rnd-20070113-1-src
[rocksndiamonds.git] / src / init.c
index e68c1cea8a7ea142591defe7e95e115854984cd0..f081d19a6d0b685b24d0e82abe2c013624ef1256 100644 (file)
@@ -1,7 +1,7 @@
 /***********************************************************
 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
 *----------------------------------------------------------*
-* (c) 1995-2002 Artsoft Entertainment                      *
+* (c) 1995-2006 Artsoft Entertainment                      *
 *               Holger Schemel                             *
 *               Detmolder Strasse 189                      *
 *               33604 Bielefeld                            *
@@ -104,6 +104,8 @@ void InitGadgets()
   CreateToolButtons();
   CreateScreenGadgets();
 
+  InitGadgetsSoundCallback(PlaySoundActivating, PlaySoundSelecting);
+
   gadgets_initialized = TRUE;
 }
 
@@ -143,6 +145,15 @@ void InitElementSmallImages()
     InitElementSmallImagesScaledUp(special_graphics[i]);
 }
 
+void InitScaledImages()
+{
+  int i;
+
+  /* scale normal images from static configuration, if not already scaled */
+  for (i = 0; i < NUM_IMAGE_FILES; i++)
+    ScaleImage(i, graphic_info[i].scale_up_factor);
+}
+
 #if 1
 /* !!! FIX THIS (CHANGE TO USING NORMAL ELEMENT GRAPHIC DEFINITIONS) !!! */
 void SetBitmaps_EM(Bitmap **em_bitmap)
@@ -156,7 +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;
@@ -241,7 +252,7 @@ void InitFontGraphicInfo()
     }
   }
 
-  /* initialize special element/graphic mapping from dynamic configuration */
+  /* initialize special font/graphic mapping from dynamic configuration */
   for (i = 0; i < num_property_mappings; i++)
   {
     int font_nr = property_mapping[i].base_index - MAX_NUM_ELEMENTS;
@@ -259,6 +270,54 @@ void InitFontGraphicInfo()
     }
   }
 
+  /* reset non-redefined ".active" font graphics if normal font is redefined */
+  /* (this different treatment is needed because normal and active fonts are
+     independently defined ("active" is not a property of font definitions!) */
+  for (i = 0; i < NUM_FONTS; i++)
+  {
+    int font_nr_base = i;
+    int font_nr_active = FONT_ACTIVE(font_nr_base);
+
+    /* check only those fonts with exist as normal and ".active" variant */
+    if (font_nr_base != font_nr_active)
+    {
+      int base_graphic = font_info[font_nr_base].graphic;
+      int active_graphic = font_info[font_nr_active].graphic;
+      boolean base_redefined =
+       getImageListEntryFromImageID(base_graphic)->redefined;
+      boolean active_redefined =
+       getImageListEntryFromImageID(active_graphic)->redefined;
+
+      /* if the base font ("font.menu_1", for example) has been redefined,
+        but not the active font ("font.menu_1.active", for example), do not
+        use an existing (in this case considered obsolete) active font
+        anymore, but use the automatically determined default font */
+      if (base_redefined && !active_redefined)
+       font_info[font_nr_active].graphic = base_graphic;
+
+      /* now also check each "special" font (which may be the same as above) */
+      for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
+      {
+       int base_graphic = font_info[font_nr_base].special_graphic[j];
+       int active_graphic = font_info[font_nr_active].special_graphic[j];
+       boolean base_redefined =
+         getImageListEntryFromImageID(base_graphic)->redefined;
+       boolean active_redefined =
+         getImageListEntryFromImageID(active_graphic)->redefined;
+
+       /* same as above, but check special graphic definitions, for example:
+          redefined "font.menu_1.MAIN" invalidates "font.menu_1.active.MAIN" */
+       if (base_redefined && !active_redefined)
+       {
+         font_info[font_nr_active].special_graphic[j] =
+           font_info[font_nr_base].special_graphic[j];
+         font_info[font_nr_active].special_bitmap_id[j] =
+           font_info[font_nr_base].special_bitmap_id[j];
+       }
+      }
+    }
+  }
+
   /* ---------- initialize font bitmap array ---------- */
 
   if (font_bitmap_info != NULL)
@@ -286,7 +345,7 @@ void InitFontGraphicInfo()
       if (graphic_info[graphic].anim_frames < MIN_NUM_CHARS_PER_FONT)
       {
        graphic_info[graphic].anim_frames = DEFAULT_NUM_CHARS_PER_FONT;
-       graphic_info[graphic].anim_frames_per_line= DEFAULT_NUM_CHARS_PER_LINE;
+       graphic_info[graphic].anim_frames_per_line = DEFAULT_NUM_CHARS_PER_LINE;
       }
 
