+ element = getMappedElement(getFile16BitBE(file));
+ num_contents = getFile8Bit(file);
+ content_xsize = getFile8Bit(file);
+ content_ysize = getFile8Bit(file);
+
+ ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT2_UNUSED);
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ content_array[i][x][y] = getMappedElement(getFile16BitBE(file));
+
+ /* correct invalid number of content fields -- should never happen */
+ if (num_contents < 1 || num_contents > MAX_ELEMENT_CONTENTS)
+ num_contents = STD_ELEMENT_CONTENTS;
+
+ if (element == EL_YAMYAM)
+ {
+ level->num_yamyam_contents = num_contents;
+
+ for (i = 0; i < num_contents; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i][x][y] = content_array[i][x][y];
+ }
+ else if (element == EL_BD_AMOEBA)
+ {
+ level->amoeba_content = content_array[0][0][0];
+ }
+ else
+ {
+ Error(ERR_WARN, "cannot load content for element '%d'", element);
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CNT3(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int i;
+ int element;
+ int envelope_nr;
+ int envelope_len;
+ int chunk_size_expected;
+
+ element = getMappedElement(getFile16BitBE(file));
+ if (!IS_ENVELOPE(element))
+ element = EL_ENVELOPE_1;
+
+ envelope_nr = element - EL_ENVELOPE_1;
+
+ envelope_len = getFile16BitBE(file);
+
+ level->envelope_xsize[envelope_nr] = getFile8Bit(file);
+ level->envelope_ysize[envelope_nr] = getFile8Bit(file);
+
+ ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT3_UNUSED);
+
+ chunk_size_expected = LEVEL_CHUNK_CNT3_SIZE(envelope_len);
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - LEVEL_CHUNK_CNT3_HEADER);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < envelope_len; i++)
+ level->envelope_text[envelope_nr][i] = getFile8Bit(file);
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS1(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = 2 + num_changed_custom_elements * 6;
+ int i;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getFile16BitBE(file);
+ int properties = getFile32BitBE(file);
+
+ if (IS_CUSTOM_ELEMENT(element))
+ Properties[element][EP_BITFIELD_BASE] = properties;
+ else
+ Error(ERR_WARN, "invalid custom element number %d", element);
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS2(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = 2 + num_changed_custom_elements * 4;
+ int i;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getFile16BitBE(file);
+ int custom_target_element = getFile16BitBE(file);
+
+ if (IS_CUSTOM_ELEMENT(element))
+ element_info[element].change->target_element = custom_target_element;
+ else
+ Error(ERR_WARN, "invalid custom element number %d", element);
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = LEVEL_CHUNK_CUS3_SIZE(num_changed_custom_elements);
+ int i, j, x, y;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getFile16BitBE(file);
+
+ if (!IS_CUSTOM_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ element = EL_INTERNAL_DUMMY;
+ }
+
+ for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
+ element_info[element].description[j] = getFile8Bit(file);
+ element_info[element].description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ Properties[element][EP_BITFIELD_BASE] = getFile32BitBE(file);
+
+ /* some free bytes for future properties and padding */
+ ReadUnusedBytesFromFile(file, 7);
+
+ element_info[element].use_gfx_element = getFile8Bit(file);
+ element_info[element].gfx_element =
+ getMappedElement(getFile16BitBE(file));
+
+ element_info[element].collect_score = getFile8Bit(file);
+ element_info[element].collect_count = getFile8Bit(file);
+
+ element_info[element].push_delay_fixed = getFile16BitBE(file);
+ element_info[element].push_delay_random = getFile16BitBE(file);
+ element_info[element].move_delay_fixed = getFile16BitBE(file);
+ element_info[element].move_delay_random = getFile16BitBE(file);
+
+ element_info[element].move_pattern = getFile16BitBE(file);
+ element_info[element].move_direction_initial = getFile8Bit(file);
+ element_info[element].move_stepsize = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ element_info[element].content[x][y] =
+ getMappedElement(getFile16BitBE(file));
+
+ element_info[element].change->events = getFile32BitBE(file);
+
+ element_info[element].change->target_element =
+ getMappedElement(getFile16BitBE(file));
+
+ element_info[element].change->delay_fixed = getFile16BitBE(file);
+ element_info[element].change->delay_random = getFile16BitBE(file);
+ element_info[element].change->delay_frames = getFile16BitBE(file);
+
+ element_info[element].change->trigger_element =
+ getMappedElement(getFile16BitBE(file));
+
+ element_info[element].change->explode = getFile8Bit(file);
+ element_info[element].change->use_target_content = getFile8Bit(file);
+ element_info[element].change->only_if_complete = getFile8Bit(file);
+ element_info[element].change->use_random_replace = getFile8Bit(file);
