X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Finit.c;h=d7be34a66381b5146a798940f08ef9f1fe0b130e;hb=c8acee298eb56783813578bf38cabddfee9976c4;hp=2f0998ae79618051cb856a06e29f75cbd9daf4cf;hpb=c5ee7e4524f10322894b2547337e4c973a80a552;p=rocksndiamonds.git

diff --git a/src/init.c b/src/init.c
index 2f0998ae..d7be34a6 100644
--- a/src/init.c
+++ b/src/init.c
@@ -27,59 +27,36 @@
 #include "config.h"
 
 #include "conf_e2g.c"	/* include auto-generated data structure definitions */
+#include "conf_esg.c"	/* include auto-generated data structure definitions */
 
 
-static char *image_filename[NUM_PICTURES] =
-{
-#if 0
-  "RocksScreen.pcx",
-  "RocksDoor.pcx",
-  "RocksToons.pcx",
-  "RocksFontBig.pcx",
-  "RocksFontSmall.pcx",
-  "RocksFontMedium.pcx",
-  "RocksFontEM.pcx"
-#else
-  "RocksScreen.pcx",
-  "RocksElements.pcx",
-  "RocksDoor.pcx",
-  "RocksHeroes.pcx",
-  "RocksToons.pcx",
-  "RocksSP.pcx",
-  "RocksDC.pcx",
-  "RocksMore.pcx",
-  "RocksFontBig.pcx",
-  "RocksFontSmall.pcx",
-  "RocksFontMedium.pcx",
-  "RocksFontEM.pcx"
-#endif
-}; 
-
 static Bitmap *bitmap_font_initial = NULL;
 
-static void InitGlobal(void);
-static void InitSetup(void);
-static void InitPlayerInfo(void);
-static void InitLevelInfo(void);
-static void InitArtworkInfo(void);
-static void InitLevelArtworkInfo(void);
-static void InitNetworkServer(void);
-static void InitArtworkConfig(void);
-static void InitImages(void);
-static void InitMixer(void);
-static void InitSound(void);
-static void InitMusic(void);
-static void InitGfx(void);
-static void InitGfxBackground(void);
-static void InitGadgets(void);
-static void InitElementProperties(void);
-static void InitElementGraphicInfo(void);
-static void InitElementSoundInfo(void);
-static void InitGraphicInfo(void);
+static void InitGlobal();
+static void InitSetup();
+static void InitPlayerInfo();
+static void InitLevelInfo();
+static void InitArtworkInfo();
+static void InitLevelArtworkInfo();
+static void InitNetworkServer();
+static void InitArtworkConfig();
+static void InitImages();
+static void InitMixer();
+static void InitSound();
+static void InitMusic();
+static void InitGfx();
+static void InitGfxBackground();
+static void InitGadgets();
+static void InitElementSmallImages();
+static void InitElementGraphicInfo();
+static void InitElementSpecialGraphicInfo();
+static void InitElementSoundInfo();
+static void InitElementProperties();
+static void InitGraphicInfo();
 static void InitSoundInfo();
 static void Execute_Command(char *);
 
-void OpenAll(void)
+void OpenAll()
 {
   InitGlobal();		/* initialize some global variables */
 
@@ -188,12 +165,24 @@ static void InitArtworkConfig()
   static char *sound_class_prefix[MAX_NUM_ELEMENTS + 1];
   static char *action_suffix[NUM_ACTIONS + 1];
   static char *direction_suffix[NUM_DIRECTIONS + 1];
+  static char *special_suffix[NUM_SPECIAL_GFX_ARGS + 1];
   static char *dummy[1] = { NULL };
+  static char *ignore_image_tokens[] =
+  {
+    "name",
+    "sort_priority",
+    "menu.main.hide_static_text",
+    "global.num_toons",
+    NULL
+  };
+  static char *ignore_sound_tokens[] =
+  {
+    "name",
+    "sort_priority",
+    NULL
+  };
   int i;
 
-  for (i=0; i<MAX_NUM_ELEMENTS; i++)
-    element_info[i].custom_description = NULL;
-
   for (i=0; i<MAX_NUM_ELEMENTS + 1; i++)
     element_prefix[i] = element_info[i].token_name;
   for (i=0; i<MAX_NUM_ELEMENTS + 1; i++)
@@ -202,11 +191,15 @@ static void InitArtworkConfig()
     action_suffix[i] = element_action_info[i].suffix;
   for (i=0; i<NUM_DIRECTIONS + 1; i++)
     direction_suffix[i] = element_direction_info[i].suffix;
+  for (i=0; i<NUM_SPECIAL_GFX_ARGS + 1; i++)
+    special_suffix[i] = special_suffix_info[i].suffix;
 
