+#include <unistd.h>
+#include <fcntl.h>
+
+#include "libgame/libgame.h"
+
+#include "conf_gfx.h" /* include auto-generated data structure definitions */
+#include "conf_snd.h" /* include auto-generated data structure definitions */
+
+#define IMG_UNDEFINED (-1)
+#define IMG_EMPTY IMG_EMPTY_SPACE
+#define IMG_SP_EMPTY IMG_SP_EMPTY_SPACE
+#define IMG_EXPLOSION IMG_DEFAULT_EXPLODING
+#define IMG_CHAR_START IMG_CHAR_SPACE
+#define IMG_CUSTOM_START IMG_CUSTOM_1
+
+#define SND_UNDEFINED (-1)
+
+#define WIN_XSIZE 672
+#define WIN_YSIZE 560
+
+#define SCR_FIELDX 17
+#define SCR_FIELDY 17
+#define MAX_BUF_XSIZE (SCR_FIELDX + 2)
+#define MAX_BUF_YSIZE (SCR_FIELDY + 2)
+#define MIN_LEV_FIELDX 3
+#define MIN_LEV_FIELDY 3
+#define STD_LEV_FIELDX 64
+#define STD_LEV_FIELDY 32
+#define MAX_LEV_FIELDX 128
+#define MAX_LEV_FIELDY 128
+
+#define SCREENX(a) ((a) - scroll_x)
+#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)
+
+/* values for configurable properties (custom elem's only, else pre-defined) */
+#define EP_DIGGABLE 0
+#define EP_COLLECTIBLE_ONLY 1
+#define EP_DONT_RUN_INTO 2
+#define EP_DONT_COLLIDE_WITH 3
+#define EP_DONT_TOUCH 4
+#define EP_INDESTRUCTIBLE 5
+#define EP_SLIPPERY 6
+#define EP_CAN_CHANGE 7
+#define EP_CAN_MOVE 8
+#define EP_CAN_FALL 9
+#define EP_CAN_SMASH_PLAYER 10
+#define EP_CAN_SMASH_ENEMIES 11
+#define EP_CAN_SMASH_EVERYTHING 12
+#define EP_CAN_EXPLODE_BY_FIRE 13
+#define EP_CAN_EXPLODE_SMASHED 14
+#define EP_CAN_EXPLODE_IMPACT 15
+#define EP_WALKABLE_OVER 16
+#define EP_WALKABLE_INSIDE 17
+#define EP_WALKABLE_UNDER 18
+#define EP_PASSABLE_OVER 19
+#define EP_PASSABLE_INSIDE 20
+#define EP_PASSABLE_UNDER 21
+#define EP_DROPPABLE 22
+#define EP_CAN_EXPLODE_1X1 23
+#define EP_PUSHABLE 24
+
+/* values for special configurable properties (depending on level settings) */
+#define EP_EM_SLIPPERY_WALL 32
+
+/* values for special graphics properties (no effect on game engine) */
+#define EP_CAN_BE_CRUMBLED 33
+
+/* values for pre-defined properties */
+#define EP_PLAYER 34
+#define EP_CAN_PASS_MAGIC_WALL 35
+#define EP_SWITCHABLE 36
+#define EP_BD_ELEMENT 37
+#define EP_SP_ELEMENT 38
+#define EP_SB_ELEMENT 39
+#define EP_GEM 40
+#define EP_FOOD_DARK_YAMYAM 41
+#define EP_FOOD_PENGUIN 42
+#define EP_FOOD_PIG 43
+#define EP_HISTORIC_WALL 44
+#define EP_HISTORIC_SOLID 45
+#define EP_CLASSIC_ENEMY 46
+#define EP_BELT 47
+#define EP_BELT_ACTIVE 48
+#define EP_BELT_SWITCH 49
+#define EP_TUBE 50
+#define EP_KEYGATE 51
+#define EP_AMOEBOID 52
+#define EP_AMOEBALIVE 53
+#define EP_HAS_CONTENT 54
+#define EP_ACTIVE_BOMB 55
+#define EP_INACTIVE 56
+
+/* values for derived properties (determined from properties above) */
+#define EP_ACCESSIBLE_OVER 57
+#define EP_ACCESSIBLE_INSIDE 58
+#define EP_ACCESSIBLE_UNDER 59
+#define EP_WALKABLE 60
+#define EP_PASSABLE 61
+#define EP_ACCESSIBLE 62
+#define EP_COLLECTIBLE 63
+#define EP_SNAPPABLE 64
+#define EP_WALL 65
+#define EP_SOLID_FOR_PUSHING 66
+#define EP_DRAGONFIRE_PROOF 67
+#define EP_EXPLOSION_PROOF 68
+#define EP_CAN_SMASH 69
+#define EP_CAN_EXPLODE 70
+#define EP_CAN_EXPLODE_3X3 71
+
+/* values for internal purpose only (level editor) */
+#define EP_EXPLODE_RESULT 72
+#define EP_WALK_TO_OBJECT 73
+#define EP_DEADLY 74
+
+#define NUM_ELEMENT_PROPERTIES 75
+
+#define NUM_EP_BITFIELDS ((NUM_ELEMENT_PROPERTIES + 31) / 32)
+#define EP_BITFIELD_BASE 0
+
+#define EP_BITMASK_DEFAULT 0
+
+#define PROPERTY_BIT(p) (1 << ((p) % 32))
+#define PROPERTY_VAR(e,p) (Properties[e][(p) / 32])
+#define HAS_PROPERTY(e,p) ((PROPERTY_VAR(e, p) & PROPERTY_BIT(p)) != 0)
+#define SET_PROPERTY(e,p,v) ((v) ? \
+ (PROPERTY_VAR(e,p) |= PROPERTY_BIT(p)) : \
+ (PROPERTY_VAR(e,p) &= ~PROPERTY_BIT(p)))
+
+
+/* values for change events for custom elements (stored in level file) */
+#define CE_DELAY 0
+#define CE_TOUCHED_BY_PLAYER 1
+#define CE_PRESSED_BY_PLAYER 2
+#define CE_PUSHED_BY_PLAYER 3
+#define CE_DROPPED_BY_PLAYER 4
+#define CE_COLLISION 5
+#define CE_IMPACT 6
+#define CE_SMASHED 7
+#define CE_OTHER_IS_TOUCHING 8
+#define CE_OTHER_IS_CHANGING 9
+#define CE_OTHER_IS_EXPLODING 10
+#define CE_OTHER_GETS_TOUCHED 11
+#define CE_OTHER_GETS_PRESSED 12
+#define CE_OTHER_GETS_PUSHED 13
+#define CE_OTHER_GETS_COLLECTED 14
+#define CE_OTHER_GETS_DROPPED 15
+#define CE_BY_PLAYER 16 /* obsolete; map'd to CE_BY_DIRECT_ACTION */