       /* copy font relevant information from graphics information */
@@ -295,8 +354,11 @@ void InitFontGraphicInfo()
       font_bitmap_info[font_bitmap_id].src_y  = graphic_info[graphic].src_y;
       font_bitmap_info[font_bitmap_id].width  = graphic_info[graphic].width;
       font_bitmap_info[font_bitmap_id].height = graphic_info[graphic].height;
-      font_bitmap_info[font_bitmap_id].draw_x = graphic_info[graphic].draw_x;
-      font_bitmap_info[font_bitmap_id].draw_y = graphic_info[graphic].draw_y;
+
+      font_bitmap_info[font_bitmap_id].draw_xoffset =
+       graphic_info[graphic].draw_xoffset;
+      font_bitmap_info[font_bitmap_id].draw_yoffset =
+       graphic_info[graphic].draw_yoffset;
 
       font_bitmap_info[font_bitmap_id].num_chars =
        graphic_info[graphic].anim_frames;
@@ -717,6 +779,8 @@ void InitElementGraphicInfo()
     }
   }
 
+#if 0
+  /* !!! THIS ALSO CLEARS SPECIAL FLAGS (AND IS NOT NEEDED ANYWAY) !!! */
   /* set animation mode to "none" for each graphic with only 1 frame */
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
   {
@@ -742,6 +806,7 @@ void InitElementGraphicInfo()
       }
     }
   }
+#endif
 
 #if 0
 #if DEBUG
@@ -821,12 +886,12 @@ static int get_graphic_parameter_value(char *value_raw, char *suffix, int type)
   if (type != TYPE_TOKEN)
     return get_parameter_value(value_raw, suffix, type);
 
-  if (strcmp(value_raw, ARG_UNDEFINED) == 0)
+  if (strEqual(value_raw, ARG_UNDEFINED))
     return ARG_UNDEFINED_VALUE;
 
   /* !!! OPTIMIZE THIS BY USING HASH !!! */
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
-    if (strcmp(element_info[i].token_name, value_raw) == 0)
+    if (strEqual(element_info[i].token_name, value_raw))
       return i;
 
   /* !!! OPTIMIZE THIS BY USING HASH !!! */
@@ -834,12 +899,12 @@ static int get_graphic_parameter_value(char *value_raw, char *suffix, int type)
   {
     int len_config_value = strlen(image_config[i].value);
 
-    if (strcmp(&image_config[i].value[len_config_value - 4], ".pcx") != 0 &&
-       strcmp(&image_config[i].value[len_config_value - 4], ".wav") != 0 &&
-       strcmp(image_config[i].value, UNDEFINED_FILENAME) != 0)
+    if (!strEqual(&image_config[i].value[len_config_value - 4], ".pcx") &&
+       !strEqual(&image_config[i].value[len_config_value - 4], ".wav") &&
+       !strEqual(image_config[i].value, UNDEFINED_FILENAME))
       continue;
 
-    if (strcmp(image_config[i].token, value_raw) == 0)
+    if (strEqual(image_config[i].token, value_raw))
       return x;
 
     x++;
@@ -886,13 +951,13 @@ static void set_graphic_parameters(int graphic)
 
   graphic_info[graphic].bitmap = src_bitmap;
 
-  /* start with reliable default values */
+  /* always start with reliable default values */
   graphic_info[graphic].src_image_width = 0;
   graphic_info[graphic].src_image_height = 0;
   graphic_info[graphic].src_x = 0;
   graphic_info[graphic].src_y = 0;
-  graphic_info[graphic].width = TILEX;
-  graphic_info[graphic].height = TILEY;
+  graphic_info[graphic].width  = TILEX;        /* default for element graphics */
+  graphic_info[graphic].height = TILEY;        /* default for element graphics */
   graphic_info[graphic].offset_x = 0;  /* one or both of these values ... */
   graphic_info[graphic].offset_y = 0;  /* ... will be corrected later */
   graphic_info[graphic].offset2_x = 0; /* one or both of these values ... */
@@ -907,6 +972,26 @@ static void set_graphic_parameters(int graphic)
   graphic_info[graphic].anim_delay_random = 0;
   graphic_info[graphic].post_delay_fixed = 0;
   graphic_info[graphic].post_delay_random = 0;
+  graphic_info[graphic].fade_delay = -1;
+  graphic_info[graphic].post_delay = -1;
+  graphic_info[graphic].auto_delay = -1;
+
+#if 1
+  /* optional zoom factor for scaling up the image to a larger size */
+  if (parameter[GFX_ARG_SCALE_UP_FACTOR] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].scale_up_factor = parameter[GFX_ARG_SCALE_UP_FACTOR];
+  if (graphic_info[graphic].scale_up_factor < 1)
+    graphic_info[graphic].scale_up_factor = 1;         /* no scaling */
+#endif
+
+#if 1
+  if (graphic_info[graphic].use_image_size)
+  {
+    /* set new default bitmap size (with scaling, but without small images) */
+    graphic_info[graphic].width  = get_scaled_graphic_width(graphic);
+    graphic_info[graphic].height = get_scaled_graphic_height(graphic);
+  }
+#endif
 