+
+ element_info[element].change->random_percentage = getFile8Bit(file);
+ element_info[element].change->replace_when = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ element_info[element].change->target_content[x][y] =
+ getMappedElement(getFile16BitBE(file));
+
+ element_info[element].slippery_type = getFile8Bit(file);
+
+ /* some free bytes for future properties and padding */
+ ReadUnusedBytesFromFile(file, LEVEL_CPART_CUS3_UNUSED);
+
+ /* mark that this custom element has been modified */
+ element_info[element].modified_settings = TRUE;
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ struct ElementInfo *ei;
+ int chunk_size_expected;
+ int element;
+ int i, x, y;
+
+ element = getFile16BitBE(file);
+
+ if (!IS_CUSTOM_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size;
+ }
+
+ ei = &element_info[element];
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+ ei->description[i] = getFile8Bit(file);
+ ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ Properties[element][EP_BITFIELD_BASE] = getFile32BitBE(file);
+ ReadUnusedBytesFromFile(file, 4); /* reserved for more base properties */
+
+ ei->num_change_pages = getFile8Bit(file);
+
+ /* some free bytes for future base property values and padding */
+ ReadUnusedBytesFromFile(file, 5);
+
+ chunk_size_expected = LEVEL_CHUNK_CUS4_SIZE(ei->num_change_pages);
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 48);
+ return chunk_size_expected;
+ }
+
+ /* read custom property values */
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element = getMappedElement(getFile16BitBE(file));
+
+ ei->collect_score = getFile8Bit(file);
+ ei->collect_count = getFile8Bit(file);
+
+ ei->drop_delay_fixed = getFile8Bit(file);
+ ei->push_delay_fixed = getFile8Bit(file);
+ ei->drop_delay_random = getFile8Bit(file);
+ ei->push_delay_random = getFile8Bit(file);
+ ei->move_delay_fixed = getFile16BitBE(file);
+ ei->move_delay_random = getFile16BitBE(file);
+
+ /* bits 0 - 15 of "move_pattern" ... */
+ ei->move_pattern = getFile16BitBE(file);
+ ei->move_direction_initial = getFile8Bit(file);
+ ei->move_stepsize = getFile8Bit(file);
+
+ ei->slippery_type = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ ei->content[x][y] = getMappedElement(getFile16BitBE(file));
+
+ ei->move_enter_element = getMappedElement(getFile16BitBE(file));
+ ei->move_leave_element = getMappedElement(getFile16BitBE(file));
+ ei->move_leave_type = getFile8Bit(file);
+
+ /* ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible) */
+ ei->move_pattern |= (getFile16BitBE(file) << 16);
+
+ ei->access_direction = getFile8Bit(file);
+
+ ei->explosion_delay = getFile8Bit(file);
+ ei->ignition_delay = getFile8Bit(file);
+ ei->explosion_type = getFile8Bit(file);
+
+ /* some free bytes for future custom property values and padding */
+ ReadUnusedBytesFromFile(file, 1);
+
+ /* read change property values */
+
+ setElementChangePages(ei, ei->num_change_pages);
+
+ for (i = 0; i < ei->num_change_pages; i++)
+ {
+ struct ElementChangeInfo *change = &ei->change_page[i];
+
+ /* always start with reliable default values */
+ setElementChangeInfoToDefaults(change);
+
+ change->events = getFile32BitBE(file);
+
+ change->target_element = getMappedElement(getFile16BitBE(file));
+
+ change->delay_fixed = getFile16BitBE(file);
+ change->delay_random = getFile16BitBE(file);
+ change->delay_frames = getFile16BitBE(file);
+
+ change->trigger_element = getMappedElement(getFile16BitBE(file));
+
+ change->explode = getFile8Bit(file);
+ change->use_target_content = getFile8Bit(file);
+ change->only_if_complete = getFile8Bit(file);
+ change->use_random_replace = getFile8Bit(file);
+
+ change->random_percentage = getFile8Bit(file);
+ change->replace_when = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ change->target_content[x][y] = getMappedElement(getFile16BitBE(file));
+
+ change->can_change = getFile8Bit(file);
+
+ change->trigger_side = getFile8Bit(file);
+
+#if 1
+ change->trigger_player = getFile8Bit(file);
+ change->trigger_page = getFile8Bit(file);
+
+ change->trigger_page = (change->trigger_page == CH_PAGE_ANY_FILE ?
+ CH_PAGE_ANY : (1 << change->trigger_page));
+
+ /* some free bytes for future change property values and padding */
+ ReadUnusedBytesFromFile(file, 6);
+
+#else
+
+ /* some free bytes for future change property values and padding */
+ ReadUnusedBytesFromFile(file, 8);
+#endif
+ }
+
+ /* mark this custom element as modified */
+ ei->modified_settings = TRUE;
+
+ return chunk_size;
+}
+
+static int LoadLevel_GRP1(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ struct ElementInfo *ei;
+ struct ElementGroupInfo *group;
+ int element;
+ int i;
+
+ element = getFile16BitBE(file);
+
+ if (!IS_GROUP_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid group element number %d", element);
+
