rnd-20030417-1-src
[rocksndiamonds.git] / src / init.c
index 05ccd33732a21659a9648c802b6db09cf61d9967..34d4ef14d51ae6093f72a112805563e3f51263ab 100644 (file)
@@ -363,7 +363,7 @@ void InitFontGraphicInfo()
   /* ---------- initialize font bitmap array ---------- */
 
   if (font_bitmap_info != NULL)
-    free(font_bitmap_info);
+    FreeFontInfo(font_bitmap_info);
 
   font_bitmap_info =
     checked_calloc(num_font_bitmaps * sizeof(struct FontBitmapInfo));
@@ -383,7 +383,7 @@ void InitFontGraphicInfo()
       int font_bitmap_id = font_info[i].special_bitmap_id[j];
       int graphic = font_info[i].special_graphic[j];
 
-      /* set 'graphic_info' for font entries, if uninitialized */
+      /* set 'graphic_info' for font entries, if uninitialized (guessed) */
       if (graphic_info[graphic].anim_frames < MIN_NUM_CHARS_PER_FONT)
       {
        graphic_info[graphic].anim_frames = DEFAULT_NUM_CHARS_PER_FONT;
@@ -576,7 +576,8 @@ static void set_graphic_parameters(int graphic, char **parameter_raw)
 {
   Bitmap *src_bitmap = getBitmapFromImageID(graphic);
   int parameter[NUM_GFX_ARGS];
-  int num_xtiles = 1, num_ytiles = 1;
+  int anim_frames_per_row = 1, anim_frames_per_col = 1;
+  int anim_frames_per_line = 1;
   int i;
 
   /* get integer values from string parameters */
@@ -615,19 +616,25 @@ static void set_graphic_parameters(int graphic, char **parameter_raw)
 
   if (src_bitmap)
   {
-    num_xtiles = src_bitmap->width  / graphic_info[graphic].width;
-    num_ytiles = src_bitmap->height / graphic_info[graphic].height;
+    anim_frames_per_row = src_bitmap->width  / graphic_info[graphic].width;
+    anim_frames_per_col = src_bitmap->height / graphic_info[graphic].height;
   }
 
   /* correct x or y offset dependant of vertical or horizontal frame order */
   if (parameter[GFX_ARG_VERTICAL])     /* frames are ordered vertically */
+  {
     graphic_info[graphic].offset_y =
       (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
        parameter[GFX_ARG_OFFSET] : graphic_info[graphic].height);
+    anim_frames_per_line = anim_frames_per_col;
+  }
   else                                 /* frames are ordered horizontally */
+  {
     graphic_info[graphic].offset_x =
       (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
        parameter[GFX_ARG_OFFSET] : graphic_info[graphic].width);
+    anim_frames_per_line = anim_frames_per_row;
+  }
 
   /* optionally, the x and y offset of frames can be specified directly */
   if (parameter[GFX_ARG_XOFFSET] != ARG_UNDEFINED_VALUE)
@@ -639,15 +646,15 @@ static void set_graphic_parameters(int graphic, char **parameter_raw)
   if (parameter[GFX_ARG_FRAMES] != ARG_UNDEFINED_VALUE)
     graphic_info[graphic].anim_frames = parameter[GFX_ARG_FRAMES];
   else if (parameter[GFX_ARG_XPOS] == 0 && !parameter[GFX_ARG_VERTICAL])
-    graphic_info[graphic].anim_frames =        num_xtiles;
+    graphic_info[graphic].anim_frames =        anim_frames_per_row;
   else if (parameter[GFX_ARG_YPOS] == 0 && parameter[GFX_ARG_VERTICAL])
-    graphic_info[graphic].anim_frames =        num_ytiles;
+    graphic_info[graphic].anim_frames =        anim_frames_per_col;
   else
     graphic_info[graphic].anim_frames = 1;
 
   graphic_info[graphic].anim_frames_per_line =
     (parameter[GFX_ARG_FRAMES_PER_LINE] != ARG_UNDEFINED_VALUE ?
-     parameter[GFX_ARG_FRAMES_PER_LINE] : graphic_info[graphic].anim_frames);
+     parameter[GFX_ARG_FRAMES_PER_LINE] : anim_frames_per_line);
 
   graphic_info[graphic].anim_delay = parameter[GFX_ARG_DELAY];
   if (graphic_info[graphic].anim_delay == 0)   /* delay must be at least 1 */
@@ -1080,9 +1087,9 @@ void InitElementProperties()
     EL_AMOEBA_WET,
     EL_AMOEBA_DRY,
     EL_AMOEBA_FULL,
-    EL_BD_AMOEBA
+    EL_BD_AMOEBA,
+    -1
   };
-  static int ep_amoebalive_num = SIZEOF_ARRAY_INT(ep_amoebalive);
 
   static int ep_amoeboid[] =
   {
@@ -1090,22 +1097,18 @@ void InitElementProperties()
     EL_AMOEBA_WET,
     EL_AMOEBA_DRY,
     EL_AMOEBA_FULL,
-    EL_BD_AMOEBA
+    EL_BD_AMOEBA,
+    -1
   };
-  static int ep_amoeboid_num = SIZEOF_ARRAY_INT(ep_amoeboid);
 
