rnd-20030703-2-src
[rocksndiamonds.git] / src / editor.c
index d4b4102a86ed28a7f9ab7b498065a9f49f4a980f..a08724725fde0ed647c8800701bdc6704a605a35 100644 (file)
@@ -20,6 +20,7 @@
 #include "tools.h"
 #include "files.h"
 #include "game.h"
+#include "init.h"
 #include "tape.h"
 
 
 #define ED_AREA_ELEM_CONTENT4_YPOS     (ED_SETTINGS_YPOS(12) + \
                                         ED_GADGET_DISTANCE - MINI_TILEY)
 /* custom change trigger element */
-#define ED_AREA_ELEM_CONTENT5_XPOS     (30 * MINI_TILEX + MINI_TILEX / 2)
+#define ED_AREA_ELEM_CONTENT5_XPOS     (28 * MINI_TILEX)
 #define ED_AREA_ELEM_CONTENT5_YPOS     (ED_SETTINGS_YPOS(7) + \
                                         ED_GADGET_DISTANCE)
+/* extended custom change target */
+#define ED_AREA_ELEM_CONTENT6_XPOS     (29 * MINI_TILEX)
+#define ED_AREA_ELEM_CONTENT6_YPOS     (ED_SETTINGS_YPOS(10) + \
+                                        ED_GADGET_DISTANCE - MINI_TILEY)
 
 /* values for random placement background drawing area */
 #define ED_AREA_RANDOM_BACKGROUND_XPOS (29 * MINI_TILEX)
 #define GADGET_ID_LEVEL_RANDOM_DOWN    (GADGET_ID_COUNTER_FIRST + 9)
 #define GADGET_ID_LEVEL_RANDOM_TEXT    (GADGET_ID_COUNTER_FIRST + 10)
 #define GADGET_ID_LEVEL_RANDOM_UP      (GADGET_ID_COUNTER_FIRST + 11)
-#define GADGET_ID_LEVEL_COLLECT_DOWN   (GADGET_ID_COUNTER_FIRST + 12)
-#define GADGET_ID_LEVEL_COLLECT_TEXT   (GADGET_ID_COUNTER_FIRST + 13)
-#define GADGET_ID_LEVEL_COLLECT_UP     (GADGET_ID_COUNTER_FIRST + 14)
+#define GADGET_ID_LEVEL_GEMSLIMIT_DOWN (GADGET_ID_COUNTER_FIRST + 12)
+#define GADGET_ID_LEVEL_GEMSLIMIT_TEXT (GADGET_ID_COUNTER_FIRST + 13)
+#define GADGET_ID_LEVEL_GEMSLIMIT_UP   (GADGET_ID_COUNTER_FIRST + 14)
 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN (GADGET_ID_COUNTER_FIRST + 15)
 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT (GADGET_ID_COUNTER_FIRST + 16)
 #define GADGET_ID_LEVEL_TIMELIMIT_UP   (GADGET_ID_COUNTER_FIRST + 17)
 #define GADGET_ID_ELEMENT_CONTENT_DOWN (GADGET_ID_COUNTER_FIRST + 24)
 #define GADGET_ID_ELEMENT_CONTENT_TEXT (GADGET_ID_COUNTER_FIRST + 25)
 #define GADGET_ID_ELEMENT_CONTENT_UP   (GADGET_ID_COUNTER_FIRST + 26)
-#define GADGET_ID_COLLECT_SCORE_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
-#define GADGET_ID_COLLECT_SCORE_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
-#define GADGET_ID_COLLECT_SCORE_UP     (GADGET_ID_COUNTER_FIRST + 29)
-#define GADGET_ID_COLLECT_GEMCOUNT_DOWN        (GADGET_ID_COUNTER_FIRST + 30)
-#define GADGET_ID_COLLECT_GEMCOUNT_TEXT        (GADGET_ID_COUNTER_FIRST + 31)
-#define GADGET_ID_COLLECT_GEMCOUNT_UP  (GADGET_ID_COUNTER_FIRST + 32)
+#define GADGET_ID_CUSTOM_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 27)
+#define GADGET_ID_CUSTOM_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 28)
+#define GADGET_ID_CUSTOM_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 29)
+#define GADGET_ID_CUSTOM_GEMCOUNT_DOWN (GADGET_ID_COUNTER_FIRST + 30)
+#define GADGET_ID_CUSTOM_GEMCOUNT_TEXT (GADGET_ID_COUNTER_FIRST + 31)
+#define GADGET_ID_CUSTOM_GEMCOUNT_UP   (GADGET_ID_COUNTER_FIRST + 32)
 #define GADGET_ID_PUSH_DELAY_FIX_DOWN  (GADGET_ID_COUNTER_FIRST + 33)
 #define GADGET_ID_PUSH_DELAY_FIX_TEXT  (GADGET_ID_COUNTER_FIRST + 34)
 #define GADGET_ID_PUSH_DELAY_FIX_UP    (GADGET_ID_COUNTER_FIRST + 35)
 #define GADGET_ID_CHANGE_DELAY_RND_DOWN        (GADGET_ID_COUNTER_FIRST + 48)
 #define GADGET_ID_CHANGE_DELAY_RND_TEXT        (GADGET_ID_COUNTER_FIRST + 49)
 #define GADGET_ID_CHANGE_DELAY_RND_UP  (GADGET_ID_COUNTER_FIRST + 50)
+#define GADGET_ID_CHANGE_CONT_RND_DOWN (GADGET_ID_COUNTER_FIRST + 51)
+#define GADGET_ID_CHANGE_CONT_RND_TEXT (GADGET_ID_COUNTER_FIRST + 52)
+#define GADGET_ID_CHANGE_CONT_RND_UP   (GADGET_ID_COUNTER_FIRST + 53)
 
 /* drawing area identifiers */
-#define GADGET_ID_DRAWING_AREA_FIRST   (GADGET_ID_COUNTER_FIRST + 51)
+#define GADGET_ID_DRAWING_AREA_FIRST   (GADGET_ID_COUNTER_FIRST + 54)
 