+#define CE_BY_COLLISION 17 /* obsolete; map'd to CE_BY_DIRECT_ACTION */
+#define CE_BY_OTHER_ACTION 18 /* activates other element events */
+#define CE_BY_DIRECT_ACTION 19 /* activates direct element events */
+#define CE_OTHER_GETS_DIGGED 20
+
+#define NUM_CHANGE_EVENTS 21
+
+#define CE_BITMASK_DEFAULT 0
+
+#define CH_EVENT_BIT(c) (1 << (c))
+#define CH_EVENT_VAR(e) (element_info[e].change->events)
+#define CH_ANY_EVENT_VAR(e) (element_info[e].change_events)
+
+#define HAS_CHANGE_EVENT(e,c) (IS_CUSTOM_ELEMENT(e) && \
+ (CH_EVENT_VAR(e) & CH_EVENT_BIT(c)) != 0)
+#define HAS_ANY_CHANGE_EVENT(e,c) (IS_CUSTOM_ELEMENT(e) && \
+ (CH_ANY_EVENT_VAR(e) & CH_EVENT_BIT(c)) != 0)
+#define SET_CHANGE_EVENT(e,c,v) (IS_CUSTOM_ELEMENT(e) ? \
+ ((v) ? \
+ (CH_EVENT_VAR(e) |= CH_EVENT_BIT(c)) : \
+ (CH_EVENT_VAR(e) &= ~CH_EVENT_BIT(c))) : 0)
+
+/* values for change power for custom elements */
+#define CP_NON_DESTRUCTIVE 0
+#define CP_HALF_DESTRUCTIVE 1
+#define CP_FULL_DESTRUCTIVE 2
+
+/* values for special move patterns (bits 0-3: basic move directions) */
+#define MV_BIT_TOWARDS_PLAYER 4
+#define MV_BIT_AWAY_FROM_PLAYER 5
+#define MV_BIT_ALONG_LEFT_SIDE 6
+#define MV_BIT_ALONG_RIGHT_SIDE 7
+#define MV_BIT_TURNING_LEFT 8
+#define MV_BIT_TURNING_RIGHT 9
+
+/* values for special move patterns for custom elements */
+#define MV_HORIZONTAL (MV_LEFT | MV_RIGHT)
+#define MV_VERTICAL (MV_UP | MV_DOWN)
+#define MV_ALL_DIRECTIONS (MV_HORIZONTAL | MV_VERTICAL)
+#define MV_ANY_DIRECTION (MV_ALL_DIRECTIONS)
+#define MV_TOWARDS_PLAYER (1 << MV_BIT_TOWARDS_PLAYER)
+#define MV_AWAY_FROM_PLAYER (1 << MV_BIT_AWAY_FROM_PLAYER)
+#define MV_ALONG_LEFT_SIDE (1 << MV_BIT_ALONG_LEFT_SIDE)
+#define MV_ALONG_RIGHT_SIDE (1 << MV_BIT_ALONG_RIGHT_SIDE)
+#define MV_TURNING_LEFT (1 << MV_BIT_TURNING_LEFT)
+#define MV_TURNING_RIGHT (1 << MV_BIT_TURNING_RIGHT)
+
+/* values for slippery property for custom elements */
+#define SLIPPERY_ANY_RANDOM 0
+#define SLIPPERY_ANY_LEFT_RIGHT 1
+#define SLIPPERY_ANY_RIGHT_LEFT 2
+#define SLIPPERY_ONLY_LEFT 3
+#define SLIPPERY_ONLY_RIGHT 4
+
+/* macros for configurable properties */
+#define IS_DIGGABLE(e) HAS_PROPERTY(e, EP_DIGGABLE)
+#define IS_COLLECTIBLE_ONLY(e) HAS_PROPERTY(e, EP_COLLECTIBLE_ONLY)
+#define DONT_RUN_INTO(e) HAS_PROPERTY(e, EP_DONT_RUN_INTO)
+#define DONT_COLLIDE_WITH(e) HAS_PROPERTY(e, EP_DONT_COLLIDE_WITH)
+#define DONT_TOUCH(e) HAS_PROPERTY(e, EP_DONT_TOUCH)
+#define IS_INDESTRUCTIBLE(e) HAS_PROPERTY(e, EP_INDESTRUCTIBLE)
+#define IS_SLIPPERY(e) HAS_PROPERTY(e, EP_SLIPPERY)
+#define CAN_CHANGE(e) HAS_PROPERTY(e, EP_CAN_CHANGE)
+#define CAN_MOVE(e) HAS_PROPERTY(e, EP_CAN_MOVE)
+#define CAN_FALL(e) HAS_PROPERTY(e, EP_CAN_FALL)
+#define CAN_SMASH_PLAYER(e) HAS_PROPERTY(e, EP_CAN_SMASH_PLAYER)
+#define CAN_SMASH_ENEMIES(e) HAS_PROPERTY(e, EP_CAN_SMASH_ENEMIES)
+#define CAN_SMASH_EVERYTHING(e) HAS_PROPERTY(e, EP_CAN_SMASH_EVERYTHING)
+#define CAN_EXPLODE_BY_FIRE(e) HAS_PROPERTY(e, EP_CAN_EXPLODE_BY_FIRE)
+#define CAN_EXPLODE_SMASHED(e) HAS_PROPERTY(e, EP_CAN_EXPLODE_SMASHED)
+#define CAN_EXPLODE_IMPACT(e) HAS_PROPERTY(e, EP_CAN_EXPLODE_IMPACT)
+#define IS_WALKABLE_OVER(e) HAS_PROPERTY(e, EP_WALKABLE_OVER)
+#define IS_WALKABLE_INSIDE(e) HAS_PROPERTY(e, EP_WALKABLE_INSIDE)
+#define IS_WALKABLE_UNDER(e) HAS_PROPERTY(e, EP_WALKABLE_UNDER)
+#define IS_PASSABLE_OVER(e) HAS_PROPERTY(e, EP_PASSABLE_OVER)
+#define IS_PASSABLE_INSIDE(e) HAS_PROPERTY(e, EP_PASSABLE_INSIDE)
+#define IS_PASSABLE_UNDER(e) HAS_PROPERTY(e, EP_PASSABLE_UNDER)
+#define IS_DROPPABLE(e) HAS_PROPERTY(e, EP_DROPPABLE)
+#define CAN_EXPLODE_1X1(e) HAS_PROPERTY(e, EP_CAN_EXPLODE_1X1)
+#define IS_PUSHABLE(e) HAS_PROPERTY(e, EP_PUSHABLE)
+
+/* macros for special configurable properties */
+#define IS_EM_SLIPPERY_WALL(e) HAS_PROPERTY(e, EP_EM_SLIPPERY_WALL)
+
+/* macros for special graphics properties */
+#define CAN_BE_CRUMBLED(e) HAS_PROPERTY(GFX_ELEMENT(e),EP_CAN_BE_CRUMBLED)
+
+/* macros for pre-defined properties */
+#define ELEM_IS_PLAYER(e) HAS_PROPERTY(e, EP_PLAYER)
+#define CAN_PASS_MAGIC_WALL(e) HAS_PROPERTY(e, EP_CAN_PASS_MAGIC_WALL)
+#define IS_SWITCHABLE(e) HAS_PROPERTY(e, EP_SWITCHABLE)
+#define IS_BD_ELEMENT(e) HAS_PROPERTY(e, EP_BD_ELEMENT)
+#define IS_SP_ELEMENT(e) HAS_PROPERTY(e, EP_SP_ELEMENT)
+#define IS_SB_ELEMENT(e) HAS_PROPERTY(e, EP_SB_ELEMENT)
+#define IS_GEM(e) HAS_PROPERTY(e, EP_GEM)