-  static int ep_schluessel[] =
+  static int ep_can_be_crumbled[] =
   {
-    EL_KEY_1,
-    EL_KEY_2,
-    EL_KEY_3,
-    EL_KEY_4,
-    EL_EM_KEY_1,
-    EL_EM_KEY_2,
-    EL_EM_KEY_3,
-    EL_EM_KEY_4
+    EL_SAND,
+    EL_LANDMINE,
+    EL_TRAP,
+    EL_TRAP_ACTIVE,
+    -1
   };
-  static int ep_schluessel_num = SIZEOF_ARRAY_INT(ep_schluessel);
 
   static int ep_pforte[] =
   {
@@ -1143,9 +1146,9 @@ void InitElementProperties()
     EL_TUBE_LEFT_UP,
     EL_TUBE_LEFT_DOWN,
     EL_TUBE_RIGHT_UP,
-    EL_TUBE_RIGHT_DOWN
+    EL_TUBE_RIGHT_DOWN,
+    -1
   };
-  static int ep_pforte_num = SIZEOF_ARRAY_INT(ep_pforte);
 
   static int ep_solid[] =
   {
@@ -1298,9 +1301,9 @@ void InitElementProperties()
     EL_TUBE_LEFT_UP,
     EL_TUBE_LEFT_DOWN,
     EL_TUBE_RIGHT_UP,
-    EL_TUBE_RIGHT_DOWN
+    EL_TUBE_RIGHT_DOWN,
+    -1
   };
-  static int ep_solid_num = SIZEOF_ARRAY_INT(ep_solid);
 
   static int ep_indestructible[] =
   {
@@ -1390,9 +1393,9 @@ void InitElementProperties()
     EL_TUBE_LEFT_UP,
     EL_TUBE_LEFT_DOWN,
     EL_TUBE_RIGHT_UP,
-    EL_TUBE_RIGHT_DOWN
+    EL_TUBE_RIGHT_DOWN,
+    -1
   };
-  static int ep_indestructible_num = SIZEOF_ARRAY_INT(ep_indestructible);
 
   static int ep_slippery[] =
   {
@@ -1427,9 +1430,9 @@ void InitElementProperties()
     EL_SPEED_PILL,
     EL_STEELWALL_SLANTED,
     EL_PEARL,
-    EL_CRYSTAL
+    EL_CRYSTAL,
+    -1
   };
-  static int ep_slippery_num = SIZEOF_ARRAY_INT(ep_slippery);
 
   static int ep_enemy[] =
   {
@@ -1442,9 +1445,9 @@ void InitElementProperties()
     EL_ROBOT,
     EL_PACMAN,
     EL_SP_SNIKSNAK,
-    EL_SP_ELECTRON
+    EL_SP_ELECTRON,
+    -1
   };
-  static int ep_enemy_num = SIZEOF_ARRAY_INT(ep_enemy);
 
   static int ep_mauer[] =
   {
@@ -1512,9 +1515,9 @@ void InitElementProperties()
     EL_EMC_WALL_5,
     EL_EMC_WALL_6,
     EL_EMC_WALL_7,
-    EL_EMC_WALL_8
+    EL_EMC_WALL_8,
+    -1
   };
-  static int ep_mauer_num = SIZEOF_ARRAY_INT(ep_mauer);
 
   static int ep_can_fall[] =
   {
@@ -1540,9 +1543,9 @@ void InitElementProperties()
     EL_PEARL,
     EL_CRYSTAL,
     EL_SPRING,
-    EL_DX_SUPABOMB
+    EL_DX_SUPABOMB,
+    -1
   };
-  static int ep_can_fall_num = SIZEOF_ARRAY_INT(ep_can_fall);
 
   static int ep_can_smash[] =
   {
@@ -1565,9 +1568,9 @@ void InitElementProperties()
     EL_PEARL,
     EL_CRYSTAL,
     EL_SPRING,
-    EL_DX_SUPABOMB
+    EL_DX_SUPABOMB,
+    -1
   };
-  static int ep_can_smash_num = SIZEOF_ARRAY_INT(ep_can_smash);
 
   static int ep_can_change[] =
   {
@@ -1578,9 +1581,9 @@ void InitElementProperties()
     EL_EMERALD_YELLOW,
     EL_EMERALD_RED,
     EL_EMERALD_PURPLE,
-    EL_DIAMOND
+    EL_DIAMOND,
+    -1
   };
-  static int ep_can_change_num = SIZEOF_ARRAY_INT(ep_can_change);
 
   static int ep_can_move[] =
   {
@@ -1600,9 +1603,9 @@ void InitElementProperties()
     EL_SP_SNIKSNAK,
     EL_SP_ELECTRON,
     EL_BALLOON,
-    EL_SPRING
+    EL_SPRING,
+    -1
   };
-  static int ep_can_move_num = SIZEOF_ARRAY_INT(ep_can_move);
 
   static int ep_could_move[] =
   {
@@ -1625,18 +1628,18 @@ void InitElementProperties()
     EL_PACMAN_RIGHT,
     EL_PACMAN_UP,
     EL_PACMAN_LEFT,
-    EL_PACMAN_DOWN
+    EL_PACMAN_DOWN,
+    -1
   };
-  static int ep_could_move_num = SIZEOF_ARRAY_INT(ep_could_move);
 
   static int ep_dont_touch[] =
   {
     EL_BUG,
     EL_SPACESHIP,
     EL_BD_BUTTERFLY,
-    EL_BD_FIREFLY
+    EL_BD_FIREFLY,
+    -1
   };
-  static int ep_dont_touch_num = SIZEOF_ARRAY_INT(ep_dont_touch);
 
   static int ep_dont_go_to[] =
   {
@@ -1654,11 +1657,11 @@ void InitElementProperties()
     EL_SP_ELECTRON,
     EL_SP_BUGGY_BASE_ACTIVE,
     EL_TRAP_ACTIVE,
-    EL_LANDMINE
+    EL_LANDMINE,
+    -1
   };
-  static int ep_dont_go_to_num = SIZEOF_ARRAY_INT(ep_dont_go_to);
 
