+ for (x = 0; x < level->fieldx; x++)
+ {
+ for (y = 0; y < level->fieldy; y++)
+ {
+ int element_old = level_sp->playfield[x][y];
+ int element_new;
+
+ if (element_old <= 0x27)
+ element_new = getMappedElement(EL_SP_START + element_old);
+ else if (element_old == 0x28)
+ element_new = EL_INVISIBLE_WALL;
+ else
+ {
+ Error(ERR_WARN, "invalid element %d at position %d, %d",
+ element_old, x, y);
+
+ element_new = EL_UNKNOWN;
+ }
+
+ level->field[x][y] = element_new;
+ }
+ }
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ level->initial_player_gravity[i] =
+ (header->InitialGravity == 1 ? TRUE : FALSE);
+
+ for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
+ level->name[i] = header->LevelTitle[i];
+ level->name[SP_LEVEL_NAME_LEN] = '\0';
+
+ level->gems_needed = header->InfotronsNeeded;
+
+ for (i = 0; i < header->SpecialPortCount; i++)
+ {
+ SpecialPortType *port = &header->SpecialPort[i];
+ int port_location = port->PortLocation;
+ int gravity = port->Gravity;
+ int port_x, port_y, port_element;
+
+ port_x = (port_location / 2) % level->fieldx;
+ port_y = (port_location / 2) / level->fieldx;
+
+ if (port_x < 0 || port_x >= level->fieldx ||
+ port_y < 0 || port_y >= level->fieldy)
+ {
+ Error(ERR_WARN, "special port position (%d, %d) out of bounds",
+ port_x, port_y);
+
+ continue;
+ }
+
+ port_element = level->field[port_x][port_y];
+
+ if (port_element < EL_SP_GRAVITY_PORT_RIGHT ||
+ port_element > EL_SP_GRAVITY_PORT_UP)
+ {
+ Error(ERR_WARN, "no special port at position (%d, %d)", port_x, port_y);
+
+ continue;
+ }
+
+ /* change previous (wrong) gravity inverting special port to either
+ gravity enabling special port or gravity disabling special port */
+ level->field[port_x][port_y] +=
+ (gravity == 1 ? EL_SP_GRAVITY_ON_PORT_RIGHT :
+ EL_SP_GRAVITY_OFF_PORT_RIGHT) - EL_SP_GRAVITY_PORT_RIGHT;
+ }
+
+ /* change special gravity ports without database entries to normal ports */
+ for (x = 0; x < level->fieldx; x++)
+ for (y = 0; y < level->fieldy; y++)
+ if (level->field[x][y] >= EL_SP_GRAVITY_PORT_RIGHT &&
+ level->field[x][y] <= EL_SP_GRAVITY_PORT_UP)
+ level->field[x][y] += EL_SP_PORT_RIGHT - EL_SP_GRAVITY_PORT_RIGHT;
+
+ level->time = 0; /* no time limit */
+ level->amoeba_speed = 0;
+ level->time_magic_wall = 0;
+ level->time_wheel = 0;
+ level->amoeba_content = EL_EMPTY;
+
+#if 1
+ /* original Supaplex does not use score values -- use default values */
+#else
+ for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
+ level->score[i] = 0;
+#endif
+
+ /* there are no yamyams in supaplex levels */
+ for (i = 0; i < level->num_yamyam_contents; i++)
+ for (x = 0; x < 3; x++)
+ for (y = 0; y < 3; y++)
+ level->yamyam_content[i].e[x][y] = EL_EMPTY;
+}
+
+static void CopyNativeTape_RND_to_SP(struct LevelInfo *level)
+{
+ struct LevelInfo_SP *level_sp = level->native_sp_level;
+ struct DemoInfo_SP *demo = &level_sp->demo;
+ int i, j;
+
+ /* always start with reliable default values */
+ demo->is_available = FALSE;
+ demo->length = 0;
+
+ if (TAPE_IS_EMPTY(tape))
+ return;
+
+ demo->level_nr = tape.level_nr; /* (currently not used) */
+
+ level_sp->header.DemoRandomSeed = tape.random_seed;
+
+ demo->length = 0;
+ for (i = 0; i < tape.length; i++)
+ {
+ int demo_action = map_key_RND_to_SP(tape.pos[i].action[0]);
+ int demo_repeat = tape.pos[i].delay;
+
+ for (j = 0; j < demo_repeat / 16; j++)
+ demo->data[demo->length++] = 0xf0 | demo_action;
+
+ if (demo_repeat % 16)
+ demo->data[demo->length++] = ((demo_repeat % 16 - 1) << 4) | demo_action;
+ }
+
+ demo->data[demo->length++] = 0xff;
+
+ demo->is_available = TRUE;
+}
+
+static void setTapeInfoToDefaults();
+
+static void CopyNativeTape_SP_to_RND(struct LevelInfo *level)
+{
+ struct LevelInfo_SP *level_sp = level->native_sp_level;
+ struct DemoInfo_SP *demo = &level_sp->demo;
+ char *filename = level->file_info.filename;
+ int i;
+
+ /* always start with reliable default values */
+ setTapeInfoToDefaults();
+
+ if (!demo->is_available)
+ return;
+
+ tape.level_nr = demo->level_nr; /* (currently not used) */
+ tape.length = demo->length - 1; /* without "end of demo" byte */
+ tape.random_seed = level_sp->header.DemoRandomSeed;
+
+ TapeSetDateFromEpochSeconds(getFileTimestampEpochSeconds(filename));
+
+ for (i = 0; i < demo->length - 1; i++)
+ {
+ int demo_action = demo->data[i] & 0x0f;
+ int demo_repeat = (demo->data[i] & 0xf0) >> 4;
+
+ tape.pos[i].action[0] = map_key_SP_to_RND(demo_action);
+ tape.pos[i].delay = demo_repeat + 1;
+ }
+
+ tape.length_seconds = GetTapeLength();
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading DC level */
+/* ------------------------------------------------------------------------- */
+
+#define DC_LEVEL_HEADER_SIZE 344
+
+unsigned short getDecodedWord_DC(unsigned short data_encoded, boolean init)
+{
+ static int last_data_encoded;
+ static int offset1;
+ static int offset2;
+ int diff;
+ int diff_hi, diff_lo;
+ int data_hi, data_lo;
+ unsigned short data_decoded;
+
+ if (init)
+ {
+ last_data_encoded = 0;
+ offset1 = -1;
+ offset2 = 0;
+
+ return 0;
+ }
+
+ diff = data_encoded - last_data_encoded;
+ diff_hi = diff & ~0xff;
+ diff_lo = diff & 0xff;
+
+ offset2 += diff_lo;
+
+ data_hi = diff_hi - (offset1 << 8) + (offset2 & 0xff00);
+ data_lo = (diff_lo + (data_hi >> 16)) & 0x00ff;
+ data_hi = data_hi & 0xff00;
+
+ data_decoded = data_hi | data_lo;
+
+ last_data_encoded = data_encoded;
+
+ offset1 = (offset1 + 1) % 31;
+ offset2 = offset2 & 0xff;
+
+ return data_decoded;
+}
+
+int getMappedElement_DC(int element)
+{
+ switch (element)
+ {
+ case 0x0000:
+ element = EL_ROCK;
+ break;
+
+ /* 0x0117 - 0x036e: (?) */
+ /* EL_DIAMOND */
+
+ /* 0x042d - 0x0684: (?) */
+ /* EL_EMERALD */
+
+ case 0x06f1:
+ element = EL_NUT;
+ break;
+
+ case 0x074c:
+ element = EL_BOMB;
+ break;
+
+ case 0x07a4:
+ element = EL_PEARL;
+ break;
+
+ case 0x0823:
+ element = EL_CRYSTAL;
+ break;
+
+ case 0x0e77: /* quicksand (boulder) */
+ element = EL_QUICKSAND_FAST_FULL;
+ break;
+
+ case 0x0e99: /* slow quicksand (boulder) */
+ element = EL_QUICKSAND_FULL;
+ break;
+
+ case 0x0ed2:
+ element = EL_EM_EXIT_OPEN;
+ break;
+
+ case 0x0ee3:
+ element = EL_EM_EXIT_CLOSED;
+ break;
+
+ case 0x0eeb:
+ element = EL_EM_STEEL_EXIT_OPEN;
+ break;
+
+ case 0x0efc:
+ element = EL_EM_STEEL_EXIT_CLOSED;
+ break;
+
+ case 0x0f4f: /* dynamite (lit 1) */
+ element = EL_EM_DYNAMITE_ACTIVE;
+ break;
+
+ case 0x0f57: /* dynamite (lit 2) */
+ element = EL_EM_DYNAMITE_ACTIVE;
+ break;
+
+ case 0x0f5f: /* dynamite (lit 3) */
+ element = EL_EM_DYNAMITE_ACTIVE;
+ break;
+
+ case 0x0f67: /* dynamite (lit 4) */
+ element = EL_EM_DYNAMITE_ACTIVE;
+ break;
+
+ case 0x0f81:
+ case 0x0f82:
+ case 0x0f83:
+ case 0x0f84:
+ element = EL_AMOEBA_WET;
+ break;
+
+ case 0x0f85:
+ element = EL_AMOEBA_DROP;
+ break;
+
+ case 0x0fb9:
+ element = EL_DC_MAGIC_WALL;
+ break;
+
+ case 0x0fd0:
+ element = EL_SPACESHIP_UP;
+ break;
+
+ case 0x0fd9:
+ element = EL_SPACESHIP_DOWN;
+ break;
+
+ case 0x0ff1:
+ element = EL_SPACESHIP_LEFT;
+ break;
+
+ case 0x0ff9:
+ element = EL_SPACESHIP_RIGHT;
+ break;
+
+ case 0x1057:
+ element = EL_BUG_UP;
+ break;
+
+ case 0x1060:
+ element = EL_BUG_DOWN;
+ break;
+
+ case 0x1078:
+ element = EL_BUG_LEFT;
+ break;
+
+ case 0x1080:
+ element = EL_BUG_RIGHT;
+ break;
+
+ case 0x10de:
+ element = EL_MOLE_UP;
+ break;
+
+ case 0x10e7:
+ element = EL_MOLE_DOWN;
+ break;
+