 #define GADGET_ID_DRAWING_LEVEL                (GADGET_ID_DRAWING_AREA_FIRST + 0)
 #define GADGET_ID_ELEMENT_CONTENT_0    (GADGET_ID_DRAWING_AREA_FIRST + 1)
 #define GADGET_ID_CUSTOM_GRAPHIC       (GADGET_ID_DRAWING_AREA_FIRST + 10)
 #define GADGET_ID_CUSTOM_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 11)
 #define GADGET_ID_CUSTOM_CHANGE_TARGET (GADGET_ID_DRAWING_AREA_FIRST + 12)
-#define GADGET_ID_CUSTOM_CHANGE_TRIGGER        (GADGET_ID_DRAWING_AREA_FIRST + 13)
-#define GADGET_ID_RANDOM_BACKGROUND    (GADGET_ID_DRAWING_AREA_FIRST + 14)
+#define GADGET_ID_CUSTOM_CHANGE_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 13)
+#define GADGET_ID_CUSTOM_CHANGE_TRIGGER        (GADGET_ID_DRAWING_AREA_FIRST + 14)
+#define GADGET_ID_RANDOM_BACKGROUND    (GADGET_ID_DRAWING_AREA_FIRST + 15)
 
 /* text input identifiers */
-#define GADGET_ID_TEXT_INPUT_FIRST     (GADGET_ID_DRAWING_AREA_FIRST + 15)
+#define GADGET_ID_TEXT_INPUT_FIRST     (GADGET_ID_DRAWING_AREA_FIRST + 16)
 
 #define GADGET_ID_LEVEL_NAME           (GADGET_ID_TEXT_INPUT_FIRST + 0)
 #define GADGET_ID_LEVEL_AUTHOR         (GADGET_ID_TEXT_INPUT_FIRST + 1)
 #define GADGET_ID_CUSTOM_ACCESS_LAYER  (GADGET_ID_SELECTBOX_FIRST + 8)
 #define GADGET_ID_CHANGE_TIME_UNITS    (GADGET_ID_SELECTBOX_FIRST + 9)
 #define GADGET_ID_CHANGE_PLAYER_ACTION (GADGET_ID_SELECTBOX_FIRST + 10)
-#define GADGET_ID_CHANGE_IMPACT_ACTION (GADGET_ID_SELECTBOX_FIRST + 11)
+#define GADGET_ID_CHANGE_COLLIDE_ACTION        (GADGET_ID_SELECTBOX_FIRST + 11)
 #define GADGET_ID_CHANGE_OTHER_ACTION  (GADGET_ID_SELECTBOX_FIRST + 12)
+#define GADGET_ID_CHANGE_POWER         (GADGET_ID_SELECTBOX_FIRST + 13)
 
 /* textbutton identifiers */
-#define GADGET_ID_TEXTBUTTON_FIRST     (GADGET_ID_SELECTBOX_FIRST + 13)
+#define GADGET_ID_TEXTBUTTON_FIRST     (GADGET_ID_SELECTBOX_FIRST + 14)
 
 #define GADGET_ID_PROPERTIES_INFO      (GADGET_ID_TEXTBUTTON_FIRST + 0)
 #define GADGET_ID_PROPERTIES_CONFIG    (GADGET_ID_TEXTBUTTON_FIRST + 1)
 #define GADGET_ID_CUSTOM_USE_GRAPHIC   (GADGET_ID_CHECKBUTTON_FIRST + 18)
 #define GADGET_ID_CUSTOM_USE_TEMPLATE  (GADGET_ID_CHECKBUTTON_FIRST + 19)
 #define GADGET_ID_CUSTOM_CAN_CHANGE    (GADGET_ID_CHECKBUTTON_FIRST + 20)
-#define GADGET_ID_CHANGE_DELAY         (GADGET_ID_CHECKBUTTON_FIRST + 21)
-#define GADGET_ID_CHANGE_BY_PLAYER     (GADGET_ID_CHECKBUTTON_FIRST + 22)
-#define GADGET_ID_CHANGE_IMPACT_SMASHED        (GADGET_ID_CHECKBUTTON_FIRST + 23)
-#define GADGET_ID_CHANGE_BY_OTHER      (GADGET_ID_CHECKBUTTON_FIRST + 24)
+#define GADGET_ID_CHANGE_USE_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 21)
+#define GADGET_ID_CHANGE_USE_EXPLOSION (GADGET_ID_CHECKBUTTON_FIRST + 22)
+#define GADGET_ID_CHANGE_ONLY_COMPLETE (GADGET_ID_CHECKBUTTON_FIRST + 23)
+#define GADGET_ID_CHANGE_USE_RANDOM    (GADGET_ID_CHECKBUTTON_FIRST + 24)
+#define GADGET_ID_CHANGE_DELAY         (GADGET_ID_CHECKBUTTON_FIRST + 25)
+#define GADGET_ID_CHANGE_BY_PLAYER     (GADGET_ID_CHECKBUTTON_FIRST + 26)
+#define GADGET_ID_CHANGE_BY_COLLISION  (GADGET_ID_CHECKBUTTON_FIRST + 27)
+#define GADGET_ID_CHANGE_BY_OTHER      (GADGET_ID_CHECKBUTTON_FIRST + 28)
 
 /* gadgets for buttons in element list */
-#define GADGET_ID_ELEMENTLIST_FIRST    (GADGET_ID_CHECKBUTTON_FIRST + 25)
+#define GADGET_ID_ELEMENTLIST_FIRST    (GADGET_ID_CHECKBUTTON_FIRST + 29)
 #define GADGET_ID_ELEMENTLIST_LAST     (GADGET_ID_ELEMENTLIST_FIRST +  \
                                        ED_NUM_ELEMENTLIST_BUTTONS - 1)
 
