST    ED_COUNTER_ID_MOVE_DELAY_FIX
 #define ED_COUNTER_ID_CUSTOM2_LAST     ED_COUNTER_ID_IGNITION_DELAY
 #define ED_COUNTER_ID_CUSTOM_FIRST     ED_COUNTER_ID_CUSTOM1_FIRST
 #define ED_COUNTER_ID_CUSTOM_LAST      ED_COUNTER_ID_CUSTOM2_LAST
 
 /* values for selectbox gadgets */
 #define ED_SELECTBOX_ID_TIME_OR_STEPS          0
-#define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE     1
-#define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER    2
-#define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED        3
-#define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION        4
-#define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION  5
-#define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN    6
-#define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION  7
-#define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE   8
-#define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE 9
-#define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS   10
-#define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE   11
-#define ED_SELECTBOX_ID_CUSTOM_DEADLINESS      12
-#define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY     13
-#define ED_SELECTBOX_ID_CHANGE_TIME_UNITS      14
-#define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION   15
-#define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION    16
-#define ED_SELECTBOX_ID_CHANGE_SIDE            17
-#define ED_SELECTBOX_ID_CHANGE_PLAYER          18
-#define ED_SELECTBOX_ID_CHANGE_PAGE            19
-#define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN    20
-#define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE     21
-#define ED_SELECTBOX_ID_GROUP_CHOICE_MODE      22
-
-#define ED_NUM_SELECTBOX                       23
+#define ED_SELECTBOX_ID_GAME_ENGINE_TYPE       1
+#define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE     2
+#define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER    3
+#define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED        4
+#define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION        5
+#define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION  6
+#define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN    7
+#define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION  8
+#define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE   9
+#define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE 10
+#define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS   11
+#define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE   12
+#define ED_SELECTBOX_ID_CUSTOM_DEADLINESS      13
+#define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE  14
+#define ED_SELECTBOX_ID_CHANGE_TIME_UNITS      15
+#define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION   16
+#define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION    17
+#define ED_SELECTBOX_ID_CHANGE_SIDE            18
+#define ED_SELECTBOX_ID_CHANGE_PLAYER          19
+#define ED_SELECTBOX_ID_CHANGE_PAGE            20
+#define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN    21
+#define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE     22
+#define ED_SELECTBOX_ID_GROUP_CHOICE_MODE      23
+
+#define ED_NUM_SELECTBOX                       24
 
 #define ED_SELECTBOX_ID_LEVEL_FIRST    ED_SELECTBOX_ID_TIME_OR_STEPS
-#define ED_SELECTBOX_ID_LEVEL_LAST     ED_SELECTBOX_ID_TIME_OR_STEPS
+#define ED_SELECTBOX_ID_LEVEL_LAST     ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 
 #define ED_SELECTBOX_ID_CUSTOM1_FIRST  ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
-#define ED_SELECTBOX_ID_CUSTOM1_LAST   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE
-#define ED_SELECTBOX_ID_CUSTOM2_FIRST  ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS
-#define ED_SELECTBOX_ID_CUSTOM2_LAST   ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
+#define ED_SELECTBOX_ID_CUSTOM1_LAST   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
+#define ED_SELECTBOX_ID_CUSTOM2_FIRST  ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
+#define ED_SELECTBOX_ID_CUSTOM2_LAST   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 #define ED_SELECTBOX_ID_CUSTOM_FIRST   ED_SELECTBOX_ID_CUSTOM1_FIRST
 #define ED_SELECTBOX_ID_CUSTOM_LAST    ED_SELECTBOX_ID_CUSTOM2_LAST
 
 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC   14
 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE  15
 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE    16
-#define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT        17
-#define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE      18
-#define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL      19
-#define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH     20
-#define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY      21
-#define ED_CHECKBUTTON_ID_CUSTOM_DEADLY                22
-#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT        23
-#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE  24
-#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH 25
-#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT        26
-#define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE    27
-#define ED_CHECKBUTTON_ID_CHANGE_DELAY         28
-#define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT 29
-#define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT  30
-#define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION 31
-#define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT   32
-#define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE 33
-#define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM    34
-
-#define ED_NUM_CHECKBUTTONS                    35
+#define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE        17
+#define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT        18
+#define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE        19
+#define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE      20
+#define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL      21
+#define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH     22
+#define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY      23
+#define ED_CHECKBUTTON_ID_CUSTOM_DEADLY                24
+#define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE   25
+#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE  26
+#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH 27
+#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT        28
+#define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE    29
+#define ED_CHECKBUTTON_ID_CHANGE_DELAY         30
+#define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT 31
+#define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT  32
+#define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION 33
+#define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT   34
+#define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE 35
+#define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM    36
+
+#define ED_NUM_CHECKBUTTONS                    37
 
