diff options
Diffstat (limited to 'FICS')
| -rw-r--r-- | FICS/movecheck.c | 569 |
1 files changed, 330 insertions, 239 deletions
diff --git a/FICS/movecheck.c b/FICS/movecheck.c index 1f76780..99996eb 100644 --- a/FICS/movecheck.c +++ b/FICS/movecheck.c @@ -1125,260 +1125,351 @@ execute_move(game_state_t *gs, move_t *mt, int check_game_status) return MOVE_OK; } -PUBLIC int backup_move(int g, int mode) +PRIVATE void +piecetype_rook(int g, int mode, game_state_t *gs, move_t *m, move_t **m1) { - game_state_t *gs; - move_t *m, *m1; - int now, i; + int i; + + if (m->color == WHITE) { + if (m->fromFile == 0 && m->fromRank == 0) { + for (i = 2; i < garray[g].numHalfMoves - 1; i += 2) { + *m1 = ((mode == REL_GAME) + ? &garray[g].moveList[i] + : &garray[g].examMoveList[i]); + + if ((*m1)->fromFile == 0 && + (*m1)->fromRank == 0) + break; + } - if (garray[g].link >= 0) /*IanO: not implemented for bughouse yet */ - return MOVE_ILLEGAL; - if (garray[g].numHalfMoves < 1) - return MOVE_ILLEGAL; - gs = &garray[g].game_state; - m = (mode==REL_GAME) ? &garray[g].moveList[garray[g].numHalfMoves - 1] : - &garray[g].examMoveList[garray[g].numHalfMoves - 1]; - if (m->toFile < 0) { - return MOVE_ILLEGAL; - } - gs->board[m->fromFile][m->fromRank] = gs->board[m->toFile][m->toRank]; - if (m->piecePromotionTo != NOPIECE) { - gs->board[m->fromFile][m->fromRank] = PAWN | - colorval(gs->board[m->fromFile][m->fromRank]); - } - /****************** - When takeback a _first_ move of rook, the ??rmoved variable - must be cleared . To check, if the move is first, we should - scan moveList. - *******************/ - if (piecetype(gs->board[m->fromFile][m->fromRank]) == ROOK) { - if (m->color == WHITE) { - if ((m->fromFile == 0) && (m->fromRank == 0)) { - for (i = 2; i < garray[g].numHalfMoves - 1; i += 2) { - m1 = (mode==REL_GAME) ? &garray[g].moveList[i] : &garray[g].examMoveList[i]; - if ((m1->fromFile == 0) && (m1->fromRank == 0)) - break; - } - if (i == garray[g].numHalfMoves - 1) - gs->wqrmoved = 0; - } - if ((m->fromFile == 7) && (m->fromRank == 0)) { - for (i = 2; i < garray[g].numHalfMoves - 1; i += 2) { - m1 = (mode==REL_GAME) ? &garray[g].moveList[i] : &garray[g].examMoveList[i]; - if ((m1->fromFile == 7) && (m1->fromRank == 0)) - break; - } - if (i == garray[g].numHalfMoves - 1) - gs->wkrmoved = 0; - } - } else { - if ((m->fromFile == 0) && (m->fromRank == 7)) { - for (i = 3; i < garray[g].numHalfMoves - 1; i += 2) { - m1 = (mode==REL_GAME) ? &garray[g].moveList[i] : &garray[g].examMoveList[i]; - if ((m1->fromFile == 0) && (m1->fromRank == 0)) - break; - } - if (i == garray[g].numHalfMoves - 1) - gs->bqrmoved = 0; - } - if ((m->fromFile == 7) && (m->fromRank == 7)) { - for (i = 3; i < garray[g].numHalfMoves - 1; i += 2) { - m1 = (mode==REL_GAME) ? &garray[g].moveList[i] : &garray[g].examMoveList[i]; - if ((m1->fromFile == 7) && (m1->fromRank == 0)) - break; - } - if (i == garray[g].numHalfMoves - 1) - gs->bkrmoved = 0; - } - } - } - if (piecetype(gs->board[m->fromFile][m->fromRank]) == KING) { - gs->board[m->toFile][m->toRank] = m->pieceCaptured; - - if (m->toFile - m->fromFile == 2) { - gs->board[7][m->fromRank] = ROOK | - colorval(gs->board[m->fromFile][m->fromRank]); - gs->board[5][m->fromRank] = NOPIECE; - - /******** - If takeback a castling, the appropriates ??moved variables - must be cleared - ********/ - if (m->color == WHITE) { - gs->wkmoved = 0; - gs->wkrmoved = 0; - } else { - gs->bkmoved = 0; - gs->bkrmoved = 0; - } - goto cleanupMove; - } - if (m->fromFile - m->toFile == 2) { - gs->board[0][m->fromRank] = ROOK | - colorval(gs->board[m->fromFile][m->fromRank]); - gs->board[3][m->fromRank] = NOPIECE; - - /********** - If takeback a castling, the appropriate ??moved variables - must be cleared - ***********/ - if (m->color == WHITE) { - gs->wkmoved = 0; - gs->wqrmoved = 0; - } else { - gs->bkmoved = 0; - gs->bqrmoved = 0; - } - goto cleanupMove; - } - /****************** - When takeback a _first_ move of king (not the castling), - the ?kmoved variable must be cleared . To check, if the move is first, - we should scan moveList. - *******************/ - - if (m->color == WHITE) { - - if ((m->fromFile == 4) && (m->fromRank == 0)) { - for (i = 2; i < garray[g].numHalfMoves - 1; i += 2) { - m1 = (mode==REL_GAME) ? &garray[g].moveList[i] : &garray[g].examMoveList[i]; - if ((m1->fromFile == 4) && (m1->fromRank == 0)) - break; - } - if (i == garray[g].numHalfMoves - 1) - gs->wkmoved = 0; - } - } else { - if ((m->fromFile == 4) && (m->fromRank == 7)) { - for (i = 3; i < garray[g].numHalfMoves - 1; i += 2) { - m1 = (mode==REL_GAME) ? &garray[g].moveList[i] : &garray[g].examMoveList[i]; - if ((m1->fromFile == 4) && (m1->fromRank == 7)) - break; + if (i == (garray[g].numHalfMoves - 1)) + gs->wqrmoved = 0; + } + + if (m->fromFile == 7 && m->fromRank == 0) { + for (i = 2; i < garray[g].numHalfMoves - 1; i += 2) { + *m1 = ((mode == REL_GAME) + ? &garray[g].moveList[i] + : &garray[g].examMoveList[i]); + + if ((*m1)->fromFile == 7 && + (*m1)->fromRank == 0) + break; + } + + if (i == (garray[g].numHalfMoves - 1)) + gs->wkrmoved = 0; + } + } else { + if (m->fromFile == 0 && m->fromRank == 7) { + for (i = 3; i < garray[g].numHalfMoves - 1; i += 2) { + *m1 = ((mode == REL_GAME) + ? &garray[g].moveList[i] + : &garray[g].examMoveList[i]); + + if ((*m1)->fromFile == 0 && + (*m1)->fromRank == 0) + break; + } + + if (i == (garray[g].numHalfMoves - 1)) + gs->bqrmoved = 0; + } + + if (m->fromFile == 7 && m->fromRank == 7) { + for (i = 3; i < garray[g].numHalfMoves - 1; i += 2) { + *m1 = ((mode == REL_GAME) + ? &garray[g].moveList[i] + : &garray[g].examMoveList[i]); + + if ((*m1)->fromFile == 7 && + (*m1)->fromRank == 0) + break; + } + + if (i == (garray[g].numHalfMoves - 1)) + gs->bkrmoved = 0; + } } - if (i == garray[g].numHalfMoves - 1) - gs->bkmoved = 0; - } - } - } - if (m->enPassant) { /* Do enPassant */ - gs->board[m->toFile][m->fromRank] = PAWN | - (colorval(gs->board[m->fromFile][m->fromRank]) == WHITE ? BLACK : WHITE); - gs->board[m->toFile][m->toRank] = NOPIECE; - /* Should set the enpassant array, but I don't care right now */ - goto cleanupMove; - } - gs->board[m->toFile][m->toRank] = m->pieceCaptured; -cleanupMove: - if (garray[g].status != GAME_EXAMINE) { - game_update_time(g); - } - garray[g].numHalfMoves--; - if (garray[g].status != GAME_EXAMINE) { - if (garray[g].wInitTime) { /* Don't update times in untimed games */ - now = tenth_secs(); +} #ifdef TIMESEAL +PRIVATE void +backup_move_timeseal_block(int g, move_t *m) +{ + if (m->color == WHITE) { + if (con[parray[garray[g].white].socket].timeseal) { + garray[g].wRealTime += (m->tookTime * 100); + garray[g].wRealTime -= (garray[g].wIncrement * 100); + garray[g].wTime = (garray[g].wRealTime / 100); + + if (con[parray[garray[g].black].socket].timeseal) { + garray[g].bTime = (garray[g].bRealTime / 100); + } else { // Opp has no timeseal + garray[g].bTime += (garray[g].lastDecTime - + garray[g].lastMoveTime); + } + } else { // White has no timeseal + garray[g].wTime += m->tookTime; + garray[g].wTime -= garray[g].wIncrement; + + if (con[parray[garray[g].black].socket].timeseal) { + garray[g].bTime = (garray[g].bRealTime / 100); + } else { // Opp has no timeseal + garray[g].bTime += (garray[g].lastDecTime - + garray[g].lastMoveTime); + } + } + } else { + if (con[parray[garray[g].black].socket].timeseal) { + garray[g].bRealTime += (m->tookTime * 100); + garray[g].bRealTime -= (garray[g].wIncrement * 100); + garray[g].bTime = (garray[g].bRealTime / 100); + + if (con[parray[garray[g].white].socket].timeseal) { + garray[g].wTime = (garray[g].wRealTime / 100); + } else { // Opp has no timeseal + garray[g].wTime += (garray[g].lastDecTime - + garray[g].lastMoveTime); + } + } else { // Black has no timeseal + garray[g].bTime += m->tookTime; + + if (!garray[g].bIncrement) + garray[g].bTime -= garray[g].wIncrement; + else + garray[g].bTime -= garray[g].bIncrement; - if (m->color == WHITE) { - if (con[parray[garray[g].white].socket].timeseal) { /* white uses timeseal? */ - garray[g].wRealTime += (m->tookTime * 100); - garray[g].wRealTime -= (garray[g].wIncrement * 100); - garray[g].wTime = garray[g].wRealTime / 100; - if (con[parray[garray[g].black].socket].timeseal) { /* opp uses timeseal? */ - garray[g].bTime = garray[g].bRealTime / 100; - } else { /* opp has no timeseal */ - garray[g].bTime += (garray[g].lastDecTime - garray[g].lastMoveTime); - } - } else { /* white has no timeseal */ - garray[g].wTime += m->tookTime; - garray[g].wTime -= garray[g].wIncrement; - if (con[parray[garray[g].black].socket].timeseal) { /* opp uses timeseal? */ - garray[g].bTime = garray[g].bRealTime / 100; - } else { /* opp has no timeseal */ - garray[g].bTime += (garray[g].lastDecTime - garray[g].lastMoveTime); - } + if (con[parray[garray[g].white].socket].timeseal) { + garray[g].wTime = (garray[g].wRealTime / 100); + } else { // Opp has no timeseal + garray[g].wTime += (garray[g].lastDecTime - + garray[g].lastMoveTime); + } + } } - } else { - if (con[parray[garray[g].black].socket].timeseal) { /* black uses timeseal? */ - garray[g].bRealTime += (m->tookTime * 100); - garray[g].bRealTime -= (garray[g].wIncrement * 100); - garray[g].bTime = garray[g].bRealTime / 100; - if (con[parray[garray[g].white].socket].timeseal) { /* opp uses timeseal? */ - garray[g].wTime = garray[g].wRealTime / 100; - } else { /* opp has no timeseal */ - garray[g].wTime += (garray[g].lastDecTime - garray[g].lastMoveTime); - } - } else { /* black has no timeseal */ - garray[g].bTime += m->tookTime; - if (!garray[g].bIncrement) - garray[g].bTime -= garray[g].wIncrement; - else - garray[g].bTime -= garray[g].bIncrement; - if (con[parray[garray[g].white].socket].timeseal) { /* opp uses timeseal? */ - garray[g].wTime = garray[g].wRealTime / 100; - } else { /* opp has no timeseal */ - garray[g].wTime += (garray[g].lastDecTime - garray[g].lastMoveTime); - } +} +#endif // TIMESEAL + +PUBLIC int +backup_move(int g, int mode) +{ + game_state_t *gs; + int now, i; + move_t *m, *m1; + + if (garray[g].link >= 0) // Not implemented for bughouse yet. + return