+#define IS_FOOD_DARK_YAMYAM(e) HAS_PROPERTY(e, EP_FOOD_DARK_YAMYAM)
+#define IS_FOOD_PENGUIN(e) HAS_PROPERTY(e, EP_FOOD_PENGUIN)
+#define IS_FOOD_PIG(e) HAS_PROPERTY(e, EP_FOOD_PIG)
+#define IS_HISTORIC_WALL(e) HAS_PROPERTY(e, EP_HISTORIC_WALL)
+#define IS_HISTORIC_SOLID(e) HAS_PROPERTY(e, EP_HISTORIC_SOLID)
+#define IS_CLASSIC_ENEMY(e) HAS_PROPERTY(e, EP_CLASSIC_ENEMY)
+#define IS_BELT(e) HAS_PROPERTY(e, EP_BELT)
+#define IS_BELT_ACTIVE(e) HAS_PROPERTY(e, EP_BELT_ACTIVE)
+#define IS_BELT_SWITCH(e) HAS_PROPERTY(e, EP_BELT_SWITCH)
+#define IS_TUBE(e) HAS_PROPERTY(e, EP_TUBE)
+#define IS_KEYGATE(e) HAS_PROPERTY(e, EP_KEYGATE)
+#define IS_AMOEBOID(e) HAS_PROPERTY(e, EP_AMOEBOID)
+#define IS_AMOEBALIVE(e) HAS_PROPERTY(e, EP_AMOEBALIVE)
+#define HAS_CONTENT(e) HAS_PROPERTY(e, EP_HAS_CONTENT)
+#define IS_ACTIVE_BOMB(e) HAS_PROPERTY(e, EP_ACTIVE_BOMB)
+#define IS_INACTIVE(e) HAS_PROPERTY(e, EP_INACTIVE)
+
+/* macros for derived properties */
+#define IS_ACCESSIBLE_OVER(e) HAS_PROPERTY(e, EP_ACCESSIBLE_OVER)
+#define IS_ACCESSIBLE_INSIDE(e) HAS_PROPERTY(e, EP_ACCESSIBLE_INSIDE)
+#define IS_ACCESSIBLE_UNDER(e) HAS_PROPERTY(e, EP_ACCESSIBLE_UNDER)
+#define IS_WALKABLE(e) HAS_PROPERTY(e, EP_WALKABLE)
+#define IS_PASSABLE(e) HAS_PROPERTY(e, EP_PASSABLE)
+#define IS_ACCESSIBLE(e) HAS_PROPERTY(e, EP_ACCESSIBLE)
+#define IS_COLLECTIBLE(e) HAS_PROPERTY(e, EP_COLLECTIBLE)
+#define IS_SNAPPABLE(e) HAS_PROPERTY(e, EP_SNAPPABLE)
+#define IS_WALL(e) HAS_PROPERTY(e, EP_WALL)
+#define IS_SOLID_FOR_PUSHING(e) HAS_PROPERTY(e, EP_SOLID_FOR_PUSHING)
+#define IS_DRAGONFIRE_PROOF(e) HAS_PROPERTY(e, EP_DRAGONFIRE_PROOF)
+#define IS_EXPLOSION_PROOF(e) HAS_PROPERTY(e, EP_EXPLOSION_PROOF)
+#define CAN_SMASH(e) HAS_PROPERTY(e, EP_CAN_SMASH)
+#define CAN_EXPLODE(e) HAS_PROPERTY(e, EP_CAN_EXPLODE)
+#define CAN_EXPLODE_3X3(e) HAS_PROPERTY(e, EP_CAN_EXPLODE_3X3)
+
+/* special macros used in game engine */
+#define IS_CUSTOM_ELEMENT(e) ((e) >= EL_CUSTOM_START && \
+ (e) <= EL_CUSTOM_END)
+
+#define GFX_ELEMENT(e) (element_info[e].use_gfx_element ? \
+ element_info[e].gfx_element : e)
+
+#define IS_PLAYER(x,y) (ELEM_IS_PLAYER(StorePlayer[x][y]))
+
+#define IS_FREE(x,y) (Feld[x][y] == EL_EMPTY && !IS_PLAYER(x,y))
+#define IS_FREE_OR_PLAYER(x,y) (Feld[x][y] == EL_EMPTY)
+
+#define IS_MOVING(x,y) (MovPos[x][y] != 0)
+#define IS_FALLING(x,y) (MovPos[x][y] != 0 && MovDir[x][y] == MV_DOWN)
+#define IS_BLOCKED(x,y) (Feld[x][y] == EL_BLOCKED)
+
+#define EL_CHANGED(e) ((e) == EL_ROCK ? EL_EMERALD : \
+ (e) == EL_BD_ROCK ? EL_BD_DIAMOND : \
+ (e) == EL_EMERALD ? EL_DIAMOND : \
+ (e) == EL_EMERALD_YELLOW ? EL_DIAMOND : \
+ (e) == EL_EMERALD_RED ? EL_DIAMOND : \
+ (e) == EL_EMERALD_PURPLE ? EL_DIAMOND : \
+ EL_ROCK)
+#define EL_CHANGED2(e) ((e) == EL_ROCK ? EL_BD_DIAMOND : \
+ (e) == EL_BD_ROCK ? EL_BD_DIAMOND : \
+ EL_BD_ROCK)
+#define IS_DRAWABLE(e) ((e) < EL_BLOCKED)
+#define IS_NOT_DRAWABLE(e) ((e) >= EL_BLOCKED)
+#define TAPE_IS_EMPTY(x) ((x).length == 0)
+#define TAPE_IS_STOPPED(x) (!(x).recording && !(x).playing)
+
+#define PLAYERINFO(x,y) (&stored_player[StorePlayer[x][y]-EL_PLAYER_1])
+#define SHIELD_ON(p) ((p)->shield_normal_time_left > 0)
+#define PROTECTED_FIELD(x,y) (IS_ACCESSIBLE_INSIDE(Feld[x][y]) && \
+ IS_INDESTRUCTIBLE(Feld[x][y]))
+#define PLAYER_PROTECTED(x,y) (SHIELD_ON(PLAYERINFO(x, y)) || \
+ PROTECTED_FIELD(x, y))
+
+#define PLAYER_NR_GFX(g,i) ((g) + i * (IMG_PLAYER_2 - IMG_PLAYER_1))
+
+#define ANIM_FRAMES(g) (graphic_info[g].anim_frames)
+#define ANIM_DELAY(g) (graphic_info[g].anim_delay)
+#define ANIM_MODE(g) (graphic_info[g].anim_mode)
+
+#define IS_ANIMATED(g) (ANIM_FRAMES(g) > 1)
+#define IS_NEW_DELAY(f, g) ((f) % ANIM_DELAY(g) == 0)
+#define IS_NEW_FRAME(f, g) (IS_ANIMATED(g) && IS_NEW_DELAY(f, g))
+#define IS_NEXT_FRAME(f, g) (IS_NEW_FRAME(f, g) && (f) > 0)
+
+#define IS_LOOP_SOUND(s) (sound_info[s].loop)
+
+
+/* fundamental game speed values */
+#define GAME_FRAME_DELAY 20 /* frame delay in milliseconds */
+#define FFWD_FRAME_DELAY 10 /* 200% speed for fast forward */
+#define FRAMES_PER_SECOND (1000 / GAME_FRAME_DELAY)
+#define MICROLEVEL_SCROLL_DELAY 50 /* delay for scrolling micro level */
+#define MICROLEVEL_LABEL_DELAY 250 /* delay for micro level label */
+
+/* boundaries of arrays etc. */
+#define MAX_LEVEL_NAME_LEN 32
+#define MAX_LEVEL_AUTHOR_LEN 32
+#define MAX_ELEMENT_NAME_LEN 32