   /* optional x and y tile position of animation frame sequence */
   if (parameter[GFX_ARG_XPOS] != ARG_UNDEFINED_VALUE)
@@ -926,11 +1011,13 @@ static void set_graphic_parameters(int graphic)
   if (parameter[GFX_ARG_HEIGHT] != ARG_UNDEFINED_VALUE)
     graphic_info[graphic].height = parameter[GFX_ARG_HEIGHT];
 
+#if 0
   /* optional zoom factor for scaling up the image to a larger size */
   if (parameter[GFX_ARG_SCALE_UP_FACTOR] != ARG_UNDEFINED_VALUE)
     graphic_info[graphic].scale_up_factor = parameter[GFX_ARG_SCALE_UP_FACTOR];
   if (graphic_info[graphic].scale_up_factor < 1)
     graphic_info[graphic].scale_up_factor = 1;         /* no scaling */
+#endif
 
   if (src_bitmap)
   {
@@ -1003,6 +1090,9 @@ static void set_graphic_parameters(int graphic)
   else
     graphic_info[graphic].anim_frames = 1;
 
+  if (graphic_info[graphic].anim_frames == 0)  /* frames must be at least 1 */
+    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] : anim_frames_per_line);
@@ -1060,8 +1150,8 @@ static void set_graphic_parameters(int graphic)
   graphic_info[graphic].step_delay  = parameter[GFX_ARG_STEP_DELAY];
 
   /* this is only used for drawing font characters */
-  graphic_info[graphic].draw_x = parameter[GFX_ARG_DRAW_XOFFSET];
-  graphic_info[graphic].draw_y = parameter[GFX_ARG_DRAW_YOFFSET];
+  graphic_info[graphic].draw_xoffset = parameter[GFX_ARG_DRAW_XOFFSET];
+  graphic_info[graphic].draw_yoffset = parameter[GFX_ARG_DRAW_YOFFSET];
 
   /* this is only used for drawing envelope graphics */
   graphic_info[graphic].draw_masked = parameter[GFX_ARG_DRAW_MASKED];
@@ -1069,6 +1159,14 @@ static void set_graphic_parameters(int graphic)
   /* optional graphic for cloning all graphics settings */
   if (parameter[GFX_ARG_CLONE_FROM] != ARG_UNDEFINED_VALUE)
     graphic_info[graphic].clone_from = parameter[GFX_ARG_CLONE_FROM];
+
+  /* optional settings for drawing title screens */
+  if (parameter[GFX_ARG_FADE_DELAY] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].fade_delay = parameter[GFX_ARG_FADE_DELAY];
+  if (parameter[GFX_ARG_POST_DELAY] != ARG_UNDEFINED_VALUE)
+    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];
 }
 
 static void set_cloned_graphic_parameters(int graphic)
@@ -1124,10 +1222,61 @@ static void InitGraphicInfo()
   GC copy_clipmask_gc = None;
 #endif
 