   InitImageList(image_config, NUM_IMAGE_FILES, image_config_suffix,
-		element_prefix, action_suffix, direction_suffix);
+		element_prefix, action_suffix, direction_suffix,
+		special_suffix, ignore_image_tokens);
   InitSoundList(sound_config, NUM_SOUND_FILES, sound_config_suffix,
-		sound_class_prefix, action_suffix, dummy);
+		sound_class_prefix, action_suffix, dummy,
+		dummy, ignore_sound_tokens);
 }
 
 void InitLevelArtworkInfo()
@@ -245,8 +238,11 @@ static void InitMixer()
 
 static void ReinitializeGraphics()
 {
-  InitElementGraphicInfo();	/* initialize element/graphic config info */
-  InitGraphicInfo();		/* initialize graphic info from config file */
+  InitElementGraphicInfo();		/* element game graphic mapping */
+  InitElementSpecialGraphicInfo();	/* element special graphic mapping */
+  InitGraphicInfo();			/* graphic properties mapping */
+
+  InitElementSmallImages();		/* create editor and preview images */
 
   InitFontInfo(bitmap_font_initial,
 	       graphic_info[IMG_FONT_BIG].bitmap,
@@ -263,10 +259,10 @@ static void ReinitializeGraphics()
 
 static void ReinitializeSounds()
 {
-  InitElementSoundInfo();	/* initialize element/sound config info */
-  InitSoundInfo();		/* initialize sounds info from config file */
+  InitElementSoundInfo();	/* element game sound mapping */
+  InitSoundInfo();		/* sound properties mapping */
 
-  InitPlaySoundLevel();		/* initialize internal game sound values */
+  InitPlaySoundLevel();		/* internal game sound settings */
 }
 
 static void ReinitializeMusic()
@@ -277,9 +273,11 @@ static void ReinitializeMusic()
 static void InitImages()
 {
   ReloadCustomImages();
-  ReinitializeGraphics();
 
   LoadCustomElementDescriptions();
+  LoadSpecialMenuDesignSettings();
+
+  ReinitializeGraphics();
 }
 
 static void InitSound()
@@ -470,9 +468,17 @@ void FreeTileClipmasks()
 
 void InitGfx()
 {
-#if 0
+  char *config_token_font_initial = "font.small";
+  char *filename_font_initial = NULL;
   int i;
-#endif
+
+  /* determine filename for initial font (for displaying startup messages) */
+  for (i=0; image_config[i].token != NULL; i++)
+    if (strcmp(image_config[i].token, config_token_font_initial) == 0)
+      filename_font_initial = image_config[i].value;
+
+  if (filename_font_initial == NULL)	/* should not happen */
+    Error(ERR_EXIT, "cannot get filename for '%s'", config_token_font_initial);
 
   /* initialize screen properties */
   InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
@@ -485,40 +491,15 @@ void InitGfx()
   bitmap_db_field = CreateBitmap(FXSIZE, FYSIZE, DEFAULT_DEPTH);
   bitmap_db_door  = CreateBitmap(3 * DXSIZE, DYSIZE + VYSIZE, DEFAULT_DEPTH);
 
-#if 0
-  pix[PIX_FONT_SMALL] = LoadCustomImage(image_filename[PIX_FONT_SMALL]);
-
-  InitFontInfo(NULL, NULL, pix[PIX_FONT_SMALL], NULL);
-#else
-  bitmap_font_initial = LoadCustomImage(image_filename[PIX_FONT_SMALL]);
+  bitmap_font_initial = LoadCustomImage(filename_font_initial);
 
   InitFontInfo(bitmap_font_initial, NULL, NULL, NULL, NULL);
-#endif
 
   DrawInitText(WINDOW_TITLE_STRING, 20, FC_YELLOW);
   DrawInitText(WINDOW_SUBTITLE_STRING, 50, FC_RED);
 
   DrawInitText("Loading graphics:", 120, FC_GREEN);
 