 #define ED_CHECKBUTTON_ID_LEVEL_FIRST  ED_CHECKBUTTON_ID_DOUBLE_SPEED
 #define ED_CHECKBUTTON_ID_LEVEL_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 
 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST        ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
-#define ED_CHECKBUTTON_ID_CUSTOM1_LAST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
-#define ED_CHECKBUTTON_ID_CUSTOM2_FIRST        ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL
+#define ED_CHECKBUTTON_ID_CUSTOM1_LAST ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
+#define ED_CHECKBUTTON_ID_CUSTOM2_FIRST        ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 #define ED_CHECKBUTTON_ID_CUSTOM_LAST  ED_CHECKBUTTON_ID_CUSTOM2_LAST
@@ -1037,8 +1043,11 @@ static struct
     &custom_element.drop_delay_random,
     NULL,                              "+random", NULL
   },
+
+  /* ---------- element settings: configure 2 (custom elements) ------------ */
+
   {
-    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(13),
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(5),
     0,                                 999,
     GADGET_ID_MOVE_DELAY_FIX_DOWN,     GADGET_ID_MOVE_DELAY_FIX_UP,
     GADGET_ID_MOVE_DELAY_FIX_TEXT,     GADGET_ID_NONE,
@@ -1046,18 +1055,15 @@ static struct
     NULL,                              "move delay", NULL
   },
   {
-    -1,                                        ED_SETTINGS_YPOS(13),
+    -1,                                        ED_SETTINGS_YPOS(5),
     0,                                 999,
     GADGET_ID_MOVE_DELAY_RND_DOWN,     GADGET_ID_MOVE_DELAY_RND_UP,
     GADGET_ID_MOVE_DELAY_RND_TEXT,     GADGET_ID_MOVE_DELAY_FIX_UP,
     &custom_element.move_delay_random,
     NULL,                              "+random", NULL
   },
-
-  /* ---------- element settings: configure 2 (custom elements) ------------ */
-
   {
-    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(4),
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(12),
     0,                                 255,
     GADGET_ID_EXPLOSION_DELAY_DOWN,    GADGET_ID_EXPLOSION_DELAY_UP,
     GADGET_ID_EXPLOSION_DELAY_TEXT,    GADGET_ID_NONE,
@@ -1065,7 +1071,7 @@ static struct
     NULL,                              "explosion delay", NULL
   },
   {
-    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(5),
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(13),
     0,                                 255,
     GADGET_ID_IGNITION_DELAY_DOWN,     GADGET_ID_IGNITION_DELAY_UP,
     GADGET_ID_IGNITION_DELAY_TEXT,     GADGET_ID_NONE,
@@ -1170,6 +1176,14 @@ static struct ValueTextInfo options_time_or_steps[] =
   { -1,                                NULL                            }
 };
 
+static struct ValueTextInfo options_game_engine_type[] =
+{
+  { GAME_ENGINE_TYPE_RND,      "RND"                           },
+  { GAME_ENGINE_TYPE_EM,       "EM"                            },
+
+  { -1,                                NULL                            }
+};
+
 static struct ValueTextInfo options_access_type[] =
 {
   { EP_WALKABLE,               "walkable"                      },
@@ -1319,12 +1333,14 @@ static struct ValueTextInfo options_deadliness[] =
   { -1,                                NULL                            }
 };
 
-static struct ValueTextInfo options_consistency[] =
+static struct ValueTextInfo options_explosion_type[] =
 {
-  { EP_CAN_EXPLODE_3X3,                "can explode 3x3"               },
-  { EP_CAN_EXPLODE_CROSS,      "can explode 3+3"               },
-  { EP_CAN_EXPLODE_1X1,                "can explode 1x1"               },
+  { EXPLODES_3X3,              "3x3"                           },
+  { EXPLODES_CROSS,            "3+3"                           },
+  { EXPLODES_1X1,              "1x1"                           },
+#if 0
   { EP_INDESTRUCTIBLE,         "indestructible"                },
+#endif
 
   { -1,                                NULL                            }
 };
@@ -1352,9 +1368,11 @@ static struct ValueTextInfo options_change_direct_action[] =
 #else
   { CE_HITTING_SOMETHING,      "collision"                     },
 #endif
-#if 1
+
+#if 0
   { CE_BLOCKED,                        "blocked"                       },
 #endif
+
   { CE_IMPACT,                 "impact (on something)"         },
   { CE_SMASHED,                        "smashed (from above)"          },
 
@@ -1496,6 +1514,14 @@ static struct
     &level.use_step_counter,
     NULL, "(0 => no limit)",           "time or step limit"
   },
+  {
+    ED_SETTINGS_XPOS(0),               ED_COUNTER_YPOS(6) + 8,
+    GADGET_ID_GAME_ENGINE_TYPE,                GADGET_ID_NONE,
+    -1,
+    options_game_engine_type,
+    &level.game_engine_type,
+    "game engine:", NULL,              "game engine"
+  },
 