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size;
+ }
+
+ ei = &element_info[element];
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+ ei->description[i] = getFile8Bit(file);
+ ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ group = element_info[element].group;
+
+ group->num_elements = getFile8Bit(file);
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element = getMappedElement(getFile16BitBE(file));
+
+ group->choice_mode = getFile8Bit(file);
+
+ /* some free bytes for future values and padding */
+ ReadUnusedBytesFromFile(file, 3);
+
+ for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
+ group->element[i] = getMappedElement(getFile16BitBE(file));
+
+ /* mark this group element as modified */
+ element_info[element].modified_settings = TRUE;
+
+ return chunk_size;
+}
+
+static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info)
+{
+ char *filename = level_file_info->filename;
+ char cookie[MAX_LINE_LEN];
+ char chunk_name[CHUNK_ID_LEN + 1];
+ int chunk_size;
+ FILE *file;
+
+ if (!(file = fopen(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+ if (level != &level_template)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return;
+ }
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (strcmp(chunk_name, "RND1") == 0)
+ {
+ getFile32BitBE(file); /* not used */
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (strcmp(chunk_name, "CAVE") != 0)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of level file '%s'", filename);
+ fclose(file);
+ return;
+ }
+ }
+ else /* check for pre-2.0 file format with cookie string */
+ {
+ strcpy(cookie, chunk_name);
+ fgets(&cookie[4], MAX_LINE_LEN - 4, file);
+ if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
+ cookie[strlen(cookie) - 1] = '\0';
+
+ if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of level file '%s'", filename);
+ fclose(file);
+ return;
+ }
+
+ if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unsupported version of level file '%s'", filename);
+ fclose(file);
+ return;
+ }
+
+ /* pre-2.0 level files have no game version, so use file version here */
+ level->game_version = level->file_version;
+ }
+
+ if (level->file_version < FILE_VERSION_1_2)
+ {
+ /* level files from versions before 1.2.0 without chunk structure */
+ LoadLevel_HEAD(file, LEVEL_HEADER_SIZE, level);
+ LoadLevel_BODY(file, level->fieldx * level->fieldy, level);
+ }
+ else
+ {
+ static struct
+ {
+ char *name;
+ int size;
+ int (*loader)(FILE *, int, struct LevelInfo *);
+ }
+ chunk_info[] =
+ {
+ { "VERS", FILE_VERS_CHUNK_SIZE, LoadLevel_VERS },
+ { "HEAD", LEVEL_HEADER_SIZE, LoadLevel_HEAD },
+ { "AUTH", MAX_LEVEL_AUTHOR_LEN, LoadLevel_AUTH },
+ { "BODY", -1, LoadLevel_BODY },
+ { "CONT", -1, LoadLevel_CONT },
+ { "CNT2", LEVEL_CHUNK_CNT2_SIZE, LoadLevel_CNT2 },
+ { "CNT3", -1, LoadLevel_CNT3 },
+ { "CUS1", -1, LoadLevel_CUS1 },
+ { "CUS2", -1, LoadLevel_CUS2 },
+ { "CUS3", -1, LoadLevel_CUS3 },
+ { "CUS4", -1, LoadLevel_CUS4 },
+ { "GRP1", -1, LoadLevel_GRP1 },
+ { NULL, 0, NULL }
+ };
+
+ while (getFileChunkBE(file, chunk_name, &chunk_size))
+ {
+ int i = 0;
+
+ while (chunk_info[i].name != NULL &&
+ strcmp(chunk_name, chunk_info[i].name) != 0)
+ i++;
+
+ if (chunk_info[i].name == NULL)
+ {
+ Error(ERR_WARN, "unknown chunk '%s' in level file '%s'",
+ chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else if (chunk_info[i].size != -1 &&
+ chunk_info[i].size != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'",
+ chunk_size, chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else
+ {
+ /* call function to load this level chunk */
+ int chunk_size_expected =
+ (chunk_info[i].loader)(file, chunk_size, level);
+
+ /* the size of some chunks cannot be checked before reading other
+ chunks first (like "HEAD" and "BODY") that contain some header
+ information, so check them here */
+ if (chunk_size_expected != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'",
+ chunk_size, chunk_name, filename);
+ }
+ }
+ }
+ }
+
+ fclose(file);
+}
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading EM level */
+/* ------------------------------------------------------------------------- */
+
+#if 0
+
+static int map_em_element_yam(int element)
+{
+ switch (element)
+ {
+ case 0x00: return EL_EMPTY;
+ case 0x01: return EL_EMERALD;
+ case 0x02: return EL_DIAMOND;
+ case 0x03: return EL_ROCK;
+ case 0x04: return EL_ROBOT;
+ case 0x05: return EL_SPACESHIP_UP;
+ case 0x06: return EL_BOMB;
+ case 0x07: return EL_BUG_UP;
+ case 0x08: return EL_AMOEBA_DROP;
+ case 0x09: return EL_NUT;
+ case 0x0a: return EL_YAMYAM;
+ case 0x0b: return EL_QUICKSAND_FULL;
+ case 0x0c: return EL_SAND;
+ case 0x0d: return EL_WALL_SLIPPERY;
+ case 0x0e: return EL_STEELWALL;
+ case 0x0f: return EL_WALL;
+ case 0x10: return EL_EM_KEY_1;
+ case 0x11: return EL_EM_KEY_2;
+ case 0x12: return EL_EM_KEY_4;
+ case 0x13: return EL_EM_KEY_3;
