rnd-20070302-1-src
[rocksndiamonds.git] / src / init.c
index aabc7026b630dd834afa213b6a4685ac9c16cf95..4e715dff4ab4c80abc3e19cc4cfc1cf35d6c9ab7 100644 (file)
@@ -104,6 +104,8 @@ void InitGadgets()
   CreateToolButtons();
   CreateScreenGadgets();
 
+  InitGadgetsSoundCallback(PlaySoundActivating, PlaySoundSelecting);
+
   gadgets_initialized = TRUE;
 }
 
@@ -165,7 +167,7 @@ static int getFontBitmapID(int font_nr)
 {
   int special = -1;
 
-  if (game_status >= GAME_MODE_MAIN && game_status <= GAME_MODE_PSEUDO_PREVIEW)
+  if (game_status >= GAME_MODE_TITLE && game_status <= GAME_MODE_PSEUDO_PREVIEW)
     special = game_status;
   else if (game_status == GAME_MODE_PSEUDO_TYPENAME)
     special = GFX_SPECIAL_ARG_MAIN;
@@ -813,7 +815,7 @@ void InitElementGraphicInfo()
     for (i = 0; i < MAX_NUM_ELEMENTS; i++)
       if (element_info[i].graphic[ACTION_DEFAULT] == IMG_UNKNOWN &&
          i != EL_UNKNOWN)
-       Error(ERR_RETURN, "warning: no graphic for element '%s' (%d)",
+       Error(ERR_INFO, "warning: no graphic for element '%s' (%d)",
              element_info[i].token_name, i);
   }
 #endif
@@ -973,6 +975,8 @@ static void set_graphic_parameters(int graphic)
   graphic_info[graphic].fade_delay = -1;
   graphic_info[graphic].post_delay = -1;
   graphic_info[graphic].auto_delay = -1;
+  graphic_info[graphic].align = ALIGN_CENTER;  /* default for title screens */
+  graphic_info[graphic].sort_priority = 0;     /* default for title screens */
 
 #if 1
   /* optional zoom factor for scaling up the image to a larger size */
@@ -1165,6 +1169,10 @@ static void set_graphic_parameters(int graphic)
     graphic_info[graphic].post_delay = parameter[GFX_ARG_POST_DELAY];
   if (parameter[GFX_ARG_AUTO_DELAY] != ARG_UNDEFINED_VALUE)
     graphic_info[graphic].auto_delay = parameter[GFX_ARG_AUTO_DELAY];
+  if (parameter[GFX_ARG_ALIGN] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].align = parameter[GFX_ARG_ALIGN];
+  if (parameter[GFX_ARG_SORT_PRIORITY] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].sort_priority = parameter[GFX_ARG_SORT_PRIORITY];
 }
 
 static void set_cloned_graphic_parameters(int graphic)
@@ -1184,18 +1192,18 @@ static void set_cloned_graphic_parameters(int graphic)
 
   if (num_references_followed >= max_num_images)
   {
-    Error(ERR_RETURN_LINE, "-");
-    Error(ERR_RETURN, "warning: error found in config file:");
-    Error(ERR_RETURN, "- config file: '%s'", getImageConfigFilename());
-    Error(ERR_RETURN, "- config token: '%s'", getTokenFromImageID(graphic));
-    Error(ERR_RETURN, "error: loop discovered when resolving cloned graphics");
-    Error(ERR_RETURN, "custom graphic rejected for this element/action");
+    Error(ERR_INFO_LINE, "-");
+    Error(ERR_INFO, "warning: error found in config file:");
+    Error(ERR_INFO, "- config file: '%s'", getImageConfigFilename());
+    Error(ERR_INFO, "- config token: '%s'", getTokenFromImageID(graphic));
+    Error(ERR_INFO, "error: loop discovered when resolving cloned graphics");
+    Error(ERR_INFO, "custom graphic rejected for this element/action");
 
     if (graphic == fallback_graphic)
       Error(ERR_EXIT, "fatal error: no fallback graphic available");
 
