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-rw-r--r--FICS/gameproc.c2164
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+/* gameproc.c
+ *
+ */
+
+/*
+ fics - An internet chess server.
+ Copyright (C) 1993 Richard V. Nash
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+*/
+
+/* Revision history:
+ name email yy/mm/dd Change
+ Richard Nash 93/10/22 Created
+ Dave Herscovici 95/11/26 Split into two files;
+ Second is 'obsproc.c'.
+ Markus Uhlin 23/12/16 Fixed compiler warnings
+ Markus Uhlin 24/01/04 Fixed pprintf_prompt() calls
+ Markus Uhlin 24/03/30 Refactored and reformatted all
+ functions.
+ Markus Uhlin 24/03/30 Size-bounded string handling.
+ Markus Uhlin 24/04/13 Added usage of msnprintf(),
+ mstrlcpy() and mstrlcat().
+ Markus Uhlin 24/05/05 Added usage of reallocarray().
+ Markus Uhlin 25/03/09 Calc string length once
+*/
+
+#include "stdinclude.h"
+#include "common.h"
+
+#include <err.h>
+
+#include "command.h"
+#include "comproc.h"
+#include "config.h"
+#include "eco.h"
+#include "ficsmain.h"
+#include "gamedb.h"
+#include "gameproc.h"
+#include "lists.h"
+#include "matchproc.h"
+#include "maxxes-utils.h"
+#include "movecheck.h"
+#include "network.h"
+#include "obsproc.h"
+#include "playerdb.h"
+#include "ratings.h"
+#include "rmalloc.h"
+#include "utils.h"
+
+#if __linux__
+#include <bsd/string.h>
+#endif
+
+PUBLIC void
+game_ended(int g, int winner, int why)
+{
+ char *NameOfWinner, *NameOfLoser;
+ char EndSymbol[10] = { '\0' };
+ char outstr[200] = { '\0' };
+ char tmp[200] = { '\0' };
+ char winSymbol[10] = { '\0' };
+ int beingplayed = 0; // i.e. it wasn't loaded for adjudication
+ int gl = garray[g].link;
+ int isDraw = 0;
+ int p;
+ int rate_change = 0;
+ int whiteResult;
+
+ beingplayed = (parray[garray[g].black].game == g);
+
+ msnprintf(outstr, sizeof outstr, "\n{Game %d (%s vs. %s) ",
+ (g + 1),
+ parray[garray[g].white].name,
+ parray[garray[g].black].name);
+
+ garray[g].result = why;
+ garray[g].winner = winner;
+
+ if (winner == WHITE) {
+ whiteResult = RESULT_WIN;
+ mstrlcpy(winSymbol, "1-0", sizeof winSymbol);
+ NameOfWinner = parray[garray[g].white].name;
+ NameOfLoser = parray[garray[g].black].name;
+ } else {
+ whiteResult = RESULT_LOSS;
+ mstrlcpy(winSymbol, "0-1", sizeof winSymbol);
+ NameOfWinner = parray[garray[g].black].name;
+ NameOfLoser = parray[garray[g].white].name;
+ }
+
+ switch (why) {
+ case END_CHECKMATE:
+ msnprintf(tmp, sizeof tmp, "%s checkmated} %s\n",
+ NameOfLoser,
+ winSymbol);
+ mstrlcpy(EndSymbol, "Mat", sizeof EndSymbol);
+ rate_change = 1;
+ break;
+ case END_RESIGN:
+ msnprintf(tmp, sizeof tmp, "%s resigns} %s\n",
+ NameOfLoser,
+ winSymbol);
+ mstrlcpy(EndSymbol, "Res", sizeof EndSymbol);
+ rate_change = 1;
+ break;
+ case END_FLAG:
+ msnprintf(tmp, sizeof tmp, "%s forfeits on time} %s\n",
+ NameOfLoser,
+ winSymbol);
+ mstrlcpy(EndSymbol, "Fla", sizeof EndSymbol);
+ rate_change = 1;
+ break;
+ case END_STALEMATE:
+ mstrlcpy(tmp, "Game drawn by stalemate} 1/2-1/2\n", sizeof tmp);
+ isDraw = 1;
+ mstrlcpy(EndSymbol, "Sta", sizeof EndSymbol);
+ rate_change = 1;
+ whiteResult = RESULT_DRAW;
+ break;
+ case END_AGREEDDRAW:
+ mstrlcpy(tmp, "Game drawn by mutual agreement} 1/2-1/2\n",
+ sizeof tmp);
+ isDraw = 1;
+ mstrlcpy(EndSymbol, "Agr", sizeof EndSymbol);
+ rate_change = 1;
+ whiteResult = RESULT_DRAW;
+ break;
+ case END_BOTHFLAG:
+ mstrlcpy(tmp, "Game drawn because both players ran out of "
+ "time} 1/2-1/2\n", sizeof tmp);
+ isDraw = 1;
+ mstrlcpy(EndSymbol, "Fla", sizeof EndSymbol);
+ rate_change = 1;
+ whiteResult = RESULT_DRAW;
+ break;
+ case END_REPETITION:
+ mstrlcpy(tmp, "Game drawn by repetition} 1/2-1/2\n", sizeof tmp);
+ isDraw = 1;