   /* ---------- element settings: configure 1 (custom elements) ----------- */
 
@@ -1539,16 +1565,19 @@ static struct
     &custom_element.walk_to_action,
     NULL, NULL,                                "diggable/collectible/pushable"
   },
+
+  /* ---------- element settings: configure 2 (custom elements) ----------- */
+
   {
-    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(9),
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(1),
     GADGET_ID_CUSTOM_MOVE_PATTERN,     GADGET_ID_NONE,
     -1,
     options_move_pattern,
     &custom_element.move_pattern,
-    "can move", NULL,                  "element move direction"
+    "can move", NULL,                  "element move pattern"
   },
   {
-    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(10),
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(2),
     GADGET_ID_CUSTOM_MOVE_DIRECTION,   GADGET_ID_NONE,
     -1,
     options_move_direction,
@@ -1556,7 +1585,7 @@ static struct
     "starts moving", NULL,             "initial element move direction"
   },
   {
-    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(12),
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(4),
     GADGET_ID_CUSTOM_MOVE_STEPSIZE,    GADGET_ID_NONE,
     -1,
     options_move_stepsize,
@@ -1564,7 +1593,7 @@ static struct
     "move/fall speed", NULL,           "speed of element movement"
   },
   {
-    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(11),
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(3),
     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,  GADGET_ID_NONE,
     -1,
     options_move_leave_type,
@@ -1572,7 +1601,7 @@ static struct
     "can dig:    can", ":",            "leave behind or change element"
   },
   {
-    -1,                                        ED_SETTINGS_YPOS(13),
+    -1,                                        ED_SETTINGS_YPOS(7),
     GADGET_ID_CUSTOM_SMASH_TARGETS,    GADGET_ID_CUSTOM_CAN_SMASH,
     -1,
     options_smash_targets,
@@ -1580,18 +1609,15 @@ static struct
     "can smash", NULL,                 "elements that can be smashed"
   },
   {
-    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(14),
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(8),
     GADGET_ID_CUSTOM_SLIPPERY_TYPE,    GADGET_ID_NONE,
     -1,
     options_slippery_type,
     &custom_element.slippery_type,
     "slippery", NULL,                  "where other elements fall down"
   },
-
-  /* ---------- element settings: configure 2 (custom elements) ----------- */
-
   {
-    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(1),
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(9),
     GADGET_ID_CUSTOM_DEADLINESS,       GADGET_ID_NONE,
     -1,
     options_deadliness,
@@ -1599,12 +1625,12 @@ static struct
     "deadly when", NULL,               "deadliness of element"
   },
   {
-    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(2),
-    GADGET_ID_CUSTOM_CONSISTENCY,      GADGET_ID_NONE,
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(10),
+    GADGET_ID_CUSTOM_EXPLOSION_TYPE,   GADGET_ID_NONE,
     -1,
-    options_consistency,
-    &custom_element.consistency,
-    NULL, NULL,                                "consistency/destructibility"
+    options_explosion_type,
+    &custom_element.explosion_type,
+    "can explode", NULL,               "explosion type"
   },
 
   /* ---------- element settings: advanced (custom elements) --------------- */
@@ -2033,7 +2059,13 @@ static struct
     ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(1),
     GADGET_ID_CUSTOM_USE_GRAPHIC,      GADGET_ID_NONE,
     &custom_element.use_gfx_element,
-    NULL, "use graphic of element:",   "use graphic for custom element"
+
+    /* !!! add separate "use existing element sound" !!! */
+#if 0
+    NULL, "use graphic/sound of element:", "use existing graphic and sound"
+#else
+    NULL, "use graphic of element:",   "use existing element graphic"
+#endif
   },
   {
     ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(2),
@@ -2047,6 +2079,12 @@ static struct
     &custom_element_properties[EP_ACCESSIBLE],
     NULL, NULL,                                "player can walk to or pass this field"
   },
+  {
+    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(10),
+    GADGET_ID_CUSTOM_GRAV_REACHABLE,   GADGET_ID_NONE,
+    &custom_element_properties[EP_GRAVITY_REACHABLE],
+    NULL, "reachable despite gravity", "player can walk/dig despite gravity"
+  },
   {
     ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(5),
     GADGET_ID_CUSTOM_WALK_TO_OBJECT,   GADGET_ID_NONE,
@@ -2055,59 +2093,65 @@ static struct
   },
   {
     ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(9),
+    GADGET_ID_CUSTOM_INDESTRUCTIBLE,   GADGET_ID_NONE,
+    &custom_element_properties[EP_INDESTRUCTIBLE],
+    NULL, "indestructible",            "element is indestructible"
+  },
+
+  /* ---------- element settings: configure 2 (custom elements) ----------- */
+
+  {
+    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(1),
     GADGET_ID_CUSTOM_CAN_MOVE,         GADGET_ID_NONE,
     &custom_element_properties[EP_CAN_MOVE],
-    NULL, NULL,                                "element can move in some direction"
+    NULL, NULL,                                "element can move with some pattern"
   },
   {
-    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(13),
+    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(7),
     GADGET_ID_CUSTOM_CAN_FALL,         GADGET_ID_NONE,
     &custom_element_properties[EP_CAN_FALL],
     NULL, "can fall",                  "element can fall down"
   },
   {
-    -1,                                        ED_SETTINGS_YPOS(13),
+    -1,                                        ED_SETTINGS_YPOS(7),
     GADGET_ID_CUSTOM_CAN_SMASH,                GADGET_ID_CUSTOM_CAN_FALL,
     &custom_element_properties[EP_CAN_SMASH],
     " ", NULL,                         "element can smash other elements"
   },
   {
-    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(14),
+    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(8),
     GADGET_ID_CUSTOM_SLIPPERY,         GADGET_ID_NONE,
     &custom_element_properties[EP_SLIPPERY],
     NULL, NULL,                                "other elements can fall down from it"
   },
-
-  /* ---------- element settings: configure 2 (custom elements) ----------- */
-
   {
-    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(1),
+    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(9),
     GADGET_ID_CUSTOM_DEADLY,           GADGET_ID_NONE,
     &custom_element_properties[EP_DEADLY],
     NULL, NULL,                                "element can kill the player"
   },
   {
-    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(2),
-    GADGET_ID_CUSTOM_EXPLODE_RESULT,   GADGET_ID_NONE,
-    &custom_element_properties[EP_EXPLODE_RESULT],
-    NULL, NULL,                                "set consistency/destructibility"
+    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(10),
+    GADGET_ID_CUSTOM_CAN_EXPLODE,      GADGET_ID_NONE,
+    &custom_element_properties[EP_CAN_EXPLODE],
+    NULL, NULL,                                "element can explode"
   },
   {
-    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(3),
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(11),
     GADGET_ID_CUSTOM_EXPLODE_FIRE,     GADGET_ID_NONE,
-    &custom_element.can_explode_by_fire,
+    &custom_element_properties[EP_EXPLODES_BY_FIRE],
     NULL, "by fire",                   "element can explode by fire/explosion"
   },
   {
-    -1,                                        ED_SETTINGS_YPOS(3),
+    -1,                                        ED_SETTINGS_YPOS(11),
     GADGET_ID_CUSTOM_EXPLODE_SMASH,    GADGET_ID_CUSTOM_EXPLODE_FIRE,
-    &custom_element.can_explode_smashed,
+    &custom_element_properties[EP_EXPLODES_SMASHED],
     " ", "smashed",                    "element can explode when smashed"
   },
   {
-    -1,                                        ED_SETTINGS_YPOS(3),
+    -1,                                        ED_SETTINGS_YPOS(11),
     GADGET_ID_CUSTOM_EXPLODE_IMPACT,   GADGET_ID_CUSTOM_EXPLODE_SMASH,
-    &custom_element.can_explode_impact,
+    &custom_element_properties[EP_EXPLODES_IMPACT],
     " ", "impact",                     "element can explode on impact"
   },
 