-    Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
-    Error(ERR_RETURN_LINE, "-");
+    Error(ERR_INFO, "fallback done to 'char_exclam' for this graphic");
+    Error(ERR_INFO_LINE, "-");
 
     graphic_info[graphic] = graphic_info[fallback_graphic];
   }
@@ -1233,6 +1241,7 @@ static void InitGraphicInfo()
 
     IMG_BACKGROUND,
     IMG_BACKGROUND_TITLE,
+    IMG_BACKGROUND_MESSAGE,
     IMG_BACKGROUND_MAIN,
     IMG_BACKGROUND_LEVELS,
     IMG_BACKGROUND_SCORES,
@@ -1335,21 +1344,21 @@ static void InitGraphicInfo()
        src_x + width  > src_bitmap_width ||
        src_y + height > src_bitmap_height)
     {
-      Error(ERR_RETURN_LINE, "-");
-      Error(ERR_RETURN, "warning: error found in config file:");
-      Error(ERR_RETURN, "- config file: '%s'", getImageConfigFilename());
-      Error(ERR_RETURN, "- config token: '%s'", getTokenFromImageID(i));
-      Error(ERR_RETURN, "- image file: '%s'", src_bitmap->source_filename);
-      Error(ERR_RETURN,
+      Error(ERR_INFO_LINE, "-");
+      Error(ERR_INFO, "warning: error found in config file:");
+      Error(ERR_INFO, "- config file: '%s'", getImageConfigFilename());
+      Error(ERR_INFO, "- config token: '%s'", getTokenFromImageID(i));
+      Error(ERR_INFO, "- image file: '%s'", src_bitmap->source_filename);
+      Error(ERR_INFO,
            "error: first animation frame out of bounds (%d, %d) [%d, %d]",
            src_x, src_y, src_bitmap_width, src_bitmap_height);
-      Error(ERR_RETURN, "custom graphic rejected for this element/action");
+      Error(ERR_INFO, "custom graphic rejected for this element/action");
 
       if (i == fallback_graphic)
        Error(ERR_EXIT, "fatal error: no fallback graphic available");
 
-      Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
-      Error(ERR_RETURN_LINE, "-");
+      Error(ERR_INFO, "fallback done to 'char_exclam' for this graphic");
+      Error(ERR_INFO_LINE, "-");
 
       graphic_info[i] = graphic_info[fallback_graphic];
     }
@@ -1363,21 +1372,21 @@ static void InitGraphicInfo()
        src_x + width  > src_bitmap_width ||
        src_y + height > src_bitmap_height)
     {
-      Error(ERR_RETURN_LINE, "-");
-      Error(ERR_RETURN, "warning: error found in config file:");
-      Error(ERR_RETURN, "- config file: '%s'", getImageConfigFilename());
-      Error(ERR_RETURN, "- config token: '%s'", getTokenFromImageID(i));
-      Error(ERR_RETURN, "- image file: '%s'", src_bitmap->source_filename);
-      Error(ERR_RETURN,
+      Error(ERR_INFO_LINE, "-");
+      Error(ERR_INFO, "warning: error found in config file:");
+      Error(ERR_INFO, "- config file: '%s'", getImageConfigFilename());
+      Error(ERR_INFO, "- config token: '%s'", getTokenFromImageID(i));
+      Error(ERR_INFO, "- image file: '%s'", src_bitmap->source_filename);
+      Error(ERR_INFO,
            "error: last animation frame (%d) out of bounds (%d, %d) [%d, %d]",
            last_frame, src_x, src_y, src_bitmap_width, src_bitmap_height);
-      Error(ERR_RETURN, "custom graphic rejected for this element/action");
+      Error(ERR_INFO, "custom graphic rejected for this element/action");
 
       if (i == fallback_graphic)
        Error(ERR_EXIT, "fatal error: no fallback graphic available");
 
