#define IMG_SP_EMPTY IMG_SP_EMPTY_SPACE
#define IMG_EXPLOSION IMG_DEFAULT_EXPLODING
#define IMG_CHAR_START IMG_CHAR_SPACE
-#define IMG_STEELCHAR_START IMG_STEELCHAR_SPACE
+#define IMG_STEEL_CHAR_START IMG_STEEL_CHAR_SPACE
#define IMG_CUSTOM_START IMG_CUSTOM_1
#define SND_UNDEFINED (-1)
#define SCREENY(a) ((a) - scroll_y)
#define LEVELX(a) ((a) + scroll_x)
#define LEVELY(a) ((a) + scroll_y)
-#define IN_VIS_FIELD(x,y) ((x)>=0 && (x)<SCR_FIELDX && (y)>=0 &&(y)<SCR_FIELDY)
-#define IN_SCR_FIELD(x,y) ((x)>=BX1 && (x)<=BX2 && (y)>=BY1 &&(y)<=BY2)
-#define IN_LEV_FIELD(x,y) ((x)>=0 && (x)<lev_fieldx && (y)>=0 &&(y)<lev_fieldy)
+
+#define IN_FIELD(x, y, xsize, ysize) ((x) >= 0 && (x) < (xsize) && \
+ (y) >= 0 && (y) < (ysize))
+#define IN_FIELD_MINMAX(x, y, xmin, ymin, xmax, ymax) \
+ ((x) >= (xmin) && (x) <= (xmax) && \
+ (y) >= (ymin) && (y) <= (ymax))
+
+#define IN_VIS_FIELD(x, y) IN_FIELD(x, y, SCR_FIELDX, SCR_FIELDY)
+#define IN_LEV_FIELD(x, y) IN_FIELD(x, y, lev_fieldx, lev_fieldy)
+#define IN_SCR_FIELD(x, y) IN_FIELD_MINMAX(x,y, BX1,BY1, BX2,BY2)
/* values for configurable properties (custom elem's only, else pre-defined) */
#define EP_DIGGABLE 0
#define EL_NEXT_CE_8 730
#define EL_ANY_ELEMENT 731
-#define EL_STEELCHAR_START 732
-#define EL_STEELCHAR_ASCII0 (EL_STEELCHAR_START - 32)
-#define EL_STEELCHAR_ASCII0_START (EL_STEELCHAR_ASCII0 + 32)
+#define EL_STEEL_CHAR_START 732
+#define EL_STEEL_CHAR_ASCII0 (EL_STEEL_CHAR_START - 32)
+#define EL_STEEL_CHAR_ASCII0_START (EL_STEEL_CHAR_ASCII0 + 32)
/* (auto-generated data structure definitions included with normal chars) */
-#define EL_STEELCHAR_ASCII0_END (EL_STEELCHAR_ASCII0 + 111)
-#define EL_STEELCHAR_END (EL_STEELCHAR_START + 79)
+#define EL_STEEL_CHAR_ASCII0_END (EL_STEEL_CHAR_ASCII0 + 111)
+#define EL_STEEL_CHAR_END (EL_STEEL_CHAR_START + 79)
-#define EL_STEELCHAR(c) (EL_STEELCHAR_ASCII0 +MAP_FONT_ASCII(c))
+#define EL_STEEL_CHAR(c) (EL_STEEL_CHAR_ASCII0+MAP_FONT_ASCII(c))
#define EL_SPERMS 812
#define EL_BULLET 813
#define EL_STEEL_EXIT_CLOSED 822
#define EL_STEEL_EXIT_OPEN 823
-#define NUM_FILE_ELEMENTS 824
+#define EL_DC_STEELWALL_1_LEFT 824
+#define EL_DC_STEELWALL_1_RIGHT 825
+#define EL_DC_STEELWALL_1_TOP 826
+#define EL_DC_STEELWALL_1_BOTTOM 827
+#define EL_DC_STEELWALL_1_HORIZONTAL 828
+#define EL_DC_STEELWALL_1_VERTICAL 829
+#define EL_DC_STEELWALL_1_TOPLEFT 830
+#define EL_DC_STEELWALL_1_TOPRIGHT 831
+#define EL_DC_STEELWALL_1_BOTTOMLEFT 832
+#define EL_DC_STEELWALL_1_BOTTOMRIGHT 833
+#define EL_DC_STEELWALL_1_TOPLEFT_2 834
+#define EL_DC_STEELWALL_1_TOPRIGHT_2 835
+#define EL_DC_STEELWALL_1_BOTTOMLEFT_2 836
+#define EL_DC_STEELWALL_1_BOTTOMRIGHT_2 837
+
+#define EL_DC_STEELWALL_2_LEFT 838
+#define EL_DC_STEELWALL_2_RIGHT 839
+#define EL_DC_STEELWALL_2_TOP 840
+#define EL_DC_STEELWALL_2_BOTTOM 841
+#define EL_DC_STEELWALL_2_HORIZONTAL 842
+#define EL_DC_STEELWALL_2_VERTICAL 843
+#define EL_DC_STEELWALL_2_MIDDLE 844
+#define EL_DC_STEELWALL_2_SINGLE 845
+
+#define EL_DC_SWITCHGATE_SWITCH_UP 846