+ case 0x14: return EL_MAGIC_WALL;
+ case 0x15: return EL_ROBOT_WHEEL;
+ case 0x16: return EL_DYNAMITE;
+
+ case 0x17: return EL_EM_KEY_1; /* EMC */
+ case 0x18: return EL_BUG_UP; /* EMC */
+ case 0x1a: return EL_DIAMOND; /* EMC */
+ case 0x1b: return EL_EMERALD; /* EMC */
+ case 0x25: return EL_NUT; /* EMC */
+ case 0x80: return EL_EMPTY; /* EMC */
+ case 0x85: return EL_EM_KEY_1; /* EMC */
+ case 0x86: return EL_EM_KEY_2; /* EMC */
+ case 0x87: return EL_EM_KEY_4; /* EMC */
+ case 0x88: return EL_EM_KEY_3; /* EMC */
+ case 0x94: return EL_QUICKSAND_EMPTY; /* EMC */
+ case 0x9a: return EL_AMOEBA_WET; /* EMC */
+ case 0xaf: return EL_DYNAMITE; /* EMC */
+ case 0xbd: return EL_SAND; /* EMC */
+
+ default:
+ Error(ERR_WARN, "invalid level element %d", element);
+ return EL_UNKNOWN;
+ }
+}
+
+static int map_em_element_field(int element)
+{
+ if (element >= 0xc8 && element <= 0xe1)
+ return EL_CHAR_A + (element - 0xc8);
+ else if (element >= 0xe2 && element <= 0xeb)
+ return EL_CHAR_0 + (element - 0xe2);
+
+ switch (element)
+ {
+ case 0x00: return EL_ROCK;
+ case 0x01: return EL_ROCK; /* EMC */
+ case 0x02: return EL_DIAMOND;
+ case 0x03: return EL_DIAMOND;
+ case 0x04: return EL_ROBOT;
+ case 0x05: return EL_ROBOT; /* EMC */
+ case 0x06: return EL_EMPTY_SPACE; /* EMC */
+ case 0x07: return EL_EMPTY_SPACE; /* EMC */
+ case 0x08: return EL_SPACESHIP_UP;
+ case 0x09: return EL_SPACESHIP_RIGHT;
+ case 0x0a: return EL_SPACESHIP_DOWN;
+ case 0x0b: return EL_SPACESHIP_LEFT;
+ case 0x0c: return EL_SPACESHIP_UP;
+ case 0x0d: return EL_SPACESHIP_RIGHT;
+ case 0x0e: return EL_SPACESHIP_DOWN;
+ case 0x0f: return EL_SPACESHIP_LEFT;
+
+ case 0x10: return EL_BOMB;
+ case 0x11: return EL_BOMB; /* EMC */
+ case 0x12: return EL_EMERALD;
+ case 0x13: return EL_EMERALD;
+ case 0x14: return EL_BUG_UP;
+ case 0x15: return EL_BUG_RIGHT;
+ case 0x16: return EL_BUG_DOWN;
+ case 0x17: return EL_BUG_LEFT;
+ case 0x18: return EL_BUG_UP;
+ case 0x19: return EL_BUG_RIGHT;
+ case 0x1a: return EL_BUG_DOWN;
+ case 0x1b: return EL_BUG_LEFT;
+ case 0x1c: return EL_AMOEBA_DROP;
+ case 0x1d: return EL_AMOEBA_DROP; /* EMC */
+ case 0x1e: return EL_AMOEBA_DROP; /* EMC */
+ case 0x1f: return EL_AMOEBA_DROP; /* EMC */
+
+ case 0x20: return EL_ROCK;
+ case 0x21: return EL_BOMB; /* EMC */
+ case 0x22: return EL_DIAMOND; /* EMC */
+ case 0x23: return EL_EMERALD; /* EMC */
+ case 0x24: return EL_MAGIC_WALL;
+ case 0x25: return EL_NUT;
+ case 0x26: return EL_NUT; /* EMC */
+ case 0x27: return EL_NUT; /* EMC */
+
+ /* looks like magic wheel, but is _always_ activated */
+ case 0x28: return EL_ROBOT_WHEEL; /* EMC */
+
+ case 0x29: return EL_YAMYAM; /* up */
+ case 0x2a: return EL_YAMYAM; /* down */
+ case 0x2b: return EL_YAMYAM; /* left */ /* EMC */
+ case 0x2c: return EL_YAMYAM; /* right */ /* EMC */
+ case 0x2d: return EL_QUICKSAND_FULL;
+ case 0x2e: return EL_EMPTY_SPACE; /* EMC */
+ case 0x2f: return EL_EMPTY_SPACE; /* EMC */
+
+ case 0x30: return EL_EMPTY_SPACE; /* EMC */
+ case 0x31: return EL_SAND; /* EMC */
+ case 0x32: return EL_SAND; /* EMC */
+ case 0x33: return EL_SAND; /* EMC */
+ case 0x34: return EL_QUICKSAND_FULL; /* EMC */
+ case 0x35: return EL_QUICKSAND_FULL; /* EMC */
+ case 0x36: return EL_QUICKSAND_FULL; /* EMC */
+ case 0x37: return EL_SAND; /* EMC */
+ case 0x38: return EL_ROCK; /* EMC */
+ case 0x39: return EL_EXPANDABLE_WALL_HORIZONTAL; /* EMC */
+ case 0x3a: return EL_EXPANDABLE_WALL_VERTICAL; /* EMC */
+ case 0x3b: return EL_DYNAMITE_ACTIVE; /* 1 */
+ case 0x3c: return EL_DYNAMITE_ACTIVE; /* 2 */
+ case 0x3d: return EL_DYNAMITE_ACTIVE; /* 3 */
+ case 0x3e: return EL_DYNAMITE_ACTIVE; /* 4 */
+ case 0x3f: return EL_ACID_POOL_BOTTOM;
+
+ case 0x40: return EL_EXIT_OPEN; /* 1 */
+ case 0x41: return EL_EXIT_OPEN; /* 2 */
+ case 0x42: return EL_EXIT_OPEN; /* 3 */
+ case 0x43: return EL_BALLOON; /* EMC */
+ case 0x44: return EL_UNKNOWN; /* EMC ("plant") */
+ case 0x45: return EL_SPRING; /* EMC */
+ case 0x46: return EL_SPRING; /* falling */ /* EMC */
+ case 0x47: return EL_SPRING; /* left */ /* EMC */
+ case 0x48: return EL_SPRING; /* right */ /* EMC */
+ case 0x49: return EL_UNKNOWN; /* EMC ("ball 1") */
+ case 0x4a: return EL_UNKNOWN; /* EMC ("ball 2") */
+ case 0x4b: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x4c: return EL_EMPTY_SPACE; /* EMC */
+ case 0x4d: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x4e: return EL_INVISIBLE_WALL; /* EMC (? "android") */
+ case 0x4f: return EL_UNKNOWN; /* EMC ("android") */
+
+ case 0x50: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x51: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x52: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x53: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x54: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x55: return EL_EMPTY_SPACE; /* EMC */
+ case 0x56: return EL_EMPTY_SPACE; /* EMC */