@@ -2241,6 +2285,8 @@ static struct
     "content:", NULL,                  NULL
   },
 
+  /* ---------- element settings: configure 1 (custom elements) ----------- */
+
   /* ---------- custom graphic --------------------------------------------- */
 
   {
@@ -2250,10 +2296,12 @@ static struct
     NULL, NULL,                                NULL
   },
 
+  /* ---------- element settings: configure 2 (custom elements) ----------- */
+
   /* ---------- custom content (when exploding) ---------------------------- */
 
   {
-    -1,                                        ED_AREA_3X3_SETTINGS_YPOS(2),
+    -1,                                        ED_AREA_3X3_SETTINGS_YPOS(10),
     3, 3,
     GADGET_ID_CUSTOM_CONTENT,          GADGET_ID_NONE, /* align three rows */
     "content:", NULL,                  NULL
@@ -2262,18 +2310,20 @@ static struct
   /* ---------- custom enter and leave element (when moving) --------------- */
 
   {
-    ED_AREA_1X1_SETTINGS_XPOS(1),      ED_AREA_1X1_SETTINGS_YPOS(11),
+    ED_AREA_1X1_SETTINGS_XPOS(1),      ED_AREA_1X1_SETTINGS_YPOS(3),
     1, 1,
     GADGET_ID_CUSTOM_MOVE_ENTER,       GADGET_ID_NONE,
     "can dig:", " ",                   NULL
   },
   {
-    -1,                                        ED_AREA_1X1_SETTINGS_YPOS(11),
+    -1,                                        ED_AREA_1X1_SETTINGS_YPOS(3),
     1, 1,
     GADGET_ID_CUSTOM_MOVE_LEAVE,       GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
     NULL, NULL,                                NULL
   },
 
+  /* ---------- element settings: advanced (custom elements) --------------- */
+
   /* ---------- custom change target --------------------------------------- */
 
   {
@@ -2545,6 +2595,105 @@ static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
 