+ case 0x10ff:
+ element = EL_MOLE_LEFT;
+ break;
+
+ case 0x1107:
+ element = EL_MOLE_RIGHT;
+ break;
+
+ case 0x11c0:
+ element = EL_ROBOT;
+ break;
+
+ case 0x13f5:
+ element = EL_YAMYAM;
+ break;
+
+ case 0x1425:
+ element = EL_SWITCHGATE_OPEN;
+ break;
+
+ case 0x1426:
+ element = EL_SWITCHGATE_CLOSED;
+ break;
+
+ case 0x1437:
+ element = EL_DC_SWITCHGATE_SWITCH_UP;
+ break;
+
+ case 0x143a:
+ element = EL_TIMEGATE_CLOSED;
+ break;
+
+ case 0x144c: /* conveyor belt switch (green) */
+ element = EL_CONVEYOR_BELT_3_SWITCH_MIDDLE;
+ break;
+
+ case 0x144f: /* conveyor belt switch (red) */
+ element = EL_CONVEYOR_BELT_1_SWITCH_MIDDLE;
+ break;
+
+ case 0x1452: /* conveyor belt switch (blue) */
+ element = EL_CONVEYOR_BELT_4_SWITCH_MIDDLE;
+ break;
+
+ case 0x145b:
+ element = EL_CONVEYOR_BELT_3_MIDDLE;
+ break;
+
+ case 0x1463:
+ element = EL_CONVEYOR_BELT_3_LEFT;
+ break;
+
+ case 0x146b:
+ element = EL_CONVEYOR_BELT_3_RIGHT;
+ break;
+
+ case 0x1473:
+ element = EL_CONVEYOR_BELT_1_MIDDLE;
+ break;
+
+ case 0x147b:
+ element = EL_CONVEYOR_BELT_1_LEFT;
+ break;
+
+ case 0x1483:
+ element = EL_CONVEYOR_BELT_1_RIGHT;
+ break;
+
+ case 0x148b:
+ element = EL_CONVEYOR_BELT_4_MIDDLE;
+ break;
+
+ case 0x1493:
+ element = EL_CONVEYOR_BELT_4_LEFT;
+ break;
+
+ case 0x149b:
+ element = EL_CONVEYOR_BELT_4_RIGHT;
+ break;
+
+ case 0x14ac:
+ element = EL_EXPANDABLE_WALL_HORIZONTAL;
+ break;
+
+ case 0x14bd:
+ element = EL_EXPANDABLE_WALL_VERTICAL;
+ break;
+
+ case 0x14c6:
+ element = EL_EXPANDABLE_WALL_ANY;
+ break;
+
+ case 0x14ce: /* growing steel wall (left/right) */
+ element = EL_EXPANDABLE_STEELWALL_HORIZONTAL;
+ break;
+
+ case 0x14df: /* growing steel wall (up/down) */
+ element = EL_EXPANDABLE_STEELWALL_VERTICAL;
+ break;
+
+ case 0x14e8: /* growing steel wall (up/down/left/right) */
+ element = EL_EXPANDABLE_STEELWALL_ANY;
+ break;
+
+ case 0x14e9:
+ element = EL_SHIELD_DEADLY;
+ break;
+
+ case 0x1501:
+ element = EL_EXTRA_TIME;
+ break;
+
+ case 0x154f:
+ element = EL_ACID;
+ break;
+
+ case 0x1577:
+ element = EL_EMPTY_SPACE;
+ break;
+
+ case 0x1578: /* quicksand (empty) */
+ element = EL_QUICKSAND_FAST_EMPTY;
+ break;
+
+ case 0x1579: /* slow quicksand (empty) */
+ element = EL_QUICKSAND_EMPTY;
+ break;
+
+ /* 0x157c - 0x158b: */
+ /* EL_SAND */
+
+ /* 0x1590 - 0x159f: */
+ /* EL_DC_LANDMINE */
+
+ case 0x15a0:
+ element = EL_EM_DYNAMITE;
+ break;
+
+ case 0x15a1: /* key (red) */
+ element = EL_EM_KEY_1;
+ break;
+
+ case 0x15a2: /* key (yellow) */
+ element = EL_EM_KEY_2;
+ break;
+
+ case 0x15a3: /* key (blue) */
+ element = EL_EM_KEY_4;
+ break;
+
+ case 0x15a4: /* key (green) */
+ element = EL_EM_KEY_3;
+ break;
+
+ case 0x15a5: /* key (white) */
+ element = EL_DC_KEY_WHITE;
+ break;
+
+ case 0x15a6:
+ element = EL_WALL_SLIPPERY;
+ break;
+
+ case 0x15a7:
+ element = EL_WALL;
+ break;
+
+ case 0x15a8: /* wall (not round) */
+ element = EL_WALL;
+ break;
+
+ case 0x15a9: /* (blue) */
+ element = EL_CHAR_A;
+ break;
+
+ case 0x15aa: /* (blue) */
+ element = EL_CHAR_B;
+ break;
+
+ case 0x15ab: /* (blue) */
+ element = EL_CHAR_C;
+ break;
+
+ case 0x15ac: /* (blue) */
+ element = EL_CHAR_D;
+ break;
+
+ case 0x15ad: /* (blue) */
+ element = EL_CHAR_E;
+ break;
+
+ case 0x15ae: /* (blue) */
+ element = EL_CHAR_F;
+ break;
+
+ case 0x15af: /* (blue) */
+ element = EL_CHAR_G;
+ break;
+
+ case 0x15b0: /* (blue) */
+ element = EL_CHAR_H;
+ break;
+
+ case 0x15b1: /* (blue) */
+ element = EL_CHAR_I;
+ break;
+
+ case 0x15b2: /* (blue) */
+ element = EL_CHAR_J;
+ break;
+
+ case 0x15b3: /* (blue) */
+ element = EL_CHAR_K;
+ break;
+
+ case 0x15b4: /* (blue) */
+ element = EL_CHAR_L;
+ break;
+
+ case 0x15b5: /* (blue) */
+ element = EL_CHAR_M;
+ break;
+
+ case 0x15b6: /* (blue) */
+ element = EL_CHAR_N;
+ break;
+
+ case 0x15b7: /* (blue) */
+ element = EL_CHAR_O;
+ break;
+
+ case 0x15b8: /* (blue) */
+ element = EL_CHAR_P;
+ break;
+
+ case 0x15b9: /* (blue) */
+ element = EL_CHAR_Q;
+ break;
+
+ case 0x15ba: /* (blue) */
+ element = EL_CHAR_R;
+ break;
+
+ case 0x15bb: /* (blue) */
+ element = EL_CHAR_S;
+ break;
+
+ case 0x15bc: /* (blue) */
+ element = EL_CHAR_T;
+ break;
+
+ case 0x15bd: /* (blue) */
+ element = EL_CHAR_U;
+ break;
+
+ case 0x15be: /* (blue) */
+ element = EL_CHAR_V;
+ break;
+
+ case 0x15bf: /* (blue) */
+ element = EL_CHAR_W;
+ break;
+
+ case 0x15c0: /* (blue) */
+ element = EL_CHAR_X;
+ break;
+
+ case 0x15c1: /* (blue) */
+ element = EL_CHAR_Y;
+ break;
+
+ case 0x15c2: /* (blue) */
+ element = EL_CHAR_Z;
+ break;
+
+ case 0x15c3: /* (blue) */
+ element = EL_CHAR_AUMLAUT;
+ break;
+
+ case 0x15c4: /* (blue) */
+ element = EL_CHAR_OUMLAUT;
+ break;
+
+ case 0x15c5: /* (blue) */
+ element = EL_CHAR_UUMLAUT;
+ break;
+
+ case 0x15c6: /* (blue) */
+ element = EL_CHAR_0;
+ break;
+
+ case 0x15c7: /* (blue) */
+ element = EL_CHAR_1;
+ break;
+
+ case 0x15c8: /* (blue) */
+ element = EL_CHAR_2;
+ break;
+
+ case 0x15c9: /* (blue) */
+ element = EL_CHAR_3;
+ break;
+
+ case 0x15ca: /* (blue) */
+ element = EL_CHAR_4;
+ break;
+
+ case 0x15cb: /* (blue) */
+ element = EL_CHAR_5;
+ break;
+
+ case 0x15cc: /* (blue) */
+ element = EL_CHAR_6;
+ break;
+
+ case 0x15cd: /* (blue) */
+ element = EL_CHAR_7;
+ break;
+
+ case 0x15ce: /* (blue) */
+ element = EL_CHAR_8;
+ break;
+
+ case 0x15cf: /* (blue) */
+ element = EL_CHAR_9;
+ break;
+
+ case 0x15d0: /* (blue) */
+ element = EL_CHAR_PERIOD;
+ break;
+
+ case 0x15d1: /* (blue) */
+ element = EL_CHAR_EXCLAM;
+ break;
+
+ case 0x15d2: /* (blue) */
+ element = EL_CHAR_COLON;
+ break;
+
+ case 0x15d3: /* (blue) */
+ element = EL_CHAR_LESS;
+ break;
+
+ case 0x15d4: /* (blue) */
+ element = EL_CHAR_GREATER;
+ break;
+
+ case 0x15d5: /* (blue) */
+ element = EL_CHAR_QUESTION;
+ break;
+
+ case 0x15d6: /* (blue) */
+ element = EL_CHAR_COPYRIGHT;
+ break;
+
+ case 0x15d7: /* (blue) */
+ element = EL_CHAR_UP;
+ break;
+
+ case 0x15d8: /* (blue) */
+ element = EL_CHAR_DOWN;
+ break;
+
+ case 0x15d9: /* (blue) */
+ element = EL_CHAR_BUTTON;
+ break;
+
+ case 0x15da: /* (blue) */
+ element = EL_CHAR_PLUS;
+ break;
+
+ case 0x15db: /* (blue) */
+ element = EL_CHAR_MINUS;
+ break;
+
+ case 0x15dc: /* (blue) */
+ element = EL_CHAR_APOSTROPHE;
+ break;
+
+ case 0x15dd: /* (blue) */
+ element = EL_CHAR_PARENLEFT;
+ break;
+
+ case 0x15de: /* (blue) */
+ element = EL_CHAR_PARENRIGHT;
+ break;
+
+ case 0x15df: /* (green) */
+ element = EL_CHAR_A;
+ break;
+
+ case 0x15e0: /* (green) */
+ element = EL_CHAR_B;
+ break;
+
+ case 0x15e1: /* (green) */
+ element = EL_CHAR_C;
+ break;
+
+ case 0x15e2: /* (green) */
+ element = EL_CHAR_D;
+ break;
+
+ case 0x15e3: /* (green) */
+ element = EL_CHAR_E;
+ break;
+
+ case 0x15e4: /* (green) */
+ element = EL_CHAR_F;
+ break;
+
+ case 0x15e5: /* (green) */
+ element = EL_CHAR_G;
+ break;
+
+ case 0x15e6: /* (green) */
+ element = EL_CHAR_H;
+ break;
+
+ case 0x15e7: /* (green) */
+ element = EL_CHAR_I;
+ break;
+
+ case 0x15e8: /* (green) */
+ element = EL_CHAR_J;
+ break;
+
+ case 0x15e9: /* (green) */
+ element = EL_CHAR_K;
+ break;
+
+ case 0x15ea: /* (green) */
+ element = EL_CHAR_L;
+ break;
+
+ case 0x15eb: /* (green) */
+ element = EL_CHAR_M;
+ break;
+
+ case 0x15ec: /* (green) */
+ element = EL_CHAR_N;
+ break;
+
+ case 0x15ed: /* (green) */
+ element = EL_CHAR_O;
+ break;
+
+ case 0x15ee: /* (green) */
+ element = EL_CHAR_P;
+ break;
+