-      Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
-      Error(ERR_RETURN_LINE, "-");
+      Error(ERR_INFO, "fallback done to 'char_exclam' for this graphic");
+      Error(ERR_INFO_LINE, "-");
 
       graphic_info[i] = graphic_info[fallback_graphic];
     }
@@ -2020,6 +2029,7 @@ void InitElementPropertiesStatic()
     /* (if amoeba can grow into anything diggable, maybe keep these out) */
 #if 0
     EL_LANDMINE,
+    EL_DC_LANDMINE,
     EL_TRAP_ACTIVE,
     EL_SP_BUGGY_BASE_ACTIVE,
     EL_EMC_PLANT,
@@ -2057,7 +2067,7 @@ void InitElementPropertiesStatic()
     EL_SP_DISK_RED,
     EL_PEARL,
     EL_CRYSTAL,
-    EL_KEY_WHITE,
+    EL_DC_KEY_WHITE,
     EL_SHIELD_NORMAL,
     EL_SHIELD_DEADLY,
     EL_EXTRA_TIME,
@@ -2069,6 +2079,11 @@ void InitElementPropertiesStatic()
     EL_EMC_LENSES,
     EL_EMC_MAGNIFIER,
 
+#if 0
+    /* !!! handle separately !!! */
+    EL_DC_LANDMINE,    /* deadly when running into, but can be snapped */
+#endif
+
     -1
   };
 
@@ -2095,6 +2110,7 @@ void InitElementPropertiesStatic()
     /* !!! maybe this should better be handled by 'ep_diggable' !!! */
 #if 1
     EL_LANDMINE,
+    EL_DC_LANDMINE,
     EL_TRAP_ACTIVE,
     EL_SP_BUGGY_BASE_ACTIVE,
     EL_EMC_PLANT,
@@ -2173,13 +2189,44 @@ void InitElementPropertiesStatic()
     EL_SIGN_STOP,
     EL_SIGN_WHEELCHAIR,
     EL_SIGN_PARKING,
-    EL_SIGN_ONEWAY,
+    EL_SIGN_NO_ENTRY,
+    EL_SIGN_UNUSED_1,
+    EL_SIGN_GIVE_WAY,
+    EL_SIGN_ENTRY_FORBIDDEN,
+    EL_SIGN_EMERGENCY_EXIT,
+    EL_SIGN_YIN_YANG,
+    EL_SIGN_UNUSED_2,
+    EL_SIGN_SPERMS,
+    EL_SIGN_BULLET,
     EL_SIGN_HEART,
-    EL_SIGN_TRIANGLE,
-    EL_SIGN_ROUND,
-    EL_SIGN_EXIT,
-    EL_SIGN_YINYANG,
-    EL_SIGN_OTHER,
+    EL_SIGN_CROSS,
+    EL_SIGN_FRANKIE,
+    EL_STEEL_EXIT_CLOSED,
+    EL_STEEL_EXIT_OPEN,
+    EL_EM_STEEL_EXIT_CLOSED,
+    EL_EM_STEEL_EXIT_OPEN,
+    EL_DC_STEELWALL_1_LEFT,
+    EL_DC_STEELWALL_1_RIGHT,
+    EL_DC_STEELWALL_1_TOP,
+    EL_DC_STEELWALL_1_BOTTOM,
+    EL_DC_STEELWALL_1_HORIZONTAL,
+    EL_DC_STEELWALL_1_VERTICAL,
+    EL_DC_STEELWALL_1_TOPLEFT,
+    EL_DC_STEELWALL_1_TOPRIGHT,
+    EL_DC_STEELWALL_1_BOTTOMLEFT,
+    EL_DC_STEELWALL_1_BOTTOMRIGHT,
+    EL_DC_STEELWALL_1_TOPLEFT_2,
+    EL_DC_STEELWALL_1_TOPRIGHT_2,
+    EL_DC_STEELWALL_1_BOTTOMLEFT_2,
+    EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
+    EL_DC_STEELWALL_2_LEFT,
+    EL_DC_STEELWALL_2_RIGHT,
+    EL_DC_STEELWALL_2_TOP,
+    EL_DC_STEELWALL_2_BOTTOM,
+    EL_DC_STEELWALL_2_HORIZONTAL,
+    EL_DC_STEELWALL_2_VERTICAL,
+    EL_DC_STEELWALL_2_MIDDLE,
+    EL_DC_STEELWALL_2_SINGLE,
     EL_STEELWALL_SLIPPERY,
     EL_EMC_STEELWALL_1,
     EL_EMC_STEELWALL_2,
@@ -2222,21 +2269,25 @@ void InitElementPropertiesStatic()
     EL_EMC_GATE_6_GRAY_ACTIVE,
     EL_EMC_GATE_7_GRAY_ACTIVE,
     EL_EMC_GATE_8_GRAY_ACTIVE,
+    EL_DC_GATE_WHITE,
+    EL_DC_GATE_WHITE_GRAY,
+    EL_DC_GATE_WHITE_GRAY_ACTIVE,
+    EL_DC_GATE_FAKE_GRAY,
     EL_SWITCHGATE_OPEN,
     EL_SWITCHGATE_OPENING,
     EL_SWITCHGATE_CLOSED,
     EL_SWITCHGATE_CLOSING,
-#if 0
-    EL_SWITCHGATE_SWITCH_UP,
-    EL_SWITCHGATE_SWITCH_DOWN,
+#if 1
+    EL_DC_SWITCHGATE_SWITCH_UP,
+    EL_DC_SWITCHGATE_SWITCH_DOWN,
 #endif
     EL_TIMEGATE_OPEN,
     EL_TIMEGATE_OPENING,
     EL_TIMEGATE_CLOSED,
     EL_TIMEGATE_CLOSING,
-#if 0
-    EL_TIMEGATE_SWITCH,
-    EL_TIMEGATE_SWITCH_ACTIVE,
+#if 1
+    EL_DC_TIMEGATE_SWITCH,
+    EL_DC_TIMEGATE_SWITCH_ACTIVE,
 #endif
     EL_TUBE_ANY,
     EL_TUBE_VERTICAL,
@@ -2249,6 +2300,9 @@ void InitElementPropertiesStatic()
     EL_TUBE_LEFT_DOWN,
     EL_TUBE_RIGHT_UP,
     EL_TUBE_RIGHT_DOWN,
+    EL_EXPANDABLE_STEELWALL_HORIZONTAL,
+    EL_EXPANDABLE_STEELWALL_VERTICAL,
+    EL_EXPANDABLE_STEELWALL_ANY,
 