+  /* use image size as default values for width and height for these images */
+  static int full_size_graphics[] =
+  {
+    IMG_GLOBAL_BORDER,
+    IMG_GLOBAL_DOOR,
+
+    IMG_BACKGROUND_ENVELOPE_1,
+    IMG_BACKGROUND_ENVELOPE_2,
+    IMG_BACKGROUND_ENVELOPE_3,
+    IMG_BACKGROUND_ENVELOPE_4,
+
+    IMG_BACKGROUND,
+    IMG_BACKGROUND_TITLE,
+    IMG_BACKGROUND_MESSAGE,
+    IMG_BACKGROUND_MAIN,
+    IMG_BACKGROUND_LEVELS,
+    IMG_BACKGROUND_SCORES,
+    IMG_BACKGROUND_EDITOR,
+    IMG_BACKGROUND_INFO,
+    IMG_BACKGROUND_INFO_ELEMENTS,
+    IMG_BACKGROUND_INFO_MUSIC,
+    IMG_BACKGROUND_INFO_CREDITS,
+    IMG_BACKGROUND_INFO_PROGRAM,
+    IMG_BACKGROUND_INFO_LEVELSET,
+    IMG_BACKGROUND_SETUP,
+    IMG_BACKGROUND_DOOR,
+
+    IMG_TITLESCREEN_INITIAL_1,
+    IMG_TITLESCREEN_INITIAL_2,
+    IMG_TITLESCREEN_INITIAL_3,
+    IMG_TITLESCREEN_INITIAL_4,
+    IMG_TITLESCREEN_INITIAL_5,
+    IMG_TITLESCREEN_1,
+    IMG_TITLESCREEN_2,
+    IMG_TITLESCREEN_3,
+    IMG_TITLESCREEN_4,
+    IMG_TITLESCREEN_5,
+
+    -1
+  };
+
   checked_free(graphic_info);
 
   graphic_info = checked_calloc(num_images * sizeof(struct GraphicInfo));
 
+#if 1
+  /* initialize "use_image_size" flag with default value */
+  for (i = 0; i < num_images; i++)
+    graphic_info[i].use_image_size = FALSE;
+
+  /* initialize "use_image_size" flag from static configuration above */
+  for (i = 0; full_size_graphics[i] != -1; i++)
+    graphic_info[full_size_graphics[i]].use_image_size = TRUE;
+#endif
+
 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
   if (clipmasks_initialized)
   {
@@ -1157,6 +1306,7 @@ static void InitGraphicInfo()
   {
     Bitmap *src_bitmap;
     int src_x, src_y;
+    int width, height;
     int first_frame, last_frame;
     int src_bitmap_width, src_bitmap_height;
 
@@ -1165,6 +1315,10 @@ static void InitGraphicInfo()
     if (graphic_info[i].bitmap == NULL)
       continue;                /* skip check for optional images that are undefined */
 
+    /* get image size (this can differ from the standard element tile size!) */
+    width  = graphic_info[i].width;
+    height = graphic_info[i].height;
+
     /* get final bitmap size (with scaling, but without small images) */
     src_bitmap_width  = graphic_info[i].src_image_width;
     src_bitmap_height = graphic_info[i].src_image_height;
@@ -1174,9 +1328,15 @@ static void InitGraphicInfo()
     first_frame = 0;
     getGraphicSource(i, first_frame, &src_bitmap, &src_x, &src_y);
 
+#if 1
+    /* this avoids calculating wrong start position for out-of-bounds frame */
+    src_x = graphic_info[i].src_x;
+    src_y = graphic_info[i].src_y;
+#endif
+
     if (src_x < 0 || src_y < 0 ||
-       src_x + TILEX > src_bitmap_width ||
-       src_y + TILEY > src_bitmap_height)
+       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:");
@@ -1203,8 +1363,8 @@ static void InitGraphicInfo()
     getGraphicSource(i, last_frame, &src_bitmap, &src_x, &src_y);
 
     if (src_x < 0 || src_y < 0 ||
-       src_x + TILEX > src_bitmap_width ||
-       src_y + TILEY > src_bitmap_height)
+       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:");
@@ -1287,8 +1447,8 @@ static void InitElementSoundInfo()
       element_info[element].sound[action] = sound;
     else
       for (j = 0; j < MAX_NUM_ELEMENTS; j++)
-       if (strcmp(element_info[j].class_name,
-                  element_info[element].class_name) == 0)
+       if (strEqual(element_info[j].class_name,
+                    element_info[element].class_name))
          element_info[j].sound[action] = sound;
   }
 
@@ -1306,8 +1466,8 @@ static void InitElementSoundInfo()
       action = ACTION_DEFAULT;
 
     for (j = 0; j < MAX_NUM_ELEMENTS; j++)
-      if (strcmp(element_info[j].class_name,
-                element_info[element_class].class_name) == 0)
+      if (strEqual(element_info[j].class_name,
+                  element_info[element_class].class_name))
        element_info[j].sound[action] = sound;
   }
 
@@ -1462,8 +1622,8 @@ static void InitSoundInfo()
       int len_action_text = strlen(element_action_info[j].suffix);
 
       if (len_action_text < len_effect_text &&
-         strcmp(&sound->token[len_effect_text - len_action_text],
-                element_action_info[j].suffix) == 0)
+         strEqual(&sound->token[len_effect_text - len_action_text],
+                  element_action_info[j].suffix))
       {
        sound_effect_properties[i] = element_action_info[j].value;
        sound_info[i].loop = element_action_info[j].is_loop_sound;
@@ -1641,7 +1801,8 @@ static void ReinitializeGraphics()
   InitElementGraphicInfo();            /* element game graphic mapping */
   InitElementSpecialGraphicInfo();     /* element special graphic mapping */
 