-#if 0
-  for (i=0; i<NUM_PICTURES; i++)
-  {
-#if 0
-    if (i != PIX_FONT_SMALL)
-#endif
-    {
-      DrawInitText(image_filename[i], 150, FC_YELLOW);
-
-      pix[i] = LoadCustomImage(image_filename[i]);
-    }
-  }
-#endif
-
-#if 0
-  InitFontInfo(pix[PIX_FONT_BIG], pix[PIX_FONT_MEDIUM], pix[PIX_FONT_SMALL],
-	       pix[PIX_FONT_EM]);
-#endif
-
   InitTileClipmasks();
 }
 
@@ -621,10 +602,7 @@ void ReloadCustomArtwork()
 
     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
 
-    ReloadCustomImages();
-    ReinitializeGraphics();
-
-    LoadCustomElementDescriptions();
+    InitImages();
 
     FreeTileClipmasks();
     InitTileClipmasks();
@@ -707,6 +685,25 @@ void InitGadgets()
   gadgets_initialized = TRUE;
 }
 
+void InitElementSmallImages()
+{
+  struct PropertyMapping *property_mapping = getImageListPropertyMapping();
+  int num_property_mappings = getImageListPropertyMappingSize();
+  int i;
+
+  /* initialize normal images from static configuration */
+  for (i=0; element_to_graphic[i].element > -1; i++)
+    CreateImageWithSmallImages(element_to_graphic[i].graphic);
+
+  /* initialize special images from static configuration */
+  for (i=0; element_to_special_graphic[i].element > -1; i++)
+    CreateImageWithSmallImages(element_to_special_graphic[i].graphic);
+
+  /* initialize images from dynamic configuration */
+  for (i=0; i < num_property_mappings; i++)
+    CreateImageWithSmallImages(property_mapping[i].artwork_index);
+}
+
 void InitElementGraphicInfo()
 {
   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
@@ -725,6 +722,7 @@ void InitElementGraphicInfo()
     }
   }
 
+#if 0
   for (i=EL_CHAR_START; i<=EL_CHAR_END; i++)
     element_info[i].graphic[ACTION_DEFAULT] =
       IMG_CHAR_START + (i - EL_CHAR_START);
@@ -732,8 +730,9 @@ void InitElementGraphicInfo()
   for (i=EL_CUSTOM_START; i<=EL_CUSTOM_END; i++)
     element_info[i].graphic[ACTION_DEFAULT] =
       IMG_CUSTOM_START + (i - EL_CUSTOM_START);
+#endif
 
-  /* initialize element/graphic mapping from static configuration */
+  /* initialize normal element/graphic mapping from static configuration */
   for (i=0; element_to_graphic[i].element > -1; i++)
   {
     int element   = element_to_graphic[i].element;
@@ -750,14 +749,18 @@ void InitElementGraphicInfo()
       element_info[element].graphic[action] = graphic;
   }
 
-  /* initialize element/graphic mapping from dynamic configuration */
+  /* initialize normal element/graphic mapping from dynamic configuration */
   for (i=0; i < num_property_mappings; i++)
   {
     int element   = property_mapping[i].base_index;
     int action    = property_mapping[i].ext1_index;
     int direction = property_mapping[i].ext2_index;
+    int special   = property_mapping[i].ext3_index;
     int graphic   = property_mapping[i].artwork_index;
 
+    if (special != -1)
+      continue;
+
     if (action < 0)
       action = ACTION_DEFAULT;
 
@@ -805,31 +808,121 @@ void InitElementGraphicInfo()
 	element_info[i].graphic[act] = default_action_graphic;
     }
   }
+
+#if 0
+#if DEBUG
+  if (options.verbose)
+  {
+    for (i=0; i<MAX_NUM_ELEMENTS; i++)
+      if (element_info[i].graphic[ACTION_DEFAULT] == IMG_CHAR_QUESTION &&
+	  i != EL_CHAR_QUESTION)
+	Error(ERR_RETURN, "warning: no graphic for element '%s' (%d)",
+	      element_info[i].token_name, i);
+  }
+#endif
+#endif
 }
 