+ case 0x57: return EL_EMPTY_SPACE; /* EMC */
+ case 0x58: return EL_EMPTY_SPACE; /* EMC */
+ case 0x59: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5a: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5b: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5c: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5d: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5e: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5f: return EL_EMPTY_SPACE; /* EMC */
+
+ case 0x60: return EL_EMPTY_SPACE; /* EMC */
+ case 0x61: return EL_EMPTY_SPACE; /* EMC */
+ case 0x62: return EL_EMPTY_SPACE; /* EMC */
+ case 0x63: return EL_SPRING; /* left */ /* EMC */
+ case 0x64: return EL_SPRING; /* right */ /* EMC */
+ case 0x65: return EL_ACID; /* 1 */ /* EMC */
+ case 0x66: return EL_ACID; /* 2 */ /* EMC */
+ case 0x67: return EL_ACID; /* 3 */ /* EMC */
+ case 0x68: return EL_ACID; /* 4 */ /* EMC */
+ case 0x69: return EL_ACID; /* 5 */ /* EMC */
+ case 0x6a: return EL_ACID; /* 6 */ /* EMC */
+ case 0x6b: return EL_ACID; /* 7 */ /* EMC */
+ case 0x6c: return EL_ACID; /* 8 */ /* EMC */
+ case 0x6d: return EL_EMPTY_SPACE; /* EMC */
+ case 0x6e: return EL_EMPTY_SPACE; /* EMC */
+ case 0x6f: return EL_EMPTY_SPACE; /* EMC */
+
+ case 0x70: return EL_EMPTY_SPACE; /* EMC */
+ case 0x71: return EL_EMPTY_SPACE; /* EMC */
+ case 0x72: return EL_NUT; /* left */ /* EMC */
+ case 0x73: return EL_SAND; /* EMC (? "nut") */
+ case 0x74: return EL_STEELWALL;
+ case 0x75: return EL_EMPTY_SPACE; /* EMC */
+ case 0x76: return EL_EMPTY_SPACE; /* EMC */
+ case 0x77: return EL_BOMB; /* left */ /* EMC */
+ case 0x78: return EL_BOMB; /* right */ /* EMC */
+ case 0x79: return EL_ROCK; /* left */ /* EMC */
+ case 0x7a: return EL_ROCK; /* right */ /* EMC */
+ case 0x7b: return EL_ACID; /* (? EMC "blank") */
+ case 0x7c: return EL_EMPTY_SPACE; /* EMC */
+ case 0x7d: return EL_EMPTY_SPACE; /* EMC */
+ case 0x7e: return EL_EMPTY_SPACE; /* EMC */
+ case 0x7f: return EL_EMPTY_SPACE; /* EMC */
+
+ case 0x80: return EL_EMPTY;
+ case 0x81: return EL_WALL_SLIPPERY;
+ case 0x82: return EL_SAND;
+ case 0x83: return EL_STEELWALL;
+ case 0x84: return EL_WALL;
+ case 0x85: return EL_EM_KEY_1;
+ case 0x86: return EL_EM_KEY_2;
+ case 0x87: return EL_EM_KEY_4;
+ case 0x88: return EL_EM_KEY_3;
+ case 0x89: return EL_EM_GATE_1;
+ case 0x8a: return EL_EM_GATE_2;
+ case 0x8b: return EL_EM_GATE_4;
+ case 0x8c: return EL_EM_GATE_3;
+ case 0x8d: return EL_INVISIBLE_WALL; /* EMC (? "dripper") */
+ case 0x8e: return EL_EM_GATE_1_GRAY;
+ case 0x8f: return EL_EM_GATE_2_GRAY;
+
+ case 0x90: return EL_EM_GATE_4_GRAY;
+ case 0x91: return EL_EM_GATE_3_GRAY;
+ case 0x92: return EL_MAGIC_WALL;
+ case 0x93: return EL_ROBOT_WHEEL;
+ case 0x94: return EL_QUICKSAND_EMPTY; /* (? EMC "sand") */
+ case 0x95: return EL_ACID_POOL_TOPLEFT;
+ case 0x96: return EL_ACID_POOL_TOPRIGHT;
+ case 0x97: return EL_ACID_POOL_BOTTOMLEFT;
+ case 0x98: return EL_ACID_POOL_BOTTOMRIGHT;
+ case 0x99: return EL_ACID; /* (? EMC "fake blank") */
+ case 0x9a: return EL_AMOEBA_DEAD; /* 1 */
+ case 0x9b: return EL_AMOEBA_DEAD; /* 2 */
+ case 0x9c: return EL_AMOEBA_DEAD; /* 3 */
+ case 0x9d: return EL_AMOEBA_DEAD; /* 4 */
+ case 0x9e: return EL_EXIT_CLOSED;
+ case 0x9f: return EL_CHAR_LESS; /* arrow left */
+
+ /* looks like normal sand, but behaves like wall */
+ case 0xa0: return EL_UNKNOWN; /* EMC ("fake grass") */
+ case 0xa1: return EL_UNKNOWN; /* EMC ("lenses") */
+ case 0xa2: return EL_UNKNOWN; /* EMC ("magnify") */
+ case 0xa3: return EL_UNKNOWN; /* EMC ("fake blank") */
+ case 0xa4: return EL_UNKNOWN; /* EMC ("fake grass") */
+ case 0xa5: return EL_UNKNOWN; /* EMC ("switch") */
+ case 0xa6: return EL_UNKNOWN; /* EMC ("switch") */
+ case 0xa7: return EL_EMPTY_SPACE; /* EMC */
+ case 0xa8: return EL_EMC_WALL_1; /* EMC ("decor 8") */
+ case 0xa9: return EL_EMC_WALL_2; /* EMC ("decor 9") */
+ case 0xaa: return EL_EMC_WALL_3; /* EMC ("decor 10") */
+ case 0xab: return EL_EMC_WALL_7; /* EMC ("decor 5") */
+ case 0xac: return EL_CHAR_COMMA; /* EMC */
+ case 0xad: return EL_CHAR_QUOTEDBL; /* EMC */
+ case 0xae: return EL_CHAR_MINUS; /* EMC */
+ case 0xaf: return EL_DYNAMITE;
+
+ case 0xb0: return EL_EMC_STEELWALL_1; /* EMC ("steel 3") */
+ case 0xb1: return EL_EMC_WALL_8; /* EMC ("decor 6") */
+ case 0xb2: return EL_UNKNOWN; /* EMC ("decor 7") */
+ case 0xb3: return EL_STEELWALL; /* 2 */ /* EMC */
+ case 0xb4: return EL_WALL_SLIPPERY; /* 2 */ /* EMC */
+ case 0xb5: return EL_EMC_WALL_6; /* EMC ("decor 2") */
+ case 0xb6: return EL_EMC_WALL_5; /* EMC ("decor 4") */
+ case 0xb7: return EL_EMC_WALL_4; /* EMC ("decor 3") */
+ case 0xb8: return EL_BALLOON_SWITCH_ANY; /* EMC */
+ case 0xb9: return EL_BALLOON_SWITCH_RIGHT; /* EMC */
+ case 0xba: return EL_BALLOON_SWITCH_DOWN; /* EMC */
+ case 0xbb: return EL_BALLOON_SWITCH_LEFT; /* EMC */
+ case 0xbc: return EL_BALLOON_SWITCH_UP; /* EMC */
