X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=output.c;h=a403488375b878a2035259267c2df9dd1dbfd41e;hb=HEAD;hp=bc19a4a84894e7e0801c363d5ada0f6c734ca7f2;hpb=23bf530a0df2de1a5075a33a3eb790a286c304bd;p=pgn-extract

diff --git a/output.c b/output.c
index bc19a4a..a403488 100644
--- a/output.c
+++ b/output.c
@@ -36,6 +36,7 @@
 #include "output.h"
 #include "mymalloc.h"
 #include "eco.h"
+#include "farmhash-c.h"
 
 
             /* Functions for outputting games in the required format. */
@@ -65,7 +66,8 @@ static void print_algebraic_game(Game current_game,FILE *outputfile,
                            unsigned move_number,Boolean white_to_move,
                            Board *final_board);
 static void output_sesse_bin_game(Game current_game,FILE *outputfile,
-                                  unsigned move_number,Boolean white_to_move);
+                                  unsigned move_number,Boolean white_to_move,
+                                  Board *final_board);
 static void print_epd_game(Game current_game,FILE *outputfile,
                            unsigned move_number,Boolean white_to_move,
                            Board *final_board);
@@ -1005,7 +1007,8 @@ output_game(Game current_game,FILE *outputfile)
 		output_cm_game(outputfile,move_number,white_to_move,current_game);
 		break;
 	    case SESSE_BIN:
-		output_sesse_bin_game(current_game,outputfile,move_number,white_to_move);
+		output_sesse_bin_game(current_game,outputfile,move_number,white_to_move,
+                                      final_board);
 		break;
 	    default:
 		fprintf(GlobalState.logfile,
@@ -1169,13 +1172,18 @@ print_algebraic_game(Game current_game,FILE *outputfile,
 
 static void
 output_sesse_bin_game(Game current_game,FILE *outputfile,
-                      unsigned move_number,Boolean white_to_move)
+                      unsigned move_number,Boolean white_to_move,
+                      Board* final_board)
 {
     const char *result = NULL;
     Move *move;
 
     // Find the result. Skip games with no result.
     for (move = current_game.moves; move != NULL; move = move->next) {
+        if (move->class == NULL_MOVE) {
+            // Skip games with null moves.
+            return;
+        }
         if (move->terminating_result) {
             result = move->terminating_result;
         }
@@ -1196,15 +1204,19 @@ output_sesse_bin_game(Game current_game,FILE *outputfile,
         return;
     }
 
-    // Find Black and White Elos. Skip games with no Elo.
+    // Find Black and White Elos.
     const char *white_elo_tag = current_game.tags[WHITE_ELO_TAG];
     const char *black_elo_tag = current_game.tags[BLACK_ELO_TAG];
-    if (white_elo_tag == NULL || black_elo_tag == NULL) {
-        return;
+    int white_elo = 0, black_elo = 0;
+    if (white_elo_tag) {
+        white_elo = atoi(white_elo_tag);
     }
-
-    int white_elo = atoi(white_elo_tag);
-    int black_elo = atoi(black_elo_tag);
+    if (black_elo_tag) {
+        black_elo = atoi(black_elo_tag);
+    }
+    int file_num = current_game.file_number;
+    long start_position = current_game.start_position;
+    int computer_flag = GlobalState.computer_flag;
 
     // Parse date and time, if it exists. Set invalid dates to year 3000.
     const char *date_tag = current_game.tags[DATE_TAG];
@@ -1228,13 +1240,16 @@ output_sesse_bin_game(Game current_game,FILE *outputfile,
         timestamp = 32503680000;
     }
 
+    uint16_t prev_board_hash = 0;
+    unsigned int opening;
+
     for (move = current_game.moves; move != NULL; move = move->next) {
-        unsigned int opening = move->eco ? move->eco->cumulative_hash_value : 0;  // Truncate to 32 bits.
+        opening = move->eco ? move->eco->cumulative_hash_value : 0;  // Truncate to 32 bits.
 
         // key
-        putc(move->bpfen_len + strlen((char *)move->move), outputfile);
+        putc(move->bpfen_len + sizeof(prev_board_hash), outputfile);
         fwrite(move->bpfen, move->bpfen_len, 1, outputfile);
-        fwrite(move->move, strlen((char *)move->move), 1, outputfile);
+        fwrite(&prev_board_hash, sizeof(prev_board_hash), 1, outputfile);
 
         // value
         putc(result_int, outputfile);
@@ -1242,7 +1257,37 @@ output_sesse_bin_game(Game current_game,FILE *outputfile,
         fwrite(&black_elo, sizeof(black_elo), 1, outputfile);
         fwrite(&opening, sizeof(opening), 1, outputfile);
         fwrite(&timestamp, sizeof(timestamp), 1, outputfile);
+        fwrite(&file_num, sizeof(file_num), 1, outputfile);
+        fwrite(&start_position, sizeof(start_position), 1, outputfile);
+        putc(computer_flag, outputfile);
+        putc(strlen((char *)move->move), outputfile);
+        fwrite(move->move, strlen((char *)move->move), 1, outputfile);
+
+        prev_board_hash = farmhash_32(move->bpfen, move->bpfen_len);
     }
+
+    // Final position.
+    char *bpfen;
+    int bpfen_len;
+    build_BPFEN_string(final_board, &bpfen, &bpfen_len);
+
+    // key
+    putc(bpfen_len + sizeof(prev_board_hash), outputfile);
+    fwrite(bpfen, bpfen_len, 1, outputfile);
+    fwrite(&prev_board_hash, sizeof(prev_board_hash), 1, outputfile);
+
+    // value
+    putc(result_int, outputfile);
+    fwrite(&white_elo, sizeof(white_elo), 1, outputfile);
+    fwrite(&black_elo, sizeof(black_elo), 1, outputfile);
+    fwrite(&opening, sizeof(opening), 1, outputfile);  // Not perfect, but should be OK.
+    fwrite(&timestamp, sizeof(timestamp), 1, outputfile);
+    fwrite(&file_num, sizeof(file_num), 1, outputfile);
+    fwrite(&start_position, sizeof(start_position), 1, outputfile);
+    putc(computer_flag, outputfile);
+    putc(0, outputfile);  // No move.
+
+    free(bpfen);
 }
 
 static void