+ case 0x15ef: /* (green) */
+ element = EL_CHAR_Q;
+ break;
+
+ case 0x15f0: /* (green) */
+ element = EL_CHAR_R;
+ break;
+
+ case 0x15f1: /* (green) */
+ element = EL_CHAR_S;
+ break;
+
+ case 0x15f2: /* (green) */
+ element = EL_CHAR_T;
+ break;
+
+ case 0x15f3: /* (green) */
+ element = EL_CHAR_U;
+ break;
+
+ case 0x15f4: /* (green) */
+ element = EL_CHAR_V;
+ break;
+
+ case 0x15f5: /* (green) */
+ element = EL_CHAR_W;
+ break;
+
+ case 0x15f6: /* (green) */
+ element = EL_CHAR_X;
+ break;
+
+ case 0x15f7: /* (green) */
+ element = EL_CHAR_Y;
+ break;
+
+ case 0x15f8: /* (green) */
+ element = EL_CHAR_Z;
+ break;
+
+ case 0x15f9: /* (green) */
+ element = EL_CHAR_AUMLAUT;
+ break;
+
+ case 0x15fa: /* (green) */
+ element = EL_CHAR_OUMLAUT;
+ break;
+
+ case 0x15fb: /* (green) */
+ element = EL_CHAR_UUMLAUT;
+ break;
+
+ case 0x15fc: /* (green) */
+ element = EL_CHAR_0;
+ break;
+
+ case 0x15fd: /* (green) */
+ element = EL_CHAR_1;
+ break;
+
+ case 0x15fe: /* (green) */
+ element = EL_CHAR_2;
+ break;
+
+ case 0x15ff: /* (green) */
+ element = EL_CHAR_3;
+ break;
+
+ case 0x1600: /* (green) */
+ element = EL_CHAR_4;
+ break;
+
+ case 0x1601: /* (green) */
+ element = EL_CHAR_5;
+ break;
+
+ case 0x1602: /* (green) */
+ element = EL_CHAR_6;
+ break;
+
+ case 0x1603: /* (green) */
+ element = EL_CHAR_7;
+ break;
+
+ case 0x1604: /* (green) */
+ element = EL_CHAR_8;
+ break;
+
+ case 0x1605: /* (green) */
+ element = EL_CHAR_9;
+ break;
+
+ case 0x1606: /* (green) */
+ element = EL_CHAR_PERIOD;
+ break;
+
+ case 0x1607: /* (green) */
+ element = EL_CHAR_EXCLAM;
+ break;
+
+ case 0x1608: /* (green) */
+ element = EL_CHAR_COLON;
+ break;
+
+ case 0x1609: /* (green) */
+ element = EL_CHAR_LESS;
+ break;
+
+ case 0x160a: /* (green) */
+ element = EL_CHAR_GREATER;
+ break;
+
+ case 0x160b: /* (green) */
+ element = EL_CHAR_QUESTION;
+ break;
+
+ case 0x160c: /* (green) */
+ element = EL_CHAR_COPYRIGHT;
+ break;
+
+ case 0x160d: /* (green) */
+ element = EL_CHAR_UP;
+ break;
+
+ case 0x160e: /* (green) */
+ element = EL_CHAR_DOWN;
+ break;
+
+ case 0x160f: /* (green) */
+ element = EL_CHAR_BUTTON;
+ break;
+
+ case 0x1610: /* (green) */
+ element = EL_CHAR_PLUS;
+ break;
+
+ case 0x1611: /* (green) */
+ element = EL_CHAR_MINUS;
+ break;
+
+ case 0x1612: /* (green) */
+ element = EL_CHAR_APOSTROPHE;
+ break;
+
+ case 0x1613: /* (green) */
+ element = EL_CHAR_PARENLEFT;
+ break;
+
+ case 0x1614: /* (green) */
+ element = EL_CHAR_PARENRIGHT;
+ break;
+
+ case 0x1615: /* (blue steel) */
+ element = EL_STEEL_CHAR_A;
+ break;
+
+ case 0x1616: /* (blue steel) */
+ element = EL_STEEL_CHAR_B;
+ break;
+
+ case 0x1617: /* (blue steel) */
+ element = EL_STEEL_CHAR_C;
+ break;
+
+ case 0x1618: /* (blue steel) */
+ element = EL_STEEL_CHAR_D;
+ break;
+
+ case 0x1619: /* (blue steel) */
+ element = EL_STEEL_CHAR_E;
+ break;
+
+ case 0x161a: /* (blue steel) */
+ element = EL_STEEL_CHAR_F;
+ break;
+
+ case 0x161b: /* (blue steel) */
+ element = EL_STEEL_CHAR_G;
+ break;
+
+ case 0x161c: /* (blue steel) */
+ element = EL_STEEL_CHAR_H;
+ break;
+
+ case 0x161d: /* (blue steel) */
+ element = EL_STEEL_CHAR_I;
+ break;
+
+ case 0x161e: /* (blue steel) */
+ element = EL_STEEL_CHAR_J;
+ break;
+
+ case 0x161f: /* (blue steel) */
+ element = EL_STEEL_CHAR_K;
+ break;
+
+ case 0x1620: /* (blue steel) */
+ element = EL_STEEL_CHAR_L;
+ break;
+
+ case 0x1621: /* (blue steel) */
+ element = EL_STEEL_CHAR_M;
+ break;
+
+ case 0x1622: /* (blue steel) */
+ element = EL_STEEL_CHAR_N;
+ break;
+
+ case 0x1623: /* (blue steel) */
+ element = EL_STEEL_CHAR_O;
+ break;
+
+ case 0x1624: /* (blue steel) */
+ element = EL_STEEL_CHAR_P;
+ break;
+
+ case 0x1625: /* (blue steel) */
+ element = EL_STEEL_CHAR_Q;
+ break;
+
+ case 0x1626: /* (blue steel) */
+ element = EL_STEEL_CHAR_R;
+ break;
+
+ case 0x1627: /* (blue steel) */
+ element = EL_STEEL_CHAR_S;
+ break;
+
+ case 0x1628: /* (blue steel) */
+ element = EL_STEEL_CHAR_T;
+ break;
+
+ case 0x1629: /* (blue steel) */
+ element = EL_STEEL_CHAR_U;
+ break;
+
+ case 0x162a: /* (blue steel) */
+ element = EL_STEEL_CHAR_V;
+ break;
+
+ case 0x162b: /* (blue steel) */
+ element = EL_STEEL_CHAR_W;
+ break;
+
+ case 0x162c: /* (blue steel) */
+ element = EL_STEEL_CHAR_X;
+ break;
+
+ case 0x162d: /* (blue steel) */
+ element = EL_STEEL_CHAR_Y;
+ break;
+
+ case 0x162e: /* (blue steel) */
+ element = EL_STEEL_CHAR_Z;
+ break;
+
+ case 0x162f: /* (blue steel) */
+ element = EL_STEEL_CHAR_AUMLAUT;
+ break;
+
+ case 0x1630: /* (blue steel) */
+ element = EL_STEEL_CHAR_OUMLAUT;
+ break;
+
+ case 0x1631: /* (blue steel) */
+ element = EL_STEEL_CHAR_UUMLAUT;
+ break;
+
+ case 0x1632: /* (blue steel) */
+ element = EL_STEEL_CHAR_0;
+ break;
+
+ case 0x1633: /* (blue steel) */
+ element = EL_STEEL_CHAR_1;
+ break;
+
+ case 0x1634: /* (blue steel) */
+ element = EL_STEEL_CHAR_2;
+ break;
+
+ case 0x1635: /* (blue steel) */
+ element = EL_STEEL_CHAR_3;
+ break;
+
+ case 0x1636: /* (blue steel) */
+ element = EL_STEEL_CHAR_4;
+ break;
+
+ case 0x1637: /* (blue steel) */
+ element = EL_STEEL_CHAR_5;
+ break;
+
+ case 0x1638: /* (blue steel) */
+ element = EL_STEEL_CHAR_6;
+ break;
+
+ case 0x1639: /* (blue steel) */
+ element = EL_STEEL_CHAR_7;
+ break;
+
+ case 0x163a: /* (blue steel) */
+ element = EL_STEEL_CHAR_8;
+ break;
+
+ case 0x163b: /* (blue steel) */
+ element = EL_STEEL_CHAR_9;
+ break;
+
+ case 0x163c: /* (blue steel) */
+ element = EL_STEEL_CHAR_PERIOD;
+ break;
+
+ case 0x163d: /* (blue steel) */
+ element = EL_STEEL_CHAR_EXCLAM;
+ break;
+
+ case 0x163e: /* (blue steel) */
+ element = EL_STEEL_CHAR_COLON;
+ break;
+
+ case 0x163f: /* (blue steel) */
+ element = EL_STEEL_CHAR_LESS;
+ break;
+
+ case 0x1640: /* (blue steel) */
+ element = EL_STEEL_CHAR_GREATER;
+ break;
+
+ case 0x1641: /* (blue steel) */
+ element = EL_STEEL_CHAR_QUESTION;
+ break;
+
+ case 0x1642: /* (blue steel) */
+ element = EL_STEEL_CHAR_COPYRIGHT;
+ break;
+
+ case 0x1643: /* (blue steel) */
+ element = EL_STEEL_CHAR_UP;
+ break;
+
+ case 0x1644: /* (blue steel) */
+ element = EL_STEEL_CHAR_DOWN;
+ break;
+
+ case 0x1645: /* (blue steel) */
+ element = EL_STEEL_CHAR_BUTTON;
+ break;
+
+ case 0x1646: /* (blue steel) */
+ element = EL_STEEL_CHAR_PLUS;
+ break;
+
+ case 0x1647: /* (blue steel) */
+ element = EL_STEEL_CHAR_MINUS;
+ break;
+
+ case 0x1648: /* (blue steel) */
+ element = EL_STEEL_CHAR_APOSTROPHE;
+ break;
+
+ case 0x1649: /* (blue steel) */
+ element = EL_STEEL_CHAR_PARENLEFT;
+ break;
+
+ case 0x164a: /* (blue steel) */
+ element = EL_STEEL_CHAR_PARENRIGHT;
+ break;
+
+ case 0x164b: /* (green steel) */
+ element = EL_STEEL_CHAR_A;
+ break;
+
+ case 0x164c: /* (green steel) */
+ element = EL_STEEL_CHAR_B;
+ break;
+
+ case 0x164d: /* (green steel) */
+ element = EL_STEEL_CHAR_C;
+ break;
+
+ case 0x164e: /* (green steel) */
+ element = EL_STEEL_CHAR_D;
+ break;
+
+ case 0x164f: /* (green steel) */
+ element = EL_STEEL_CHAR_E;
+ break;
+
+ case 0x1650: /* (green steel) */
+ element = EL_STEEL_CHAR_F;
+ break;
+
+ case 0x1651: /* (green steel) */
+ element = EL_STEEL_CHAR_G;
+ break;
+
+ case 0x1652: /* (green steel) */
+ element = EL_STEEL_CHAR_H;
+ break;
+
+ case 0x1653: /* (green steel) */
+ element = EL_STEEL_CHAR_I;
+ break;
+
+ case 0x1654: /* (green steel) */
+ element = EL_STEEL_CHAR_J;
+ break;
+
+ case 0x1655: /* (green steel) */