+ mstrlcpy(EndSymbol, "Rep", sizeof EndSymbol);
+ rate_change = 1;
+ whiteResult = RESULT_DRAW;
+ break;
+ case END_50MOVERULE:
+ mstrlcpy(tmp, "Game drawn by the 50 move rule} 1/2-1/2\n",
+ sizeof tmp);
+ isDraw = 1;
+ mstrlcpy(EndSymbol, "50", sizeof EndSymbol);
+ rate_change = 1;
+ whiteResult = RESULT_DRAW;
+ break;
+ case END_ADJOURN:
+ if (gl >= 0) {
+ mstrlcpy(tmp, "Bughouse game aborted.} *\n",
+ sizeof tmp);
+ whiteResult = RESULT_ABORT;
+ } else {
+ mstrlcpy(tmp, "Game adjourned by mutual agreement} *\n",
+ sizeof tmp);
+ game_save(g);
+ }
+ break;
+ case END_LOSTCONNECTION:
+ msnprintf(tmp, sizeof tmp, "%s lost connection; game ",
+ NameOfWinner);
+
+ if (parray[garray[g].white].registered &&
+ parray[garray[g].black].registered &&
+ gl < 0) {
+ mstrlcpy(tmp, "adjourned} *\n", sizeof tmp);
+ game_save(g);
+ } else
+ mstrlcpy(tmp, "aborted} *\n", sizeof tmp);
+ whiteResult = RESULT_ABORT;
+ break;
+ case END_ABORT:
+ mstrlcpy(tmp, "Game aborted by mutual agreement} *\n",
+ sizeof tmp);
+ whiteResult = RESULT_ABORT;
+ break;
+ case END_COURTESY:
+ msnprintf(tmp, sizeof tmp, "Game courtesyaborted by %s} *\n",
+ NameOfWinner);
+ whiteResult = RESULT_ABORT;
+ break;
+ case END_COURTESYADJOURN:
+ if (gl >= 0) {
+ msnprintf(tmp, sizeof tmp, "Bughouse game "
+ "courtesyaborted by %s.} *\n",
+ NameOfWinner);
+ whiteResult = RESULT_ABORT;
+ } else {
+ msnprintf(tmp, sizeof tmp, "Game courtesyadjourned by "
+ "%s} *\n",
+ NameOfWinner);
+ game_save(g);
+ }
+ break;
+ case END_NOMATERIAL:
+ // Draw by insufficient material (e.g., lone K vs. lone K)
+ mstrlcpy(tmp, "Neither player has mating material} 1/2-1/2\n",
+ sizeof tmp);
+ isDraw = 1;
+ mstrlcpy(EndSymbol, "NM ", sizeof EndSymbol);
+ rate_change = 1;
+ whiteResult = RESULT_DRAW;
+ break;
+ case END_FLAGNOMATERIAL:
+ msnprintf(tmp, sizeof tmp, "%s ran out of time and %s has no "
+ "material to mate} 1/2-1/2\n",
+ NameOfLoser,
+ NameOfWinner);
+ isDraw = 1;
+ mstrlcpy(EndSymbol, "TM ", sizeof EndSymbol);
+ rate_change = 1;
+ whiteResult = RESULT_DRAW;
+ break;
+ case END_ADJWIN:
+ msnprintf(tmp, sizeof tmp, "%s wins by adjudication} %s\n",
+ NameOfWinner, winSymbol);
+ mstrlcpy(EndSymbol, "Adj", sizeof EndSymbol);
+ rate_change = 1;
+ break;
+ case END_ADJDRAW:
+ mstrlcpy(tmp, "Game drawn by adjudication} 1/2-1/2\n",
+ sizeof tmp);
+ isDraw = 1;
+ mstrlcpy(EndSymbol, "Adj", sizeof EndSymbol);
+ rate_change = 1;
+ whiteResult = RESULT_DRAW;
+ break;
+ case END_ADJABORT:
+ mstrlcpy(tmp, "Game aborted by adjudication} *\n", sizeof tmp);
+ whiteResult = RESULT_ABORT;
+ break;
+ default:
+ mstrlcpy(tmp, "Hmm, the game ended and I don't know why} *\n",
+ sizeof tmp);
+ break;
+ }
+
+ mstrlcat(outstr, tmp, sizeof outstr);
+
+ if (beingplayed) {
+ pprintf_noformat(garray[g].white, "%s", outstr);
+ pprintf_noformat(garray[g].black, "%s", outstr);
+
+ if (parray[garray[g].white].bell)
+ pprintf(garray[g].white, "\007");
+ if (parray[garray[g].black].bell)
+ pprintf(garray[g].black, "\007");
+
+ garray[g].link = -1; // IanO: avoids recursion
+
+ if (gl >= 0 && garray[gl].link >= 0) {
+ pprintf_noformat(garray[gl].white, "%s", outstr);
+ pprintf_noformat(garray[gl].black, "%s", outstr);
+
+ game_ended(gl, CToggle(winner), why);
+ }
+
+ for (p = 0; p < p_num; p++) {
+ if (p == garray[g].white || p == garray[g].black)
+ continue;
+ if (parray[p].status != PLAYER_PROMPT)
+ continue;
+ if (!parray[p].i_game && !player_is_observe(p, g))
+ continue;
+
+ pprintf_noformat(p, "%s", outstr);
+ pprintf_prompt(p, "%s", "");
+ }
+ }
+
+ if (garray[g].rated && rate_change) {
+ /* Adjust ratings */
+ rating_update(g);
+ } else {
+ if (beingplayed) {
+ pprintf(garray[g].white, "No ratings adjustment done."