-  InitElementSmallImages();            /* scale images to all needed sizes */
+  InitElementSmallImages();            /* scale elements to all needed sizes */
+  InitScaledImages();                  /* scale all other images, if needed */
   InitFontGraphicInfo();               /* initialize text drawing functions */
 
   InitGraphicInfo_EM();                        /* graphic mapping for EM engine */
@@ -1798,7 +1959,6 @@ boolean getBitfieldProperty(int *bitfield, int property_bit_nr, int element)
   return FALSE;
 }
 
-#if 1
 static void resolve_group_element(int group_element, int recursion_depth)
 {
   static int group_nr;
@@ -1845,7 +2005,6 @@ static void resolve_group_element(int group_element, int recursion_depth)
     }
   }
 }
-#endif
 
 void InitElementPropertiesStatic()
 {
@@ -2017,13 +2176,20 @@ 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_STEELWALL_SLIPPERY,
     EL_EMC_STEELWALL_1,
     EL_EMC_STEELWALL_2,
@@ -2888,6 +3054,7 @@ void InitElementPropertiesStatic()
     EL_EXPANDABLE_WALL_VERTICAL,
     EL_EXPANDABLE_WALL_ANY,
     EL_EXPANDABLE_WALL_GROWING,
+    EL_BD_EXPANDABLE_WALL,
     EL_BD_WALL,
     EL_SP_CHIP_SINGLE,
     EL_SP_CHIP_LEFT,
@@ -2937,6 +3104,7 @@ void InitElementPropertiesStatic()
     EL_EXPANDABLE_WALL_HORIZONTAL,
     EL_EXPANDABLE_WALL_VERTICAL,
     EL_EXPANDABLE_WALL_ANY,
+    EL_BD_EXPANDABLE_WALL,
     EL_BD_WALL,
     EL_WALL_SLIPPERY,
     EL_EXIT_CLOSED,
@@ -3034,13 +3202,20 @@ 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_STEELWALL_SLIPPERY,
     EL_EMC_STEELWALL_1,
     EL_EMC_STEELWALL_2,
@@ -3452,13 +3627,18 @@ 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_STEELWALL_SLIPPERY,
     EL_EMC_STEELWALL_1,
     EL_EMC_STEELWALL_2,
@@ -3514,10 +3694,11 @@ void InitElementPropertiesStatic()
     EL_INTERNAL_CASCADE_DC_ACTIVE,
     EL_INTERNAL_CASCADE_DX_ACTIVE,
     EL_INTERNAL_CASCADE_CHARS_ACTIVE,
+    EL_INTERNAL_CASCADE_STEELCHARS_ACTIVE,
     EL_INTERNAL_CASCADE_CE_ACTIVE,
     EL_INTERNAL_CASCADE_GE_ACTIVE,
+    EL_INTERNAL_CASCADE_REF_ACTIVE,
     EL_INTERNAL_CASCADE_USER_ACTIVE,
-    EL_INTERNAL_CASCADE_GENERIC_ACTIVE,
     EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
 
     -1
@@ -3534,15 +3715,29 @@ void InitElementPropertiesStatic()
     EL_INTERNAL_CASCADE_DC,
     EL_INTERNAL_CASCADE_DX,
     EL_INTERNAL_CASCADE_CHARS,
+    EL_INTERNAL_CASCADE_STEELCHARS,
     EL_INTERNAL_CASCADE_CE,
     EL_INTERNAL_CASCADE_GE,
+    EL_INTERNAL_CASCADE_REF,
     EL_INTERNAL_CASCADE_USER,
-    EL_INTERNAL_CASCADE_GENERIC,
     EL_INTERNAL_CASCADE_DYNAMIC,
 
     -1
   };
 
+  static int ep_obsolete[] =
+  {
+    EL_PLAYER_OBSOLETE,
+    EL_KEY_OBSOLETE,
+    EL_EM_KEY_1_FILE_OBSOLETE,
+    EL_EM_KEY_2_FILE_OBSOLETE,
+    EL_EM_KEY_3_FILE_OBSOLETE,
+    EL_EM_KEY_4_FILE_OBSOLETE,
+    EL_ENVELOPE_OBSOLETE,
+
+    -1
+  };
+
   static struct
   {
     int *elements;
@@ -3613,6 +3808,8 @@ void InitElementPropertiesStatic()
     { ep_editor_cascade_active,                EP_EDITOR_CASCADE_ACTIVE        },
     { ep_editor_cascade_inactive,      EP_EDITOR_CASCADE_INACTIVE      },
 