+ element = EL_STEEL_CHAR_K;
+ break;
+
+ case 0x1656: /* (green steel) */
+ element = EL_STEEL_CHAR_L;
+ break;
+
+ case 0x1657: /* (green steel) */
+ element = EL_STEEL_CHAR_M;
+ break;
+
+ case 0x1658: /* (green steel) */
+ element = EL_STEEL_CHAR_N;
+ break;
+
+ case 0x1659: /* (green steel) */
+ element = EL_STEEL_CHAR_O;
+ break;
+
+ case 0x165a: /* (green steel) */
+ element = EL_STEEL_CHAR_P;
+ break;
+
+ case 0x165b: /* (green steel) */
+ element = EL_STEEL_CHAR_Q;
+ break;
+
+ case 0x165c: /* (green steel) */
+ element = EL_STEEL_CHAR_R;
+ break;
+
+ case 0x165d: /* (green steel) */
+ element = EL_STEEL_CHAR_S;
+ break;
+
+ case 0x165e: /* (green steel) */
+ element = EL_STEEL_CHAR_T;
+ break;
+
+ case 0x165f: /* (green steel) */
+ element = EL_STEEL_CHAR_U;
+ break;
+
+ case 0x1660: /* (green steel) */
+ element = EL_STEEL_CHAR_V;
+ break;
+
+ case 0x1661: /* (green steel) */
+ element = EL_STEEL_CHAR_W;
+ break;
+
+ case 0x1662: /* (green steel) */
+ element = EL_STEEL_CHAR_X;
+ break;
+
+ case 0x1663: /* (green steel) */
+ element = EL_STEEL_CHAR_Y;
+ break;
+
+ case 0x1664: /* (green steel) */
+ element = EL_STEEL_CHAR_Z;
+ break;
+
+ case 0x1665: /* (green steel) */
+ element = EL_STEEL_CHAR_AUMLAUT;
+ break;
+
+ case 0x1666: /* (green steel) */
+ element = EL_STEEL_CHAR_OUMLAUT;
+ break;
+
+ case 0x1667: /* (green steel) */
+ element = EL_STEEL_CHAR_UUMLAUT;
+ break;
+
+ case 0x1668: /* (green steel) */
+ element = EL_STEEL_CHAR_0;
+ break;
+
+ case 0x1669: /* (green steel) */
+ element = EL_STEEL_CHAR_1;
+ break;
+
+ case 0x166a: /* (green steel) */
+ element = EL_STEEL_CHAR_2;
+ break;
+
+ case 0x166b: /* (green steel) */
+ element = EL_STEEL_CHAR_3;
+ break;
+
+ case 0x166c: /* (green steel) */
+ element = EL_STEEL_CHAR_4;
+ break;
+
+ case 0x166d: /* (green steel) */
+ element = EL_STEEL_CHAR_5;
+ break;
+
+ case 0x166e: /* (green steel) */
+ element = EL_STEEL_CHAR_6;
+ break;
+
+ case 0x166f: /* (green steel) */
+ element = EL_STEEL_CHAR_7;
+ break;
+
+ case 0x1670: /* (green steel) */
+ element = EL_STEEL_CHAR_8;
+ break;
+
+ case 0x1671: /* (green steel) */
+ element = EL_STEEL_CHAR_9;
+ break;
+
+ case 0x1672: /* (green steel) */
+ element = EL_STEEL_CHAR_PERIOD;
+ break;
+
+ case 0x1673: /* (green steel) */
+ element = EL_STEEL_CHAR_EXCLAM;
+ break;
+
+ case 0x1674: /* (green steel) */
+ element = EL_STEEL_CHAR_COLON;
+ break;
+
+ case 0x1675: /* (green steel) */
+ element = EL_STEEL_CHAR_LESS;
+ break;
+
+ case 0x1676: /* (green steel) */
+ element = EL_STEEL_CHAR_GREATER;
+ break;
+
+ case 0x1677: /* (green steel) */
+ element = EL_STEEL_CHAR_QUESTION;
+ break;
+
+ case 0x1678: /* (green steel) */
+ element = EL_STEEL_CHAR_COPYRIGHT;
+ break;
+
+ case 0x1679: /* (green steel) */
+ element = EL_STEEL_CHAR_UP;
+ break;
+
+ case 0x167a: /* (green steel) */
+ element = EL_STEEL_CHAR_DOWN;
+ break;
+
+ case 0x167b: /* (green steel) */
+ element = EL_STEEL_CHAR_BUTTON;
+ break;
+
+ case 0x167c: /* (green steel) */
+ element = EL_STEEL_CHAR_PLUS;
+ break;
+
+ case 0x167d: /* (green steel) */
+ element = EL_STEEL_CHAR_MINUS;
+ break;
+
+ case 0x167e: /* (green steel) */
+ element = EL_STEEL_CHAR_APOSTROPHE;
+ break;
+
+ case 0x167f: /* (green steel) */
+ element = EL_STEEL_CHAR_PARENLEFT;
+ break;
+
+ case 0x1680: /* (green steel) */
+ element = EL_STEEL_CHAR_PARENRIGHT;
+ break;
+
+ case 0x1681: /* gate (red) */
+ element = EL_EM_GATE_1;
+ break;
+
+ case 0x1682: /* secret gate (red) */
+ element = EL_GATE_1_GRAY;
+ break;
+
+ case 0x1683: /* gate (yellow) */
+ element = EL_EM_GATE_2;
+ break;
+
+ case 0x1684: /* secret gate (yellow) */
+ element = EL_GATE_2_GRAY;
+ break;
+
+ case 0x1685: /* gate (blue) */
+ element = EL_EM_GATE_4;
+ break;
+
+ case 0x1686: /* secret gate (blue) */
+ element = EL_GATE_4_GRAY;
+ break;
+
+ case 0x1687: /* gate (green) */
+ element = EL_EM_GATE_3;
+ break;
+
+ case 0x1688: /* secret gate (green) */
+ element = EL_GATE_3_GRAY;
+ break;
+
+ case 0x1689: /* gate (white) */
+ element = EL_DC_GATE_WHITE;
+ break;
+
+ case 0x168a: /* secret gate (white) */
+ element = EL_DC_GATE_WHITE_GRAY;
+ break;
+
+ case 0x168b: /* secret gate (no key) */
+ element = EL_DC_GATE_FAKE_GRAY;
+ break;
+
+ case 0x168c:
+ element = EL_ROBOT_WHEEL;
+ break;
+
+ case 0x168d:
+ element = EL_DC_TIMEGATE_SWITCH;
+ break;
+
+ case 0x168e:
+ element = EL_ACID_POOL_BOTTOM;
+ break;
+
+ case 0x168f:
+ element = EL_ACID_POOL_TOPLEFT;
+ break;
+
+ case 0x1690:
+ element = EL_ACID_POOL_TOPRIGHT;
+ break;
+
+ case 0x1691:
+ element = EL_ACID_POOL_BOTTOMLEFT;
+ break;
+
+ case 0x1692:
+ element = EL_ACID_POOL_BOTTOMRIGHT;
+ break;
+
+ case 0x1693:
+ element = EL_STEELWALL;
+ break;
+
+ case 0x1694:
+ element = EL_STEELWALL_SLIPPERY;
+ break;
+
+ case 0x1695: /* steel wall (not round) */
+ element = EL_STEELWALL;
+ break;
+
+ case 0x1696: /* steel wall (left) */
+ element = EL_DC_STEELWALL_1_LEFT;
+ break;
+
+ case 0x1697: /* steel wall (bottom) */
+ element = EL_DC_STEELWALL_1_BOTTOM;
+ break;
+
+ case 0x1698: /* steel wall (right) */
+ element = EL_DC_STEELWALL_1_RIGHT;
+ break;
+
+ case 0x1699: /* steel wall (top) */
+ element = EL_DC_STEELWALL_1_TOP;
+ break;
+
+ case 0x169a: /* steel wall (left/bottom) */
+ element = EL_DC_STEELWALL_1_BOTTOMLEFT;
+ break;
+
+ case 0x169b: /* steel wall (right/bottom) */
+ element = EL_DC_STEELWALL_1_BOTTOMRIGHT;
+ break;
+
+ case 0x169c: /* steel wall (right/top) */
+ element = EL_DC_STEELWALL_1_TOPRIGHT;
+ break;
+
+ case 0x169d: /* steel wall (left/top) */
+ element = EL_DC_STEELWALL_1_TOPLEFT;
+ break;
+
+ case 0x169e: /* steel wall (right/bottom small) */
+ element = EL_DC_STEELWALL_1_BOTTOMRIGHT_2;
+ break;
+
+ case 0x169f: /* steel wall (left/bottom small) */
+ element = EL_DC_STEELWALL_1_BOTTOMLEFT_2;
+ break;
+
+ case 0x16a0: /* steel wall (right/top small) */
+ element = EL_DC_STEELWALL_1_TOPRIGHT_2;
+ break;
+
+ case 0x16a1: /* steel wall (left/top small) */
+ element = EL_DC_STEELWALL_1_TOPLEFT_2;
+ break;
+
+ case 0x16a2: /* steel wall (left/right) */
+ element = EL_DC_STEELWALL_1_VERTICAL;
+ break;
+
+ case 0x16a3: /* steel wall (top/bottom) */
+ element = EL_DC_STEELWALL_1_HORIZONTAL;
+ break;
+
+ case 0x16a4: /* steel wall 2 (left end) */
+ element = EL_DC_STEELWALL_2_LEFT;
+ break;
+
+ case 0x16a5: /* steel wall 2 (right end) */
+ element = EL_DC_STEELWALL_2_RIGHT;
+ break;
+
+ case 0x16a6: /* steel wall 2 (top end) */
+ element = EL_DC_STEELWALL_2_TOP;
+ break;
+
+ case 0x16a7: /* steel wall 2 (bottom end) */
+ element = EL_DC_STEELWALL_2_BOTTOM;
+ break;
+
+ case 0x16a8: /* steel wall 2 (left/right) */
+ element = EL_DC_STEELWALL_2_HORIZONTAL;
+ break;
+
+ case 0x16a9: /* steel wall 2 (up/down) */
+ element = EL_DC_STEELWALL_2_VERTICAL;
+ break;
+
+ case 0x16aa: /* steel wall 2 (mid) */
+ element = EL_DC_STEELWALL_2_MIDDLE;
+ break;
+
+ case 0x16ab:
+ element = EL_SIGN_EXCLAMATION;
+ break;
+
+ case 0x16ac:
+ element = EL_SIGN_RADIOACTIVITY;
+ break;
+
+ case 0x16ad:
+ element = EL_SIGN_STOP;
+ break;
+
+ case 0x16ae:
+ element = EL_SIGN_WHEELCHAIR;
+ break;
+
+ case 0x16af:
+ element = EL_SIGN_PARKING;
+ break;
+
+ case 0x16b0:
+ element = EL_SIGN_NO_ENTRY;
+ break;
+
+ case 0x16b1:
+ element = EL_SIGN_HEART;
+ break;
+
+ case 0x16b2:
+ element = EL_SIGN_GIVE_WAY;
+ break;
+
+ case 0x16b3:
+ element = EL_SIGN_ENTRY_FORBIDDEN;
+ break;
+
+ case 0x16b4:
+ element = EL_SIGN_EMERGENCY_EXIT;
+ break;
+
+ case 0x16b5:
+ element = EL_SIGN_YIN_YANG;
+ break;
+
+ case 0x16b6:
+ element = EL_WALL_EMERALD;
+ break;
+
+ case 0x16b7:
+ element = EL_WALL_DIAMOND;
+ break;
+
+ case 0x16b8:
+ element = EL_WALL_PEARL;
+ break;
+
+ case 0x16b9:
+ element = EL_WALL_CRYSTAL;
+ break;
+
+ case 0x16ba:
+ element = EL_INVISIBLE_WALL;
+ break;
+
+ case 0x16bb:
+ element = EL_INVISIBLE_STEELWALL;
+ break;
+
+ /* 0x16bc - 0x16cb: */
+ /* EL_INVISIBLE_SAND */
+
+ case 0x16cc:
+ element = EL_LIGHT_SWITCH;
+ break;
+
+ case 0x16cd:
+ element = EL_ENVELOPE_1;
+ break;
+
+ default:
+ if (element >= 0x0117 && element <= 0x036e) /* (?) */
+ element = EL_DIAMOND;
+ else if (element >= 0x042d && element <= 0x0684) /* (?) */
+ element = EL_EMERALD;
+ else if (element >= 0x157c && element <= 0x158b)
+ element = EL_SAND;
+ else if (element >= 0x1590 && element <= 0x159f)
+ element = EL_DC_LANDMINE;
+ else if (element >= 0x16bc && element <= 0x16cb)
+ element = EL_INVISIBLE_SAND;
+ else
+ {
+ Error(ERR_WARN, "unknown Diamond Caves element 0x%04x", element);
+ element = EL_UNKNOWN;
+ }
+ break;
+ }
+
+ return getMappedElement(element);
+}
+
+#if 1
+
+static void LoadLevelFromFileStream_DC(FILE *file, struct LevelInfo *level,
+ int nr)
+{
+ byte header[DC_LEVEL_HEADER_SIZE];
+ int envelope_size;
+ int envelope_header_pos = 62;
+ int envelope_content_pos = 94;
+ int level_name_pos = 251;
+ int level_author_pos = 292;
+ int envelope_header_len;
+ int envelope_content_len;
+ int level_name_len;
+ int level_author_len;
+ int fieldx, fieldy;
+ int num_yamyam_contents;
+ int i, x, y;
+
+ getDecodedWord_DC(0, TRUE); /* initialize DC2 decoding engine */
+
+ for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
+ {
+ unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+
+ header[i * 2 + 0] = header_word >> 8;
+ header[i * 2 + 1] = header_word & 0xff;
+ }
+
+ /* read some values from level header to check level decoding integrity */
+ fieldx = header[6] | (header[7] << 8);
+ fieldy = header[8] | (header[9] << 8);
+ num_yamyam_contents = header[60] | (header[61] << 8);
+
+ /* do some simple sanity checks to ensure that level was correctly decoded */
+ if (fieldx < 1 || fieldx > 256 ||
+ fieldy < 1 || fieldy > 256 ||
+ num_yamyam_contents < 1 || num_yamyam_contents > 8)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot decode level from stream -- using empty level");
+
+ return;
+ }
+
+ /* maximum envelope header size is 31 bytes */
+ envelope_header_len = header[envelope_header_pos];
+ /* maximum envelope content size is 110 (156?) bytes */
+ envelope_content_len = header[envelope_content_pos];
+
+ /* maximum level title size is 40 bytes */
+ level_name_len = MIN(header[level_name_pos], MAX_LEVEL_NAME_LEN);
+ /* maximum level author size is 30 (51?) bytes */
+ level_author_len = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN);
+
+ envelope_size = 0;
+
+ for (i = 0; i < envelope_header_len; i++)
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] =
+ header[envelope_header_pos + 1 + i];
+
+ if (envelope_header_len > 0 && envelope_content_len > 0)
+ {
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] = '\n';
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] = '\n';
+ }
+
+ for (i = 0; i < envelope_content_len; i++)
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] =
+ header[envelope_content_pos + 1 + i];
+
+ level->envelope[0].text[envelope_size] = '\0';
+
+ level->envelope[0].xsize = MAX_ENVELOPE_XSIZE;
+ level->envelope[0].ysize = 10;
+ level->envelope[0].autowrap = TRUE;
+ level->envelope[0].centered = TRUE;
+
+ for (i = 0; i < level_name_len; i++)
+ level->name[i] = header[level_name_pos + 1 + i];
+ level->name[level_name_len] = '\0';
+
+ for (i = 0; i < level_author_len; i++)
+ level->author[i] = header[level_author_pos + 1 + i];
+ level->author[level_author_len] = '\0';
+
+ num_yamyam_contents = header[60] | (header[61] << 8);
+ level->num_yamyam_contents =
+ MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS);
+
+ for (i = 0; i < num_yamyam_contents; i++)
+ {
+ for (y = 0; y < 3; y++) for (x = 0; x < 3; x++)
+ {
+ unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+ int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+ int element_dc = word;
+#endif
+
+ if (i < MAX_ELEMENT_CONTENTS)
+ level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc);
+ }
+ }
+
+ fieldx = header[6] | (header[7] << 8);
+ fieldy = header[8] | (header[9] << 8);
+ level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX);
+ level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY);
+
+ for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++)
+ {
+ unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+ int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+ int element_dc = word;
+#endif
+
+ if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY)
+ level->field[x][y] = getMappedElement_DC(element_dc);
+ }
+
+ x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1);
+ y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1);
+ level->field[x][y] = EL_PLAYER_1;
+
+ x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1);
+ y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1);
+ level->field[x][y] = EL_PLAYER_2;
+
+ level->gems_needed = header[18] | (header[19] << 8);
+
+ level->score[SC_EMERALD] = header[20] | (header[21] << 8);
+ level->score[SC_DIAMOND] = header[22] | (header[23] << 8);
+ level->score[SC_PEARL] = header[24] | (header[25] << 8);
+ level->score[SC_CRYSTAL] = header[26] | (header[27] << 8);
+ level->score[SC_NUT] = header[28] | (header[29] << 8);
+ level->score[SC_ROBOT] = header[30] | (header[31] << 8);
+ level->score[SC_SPACESHIP] = header[32] | (header[33] << 8);
+ level->score[SC_BUG] = header[34] | (header[35] << 8);
+ level->score[SC_YAMYAM] = header[36] | (header[37] << 8);
+ level->score[SC_DYNAMITE] = header[38] | (header[39] << 8);
+ level->score[SC_KEY] = header[40] | (header[41] << 8);
+ level->score[SC_TIME_BONUS] = header[42] | (header[43] << 8);
+
+ level->time = header[44] | (header[45] << 8);
+
+ level->amoeba_speed = header[46] | (header[47] << 8);
+ level->time_light = header[48] | (header[49] << 8);
+ level->time_timegate = header[50] | (header[51] << 8);
+ level->time_wheel = header[52] | (header[53] << 8);
+ level->time_magic_wall = header[54] | (header[55] << 8);
+ level->extra_time = header[56] | (header[57] << 8);
+ level->shield_normal_time = header[58] | (header[59] << 8);
+
+ /* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
+ can slip down from flat walls, like normal walls and steel walls */
+ level->em_slippery_gems = TRUE;
+
+#if 0
+ /* Diamond Caves II levels are always surrounded by indestructible wall, but
+ not necessarily in a rectangular way -- fill with invisible steel wall */
+
+ /* !!! not always true !!! keep level and set BorderElement instead !!! */
+
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ {
+#if 1
+ if ((x == 0 || x == level->fieldx - 1 ||
+ y == 0 || y == level->fieldy - 1) &&
+ level->field[x][y] == EL_EMPTY)
+ level->field[x][y] = EL_INVISIBLE_STEELWALL;
+#else
+ if ((x == 0 || x == level->fieldx - 1 ||
+ y == 0 || y == level->fieldy - 1) &&
+ level->field[x][y] == EL_EMPTY)
+ FloodFillLevel(x, y, EL_INVISIBLE_STEELWALL,
+ level->field, level->fieldx, level->fieldy);
+#endif
+ }
+#endif
+}
+