+ case 0xbd: return EL_SAND; /* EMC ("dirt") */
+ case 0xbe: return EL_UNKNOWN; /* EMC ("plant") */
+ case 0xbf: return EL_UNKNOWN; /* EMC ("key 5") */
+
+ case 0xc0: return EL_UNKNOWN; /* EMC ("key 6") */
+ case 0xc1: return EL_UNKNOWN; /* EMC ("key 7") */
+ case 0xc2: return EL_UNKNOWN; /* EMC ("key 8") */
+ case 0xc3: return EL_UNKNOWN; /* EMC ("door 5") */
+ case 0xc4: return EL_UNKNOWN; /* EMC ("door 6") */
+ case 0xc5: return EL_UNKNOWN; /* EMC ("door 7") */
+ case 0xc6: return EL_UNKNOWN; /* EMC ("door 8") */
+ case 0xc7: return EL_UNKNOWN; /* EMC ("bumper") */
+
+ /* characters: see above */
+
+ case 0xec: return EL_CHAR_PERIOD;
+ case 0xed: return EL_CHAR_EXCLAM;
+ case 0xee: return EL_CHAR_COLON;
+ case 0xef: return EL_CHAR_QUESTION;
+
+ case 0xf0: return EL_CHAR_GREATER; /* arrow right */
+ case 0xf1: return EL_CHAR_COPYRIGHT; /* EMC: "decor 1" */
+ case 0xf2: return EL_UNKNOWN; /* EMC ("fake door 5") */
+ case 0xf3: return EL_UNKNOWN; /* EMC ("fake door 6") */
+ case 0xf4: return EL_UNKNOWN; /* EMC ("fake door 7") */
+ case 0xf5: return EL_UNKNOWN; /* EMC ("fake door 8") */
+ case 0xf6: return EL_EMPTY_SPACE; /* EMC */
+ case 0xf7: return EL_EMPTY_SPACE; /* EMC */
+
+ case 0xf8: return EL_EMPTY_SPACE; /* EMC */
+ case 0xf9: return EL_EMPTY_SPACE; /* EMC */
+ case 0xfa: return EL_EMPTY_SPACE; /* EMC */
+ case 0xfb: return EL_EMPTY_SPACE; /* EMC */
+ case 0xfc: return EL_EMPTY_SPACE; /* EMC */
+ case 0xfd: return EL_EMPTY_SPACE; /* EMC */
+
+ case 0xfe: return EL_PLAYER_1; /* EMC: "blank" */
+ case 0xff: return EL_PLAYER_2; /* EMC: "blank" */
+
+ default:
+ /* should never happen (all 8-bit value cases should be handled) */
+ Error(ERR_WARN, "invalid level element %d", element);
+ return EL_UNKNOWN;
+ }
+}
+
+#define EM_LEVEL_SIZE 2106
+#define EM_LEVEL_XSIZE 64
+#define EM_LEVEL_YSIZE 32
+
+static void OLD_LoadLevelFromFileInfo_EM(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info)
+{
+ char *filename = level_file_info->filename;
+ FILE *file;
+ unsigned char leveldata[EM_LEVEL_SIZE];
+ unsigned char *header = &leveldata[EM_LEVEL_XSIZE * EM_LEVEL_YSIZE];
+ int nr = level_file_info->nr;
+ 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;
+ }
+
+ for (i = 0; i < EM_LEVEL_SIZE; i++)
+ leveldata[i] = fgetc(file);
+
+ fclose(file);
+
+ /* check if level data is crypted by testing against known starting bytes
+ of the few existing crypted level files (from Emerald Mine 1 + 2) */
+
+ if ((leveldata[0] == 0xf1 ||
+ leveldata[0] == 0xf5) && leveldata[2] == 0xe7 && leveldata[3] == 0xee)
+ {
+ unsigned char code0 = 0x65;
+ unsigned char code1 = 0x11;
+
+ if (leveldata[0] == 0xf5) /* error in crypted Emerald Mine 2 levels */
+ leveldata[0] = 0xf1;
+
+ /* decode crypted level data */
+
+ for (i = 0; i < EM_LEVEL_SIZE; i++)
+ {
+ leveldata[i] ^= code0;
+ leveldata[i] -= code1;
+
+ code0 = (code0 + 7) & 0xff;
+ }
+ }
+
+ level->fieldx = EM_LEVEL_XSIZE;
+ level->fieldy = EM_LEVEL_YSIZE;
+
+ level->time = header[46] * 10;
+ level->gems_needed = header[47];
+
+ /* The original Emerald Mine levels have their level number stored
+ at the second byte of the level file...
+ Do not trust this information at other level files, e.g. EMC,
+ but correct it anyway (normally the first row is completely
+ steel wall, so the correction does not hurt anyway). */
+
+ if (leveldata[1] == nr)
+ leveldata[1] = leveldata[2]; /* correct level number field */
+
+ sprintf(level->name, "Level %d", nr); /* set level name */
+
+ level->score[SC_EMERALD] = header[36];
+ level->score[SC_DIAMOND] = header[37];
+ level->score[SC_ROBOT] = header[38];
+ level->score[SC_SPACESHIP] = header[39];
+ level->score[SC_BUG] = header[40];
+ level->score[SC_YAMYAM] = header[41];
+ level->score[SC_NUT] = header[42];
+ level->score[SC_DYNAMITE] = header[43];
+ level->score[SC_TIME_BONUS] = header[44];
+
+ level->num_yamyam_contents = 4;
+
+ for (i = 0; i < level->num_yamyam_contents; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i][x][y] =
+ map_em_element_yam(header[i * 9 + y * 3 + x]);
+
+ level->amoeba_speed = (header[52] * 256 + header[53]) % 256;
+ level->time_magic_wall = (header[54] * 256 + header[55]) * 16 / 100;
+ level->time_wheel = (header[56] * 256 + header[57]) * 16 / 100;
+ level->amoeba_content = EL_DIAMOND;
+
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ {
+ int new_element = map_em_element_field(leveldata[y * EM_LEVEL_XSIZE + x]);
+
+ if (new_element == EL_AMOEBA_DEAD && level->amoeba_speed)
+ new_element = EL_AMOEBA_WET;
+
+ level->field[x][y] = new_element;
+ }
+
+ x = (header[48] * 256 + header[49]) % EM_LEVEL_XSIZE;
+ y = (header[48] * 256 + header[49]) / EM_LEVEL_XSIZE;
+ level->field[x][y] = EL_PLAYER_1;
+
+ x = (header[50] * 256 + header[51]) % EM_LEVEL_XSIZE;
+ y = (header[50] * 256 + header[51]) / EM_LEVEL_XSIZE;
+ level->field[x][y] = EL_PLAYER_2;
+}
+
+#else
+