 #define ED_COUNTER_ID_SELECT_LEVEL     0
 #define ED_COUNTER_ID_LEVEL_XSIZE      1
 #define ED_COUNTER_ID_LEVEL_YSIZE      2
-#define ED_COUNTER_ID_LEVEL_COLLECT    3
+#define ED_COUNTER_ID_LEVEL_GEMSLIMIT  3
 #define ED_COUNTER_ID_LEVEL_TIMELIMIT  4
 #define ED_COUNTER_ID_LEVEL_TIMESCORE  5
 #define ED_COUNTER_ID_LEVEL_RANDOM     6
 #define ED_COUNTER_ID_ELEMENT_SCORE    7
 #define ED_COUNTER_ID_ELEMENT_CONTENT  8
-#define ED_COUNTER_ID_COLLECT_SCORE    9
-#define ED_COUNTER_ID_COLLECT_GEMCOUNT 10
+#define ED_COUNTER_ID_CUSTOM_SCORE     9
+#define ED_COUNTER_ID_CUSTOM_GEMCOUNT  10
 #define ED_COUNTER_ID_PUSH_DELAY_FIX   11
 #define ED_COUNTER_ID_PUSH_DELAY_RND   12
 #define ED_COUNTER_ID_MOVE_DELAY_FIX   13
 #define ED_COUNTER_ID_MOVE_DELAY_RND   14
 #define ED_COUNTER_ID_CHANGE_DELAY_FIX 15
 #define ED_COUNTER_ID_CHANGE_DELAY_RND 16
+#define ED_COUNTER_ID_CHANGE_CONT_RND  17
 
-#define ED_NUM_COUNTERBUTTONS          17
+#define ED_NUM_COUNTERBUTTONS          18
 
 #define ED_COUNTER_ID_LEVEL_FIRST      ED_COUNTER_ID_LEVEL_XSIZE
 #define ED_COUNTER_ID_LEVEL_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 
-#define ED_COUNTER_ID_CUSTOM_FIRST     ED_COUNTER_ID_COLLECT_SCORE
+#define ED_COUNTER_ID_CUSTOM_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 #define ED_COUNTER_ID_CUSTOM_LAST      ED_COUNTER_ID_MOVE_DELAY_RND
 
 #define ED_COUNTER_ID_CHANGE_FIRST     ED_COUNTER_ID_CHANGE_DELAY_FIX
-#define ED_COUNTER_ID_CHANGE_LAST      ED_COUNTER_ID_CHANGE_DELAY_RND
+#define ED_COUNTER_ID_CHANGE_LAST      ED_COUNTER_ID_CHANGE_CONT_RND
 
 /* values for scrollbutton gadgets */
 #define ED_SCROLLBUTTON_ID_AREA_UP     0
 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER    8
 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS      9
 #define ED_SELECTBOX_ID_CHANGE_PLAYER_ACTION   10
-#define ED_SELECTBOX_ID_CHANGE_IMPACT_ACTION   11
+#define ED_SELECTBOX_ID_CHANGE_COLLIDE_ACTION  11
 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION    12
+#define ED_SELECTBOX_ID_CHANGE_POWER           13
 
-#define ED_NUM_SELECTBOX                       13
+#define ED_NUM_SELECTBOX                       14
 
 #define ED_SELECTBOX_ID_CUSTOM_FIRST   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 #define ED_SELECTBOX_ID_CUSTOM_LAST    ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER
 
 #define ED_SELECTBOX_ID_CHANGE_FIRST   ED_SELECTBOX_ID_CHANGE_TIME_UNITS
-#define ED_SELECTBOX_ID_CHANGE_LAST    ED_SELECTBOX_ID_CHANGE_OTHER_ACTION
+#define ED_SELECTBOX_ID_CHANGE_LAST    ED_SELECTBOX_ID_CHANGE_POWER
 
 /* values for textbutton gadgets */
 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO       0
 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC   16
 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE  17
 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE    18
-#define ED_CHECKBUTTON_ID_CHANGE_DELAY         19
-#define ED_CHECKBUTTON_ID_CHANGE_BY_PLAYER     20
-#define ED_CHECKBUTTON_ID_CHANGE_IMPACT_SMASHED        21
-#define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER      22
+#define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT   19
+#define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION 20
+#define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE 21
+#define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM    22
+#define ED_CHECKBUTTON_ID_CHANGE_DELAY         23
+#define ED_CHECKBUTTON_ID_CHANGE_BY_PLAYER     24
+#define ED_CHECKBUTTON_ID_CHANGE_BY_COLLISION  25
+#define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER      26
 
-#define ED_NUM_CHECKBUTTONS                    23
+#define ED_NUM_CHECKBUTTONS                    27
 
 #define ED_CHECKBUTTON_ID_LEVEL_FIRST  ED_CHECKBUTTON_ID_DOUBLE_SPEED
 #define ED_CHECKBUTTON_ID_LEVEL_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
@@ -711,8 +731,8 @@ static struct
   {
     ED_SETTINGS_XPOS(0),               ED_COUNTER_YPOS(3),
     0,                                 999,
-    GADGET_ID_LEVEL_COLLECT_DOWN,      GADGET_ID_LEVEL_COLLECT_UP,
-    GADGET_ID_LEVEL_COLLECT_TEXT,
+    GADGET_ID_LEVEL_GEMSLIMIT_DOWN,    GADGET_ID_LEVEL_GEMSLIMIT_UP,
+    GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
     &level.gems_needed,
     "number of emeralds to collect",   NULL, NULL
   },
@@ -765,17 +785,17 @@ static struct
   {
     ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(3),
     MIN_SCORE,                         MAX_SCORE,
-    GADGET_ID_COLLECT_SCORE_DOWN,      GADGET_ID_COLLECT_SCORE_UP,
-    GADGET_ID_COLLECT_SCORE_TEXT,
-    &custom_element.collect_score,
+    GADGET_ID_CUSTOM_SCORE_DOWN,       GADGET_ID_CUSTOM_SCORE_UP,
+    GADGET_ID_CUSTOM_SCORE_TEXT,
+    &custom_element.score,
     NULL,                              "collect score", NULL
   },
   {
     ED_SETTINGS_XPOS(13) + 10,         ED_SETTINGS_YPOS(3),
     MIN_GEM_COUNT,                     MAX_GEM_COUNT,
-    GADGET_ID_COLLECT_GEMCOUNT_DOWN,   GADGET_ID_COLLECT_GEMCOUNT_UP,
-    GADGET_ID_COLLECT_GEMCOUNT_TEXT,
-    &custom_element.collect_gem_count,
+    GADGET_ID_CUSTOM_GEMCOUNT_DOWN,    GADGET_ID_CUSTOM_GEMCOUNT_UP,
+    GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
+    &custom_element.gem_count,
     NULL,                              "gems", NULL
   },
   {
@@ -828,7 +848,15 @@ static struct
     GADGET_ID_CHANGE_DELAY_RND_TEXT,
     &custom_element.change.delay_random,
     NULL,                              "+random", NULL
-  }
+  },
+  {
+    ED_SETTINGS_XPOS(3),               ED_SETTINGS_YPOS(12),
+    0,                                 100,
+    GADGET_ID_CHANGE_CONT_RND_DOWN,    GADGET_ID_CHANGE_CONT_RND_UP,
+    GADGET_ID_CHANGE_CONT_RND_TEXT,
+    &custom_element.change.random,
+    NULL,                              "use random change:", NULL
+  },
 };
 
 static struct
@@ -856,6 +884,21 @@ static struct
   }
 };
 