+static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info)
+{
+ char *filename = level_file_info->filename;
+ FILE *file;
+ int num_magic_bytes = 8;
+ char magic_bytes[num_magic_bytes + 1];
+ int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
+
+ if (!(file = fopen(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return;
+ }
+
+ // fseek(file, 0x0000, SEEK_SET);
+
+ if (level_file_info->packed)
+ {
+ /* read "magic bytes" from start of file */
+ fgets(magic_bytes, num_magic_bytes + 1, file);
+
+ /* check "magic bytes" for correct file format */
+ if (!strPrefix(magic_bytes, "DC2"))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown DC level file '%s' -- using empty level",
+ filename);
+
+ return;
+ }
+
+ if (strPrefix(magic_bytes, "DC2Win95") ||
+ strPrefix(magic_bytes, "DC2Win98"))
+ {
+ int position_first_level = 0x00fa;
+ int extra_bytes = 4;
+ int skip_bytes;
+
+ /* advance file stream to first level inside the level package */
+ skip_bytes = position_first_level - num_magic_bytes - extra_bytes;
+
+ /* each block of level data is followed by block of non-level data */
+ num_levels_to_skip *= 2;
+
+ /* at least skip header bytes, therefore use ">= 0" instead of "> 0" */
+ while (num_levels_to_skip >= 0)
+ {
+ /* advance file stream to next level inside the level package */
+ if (fseek(file, skip_bytes, SEEK_CUR) != 0)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level",
+ filename);
+
+ return;
+ }
+
+ /* skip apparently unused extra bytes following each level */
+ ReadUnusedBytesFromFile(file, extra_bytes);
+
+ /* read size of next level in level package */
+ skip_bytes = getFile32BitLE(file);
+
+ num_levels_to_skip--;
+ }
+ }
+ else
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown DC2 level file '%s' -- using empty level",
+ filename);
+
+ return;
+ }
+ }
+
+ LoadLevelFromFileStream_DC(file, level, level_file_info->nr);
+
+ fclose(file);
+}
+
+#else
+
+static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info)
+{
+ char *filename = level_file_info->filename;
+ FILE *file;
+#if 0
+ int nr = level_file_info->nr - leveldir_current->first_level;
+#endif
+ byte header[DC_LEVEL_HEADER_SIZE];
+ int envelope_size;
+ int envelope_header_pos = 62;
+ int envelope_content_pos = 94;
+ int level_name_pos = 251;
+ int level_author_pos = 292;
+ int envelope_header_len;
+ int envelope_content_len;
+ int level_name_len;
+ int level_author_len;
+ int fieldx, fieldy;
+ int num_yamyam_contents;
+ int i, x, y;
+
+ if (!(file = fopen(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return;
+ }
+
+#if 0
+ /* position file stream to the requested level inside the level package */
+ if (fseek(file, nr * SP_LEVEL_SIZE, SEEK_SET) != 0)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level", filename);
+
+ return;
+ }
+#endif
+
+ getDecodedWord_DC(0, TRUE); /* initialize DC2 decoding engine */
+
+ for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
+ {
+ unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+
+ header[i * 2 + 0] = header_word >> 8;
+ header[i * 2 + 1] = header_word & 0xff;
+ }
+
+ /* read some values from level header to check level decoding integrity */
+ fieldx = header[6] | (header[7] << 8);
+ fieldy = header[8] | (header[9] << 8);
+ num_yamyam_contents = header[60] | (header[61] << 8);
+
+ /* do some simple sanity checks to ensure that level was correctly decoded */
+ if (fieldx < 1 || fieldx > 256 ||
+ fieldy < 1 || fieldy > 256 ||
+ num_yamyam_contents < 1 || num_yamyam_contents > 8)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot read level from file '%s' -- using empty level",
+ filename);
+
+ return;
+ }
+
+ /* maximum envelope header size is 31 bytes */
+ envelope_header_len = header[envelope_header_pos];
+ /* maximum envelope content size is 110 (156?) bytes */
+ envelope_content_len = header[envelope_content_pos];
+
+ /* maximum level title size is 40 bytes */
+ level_name_len = MIN(header[level_name_pos], MAX_LEVEL_NAME_LEN);
+ /* maximum level author size is 30 (51?) bytes */
+ level_author_len = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN);
+
+ envelope_size = 0;
+
+ for (i = 0; i < envelope_header_len; i++)
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] =
+ header[envelope_header_pos + 1 + i];
+
+ if (envelope_header_len > 0 && envelope_content_len > 0)
+ {
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] = '\n';
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] = '\n';
+ }
+
+ for (i = 0; i < envelope_content_len; i++)
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] =
+ header[envelope_content_pos + 1 + i];
+
+ level->envelope[0].text[envelope_size] = '\0';
+
+ level->envelope[0].xsize = MAX_ENVELOPE_XSIZE;
+ level->envelope[0].ysize = 10;
+ level->envelope[0].autowrap = TRUE;
+ level->envelope[0].centered = TRUE;
+
+ for (i = 0; i < level_name_len; i++)
+ level->name[i] = header[level_name_pos + 1 + i];
+ level->name[level_name_len] = '\0';
+
+ for (i = 0; i < level_author_len; i++)
+ level->author[i] = header[level_author_pos + 1 + i];
+ level->author[level_author_len] = '\0';
+
+ num_yamyam_contents = header[60] | (header[61] << 8);
+ level->num_yamyam_contents =
+ MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS);
+
+ for (i = 0; i < num_yamyam_contents; i++)
+ {
+ for (y = 0; y < 3; y++) for (x = 0; x < 3; x++)
+ {
+ unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+ int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+ int element_dc = word;
+#endif
+
+ if (i < MAX_ELEMENT_CONTENTS)
+ level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc);
+ }
+ }
+
+ fieldx = header[6] | (header[7] << 8);
+ fieldy = header[8] | (header[9] << 8);
+ level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX);
+ level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY);
+
+ for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++)
+ {
+ unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+ int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+ int element_dc = word;
+#endif
+
+ if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY)
+ level->field[x][y] = getMappedElement_DC(element_dc);
+ }
+
+ x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1);
+ y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1);
+ level->field[x][y] = EL_PLAYER_1;
+
+ x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1);
+ y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1);
+ level->field[x][y] = EL_PLAYER_2;
+
+ level->gems_needed = header[18] | (header[19] << 8);
+
+ level->score[SC_EMERALD] = header[20] | (header[21] << 8);
+ level->score[SC_DIAMOND] = header[22] | (header[23] << 8);
+ level->score[SC_PEARL] = header[24] | (header[25] << 8);
+ level->score[SC_CRYSTAL] = header[26] | (header[27] << 8);
+ level->score[SC_NUT] = header[28] | (header[29] << 8);
+ level->score[SC_ROBOT] = header[30] | (header[31] << 8);
+ level->score[SC_SPACESHIP] = header[32] | (header[33] << 8);
+ level->score[SC_BUG] = header[34] | (header[35] << 8);
+ level->score[SC_YAMYAM] = header[36] | (header[37] << 8);
+ level->score[SC_DYNAMITE] = header[38] | (header[39] << 8);
+ level->score[SC_KEY] = header[40] | (header[41] << 8);
+ level->score[SC_TIME_BONUS] = header[42] | (header[43] << 8);
+
+ level->time = header[44] | (header[45] << 8);
+
+ level->amoeba_speed = header[46] | (header[47] << 8);
+ level->time_light = header[48] | (header[49] << 8);