+void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
+{
+ static int ball_xy[8][2] =
+ {
+ { 0, 0 },
+ { 1, 0 },
+ { 2, 0 },
+ { 0, 1 },
+ { 2, 1 },
+ { 0, 2 },
+ { 1, 2 },
+ { 2, 2 },
+ };
+ struct LevelInfo_EM *level_em = level->native_em_level;
+ struct LEVEL *lev = level_em->lev;
+ struct PLAYER *ply1 = level_em->ply1;
+ struct PLAYER *ply2 = level_em->ply2;
+ int i, j, x, y;
+
+ lev->width = MIN(level->fieldx, EM_MAX_CAVE_WIDTH);
+ lev->height = MIN(level->fieldy, EM_MAX_CAVE_HEIGHT);
+
+ lev->time_seconds = level->time;
+ lev->required_initial = level->gems_needed;
+
+ lev->emerald_score = level->score[SC_EMERALD];
+ lev->diamond_score = level->score[SC_DIAMOND];
+ lev->alien_score = level->score[SC_ROBOT];
+ lev->tank_score = level->score[SC_SPACESHIP];
+ lev->bug_score = level->score[SC_BUG];
+ lev->eater_score = level->score[SC_YAMYAM];
+ lev->nut_score = level->score[SC_NUT];
+ lev->dynamite_score = level->score[SC_DYNAMITE];
+ lev->key_score = level->score[SC_KEY];
+ lev->exit_score = level->score[SC_TIME_BONUS];
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ lev->eater_array[i][y * 3 + x] =
+ map_element_RND_to_EM(level->yamyam_content[i][x][y]);
+
+ lev->amoeba_time = level->amoeba_speed;
+ lev->wonderwall_time_initial = level->time_magic_wall;
+ lev->wheel_time = level->time_wheel;
+
+ lev->android_move_time = level->android_move_time;
+ lev->android_clone_time = level->android_clone_time;
+ lev->ball_random = level->ball_random;
+ lev->ball_state_initial = level->ball_state_initial;
+ lev->ball_time = level->ball_time;
+
+ lev->lenses_score = level->lenses_score;
+ lev->magnify_score = level->magnify_score;
+ lev->slurp_score = level->slurp_score;
+
+ lev->lenses_time = level->lenses_time;
+ lev->magnify_time = level->magnify_time;
+ lev->wind_direction_initial = level->wind_direction_initial;
+
+ for (i = 0; i < NUM_MAGIC_BALL_CONTENTS; i++)
+ for (j = 0; j < 8; j++)
+ lev->ball_array[i][j] =
+ map_element_RND_to_EM(level->
+ ball_content[i][ball_xy[j][0]][ball_xy[j][1]]);
+
+ for (i = 0; i < 16; i++)
+ lev->android_array[i] = FALSE; /* !!! YET TO COME !!! */
+
+ /* first fill the complete playfield with the default border element */
+ for (y = 0; y < EM_MAX_CAVE_HEIGHT; y++)
+ for (x = 0; x < EM_MAX_CAVE_WIDTH; x++)
+ level_em->cave[x][y] = ZBORDER;
+
+ /* then copy the real level contents from level file into the playfield */
+ for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++)
+ {
+ int new_element = map_element_RND_to_EM(level->field[x][y]);
+
+ if (level->field[x][y] == EL_AMOEBA_DEAD)
+ new_element = map_element_RND_to_EM(EL_AMOEBA_WET);
+
+ level_em->cave[x + 1][y + 1] = new_element;
+ }
+
+ ply1->x_initial = 0;
+ ply1->y_initial = 0;
+
+ ply2->x_initial = 0;
+ ply2->y_initial = 0;
+
+ /* initialize player positions and delete players from the playfield */
+ for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++)
+ {
+ if (level->field[x][y] == EL_PLAYER_1)
+ {
+ ply1->x_initial = x + 1;
+ ply1->y_initial = y + 1;
+ level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_EMPTY);
+ }
+ else if (level->field[x][y] == EL_PLAYER_2)
+ {
+ ply2->x_initial = x + 1;
+ ply2->y_initial = y + 1;
+ level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_EMPTY);
+ }
+ }
+}
+
+void CopyNativeLevel_EM_to_RND(struct LevelInfo *level)
+{
+ static int ball_xy[8][2] =
+ {
+ { 0, 0 },
+ { 1, 0 },
+ { 2, 0 },
+ { 0, 1 },
+ { 2, 1 },
+ { 0, 2 },
+ { 1, 2 },
+ { 2, 2 },
+ };
+ struct LevelInfo_EM *level_em = level->native_em_level;
+ struct LEVEL *lev = level_em->lev;
+ struct PLAYER *ply1 = level_em->ply1;
+ struct PLAYER *ply2 = level_em->ply2;
+ int i, j, x, y;
+
+ level->fieldx = MIN(lev->width, MAX_LEV_FIELDX);
+ level->fieldy = MIN(lev->height, MAX_LEV_FIELDY);
+
+ level->time = lev->time_seconds;
+ level->gems_needed = lev->required_initial;
+
+ sprintf(level->name, "Level %d", level->file_info.nr);
+
+ level->score[SC_EMERALD] = lev->emerald_score;
+ level->score[SC_DIAMOND] = lev->diamond_score;
+ level->score[SC_ROBOT] = lev->alien_score;
+ level->score[SC_SPACESHIP] = lev->tank_score;
+ level->score[SC_BUG] = lev->bug_score;
+ level->score[SC_YAMYAM] = lev->eater_score;
+ level->score[SC_NUT] = lev->nut_score;
+ level->score[SC_DYNAMITE] = lev->dynamite_score;
+ level->score[SC_KEY] = lev->key_score;
+ level->score[SC_TIME_BONUS] = lev->exit_score;
+
+ level->num_yamyam_contents = MAX_ELEMENT_CONTENTS;
+
+ for (i = 0; i < level->num_yamyam_contents; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i][x][y] =
+ map_element_EM_to_RND(lev->eater_array[i][y * 3 + x]);
+
+ level->amoeba_speed = lev->amoeba_time;
+ level->time_magic_wall = lev->wonderwall_time_initial;
+ level->time_wheel = lev->wheel_time;
+
+ level->android_move_time = lev->android_move_time;
+ level->android_clone_time = lev->android_clone_time;
+ level->ball_random = lev->ball_random;