+static struct ValueTextInfo options_access_type[] =
+{
+  { EP_WALKABLE,               "walk"                          },
+  { EP_PASSABLE,               "pass"                          },
+  { -1,                                NULL                            }
+};
+
+static struct ValueTextInfo options_access_layer[] =
+{
+  { EP_ACCESSIBLE_OVER,                "over"                          },
+  { EP_ACCESSIBLE_INSIDE,      "inside"                        },
+  { EP_ACCESSIBLE_UNDER,       "under"                         },
+  { -1,                                NULL                            }
+};
+
 static struct ValueTextInfo options_walk_to_action[] =
 {
   { EP_DIGGABLE,               "diggable"                      },
@@ -863,7 +906,6 @@ static struct ValueTextInfo options_walk_to_action[] =
   { EP_PUSHABLE,               "pushable"                      },
   { -1,                                NULL                            }
 };
-static int value_walk_to_action = 0;
 
 static struct ValueTextInfo options_move_pattern[] =
 {
@@ -903,23 +945,6 @@ static struct ValueTextInfo options_move_stepsize[] =
   { -1,                                NULL                            }
 };
 
-static struct ValueTextInfo options_consistency[] =
-{
-  { EP_CAN_EXPLODE,            "can explode"                   },
-  { EP_INDESTRUCTIBLE,         "indestructible"                },
-  { -1,                                NULL                            }
-};
-static int value_consistency = 0;
-
-static struct ValueTextInfo options_deadliness[] =
-{
-  { EP_DONT_RUN_INTO,          "running into"                  },
-  { EP_DONT_COLLIDE_WITH,      "colliding with"                },
-  { EP_DONT_TOUCH,             "touching"                      },
-  { -1,                                NULL                            }
-};
-static int value_deadliness = 0;
-
 static struct ValueTextInfo options_smash_targets[] =
 {
   { EP_CAN_SMASH_PLAYER,       "player"                        },
@@ -927,24 +952,21 @@ static struct ValueTextInfo options_smash_targets[] =
   { EP_CAN_SMASH_EVERYTHING,   "everything"                    },
   { -1,                                NULL                            }
 };
-static int value_smash_targets = 0;
 
-static struct ValueTextInfo options_access_type[] =
+static struct ValueTextInfo options_deadliness[] =
 {
-  { EP_WALKABLE,               "walk"                          },
-  { EP_PASSABLE,               "pass"                          },
+  { EP_DONT_RUN_INTO,          "running into"                  },
+  { EP_DONT_COLLIDE_WITH,      "colliding with"                },
+  { EP_DONT_TOUCH,             "touching"                      },
   { -1,                                NULL                            }
 };
-static int value_access_type = 0;
 
-static struct ValueTextInfo options_access_layer[] =
+static struct ValueTextInfo options_consistency[] =
 {
-  { EP_ACCESSIBLE_OVER,                "over"                          },
-  { EP_ACCESSIBLE_INSIDE,      "inside"                        },
-  { EP_ACCESSIBLE_UNDER,       "under"                         },
+  { EP_CAN_EXPLODE,            "can explode"                   },
+  { EP_INDESTRUCTIBLE,         "indestructible"                },
   { -1,                                NULL                            }
 };
-static int value_access_layer = 0;
 
 static struct ValueTextInfo options_time_units[] =
 {
@@ -960,25 +982,34 @@ static struct ValueTextInfo options_change_player_action[] =
   { CE_PUSHED_BY_PLAYER,       "pushed"                        },
   { -1,                                NULL                            }
 };
-static int value_change_player_action = 0;
 
-static struct ValueTextInfo options_change_impact_action[] =
+static struct ValueTextInfo options_change_collide_action[] =
 {
+  { CE_COLLISION,              "on collision"                  },
   { CE_IMPACT,                 "on impact"                     },
   { CE_SMASHED,                        "when smashed"                  },
   { -1,                                NULL                            }
 };
-static int value_change_impact_action = 0;
 
 static struct ValueTextInfo options_change_other_action[] =
 {
-  { CE_OTHER_COLLECTING,       "collecting"                    },
-  { CE_OTHER_PUSHING,          "pushing"                       },
-  { CE_OTHER_CHANGING,         "change of"                     },
-  { CE_OTHER_EXPLODING,                "explosion of"                  },
+  { CE_OTHER_IS_TOUCHING,              "touching"                      },
+  { CE_OTHER_IS_CHANGING,              "change of"                     },
+  { CE_OTHER_IS_EXPLODING,             "explosion of"                  },
+  { CE_OTHER_GETS_TOUCHED,             "player touches"                },
+  { CE_OTHER_GETS_PRESSED,             "player presses"                },
+  { CE_OTHER_GETS_PUSHED,              "player pushes"                 },
+  { CE_OTHER_GETS_COLLECTED,           "player collects"               },
+  { -1,                                NULL                                    }
+};
+
+static struct ValueTextInfo options_change_power[] =
+{
+  { CP_NON_DESTRUCTIVE,                "non-destructive"               },
+  { CP_HALF_DESTRUCTIVE,       "half-destructive"              },
+  { CP_FULL_DESTRUCTIVE,       "full-destructive"              },
   { -1,                                NULL                            }
 };
-static int value_change_other_action = 0;
 
