+ EL_SP_DISK_YELLOW,
+ EL_BALLOON,
+ EL_EMC_ANDROID,
+ -1
+ };
+
+ static int ep_explodes_cross_old[] =
+ {
+ -1
+ };
+
+ static int ep_protected[] =
+ {
+ /* same elements as in 'ep_walkable_inside' */
+ EL_TUBE_ANY,
+ EL_TUBE_VERTICAL,
+ EL_TUBE_HORIZONTAL,
+ EL_TUBE_VERTICAL_LEFT,
+ EL_TUBE_VERTICAL_RIGHT,
+ EL_TUBE_HORIZONTAL_UP,
+ EL_TUBE_HORIZONTAL_DOWN,
+ EL_TUBE_LEFT_UP,
+ EL_TUBE_LEFT_DOWN,
+ EL_TUBE_RIGHT_UP,
+ EL_TUBE_RIGHT_DOWN,
+
+ /* same elements as in 'ep_passable_over' */
+ EL_EM_GATE_1,
+ EL_EM_GATE_2,
+ EL_EM_GATE_3,
+ EL_EM_GATE_4,
+ EL_EM_GATE_1_GRAY,
+ EL_EM_GATE_2_GRAY,
+ EL_EM_GATE_3_GRAY,
+ EL_EM_GATE_4_GRAY,
+ EL_EMC_GATE_5,
+ EL_EMC_GATE_6,
+ EL_EMC_GATE_7,
+ EL_EMC_GATE_8,
+ EL_EMC_GATE_5_GRAY,
+ EL_EMC_GATE_6_GRAY,
+ EL_EMC_GATE_7_GRAY,
+ EL_EMC_GATE_8_GRAY,
+ EL_SWITCHGATE_OPEN,
+ EL_TIMEGATE_OPEN,
+
+ /* same elements as in 'ep_passable_inside' */
+ EL_SP_PORT_LEFT,
+ EL_SP_PORT_RIGHT,
+ EL_SP_PORT_UP,
+ EL_SP_PORT_DOWN,
+ EL_SP_PORT_HORIZONTAL,
+ EL_SP_PORT_VERTICAL,
+ EL_SP_PORT_ANY,
+ EL_SP_GRAVITY_PORT_LEFT,
+ EL_SP_GRAVITY_PORT_RIGHT,
+ EL_SP_GRAVITY_PORT_UP,
+ EL_SP_GRAVITY_PORT_DOWN,
+ EL_SP_GRAVITY_ON_PORT_LEFT,
+ EL_SP_GRAVITY_ON_PORT_RIGHT,
+ EL_SP_GRAVITY_ON_PORT_UP,
+ EL_SP_GRAVITY_ON_PORT_DOWN,
+ EL_SP_GRAVITY_OFF_PORT_LEFT,
+ EL_SP_GRAVITY_OFF_PORT_RIGHT,
+ EL_SP_GRAVITY_OFF_PORT_UP,
+ EL_SP_GRAVITY_OFF_PORT_DOWN,
+ -1
+ };
+
+ static int ep_throwable[] =
+ {
+ -1
+ };
+
+ static int ep_can_explode[] =
+ {
+ /* same elements as in 'ep_explodes_impact' */
+ EL_BOMB,
+ EL_SP_DISK_ORANGE,
+ EL_DX_SUPABOMB,
+
+ /* same elements as in 'ep_explodes_smashed' */
+ EL_SATELLITE,
+ EL_PIG,
+ EL_DRAGON,
+ EL_MOLE,
+
+ /* elements that can explode by explosion or by dragonfire */
+ EL_DYNAMITE_ACTIVE,
+ EL_DYNAMITE,
+ EL_DYNABOMB_PLAYER_1_ACTIVE,
+ EL_DYNABOMB_PLAYER_2_ACTIVE,
+ EL_DYNABOMB_PLAYER_3_ACTIVE,
+ EL_DYNABOMB_PLAYER_4_ACTIVE,
+ EL_DYNABOMB_INCREASE_NUMBER,
+ EL_DYNABOMB_INCREASE_SIZE,
+ EL_DYNABOMB_INCREASE_POWER,
+ EL_SP_DISK_RED_ACTIVE,
+ EL_BUG,
+ EL_PENGUIN,
+ EL_SP_DISK_RED,
+ EL_SP_DISK_YELLOW,
+ EL_SP_SNIKSNAK,
+ EL_SP_ELECTRON,
+
+ /* elements that can explode only by explosion */
+ EL_BLACK_ORB,
+ -1
+ };
+
+ static int ep_gravity_reachable[] =
+ {
+ EL_SAND,
+ EL_SP_BASE,
+ EL_TRAP,
+ EL_INVISIBLE_SAND,
+ EL_INVISIBLE_SAND_ACTIVE,
+ EL_SP_PORT_LEFT,
+ EL_SP_PORT_RIGHT,
+ EL_SP_PORT_UP,
+ EL_SP_PORT_DOWN,
+ EL_SP_PORT_HORIZONTAL,
+ EL_SP_PORT_VERTICAL,
+ EL_SP_PORT_ANY,
+ EL_SP_GRAVITY_PORT_LEFT,
+ EL_SP_GRAVITY_PORT_RIGHT,
+ EL_SP_GRAVITY_PORT_UP,
+ EL_SP_GRAVITY_PORT_DOWN,
+ EL_SP_GRAVITY_ON_PORT_LEFT,
