+static void ReinitializeGraphics()
+{
+ print_timestamp_init("ReinitializeGraphics");
+
+ InitGfxTileSizeInfo(game.tile_size, TILESIZE);
+
+ InitGraphicInfo(); /* graphic properties mapping */
+ print_timestamp_time("InitGraphicInfo");
+ InitElementGraphicInfo(); /* element game graphic mapping */
+ print_timestamp_time("InitElementGraphicInfo");
+ InitElementSpecialGraphicInfo(); /* element special graphic mapping */
+ print_timestamp_time("InitElementSpecialGraphicInfo");
+
+ InitElementSmallImages(); /* scale elements to all needed sizes */
+ print_timestamp_time("InitElementSmallImages");
+ InitScaledImages(); /* scale all other images, if needed */
+ print_timestamp_time("InitScaledImages");
+ InitBitmapPointers(); /* set standard size bitmap pointers */
+ print_timestamp_time("InitBitmapPointers");
+ InitFontGraphicInfo(); /* initialize text drawing functions */
+ print_timestamp_time("InitFontGraphicInfo");
+ InitGlobalAnimGraphicInfo(); /* initialize global animation config */
+ print_timestamp_time("InitGlobalAnimGraphicInfo");
+
+ InitImageTextures(); /* create textures for certain images */
+ print_timestamp_time("InitImageTextures");
+
+ InitGraphicInfo_EM(); /* graphic mapping for EM engine */
+ print_timestamp_time("InitGraphicInfo_EM");
+
+ InitGraphicCompatibilityInfo();
+ print_timestamp_time("InitGraphicCompatibilityInfo");
+
+ SetMainBackgroundImage(IMG_BACKGROUND);
+ print_timestamp_time("SetMainBackgroundImage");
+ SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
+ print_timestamp_time("SetDoorBackgroundImage");
+
+ InitGadgets();
+ print_timestamp_time("InitGadgets");
+ InitToons();
+ print_timestamp_time("InitToons");
+ InitDoors();
+ print_timestamp_time("InitDoors");
+
+ print_timestamp_done("ReinitializeGraphics");
+}
+
+static void ReinitializeSounds()
+{
+ InitSoundInfo(); /* sound properties mapping */
+ InitElementSoundInfo(); /* element game sound mapping */
+ InitGameModeSoundInfo(); /* game mode sound mapping */
+
+ InitPlayLevelSound(); /* internal game sound settings */
+}
+
+static void ReinitializeMusic()
+{
+ InitMusicInfo(); /* music properties mapping */
+ InitGameModeMusicInfo(); /* game mode music mapping */
+}
+
+static int get_special_property_bit(int element, int property_bit_nr)
+{
+ struct PropertyBitInfo
+ {
+ int element;
+ int bit_nr;
+ };
+
+ static struct PropertyBitInfo pb_can_move_into_acid[] =
+ {
+ /* the player may be able fall into acid when gravity is activated */
+ { EL_PLAYER_1, 0 },
+ { EL_PLAYER_2, 0 },
+ { EL_PLAYER_3, 0 },
+ { EL_PLAYER_4, 0 },
+ { EL_SP_MURPHY, 0 },
+ { EL_SOKOBAN_FIELD_PLAYER, 0 },
+
+ /* all elements that can move may be able to also move into acid */