 static struct
 {
@@ -997,7 +1028,7 @@ static struct
     GADGET_ID_CUSTOM_ACCESS_TYPE,
     -1,
     options_access_type,
-    &value_access_type,
+    &custom_element.access_type,
     "player can", NULL, "type of access to this field"
   },
   {
@@ -1005,7 +1036,7 @@ static struct
     GADGET_ID_CUSTOM_ACCESS_LAYER,
     -1,
     options_access_layer,
-    &value_access_layer,
+    &custom_element.access_layer,
     NULL, NULL, "layer of access for this field"
   },
   {
@@ -1013,7 +1044,7 @@ static struct
     GADGET_ID_CUSTOM_WALK_TO_ACTION,
     -1,
     options_walk_to_action,
-    &value_walk_to_action,
+    &custom_element.walk_to_action,
     NULL, NULL, "diggable/collectible/pushable"
   },
   {
@@ -1045,7 +1076,7 @@ static struct
     GADGET_ID_CUSTOM_SMASH_TARGETS,
     -1,
     options_smash_targets,
-    &value_smash_targets,
+    &custom_element.smash_targets,
     "can smash", NULL, "elements that can be smashed"
   },
   {
@@ -1053,7 +1084,7 @@ static struct
     GADGET_ID_CUSTOM_DEADLINESS,
     -1,
     options_deadliness,
-    &value_deadliness,
+    &custom_element.deadliness,
     "deadly when", NULL, "deadliness of element"
   },
   {
@@ -1061,7 +1092,7 @@ static struct
     GADGET_ID_CUSTOM_CONSISTENCY,
     -1,
     options_consistency,
-    &value_consistency,
+    &custom_element.consistency,
     NULL, "explodes to:", "consistency/destructibility"
   },
 
@@ -1080,15 +1111,15 @@ static struct
     GADGET_ID_CHANGE_PLAYER_ACTION,
     -1,
     options_change_player_action,
-    &value_change_player_action,
+    &custom_element.change_player_action,
     NULL, "by player", "type of player contact"
   },
   {
     ED_SETTINGS_XPOS(2),               ED_SETTINGS_YPOS(6),
-    GADGET_ID_CHANGE_IMPACT_ACTION,
+    GADGET_ID_CHANGE_COLLIDE_ACTION,
     -1,
-    options_change_impact_action,
-    &value_change_impact_action,
+    options_change_collide_action,
+    &custom_element.change_collide_action,
     NULL, NULL, "change after impact or smash"
   },
   {
@@ -1096,8 +1127,16 @@ static struct
     GADGET_ID_CHANGE_OTHER_ACTION,
     -1,
     options_change_other_action,
-    &value_change_other_action,
-    NULL, "other element:", "type of other element action"
+    &custom_element.change_other_action,
+    NULL, "element:", "type of other element action"
+  },
+  {
+    ED_SETTINGS_XPOS(2),               ED_SETTINGS_YPOS(10),
+    GADGET_ID_CHANGE_POWER,
+    -1,
+    options_change_power,
+    &custom_element.change.power,
+    "power:", NULL, "power of extended change"
   },
 };
 
@@ -1125,7 +1164,7 @@ static struct
     11, "Advanced",                    "Advanced element configuration"
   },
   {
-    ED_SETTINGS_XPOS(0) + 262,         ED_SETTINGS_YPOS(12),
+    ED_SETTINGS_XPOS(0) + 262,         ED_SETTINGS_YPOS(13),
     GADGET_ID_SAVE_AS_TEMPLATE,
     -1, "Save as template",            "Save current settings as new template"
   },
@@ -1336,19 +1375,19 @@ static struct
   {
     ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(13),
     GADGET_ID_CUSTOM_EXPLODE_FIRE,
-    &custom_element_properties[EP_CAN_EXPLODE_BY_FIRE],
+    &custom_element.can_explode_by_fire,
     "by fire",                         "element can explode by fire/explosion"
   },
   {
     ED_SETTINGS_XPOS(7),               ED_SETTINGS_YPOS(13),
     GADGET_ID_CUSTOM_EXPLODE_SMASH,
-    &custom_element_properties[EP_CAN_EXPLODE_SMASHED],
+    &custom_element.can_explode_smashed,
     "smashed",                         "element can explode when smashed"
   },
   {
     ED_SETTINGS_XPOS(13),              ED_SETTINGS_YPOS(13),
     GADGET_ID_CUSTOM_EXPLODE_IMPACT,
-    &custom_element_properties[EP_CAN_EXPLODE_IMPACT],
+    &custom_element.can_explode_impact,
     "impact",                          "element can explode on impact"
   },
 
@@ -1380,8 +1419,8 @@ static struct
   },
   {
     ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(6),
-    GADGET_ID_CHANGE_IMPACT_SMASHED,
-    &custom_element_change_events[CE_IMPACT_SMASHED],
+    GADGET_ID_CHANGE_BY_COLLISION,
+    &custom_element_change_events[CE_BY_COLLISION],
     NULL,                              "element changes by impact or smash"
   },
   {
@@ -1391,9 +1430,33 @@ static struct
     NULL,                              "element changes by other element"
   },
   {
-    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(12),
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(8),
+    GADGET_ID_CHANGE_USE_EXPLOSION,
+    &custom_element.change.explode,
+    "explode instead of change",       "element explodes instead of change"
+  },
+  {
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(9),
+    GADGET_ID_CHANGE_USE_CONTENT,
+    &custom_element.change.use_content,
+    "use extended change target:",     "element changes to more elements"
+  },
+  {
+    ED_SETTINGS_XPOS(2),               ED_SETTINGS_YPOS(11),
+    GADGET_ID_CHANGE_ONLY_COMPLETE,
+    &custom_element.change.only_complete,
+    "only use complete change",                "only use complete extended content"
+  },
+  {
+    ED_SETTINGS_XPOS(2),               ED_SETTINGS_YPOS(12),
+    GADGET_ID_CHANGE_USE_RANDOM,
+    &custom_element.change.use_random_change,
+    NULL,                              "use random value for new content"
+  },
+  {
+    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(13),
     GADGET_ID_CUSTOM_USE_TEMPLATE,
-    &custom_element.use_template,
+    &level.use_custom_template,
     "use template",                    "use template for custom properties"
   },
 };
@@ -2806,7 +2869,7 @@ static void CreateDrawingAreas()
 
   level_editor_gadget[id] = gi;
 