-  static int ep_mampf2[] =
+  static int ep_food_dark_yamyam[] =
   {
     EL_SAND,
     EL_BUG,
@@ -1681,9 +1684,9 @@ void InitElementProperties()
     EL_EMERALD_PURPLE,
     EL_DIAMOND,
     EL_PEARL,
-    EL_CRYSTAL
+    EL_CRYSTAL,
+    -1
   };
-  static int ep_mampf2_num = SIZEOF_ARRAY_INT(ep_mampf2);
 
   static int ep_bd_element[] =
   {
@@ -1710,9 +1713,9 @@ void InitElementProperties()
     EL_BD_BUTTERFLY_3,
     EL_BD_BUTTERFLY_4,
     EL_BD_AMOEBA,
-    EL_CHAR_QUESTION
+    EL_CHAR_QUESTION,
+    -1
   };
-  static int ep_bd_element_num = SIZEOF_ARRAY_INT(ep_bd_element);
 
   static int ep_sb_element[] =
   {
@@ -1722,9 +1725,9 @@ void InitElementProperties()
     EL_SOKOBAN_FIELD_EMPTY,
     EL_SOKOBAN_FIELD_FULL,
     EL_PLAYER_1,
-    EL_INVISIBLE_STEELWALL
+    EL_INVISIBLE_STEELWALL,
+    -1
   };
-  static int ep_sb_element_num = SIZEOF_ARRAY_INT(ep_sb_element);
 
   static int ep_gem[] =
   {
@@ -1733,9 +1736,9 @@ void InitElementProperties()
     EL_EMERALD_YELLOW,
     EL_EMERALD_RED,
     EL_EMERALD_PURPLE,
-    EL_DIAMOND
+    EL_DIAMOND,
+    -1
   };
-  static int ep_gem_num = SIZEOF_ARRAY_INT(ep_gem);
 
   static int ep_inactive[] =
   {
@@ -1869,9 +1872,9 @@ void InitElementProperties()
     EL_EMC_WALL_5,
     EL_EMC_WALL_6,
     EL_EMC_WALL_7,
-    EL_EMC_WALL_8
+    EL_EMC_WALL_8,
+    -1
   };
-  static int ep_inactive_num = SIZEOF_ARRAY_INT(ep_inactive);
 
   static int ep_explosive[] =
   {
@@ -1897,11 +1900,11 @@ void InitElementProperties()
     EL_SP_DISK_YELLOW,
     EL_SP_SNIKSNAK,
     EL_SP_ELECTRON,
-    EL_DX_SUPABOMB
+    EL_DX_SUPABOMB,
+    -1
   };
-  static int ep_explosive_num = SIZEOF_ARRAY_INT(ep_explosive);
 
-  static int ep_mampf3[] =
+  static int ep_food_penguin[] =
   {
     EL_EMERALD,
     EL_BD_DIAMOND,
@@ -1910,9 +1913,9 @@ void InitElementProperties()
     EL_EMERALD_PURPLE,
     EL_DIAMOND,
     EL_PEARL,
-    EL_CRYSTAL
+    EL_CRYSTAL,
+    -1
   };
-  static int ep_mampf3_num = SIZEOF_ARRAY_INT(ep_mampf3);
 
   static int ep_pushable[] =
   {
@@ -1929,92 +1932,53 @@ void InitElementProperties()
     EL_SP_DISK_YELLOW,
     EL_BALLOON,
     EL_SPRING,
-    EL_DX_SUPABOMB
+    EL_DX_SUPABOMB,
+    -1
   };
-  static int ep_pushable_num = SIZEOF_ARRAY_INT(ep_pushable);
 
   static int ep_player[] =
   {
     EL_PLAYER_1,
     EL_PLAYER_2,
     EL_PLAYER_3,
-    EL_PLAYER_4
+    EL_PLAYER_4,
+    -1
   };
-  static int ep_player_num = SIZEOF_ARRAY_INT(ep_player);
 
-  static int ep_has_content[] =
+  static int ep_walkable_over[] =
   {
-    EL_YAMYAM,
-    EL_AMOEBA_WET,
-    EL_AMOEBA_DRY,
-    EL_AMOEBA_FULL,
-    EL_BD_AMOEBA
+    EL_EMPTY_SPACE,
+    EL_SP_EMPTY_SPACE,
+    /* !!! EL_GATE_[1-4],    EL_GATE_[1-4]_GRAY    !!! */
+    /* !!! EL_EM_GATE_[1-4], EL_EM_GATE_[1-4]_GRAY !!! */
+    EL_SOKOBAN_FIELD_EMPTY,
+    EL_EXIT_OPEN,
+    EL_SP_EXIT_OPEN,
+    -1
   };
-  static int ep_has_content_num = SIZEOF_ARRAY_INT(ep_has_content);
 
