+static void SaveLevel_HEAD(struct LevelInfo *level, FILE *file)
+{
+ int i, x, y;
+
+ fputc(level->fieldx, file);
+ fputc(level->fieldy, file);
+
+ putFile16BitInteger(file, level->time, BYTE_ORDER_BIG_ENDIAN);
+ putFile16BitInteger(file, level->gems_needed, BYTE_ORDER_BIG_ENDIAN);
+
+ for(i=0; i<MAX_LEVEL_NAME_LEN; i++)
+ fputc(level->name[i], file);
+
+ for(i=0; i<LEVEL_SCORE_ELEMENTS; i++)
+ fputc(level->score[i], file);
+
+ for(i=0; i<STD_ELEMENT_CONTENTS; i++)
+ for(y=0; y<3; y++)
+ for(x=0; x<3; x++)
+ fputc((level->encoding_16bit ? EL_LEERRAUM :
+ level->yam_content[i][x][y]),
+ file);
+ fputc(level->amoeba_speed, file);
+ fputc(level->time_magic_wall, file);
+ fputc(level->time_wheel, file);
+ fputc(level->amoeba_content, file);
+ fputc((level->double_speed ? 1 : 0), file);
+ fputc((level->gravity ? 1 : 0), file);
+
+ fputc((level->encoding_16bit ? 1 : 0), file);
+
+ WriteUnusedBytesToFile(file, LEVEL_HEADER_UNUSED);
+}
+
+static void SaveLevel_AUTH(struct LevelInfo *level, FILE *file)
+{
+ int i;
+
+ for(i=0; i<MAX_LEVEL_AUTHOR_LEN; i++)
+ fputc(level->author[i], file);
+}
+
+static void SaveLevel_CONT(struct LevelInfo *level, FILE *file)
+{
+ int i, x, y;
+
+ fputc(EL_MAMPFER, file);
+ fputc(level->num_yam_contents, file);
+ fputc(0, file);
+ fputc(0, file);
+
+ for(i=0; i<MAX_ELEMENT_CONTENTS; i++)
+ for(y=0; y<3; y++)
+ for(x=0; x<3; x++)
+ if (level->encoding_16bit)
+ putFile16BitInteger(file, level->yam_content[i][x][y],
+ BYTE_ORDER_BIG_ENDIAN);
+ else
+ fputc(level->yam_content[i][x][y], file);
+}
+
+static void SaveLevel_BODY(struct LevelInfo *level, FILE *file)
+{
+ int x, y;
+
+ for(y=0; y<lev_fieldy; y++)
+ for(x=0; x<lev_fieldx; x++)
+ if (level->encoding_16bit)
+ putFile16BitInteger(file, Ur[x][y], BYTE_ORDER_BIG_ENDIAN);
+ else
+ fputc(Ur[x][y], file);
+}
+
+static void SaveLevel_CNT2(struct LevelInfo *level, FILE *file, int element)
+{
+ int i, x, y;
+ int num_contents, content_xsize, content_ysize;
+ int content_array[MAX_ELEMENT_CONTENTS][3][3];
+
+ if (element == EL_MAMPFER)
+ {
+ num_contents = level->num_yam_contents;
+ content_xsize = 3;
+ content_ysize = 3;
+
+ 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] = level->yam_content[i][x][y];
+ }
+ else if (element == EL_AMOEBE_BD)
+ {
+ num_contents = 1;
+ content_xsize = 1;
+ content_ysize = 1;
+
+ 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] = EL_LEERRAUM;
+ content_array[0][0][0] = level->amoeba_content;
+ }
+ else
+ {
+ /* chunk header already written -- write empty chunk data */
+ for(i=0; i<LEVEL_CHUNK_CNT2_SIZE; i++)
+ fputc(0, file);
+
+ Error(ERR_WARN, "cannot save content for element '%d'", element);
+ return;
+ }
+
+ putFile16BitInteger(file, element, BYTE_ORDER_BIG_ENDIAN);
+ fputc(num_contents, file);
+ fputc(content_xsize, file);
+ fputc(content_ysize, file);
+ for(i=0; i<LEVEL_CHUNK_CNT2_UNUSED; i++)
+ fputc(0, file);
+
+ for(i=0; i<MAX_ELEMENT_CONTENTS; i++)
+ for(y=0; y<3; y++)
+ for(x=0; x<3; x++)
+ putFile16BitInteger(file, content_array[i][x][y],
+ BYTE_ORDER_BIG_ENDIAN);
+}
+
+void SaveLevel(int level_nr)
+{
+ int i, x, y;
+ char *filename = getLevelFilename(level_nr);
+#if 1
+ boolean encoding_16bit_amoeba = FALSE;
+ boolean encoding_16bit_yamyam = FALSE;
+#endif
+#if 0
+ boolean encoding_16bit = FALSE; /* default: only 8-bit elements */
+ char *oldest_possible_cookie;
+#endif
+ int chunk_size;
+ FILE *file;
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Error(ERR_WARN, "cannot save level file '%s'", filename);
+ return;
+ }
+
+ /* check level field for 16-bit elements */
+ for(y=0; y<lev_fieldy; y++)
+ for(x=0; x<lev_fieldx; x++)
+ if (Ur[x][y] > 255)
+ level.encoding_16bit = TRUE;
+
+ /* check yam content for 16-bit elements */
+ for(i=0; i<MAX_ELEMENT_CONTENTS; i++)
+ for(y=0; y<3; y++)
+ for(x=0; x<3; x++)
+ if (level.yam_content[i][x][y] > 255)
+ encoding_16bit_yamyam = TRUE;
+
+ /* check amoeba content for 16-bit elements */
+ if (level.amoeba_content > 255)
+ encoding_16bit_amoeba = TRUE;
+
+ fputs(LEVEL_COOKIE, file); /* file identifier */
+ fputc('\n', file);
+
+ putFileChunk(file, "HEAD", LEVEL_HEADER_SIZE, BYTE_ORDER_BIG_ENDIAN);
+ SaveLevel_HEAD(&level, file);
+
+ putFileChunk(file, "AUTH", MAX_LEVEL_AUTHOR_LEN, BYTE_ORDER_BIG_ENDIAN);
+ SaveLevel_AUTH(&level, file);
+
+ if (0 && level.encoding_16bit) /* obsolete since new "CNT2" chunk */
+ {
+ chunk_size = 4 + 2 * (MAX_ELEMENT_CONTENTS * 3 * 3);
+
+ putFileChunk(file, "CONT", chunk_size, BYTE_ORDER_BIG_ENDIAN);
+ SaveLevel_CONT(&level, file);
+ }
+
+ chunk_size = level.fieldx * level.fieldy * (level.encoding_16bit ? 2 : 1);
+ putFileChunk(file, "BODY", chunk_size, BYTE_ORDER_BIG_ENDIAN);
+ SaveLevel_BODY(&level, file);
+
+ if (encoding_16bit_yamyam)
+ {
+ putFileChunk(file, "CNT2", LEVEL_CHUNK_CNT2_SIZE, BYTE_ORDER_BIG_ENDIAN);
+ SaveLevel_CNT2(&level, file, EL_MAMPFER);
+ }
+
+ if (encoding_16bit_amoeba)
+ {
+ putFileChunk(file, "CNT2", LEVEL_CHUNK_CNT2_SIZE, BYTE_ORDER_BIG_ENDIAN);
+ SaveLevel_CNT2(&level, file, EL_AMOEBE_BD);
+ }
+
+ fclose(file);
+
+ chmod(filename, LEVEL_PERMS);
+}
+