     -1
   };
@@ -2341,8 +2395,10 @@ void InitElementPropertiesStatic()
     EL_NUT,
     EL_AMOEBA_DROP,
     EL_QUICKSAND_FULL,
+    EL_QUICKSAND_FAST_FULL,
     EL_MAGIC_WALL_FULL,
     EL_BD_MAGIC_WALL_FULL,
+    EL_DC_MAGIC_WALL_FULL,
     EL_TIME_ORB_FULL,
     EL_TIME_ORB_EMPTY,
     EL_SP_ZONK,
@@ -2470,8 +2526,11 @@ void InitElementPropertiesStatic()
     EL_SP_EMPTY_SPACE,
     EL_SOKOBAN_FIELD_EMPTY,
     EL_EXIT_OPEN,
+    EL_EM_EXIT_OPEN,
     EL_SP_EXIT_OPEN,
     EL_SP_EXIT_OPENING,
+    EL_STEEL_EXIT_OPEN,
+    EL_EM_STEEL_EXIT_OPEN,
     EL_GATE_1,
     EL_GATE_2,
     EL_GATE_3,
@@ -2539,6 +2598,9 @@ void InitElementPropertiesStatic()
     EL_EMC_GATE_6_GRAY_ACTIVE,
     EL_EMC_GATE_7_GRAY_ACTIVE,
     EL_EMC_GATE_8_GRAY_ACTIVE,
+    EL_DC_GATE_WHITE,
+    EL_DC_GATE_WHITE_GRAY,
+    EL_DC_GATE_WHITE_GRAY_ACTIVE,
     EL_SWITCHGATE_OPEN,
     EL_TIMEGATE_OPEN,
 
@@ -2651,6 +2713,9 @@ void InitElementPropertiesStatic()
     EL_EMC_GATE_6_GRAY_ACTIVE,
     EL_EMC_GATE_7_GRAY_ACTIVE,
     EL_EMC_GATE_8_GRAY_ACTIVE,
+    EL_DC_GATE_WHITE,
+    EL_DC_GATE_WHITE_GRAY,
+    EL_DC_GATE_WHITE_GRAY_ACTIVE,
     EL_SWITCHGATE_OPEN,
     EL_TIMEGATE_OPEN,
 