-static void InitElementSoundInfo()
+void InitElementSpecialGraphicInfo()
 {
-  /* soon to come */
+  struct PropertyMapping *property_mapping = getImageListPropertyMapping();
+  int num_property_mappings = getImageListPropertyMappingSize();
+  int i;
+
+  /* always start with reliable default values */
+  for (i=0; i<MAX_NUM_ELEMENTS; i++)
+  {
+    element_info[i].editor_graphic = element_info[i].graphic[ACTION_DEFAULT];
+    element_info[i].preview_graphic = element_info[i].graphic[ACTION_DEFAULT];
+  }
+
+  /* initialize special element/graphic mapping from static configuration */
+  for (i=0; element_to_special_graphic[i].element > -1; i++)
+  {
+    int element = element_to_special_graphic[i].element;
+    int special = element_to_special_graphic[i].special;
+    int graphic = element_to_special_graphic[i].graphic;
+    boolean base_redefined = getImageListEntry(el2img(element))->redefined;
+    boolean special_redefined = getImageListEntry(graphic)->redefined;
+
+    if (base_redefined && !special_redefined)
+      continue;
+
+    if (special == GFX_SPECIAL_ARG_EDITOR)
+      element_info[element].editor_graphic = graphic;
+    else if (special == GFX_SPECIAL_ARG_PREVIEW)
+      element_info[element].preview_graphic = graphic;
+  }
+
+  /* initialize special element/graphic mapping from dynamic configuration */
+  for (i=0; i < num_property_mappings; i++)
+  {
+    int element = property_mapping[i].base_index;
+    int special = property_mapping[i].ext3_index;
+    int graphic = property_mapping[i].artwork_index;
+
+    if (special == GFX_SPECIAL_ARG_EDITOR)
+      element_info[element].editor_graphic = graphic;
+    else if (special == GFX_SPECIAL_ARG_PREVIEW)
+      element_info[element].preview_graphic = graphic;
+  }
 }
 
-static void set_graphic_parameters(int graphic, int *parameter)
+static void set_graphic_parameters(int graphic, char **parameter_raw)
 {
   Bitmap *src_bitmap = getBitmapFromImageID(graphic);
   int num_xtiles = (src_bitmap ? src_bitmap->width          : TILEX) / TILEX;
   int num_ytiles = (src_bitmap ? src_bitmap->height * 2 / 3 : TILEY) / TILEY;
+  int parameter[NUM_GFX_ARGS];
+  int i;
 
-  graphic_info[graphic].bitmap = src_bitmap;
+  /* get integer values from string parameters */
+  for (i=0; i < NUM_GFX_ARGS; i++)
+    parameter[i] =
+      get_parameter_value(image_config_suffix[i].type, parameter_raw[i]);
 
-  graphic_info[graphic].src_x = parameter[GFX_ARG_XPOS] * TILEX;
-  graphic_info[graphic].src_y = parameter[GFX_ARG_YPOS] * TILEY;
-  graphic_info[graphic].offset_x = parameter[GFX_ARG_OFFSET];
-  graphic_info[graphic].offset_y = 0;
+  graphic_info[graphic].bitmap = src_bitmap;
 
-  /* animation frames are ordered vertically instead of horizontally */
-  if (parameter[GFX_ARG_VERTICAL])
+  /* start with reliable default values */
+  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].offset_x = 0;	/* one or both of these values ... */
+  graphic_info[graphic].offset_y = 0;	/* ... will be corrected later */
+
+  /* optional x and y tile position of animation frame sequence */
+  if (parameter[GFX_ARG_XPOS] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].src_x = parameter[GFX_ARG_XPOS] * TILEX;
+  if (parameter[GFX_ARG_YPOS] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].src_y = parameter[GFX_ARG_YPOS] * TILEY;
+
+  /* optional x and y pixel position of animation frame sequence */
+  if (parameter[GFX_ARG_X] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].src_x = parameter[GFX_ARG_X];
+  if (parameter[GFX_ARG_Y] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].src_y = parameter[GFX_ARG_Y];
+
+  /* optional width and height of each animation frame */
+  if (parameter[GFX_ARG_WIDTH] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].width = parameter[GFX_ARG_WIDTH];
+  if (parameter[GFX_ARG_HEIGHT] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].height = parameter[GFX_ARG_HEIGHT];
+
+  /* correct x or y offset dependant of vertical or horizontal frame order */
+  if (parameter[GFX_ARG_VERTICAL])	/* frames are ordered vertically */
+  {
+    if (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE)
+      graphic_info[graphic].offset_y = parameter[GFX_ARG_OFFSET];
+    else
+      graphic_info[graphic].offset_y = graphic_info[graphic].height;
+  }
+  else					/* frames are ordered horizontally */
   {
-    graphic_info[graphic].offset_x = 0;
-    graphic_info[graphic].offset_y = parameter[GFX_ARG_OFFSET];
+    if (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE)
+      graphic_info[graphic].offset_x = parameter[GFX_ARG_OFFSET];
+    else
+      graphic_info[graphic].offset_x = graphic_info[graphic].width;
   }
 