+ "\n");
+ pprintf(garray[g].black, "No ratings adjustment done."
+ "\n");
+ }
+ }
+
+ if (rate_change && gl < 0)
+ game_write_complete(g, isDraw, EndSymbol);
+
+ /*
+ * Mail off the moves
+ */
+ if (parray[garray[g].white].automail)
+ pcommand(garray[g].white, "mailmoves");
+ if (parray[garray[g].black].automail)
+ pcommand(garray[g].black, "mailmoves");
+
+ parray[garray[g].white].num_white++;
+ parray[garray[g].white].lastColor = WHITE;
+ parray[garray[g].black].num_black++;
+ parray[garray[g].black].lastColor = BLACK;
+ parray[garray[g].white].last_opponent = garray[g].black;
+ parray[garray[g].black].last_opponent = garray[g].white;
+
+ if (beingplayed) {
+ parray[garray[g].white].game = -1;
+ parray[garray[g].black].game = -1;
+ parray[garray[g].white].opponent = -1;
+ parray[garray[g].black].opponent = -1;
+
+ if (garray[g].white != commanding_player)
+ pprintf_prompt(garray[g].white, "%s", "");
+ if (garray[g].black != commanding_player)
+ pprintf_prompt(garray[g].black, "%s", "");
+
+ if (parray[garray[g].white].simul_info.numBoards)
+ player_simul_over(garray[g].white, g, whiteResult);
+ }
+
+ game_finish(g);
+}
+
+PRIVATE int
+was_promoted(game *g, int f, int r)
+{
+#define BUGHOUSE_PAWN_REVERT 1
+#if BUGHOUSE_PAWN_REVERT
+ for (int i = g->numHalfMoves-2; i > 0; i -= 2) {
+ if (g->moveList[i].toFile == f &&
+ g->moveList[i].toRank == r) {
+ if (g->moveList[i].piecePromotionTo)
+ return 1;
+ if (g->moveList[i].fromFile == ALG_DROP)
+ return 0;
+ f = g->moveList[i].fromFile;
+ r = g->moveList[i].fromRank;
+ }
+ }
+#endif
+ return 0;
+}
+
+PUBLIC int
+pIsPlaying(int p)
+{
+ int g = parray[p].game;
+ int p1 = parray[p].opponent;
+
+ if (g < 0 || garray[g].status == GAME_EXAMINE) {
+ pprintf(p, "You are not playing a game.\n");
+ return 0;
+ } else if (garray[g].white != p && garray[g].black != p) {
+ /*
+ * oh oh; big bad game bug.