+static int editor_hl_emerald_mine_club[] =
+{
+  EL_CHAR('E'),
+  EL_CHAR('M'),
+  EL_CHAR('E'),
+  EL_CHAR('-'),
+
+  EL_CHAR('R'),
+  EL_CHAR('A'),
+  EL_CHAR('L'),
+  EL_CHAR('D'),
+
+  EL_CHAR('M'),
+  EL_CHAR('I'),
+  EL_CHAR('N'),
+  EL_CHAR('E'),
+
+  EL_CHAR('C'),
+  EL_CHAR('L'),
+  EL_CHAR('U'),
+  EL_CHAR('B'),
+};
+
+static int editor_el_emerald_mine_club[] =
+{
+  EL_EMC_KEY_5,
+  EL_EMC_KEY_6,
+  EL_EMC_KEY_7,
+  EL_EMC_KEY_8,
+
+  EL_EMC_GATE_5,
+  EL_EMC_GATE_6,
+  EL_EMC_GATE_7,
+  EL_EMC_GATE_8,
+
+  EL_EMC_GATE_5_GRAY,
+  EL_EMC_GATE_6_GRAY,
+  EL_EMC_GATE_7_GRAY,
+  EL_EMC_GATE_8_GRAY,
+
+  EL_EMC_STEELWALL_1,
+  EL_EMC_STEELWALL_2,
+  EL_EMC_STEELWALL_3,
+  EL_EMC_STEELWALL_4,
+
+  EL_EMC_WALL_13,
+  EL_EMC_WALL_14,
+  EL_EMC_WALL_15,
+  EL_EMC_WALL_16,
+
+  EL_EMC_WALL_SLIPPERY_1,
+  EL_EMC_WALL_SLIPPERY_2,
+  EL_EMC_WALL_SLIPPERY_3,
+  EL_EMC_WALL_SLIPPERY_4,
+
+  EL_EMC_WALL_1,
+  EL_EMC_WALL_2,
+  EL_EMC_WALL_3,
+  EL_EMC_WALL_4,
+
+  EL_EMC_WALL_5,
+  EL_EMC_WALL_6,
+  EL_EMC_WALL_7,
+  EL_EMC_WALL_8,
+
+  EL_EMC_WALL_9,
+  EL_EMC_WALL_10,
+  EL_EMC_WALL_11,
+  EL_EMC_WALL_12,
+
+  EL_EMC_ANDROID,
+  EL_BALLOON,
+  EL_BALLOON_SWITCH_ANY,
+  EL_BALLOON_SWITCH_NONE,
+
+  EL_BALLOON_SWITCH_LEFT,
+  EL_BALLOON_SWITCH_RIGHT,
+  EL_BALLOON_SWITCH_UP,
+  EL_BALLOON_SWITCH_DOWN,
+
+  EL_EMC_GRASS,
+  EL_EMC_PLANT,
+  EL_EMC_LENSES,
+  EL_EMC_MAGNIFIER,
+
+  EL_EMC_MAGIC_BALL,
+  EL_EMC_MAGIC_BALL_SWITCH,
+  EL_SPRING,
+  EL_EMC_BUMPER,
+
+#if 0
+  EL_EMC_LEVEL_BORDER,
+#endif
+};
+static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
+static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
+static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
+static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
+
 static int editor_hl_more[] =
 {
   EL_CHAR('M'),
@@ -2622,13 +2771,8 @@ static int editor_el_more[] =
 
   EL_SPACESHIP,
   EL_MOLE_DOWN,
-  EL_BALLOON,
-  EL_BALLOON_SWITCH_ANY,
-
-  EL_BALLOON_SWITCH_LEFT,
-  EL_BALLOON_SWITCH_RIGHT,
-  EL_BALLOON_SWITCH_UP,
-  EL_BALLOON_SWITCH_DOWN,
+  EL_EMPTY,
+  EL_EMPTY,
 
   EL_SATELLITE,
   EL_EXPANDABLE_WALL_HORIZONTAL,
@@ -2639,16 +2783,6 @@ static int editor_el_more[] =
   EL_INVISIBLE_WALL,
   EL_SPEED_PILL,
   EL_BLACK_ORB,
-
-  EL_EMC_STEELWALL_1,
-  EL_EMC_WALL_1,
-  EL_EMC_WALL_2,
-  EL_EMC_WALL_3,
-
-  EL_EMC_WALL_4,
-  EL_EMC_WALL_5,
-  EL_EMC_WALL_6,
-  EL_EMC_WALL_7,
 };
 static int *editor_hl_more_ptr = editor_hl_more;
 static int *editor_el_more_ptr = editor_el_more;
@@ -2874,7 +3008,7 @@ static int editor_hl_dx_boulderdash[] =
 
 static int editor_el_dx_boulderdash[] =
 {
-  EL_SPRING,
+  EL_EMPTY,
   EL_TUBE_RIGHT_DOWN,
   EL_TUBE_HORIZONTAL_DOWN,
   EL_TUBE_LEFT_DOWN,
@@ -3522,6 +3656,11 @@ editor_elements_info[] =
     &editor_hl_emerald_mine_ptr,       &num_editor_hl_emerald_mine,
     &editor_el_emerald_mine_ptr,       &num_editor_el_emerald_mine
   },
+  {
+    &setup.editor.el_emerald_mine_club,
+    &editor_hl_emerald_mine_club_ptr,  &num_editor_hl_emerald_mine_club,
+    &editor_el_emerald_mine_club_ptr,  &num_editor_el_emerald_mine_club
+  },
   {
     &setup.editor.el_more,
     &editor_hl_more_ptr,               &num_editor_hl_more,
@@ -5331,13 +5470,15 @@ static void MapCheckbuttonGadget(int id)
   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
   int yoffset = ED_BORDER_SIZE;
-  int x_left = gi->x - xoffset_left;
-  int x_right = gi->x + gi->width + xoffset_right;
-  int y;       /* set after gadget position was modified */
+  int x_left, x_right, y;      /* set after gadget position was modified */
 
-  /* set position for gadgets with dynamically determined vertical position */
+  /* set position for gadgets with dynamically determined position */
+  if (checkbutton_info[id].x != -1)    /* do not change dynamic positions */
+    ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
 
+  x_left = gi->x - xoffset_left;
+  x_right = gi->x + gi->width + xoffset_right;
   y = gi->y + yoffset;
 
   if (checkbutton_info[id].text_left)
@@ -5479,6 +5620,8 @@ static void ResetUndoBuffer()
   undo_buffer_position = -1;
   undo_buffer_steps = -1;
   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
+
+  level.changed = FALSE;
 }
 
 static void DrawEditModeWindow()
@@ -5496,15 +5639,18 @@ static void DrawEditModeWindow()
 
 static boolean LevelChanged()
 {
-  boolean level_changed = FALSE;
+  boolean field_changed = FALSE;
   int x, y;
 