+ level->time_timegate = header[50] | (header[51] << 8);
+ level->time_wheel = header[52] | (header[53] << 8);
+ level->time_magic_wall = header[54] | (header[55] << 8);
+ level->extra_time = header[56] | (header[57] << 8);
+ level->shield_normal_time = header[58] | (header[59] << 8);
+
+ fclose(file);
+
+ /* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
+ can slip down from flat walls, like normal walls and steel walls */
+ level->em_slippery_gems = TRUE;
+
+#if 0
+ /* Diamond Caves II levels are always surrounded by indestructible wall, but
+ not necessarily in a rectangular way -- fill with invisible steel wall */
+
+ /* !!! not always true !!! keep level and set BorderElement instead !!! */
+
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ {
+#if 1
+ if ((x == 0 || x == level->fieldx - 1 ||
+ y == 0 || y == level->fieldy - 1) &&
+ level->field[x][y] == EL_EMPTY)
+ level->field[x][y] = EL_INVISIBLE_STEELWALL;
+#else
+ if ((x == 0 || x == level->fieldx - 1 ||
+ y == 0 || y == level->fieldy - 1) &&
+ level->field[x][y] == EL_EMPTY)
+ FloodFillLevel(x, y, EL_INVISIBLE_STEELWALL,
+ level->field, level->fieldx, level->fieldy);
+#endif
+ }
+#endif
+}
+
+#endif
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading SB level */
+/* ------------------------------------------------------------------------- */
+
+int getMappedElement_SB(int element_ascii, boolean use_ces)
+{
+ static struct
+ {
+ int ascii;
+ int sb;
+ int ce;
+ }
+ sb_element_mapping[] =
+ {
+ { ' ', EL_EMPTY, EL_CUSTOM_1 }, /* floor (space) */
+ { '#', EL_STEELWALL, EL_CUSTOM_2 }, /* wall */
+ { '@', EL_PLAYER_1, EL_CUSTOM_3 }, /* player */
+ { '$', EL_SOKOBAN_OBJECT, EL_CUSTOM_4 }, /* box */
+ { '.', EL_SOKOBAN_FIELD_EMPTY, EL_CUSTOM_5 }, /* goal square */
+ { '*', EL_SOKOBAN_FIELD_FULL, EL_CUSTOM_6 }, /* box on goal square */
+ { '+', EL_SOKOBAN_FIELD_PLAYER, EL_CUSTOM_7 }, /* player on goal square */
+#if 0
+ { '_', EL_INVISIBLE_STEELWALL, EL_CUSTOM_8 }, /* floor beyond border */
+#else
+ { '_', EL_INVISIBLE_STEELWALL, EL_FROM_LEVEL_TEMPLATE }, /* floor beyond border */
+#endif
+
+ { 0, -1, -1 },
+ };
+
+ int i;
+
+ for (i = 0; sb_element_mapping[i].ascii != 0; i++)
+ if (element_ascii == sb_element_mapping[i].ascii)
+ return (use_ces ? sb_element_mapping[i].ce : sb_element_mapping[i].sb);
+
+ return EL_UNDEFINED;
+}
+
+static void LoadLevelFromFileInfo_SB(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info)
+{
+ char *filename = level_file_info->filename;
+ char line[MAX_LINE_LEN], line_raw[MAX_LINE_LEN], previous_line[MAX_LINE_LEN];
+ char last_comment[MAX_LINE_LEN];
+ char level_name[MAX_LINE_LEN];
+ char *line_ptr;
+ FILE *file;
+ int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
+ boolean read_continued_line = FALSE;
+ boolean reading_playfield = FALSE;
+ boolean got_valid_playfield_line = FALSE;
+ boolean invalid_playfield_char = FALSE;
+ boolean load_xsb_to_ces = check_special_flags("load_xsb_to_ces");
+ int file_level_nr = 0;
+ int line_nr = 0;
+ int x, y;
+
+#if 0
+ printf("::: looking for level number %d [%d]\n",
+ level_file_info->nr, num_levels_to_skip);
+#endif
+
+ last_comment[0] = '\0';
+ level_name[0] = '\0';
+
+ if (!(file = fopen(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return;
+ }
+
+ while (!feof(file))
+ {
+ /* level successfully read, but next level may follow here */
+ if (!got_valid_playfield_line && reading_playfield)
+ {
+#if 0
+ printf("::: read complete playfield\n");
+#endif
+
+ /* read playfield from single level file -- skip remaining file */
+ if (!level_file_info->packed)
+ break;
+
+ if (file_level_nr >= num_levels_to_skip)
+ break;
+
+ file_level_nr++;
+
+ last_comment[0] = '\0';
+ level_name[0] = '\0';
+
+ reading_playfield = FALSE;
+ }
+
+ got_valid_playfield_line = FALSE;
+
+ /* read next line of input file */
+ if (!fgets(line, MAX_LINE_LEN, file))
+ break;
+
+ /* check if line was completely read and is terminated by line break */
+ if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
+ line_nr++;
+
+ /* cut trailing line break (this can be newline and/or carriage return) */
+ for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--)
+ if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0')
+ *line_ptr = '\0';
+
+ /* copy raw input line for later use (mainly debugging output) */
+ strcpy(line_raw, line);
+
+ if (read_continued_line)
+ {
+ /* append new line to existing line, if there is enough space */
+ if (strlen(previous_line) + strlen(line_ptr) < MAX_LINE_LEN)
+ strcat(previous_line, line_ptr);
+
+ strcpy(line, previous_line); /* copy storage buffer to line */
+
+ read_continued_line = FALSE;
+ }
+
+ /* if the last character is '\', continue at next line */
+ if (strlen(line) > 0 && line[strlen(line) - 1] == '\\')
+ {
+ line[strlen(line) - 1] = '\0'; /* cut off trailing backslash */
+ strcpy(previous_line, line); /* copy line to storage buffer */
+
+ read_continued_line = TRUE;
+
+ continue;
+ }
+
+ /* skip empty lines */
+ if (line[0] == '\0')
+ continue;
+
+ /* extract comment text from comment line */
+ if (line[0] == ';')
+ {
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != ';')
+ break;
+
+ strcpy(last_comment, line_ptr);
+
+#if 0
+ printf("::: found comment '%s' in line %d\n", last_comment, line_nr);
+#endif
+
+ continue;
+ }
+
+ /* extract level title text from line containing level title */
+ if (line[0] == '\'')
+ {
+ strcpy(level_name, &line[1]);
+
+ if (strlen(level_name) > 0 && level_name[strlen(level_name) - 1] == '\'')
+ level_name[strlen(level_name) - 1] = '\0';
+
+#if 0
+ printf("::: found level name '%s' in line %d\n", level_name, line_nr);
+#endif
+
+ continue;
+ }
+
+ /* skip lines containing only spaces (or empty lines) */
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ if (*line_ptr != ' ')
+ break;
+ if (*line_ptr == '\0')
+ continue;
+
+ /* at this point, we have found a line containing part of a playfield */
+
+#if 0
+ printf("::: found playfield row in line %d\n", line_nr);
+#endif
+
+ got_valid_playfield_line = TRUE;
+
+ if (!reading_playfield)
+ {
+ reading_playfield = TRUE;
+ invalid_playfield_char = FALSE;
+
+ for (x = 0; x < MAX_LEV_FIELDX; x++)
+ for (y = 0; y < MAX_LEV_FIELDY; y++)
+ level->field[x][y] = getMappedElement_SB(' ', load_xsb_to_ces);
+
+ level->fieldx = 0;
+ level->fieldy = 0;
+
+ /* start with topmost tile row */
+ y = 0;
+ }
+
+ /* skip playfield line if larger row than allowed */
+ if (y >= MAX_LEV_FIELDY)
+ continue;
+
+ /* start with leftmost tile column */
+ x = 0;
+
+ /* read playfield elements from line */
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ {
+ int mapped_sb_element = getMappedElement_SB(*line_ptr, load_xsb_to_ces);
+
+ /* stop parsing playfield line if larger column than allowed */
+ if (x >= MAX_LEV_FIELDX)
+ break;
+
+ if (mapped_sb_element == EL_UNDEFINED)
+ {
+ invalid_playfield_char = TRUE;
+
+ break;
+ }
+
+ level->field[x][y] = mapped_sb_element;
+
+ /* continue with next tile column */
+ x++;
+
+ level->fieldx = MAX(x, level->fieldx);
+ }
+
+ if (invalid_playfield_char)
+ {
+ /* if first playfield line, treat invalid lines as comment lines */
+ if (y == 0)
+ reading_playfield = FALSE;
+
+ continue;
+ }
+
+ /* continue with next tile row */
+ y++;
+ }
+
+ fclose(file);
+
+ level->fieldy = y;
+
+ level->fieldx = MIN(MAX(MIN_LEV_FIELDX, level->fieldx), MAX_LEV_FIELDX);
