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-rw-r--r--FICS/movecheck.c559
1 files changed, 320 insertions, 239 deletions
diff --git a/FICS/movecheck.c b/FICS/movecheck.c
index 3cb109f..026b33a 100644
--- a/FICS/movecheck.c
+++ b/FICS/movecheck.c
@@ -1125,260 +1125,341 @@ execute_move(game_state_t *gs, move_t *mt, int check_game_status)
return MOVE_OK;
}
-PUBLIC int backup_move(int g, int mode)
+#ifdef TIMESEAL
+static void
+backup_move_timeseal(int g, move_t *m)
{
- game_state_t *gs;
- move_t *m, *m1;
- int now, i;
+ 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 {
+ 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 (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 (con[parray[garray[g].black].socket].timeseal) {
+ garray[g].bTime = garray[g].bRealTime / 100;
+ } else {
+ 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 {
+ 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) {
+ garray[g].wTime = garray[g].wRealTime / 100;
+ } else {
+ garray[g].wTime += (garray[g].lastDecTime -
+ garray[g].lastMoveTime);
+ }
+ }
}
- 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;
+}
+#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) // 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]);
}
- 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;
+
+ /*
+ * 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 (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
+ 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 (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 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->bkmoved = 0;
+ }
+ }
}
- } 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);
- }
+
+ 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;
}
- }
-#else
+ gs->board[m->toFile][m->toRank] = m->pieceCaptured;
- 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);
- }
+ cleanupMove:
-#endif
+ if (garray[g].status != GAME_EXAMINE)
+ game_update_time(g);
- 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--;
- }
+ garray[g].numHalfMoves--;
- /******* 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 ((m1->toFile - 1 >= 0) && gs->board[m1->toFile - 1][3] == B_PAWN) {
- gs->ep_possible[1][m1->toFile - 1] = 1;
+ 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(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.
+ * (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 ((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;
}
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