+#define MAX_TAPELEN (1000 * FRAMES_PER_SECOND) /* max.time x fps */
+#define MAX_SCORE_ENTRIES 100
+#define MAX_NUM_AMOEBA 100
+#define MAX_INVENTORY_SIZE 1000
+#define MIN_ENVELOPE_XSIZE 1
+#define MIN_ENVELOPE_YSIZE 1
+#define MAX_ENVELOPE_XSIZE 30
+#define MAX_ENVELOPE_YSIZE 20
+#define MAX_ENVELOPE_TEXT_LEN (MAX_ENVELOPE_XSIZE * MAX_ENVELOPE_YSIZE)
+#define MIN_CHANGE_PAGES 1
+#define MAX_CHANGE_PAGES 10
+
+/* values for elements with content */
+#define MIN_ELEMENT_CONTENTS 1
+#define STD_ELEMENT_CONTENTS 4
+#define MAX_ELEMENT_CONTENTS 8
+
+#define LEVEL_SCORE_ELEMENTS 16 /* level elements with score */
+
+/* often used screen positions */
+#define SX 8
+#define SY 8
+#define REAL_SX (SX - 2)
+#define REAL_SY (SY - 2)
+#define DX 566
+#define DY 60
+#define VX DX
+#define VY 400
+#define EX DX
+#define EY (VY - 44)
+#define TILEX 32
+#define TILEY 32
+#define MINI_TILEX (TILEX / 2)
+#define MINI_TILEY (TILEY / 2)
+#define MICRO_TILEX (TILEX / 8)
+#define MICRO_TILEY (TILEY / 8)
+#define MIDPOSX (SCR_FIELDX / 2)
+#define MIDPOSY (SCR_FIELDY / 2)
+#define SXSIZE (SCR_FIELDX * TILEX)
+#define SYSIZE (SCR_FIELDY * TILEY)
+#define FXSIZE ((SCR_FIELDX + 2) * TILEX)
+#define FYSIZE ((SCR_FIELDY + 2) * TILEY)
+#define DXSIZE 100
+#define DYSIZE 280
+#define VXSIZE DXSIZE
+#define VYSIZE 100
+#define EXSIZE DXSIZE
+#define EYSIZE (VYSIZE + 44)
+#define FULL_SXSIZE (2 + SXSIZE + 2)
+#define FULL_SYSIZE (2 + SYSIZE + 2)
+#define MICROLEV_XSIZE ((STD_LEV_FIELDX + 2) * MICRO_TILEX)
+#define MICROLEV_YSIZE ((STD_LEV_FIELDY + 2) * MICRO_TILEY)
+#define MICROLEV_XPOS (SX + (SXSIZE - MICROLEV_XSIZE) / 2)
+#define MICROLEV_YPOS (SX + 12 * TILEY - MICRO_TILEY)
+#define MICROLABEL_YPOS (MICROLEV_YPOS + MICROLEV_YSIZE + 7)
+
+
+/* "real" level file elements */
+#define EL_UNDEFINED -1
+
+#define EL_EMPTY_SPACE 0
+#define EL_EMPTY EL_EMPTY_SPACE
+#define EL_SAND 1
+#define EL_WALL 2
+#define EL_WALL_SLIPPERY 3
+#define EL_ROCK 4
+#define EL_KEY_OBSOLETE 5 /* obsolete; mapped to EL_KEY_1 */
+#define EL_EMERALD 6
+#define EL_EXIT_CLOSED 7
+#define EL_PLAYER_OBSOLETE 8 /* obsolete; mapped to EL_PLAYER_1 */
+#define EL_BUG 9
+#define EL_SPACESHIP 10
+#define EL_YAMYAM 11
+#define EL_ROBOT 12
+#define EL_STEELWALL 13
+#define EL_DIAMOND 14
+#define EL_AMOEBA_DEAD 15
+#define EL_QUICKSAND_EMPTY 16
+#define EL_QUICKSAND_FULL 17
+#define EL_AMOEBA_DROP 18
+#define EL_BOMB 19
+#define EL_MAGIC_WALL 20
+#define EL_SPEED_PILL 21
+#define EL_ACID 22
+#define EL_AMOEBA_WET 23
+#define EL_AMOEBA_DRY 24
+#define EL_NUT 25
+#define EL_GAME_OF_LIFE 26
+#define EL_BIOMAZE 27
+#define EL_DYNAMITE_ACTIVE 28
+#define EL_STONEBLOCK 29
+#define EL_ROBOT_WHEEL 30
+#define EL_ROBOT_WHEEL_ACTIVE 31
+#define EL_KEY_1 32
+#define EL_KEY_2 33
+#define EL_KEY_3 34
+#define EL_KEY_4 35
+#define EL_GATE_1 36
+#define EL_GATE_2 37
+#define EL_GATE_3 38
+#define EL_GATE_4 39
+#define EL_GATE_1_GRAY 40
+#define EL_GATE_2_GRAY 41
+#define EL_GATE_3_GRAY 42
+#define EL_GATE_4_GRAY 43
+#define EL_DYNAMITE 44
+#define EL_PACMAN 45
+#define EL_INVISIBLE_WALL 46
+#define EL_LAMP 47
+#define EL_LAMP_ACTIVE 48
+#define EL_WALL_EMERALD 49
+#define EL_WALL_DIAMOND 50
+#define EL_AMOEBA_FULL 51
+#define EL_BD_AMOEBA 52
+#define EL_TIME_ORB_FULL 53
+#define EL_TIME_ORB_EMPTY 54
+#define EL_EXPANDABLE_WALL 55
+#define EL_BD_DIAMOND 56
+#define EL_EMERALD_YELLOW 57
+#define EL_WALL_BD_DIAMOND 58
+#define EL_WALL_EMERALD_YELLOW 59
+#define EL_DARK_YAMYAM 60
+#define EL_BD_MAGIC_WALL 61
+#define EL_INVISIBLE_STEELWALL 62
+
+#define EL_UNUSED_63 63
+
+#define EL_DYNABOMB_INCREASE_NUMBER 64
+#define EL_DYNABOMB_INCREASE_SIZE 65
+#define EL_DYNABOMB_INCREASE_POWER 66
+#define EL_SOKOBAN_OBJECT 67
+#define EL_SOKOBAN_FIELD_EMPTY 68
+#define EL_SOKOBAN_FIELD_FULL 69
+#define EL_BD_BUTTERFLY_RIGHT 70
+#define EL_BD_BUTTERFLY_UP 71
+#define EL_BD_BUTTERFLY_LEFT 72
+#define EL_BD_BUTTERFLY_DOWN 73
+#define EL_BD_FIREFLY_RIGHT 74
+#define EL_BD_FIREFLY_UP 75
+#define EL_BD_FIREFLY_LEFT 76
+#define EL_BD_FIREFLY_DOWN 77
+#define EL_BD_BUTTERFLY_1 EL_BD_BUTTERFLY_DOWN
+#define EL_BD_BUTTERFLY_2 EL_BD_BUTTERFLY_LEFT
+#define EL_BD_BUTTERFLY_3 EL_BD_BUTTERFLY_UP
+#define EL_BD_BUTTERFLY_4 EL_BD_BUTTERFLY_RIGHT
+#define EL_BD_FIREFLY_1 EL_BD_FIREFLY_LEFT
+#define EL_BD_FIREFLY_2 EL_BD_FIREFLY_DOWN
+#define EL_BD_FIREFLY_3 EL_BD_FIREFLY_RIGHT