-  static int ep_eatable[] =
+  static int ep_walkable_through[] =
   {
-    EL_SAND,
-    EL_SP_BASE,
-    EL_SP_BUGGY_BASE,
-    EL_SP_BUGGY_BASE_ACTIVATING,
-    EL_TRAP,
-    EL_INVISIBLE_SAND,
-    EL_INVISIBLE_SAND_ACTIVE
+    EL_TUBE_ANY,
+    EL_TUBE_VERTICAL,
+    EL_TUBE_HORIZONTAL,
+    EL_TUBE_VERTICAL_LEFT,
+    EL_TUBE_VERTICAL_RIGHT,
+    EL_TUBE_HORIZONTAL_UP,
+    EL_TUBE_HORIZONTAL_DOWN,
+    EL_TUBE_LEFT_UP,
+    EL_TUBE_LEFT_DOWN,
+    EL_TUBE_RIGHT_UP,
+    EL_TUBE_RIGHT_DOWN,
+    -1
   };
-  static int ep_eatable_num = SIZEOF_ARRAY_INT(ep_eatable);
 
-  static int ep_sp_element[] =
+  static int ep_walkable_under[] =
   {
-    EL_SP_EMPTY,
-    EL_SP_ZONK,
-    EL_SP_BASE,
-    EL_SP_MURPHY,
-    EL_SP_INFOTRON,
-    EL_SP_CHIP_SINGLE,
-    EL_SP_HARDWARE_GRAY,
-    EL_SP_EXIT_CLOSED,
-    EL_SP_EXIT_OPEN,
-    EL_SP_DISK_ORANGE,
-    EL_SP_PORT_RIGHT,
-    EL_SP_PORT_DOWN,
-    EL_SP_PORT_LEFT,
-    EL_SP_PORT_UP,
-    EL_SP_GRAVITY_PORT_RIGHT,
-    EL_SP_GRAVITY_PORT_DOWN,
-    EL_SP_GRAVITY_PORT_LEFT,
-    EL_SP_GRAVITY_PORT_UP,
-    EL_SP_SNIKSNAK,
-    EL_SP_DISK_YELLOW,
-    EL_SP_TERMINAL,
-    EL_SP_DISK_RED,
-    EL_SP_PORT_VERTICAL,
-    EL_SP_PORT_HORIZONTAL,
-    EL_SP_PORT_ANY,
-    EL_SP_ELECTRON,
-    EL_SP_BUGGY_BASE,
-    EL_SP_CHIP_LEFT,
-    EL_SP_CHIP_RIGHT,
-    EL_SP_HARDWARE_BASE_1,
-    EL_SP_HARDWARE_GREEN,
-    EL_SP_HARDWARE_BLUE,
-    EL_SP_HARDWARE_RED,
-    EL_SP_HARDWARE_YELLOW,
-    EL_SP_HARDWARE_BASE_2,
-    EL_SP_HARDWARE_BASE_3,
-    EL_SP_HARDWARE_BASE_4,
-    EL_SP_HARDWARE_BASE_5,
-    EL_SP_HARDWARE_BASE_6,
-    EL_SP_CHIP_TOP,
-    EL_SP_CHIP_BOTTOM,
-    /* additional elements that appeared in newer Supaplex levels */
-    EL_INVISIBLE_WALL,
-    /* more than one murphy in a level results in an inactive clone */
-    EL_SP_MURPHY_CLONE
+    -1
   };
-  static int ep_sp_element_num = SIZEOF_ARRAY_INT(ep_sp_element);
 
-  static int ep_quick_gate[] =
+  static int ep_passable_over[] =
   {
     EL_EM_GATE_1,
     EL_EM_GATE_2,
@@ -2024,21 +1988,80 @@ void InitElementProperties()
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
+    EL_SWITCHGATE_OPEN,
+    EL_TIMEGATE_OPEN,
+    -1
+  };
+
+  static int ep_passable_through[] =
+  {
     EL_SP_PORT_LEFT,
     EL_SP_PORT_RIGHT,
     EL_SP_PORT_UP,
     EL_SP_PORT_DOWN,
+    EL_SP_PORT_HORIZONTAL,
+    EL_SP_PORT_VERTICAL,
+    EL_SP_PORT_ANY,
     EL_SP_GRAVITY_PORT_LEFT,
     EL_SP_GRAVITY_PORT_RIGHT,
     EL_SP_GRAVITY_PORT_UP,
     EL_SP_GRAVITY_PORT_DOWN,
-    EL_SP_PORT_HORIZONTAL,
-    EL_SP_PORT_VERTICAL,
-    EL_SP_PORT_ANY,
-    EL_SWITCHGATE_OPEN,
-    EL_TIMEGATE_OPEN
+    -1
+  };
+
+  static int ep_passable_under[] =
+  {
+    -1
+  };
+
+  static int ep_diggable[] =
+  {
+    EL_SAND,
+    EL_SP_BASE,
+    EL_SP_BUGGY_BASE,
+    EL_SP_BUGGY_BASE_ACTIVATING,
+    EL_TRAP,
+    EL_INVISIBLE_SAND,
+    EL_INVISIBLE_SAND_ACTIVE,
+#if 0
+    EL_LANDMINE,
+    EL_SP_BUGGY_BASE_ACTIVE,
+#endif
+    -1
+  };
+
+  static int ep_collectible[] =
+  {
+    EL_BD_DIAMOND,
+    EL_EMERALD,
+    EL_DIAMOND,
+    EL_EMERALD_YELLOW,
+    EL_EMERALD_RED,
+    EL_EMERALD_PURPLE,
+    EL_KEY_1,
+    EL_KEY_2,
+    EL_KEY_3,
+    EL_KEY_4,
+    EL_EM_KEY_1,
+    EL_EM_KEY_2,
+    EL_EM_KEY_3,
+    EL_EM_KEY_4,
+    EL_DYNAMITE,
+    EL_DYNABOMB_INCREASE_NUMBER,
+    EL_DYNABOMB_INCREASE_SIZE,
+    EL_DYNABOMB_INCREASE_POWER,
+    EL_SP_INFOTRON,
+    EL_SP_DISK_RED,
+    EL_PEARL,
+    EL_CRYSTAL,
+    EL_KEY_WHITE,
+    EL_SHIELD_NORMAL,
+    EL_SHIELD_DEADLY,
+    EL_EXTRA_TIME,
+    EL_ENVELOPE,
+    EL_SPEED_PILL,
+    -1
   };
-  static int ep_quick_gate_num = SIZEOF_ARRAY_INT(ep_quick_gate);
 