+    { ep_obsolete,                     EP_OBSOLETE                     },
+
     { NULL,                            -1                              }
   };
 
@@ -3676,7 +3873,6 @@ void InitElementPropertiesEngine(int engine_version)
      property (which means that conditional property changes must be set to
      a reliable default value before) */
 
-#if 1
   /* ---------- recursively resolve group elements ------------------------- */
 
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
@@ -3685,13 +3881,19 @@ void InitElementPropertiesEngine(int engine_version)
 
   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
     resolve_group_element(EL_GROUP_START + i, 0);
-#endif
 
   /* set all special, combined or engine dependent element properties */
   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_STEELCHAR_START &&
+                                  i <= EL_STEELCHAR_END)));
+
+    /* ---------- INDESTRUCTIBLE -------------------------------------------- */
+    if (i >= EL_STEELCHAR_START && i <= EL_STEELCHAR_END)
+      SET_PROPERTY(i, EP_INDESTRUCTIBLE, TRUE);
 
     /* ---------- WALKABLE, PASSABLE, ACCESSIBLE --------------------------- */
     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
@@ -3745,7 +3947,6 @@ 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
@@ -3888,28 +4089,14 @@ void InitElementPropertiesEngine(int engine_version)
                  engine_version > VERSION_IDENT(2,0,1,0)));
   }
 
-  /* set default push delay values (corrected since version 3.0.7-1) */
-  if (engine_version < VERSION_IDENT(3,0,7,1))
-  {
-    game.default_push_delay_fixed = 2;
-    game.default_push_delay_random = 8;
-  }
-  else
-  {
-    game.default_push_delay_fixed = 8;
-    game.default_push_delay_random = 8;
-  }
-
-  /* set uninitialized push delay values of custom elements in older levels */
-  for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
-  {
-    int element = EL_CUSTOM_START + i;
+  /* this is needed because some graphics depend on element properties */
+  if (game_status == GAME_MODE_PLAYING)
+    InitElementGraphicInfo();
+}
 
-    if (element_info[element].push_delay_fixed == -1)
-      element_info[element].push_delay_fixed = game.default_push_delay_fixed;
-    if (element_info[element].push_delay_random == -1)
-      element_info[element].push_delay_random = game.default_push_delay_random;
-  }
+void InitElementPropertiesAfterLoading(int engine_version)
+{
+  int i;
 
   /* set some other uninitialized values of custom elements in older levels */
   if (engine_version < VERSION_IDENT(3,1,0,0))
@@ -3924,19 +4111,6 @@ void InitElementPropertiesEngine(int engine_version)
       element_info[element].ignition_delay = 8;
     }
   }
-
-#if 0
-  /* set element properties that were handled incorrectly in older levels */
-  if (engine_version < VERSION_IDENT(3,1,0,0))
-  {
-    SET_PROPERTY(EL_SP_SNIKSNAK, EP_DONT_COLLIDE_WITH, FALSE);
-    SET_PROPERTY(EL_SP_ELECTRON, EP_DONT_COLLIDE_WITH, FALSE);
-  }
-#endif
-
-  /* this is needed because some graphics depend on element properties */
-  if (game_status == GAME_MODE_PLAYING)
-    InitElementGraphicInfo();
 }
 
 static void InitGlobal()
@@ -3952,6 +4126,10 @@ 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;
@@ -3966,7 +4144,7 @@ void Execute_Command(char *command)
 {
   int i;
 
-  if (strcmp(command, "print graphicsinfo.conf") == 0)
+  if (strEqual(command, "print graphicsinfo.conf"))
   {
     printf("# You can configure additional/alternative image files here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
@@ -3982,7 +4160,7 @@ void Execute_Command(char *command)
 
     exit(0);
   }
-  else if (strcmp(command, "print soundsinfo.conf") == 0)
+  else if (strEqual(command, "print soundsinfo.conf"))
   {
     printf("# You can configure additional/alternative sound files here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
@@ -3998,7 +4176,7 @@ void Execute_Command(char *command)
 
     exit(0);
   }
-  else if (strcmp(command, "print musicinfo.conf") == 0)
+  else if (strEqual(command, "print musicinfo.conf"))
   {
     printf("# You can configure additional/alternative music files here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
@@ -4014,7 +4192,7 @@ void Execute_Command(char *command)
 