MOVE_ILLEGAL; + if (garray[g].numHalfMoves < 1) + return MOVE_ILLEGAL; + + gs = &garray[g].game_state; + m = ((mode == REL_GAME) + ? &garray[g].moveList[garray[g].numHalfMoves - 1] + : &garray[g].examMoveList[garray[g].numHalfMoves - 1]); + + if (m->toFile < 0) + return MOVE_ILLEGAL; + + gs->board[m->fromFile][m->fromRank] = gs->board[m->toFile][m->toRank]; + + if (m->piecePromotionTo != NOPIECE) { + gs->board[m->fromFile][m->fromRank] = (PAWN | + colorval(gs->board[m->fromFile][m->fromRank])); } - } -#else + /* + * When take back a _first_ move of rook, the ??rmoved + * variable must be cleared. To check if the move is first we + * should the scan move list. + */ + if (piecetype(gs->board[m->fromFile][m->fromRank]) == ROOK) + piecetype_rook(g, mode, gs, m, &m1); - if (m->color == WHITE) { - garray[g].wTime += m->tookTime; - garray[g].wTime = garray[g].wTime - garray[g].wIncrement; - garray[g].bTime += (garray[g].lastDecTime - garray[g].lastMoveTime); - } else { - garray[g].bTime += m->tookTime; - if (!garray[g].bIncrement) - garray[g].bTime = garray[g].bTime - garray[g].wIncrement; - else - garray[g].bTime = garray[g].bTime - garray[g].bIncrement; - garray[g].wTime += (garray[g].lastDecTime - garray[g].lastMoveTime); - } + if (piecetype(gs->board[m->fromFile][m->fromRank]) == KING) { + gs->board[m->toFile][m->toRank] = m->pieceCaptured; -#endif + if (m->toFile - m->fromFile == 2) { + gs->board[7][m->fromRank] = (ROOK | + colorval(gs->board[m->fromFile][m->fromRank])); + gs->board[5][m->fromRank] = NOPIECE; - if (garray[g].numHalfMoves == 0) - garray[g].timeOfStart = now; - garray[g].lastMoveTime = now; - garray[g].lastDecTime = now; - } - } - if (gs->onMove == BLACK) - gs->onMove = WHITE; - else { - gs->onMove = BLACK; - gs->moveNum--; - } + /* + * If take back a castling, the appropriates + * ??moved variables must be cleared. + */ + if (m->color == WHITE) { + gs->wkmoved = 0; + gs->wkrmoved = 0; + } else { + gs->bkmoved = 0; + gs->bkrmoved = 0; + } + + goto cleanupMove; + } + + if (m->fromFile - m->toFile == 2) { + gs->board[0][m->fromRank] = (ROOK | + colorval(gs->board[m->fromFile][m->fromRank])); + gs->board[3][m->fromRank] = NOPIECE; + + /* + * If take back a castling, the appropriate + * ??moved variables must be cleared. + */ + if (m->color == WHITE) { + gs->wkmoved = 0; + gs->wqrmoved = 0; + } else { + gs->bkmoved = 0; + gs->bqrmoved = 0; + } + + goto cleanupMove; + } + + /* + * When take back a _first_ move of king (not the + * castling), the ?kmoved variable must be cleared. To + * check if the move is first we should scan the move + * list. + */ + if (m->color == WHITE) { + if (m->fromFile == 4 && m->fromRank == 0) { + for (i = 2; + i < garray[g].numHalfMoves - 1; + i += 2) { + m1 = ((mode == REL_GAME) + ? &garray[g].moveList[i] + : &garray[g].examMoveList[i]); + + if (m1->fromFile == 4 && + m1->fromRank == 0) + break; + } + + if (i == (garray[g].numHalfMoves - 1)) + gs->wkmoved = 0; + } + } else { + if (m->fromFile == 4 && m->fromRank == 7) { + for (i = 3; + i < garray[g].numHalfMoves - 1; + i += 2) { + m1 = ((mode == REL_GAME) + ? &garray[g].moveList[i] + : &garray[g].examMoveList[i]); + + if (m1->fromFile == 4 && + m1->fromRank == 7) + break; + } + + if (i == (garray[g].numHalfMoves - 1)) + gs->bkmoved = 0; + } + } + } - /******* Here begins the patch : ******************************** - Takeback