   static int ep_over_player[] =
   {
@@ -2046,26 +2069,26 @@ void InitElementProperties()
     EL_SP_PORT_RIGHT,
     EL_SP_PORT_UP,
     EL_SP_PORT_DOWN,
+    EL_SP_PORT_HORIZONTAL,
+    EL_SP_PORT_VERTICAL,
+    EL_SP_PORT_ANY,
     EL_SP_GRAVITY_PORT_LEFT,
     EL_SP_GRAVITY_PORT_RIGHT,
     EL_SP_GRAVITY_PORT_UP,
     EL_SP_GRAVITY_PORT_DOWN,
-    EL_SP_PORT_HORIZONTAL,
-    EL_SP_PORT_VERTICAL,
-    EL_SP_PORT_ANY,
-    EL_TUBE_ANY,
-    EL_TUBE_VERTICAL,
-    EL_TUBE_HORIZONTAL,
-    EL_TUBE_VERTICAL_LEFT,
-    EL_TUBE_VERTICAL_RIGHT,
-    EL_TUBE_HORIZONTAL_UP,
-    EL_TUBE_HORIZONTAL_DOWN,
     EL_TUBE_LEFT_UP,
     EL_TUBE_LEFT_DOWN,
     EL_TUBE_RIGHT_UP,
-    EL_TUBE_RIGHT_DOWN
+    EL_TUBE_RIGHT_DOWN,
+    EL_TUBE_HORIZONTAL,
+    EL_TUBE_HORIZONTAL_UP,
+    EL_TUBE_HORIZONTAL_DOWN,
+    EL_TUBE_VERTICAL,
+    EL_TUBE_VERTICAL_LEFT,
+    EL_TUBE_VERTICAL_RIGHT,
+    EL_TUBE_ANY,
+    -1
   };
-  static int ep_over_player_num = SIZEOF_ARRAY_INT(ep_over_player);
 
   static int ep_active_bomb[] =
   {
@@ -2074,9 +2097,9 @@ void InitElementProperties()
     EL_DYNABOMB_PLAYER_2_ACTIVE,
     EL_DYNABOMB_PLAYER_3_ACTIVE,
     EL_DYNABOMB_PLAYER_4_ACTIVE,
-    EL_SP_DISK_RED_ACTIVE
+    EL_SP_DISK_RED_ACTIVE,
+    -1
   };
-  static int ep_active_bomb_num = SIZEOF_ARRAY_INT(ep_active_bomb);
 
   static int ep_belt[] =
   {
@@ -2092,8 +2115,8 @@ void InitElementProperties()
     EL_CONVEYOR_BELT_4_LEFT,
     EL_CONVEYOR_BELT_4_MIDDLE,
     EL_CONVEYOR_BELT_4_RIGHT,
+    -1
   };
-  static int ep_belt_num = SIZEOF_ARRAY_INT(ep_belt);
 
   static int ep_belt_active[] =
   {
@@ -2109,8 +2132,8 @@ void InitElementProperties()
     EL_CONVEYOR_BELT_4_LEFT_ACTIVE,
     EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE,
     EL_CONVEYOR_BELT_4_RIGHT_ACTIVE,
+    -1
   };
-  static int ep_belt_active_num = SIZEOF_ARRAY_INT(ep_belt_active);
 