   /* optionally, the x and y offset of frames can be specified directly */
@@ -883,14 +976,22 @@ static void set_graphic_parameters(int graphic, int *parameter)
 
   /* animation synchronized with global frame counter, not move position */
   graphic_info[graphic].anim_global_sync = parameter[GFX_ARG_GLOBAL_SYNC];
+
+  /* this is only used for toon animations */
+  graphic_info[graphic].step_offset = parameter[GFX_ARG_STEP_OFFSET];
+  graphic_info[graphic].step_delay  = parameter[GFX_ARG_STEP_DELAY];
 }
 
 static void InitGraphicInfo()
 {
-  static boolean clipmasks_initialized = FALSE;
+  int fallback_graphic = IMG_CHAR_EXCLAM;
+  struct FileInfo *fallback_image = getImageListEntry(fallback_graphic);
+  Bitmap *fallback_bitmap = getBitmapFromImageID(fallback_graphic);
   int num_images = getImageListSize();
   int i;
+
 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
+  static boolean clipmasks_initialized = FALSE;
   Pixmap src_pixmap;
   XGCValues clip_gc_values;
   unsigned long clip_gc_valuemask;
@@ -950,9 +1051,15 @@ static void InitGraphicInfo()
 	    "error: first animation frame out of bounds (%d, %d)",
 	    src_x, src_y);
       Error(ERR_RETURN, "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, "-");
 
-      set_graphic_parameters(i, image->default_parameter);
+      set_graphic_parameters(i, fallback_image->default_parameter);
+      graphic_info[i].bitmap = fallback_bitmap;
     }
 
     last_frame = graphic_info[i].anim_frames - 1;
@@ -973,9 +1080,15 @@ static void InitGraphicInfo()
 	    "error: last animation frame (%d) out of bounds (%d, %d)",
 	    last_frame, src_x, src_y);
       Error(ERR_RETURN, "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, "-");
 
-      set_graphic_parameters(i, image->default_parameter);
+      set_graphic_parameters(i, fallback_image->default_parameter);
+      graphic_info[i].bitmap = fallback_bitmap;
     }
 
 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
@@ -1000,6 +1113,7 @@ static void InitGraphicInfo()
     clip_gc_values.graphics_exposures = False;
     clip_gc_values.clip_mask = graphic_info[i].clip_mask;
     clip_gc_valuemask = GCGraphicsExposures | GCClipMask;
+
     graphic_info[i].clip_gc =
       XCreateGC(display, window->drawable, clip_gc_valuemask, &clip_gc_values);
 #endif
@@ -1008,13 +1122,26 @@ static void InitGraphicInfo()
 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
   if (copy_clipmask_gc)
     XFreeGC(display, copy_clipmask_gc);
-#endif
 
   clipmasks_initialized = TRUE;
+#endif
 }
 
-static void set_sound_parameters(int sound, int *parameter)
+static void InitElementSoundInfo()
 {
+  /* !!! soon to come !!! */
+}
+
+static void set_sound_parameters(int sound, char **parameter_raw)
+{
+  int parameter[NUM_SND_ARGS];
+  int i;
+
+  /* get integer values from string parameters */
+  for (i=0; i < NUM_SND_ARGS; i++)
+    parameter[i] =
+      get_parameter_value(sound_config_suffix[i].type, parameter_raw[i]);
+
   /* explicit loop mode setting in configuration overrides default value */
   if (parameter[SND_ARG_MODE_LOOP] != ARG_UNDEFINED_VALUE)
     sound_info[sound].loop = parameter[SND_ARG_MODE_LOOP];
@@ -1022,6 +1149,8 @@ static void set_sound_parameters(int sound, int *parameter)
 
 static void InitSoundInfo()
 {
+  struct PropertyMapping *property_mapping = getSoundListPropertyMapping();
+  int num_property_mappings = getSoundListPropertyMappingSize();
   int *sound_effect_properties;
   int num_sounds = getSoundListSize();
   int i, j;
@@ -1087,6 +1216,37 @@ static void InitSoundInfo()
 
   free(sound_effect_properties);
 