@@ -2780,6 +2845,22 @@ void InitElementPropertiesStatic()
     -1
   };
 
+  static int ep_can_pass_dc_magic_wall[] =
+  {
+    EL_ROCK,
+    EL_BD_ROCK,
+    EL_EMERALD,
+    EL_BD_DIAMOND,
+    EL_EMERALD_YELLOW,
+    EL_EMERALD_RED,
+    EL_EMERALD_PURPLE,
+    EL_DIAMOND,
+    EL_PEARL,
+    EL_CRYSTAL,
+
+    -1
+  };
+
   static int ep_switchable[] =
   {
     EL_ROBOT_WHEEL,
@@ -2798,9 +2879,12 @@ void InitElementPropertiesStatic()
     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
     EL_SWITCHGATE_SWITCH_UP,
     EL_SWITCHGATE_SWITCH_DOWN,
+    EL_DC_SWITCHGATE_SWITCH_UP,
+    EL_DC_SWITCHGATE_SWITCH_DOWN,
     EL_LIGHT_SWITCH,
     EL_LIGHT_SWITCH_ACTIVE,
     EL_TIMEGATE_SWITCH,
+    EL_DC_TIMEGATE_SWITCH,
     EL_BALLOON_SWITCH_LEFT,
     EL_BALLOON_SWITCH_RIGHT,
     EL_BALLOON_SWITCH_UP,
@@ -3136,8 +3220,12 @@ void InitElementPropertiesStatic()
     EL_INVISIBLE_WALL_ACTIVE,
     EL_SWITCHGATE_SWITCH_UP,
     EL_SWITCHGATE_SWITCH_DOWN,
+    EL_DC_SWITCHGATE_SWITCH_UP,
+    EL_DC_SWITCHGATE_SWITCH_DOWN,
     EL_TIMEGATE_SWITCH,
     EL_TIMEGATE_SWITCH_ACTIVE,
+    EL_DC_TIMEGATE_SWITCH,
+    EL_DC_TIMEGATE_SWITCH_ACTIVE,
     EL_EMC_WALL_1,
     EL_EMC_WALL_2,
     EL_EMC_WALL_3,
@@ -3192,13 +3280,42 @@ void InitElementPropertiesStatic()
     EL_SIGN_STOP,
     EL_SIGN_WHEELCHAIR,
     EL_SIGN_PARKING,
-    EL_SIGN_ONEWAY,
+    EL_SIGN_NO_ENTRY,
+    EL_SIGN_UNUSED_1,
+    EL_SIGN_GIVE_WAY,
+    EL_SIGN_ENTRY_FORBIDDEN,
+    EL_SIGN_EMERGENCY_EXIT,
+    EL_SIGN_YIN_YANG,
+    EL_SIGN_UNUSED_2,
+    EL_SIGN_SPERMS,
+    EL_SIGN_BULLET,
     EL_SIGN_HEART,
-    EL_SIGN_TRIANGLE,
-    EL_SIGN_ROUND,
-    EL_SIGN_EXIT,
-    EL_SIGN_YINYANG,
-    EL_SIGN_OTHER,
+    EL_SIGN_CROSS,
+    EL_SIGN_FRANKIE,
+    EL_STEEL_EXIT_CLOSED,
+    EL_STEEL_EXIT_OPEN,
+    EL_DC_STEELWALL_1_LEFT,
+    EL_DC_STEELWALL_1_RIGHT,
+    EL_DC_STEELWALL_1_TOP,
+    EL_DC_STEELWALL_1_BOTTOM,
+    EL_DC_STEELWALL_1_HORIZONTAL,
+    EL_DC_STEELWALL_1_VERTICAL,
+    EL_DC_STEELWALL_1_TOPLEFT,
+    EL_DC_STEELWALL_1_TOPRIGHT,
+    EL_DC_STEELWALL_1_BOTTOMLEFT,
+    EL_DC_STEELWALL_1_BOTTOMRIGHT,
+    EL_DC_STEELWALL_1_TOPLEFT_2,
+    EL_DC_STEELWALL_1_TOPRIGHT_2,
+    EL_DC_STEELWALL_1_BOTTOMLEFT_2,
+    EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
+    EL_DC_STEELWALL_2_LEFT,
+    EL_DC_STEELWALL_2_RIGHT,
+    EL_DC_STEELWALL_2_TOP,
+    EL_DC_STEELWALL_2_BOTTOM,
+    EL_DC_STEELWALL_2_HORIZONTAL,
+    EL_DC_STEELWALL_2_VERTICAL,
+    EL_DC_STEELWALL_2_MIDDLE,
+    EL_DC_STEELWALL_2_SINGLE,
     EL_STEELWALL_SLIPPERY,
     EL_EMC_STEELWALL_1,
     EL_EMC_STEELWALL_2,
@@ -3340,6 +3457,17 @@ void InitElementPropertiesStatic()
     -1
   };
 