   static int ep_belt_switch[] =
   {
@@ -2126,186 +2149,244 @@ void InitElementProperties()
     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
+    -1
+  };
+
+  static int ep_sp_element[] =
+  {
+    EL_SP_EMPTY,
+    EL_SP_ZONK,
+    EL_SP_BASE,
+    EL_SP_MURPHY,
+    EL_SP_INFOTRON,
+    EL_SP_CHIP_SINGLE,
+    EL_SP_HARDWARE_GRAY,
+    EL_SP_EXIT_CLOSED,
+    EL_SP_EXIT_OPEN,
+    EL_SP_DISK_ORANGE,
+    EL_SP_PORT_RIGHT,
+    EL_SP_PORT_DOWN,
+    EL_SP_PORT_LEFT,
+    EL_SP_PORT_UP,
+    EL_SP_GRAVITY_PORT_RIGHT,
+    EL_SP_GRAVITY_PORT_DOWN,
+    EL_SP_GRAVITY_PORT_LEFT,
+    EL_SP_GRAVITY_PORT_UP,
+    EL_SP_SNIKSNAK,
+    EL_SP_DISK_YELLOW,
+    EL_SP_TERMINAL,
+    EL_SP_DISK_RED,
+    EL_SP_PORT_VERTICAL,
+    EL_SP_PORT_HORIZONTAL,
+    EL_SP_PORT_ANY,
+    EL_SP_ELECTRON,
+    EL_SP_BUGGY_BASE,
+    EL_SP_CHIP_LEFT,
+    EL_SP_CHIP_RIGHT,
+    EL_SP_HARDWARE_BASE_1,
+    EL_SP_HARDWARE_GREEN,
+    EL_SP_HARDWARE_BLUE,
+    EL_SP_HARDWARE_RED,
+    EL_SP_HARDWARE_YELLOW,
+    EL_SP_HARDWARE_BASE_2,
+    EL_SP_HARDWARE_BASE_3,
+    EL_SP_HARDWARE_BASE_4,
+    EL_SP_HARDWARE_BASE_5,
+    EL_SP_HARDWARE_BASE_6,
+    EL_SP_CHIP_TOP,
+    EL_SP_CHIP_BOTTOM,
+    /* additional elements that appeared in newer Supaplex levels */
+    EL_INVISIBLE_WALL,
+    /* more than one murphy in a level results in an inactive clone */
+    EL_SP_MURPHY_CLONE,
+    -1
+  };
+
+  static int ep_has_content[] =
+  {
+    EL_YAMYAM,
+    EL_AMOEBA_WET,
+    EL_AMOEBA_DRY,
+    EL_AMOEBA_FULL,
+    EL_BD_AMOEBA,
+    -1
   };
-  static int ep_belt_switch_num = SIZEOF_ARRAY_INT(ep_belt_switch);
 
   static int ep_tube[] =
   {
-    EL_TUBE_ANY,
-    EL_TUBE_VERTICAL,
-    EL_TUBE_HORIZONTAL,
-    EL_TUBE_VERTICAL_LEFT,
-    EL_TUBE_VERTICAL_RIGHT,
-    EL_TUBE_HORIZONTAL_UP,
-    EL_TUBE_HORIZONTAL_DOWN,
     EL_TUBE_LEFT_UP,
     EL_TUBE_LEFT_DOWN,
     EL_TUBE_RIGHT_UP,
-    EL_TUBE_RIGHT_DOWN
+    EL_TUBE_RIGHT_DOWN,
+    EL_TUBE_HORIZONTAL,
+    EL_TUBE_HORIZONTAL_UP,
+    EL_TUBE_HORIZONTAL_DOWN,
+    EL_TUBE_VERTICAL,
+    EL_TUBE_VERTICAL_LEFT,
+    EL_TUBE_VERTICAL_RIGHT,
+    EL_TUBE_ANY,
+    -1
   };
-  static int ep_tube_num = SIZEOF_ARRAY_INT(ep_tube);
 
-  static int ep_em_slippery_wall[] =
+  static struct
   {
+    int *elements;
+    int property;
+  } element_properties[] =
+  {
+    { ep_amoebalive,           EP_AMOEBALIVE           },
+    { ep_amoeboid,             EP_AMOEBOID             },
+    { ep_can_be_crumbled,      EP_CAN_BE_CRUMBLED      },
+    { ep_pforte,               EP_PFORTE               },
+    { ep_solid,                        EP_SOLID                },
+    { ep_indestructible,       EP_INDESTRUCTIBLE       },
+    { ep_slippery,             EP_SLIPPERY             },
+    { ep_enemy,                        EP_ENEMY                },
+    { ep_mauer,                        EP_MAUER                },
+    { ep_can_fall,             EP_CAN_FALL             },
+    { ep_can_smash,            EP_CAN_SMASH            },
+    { ep_can_change,           EP_CAN_CHANGE           },
+    { ep_can_move,             EP_CAN_MOVE             },
+    { ep_could_move,           EP_COULD_MOVE           },
+    { ep_dont_touch,           EP_DONT_TOUCH           },
+    { ep_dont_go_to,           EP_DONT_GO_TO           },
+    { ep_food_dark_yamyam,     EP_FOOD_DARK_YAMYAM     },
+    { ep_bd_element,           EP_BD_ELEMENT           },
+    { ep_sb_element,           EP_SB_ELEMENT           },
+    { ep_gem,                  EP_GEM                  },
+    { ep_inactive,             EP_INACTIVE             },
+    { ep_explosive,            EP_EXPLOSIVE            },
+    { ep_food_penguin,         EP_FOOD_PENGUIN         },
+    { ep_pushable,             EP_PUSHABLE             },
+    { ep_player,               EP_PLAYER               },
+    { ep_walkable_over,                EP_WALKABLE_OVER        },
+    { ep_walkable_through,     EP_WALKABLE_THROUGH     },
+    { ep_walkable_under,       EP_WALKABLE_UNDER       },
+    { ep_passable_over,                EP_PASSABLE_OVER        },
+    { ep_passable_through,     EP_PASSABLE_THROUGH     },
+    { ep_passable_under,       EP_PASSABLE_UNDER       },
+
+    { ep_diggable,             EP_DIGGABLE             },
+    { ep_collectible,          EP_COLLECTIBLE          },
+    { ep_over_player,          EP_OVER_PLAYER          },
+    { ep_active_bomb,          EP_ACTIVE_BOMB          },
+    { ep_belt,                 EP_BELT                 },
+    { ep_belt_active,          EP_BELT_ACTIVE          },
+    { ep_belt_switch,          EP_BELT_SWITCH          },
+    { ep_sp_element,           EP_SP_ELEMENT           },
+    { ep_has_content,          EP_HAS_CONTENT          },
+    { ep_tube,                 EP_TUBE                 },
+    { NULL,                    -1                      }
   };
-  static int ep_em_slippery_wall_num = SIZEOF_ARRAY_INT(ep_em_slippery_wall);
 