+#define EL_BD_FIREFLY_4 EL_BD_FIREFLY_UP
+#define EL_BD_BUTTERFLY 78
+#define EL_BD_FIREFLY 79
+#define EL_PLAYER_1 80
+#define EL_PLAYER_2 81
+#define EL_PLAYER_3 82
+#define EL_PLAYER_4 83
+#define EL_BUG_RIGHT 84
+#define EL_BUG_UP 85
+#define EL_BUG_LEFT 86
+#define EL_BUG_DOWN 87
+#define EL_SPACESHIP_RIGHT 88
+#define EL_SPACESHIP_UP 89
+#define EL_SPACESHIP_LEFT 90
+#define EL_SPACESHIP_DOWN 91
+#define EL_PACMAN_RIGHT 92
+#define EL_PACMAN_UP 93
+#define EL_PACMAN_LEFT 94
+#define EL_PACMAN_DOWN 95
+#define EL_EMERALD_RED 96
+#define EL_EMERALD_PURPLE 97
+#define EL_WALL_EMERALD_RED 98
+#define EL_WALL_EMERALD_PURPLE 99
+#define EL_ACID_POOL_TOPLEFT 100
+#define EL_ACID_POOL_TOPRIGHT 101
+#define EL_ACID_POOL_BOTTOMLEFT 102
+#define EL_ACID_POOL_BOTTOM 103
+#define EL_ACID_POOL_BOTTOMRIGHT 104
+#define EL_BD_WALL 105
+#define EL_BD_ROCK 106
+#define EL_EXIT_OPEN 107
+#define EL_BLACK_ORB 108
+#define EL_AMOEBA_TO_DIAMOND 109
+#define EL_MOLE 110
+#define EL_PENGUIN 111
+#define EL_SATELLITE 112
+#define EL_ARROW_LEFT 113
+#define EL_ARROW_RIGHT 114
+#define EL_ARROW_UP 115
+#define EL_ARROW_DOWN 116
+#define EL_PIG 117
+#define EL_DRAGON 118
+
+#define EL_EM_KEY_1_FILE 119
+
+#define EL_CHAR_START 120
+#define EL_CHAR_ASCII0 (EL_CHAR_START - 32)
+#define EL_CHAR_ASCII0_START (EL_CHAR_ASCII0 + 32)
+
+#include "conf_chr.h" /* include auto-generated data structure definitions */
+
+#define EL_CHAR_ASCII0_END (EL_CHAR_ASCII0 + 111)
+#define EL_CHAR_END (EL_CHAR_START + 79)
+
+#define EL_CHAR(c) (EL_CHAR_ASCII0 + MAP_FONT_ASCII(c))
+
+#define EL_EXPANDABLE_WALL_HORIZONTAL 200
+#define EL_EXPANDABLE_WALL_VERTICAL 201
+#define EL_EXPANDABLE_WALL_ANY 202
+
+#define EL_EM_GATE_1 203
+#define EL_EM_GATE_2 204
+#define EL_EM_GATE_3 205
+#define EL_EM_GATE_4 206
+
+#define EL_EM_KEY_2_FILE 207
+#define EL_EM_KEY_3_FILE 208
+#define EL_EM_KEY_4_FILE 209
+
+#define EL_SP_START 210
+#define EL_SP_EMPTY_SPACE (EL_SP_START + 0)
+#define EL_SP_EMPTY EL_SP_EMPTY_SPACE
+#define EL_SP_ZONK (EL_SP_START + 1)
+#define EL_SP_BASE (EL_SP_START + 2)
+#define EL_SP_MURPHY (EL_SP_START + 3)
+#define EL_SP_INFOTRON (EL_SP_START + 4)
+#define EL_SP_CHIP_SINGLE (EL_SP_START + 5)
+#define EL_SP_HARDWARE_GRAY (EL_SP_START + 6)
+#define EL_SP_EXIT_CLOSED (EL_SP_START + 7)
+#define EL_SP_DISK_ORANGE (EL_SP_START + 8)
+#define EL_SP_PORT_RIGHT (EL_SP_START + 9)
+#define EL_SP_PORT_DOWN (EL_SP_START + 10)
+#define EL_SP_PORT_LEFT (EL_SP_START + 11)
+#define EL_SP_PORT_UP (EL_SP_START + 12)
+#define EL_SP_GRAVITY_PORT_RIGHT (EL_SP_START + 13)
+#define EL_SP_GRAVITY_PORT_DOWN (EL_SP_START + 14)
+#define EL_SP_GRAVITY_PORT_LEFT (EL_SP_START + 15)
+#define EL_SP_GRAVITY_PORT_UP (EL_SP_START + 16)
+#define EL_SP_SNIKSNAK (EL_SP_START + 17)
+#define EL_SP_DISK_YELLOW (EL_SP_START + 18)
+#define EL_SP_TERMINAL (EL_SP_START + 19)
+#define EL_SP_DISK_RED (EL_SP_START + 20)
+#define EL_SP_PORT_VERTICAL (EL_SP_START + 21)
+#define EL_SP_PORT_HORIZONTAL (EL_SP_START + 22)
+#define EL_SP_PORT_ANY (EL_SP_START + 23)
+#define EL_SP_ELECTRON (EL_SP_START + 24)
+#define EL_SP_BUGGY_BASE (EL_SP_START + 25)
+#define EL_SP_CHIP_LEFT (EL_SP_START + 26)
+#define EL_SP_CHIP_RIGHT (EL_SP_START + 27)
+#define EL_SP_HARDWARE_BASE_1 (EL_SP_START + 28)
+#define EL_SP_HARDWARE_GREEN (EL_SP_START + 29)
+#define EL_SP_HARDWARE_BLUE (EL_SP_START + 30)
+#define EL_SP_HARDWARE_RED (EL_SP_START + 31)
+#define EL_SP_HARDWARE_YELLOW (EL_SP_START + 32)
+#define EL_SP_HARDWARE_BASE_2 (EL_SP_START + 33)
+#define EL_SP_HARDWARE_BASE_3 (EL_SP_START + 34)
+#define EL_SP_HARDWARE_BASE_4 (EL_SP_START + 35)
+#define EL_SP_HARDWARE_BASE_5 (EL_SP_START + 36)
+#define EL_SP_HARDWARE_BASE_6 (EL_SP_START + 37)
+#define EL_SP_CHIP_TOP (EL_SP_START + 38)
+#define EL_SP_CHIP_BOTTOM (EL_SP_START + 39)
+#define EL_SP_END (EL_SP_START + 39)
+
+#define EL_EM_GATE_1_GRAY 250
+#define EL_EM_GATE_2_GRAY 251
+#define EL_EM_GATE_3_GRAY 252
+#define EL_EM_GATE_4_GRAY 253
+
+#define EL_UNUSED_254 254
+#define EL_UNUSED_255 255
+
+#define EL_PEARL 256
+#define EL_CRYSTAL 257
+#define EL_WALL_PEARL 258
+#define EL_WALL_CRYSTAL 259
+#define EL_DOOR_WHITE 260
+#define EL_DOOR_WHITE_GRAY 261
+#define EL_KEY_WHITE 262
+#define EL_SHIELD_NORMAL 263
+#define EL_EXTRA_TIME 264
+#define EL_SWITCHGATE_OPEN 265
+#define EL_SWITCHGATE_CLOSED 266