of last move is done already, it's time to update enpassant - array. (patch from Soso, added by Sparky 3/17/95) - ********/ - - if (garray[g].numHalfMoves > 0) { - m1 = (mode==REL_GAME) ? &garray[g].moveList[garray[g].numHalfMoves - 1] : - &garray[g].examMoveList[garray[g].numHalfMoves - 1]; - if (piecetype(gs->board[m1->toFile][m1->toRank]) == PAWN) { - if ((m1->toRank - m1->fromRank) == 2) { - if ((m1->toFile < 7) && gs->board[m1->toFile + 1][3] == B_PAWN) { - gs->ep_possible[1][m1->toFile + 1] = -1; + if (m->enPassant) { + if (colorval(gs->board[m->fromFile][m->fromRank]) == WHITE) + gs->board[m->toFile][m->fromRank] = (PAWN | BLACK); + else + gs->board[m->toFile][m->fromRank] = (PAWN | WHITE); + + gs->board[m->toFile][m->toRank] = NOPIECE; + /* + * Should set the enpassant array. But I don't care + * right now. + */ + goto cleanupMove; } - if ((m1->toFile - 1 >= 0) && gs->board[m1->toFile - 1][3] == B_PAWN) { - gs->ep_possible[1][m1->toFile - 1] = 1; + + gs->board[m->toFile][m->toRank] = m->pieceCaptured; + + cleanupMove: + + if (garray[g].status != GAME_EXAMINE) + game_update_time(g); + + garray[g].numHalfMoves--; + + if (garray[g].status != GAME_EXAMINE) { + if (garray[g].wInitTime) { // Don't update times in untimed + // games. + now = tenth_secs(); +#ifdef TIMESEAL + backup_move_timeseal_block(g, m); +#else + if (m->color == WHITE) { + garray[g].wTime += m->tookTime; + garray[g].wTime = (garray[g].wTime - + garray[g].wIncrement); + garray[g].bTime += + (garray[g].lastDecTime - + garray[g].lastMoveTime); + } else { + garray[g].bTime += m->tookTime; + + if (!garray[g].bIncrement) { + garray[g].bTime = + (garray[g].bTime - + garray[g].wIncrement); + } else { + garray[g].bTime = + (garray[g].bTime - + garray[g].bIncrement); + } + + garray[g].wTime += (garray[g].lastDecTime - + garray[g].lastMoveTime); + } +#endif + + if (garray[g].numHalfMoves == 0) + garray[g].timeOfStart = now; + garray[g].lastMoveTime = now; + garray[g].lastDecTime = now; + } } - } - if ((m1->toRank - m1->fromRank) == -2) { - if ((m1->toFile < 7) && gs->board[m1->toFile + 1][4] == W_PAWN) { - gs->ep_possible[0][m1->toFile + 1] = -1; + + if (gs->onMove == BLACK) { + gs->onMove = WHITE; + } else { + gs->onMove = BLACK; + gs->moveNum--; } - if ((m1->toFile - 1 >= 0) && gs->board[m1->toFile - 1][4] == W_PAWN) { - gs->ep_possible[0][m1->toFile - 1] = 1; + + /* + * Takeback of last move is done already. It's time to update + * enpassant array... + */ + if (garray[g].numHalfMoves > 0) { + m1 = ((mode == REL_GAME) + ? &garray[g].moveList[garray[g].numHalfMoves - 1] + : &garray[g].examMoveList[garray[g].numHalfMoves - 1]); + + if (piecetype(gs->board[m1->toFile][m1->toRank]) == PAWN) { + if ((m1->toRank - m1->fromRank) == 2) { + if (m1->toFile < 7 && + gs->board[m1->toFile + 1][3] == B_PAWN) + gs->ep_possible[1][m1->toFile + 1] = -1; + if (m1->toFile - 1 >= 0 && + gs->board[m1->toFile - 1][3] == B_PAWN) + gs->ep_possible[1][m1->toFile - 1] = 1; + } + + if ((m1->toRank - m1->fromRank) == -2) { + if (m1->toFile < 7 && + gs->board[m1->toFile + 1][4] == W_PAWN) + gs->ep_possible[0][m1->toFile + 1] = -1; + if (m1->toFile - 1 >= 0 && + gs->board[m1->toFile - 1][4] == W_PAWN) + gs->ep_possible[0][m1->toFile - 1] = 1; + } + } } - } - } - } - /************** and here's the end **************/ - return MOVE_OK; + + return MOVE_OK; } |