     exit(0);
   }
-  else if (strcmp(command, "print editorsetup.conf") == 0)
+  else if (strEqual(command, "print editorsetup.conf"))
   {
     printf("# You can configure your personal editor element list here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
@@ -4028,7 +4206,7 @@ void Execute_Command(char *command)
 
     exit(0);
   }
-  else if (strcmp(command, "print helpanim.conf") == 0)
+  else if (strEqual(command, "print helpanim.conf"))
   {
     printf("# You can configure different element help animations here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
@@ -4039,13 +4217,13 @@ void Execute_Command(char *command)
       printf("# %s\n", getFormattedSetupEntry(helpanim_config[i].token,
                                              helpanim_config[i].value));
 
-      if (strcmp(helpanim_config[i].token, "end") == 0)
+      if (strEqual(helpanim_config[i].token, "end"))
        printf("#\n");
     }
 
     exit(0);
   }
-  else if (strcmp(command, "print helptext.conf") == 0)
+  else if (strEqual(command, "print helptext.conf"))
   {
     printf("# You can configure different element help text here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
@@ -4131,6 +4309,45 @@ void Execute_Command(char *command)
       global.convert_level_nr = atoi(str_ptr); /* get level_nr value */
     }
   }
+
+#if DEBUG
+#if defined(TARGET_SDL)
+  else if (strEqual(command, "SDL_ListModes"))
+  {
+    SDL_Rect **modes;
+    int i;
+
+    SDL_Init(SDL_INIT_VIDEO);
+
+    /* get available fullscreen/hardware modes */
+    modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE);
+
+    /* check if there are any modes available */
+    if (modes == NULL)
+    {
+      printf("No modes available!\n");
+
+      exit(-1);
+    }
+
+    /* check if our resolution is restricted */
+    if (modes == (SDL_Rect **)-1)
+    {
+      printf("All resolutions available.\n");
+    }
+    else
+    {
+      printf("Available Modes:\n");
+
+      for(i = 0; modes[i]; i++)
+       printf("  %d x %d\n", modes[i]->w, modes[i]->h);
+    }
+
+    exit(0);
+  }
+#endif
+#endif
+
   else
   {
     Error(ERR_EXIT_HELP, "unrecognized command '%s'", command);
@@ -4326,6 +4543,7 @@ void InitGfx()
 {
   char *filename_font_initial = NULL;
   Bitmap *bitmap_font_initial = NULL;
+  int font_height;
   int i, j;
 
   /* determine settings for initial font (for displaying startup messages) */
@@ -4339,18 +4557,18 @@ void InitGfx()
       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
       len_font_token = strlen(font_token);
 
-      if (strcmp(image_config[i].token, font_token) == 0)
+      if (strEqual(image_config[i].token, font_token))
        filename_font_initial = image_config[i].value;
       else if (strlen(image_config[i].token) > len_font_token &&
               strncmp(image_config[i].token, font_token, len_font_token) == 0)
       {
-       if (strcmp(&image_config[i].token[len_font_token], ".x") == 0)
+       if (strEqual(&image_config[i].token[len_font_token], ".x"))
          font_initial[j].src_x = atoi(image_config[i].value);
-       else if (strcmp(&image_config[i].token[len_font_token], ".y") == 0)
+       else if (strEqual(&image_config[i].token[len_font_token], ".y"))
          font_initial[j].src_y = atoi(image_config[i].value);
-       else if (strcmp(&image_config[i].token[len_font_token], ".width") == 0)
+       else if (strEqual(&image_config[i].token[len_font_token], ".width"))
          font_initial[j].width = atoi(image_config[i].value);
-       else if (strcmp(&image_config[i].token[len_font_token],".height") == 0)
+       else if (strEqual(&image_config[i].token[len_font_token],".height"))
          font_initial[j].height = atoi(image_config[i].value);
       }
     }
@@ -4365,8 +4583,10 @@ void InitGfx()
   if (filename_font_initial == NULL)   /* should not happen */
     Error(ERR_EXIT, "cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
 
-  /* create additional image buffers for double-buffering */
+  /* create additional image buffers for double-buffering and cross-fading */
+  bitmap_db_cross = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
   bitmap_db_field = CreateBitmap(FXSIZE, FYSIZE, DEFAULT_DEPTH);
+  bitmap_db_panel = CreateBitmap(DXSIZE, DYSIZE, DEFAULT_DEPTH);
   bitmap_db_door  = CreateBitmap(3 * DXSIZE, DYSIZE + VYSIZE, DEFAULT_DEPTH);
 