+  /* initialize element/sound mapping from dynamic configuration */
+  for (i=0; i < num_property_mappings; i++)
+  {
+    int element   = property_mapping[i].base_index;
+    int action    = property_mapping[i].ext1_index;
+    int sound     = property_mapping[i].artwork_index;
+
+    if (action < 0)
+      action = ACTION_DEFAULT;
+
+    element_info[element].sound[action] = sound;
+  }
+
+#if 0
+  /* TEST ONLY */
+  {
+    int element = EL_CUSTOM_11;
+    int j = 0;
+
+    while (element_action_info[j].suffix)
+    {
+      printf("element %d, sound action '%s'  == %d\n",
+	     element, element_action_info[j].suffix,
+	     element_info[element].sound[j]);
+      j++;
+    }
+  }
+
+  PlaySoundLevelElementAction(0,0, EL_CUSTOM_11, ACTION_PUSHING);
+#endif
+
 #if 0
   /* TEST ONLY */
   {
@@ -1099,7 +1259,7 @@ static void InitSoundInfo()
       if (element_action_info[j].value == sound_action)
 	printf("element %d, sound action '%s'  == %d\n",
 	       element, element_action_info[j].suffix,
-	       element_info_[element].sound[sound_action]);
+	       element_info[element].sound[sound_action]);
       j++;
     }
   }
@@ -1184,7 +1344,6 @@ void InitElementProperties()
 
   static int ep_solid[] =
   {
-    EL_STEELWALL,
     EL_WALL,
     EL_WALL_GROWING,
     EL_WALL_GROWING_X,
@@ -1218,16 +1377,43 @@ void InitElementProperties()
     EL_BD_MAGIC_WALL_DEAD,
     EL_GAMEOFLIFE,
     EL_BIOMAZE,
-    EL_ACIDPOOL_TOPLEFT,
-    EL_ACIDPOOL_TOPRIGHT,
-    EL_ACIDPOOL_BOTTOMLEFT,
-    EL_ACIDPOOL_BOTTOM,
-    EL_ACIDPOOL_BOTTOMRIGHT,
     EL_SP_CHIP_SINGLE,
     EL_SP_CHIP_LEFT,
     EL_SP_CHIP_RIGHT,
     EL_SP_CHIP_UPPER,
     EL_SP_CHIP_LOWER,
+    EL_SP_TERMINAL,
+    EL_SP_TERMINAL_ACTIVE,
+    EL_SP_EXIT_CLOSED,
+    EL_SP_EXIT_OPEN,
+    EL_INVISIBLE_WALL,
+    EL_INVISIBLE_WALL_ACTIVE,
+    EL_SWITCHGATE_SWITCH_UP,
+    EL_SWITCHGATE_SWITCH_DOWN,
+    EL_TIMEGATE_SWITCH,
+    EL_TIMEGATE_SWITCH_ACTIVE,
+    EL_EMC_WALL_PILLAR_UPPER,
+    EL_EMC_WALL_PILLAR_MIDDLE,
+    EL_EMC_WALL_PILLAR_LOWER,
+    EL_EMC_WALL4,
+    EL_EMC_WALL5,
+    EL_EMC_WALL6,
+    EL_EMC_WALL7,
+    EL_EMC_WALL8,
+    EL_WALL_PEARL,
+    EL_WALL_CRYSTAL,
+
+    /* the following elements are a direct copy of "indestructible" elements,
+       except "EL_ACID", which is "indestructible", but not "solid"! */
+#if 0
+    EL_ACID,
+#endif
+    EL_STEELWALL,
+    EL_ACIDPOOL_TOPLEFT,
+    EL_ACIDPOOL_TOPRIGHT,
+    EL_ACIDPOOL_BOTTOMLEFT,
+    EL_ACIDPOOL_BOTTOM,
+    EL_ACIDPOOL_BOTTOMRIGHT,
     EL_SP_HARD_GRAY,
     EL_SP_HARD_GREEN,
     EL_SP_HARD_BLUE,
@@ -1239,14 +1425,8 @@ void InitElementProperties()
     EL_SP_HARD_BASE4,
     EL_SP_HARD_BASE5,
     EL_SP_HARD_BASE6,
-    EL_SP_TERMINAL,
-    EL_SP_TERMINAL_ACTIVE,
-    EL_SP_EXIT_CLOSED,
-    EL_SP_EXIT_OPEN,
     EL_INVISIBLE_STEELWALL,
     EL_INVISIBLE_STEELWALL_ACTIVE,
-    EL_INVISIBLE_WALL,
-    EL_INVISIBLE_WALL_ACTIVE,
     EL_CONVEYOR_BELT1_SWITCH_LEFT,
     EL_CONVEYOR_BELT1_SWITCH_MIDDLE,
     EL_CONVEYOR_BELT1_SWITCH_RIGHT,
@@ -1259,12 +1439,8 @@ void InitElementProperties()
     EL_CONVEYOR_BELT4_SWITCH_LEFT,
     EL_CONVEYOR_BELT4_SWITCH_MIDDLE,
     EL_CONVEYOR_BELT4_SWITCH_RIGHT,
-    EL_SWITCHGATE_SWITCH_UP,
-    EL_SWITCHGATE_SWITCH_DOWN,
     EL_LIGHT_SWITCH,
     EL_LIGHT_SWITCH_ACTIVE,
-    EL_TIMEGATE_SWITCH,
-    EL_TIMEGATE_SWITCH_ACTIVE,
     EL_SIGN_EXCLAMATION,
     EL_SIGN_RADIOACTIVITY,
     EL_SIGN_STOP,
@@ -1282,17 +1458,7 @@ void InitElementProperties()
     EL_EMC_STEELWALL2,
     EL_EMC_STEELWALL3,
     EL_EMC_STEELWALL4,
-    EL_EMC_WALL_PILLAR_UPPER,
-    EL_EMC_WALL_PILLAR_MIDDLE,
-    EL_EMC_WALL_PILLAR_LOWER,
-    EL_EMC_WALL4,
-    EL_EMC_WALL5,
-    EL_EMC_WALL6,
-    EL_EMC_WALL7,
-    EL_EMC_WALL8,
     EL_CRYSTAL,
-    EL_WALL_PEARL,
-    EL_WALL_CRYSTAL,
     EL_GATE1,
     EL_GATE2,
     EL_GATE3,
@@ -1331,7 +1497,7 @@ void InitElementProperties()
   };
   static int ep_solid_num = SIZEOF_ARRAY_INT(ep_solid);
 