+#define EL_DC_SWITCHGATE_SWITCH_DOWN 847
+#define EL_DC_TIMEGATE_SWITCH 848
+#define EL_DC_TIMEGATE_SWITCH_ACTIVE 849
+
+#define EL_DC_LANDMINE 850
+
+#define EL_EXPANDABLE_STEELWALL 851
+#define EL_EXPANDABLE_STEELWALL_HORIZONTAL 852
+#define EL_EXPANDABLE_STEELWALL_VERTICAL 853
+#define EL_EXPANDABLE_STEELWALL_ANY 854
+
+#define NUM_FILE_ELEMENTS 855
/* "real" (and therefore drawable) runtime elements */
#define EL_AMOEBA_GROWING (EL_FIRST_RUNTIME_UNREAL + 6)
#define EL_AMOEBA_SHRINKING (EL_FIRST_RUNTIME_UNREAL + 7)
#define EL_EXPANDABLE_WALL_GROWING (EL_FIRST_RUNTIME_UNREAL + 8)
-#define EL_FLAMES (EL_FIRST_RUNTIME_UNREAL + 9)
-#define EL_PLAYER_IS_LEAVING (EL_FIRST_RUNTIME_UNREAL + 10)
-#define EL_PLAYER_IS_EXPLODING_1 (EL_FIRST_RUNTIME_UNREAL + 11)
-#define EL_PLAYER_IS_EXPLODING_2 (EL_FIRST_RUNTIME_UNREAL + 12)
-#define EL_PLAYER_IS_EXPLODING_3 (EL_FIRST_RUNTIME_UNREAL + 13)
-#define EL_PLAYER_IS_EXPLODING_4 (EL_FIRST_RUNTIME_UNREAL + 14)
-#define EL_QUICKSAND_FILLING (EL_FIRST_RUNTIME_UNREAL + 15)
-#define EL_MAGIC_WALL_FILLING (EL_FIRST_RUNTIME_UNREAL + 16)
-#define EL_BD_MAGIC_WALL_FILLING (EL_FIRST_RUNTIME_UNREAL + 17)
-#define EL_ELEMENT_SNAPPING (EL_FIRST_RUNTIME_UNREAL + 18)
-#define EL_DIAGONAL_SHRINKING (EL_FIRST_RUNTIME_UNREAL + 19)
-#define EL_DIAGONAL_GROWING (EL_FIRST_RUNTIME_UNREAL + 20)
-
-#define NUM_RUNTIME_ELEMENTS (EL_FIRST_RUNTIME_UNREAL + 21)
+#define EL_EXPANDABLE_STEELWALL_GROWING (EL_FIRST_RUNTIME_UNREAL + 9)
+#define EL_FLAMES (EL_FIRST_RUNTIME_UNREAL + 10)
+#define EL_PLAYER_IS_LEAVING (EL_FIRST_RUNTIME_UNREAL + 11)
+#define EL_PLAYER_IS_EXPLODING_1 (EL_FIRST_RUNTIME_UNREAL + 12)
+#define EL_PLAYER_IS_EXPLODING_2 (EL_FIRST_RUNTIME_UNREAL + 13)
+#define EL_PLAYER_IS_EXPLODING_3 (EL_FIRST_RUNTIME_UNREAL + 14)
+#define EL_PLAYER_IS_EXPLODING_4 (EL_FIRST_RUNTIME_UNREAL + 15)
+#define EL_QUICKSAND_FILLING (EL_FIRST_RUNTIME_UNREAL + 16)
+#define EL_MAGIC_WALL_FILLING (EL_FIRST_RUNTIME_UNREAL + 17)
+#define EL_BD_MAGIC_WALL_FILLING (EL_FIRST_RUNTIME_UNREAL + 18)
+#define EL_ELEMENT_SNAPPING (EL_FIRST_RUNTIME_UNREAL + 19)
+#define EL_DIAGONAL_SHRINKING (EL_FIRST_RUNTIME_UNREAL + 20)
+#define EL_DIAGONAL_GROWING (EL_FIRST_RUNTIME_UNREAL + 21)
+
+#define NUM_RUNTIME_ELEMENTS (EL_FIRST_RUNTIME_UNREAL + 22)
/* dummy elements (never used as game elements, only used as graphics) */
#define EL_FIRST_DUMMY NUM_RUNTIME_ELEMENTS
#define EL_INTERNAL_CASCADE_DX_ACTIVE (EL_FIRST_INTERNAL + 19)
#define EL_INTERNAL_CASCADE_CHARS (EL_FIRST_INTERNAL + 20)
#define EL_INTERNAL_CASCADE_CHARS_ACTIVE (EL_FIRST_INTERNAL + 21)
-#define EL_INTERNAL_CASCADE_STEELCHARS (EL_FIRST_INTERNAL + 22)
-#define EL_INTERNAL_CASCADE_STEELCHARS_ACTIVE (EL_FIRST_INTERNAL + 23)
+#define EL_INTERNAL_CASCADE_STEEL_CHARS (EL_FIRST_INTERNAL + 22)
+#define EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE (EL_FIRST_INTERNAL + 23)
#define EL_INTERNAL_CASCADE_CE (EL_FIRST_INTERNAL + 24)
#define EL_INTERNAL_CASCADE_CE_ACTIVE (EL_FIRST_INTERNAL + 25)
#define EL_INTERNAL_CASCADE_GE (EL_FIRST_INTERNAL + 26)