+  if (leveldir_current->readonly)
+    return FALSE;
+
   for (y = 0; y < lev_fieldy; y++) 
     for (x = 0; x < lev_fieldx; x++)
       if (Feld[x][y] != level.field[x][y])
-       level_changed = TRUE;
+       field_changed = TRUE;
 
-  return level_changed;
+  return (level.changed || field_changed);
 }
 
 static boolean LevelContainsPlayer()
@@ -5512,6 +5658,8 @@ static boolean LevelContainsPlayer()
   boolean player_found = FALSE;
   int x, y;
 
+  return TRUE;         /* !!! CURRENTLY DEACTIVATED !!! */
+
   for (y = 0; y < lev_fieldy; y++) 
     for (x = 0; x < lev_fieldx; x++)
       if (Feld[x][y] == EL_PLAYER_1 ||
@@ -5625,6 +5773,7 @@ static void copy_custom_element_settings(int element_from, int element_to)
     for (x = 0; x < 3; x++)
       ei_to->content[x][y] = ei_from->content[x][y];
 
+  ei_to->explosion_type = ei_from->explosion_type;
   ei_to->explosion_delay = ei_from->explosion_delay;
   ei_to->ignition_delay = ei_from->ignition_delay;
 
@@ -5710,6 +5859,8 @@ static boolean CopyCustomElement(int element_old, int element_new,
     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
                   EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
+
+    level.changed = TRUE;
   }
   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
   {
@@ -5723,6 +5874,10 @@ static boolean CopyCustomElement(int element_old, int element_new,
 
     return FALSE;
   }
+  else
+  {
+    level.changed = TRUE;
+  }
 
   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
   {
@@ -5845,26 +6000,42 @@ static void CopyCustomElementPropertiesToEditor(int element)
      DONT_COLLIDE_WITH(element) ||
      DONT_RUN_INTO(element));
 
-  /* set consistency selectbox help value */
-  custom_element.consistency =
-    (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
+#if 0
+  /* set explosion type selectbox help value */
+  custom_element.explosion_type =
+    (
+#if 0
+     IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
+#endif
      CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
      CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
      CAN_EXPLODE_CROSS(element) ? EP_CAN_EXPLODE_CROSS :
-     custom_element.consistency);
-  custom_element_properties[EP_EXPLODE_RESULT] =
-    (IS_INDESTRUCTIBLE(element) ||
+     custom_element.explosion_type);
+  custom_element_properties[EP_CAN_EXPLODE_AT_ALL] =
+    (
+#if 0
+     IS_INDESTRUCTIBLE(element) ||
+#endif
      CAN_EXPLODE_1X1(element) ||
      CAN_EXPLODE_3X3(element) ||
      CAN_EXPLODE_CROSS(element));
+#endif
 
+#if 0
   /* special case: sub-settings dependent from main setting */
+#if 0
+  custom_element.can_explode_by_fire = CAN_EXPLODE_BY_FIRE(element);
+  custom_element.can_explode_smashed = CAN_EXPLODE_SMASHED(element);
+  custom_element.can_explode_impact  = CAN_EXPLODE_IMPACT(element);
+#else
   if (CAN_EXPLODE_BY_FIRE(element))
     custom_element.can_explode_by_fire = TRUE;
   if (CAN_EXPLODE_SMASHED(element))
     custom_element.can_explode_smashed = TRUE;
   if (CAN_EXPLODE_IMPACT(element))
     custom_element.can_explode_impact  = TRUE;
+#endif
+#endif
 
   /* ---------- element settings: advanced (custom elements) --------------- */
 
@@ -5946,9 +6117,13 @@ static void CopyCustomElementPropertiesToGame(int element)
 {
   int i;
   int access_type_and_layer;
+#if 0
+  boolean can_explode;
+#endif
 
   /* mark that this custom element has been modified */
   custom_element.modified_settings = TRUE;
+  level.changed = TRUE;
 
   if (level.use_custom_template)
   {
@@ -6010,18 +6185,34 @@ static void CopyCustomElementPropertiesToGame(int element)
   custom_element_properties[custom_element.deadliness] =
     custom_element_properties[EP_DEADLY];
 
-  /* set consistency property from checkbox and selectbox */
+#if 0
+  /* set explosion type property from checkbox and selectbox */
+#if 0
   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
+#endif
   custom_element_properties[EP_CAN_EXPLODE_1X1] = FALSE;
   custom_element_properties[EP_CAN_EXPLODE_3X3] = FALSE;
   custom_element_properties[EP_CAN_EXPLODE_CROSS] = FALSE;
   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
-  custom_element_properties[custom_element.consistency] =
-    custom_element_properties[EP_EXPLODE_RESULT];
+  custom_element_properties[custom_element.explosion_type] =
+    custom_element_properties[EP_CAN_EXPLODE_AT_ALL];
+#endif
 