-  /* ... one areas for custom element explosion content ... */
+  /* ... one area for custom element explosion content ... */
   id = GADGET_ID_CUSTOM_CONTENT;
   gi = CreateGadget(GDI_CUSTOM_ID, id,
                    GDI_CUSTOM_TYPE_ID, i,
@@ -2845,6 +2908,26 @@ static void CreateDrawingAreas()
 
   level_editor_gadget[id] = gi;
 
+  /* ... one area for extended custom element change target content ... */
+  id = GADGET_ID_CUSTOM_CHANGE_CONTENT;
+  gi = CreateGadget(GDI_CUSTOM_ID, id,
+                   GDI_CUSTOM_TYPE_ID, i,
+                   GDI_X, SX + ED_AREA_ELEM_CONTENT6_XPOS,
+                   GDI_Y, SX + ED_AREA_ELEM_CONTENT6_YPOS,
+                   GDI_WIDTH, 3 * MINI_TILEX,
+                   GDI_HEIGHT, 3 * MINI_TILEY,
+                   GDI_TYPE, GD_TYPE_DRAWING_AREA,
+                   GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
+                   GDI_EVENT_MASK, event_mask,
+                   GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
+                   GDI_CALLBACK_ACTION, HandleDrawingAreas,
+                   GDI_END);
+
+  if (gi == NULL)
+    Error(ERR_EXIT, "cannot create gadget");
+
+  level_editor_gadget[id] = gi;
+
   /* ... one for each custom element change trigger element ... */
   id = GADGET_ID_CUSTOM_CHANGE_TRIGGER;
   gi = CreateGadget(GDI_CUSTOM_ID, id,
@@ -3522,6 +3605,9 @@ static void CopyCustomElementPropertiesToEditor(int element)
 {
   int i;
 
+  /* needed here to initialize combined element properties */
+  InitElementPropertiesEngine(level.game_version);
+
   custom_element = element_info[properties_element];
 
   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
@@ -3530,149 +3616,189 @@ static void CopyCustomElementPropertiesToEditor(int element)
   for (i=0; i < NUM_CHANGE_EVENTS; i++)
     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
 
+  /* ---------- element settings: configure (custom elements) ------------- */
+
+  /* set accessible layer selectbox help value */
+  custom_element.access_type =
+    (IS_WALKABLE(element) ? EP_WALKABLE :
+     IS_PASSABLE(element) ? EP_PASSABLE :
+     custom_element.access_type);
+  custom_element.access_layer =
+    (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
+     IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
+     IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
+     custom_element.access_layer);
+  custom_element_properties[EP_ACCESSIBLE] =
+    (IS_ACCESSIBLE_OVER(element) ||
+     IS_ACCESSIBLE_INSIDE(element) ||
+     IS_ACCESSIBLE_UNDER(element));
+
   /* set walk-to-object action selectbox help value */
-  value_walk_to_action =
+  custom_element.walk_to_action =
     (IS_DIGGABLE(element) ? EP_DIGGABLE :
      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
      IS_PUSHABLE(element) ? EP_PUSHABLE :
-     EP_DIGGABLE);
+     custom_element.walk_to_action);
   custom_element_properties[EP_WALK_TO_OBJECT] =
     (IS_DIGGABLE(element) ||
      IS_COLLECTIBLE(element) ||
      IS_PUSHABLE(element));
 
-  /* set consistency selectbox help value */
-  value_consistency =
-    (CAN_EXPLODE(element) ? EP_CAN_EXPLODE :
-     IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
-     EP_CAN_EXPLODE);
-  custom_element_properties[EP_EXPLODE_RESULT] =
-    (CAN_EXPLODE(element) ||
-     IS_INDESTRUCTIBLE(element));
+  /* set smash targets selectbox help value */
+  custom_element.smash_targets =
+    (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
+     CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
+     CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
+     custom_element.smash_targets);
+  custom_element_properties[EP_CAN_SMASH] =
+    (CAN_SMASH_EVERYTHING(element) ||
+     CAN_SMASH_ENEMIES(element) ||
+     CAN_SMASH_PLAYER(element));
 
   /* set deadliness selectbox help value */
-  value_deadliness =
+  custom_element.deadliness =
     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
-     EP_DONT_RUN_INTO);
+     custom_element.deadliness);
   custom_element_properties[EP_DEADLY] =
     (DONT_TOUCH(element) ||
      DONT_COLLIDE_WITH(element) ||
      DONT_RUN_INTO(element));
 
-  /* set smash targets selectbox help value */
-  value_smash_targets =
-    (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
-     CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
-     CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
-     EP_CAN_SMASH_PLAYER);
-  custom_element_properties[EP_CAN_SMASH] =
-    (CAN_SMASH_EVERYTHING(element) ||
-     CAN_SMASH_ENEMIES(element) ||
-     CAN_SMASH_PLAYER(element));
+  /* set consistency selectbox help value */
+  custom_element.consistency =
+    (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
+     CAN_EXPLODE(element) ? EP_CAN_EXPLODE :
+     custom_element.consistency);
+  custom_element_properties[EP_EXPLODE_RESULT] =
+    (IS_INDESTRUCTIBLE(element) ||
+     CAN_EXPLODE(element));
 
-  /* set accessible layer selectbox help value */
-  value_access_type =
-    (IS_WALKABLE(element) ? EP_WALKABLE :
-     IS_PASSABLE(element) ? EP_PASSABLE :
-     EP_WALKABLE);
-  value_access_layer =
-    (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
-     IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
-     IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
-     EP_ACCESSIBLE_OVER);
-  custom_element_properties[EP_ACCESSIBLE] =
-    (IS_ACCESSIBLE_OVER(element) ||
-     IS_ACCESSIBLE_INSIDE(element) ||
-     IS_ACCESSIBLE_UNDER(element));
+  /* special case: sub-settings dependent from main setting */
+  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;
+
+  /* ---------- element settings: advanced (custom elements) --------------- */
 
   /* set change by player selectbox help value */
-  value_change_player_action =
+  custom_element.change_player_action =
     (HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
-     CE_PRESSED_BY_PLAYER);
+     custom_element.change_player_action);
 