+#define EL_SWITCHGATE_SWITCH_UP 267
+#define EL_SWITCHGATE_SWITCH_DOWN 268
+
+#define EL_UNUSED_269 269
+#define EL_UNUSED_270 270
+
+#define EL_CONVEYOR_BELT_1_LEFT 271
+#define EL_CONVEYOR_BELT_1_MIDDLE 272
+#define EL_CONVEYOR_BELT_1_RIGHT 273
+#define EL_CONVEYOR_BELT_1_SWITCH_LEFT 274
+#define EL_CONVEYOR_BELT_1_SWITCH_MIDDLE 275
+#define EL_CONVEYOR_BELT_1_SWITCH_RIGHT 276
+#define EL_CONVEYOR_BELT_2_LEFT 277
+#define EL_CONVEYOR_BELT_2_MIDDLE 278
+#define EL_CONVEYOR_BELT_2_RIGHT 279
+#define EL_CONVEYOR_BELT_2_SWITCH_LEFT 280
+#define EL_CONVEYOR_BELT_2_SWITCH_MIDDLE 281
+#define EL_CONVEYOR_BELT_2_SWITCH_RIGHT 282
+#define EL_CONVEYOR_BELT_3_LEFT 283
+#define EL_CONVEYOR_BELT_3_MIDDLE 284
+#define EL_CONVEYOR_BELT_3_RIGHT 285
+#define EL_CONVEYOR_BELT_3_SWITCH_LEFT 286
+#define EL_CONVEYOR_BELT_3_SWITCH_MIDDLE 287
+#define EL_CONVEYOR_BELT_3_SWITCH_RIGHT 288
+#define EL_CONVEYOR_BELT_4_LEFT 289
+#define EL_CONVEYOR_BELT_4_MIDDLE 290
+#define EL_CONVEYOR_BELT_4_RIGHT 291
+#define EL_CONVEYOR_BELT_4_SWITCH_LEFT 292
+#define EL_CONVEYOR_BELT_4_SWITCH_MIDDLE 293
+#define EL_CONVEYOR_BELT_4_SWITCH_RIGHT 294
+#define EL_LANDMINE 295
+#define EL_ENVELOPE 296
+#define EL_LIGHT_SWITCH 297
+#define EL_LIGHT_SWITCH_ACTIVE 298
+#define EL_SIGN_EXCLAMATION 299
+#define EL_SIGN_RADIOACTIVITY 300
+#define EL_SIGN_STOP 301
+#define EL_SIGN_WHEELCHAIR 302
+#define EL_SIGN_PARKING 303
+#define EL_SIGN_ONEWAY 304
+#define EL_SIGN_HEART 305
+#define EL_SIGN_TRIANGLE 306
+#define EL_SIGN_ROUND 307
+#define EL_SIGN_EXIT 308
+#define EL_SIGN_YINYANG 309
+#define EL_SIGN_OTHER 310
+#define EL_MOLE_LEFT 311
+#define EL_MOLE_RIGHT 312
+#define EL_MOLE_UP 313
+#define EL_MOLE_DOWN 314
+#define EL_STEELWALL_SLIPPERY 315
+#define EL_INVISIBLE_SAND 316
+#define EL_DX_UNKNOWN_15 317
+#define EL_DX_UNKNOWN_42 318
+
+#define EL_UNUSED_319 319
+#define EL_UNUSED_320 320
+
+#define EL_SHIELD_DEADLY 321
+#define EL_TIMEGATE_OPEN 322
+#define EL_TIMEGATE_CLOSED 323
+#define EL_TIMEGATE_SWITCH_ACTIVE 324
+#define EL_TIMEGATE_SWITCH 325
+
+#define EL_BALLOON 326
+#define EL_BALLOON_SWITCH_LEFT 327
+#define EL_BALLOON_SWITCH_RIGHT 328
+#define EL_BALLOON_SWITCH_UP 329
+#define EL_BALLOON_SWITCH_DOWN 330
+#define EL_BALLOON_SWITCH_ANY 331
+
+#define EL_EMC_STEELWALL_1 332
+#define EL_EMC_STEELWALL_2 333
+#define EL_EMC_STEELWALL_3 334
+#define EL_EMC_STEELWALL_4 335
+#define EL_EMC_WALL_1 336
+#define EL_EMC_WALL_2 337
+#define EL_EMC_WALL_3 338
+#define EL_EMC_WALL_4 339
+#define EL_EMC_WALL_5 340
+#define EL_EMC_WALL_6 341
+#define EL_EMC_WALL_7 342
+#define EL_EMC_WALL_8 343
+
+#define EL_TUBE_ANY 344
+#define EL_TUBE_VERTICAL 345
+#define EL_TUBE_HORIZONTAL 346
+#define EL_TUBE_VERTICAL_LEFT 347
+#define EL_TUBE_VERTICAL_RIGHT 348
+#define EL_TUBE_HORIZONTAL_UP 349
+#define EL_TUBE_HORIZONTAL_DOWN 350
+#define EL_TUBE_LEFT_UP 351
+#define EL_TUBE_LEFT_DOWN 352
+#define EL_TUBE_RIGHT_UP 353
+#define EL_TUBE_RIGHT_DOWN 354
+#define EL_SPRING 355
+#define EL_TRAP 356
+#define EL_DX_SUPABOMB 357
+
+#define EL_UNUSED_358 358
+#define EL_UNUSED_359 359
+
+#define EL_CUSTOM_START 360
+
+#include "conf_cus.h" /* include auto-generated data structure definitions */
+
+#define NUM_CUSTOM_ELEMENTS 256
+
+#define EL_CUSTOM_END (EL_CUSTOM_START + NUM_CUSTOM_ELEMENTS - 1)
+#define NUM_FILE_ELEMENTS (EL_CUSTOM_START + NUM_CUSTOM_ELEMENTS)
+
+
+/* "real" (and therefore drawable) runtime elements */
+#define EL_FIRST_RUNTIME_REAL NUM_FILE_ELEMENTS
+
+#define EL_EM_KEY_1 (EL_FIRST_RUNTIME_REAL + 0)
+#define EL_EM_KEY_2 (EL_FIRST_RUNTIME_REAL + 1)
+#define EL_EM_KEY_3 (EL_FIRST_RUNTIME_REAL + 2)
+#define EL_EM_KEY_4 (EL_FIRST_RUNTIME_REAL + 3)
+#define EL_DYNABOMB_PLAYER_1_ACTIVE (EL_FIRST_RUNTIME_REAL + 4)
+#define EL_DYNABOMB_PLAYER_2_ACTIVE (EL_FIRST_RUNTIME_REAL + 5)
+#define EL_DYNABOMB_PLAYER_3_ACTIVE (EL_FIRST_RUNTIME_REAL + 6)
+#define EL_DYNABOMB_PLAYER_4_ACTIVE (EL_FIRST_RUNTIME_REAL + 7)
+#define EL_SP_DISK_RED_ACTIVE (EL_FIRST_RUNTIME_REAL + 8)
+#define EL_SWITCHGATE_OPENING (EL_FIRST_RUNTIME_REAL + 9)
+#define EL_SWITCHGATE_CLOSING (EL_FIRST_RUNTIME_REAL + 10)
+#define EL_TIMEGATE_OPENING (EL_FIRST_RUNTIME_REAL + 11)
+#define EL_TIMEGATE_CLOSING (EL_FIRST_RUNTIME_REAL + 12)
+#define EL_PEARL_BREAKING (EL_FIRST_RUNTIME_REAL + 13)
+#define EL_TRAP_ACTIVE (EL_FIRST_RUNTIME_REAL + 14)