+  static int ep_acid_pool[] =
+  {
+    EL_ACID_POOL_TOPLEFT,
+    EL_ACID_POOL_TOPRIGHT,
+    EL_ACID_POOL_BOTTOMLEFT,
+    EL_ACID_POOL_BOTTOM,
+    EL_ACID_POOL_BOTTOMRIGHT,
+
+    -1
+  };
+
   static int ep_keygate[] =
   {
     EL_GATE_1,
@@ -3378,6 +3506,9 @@ void InitElementPropertiesStatic()
     EL_EMC_GATE_6_GRAY_ACTIVE,
     EL_EMC_GATE_7_GRAY_ACTIVE,
     EL_EMC_GATE_8_GRAY_ACTIVE,
+    EL_DC_GATE_WHITE,
+    EL_DC_GATE_WHITE_GRAY,
+    EL_DC_GATE_WHITE_GRAY_ACTIVE,
 
     -1
   };
@@ -3470,6 +3601,7 @@ void InitElementPropertiesStatic()
     EL_STEELWALL,
     EL_AMOEBA_DEAD,
     EL_QUICKSAND_EMPTY,
+    EL_QUICKSAND_FAST_EMPTY,
     EL_STONEBLOCK,
     EL_ROBOT_WHEEL,
     EL_KEY_1,
@@ -3520,6 +3652,10 @@ void InitElementPropertiesStatic()
     EL_EMC_GATE_6_GRAY_ACTIVE,
     EL_EMC_GATE_7_GRAY_ACTIVE,
     EL_EMC_GATE_8_GRAY_ACTIVE,
+    EL_DC_GATE_WHITE,
+    EL_DC_GATE_WHITE_GRAY,
+    EL_DC_GATE_WHITE_GRAY_ACTIVE,
+    EL_DC_GATE_FAKE_GRAY,
     EL_DYNAMITE,
     EL_EM_DYNAMITE,
     EL_INVISIBLE_STEELWALL,
@@ -3550,6 +3686,8 @@ void InitElementPropertiesStatic()
     EL_MAGIC_WALL_DEAD,
     EL_BD_MAGIC_WALL,
     EL_BD_MAGIC_WALL_DEAD,
+    EL_DC_MAGIC_WALL,
+    EL_DC_MAGIC_WALL_DEAD,
     EL_AMOEBA_TO_DIAMOND,
     EL_BLOCKED,
     EL_SP_EMPTY,
@@ -3610,13 +3748,40 @@ void InitElementPropertiesStatic()
     EL_SIGN_STOP,
     EL_SIGN_WHEELCHAIR,
     EL_SIGN_PARKING,
-    EL_SIGN_ONEWAY,
+    EL_SIGN_NO_ENTRY,
+    EL_SIGN_UNUSED_1,
+    EL_SIGN_GIVE_WAY,
+    EL_SIGN_ENTRY_FORBIDDEN,
+    EL_SIGN_EMERGENCY_EXIT,
+    EL_SIGN_YIN_YANG,
+    EL_SIGN_UNUSED_2,
+    EL_SIGN_SPERMS,
+    EL_SIGN_BULLET,
     EL_SIGN_HEART,
-    EL_SIGN_TRIANGLE,
-    EL_SIGN_ROUND,
-    EL_SIGN_EXIT,
-    EL_SIGN_YINYANG,
-    EL_SIGN_OTHER,
+    EL_SIGN_CROSS,
+    EL_SIGN_FRANKIE,
+    EL_DC_STEELWALL_1_LEFT,
+    EL_DC_STEELWALL_1_RIGHT,
+    EL_DC_STEELWALL_1_TOP,
+    EL_DC_STEELWALL_1_BOTTOM,
+    EL_DC_STEELWALL_1_HORIZONTAL,
+    EL_DC_STEELWALL_1_VERTICAL,
+    EL_DC_STEELWALL_1_TOPLEFT,
+    EL_DC_STEELWALL_1_TOPRIGHT,
+    EL_DC_STEELWALL_1_BOTTOMLEFT,
+    EL_DC_STEELWALL_1_BOTTOMRIGHT,
+    EL_DC_STEELWALL_1_TOPLEFT_2,
+    EL_DC_STEELWALL_1_TOPRIGHT_2,
+    EL_DC_STEELWALL_1_BOTTOMLEFT_2,
+    EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
+    EL_DC_STEELWALL_2_LEFT,
+    EL_DC_STEELWALL_2_RIGHT,
+    EL_DC_STEELWALL_2_TOP,
+    EL_DC_STEELWALL_2_BOTTOM,
+    EL_DC_STEELWALL_2_HORIZONTAL,
+    EL_DC_STEELWALL_2_VERTICAL,
+    EL_DC_STEELWALL_2_MIDDLE,
+    EL_DC_STEELWALL_2_SINGLE,
     EL_STEELWALL_SLIPPERY,
     EL_EMC_STEELWALL_1,
     EL_EMC_STEELWALL_2,
@@ -3655,6 +3820,7 @@ void InitElementPropertiesStatic()
   {
     EL_SAND,
     EL_LANDMINE,
+    EL_DC_LANDMINE,
     EL_TRAP,
     EL_TRAP_ACTIVE,
 