+ { EL_BUG, 1 },
+ { EL_BUG_LEFT, 1 },
+ { EL_BUG_RIGHT, 1 },
+ { EL_BUG_UP, 1 },
+ { EL_BUG_DOWN, 1 },
+ { EL_SPACESHIP, 2 },
+ { EL_SPACESHIP_LEFT, 2 },
+ { EL_SPACESHIP_RIGHT, 2 },
+ { EL_SPACESHIP_UP, 2 },
+ { EL_SPACESHIP_DOWN, 2 },
+ { EL_BD_BUTTERFLY, 3 },
+ { EL_BD_BUTTERFLY_LEFT, 3 },
+ { EL_BD_BUTTERFLY_RIGHT, 3 },
+ { EL_BD_BUTTERFLY_UP, 3 },
+ { EL_BD_BUTTERFLY_DOWN, 3 },
+ { EL_BD_FIREFLY, 4 },
+ { EL_BD_FIREFLY_LEFT, 4 },
+ { EL_BD_FIREFLY_RIGHT, 4 },
+ { EL_BD_FIREFLY_UP, 4 },
+ { EL_BD_FIREFLY_DOWN, 4 },
+ { EL_YAMYAM, 5 },
+ { EL_YAMYAM_LEFT, 5 },
+ { EL_YAMYAM_RIGHT, 5 },
+ { EL_YAMYAM_UP, 5 },
+ { EL_YAMYAM_DOWN, 5 },
+ { EL_DARK_YAMYAM, 6 },
+ { EL_ROBOT, 7 },
+ { EL_PACMAN, 8 },
+ { EL_PACMAN_LEFT, 8 },
+ { EL_PACMAN_RIGHT, 8 },
+ { EL_PACMAN_UP, 8 },
+ { EL_PACMAN_DOWN, 8 },
+ { EL_MOLE, 9 },
+ { EL_MOLE_LEFT, 9 },
+ { EL_MOLE_RIGHT, 9 },
+ { EL_MOLE_UP, 9 },
+ { EL_MOLE_DOWN, 9 },
+ { EL_PENGUIN, 10 },
+ { EL_PIG, 11 },
+ { EL_DRAGON, 12 },
+ { EL_SATELLITE, 13 },
+ { EL_SP_SNIKSNAK, 14 },
+ { EL_SP_ELECTRON, 15 },
+ { EL_BALLOON, 16 },
+ { EL_SPRING, 17 },
+ { EL_EMC_ANDROID, 18 },
+
+ { -1, -1 },
+ };
+
+ static struct PropertyBitInfo pb_dont_collide_with[] =
+ {
+ { EL_SP_SNIKSNAK, 0 },
+ { EL_SP_ELECTRON, 1 },
+
+ { -1, -1 },
+ };
+
+ static struct
+ {
+ int bit_nr;
+ struct PropertyBitInfo *pb_info;
+ } pb_definition[] =
+ {
+ { EP_CAN_MOVE_INTO_ACID, pb_can_move_into_acid },
+ { EP_DONT_COLLIDE_WITH, pb_dont_collide_with },
+
+ { -1, NULL },
+ };
+
+ struct PropertyBitInfo *pb_info = NULL;
+ int i;
+
+ for (i = 0; pb_definition[i].bit_nr != -1; i++)
+ if (pb_definition[i].bit_nr == property_bit_nr)
+ pb_info = pb_definition[i].pb_info;
+
+ if (pb_info == NULL)
+ return -1;
+
+ for (i = 0; pb_info[i].element != -1; i++)
+ if (pb_info[i].element == element)
+ return pb_info[i].bit_nr;
+
+ return -1;
+}
+
+void setBitfieldProperty(int *bitfield, int property_bit_nr, int element,
+ boolean property_value)
+{
+ int bit_nr = get_special_property_bit(element, property_bit_nr);
+
+ if (bit_nr > -1)
+ {
+ if (property_value)
+ *bitfield |= (1 << bit_nr);
+ else
+ *bitfield &= ~(1 << bit_nr);
+ }
+}
+
+boolean getBitfieldProperty(int *bitfield, int property_bit_nr, int element)
+{
+ int bit_nr = get_special_property_bit(element, property_bit_nr);
+
+ if (bit_nr > -1)
+ return ((*bitfield & (1 << bit_nr)) != 0);
+
+ return FALSE;
+}
+
+static void ResolveGroupElementExt(int group_element, int recursion_depth)
+{
+ static int group_nr;
+ static struct ElementGroupInfo *group;
+ struct ElementGroupInfo *actual_group = element_info[group_element].group;
+ int i;
+
+ if (actual_group == NULL) /* not yet initialized */
+ return;