+#define EL_INVISIBLE_STEELWALL_ACTIVE (EL_FIRST_RUNTIME_REAL + 15)
+#define EL_INVISIBLE_WALL_ACTIVE (EL_FIRST_RUNTIME_REAL + 16)
+#define EL_INVISIBLE_SAND_ACTIVE (EL_FIRST_RUNTIME_REAL + 17)
+#define EL_CONVEYOR_BELT_1_LEFT_ACTIVE (EL_FIRST_RUNTIME_REAL + 18)
+#define EL_CONVEYOR_BELT_1_MIDDLE_ACTIVE (EL_FIRST_RUNTIME_REAL + 19)
+#define EL_CONVEYOR_BELT_1_RIGHT_ACTIVE (EL_FIRST_RUNTIME_REAL + 20)
+#define EL_CONVEYOR_BELT_2_LEFT_ACTIVE (EL_FIRST_RUNTIME_REAL + 21)
+#define EL_CONVEYOR_BELT_2_MIDDLE_ACTIVE (EL_FIRST_RUNTIME_REAL + 22)
+#define EL_CONVEYOR_BELT_2_RIGHT_ACTIVE (EL_FIRST_RUNTIME_REAL + 23)
+#define EL_CONVEYOR_BELT_3_LEFT_ACTIVE (EL_FIRST_RUNTIME_REAL + 24)
+#define EL_CONVEYOR_BELT_3_MIDDLE_ACTIVE (EL_FIRST_RUNTIME_REAL + 25)
+#define EL_CONVEYOR_BELT_3_RIGHT_ACTIVE (EL_FIRST_RUNTIME_REAL + 26)
+#define EL_CONVEYOR_BELT_4_LEFT_ACTIVE (EL_FIRST_RUNTIME_REAL + 27)
+#define EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE (EL_FIRST_RUNTIME_REAL + 28)
+#define EL_CONVEYOR_BELT_4_RIGHT_ACTIVE (EL_FIRST_RUNTIME_REAL + 29)
+#define EL_EXIT_OPENING (EL_FIRST_RUNTIME_REAL + 30)
+#define EL_SP_EXIT_OPEN (EL_FIRST_RUNTIME_REAL + 31)
+#define EL_SP_TERMINAL_ACTIVE (EL_FIRST_RUNTIME_REAL + 32)
+#define EL_SP_BUGGY_BASE_ACTIVATING (EL_FIRST_RUNTIME_REAL + 33)
+#define EL_SP_BUGGY_BASE_ACTIVE (EL_FIRST_RUNTIME_REAL + 34)
+#define EL_SP_MURPHY_CLONE (EL_FIRST_RUNTIME_REAL + 35)
+#define EL_AMOEBA_DROPPING (EL_FIRST_RUNTIME_REAL + 36)
+#define EL_QUICKSAND_EMPTYING (EL_FIRST_RUNTIME_REAL + 37)
+#define EL_MAGIC_WALL_ACTIVE (EL_FIRST_RUNTIME_REAL + 38)
+#define EL_BD_MAGIC_WALL_ACTIVE (EL_FIRST_RUNTIME_REAL + 39)
+#define EL_MAGIC_WALL_FULL (EL_FIRST_RUNTIME_REAL + 40)
+#define EL_BD_MAGIC_WALL_FULL (EL_FIRST_RUNTIME_REAL + 41)
+#define EL_MAGIC_WALL_EMPTYING (EL_FIRST_RUNTIME_REAL + 42)
+#define EL_BD_MAGIC_WALL_EMPTYING (EL_FIRST_RUNTIME_REAL + 43)
+#define EL_MAGIC_WALL_DEAD (EL_FIRST_RUNTIME_REAL + 44)
+#define EL_BD_MAGIC_WALL_DEAD (EL_FIRST_RUNTIME_REAL + 45)
+
+/* "unreal" (and therefore not drawable) runtime elements */
+#define EL_FIRST_RUNTIME_UNREAL (EL_FIRST_RUNTIME_REAL + 46)
+
+#define EL_BLOCKED (EL_FIRST_RUNTIME_UNREAL + 0)
+#define EL_EXPLOSION (EL_FIRST_RUNTIME_UNREAL + 1)
+#define EL_NUT_BREAKING (EL_FIRST_RUNTIME_UNREAL + 2)
+#define EL_DIAMOND_BREAKING (EL_FIRST_RUNTIME_UNREAL + 3)
+#define EL_ACID_SPLASH_LEFT (EL_FIRST_RUNTIME_UNREAL + 4)
+#define EL_ACID_SPLASH_RIGHT (EL_FIRST_RUNTIME_UNREAL + 5)
+#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_QUICKSAND_FILLING (EL_FIRST_RUNTIME_UNREAL + 11)
+#define EL_MAGIC_WALL_FILLING (EL_FIRST_RUNTIME_UNREAL + 12)
+#define EL_BD_MAGIC_WALL_FILLING (EL_FIRST_RUNTIME_UNREAL + 13)
+
+/* dummy elements (never used as game elements, only used as graphics) */
+#define EL_FIRST_DUMMY (EL_FIRST_RUNTIME_UNREAL + 14)
+
+#define EL_STEELWALL_TOPLEFT (EL_FIRST_DUMMY + 0)
+#define EL_STEELWALL_TOPRIGHT (EL_FIRST_DUMMY + 1)
+#define EL_STEELWALL_BOTTOMLEFT (EL_FIRST_DUMMY + 2)
+#define EL_STEELWALL_BOTTOMRIGHT (EL_FIRST_DUMMY + 3)
+#define EL_STEELWALL_HORIZONTAL (EL_FIRST_DUMMY + 4)
+#define EL_STEELWALL_VERTICAL (EL_FIRST_DUMMY + 5)
+#define EL_INVISIBLE_STEELWALL_TOPLEFT (EL_FIRST_DUMMY + 6)
+#define EL_INVISIBLE_STEELWALL_TOPRIGHT (EL_FIRST_DUMMY + 7)
+#define EL_INVISIBLE_STEELWALL_BOTTOMLEFT (EL_FIRST_DUMMY + 8)
+#define EL_INVISIBLE_STEELWALL_BOTTOMRIGHT (EL_FIRST_DUMMY + 9)
+#define EL_INVISIBLE_STEELWALL_HORIZONTAL (EL_FIRST_DUMMY + 10)
+#define EL_INVISIBLE_STEELWALL_VERTICAL (EL_FIRST_DUMMY + 11)
+#define EL_DYNABOMB (EL_FIRST_DUMMY + 12)
+#define EL_DYNABOMB_ACTIVE (EL_FIRST_DUMMY + 13)
+#define EL_DYNABOMB_PLAYER_1 (EL_FIRST_DUMMY + 14)
+#define EL_DYNABOMB_PLAYER_2 (EL_FIRST_DUMMY + 15)
+#define EL_DYNABOMB_PLAYER_3 (EL_FIRST_DUMMY + 16)
+#define EL_DYNABOMB_PLAYER_4 (EL_FIRST_DUMMY + 17)
+#define EL_SHIELD_NORMAL_ACTIVE (EL_FIRST_DUMMY + 18)
+#define EL_SHIELD_DEADLY_ACTIVE (EL_FIRST_DUMMY + 19)
+#define EL_DEFAULT (EL_FIRST_DUMMY + 20)
+#define EL_BD_DEFAULT (EL_FIRST_DUMMY + 21)
+#define EL_SP_DEFAULT (EL_FIRST_DUMMY + 22)
+#define EL_SB_DEFAULT (EL_FIRST_DUMMY + 23)
+
+#define MAX_NUM_ELEMENTS (EL_FIRST_DUMMY + 24)
+
+
+/* values for graphics/sounds action types */
+#define ACTION_DEFAULT 0
+#define ACTION_WAITING 1
+#define ACTION_FALLING 2
+#define ACTION_MOVING 3
+#define ACTION_DIGGING 4