+ level->ball_state_initial = lev->ball_state_initial;
+ level->ball_time = lev->ball_time;
+
+ level->lenses_score = lev->lenses_score;
+ level->magnify_score = lev->magnify_score;
+ level->slurp_score = lev->slurp_score;
+
+ level->lenses_time = lev->lenses_time;
+ level->magnify_time = lev->magnify_time;
+ level->wind_direction_initial = lev->wind_direction_initial;
+
+ for (i = 0; i < NUM_MAGIC_BALL_CONTENTS; i++)
+ for (j = 0; j < 8; j++)
+ level->ball_content[i][ball_xy[j][0]][ball_xy[j][1]] =
+ map_element_EM_to_RND(lev->ball_array[i][j]);
+
+ for (i = 0; i < 16; i++)
+ level->android_array[i] = FALSE; /* !!! YET TO COME !!! */
+
+ /* convert the playfield (some elements need special treatment) */
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ {
+ int new_element = map_element_EM_to_RND(level_em->cave[x + 1][y + 1]);
+
+ if (new_element == EL_AMOEBA_WET && level->amoeba_speed == 0)
+ new_element = EL_AMOEBA_DEAD;
+
+ level->field[x][y] = new_element;
+ }
+
+ /* in case of both players set to the same field, use the first player */
+ level->field[ply2->x_initial - 1][ply2->y_initial - 1] = EL_PLAYER_2;
+ level->field[ply1->x_initial - 1][ply1->y_initial - 1] = EL_PLAYER_1;
+
+#if 0
+ printf("::: native Emerald Mine file version: %d\n", level_em->file_version);
+#endif
+}
+
+static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info)
+{
+ if (!LoadNativeLevel_EM(level_file_info->filename))
+ level->no_valid_file = TRUE;
+}
+
+#endif
+
+void CopyNativeLevel_RND_to_Native(struct LevelInfo *level)
+{
+ if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
+ CopyNativeLevel_RND_to_EM(level);
+}
+
+void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
+{
+ if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
+ CopyNativeLevel_EM_to_RND(level);
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading SP level */
+/* ------------------------------------------------------------------------- */
+
+#define NUM_SUPAPLEX_LEVELS_PER_PACKAGE 111
+#define SP_LEVEL_SIZE 1536
+#define SP_LEVEL_XSIZE 60
+#define SP_LEVEL_YSIZE 24
+#define SP_LEVEL_NAME_LEN 23
+
+static void LoadLevelFromFileStream_SP(FILE *file, struct LevelInfo *level,
+ int nr)
+{
+ int num_special_ports;
+ int i, x, y;
+
+ /* for details of the Supaplex level format, see Herman Perk's Supaplex
+ documentation file "SPFIX63.DOC" from his Supaplex "SpeedFix" package */
+
+ /* read level body (width * height == 60 * 24 tiles == 1440 bytes) */
+ for (y = 0; y < SP_LEVEL_YSIZE; y++)
+ {
+ for (x = 0; x < SP_LEVEL_XSIZE; x++)
+ {
+ int element_old = fgetc(file);
+ 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, "in level %d, at position %d, %d:", nr, x, y);
+ Error(ERR_WARN, "invalid level element %d", element_old);
+
+ element_new = EL_UNKNOWN;
+ }
+
+ level->field[x][y] = element_new;
+ }
+ }
+
+ ReadUnusedBytesFromFile(file, 4); /* (not used by Supaplex engine) */
+
+ /* initial gravity: 1 == "on", anything else (0) == "off" */
+ level->initial_gravity = (fgetc(file) == 1 ? TRUE : FALSE);
+
+ ReadUnusedBytesFromFile(file, 1); /* (not used by Supaplex engine) */
+
+ /* level title in uppercase letters, padded with dashes ("-") (23 bytes) */
+ for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
+ level->name[i] = fgetc(file);
+ level->name[SP_LEVEL_NAME_LEN] = '\0';
+
+ /* initial "freeze zonks": 2 == "on", anything else (0, 1) == "off" */
+ ReadUnusedBytesFromFile(file, 1); /* (not used by R'n'D engine) */
+
+ /* number of infotrons needed; 0 means that Supaplex will count the total
+ amount of infotrons in the level and use the low byte of that number
+ (a multiple of 256 infotrons will result in "0 infotrons needed"!) */
+ level->gems_needed = fgetc(file);
+
+ /* number of special ("gravity") port entries below (maximum 10 allowed) */
+ num_special_ports = fgetc(file);
+
+ /* database of properties of up to 10 special ports (6 bytes per port) */
+ for (i = 0; i < 10; i++)
+ {
+ int port_location, port_x, port_y, port_element;
+ int gravity;
+
+ /* high and low byte of the location of a special port; if (x, y) are the
+ coordinates of a port in the field and (0, 0) is the top-left corner,
+ the 16 bit value here calculates as 2 * (x + (y * 60)) (this is twice
+ of what may be expected: Supaplex works with a game field in memory
+ which is 2 bytes per tile) */
+ port_location = getFile16BitBE(file);
+
+ /* change gravity: 1 == "turn on", anything else (0) == "turn off" */
+ gravity = fgetc(file);
+
+ /* "freeze zonks": 2 == "turn on", anything else (0, 1) == "turn off" */
+ ReadUnusedBytesFromFile(file, 1); /* (not used by R'n'D engine) */
+
+ /* "freeze enemies": 1 == "turn on", anything else (0) == "turn off" */
+ ReadUnusedBytesFromFile(file, 1); /* (not used by R'n'D engine) */
+
+ ReadUnusedBytesFromFile(file, 1); /* (not used by Supaplex engine) */
+
+ if (i >= num_special_ports)
+ continue;