+#if 0
   /* special case: sub-settings dependent from main setting */
+#if 0
+  can_explode = (custom_element_properties[EP_CAN_EXPLODE_1X1] ||
+                custom_element_properties[EP_CAN_EXPLODE_3X3] ||
+                custom_element_properties[EP_CAN_EXPLODE_CROSS]);
+  custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
+    (can_explode && custom_element.can_explode_by_fire);
+  custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
+    (can_explode && custom_element.can_explode_smashed);
+  custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
+    (can_explode && custom_element.can_explode_impact);
+#else
   if (custom_element_properties[EP_CAN_EXPLODE_1X1] ||
       custom_element_properties[EP_CAN_EXPLODE_3X3] ||
       custom_element_properties[EP_CAN_EXPLODE_CROSS])
@@ -6033,6 +6224,8 @@ static void CopyCustomElementPropertiesToGame(int element)
     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
       custom_element.can_explode_impact;
   }
+#endif
+#endif
 
   /* ---------- element settings: advanced (custom elements) --------------- */
 
@@ -6088,6 +6281,7 @@ static void CopyGroupElementPropertiesToGame(int element)
 
   /* mark that this group element has been modified */
   element_info[element].modified_settings = TRUE;
+  level.changed = TRUE;
 }
 
 static void CopyClassicElementPropertiesToGame(int element)
@@ -6446,7 +6640,7 @@ static void DrawCustomContentArea()
   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
-  int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
+  int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
 
@@ -7043,6 +7237,8 @@ static void DrawPropertiesConfig()
        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
   {
     /* set position for checkbutton for "can move into acid" */
+    checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
+      ED_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
       ED_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
                       HAS_CONTENT(properties_element) ? 1 : 0);
@@ -7110,8 +7306,6 @@ static void DrawPropertiesConfig()
 
       /* draw drawing area gadgets */
       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
-      MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
-      MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
     }
     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
     {
@@ -7131,6 +7325,8 @@ static void DrawPropertiesConfig()
        MapSelectboxGadget(i);
 
       /* draw drawing area gadgets */
+      MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
+      MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
       DrawCustomContentArea();
     }
   }
@@ -7833,6 +8029,8 @@ static int DrawLevelText(int sx, int sy, char letter, int mode)
          DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
        else
          DrawLevelText(0, 0, 0, TEXT_END);
+
+       level.changed = TRUE;
       }
       break;
 
@@ -7921,56 +8119,56 @@ static void CopyLevelToUndoBuffer(int mode)
   SetBorderElement();
   if (BorderElement != last_border_element)
     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+
+  level.changed = TRUE;
 }
 
 static void RandomPlacement(int new_element)
 {
   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
-  int num_free_positions;
-  int num_percentage;
-  int num_elements;
+  int num_free_positions = 0;
+  int num_percentage, num_elements;
   int x, y;
 
-  /* determine number of free positions for the new elements */
-  /* (maybe this statement should be formatted a bit more readable...) */
-  num_free_positions = 0;
-  for (x = 0; x < lev_fieldx; x++)
-    for (y = 0; y < lev_fieldy; y++)
-      if ((free_position[x][y] =
-          ((random_placement_background_restricted &&
-            Feld[x][y] == random_placement_background_element) ||
-           (!random_placement_background_restricted &&
-            Feld[x][y] != new_element))) == TRUE)
-       num_free_positions++;
+  /* determine number of free positions for randomly placing the new element */
+  for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
+  {
+    free_position[x][y] =
+      (random_placement_background_restricted ?
+       Feld[x][y] == random_placement_background_element :
+       Feld[x][y] != new_element);
+
+    if (free_position[x][y])
+      num_free_positions++;
+  }
 
   /* determine number of new elements to place there */
   num_percentage = num_free_positions * random_placement_value / 100;
   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
                  num_percentage : random_placement_value);
 
-  /* if not more free positions than elements to place, fill whole level */
-  if (num_elements >= num_free_positions)
+  /* if less free positions than elements to place, fill all these positions */
+  if (num_free_positions < num_elements)
   {
     for (x = 0; x < lev_fieldx; x++)
       for (y = 0; y < lev_fieldy; y++)
-       Feld[x][y] = new_element;
-
-    DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
-    CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
-    return;
+       if (free_position[x][y])
+         Feld[x][y] = new_element;
   }
-
-  while (num_elements > 0)
+  else
   {
-    x = RND(lev_fieldx);
-    y = RND(lev_fieldy);
-
-    /* don't place element at the same position twice */
-    if (free_position[x][y])
+    while (num_elements > 0)
     {
-      free_position[x][y] = FALSE;
-      Feld[x][y] = new_element;
-      num_elements--;
+      x = RND(lev_fieldx);
+      y = RND(lev_fieldy);
+
+      /* don't place element at the same position twice */
+      if (free_position[x][y])
+      {
+       free_position[x][y] = FALSE;
+       Feld[x][y] = new_element;
+       num_elements--;
+      }
     }
   }
 
@@ -8343,6 +8541,7 @@ static void HandleCounterButtons(struct GadgetInfo *gi)
     {
       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
        ModifyEditorCounter(counter_id, *counter_value);
+
       return;
     }
   }
@@ -8352,6 +8551,16 @@ static void HandleCounterButtons(struct GadgetInfo *gi)
   else
     ModifyEditorCounter(counter_id, *counter_value + step);
 