+#define ACTION_SNAPPING 5
+#define ACTION_COLLECTING 6
+#define ACTION_DROPPING 7
+#define ACTION_PUSHING 8
+#define ACTION_WALKING 9
+#define ACTION_PASSING 10
+#define ACTION_IMPACT 11
+#define ACTION_BREAKING 12
+#define ACTION_ACTIVATING 13
+#define ACTION_DEACTIVATING 14
+#define ACTION_OPENING 15
+#define ACTION_CLOSING 16
+#define ACTION_ATTACKING 17
+#define ACTION_GROWING 18
+#define ACTION_SHRINKING 19
+#define ACTION_ACTIVE 20
+#define ACTION_FILLING 21
+#define ACTION_EMPTYING 22
+#define ACTION_CHANGING 23
+#define ACTION_EXPLODING 24
+#define ACTION_DYING 25
+#define ACTION_OTHER 26
+
+#define NUM_ACTIONS 27
+
+/* values for special image configuration suffixes (must match game mode) */
+#define GFX_SPECIAL_ARG_MAIN 0
+#define GFX_SPECIAL_ARG_LEVELS 1
+#define GFX_SPECIAL_ARG_SCORES 2
+#define GFX_SPECIAL_ARG_EDITOR 3
+#define GFX_SPECIAL_ARG_INFO 4
+#define GFX_SPECIAL_ARG_SETUP 5
+#define GFX_SPECIAL_ARG_PLAYING 6
+#define GFX_SPECIAL_ARG_DOOR 7
+#define GFX_SPECIAL_ARG_PREVIEW 8
+#define GFX_SPECIAL_ARG_CRUMBLED 9
+
+#define NUM_SPECIAL_GFX_ARGS 10
+
+
+/* values for image configuration suffixes */
+#define GFX_ARG_X 0
+#define GFX_ARG_Y 1
+#define GFX_ARG_XPOS 2
+#define GFX_ARG_YPOS 3
+#define GFX_ARG_WIDTH 4
+#define GFX_ARG_HEIGHT 5
+#define GFX_ARG_OFFSET 6
+#define GFX_ARG_VERTICAL 7
+#define GFX_ARG_XOFFSET 8
+#define GFX_ARG_YOFFSET 9
+#define GFX_ARG_FRAMES 10
+#define GFX_ARG_FRAMES_PER_LINE 11
+#define GFX_ARG_START_FRAME 12
+#define GFX_ARG_DELAY 13
+#define GFX_ARG_ANIM_MODE 14
+#define GFX_ARG_GLOBAL_SYNC 15
+#define GFX_ARG_CRUMBLED_LIKE 16
+#define GFX_ARG_DIGGABLE_LIKE 17
+#define GFX_ARG_BORDER_SIZE 18
+#define GFX_ARG_STEP_OFFSET 19
+#define GFX_ARG_STEP_DELAY 20
+#define GFX_ARG_DIRECTION 21
+#define GFX_ARG_POSITION 22
+#define GFX_ARG_DRAW_XOFFSET 23
+#define GFX_ARG_DRAW_YOFFSET 24
+#define GFX_ARG_DRAW_MASKED 25
+#define GFX_ARG_NAME 26
+
+#define NUM_GFX_ARGS 27
+
+
+/* values for sound configuration suffixes */
+#define SND_ARG_MODE_LOOP 0
+
+#define NUM_SND_ARGS 1
+
+
+/* values for font configuration */
+
+#define FONT_INITIAL_1 0
+#define FONT_INITIAL_2 1
+#define FONT_INITIAL_3 2
+#define FONT_INITIAL_4 3
+#define FONT_TITLE_1 4
+#define FONT_TITLE_2 5
+#define FONT_MENU_1 6
+#define FONT_MENU_2 7
+#define FONT_TEXT_1_ACTIVE 8
+#define FONT_TEXT_2_ACTIVE 9
+#define FONT_TEXT_3_ACTIVE 10
+#define FONT_TEXT_4_ACTIVE 11
+#define FONT_TEXT_1 12
+#define FONT_TEXT_2 13
+#define FONT_TEXT_3 14
+#define FONT_TEXT_4 15
+#define FONT_INPUT_1_ACTIVE 16
+#define FONT_INPUT_2_ACTIVE 17
+#define FONT_INPUT_1 18
+#define FONT_INPUT_2 19
+#define FONT_OPTION_OFF 20
+#define FONT_OPTION_ON 21
+#define FONT_VALUE_1 22
+#define FONT_VALUE_2 23
+#define FONT_VALUE_OLD 24
+#define FONT_LEVEL_NUMBER 25
+#define FONT_TAPE_RECORDER 26
+#define FONT_GAME_INFO 27
+
+#define NUM_FONTS 28
+#define NUM_INITIAL_FONTS 4
+
+/* values for game_status (must match special image configuration suffixes) */
+#define GAME_MODE_MAIN 0
+#define GAME_MODE_LEVELS 1
+#define GAME_MODE_SCORES 2
+#define GAME_MODE_EDITOR 3
+#define GAME_MODE_INFO 4
+#define GAME_MODE_SETUP 5
+#define GAME_MODE_PLAYING 6
+#define GAME_MODE_PSEUDO_DOOR 7
+#define GAME_MODE_PSEUDO_PREVIEW 8
+#define GAME_MODE_PSEUDO_CRUMBLED 9
+
+/* there are no special config file suffixes for these modes */
+#define GAME_MODE_PSEUDO_TYPENAME 10
+#define GAME_MODE_QUIT 11
+
+#define PROGRAM_VERSION_MAJOR 3
+#define PROGRAM_VERSION_MINOR 0
+#define PROGRAM_VERSION_PATCH 3
+#define PROGRAM_VERSION_RELEASE 0
+#define PROGRAM_VERSION_STRING "3.0.3"
+
+#define PROGRAM_TITLE_STRING "Rocks'n'Diamonds"
+#define PROGRAM_AUTHOR_STRING "Holger Schemel"
+#define PROGRAM_RIGHTS_STRING "Copyright ©1995-2003 by"
+#define PROGRAM_DOS_PORT_STRING "DOS port done by Guido Schulz"
+#define PROGRAM_IDENT_STRING PROGRAM_VERSION_STRING " " TARGET_STRING
+#define WINDOW_TITLE_STRING PROGRAM_TITLE_STRING " " PROGRAM_IDENT_STRING
+#define WINDOW_SUBTITLE_STRING PROGRAM_RIGHTS_STRING " " PROGRAM_AUTHOR_STRING
+#define ICON_TITLE_STRING PROGRAM_TITLE_STRING
+#define COOKIE_PREFIX "ROCKSNDIAMONDS"
+#define FILENAME_PREFIX "Rocks"
+
+#if defined(PLATFORM_UNIX)
+#define USERDATA_DIRECTORY ".rocksndiamonds"
+#elif defined(PLATFORM_WIN32)
+#define USERDATA_DIRECTORY PROGRAM_TITLE_STRING
+#else
+#define USERDATA_DIRECTORY "userdata"
+#endif