-  static int ep_massive[] =
+  static int ep_indestructible[] =
   {
     EL_STEELWALL,
     EL_ACID,
@@ -1421,7 +1587,7 @@ void InitElementProperties()
     EL_TUBE_RIGHT_UP,
     EL_TUBE_RIGHT_DOWN
   };
-  static int ep_massive_num = SIZEOF_ARRAY_INT(ep_massive);
+  static int ep_indestructible_num = SIZEOF_ARRAY_INT(ep_indestructible);
 
   static int ep_slippery[] =
   {
@@ -1583,14 +1749,6 @@ void InitElementProperties()
     EL_EMERALD_RED,
     EL_EMERALD_PURPLE,
     EL_DIAMOND,
-    EL_KEY1,
-    EL_KEY2,
-    EL_KEY3,
-    EL_KEY4,
-    EL_EM_KEY1,
-    EL_EM_KEY2,
-    EL_EM_KEY3,
-    EL_EM_KEY4,
     EL_BOMB,
     EL_NUT,
     EL_AMOEBA_DROP,
@@ -2187,7 +2345,7 @@ void InitElementProperties()
     EP_BIT_SCHLUESSEL,
     EP_BIT_PFORTE,
     EP_BIT_SOLID,
-    EP_BIT_MASSIVE,
+    EP_BIT_INDESTRUCTIBLE,
     EP_BIT_SLIPPERY,
     EP_BIT_ENEMY,
     EP_BIT_MAUER,
@@ -2228,7 +2386,7 @@ void InitElementProperties()
     ep_schluessel,
     ep_pforte,
     ep_solid,
-    ep_massive,
+    ep_indestructible,
     ep_slippery,
     ep_enemy,
     ep_mauer,
@@ -2269,7 +2427,7 @@ void InitElementProperties()
     &ep_schluessel_num,
     &ep_pforte_num,
     &ep_solid_num,
-    &ep_massive_num,
+    &ep_indestructible_num,
     &ep_slippery_num,
     &ep_enemy_num,
     &ep_mauer_num,