-  /* set change by impact/smash selectbox help value */
-  value_change_impact_action =
+  /* set change by collision selectbox help value */
+  custom_element.change_collide_action =
     (HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
-     CE_IMPACT);
+     HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
+     custom_element.change_collide_action);
 
   /* set change by other element action selectbox help value */
-  value_change_other_action =
-    (HAS_CHANGE_EVENT(element, CE_OTHER_EXPLODING) ? CE_OTHER_EXPLODING :
-     HAS_CHANGE_EVENT(element, CE_OTHER_CHANGING) ? CE_OTHER_CHANGING :
-     HAS_CHANGE_EVENT(element, CE_OTHER_PUSHING) ? CE_OTHER_PUSHING :
-     HAS_CHANGE_EVENT(element, CE_OTHER_COLLECTING) ? CE_OTHER_COLLECTING :
-     CE_OTHER_COLLECTING);
+  custom_element.change_other_action =
+    (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
+     HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
+     HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
+     HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
+     HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
+     HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
+     HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
+     custom_element.change_other_action);
 }
 
 static void CopyCustomElementPropertiesToGame(int element)
 {
   int i;
+  int access_type_and_layer;
 
   element_info[properties_element] = custom_element;
 
+  /* ---------- element settings: configure (custom elements) ------------- */
+
+  /* set accessible property from checkbox and selectbox */
+  custom_element_properties[EP_WALKABLE_OVER] = FALSE;
+  custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
+  custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
+  custom_element_properties[EP_PASSABLE_OVER] = FALSE;
+  custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
+  custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
+  access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
+                           EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
+                          (custom_element.access_layer - EP_ACCESSIBLE_OVER));
+  custom_element_properties[access_type_and_layer] =
+    custom_element_properties[EP_ACCESSIBLE];
+
   /* set walk-to-object property from checkbox and selectbox */
   custom_element_properties[EP_DIGGABLE] = FALSE;
   custom_element_properties[EP_COLLECTIBLE] = FALSE;
   custom_element_properties[EP_PUSHABLE] = FALSE;
-  custom_element_properties[value_walk_to_action] =
+  custom_element_properties[custom_element.walk_to_action] =
     custom_element_properties[EP_WALK_TO_OBJECT];
 
-  /* set consistency property from checkbox and selectbox */
-  custom_element_properties[EP_CAN_EXPLODE] = FALSE;
-  custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
-  custom_element_properties[value_consistency] =
-    custom_element_properties[EP_EXPLODE_RESULT];
+  /* set smash property from checkbox and selectbox */
+  custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
+  custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
+  custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
+  custom_element_properties[custom_element.smash_targets] =
+    custom_element_properties[EP_CAN_SMASH];
 
   /* set deadliness property from checkbox and selectbox */
   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
   custom_element_properties[EP_DONT_TOUCH] = FALSE;
-  custom_element_properties[value_deadliness] =
+  custom_element_properties[custom_element.deadliness] =
     custom_element_properties[EP_DEADLY];
 
-  /* set smash property from checkbox and selectbox */
-  custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
-  custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
-  custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
-  custom_element_properties[value_smash_targets] =
-    custom_element_properties[EP_CAN_SMASH];
+  /* set consistency property from checkbox and selectbox */
+  custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
+  custom_element_properties[EP_CAN_EXPLODE] = 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];
 
-  /* set accessible property from checkbox and selectbox */
-  custom_element_properties[EP_WALKABLE_OVER] = FALSE;
-  custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
-  custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
-  custom_element_properties[EP_PASSABLE_OVER] = FALSE;
-  custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
-  custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
-  custom_element_properties[((value_access_type == EP_WALKABLE ?
-                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
-                            (value_access_layer - EP_ACCESSIBLE_OVER))] =
-    custom_element_properties[EP_ACCESSIBLE];
+  /* special case: sub-settings dependent from main setting */
+  if (custom_element_properties[EP_CAN_EXPLODE])
+  {
+    custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
+      custom_element.can_explode_by_fire;
+    custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
+      custom_element.can_explode_smashed;
+    custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
+      custom_element.can_explode_impact;
+  }
+
+  /* ---------- element settings: advanced (custom elements) --------------- */
 
   /* set player change event from checkbox and selectbox */
   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
-  custom_element_change_events[value_change_player_action] =
+  custom_element_change_events[custom_element.change_player_action] =
     custom_element_change_events[CE_BY_PLAYER];
 
-  /* set player change event from checkbox and selectbox */
+  /* set collision change event from checkbox and selectbox */
+  custom_element_change_events[CE_COLLISION] = FALSE;
   custom_element_change_events[CE_IMPACT] = FALSE;
   custom_element_change_events[CE_SMASHED] = FALSE;
-  custom_element_change_events[value_change_impact_action] =
-    custom_element_change_events[CE_IMPACT_SMASHED];
+  custom_element_change_events[custom_element.change_collide_action] =
+    custom_element_change_events[CE_BY_COLLISION];
 
   /* set other element action change event from checkbox and selectbox */
-  custom_element_change_events[CE_OTHER_COLLECTING] = FALSE;
-  custom_element_change_events[CE_OTHER_PUSHING] = FALSE;
-  custom_element_change_events[CE_OTHER_CHANGING] = FALSE;
-  custom_element_change_events[CE_OTHER_EXPLODING] = FALSE;
-  custom_element_change_events[value_change_other_action] =
+  custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
+  custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
+  custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
+  custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
+  custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
+  custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
+  custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
+  custom_element_change_events[custom_element.change_other_action] =
     custom_element_change_events[CE_BY_OTHER];
 
   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
@@ -3733,6 +3859,7 @@ void DrawLevelEd()
   redraw_mask |= REDRAW_ALL;
 
   ReinitializeElementListButtons();    /* only needed after setup changes */
+  ModifyEditorElementList();           /* may be needed for custom elements */
 
   UnmapTapeButtons();
   MapControlButtons();
@@ -4110,11 +4237,36 @@ static void DrawCustomChangeTargetArea()
 
   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
   DrawMiniGraphicExt(drawto, gi->x, gi->y,
-                    el2edimg(custom_element.change.successor));
+                    el2edimg(custom_element.change.target_element));
 