-  static int ep_can_be_crumbled[] =
-  {
-    EL_SAND,
-    EL_LANDMINE,
-    EL_TRAP,
-    EL_TRAP_ACTIVE
-  };
-  static int ep_can_be_crumbled_num = SIZEOF_ARRAY_INT(ep_can_be_crumbled);
-
-  static long ep1_bit[] =
-  {
-    EP_BIT_AMOEBALIVE,
-    EP_BIT_AMOEBOID,
-    EP_BIT_SCHLUESSEL,
-    EP_BIT_PFORTE,
-    EP_BIT_SOLID,
-    EP_BIT_INDESTRUCTIBLE,
-    EP_BIT_SLIPPERY,
-    EP_BIT_ENEMY,
-    EP_BIT_MAUER,
-    EP_BIT_CAN_FALL,
-    EP_BIT_CAN_SMASH,
-    EP_BIT_CAN_CHANGE,
-    EP_BIT_CAN_MOVE,
-    EP_BIT_COULD_MOVE,
-    EP_BIT_DONT_TOUCH,
-    EP_BIT_DONT_GO_TO,
-    EP_BIT_MAMPF2,
-    EP_BIT_BD_ELEMENT,
-    EP_BIT_SB_ELEMENT,
-    EP_BIT_GEM,
-    EP_BIT_INACTIVE,
-    EP_BIT_EXPLOSIVE,
-    EP_BIT_MAMPF3,
-    EP_BIT_PUSHABLE,
-    EP_BIT_PLAYER,
-    EP_BIT_HAS_CONTENT,
-    EP_BIT_EATABLE,
-    EP_BIT_SP_ELEMENT,
-    EP_BIT_QUICK_GATE,
-    EP_BIT_OVER_PLAYER,
-    EP_BIT_ACTIVE_BOMB
-  };
-  static long ep2_bit[] =
-  {
-    EP_BIT_BELT,
-    EP_BIT_BELT_ACTIVE,
-    EP_BIT_BELT_SWITCH,
-    EP_BIT_TUBE,
-    EP_BIT_EM_SLIPPERY_WALL,
-    EP_BIT_CAN_BE_CRUMBLED
-  };
-  static int *ep1_array[] =
-  {
-    ep_amoebalive,
-    ep_amoeboid,
-    ep_schluessel,
-    ep_pforte,
-    ep_solid,
-    ep_indestructible,
-    ep_slippery,
-    ep_enemy,
-    ep_mauer,
-    ep_can_fall,
-    ep_can_smash,
-    ep_can_change,
-    ep_can_move,
-    ep_could_move,
-    ep_dont_touch,
-    ep_dont_go_to,
-    ep_mampf2,
-    ep_bd_element,
-    ep_sb_element,
-    ep_gem,
-    ep_inactive,
-    ep_explosive,
-    ep_mampf3,
-    ep_pushable,
-    ep_player,
-    ep_has_content,
-    ep_eatable,
-    ep_sp_element,
-    ep_quick_gate,
-    ep_over_player,
-    ep_active_bomb
-  };
-  static int *ep2_array[] =
-  {
-    ep_belt,
-    ep_belt_active,
-    ep_belt_switch,
-    ep_tube,
-    ep_em_slippery_wall,
-    ep_can_be_crumbled
-  };
-  static int *ep1_num[] =
-  {
-    &ep_amoebalive_num,
-    &ep_amoeboid_num,
-    &ep_schluessel_num,
-    &ep_pforte_num,
-    &ep_solid_num,
-    &ep_indestructible_num,
-    &ep_slippery_num,
-    &ep_enemy_num,
-    &ep_mauer_num,
-    &ep_can_fall_num,
-    &ep_can_smash_num,
-    &ep_can_change_num,
-    &ep_can_move_num,
-    &ep_could_move_num,
-    &ep_dont_touch_num,
-    &ep_dont_go_to_num,
-    &ep_mampf2_num,
-    &ep_bd_element_num,
-    &ep_sb_element_num,
-    &ep_gem_num,
-    &ep_inactive_num,
-    &ep_explosive_num,
-    &ep_mampf3_num,
-    &ep_pushable_num,
-    &ep_player_num,
-    &ep_has_content_num,
-    &ep_eatable_num,
-    &ep_sp_element_num,
-    &ep_quick_gate_num,
-    &ep_over_player_num,
-    &ep_active_bomb_num
-  };
-  static int *ep2_num[] =
-  {
-    &ep_belt_num,
-    &ep_belt_active_num,
-    &ep_belt_switch_num,
-    &ep_tube_num,
-    &ep_em_slippery_wall_num,
-    &ep_can_be_crumbled_num
+#if 0
+  static int active_properties[] =
+  {
+    EP_AMOEBALIVE,
+    EP_AMOEBOID,
+    EP_PFORTE,
+    EP_SOLID,
+    EP_ENEMY,
+    EP_MAUER,
+    EP_CAN_FALL,
+    EP_CAN_SMASH,
+    EP_CAN_CHANGE,
+    EP_CAN_MOVE,
+    EP_COULD_MOVE,
+    EP_DONT_TOUCH,
+    EP_DONT_GO_TO,
+    EP_GEM,
+    EP_EXPLOSIVE,
+    EP_PUSHABLE,
+    EP_PLAYER,
+    EP_HAS_CONTENT,
+    EP_DIGGABLE,
+    EP_PASSABLE_THROUGH,
+    EP_OVER_PLAYER,
+    EP_ACTIVE_BOMB,
+
+    EP_BELT,
+    EP_BELT_ACTIVE,
+    EP_BELT_SWITCH,
+    EP_WALKABLE_UNDER,
+    EP_EM_SLIPPERY_WALL,
+    EP_CAN_BE_CRUMBLED,
   };
-  static int num_properties1 = SIZEOF_ARRAY(ep1_num, int *);
-  static int num_properties2 = SIZEOF_ARRAY(ep2_num, int *);
+#endif
+
+  /* always start with reliable default values (no properties) */
+  for (i=0; i<MAX_NUM_ELEMENTS; i++)
+    for (j=0; j<NUM_EP_BITFIELDS; j++)
+      Properties[i][j] = EP_BITMASK_DEFAULT;
 