+ level->fieldy = MIN(MAX(MIN_LEV_FIELDY, level->fieldy), MAX_LEV_FIELDY);
+
+ if (!reading_playfield)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return;
+ }
+
+ if (*level_name != '\0')
+ {
+ strncpy(level->name, level_name, MAX_LEVEL_NAME_LEN);
+ level->name[MAX_LEVEL_NAME_LEN] = '\0';
+
+#if 0
+ printf(":1: level name: '%s'\n", level->name);
+#endif
+ }
+ else if (*last_comment != '\0')
+ {
+ strncpy(level->name, last_comment, MAX_LEVEL_NAME_LEN);
+ level->name[MAX_LEVEL_NAME_LEN] = '\0';
+
+#if 0
+ printf(":2: level name: '%s'\n", level->name);
+#endif
+ }
+ else
+ {
+ sprintf(level->name, "--> Level %d <--", level_file_info->nr);
+ }
+
+ /* set all empty fields beyond the border walls to invisible steel wall */
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ {
+ if ((x == 0 || x == level->fieldx - 1 ||
+ y == 0 || y == level->fieldy - 1) &&
+ level->field[x][y] == getMappedElement_SB(' ', load_xsb_to_ces))
+ FloodFillLevel(x, y, getMappedElement_SB('_', load_xsb_to_ces),
+ level->field, level->fieldx, level->fieldy);
+ }
+
+ /* set special level settings for Sokoban levels */
+
+ level->time = 0;
+ level->use_step_counter = TRUE;
+
+ if (load_xsb_to_ces)
+ {
+#if 1
+ /* !!! special global settings can now be set in level template !!! */
+#else
+ level->initial_player_stepsize[0] = STEPSIZE_SLOW;
+#endif
+
+ /* fill smaller playfields with padding "beyond border wall" elements */
+ if (level->fieldx < SCR_FIELDX ||
+ level->fieldy < SCR_FIELDY)
+ {
+ short field[level->fieldx][level->fieldy];
+ int new_fieldx = MAX(level->fieldx, SCR_FIELDX);
+ int new_fieldy = MAX(level->fieldy, SCR_FIELDY);
+ int pos_fieldx = (new_fieldx - level->fieldx) / 2;
+ int pos_fieldy = (new_fieldy - level->fieldy) / 2;
+
+ /* copy old playfield (which is smaller than the visible area) */
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ field[x][y] = level->field[x][y];
+
+ /* fill new, larger playfield with "beyond border wall" elements */
+ for (y = 0; y < new_fieldy; y++) for (x = 0; x < new_fieldx; x++)
+ level->field[x][y] = getMappedElement_SB('_', load_xsb_to_ces);
+
+ /* copy the old playfield to the middle of the new playfield */
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ level->field[pos_fieldx + x][pos_fieldy + y] = field[x][y];
+
+ level->fieldx = new_fieldx;
+ level->fieldy = new_fieldy;
+ }
+
+ level->use_custom_template = TRUE;
+ }
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for handling native levels */
+/* ------------------------------------------------------------------------- */
+
+static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info)
+{
+ if (!LoadNativeLevel_EM(level_file_info->filename))
+ level->no_valid_file = TRUE;
+}
+
+static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info)
+{
+ int pos = 0;
+
+ /* determine position of requested level inside level package */
+ if (level_file_info->packed)
+ pos = level_file_info->nr - leveldir_current->first_level;
+
+ if (!LoadNativeLevel_SP(level_file_info->filename, pos))
+ level->no_valid_file = TRUE;
+}
+
+void CopyNativeLevel_RND_to_Native(struct LevelInfo *level)
+{
+ if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
+ CopyNativeLevel_RND_to_EM(level);
+ else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
+ CopyNativeLevel_RND_to_SP(level);
+}
+
+void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
+{
+ if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
+ CopyNativeLevel_EM_to_RND(level);
+ else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
+ CopyNativeLevel_SP_to_RND(level);
+}
+
+void SaveNativeLevel(struct LevelInfo *level)
+{
+ if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
+ {
+ char *basename = getSingleLevelBasenameExt(level->file_info.nr, "sp");
+ char *filename = getLevelFilenameFromBasename(basename);
+
+ CopyNativeLevel_RND_to_SP(level);
+ CopyNativeTape_RND_to_SP(level);
+
+ SaveNativeLevel_SP(filename);
+ }
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading generic level */
+/* ------------------------------------------------------------------------- */
+
+void LoadLevelFromFileInfo(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info)
+{
+ /* always start with reliable default values */
+ setLevelInfoToDefaults(level);
+
+ switch (level_file_info->type)
+ {
+ case LEVEL_FILE_TYPE_RND:
+ LoadLevelFromFileInfo_RND(level, level_file_info);
+ break;
+
+ case LEVEL_FILE_TYPE_EM:
+ LoadLevelFromFileInfo_EM(level, level_file_info);
+ level->game_engine_type = GAME_ENGINE_TYPE_EM;
+ break;
+
+ case LEVEL_FILE_TYPE_SP:
+ LoadLevelFromFileInfo_SP(level, level_file_info);
+ level->game_engine_type = GAME_ENGINE_TYPE_SP;
+ break;
+
+ case LEVEL_FILE_TYPE_DC:
+ LoadLevelFromFileInfo_DC(level, level_file_info);
+ break;
+
+ case LEVEL_FILE_TYPE_SB:
+ LoadLevelFromFileInfo_SB(level, level_file_info);
+ break;
+
+ default:
+ LoadLevelFromFileInfo_RND(level, level_file_info);
+ break;
+ }
+
+ /* if level file is invalid, restore level structure to default values */
+ if (level->no_valid_file)
+ setLevelInfoToDefaults(level);
+
+ if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN)
+ level->game_engine_type = GAME_ENGINE_TYPE_RND;
+
+ if (level_file_info->type != LEVEL_FILE_TYPE_RND)
+ CopyNativeLevel_Native_to_RND(level);
+}
+
+void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
+{
+ static struct LevelFileInfo level_file_info;
+
+ /* always start with reliable default values */
+ setFileInfoToDefaults(&level_file_info);
+
+ level_file_info.nr = 0; /* unknown level number */
+ level_file_info.type = LEVEL_FILE_TYPE_RND; /* no others supported yet */
+ level_file_info.filename = filename;
+
+ LoadLevelFromFileInfo(level, &level_file_info);
+}
+
+static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename)
+{
+ int i, j;
+
+ if (leveldir_current == NULL) /* only when dumping level */
+ return;
+
+ /* all engine modifications also valid for levels which use latest engine */
+ if (level->game_version < VERSION_IDENT(3,2,0,5))
+ {
+ /* time bonus score was given for 10 s instead of 1 s before 3.2.0-5 */
+ level->score[SC_TIME_BONUS] /= 10;
+ }
+
+#if 0
+ leveldir_current->latest_engine = TRUE; /* !!! TEST ONLY !!! */
+#endif
+
+ if (leveldir_current->latest_engine)
+ {
+ /* ---------- use latest game engine ----------------------------------- */
+
+ /* For all levels which are forced to use the latest game engine version
+ (normally all but user contributed, private and undefined levels), set
+ the game engine version to the actual version; this allows for actual
+ corrections in the game engine to take effect for existing, converted
+ levels (from "classic" or other existing games) to make the emulation
+ of the corresponding game more accurate, while (hopefully) not breaking
+ existing levels created from other players. */
+
+ level->game_version = GAME_VERSION_ACTUAL;
+
+ /* Set special EM style gems behaviour: EM style gems slip down from
+ normal, steel and growing wall. As this is a more fundamental change,
+ it seems better to set the default behaviour to "off" (as it is more
+ natural) and make it configurable in the level editor (as a property
+ of gem style elements). Already existing converted levels (neither
+ private nor contributed levels) are changed to the new behaviour. */
+
+ if (level->file_version < FILE_VERSION_2_0)
+ level->em_slippery_gems = TRUE;