   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TARGET);
 }
 
+static void DrawCustomChangeContentArea()
+{
+  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_CONTENT];
+  int area_sx = SX + ED_AREA_ELEM_CONTENT6_XPOS;
+  int area_sy = SY + ED_AREA_ELEM_CONTENT6_YPOS;
+  int x, y;
+
+  if (!IS_CUSTOM_ELEMENT(properties_element))
+  {
+    /* this should never happen */
+    Error(ERR_WARN, "element %d is no custom element", properties_element);
+
+    return;
+  }
+
+  DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
+
+  for (y=0; y<3; y++)
+    for (x=0; x<3; x++)
+      DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
+                        el2edimg(custom_element.change.content[x][y]));
+
+  MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_CONTENT);
+}
+
 static void DrawCustomChangeTriggerArea()
 {
   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TRIGGER];
@@ -4133,7 +4285,7 @@ static void DrawCustomChangeTriggerArea()
 
   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
   DrawMiniGraphicExt(drawto, gi->x, gi->y,
-                    el2edimg(custom_element.change.trigger));
+                    el2edimg(custom_element.change.trigger_element));
 
   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TRIGGER);
 }
@@ -4368,19 +4520,9 @@ static void DrawPropertiesTabulatorGadgets()
   int gd_y = gd->y + gd_gi->height - 1;
   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
-#if 1
   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
-#else
-  int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
-#endif
   int i;
 
-#if 0
-  /* draw additional "configure" tabulator for configurable elements */
-  if (checkPropertiesConfig())
-    id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
-#endif
-
   /* draw additional "advanced" tabulator for custom elements */
   if (IS_CUSTOM_ELEMENT(properties_element))
     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
@@ -4672,6 +4814,16 @@ static void DrawPropertiesConfig()
   }
 }
 
+static void DrawPropertiesAdvancedDrawingAreas()
+{
+  DrawCustomGraphicElementArea();
+  DrawCustomChangeTargetArea();
+  DrawCustomChangeTriggerArea();
+  DrawCustomChangeContentArea();
+
+  redraw_mask |= REDRAW_FIELD;
+}
+
 static void DrawPropertiesAdvanced()
 {
   int i;
@@ -4698,9 +4850,7 @@ static void DrawPropertiesAdvanced()
   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
 
   /* draw drawing area gadgets */
-  DrawCustomGraphicElementArea();
-  DrawCustomChangeTargetArea();
-  DrawCustomChangeTriggerArea();
+  DrawPropertiesAdvancedDrawingAreas();
 }
 
 static void DrawElementName(int x, int y, int element)
@@ -4760,12 +4910,6 @@ static void DrawPropertiesWindow()
       !IS_CUSTOM_ELEMENT(properties_element))
     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
 
-#if 0
-  if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
-      !checkPropertiesConfig())
-    edit_mode_properties = ED_MODE_PROPERTIES_INFO;
-#endif
-
   if (IS_CUSTOM_ELEMENT(properties_element))
     CopyCustomElementPropertiesToEditor(properties_element);
 
@@ -5548,12 +5692,17 @@ static void HandleDrawingAreas(struct GadgetInfo *gi)
        }
        else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
        {
-         custom_element.change.successor = new_element;
+         custom_element.change.target_element = new_element;
+         element_info[properties_element] = custom_element;
+       }
+       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
+       {
+         custom_element.change.content[sx][sy] = new_element;
          element_info[properties_element] = custom_element;
        }
        else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
        {
-         custom_element.change.trigger = new_element;
+         custom_element.change.trigger_element = new_element;
          element_info[properties_element] = custom_element;
        }
        else if (id == GADGET_ID_RANDOM_BACKGROUND)
@@ -5667,9 +5816,11 @@ static void HandleDrawingAreas(struct GadgetInfo *gi)
       else if (id == GADGET_ID_CUSTOM_CONTENT)
        PickDrawingElement(button, custom_element.content[sx][sy]);
       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
-       PickDrawingElement(button, custom_element.change.successor);
+       PickDrawingElement(button, custom_element.change.target_element);
+      else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
+       PickDrawingElement(button, custom_element.change.content[sx][sy]);
       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
-       PickDrawingElement(button, custom_element.change.trigger);
+       PickDrawingElement(button, custom_element.change.trigger_element);
       else if (id == GADGET_ID_RANDOM_BACKGROUND)
        PickDrawingElement(button, random_placement_background_element);
       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
@@ -5801,6 +5952,8 @@ static void HandleCheckbuttons(struct GadgetInfo *gi)
   {
     ModifyEditorElementList();
     RedrawDrawingElements();
+
+    DrawPropertiesAdvancedDrawingAreas();
   }
 }
 
@@ -6399,30 +6552,33 @@ static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
   {
     if (id == GADGET_ID_AMOEBA_CONTENT)
-      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
-               "%s", getElementInfoText(level.amoeba_content));
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+               getElementInfoText(level.amoeba_content));
     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
-      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
-               "%s", getElementInfoText(custom_element.use_gfx_element));
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+               getElementInfoText(custom_element.gfx_element));
     else if (id == GADGET_ID_CUSTOM_CONTENT)
-      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
-               "%s", getElementInfoText(custom_element.content[sx][sy]));
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+               getElementInfoText(custom_element.content[sx][sy]));
     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
-      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
-               "%s", getElementInfoText(custom_element.change.successor));
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+               getElementInfoText(custom_element.change.target_element));
+    else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+               getElementInfoText(custom_element.change.content[sx][sy]));
     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
-      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
-               "%s", getElementInfoText(custom_element.change.trigger));
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+               getElementInfoText(custom_element.change.trigger_element));
     else if (id == GADGET_ID_RANDOM_BACKGROUND)
-      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
-               "%s", getElementInfoText(random_placement_background_element));
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+               getElementInfoText(random_placement_background_element));
     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
             id <= GADGET_ID_ELEMENT_CONTENT_7)
     {
       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
 
-      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
-               "%s", getElementInfoText(level.yamyam_content[i][sx][sy]));
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+               getElementInfoText(level.yamyam_content[i][sx][sy]));
     }
   }
   else
@@ -6439,6 +6595,9 @@ static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
                "New element after change");
+    else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+               "New extended elements after change");
     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
                "Other element triggering change");