   /* initialize screen properties */
@@ -4384,22 +4604,36 @@ void InitGfx()
 
   InitFontGraphicInfo();
 
+  font_height = getFontHeight(FC_RED);
+
+#if 1
+  DrawInitText(getWindowTitleString(), 20, FC_YELLOW);
+#else
   DrawInitText(getProgramInitString(), 20, FC_YELLOW);
+#endif
   DrawInitText(PROGRAM_COPYRIGHT_STRING, 50, FC_RED);
+  DrawInitText(PROGRAM_WEBSITE_STRING, WIN_YSIZE - 20 - font_height, FC_RED);
+
+  DrawInitText("Loading graphics", 120, FC_GREEN);
+}
+
+void RedrawBackground()
+{
+  BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
+            0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 
-  DrawInitText("Loading graphics:", 120, FC_GREEN);
+  redraw_mask = REDRAW_ALL;
 }
 
 void InitGfxBackground()
 {
   int x, y;
 
-  drawto = backbuffer;
   fieldbuffer = bitmap_db_field;
   SetDrawtoField(DRAW_BACKBUFFER);
 
-  BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
-            0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+  RedrawBackground();
+
   ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
   ClearRectangle(bitmap_db_door, 0, 0, 3 * DXSIZE, DYSIZE + VYSIZE);
 
@@ -4570,8 +4804,8 @@ static char *getNewArtworkIdentifier(int type)
 #endif
 
   /* ---------- reload if current artwork identifier has changed ----------- */
-  if (strcmp(ARTWORK_CURRENT_IDENTIFIER(artwork, type),
-            artwork_current_identifier) != 0)
+  if (!strEqual(ARTWORK_CURRENT_IDENTIFIER(artwork, type),
+               artwork_current_identifier))
     artwork_new_identifier = artwork_current_identifier;
 
   *(ARTWORK_CURRENT_IDENTIFIER_PTR(artwork, type))= artwork_current_identifier;
@@ -4605,14 +4839,20 @@ static char *getNewArtworkIdentifier(int type)
 
 void ReloadCustomArtwork(int force_reload)
 {
-  char *gfx_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
-  char *snd_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
-  char *mus_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
+  char *gfx_new_identifier;
+  char *snd_new_identifier;
+  char *mus_new_identifier;
   boolean force_reload_gfx = (force_reload & (1 << ARTWORK_TYPE_GRAPHICS));
   boolean force_reload_snd = (force_reload & (1 << ARTWORK_TYPE_SOUNDS));
   boolean force_reload_mus = (force_reload & (1 << ARTWORK_TYPE_MUSIC));
   boolean redraw_screen = FALSE;
 
+  force_reload_gfx |= AdjustGraphicsForEMC();
+
+  gfx_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
+  snd_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
+  mus_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
+
   if (gfx_new_identifier != NULL || force_reload_gfx)
   {
 #if 0
@@ -4650,7 +4890,7 @@ void ReloadCustomArtwork(int force_reload)
 
   if (redraw_screen)
   {
-    InitGfxBackground();
+    RedrawBackground();
 
     /* force redraw of (open or closed) door graphics */
     SetDoorState(DOOR_OPEN_ALL);
@@ -4698,13 +4938,12 @@ void OpenAll()
   InitCounter();
 
   InitRND(NEW_RANDOMIZE);
-  InitSimpleRND(NEW_RANDOMIZE);
+  InitSimpleRandom(NEW_RANDOMIZE);
 
   InitJoysticks();
 
   InitVideoDisplay();
-  InitVideoBuffer(&backbuffer, &window, WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH,
-                 setup.fullscreen);
+  InitVideoBuffer(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH, setup.fullscreen);
 
   InitEventFilter(FilterMouseMotionEvents);
 
@@ -4713,8 +4952,11 @@ 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 */
@@ -4722,6 +4964,10 @@ void OpenAll()
 
   InitGfxBackground();
 
+#if 1
+  em_open_all();
+#endif
+
   if (global.autoplay_leveldir)
   {
     AutoPlayTape();
@@ -4735,10 +4981,6 @@ void OpenAll()
 
   game_status = GAME_MODE_MAIN;
 
-#if 1
-  em_open_all();
-#endif
-
   DrawMainMenu();
 
   InitNetworkServer();
@@ -4765,5 +5007,8 @@ void CloseAllAndExit(int exit_value)
   CloseVideoDisplay();
   ClosePlatformDependentStuff();
 
+  if (exit_value != 0)
+    NotifyUserAboutErrorFile();
+
   exit(exit_value);
 }