@@ -3672,6 +3838,7 @@ void InitElementPropertiesStatic()
     EL_INTERNAL_CASCADE_DC_ACTIVE,
     EL_INTERNAL_CASCADE_DX_ACTIVE,
     EL_INTERNAL_CASCADE_CHARS_ACTIVE,
+    EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
     EL_INTERNAL_CASCADE_CE_ACTIVE,
     EL_INTERNAL_CASCADE_GE_ACTIVE,
     EL_INTERNAL_CASCADE_REF_ACTIVE,
@@ -3692,6 +3859,7 @@ void InitElementPropertiesStatic()
     EL_INTERNAL_CASCADE_DC,
     EL_INTERNAL_CASCADE_DX,
     EL_INTERNAL_CASCADE_CHARS,
+    EL_INTERNAL_CASCADE_STEEL_CHARS,
     EL_INTERNAL_CASCADE_CE,
     EL_INTERNAL_CASCADE_GE,
     EL_INTERNAL_CASCADE_REF,
@@ -3753,6 +3921,7 @@ void InitElementPropertiesStatic()
 
     { ep_player,                       EP_PLAYER                       },
     { ep_can_pass_magic_wall,          EP_CAN_PASS_MAGIC_WALL          },
+    { ep_can_pass_dc_magic_wall,       EP_CAN_PASS_DC_MAGIC_WALL       },
     { ep_switchable,                   EP_SWITCHABLE                   },
     { ep_bd_element,                   EP_BD_ELEMENT                   },
     { ep_sp_element,                   EP_SP_ELEMENT                   },
@@ -3768,6 +3937,7 @@ void InitElementPropertiesStatic()
     { ep_belt_active,                  EP_BELT_ACTIVE                  },
     { ep_belt_switch,                  EP_BELT_SWITCH                  },
     { ep_tube,                         EP_TUBE                         },
+    { ep_acid_pool,                    EP_ACID_POOL                    },
     { ep_keygate,                      EP_KEYGATE                      },
     { ep_amoeboid,                     EP_AMOEBOID                     },
     { ep_amoebalive,                   EP_AMOEBALIVE                   },
@@ -3808,6 +3978,10 @@ void InitElementPropertiesStatic()
       if (HAS_PROPERTY(copy_properties[j][0], i))
        for (k = 1; k <= 4; k++)
          SET_PROPERTY(copy_properties[j][k], i, TRUE);
+
+  /* set static element properties that are not listed in array definitions */
+  for (i = EL_STEEL_CHAR_START; i <= EL_STEEL_CHAR_END; i++)
+    SET_PROPERTY(i, EP_INDESTRUCTIBLE, TRUE);
 }
 