+  /* set all predefined element properties from above arrays */
+  for (i=0; element_properties[i].elements != NULL; i++)
+    for (j=0; (element_properties[i].elements)[j] != -1; j++)
+      SET_PROPERTY((element_properties[i].elements)[j],
+                  element_properties[i].property, TRUE);
+
+  /* set properties of character elements */
+  for (i=EL_CHAR_START; i<=EL_CHAR_END; i++)
+    SET_PROPERTY(i, EP_INACTIVE, TRUE);
+
+  /* set properties derived from other properties */
   for (i=0; i<MAX_NUM_ELEMENTS; i++)
   {
-    Properties1[i] = 0;
-    Properties2[i] = 0;
+    if (IS_WALKABLE_OVER(i) || IS_WALKABLE_THROUGH(i) || IS_WALKABLE_UNDER(i))
+      SET_PROPERTY(i, EP_WALKABLE, TRUE);
+
+    if (IS_PASSABLE_OVER(i) || IS_PASSABLE_THROUGH(i) || IS_PASSABLE_UNDER(i))
+      SET_PROPERTY(i, EP_PASSABLE, TRUE);
+
+    if (IS_WALKABLE_OVER(i) || IS_PASSABLE_OVER(i))
+      SET_PROPERTY(i, EP_PLAYER_OVER, TRUE);
+
+    if (IS_WALKABLE_THROUGH(i) || IS_PASSABLE_THROUGH(i))
+      SET_PROPERTY(i, EP_PLAYER_INSIDE, TRUE);
+
+    if (IS_WALKABLE_UNDER(i) || IS_PASSABLE_UNDER(i))
+      SET_PROPERTY(i, EP_PLAYER_UNDER, TRUE);
+  }
+
+#if 0
+  /* determine inactive elements (used for engine main loop optimization) */
+  for (i=0; i < MAX_NUM_ELEMENTS; i++)
+  {
+    boolean active = FALSE;
+
+    for (j=0; i < NUM_ELEMENT_PROPERTIES; j++)
+    {
+      if (HAS_PROPERTY(i, j))
+       active = TRUE;
+    }
+
+#if 0
+    if (!active)
+      SET_PROPERTY(i, EP_INACTIVE, TRUE);
+#endif
   }
+#endif
 
-  for (i=0; i<num_properties1; i++)
-    for (j=0; j<*(ep1_num[i]); j++)
-      Properties1[(ep1_array[i])[j]] |= ep1_bit[i];
-  for (i=0; i<num_properties2; i++)
-    for (j=0; j<*(ep2_num[i]); j++)
-      Properties2[(ep2_array[i])[j]] |= ep2_bit[i];
+#if 0
+  for (i=0; i < MAX_NUM_ELEMENTS; i++)
+  {
+    boolean element_is_solid = TRUE;
 
-  for (i=EL_CHAR_START; i<=EL_CHAR_END; i++)
-    Properties1[i] |= (EP_BIT_CHAR | EP_BIT_INACTIVE);
+    if (IS_DIGGABLE(i) ||
+       IS_COLLECTIBLE(i) ||
+       CAN_FALL(i) ||
+       CAN_MOVE(i) ||
+       IS_PUSHABLE(i))
+      element_is_solid = FALSE;
+
+    if (IS_INDESTRUCTIBLE(i))
+      element_is_solid = TRUE;
+
+    if (element_is_solid != HAS_PROPERTY(i, EP_SOLID))
+      printf("::: '%s' should %s solid\n", element_info[i].token_name,
+            (HAS_PROPERTY(i, EP_SOLID) ? "NOT be" : "be"));
+  }
+#endif
 }
 
 static void InitGlobal()