+  if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
+  {
+      LoadLevel(level_nr);
+      TapeErase();
+      ResetUndoBuffer();
+      DrawEditModeWindow();
+
+      return;
+  }
+
   switch (counter_id)
   {
     case ED_COUNTER_ID_ELEMENT_CONTENT:
@@ -8374,13 +8583,6 @@ static void HandleCounterButtons(struct GadgetInfo *gi)
       lev_fieldy = level.fieldy;
       break;
 
-    case ED_COUNTER_ID_SELECT_LEVEL:
-      LoadLevel(level_nr);
-      TapeErase();
-      ResetUndoBuffer();
-      DrawEditModeWindow();
-      break;
-
     default:
       break;
   }
@@ -8390,6 +8592,8 @@ static void HandleCounterButtons(struct GadgetInfo *gi)
       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
     CopyElementPropertiesToGame(properties_element);
+
+  level.changed = TRUE;
 }
 
 static void HandleTextInputGadgets(struct GadgetInfo *gi)
@@ -8404,6 +8608,8 @@ static void HandleTextInputGadgets(struct GadgetInfo *gi)
 
     ModifyEditorElementList(); /* update changed button info text */
   }
+
+  level.changed = TRUE;
 }
 
 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
@@ -8411,6 +8617,8 @@ static void HandleTextAreaGadgets(struct GadgetInfo *gi)
   int type_id = gi->custom_type_id;
 
   strcpy(textarea_info[type_id].value, gi->textarea.value);
+
+  level.changed = TRUE;
 }
 
 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
@@ -8431,7 +8639,11 @@ static void HandleSelectboxGadgets(struct GadgetInfo *gi)
           (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
            type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
           (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
+  {
     CopyElementPropertiesToGame(properties_element);
+
+    level.changed = TRUE;
+  }
 }
 
 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
@@ -8472,6 +8684,8 @@ static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
     setElementChangeInfoToDefaults(ei->change);
 
     DrawPropertiesWindow();
+
+    level.changed = TRUE;
   }
   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
           custom_element.num_change_pages > MIN_CHANGE_PAGES)
@@ -8485,6 +8699,8 @@ static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
     setElementChangePages(ei, ei->num_change_pages - 1);
 
     DrawPropertiesWindow();
+
+    level.changed = TRUE;
   }
 }
 
@@ -8518,9 +8734,13 @@ static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
        ei->change_page[current_change_page];
     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
+    {
       ei->change_page[current_change_page] =
        element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
 
+      level.changed = TRUE;
+    }
+
     DrawPropertiesWindow();
   }
 }
@@ -8529,6 +8749,8 @@ static void HandleRadiobuttons(struct GadgetInfo *gi)
 {
   *radiobutton_info[gi->custom_type_id].value =
     radiobutton_info[gi->custom_type_id].checked_value;
+
+  level.changed = TRUE;
 }
 
 static void HandleCheckbuttons(struct GadgetInfo *gi)
@@ -8571,6 +8793,8 @@ static void HandleCheckbuttons(struct GadgetInfo *gi)
 
     DrawEditModeWindow();
   }
+
+  level.changed = TRUE;
 }
 
 static void HandleControlButtons(struct GadgetInfo *gi)
@@ -8836,6 +9060,7 @@ static void HandleControlButtons(struct GadgetInfo *gi)
       for (x = 0; x < MAX_LEV_FIELDX; x++) 
        for (y = 0; y < MAX_LEV_FIELDY; y++) 
          Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
+
       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
 
       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
@@ -8848,7 +9073,7 @@ static void HandleControlButtons(struct GadgetInfo *gi)
        break;
       }
 
-      if (!LevelContainsPlayer)
+      if (!LevelContainsPlayer())
        Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
       else
       {
@@ -8865,11 +9090,13 @@ static void HandleControlButtons(struct GadgetInfo *gi)
 
        if (new_level)
          Request("Level saved !", REQ_CONFIRM);
+
+       level.changed = FALSE;
       }
       break;
 
     case GADGET_ID_TEST:
-      if (!LevelContainsPlayer)
+      if (!LevelContainsPlayer())
        Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
       else
       {
@@ -8879,6 +9106,8 @@ static void HandleControlButtons(struct GadgetInfo *gi)
        CopyPlayfield(level.field, FieldBackup);
        CopyPlayfield(Feld, level.field);
 
+       CopyNativeLevel_RND_to_Native(&level);
+
        UnmapLevelEditorGadgets();
        UndrawSpecialEditorDoor();
 
@@ -8999,7 +9228,15 @@ void HandleLevelEditorKeyInput(Key key)
        {
          RequestExitLevelEditor(setup.ask_on_escape);
        }
-        else
+        else if (edit_mode == ED_MODE_INFO)
+       {
+         HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
+       }
+        else if (edit_mode == ED_MODE_PROPERTIES)
+       {
+         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
+       }
+       else            /* should never happen */
        {
          DrawDrawingWindow();
          edit_mode = ED_MODE_DRAWING;
@@ -9323,9 +9560,6 @@ void RequestExitLevelEditor(boolean ask_if_level_has_changed)
   else
   {
     CloseDoor(DOOR_CLOSE_1);
-    BlitBitmap(bitmap_db_door, bitmap_db_door,
-              DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
-              DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
-    OpenDoor(DOOR_OPEN_1);
+    OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
   }
 }