+ EL_SP_GRAVITY_ON_PORT_RIGHT,
+ EL_SP_GRAVITY_ON_PORT_UP,
+ EL_SP_GRAVITY_ON_PORT_DOWN,
+ EL_SP_GRAVITY_OFF_PORT_LEFT,
+ EL_SP_GRAVITY_OFF_PORT_RIGHT,
+ EL_SP_GRAVITY_OFF_PORT_UP,
+ EL_SP_GRAVITY_OFF_PORT_DOWN,
+ EL_EMC_GRASS,
+ -1
+ };
+
+ static int ep_player[] =
+ {
+ EL_PLAYER_1,
+ EL_PLAYER_2,
+ EL_PLAYER_3,
+ EL_PLAYER_4,
+ EL_SP_MURPHY,
+ EL_SOKOBAN_FIELD_PLAYER,
+ EL_TRIGGER_PLAYER,
+ -1
+ };
+
+ static int ep_can_pass_magic_wall[] =
+ {
+ EL_ROCK,
+ EL_BD_ROCK,
+ EL_EMERALD,
+ EL_BD_DIAMOND,
+ EL_EMERALD_YELLOW,
+ EL_EMERALD_RED,
+ EL_EMERALD_PURPLE,
+ EL_DIAMOND,
+ -1
+ };
+
+ static int ep_switchable[] =
+ {
+ EL_ROBOT_WHEEL,
+ EL_SP_TERMINAL,
+ EL_CONVEYOR_BELT_1_SWITCH_LEFT,
+ EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
+ EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
+ EL_CONVEYOR_BELT_2_SWITCH_LEFT,
+ EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
+ EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
+ EL_CONVEYOR_BELT_3_SWITCH_LEFT,
+ EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
+ EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
+ EL_CONVEYOR_BELT_4_SWITCH_LEFT,
+ EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
+ EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
+ EL_SWITCHGATE_SWITCH_UP,
+ EL_SWITCHGATE_SWITCH_DOWN,
+ EL_LIGHT_SWITCH,
+ EL_LIGHT_SWITCH_ACTIVE,
+ EL_TIMEGATE_SWITCH,
+ EL_BALLOON_SWITCH_LEFT,
+ EL_BALLOON_SWITCH_RIGHT,
+ EL_BALLOON_SWITCH_UP,
+ EL_BALLOON_SWITCH_DOWN,
+ EL_BALLOON_SWITCH_ANY,
+ EL_LAMP,
+ EL_TIME_ORB_FULL,
+ EL_EMC_MAGIC_BALL_SWITCH,
+ -1
+ };
+
+ static int ep_bd_element[] =
+ {
+ EL_EMPTY,
+ EL_SAND,
+ EL_WALL_SLIPPERY,
+ EL_BD_WALL,
+ EL_ROCK,
+ EL_BD_ROCK,
+ EL_BD_DIAMOND,
+ EL_BD_MAGIC_WALL,
+ EL_EXIT_CLOSED,
+ EL_EXIT_OPEN,
+ EL_STEELWALL,
+ EL_PLAYER_1,
+ EL_PLAYER_2,
+ EL_PLAYER_3,
+ EL_PLAYER_4,
+ EL_BD_FIREFLY,
+ EL_BD_FIREFLY_1,
+ EL_BD_FIREFLY_2,
+ EL_BD_FIREFLY_3,
+ EL_BD_FIREFLY_4,
+ EL_BD_BUTTERFLY,
+ EL_BD_BUTTERFLY_1,
+ EL_BD_BUTTERFLY_2,
+ EL_BD_BUTTERFLY_3,
+ EL_BD_BUTTERFLY_4,
+ EL_BD_AMOEBA,
+ EL_CHAR_QUESTION,
+ EL_UNKNOWN,
+ -1
+ };
+
+ static int ep_sp_element[] =
+ {
+ /* should always be valid */
+ EL_EMPTY,
+
+ /* standard classic Supaplex elements */
+ EL_SP_EMPTY,
+ EL_SP_ZONK,
+ EL_SP_BASE,
+ EL_SP_MURPHY,
+ EL_SP_INFOTRON,
+ EL_SP_CHIP_SINGLE,
+ EL_SP_HARDWARE_GRAY,
+ EL_SP_EXIT_CLOSED,
+ EL_SP_EXIT_OPEN,
+ EL_SP_DISK_ORANGE,
+ EL_SP_PORT_RIGHT,
+ EL_SP_PORT_DOWN,
+ EL_SP_PORT_LEFT,
+ EL_SP_PORT_UP,
+ EL_SP_GRAVITY_PORT_RIGHT,
+ EL_SP_GRAVITY_PORT_DOWN,
+ EL_SP_GRAVITY_PORT_LEFT,
+ EL_SP_GRAVITY_PORT_UP,