 void InitElementPropertiesEngine(int engine_version)
@@ -3862,7 +4036,10 @@ void InitElementPropertiesEngine(int engine_version)
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
   {
     /* ---------- INACTIVE ------------------------------------------------- */
-    SET_PROPERTY(i, EP_INACTIVE, (i >= EL_CHAR_START && i <= EL_CHAR_END));
+    SET_PROPERTY(i, EP_INACTIVE, ((i >= EL_CHAR_START &&
+                                  i <= EL_CHAR_END) ||
+                                 (i >= EL_STEEL_CHAR_START &&
+                                  i <= EL_STEEL_CHAR_END)));
 
     /* ---------- WALKABLE, PASSABLE, ACCESSIBLE --------------------------- */
     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
@@ -3916,7 +4093,6 @@ void InitElementPropertiesEngine(int engine_version)
                                             !IS_COLLECTIBLE(i)));
 
     /* ---------- DRAGONFIRE_PROOF ----------------------------------------- */
-
     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, TRUE);
     else
@@ -4039,12 +4215,16 @@ void InitElementPropertiesEngine(int engine_version)
   {
     static int ep_em_slippery_wall[] =
     {
-      EL_STEELWALL,
       EL_WALL,
+      EL_STEELWALL,
       EL_EXPANDABLE_WALL,
       EL_EXPANDABLE_WALL_HORIZONTAL,
       EL_EXPANDABLE_WALL_VERTICAL,
       EL_EXPANDABLE_WALL_ANY,
+      EL_EXPANDABLE_STEELWALL_HORIZONTAL,
+      EL_EXPANDABLE_STEELWALL_VERTICAL,
+      EL_EXPANDABLE_STEELWALL_ANY,
+      EL_EXPANDABLE_STEELWALL_GROWING,
       -1
     };
 
@@ -4096,6 +4276,10 @@ static void InitGlobal()
     element_info[i].token_name = element_name_info[i].token_name;
     element_info[i].class_name = element_name_info[i].class_name;
     element_info[i].editor_description=element_name_info[i].editor_description;
+
+#if 0
+    printf("%04d: %s\n", i, element_name_info[i].token_name);
+#endif
   }
 
   global.autoplay_leveldir = NULL;
@@ -4580,7 +4764,7 @@ void InitGfx()
   DrawInitText(PROGRAM_COPYRIGHT_STRING, 50, FC_RED);
   DrawInitText(PROGRAM_WEBSITE_STRING, WIN_YSIZE - 20 - font_height, FC_RED);
 
-  DrawInitText("Loading graphics:", 120, FC_GREEN);
+  DrawInitText("Loading graphics", 120, FC_GREEN);
 }
 
 void RedrawBackground()
@@ -4595,7 +4779,6 @@ void InitGfxBackground()
 {
   int x, y;
 
-  drawto = backbuffer;
   fieldbuffer = bitmap_db_field;
   SetDrawtoField(DRAW_BACKBUFFER);
 
@@ -4910,8 +5093,7 @@ void OpenAll()
   InitJoysticks();
 
   InitVideoDisplay();
-  InitVideoBuffer(&backbuffer, &window, WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH,
-                 setup.fullscreen);
+  InitVideoBuffer(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH, setup.fullscreen);
 
   InitEventFilter(FilterMouseMotionEvents);
 
@@ -4920,8 +5102,11 @@ void OpenAll()
 
   InitGfx();
 
+  // debug_print_timestamp(0, "INIT");
   InitLevelInfo();
+  // debug_print_timestamp(0, "TIME InitLevelInfo:        ");
   InitLevelArtworkInfo();
+  // debug_print_timestamp(0, "TIME InitLevelArtworkInfo: ");
 
   InitImages();                        /* needs to know current level directory */
   InitSound(NULL);             /* needs to know current level directory */