+ */
+
+ fprintf(stderr, "BUG: Player %s playing game %d according to "
+ "parray, but not according to garray.\n",
+ parray[p].name, (g + 1));
+ pprintf(p, "Disconnecting you from game number %d.\n", (g + 1));
+ parray[p].game = -1;
+
+ if (p1 >= 0 &&
+ parray[p1].game == g &&
+ garray[g].white != p1 &&
+ garray[g].black != p1) {
+ pprintf(p1, "Disconnecting you from game number %d.\n",
+ (g + 1));
+ parray[p1].game = -1;
+ }
+
+ return 0;
+ } else
+ return 1;
+}
+
+PUBLIC void
+process_move(int p, char *command)
+{
+ int g;
+ int i;
+ int len;
+ int result;
+ move_t move;
+ unsigned int now;
+
+ if (parray[p].game < 0) {
+ pprintf(p, "You are not playing or examining a game.\n");
+ return;
+ }
+
+ player_decline_offers(p, -1, -PEND_SIMUL);
+ g = parray[p].game;
+
+ if (garray[g].status != GAME_EXAMINE) {
+ if (!pIsPlaying(p)) // XXX
+ return;
+ if (parray[p].side != garray[g].game_state.onMove) {
+ pprintf(p, "It is not your move.\n");
+ return;
+ }
+ if (garray[g].clockStopped) {
+ pprintf(p, "Game clock is paused, use \"unpause\" "
+ "to resume.\n");
+ return;
+ }
+ }
+
+ if ((len = strlen(command)) > 1) {
+ if (command[len - 2] == '=') {
+ switch (tolower(command[strlen(command) - 1])) {
+ case 'n':
+ parray[p].promote = KNIGHT;
+ break;
+ case 'b':
+ parray[p].promote = BISHOP;
+ break;
+ case 'r':
+ parray[p].promote = ROOK;
+ break;
+ case 'q':
+ parray[p].promote = QUEEN;
+ break;
+ default:
+ pprintf(p, "Don't understand that move.\n");
+ return;
+ break;
+ }
+ }
+ }
+
+ switch (parse_move(command, &garray[g].game_state, &move,
+ parray[p].promote)) {
+ case MOVE_ILLEGAL:
+ pprintf(p, "Illegal move.\n");
+ return;
+ break;
+ case MOVE_AMBIGUOUS:
+ pprintf(p, "Ambiguous move.\n");
+ return;
+ break;
+ default:
+ break;
+ }
+
+ if (garray[g].status == GAME_EXAMINE) {
+ garray[g].numHalfMoves++;
+
+ if (garray[g].numHalfMoves > garray[g].examMoveListSize) {
+ garray[g].examMoveListSize += 20; // Allocate 20
+ // moves at a
+ // time
+ if (!garray[g].examMoveList) {
+ garray[g].examMoveList =
+ reallocarray(NULL,
+ sizeof(move_t),
+ garray[g].examMoveListSize);
+ if (garray[g].examMoveList == NULL)
+ err(1, "%s: reallocarray", __func__);
+ else
+ malloc_count++;
+ } else {
+ garray[g].examMoveList =
+ reallocarray(garray[g].examMoveList,
+ sizeof(move_t),
+ garray[g].examMoveListSize);
+ if (garray[g].examMoveList == NULL)
+ err(1, "%s: reallocarray", __func__);
+ }
+ }
+
+ now = tenth_secs();
+
+ result = execute_move(&garray[g].game_state, &move, 1);
+ move.atTime = now; // XXX
+ move.tookTime = 0;
+ MakeFENpos(g, (char *)move.FENpos, ARRAY_SIZE(move.FENpos));
+ garray[g].examMoveList[garray[g].numHalfMoves - 1] = move;
+
+ /*
+ * roll back time
+ */
+
+ if (garray[g].game_state.onMove == WHITE) {
+ garray[g].wTime +=
+ (garray[g].lastDecTime - garray[g].lastMoveTime);
+ } else {
+ garray[g].bTime +=
+ (garray[g].lastDecTime - garray[g].lastMoveTime);
+ }
+
+ // XXX: 'now' was assigned here
+ // <--
+
+ if (garray[g].numHalfMoves == 0)
+ garray[g].timeOfStart = now;
+
+ garray[g].lastMoveTime = now;
+ garray[g].lastDecTime = now;
+ } else { // real game
+ i = parray[p].opponent;
+
+ if (parray[i].simul_info.numBoards &&
+ parray[i].simul_info.boards[parray[i].simul_info.onBoard] !=
+ g) {
+ pprintf(p, "It isn't your turn: wait until the simul "
+ "giver is at your board.\n");
+ return;
+ }
+
+#ifdef TIMESEAL
+ if (con[parray[p].socket].timeseal) { // Does he use timeseal?
+ if (parray[p].side == WHITE) {
+ int diff;
+
+ garray[g].wLastRealTime = garray[g].wRealTime;
+ garray[g].wTimeWhenMoved =
+ con[parray[p].socket].time;
+
+ diff = (garray[g].wTimeWhenMoved -
+ garray[g].wTimeWhenReceivedMove);
+
+ if (diff < 0 ||
+ garray[g].wTimeWhenReceivedMove == 0) {
+ /*
+ * Might seem weird - but
+ * could be caused by a person
+ * moving BEFORE he receives
+ * the board pos (this is
+ * possible due to lag) but
+ * it's safe to say he moved
+ * in 0 secs.
+ */
+ garray[g].wTimeWhenReceivedMove =
+ garray[g].wTimeWhenMoved;
+ } else {
+ garray[g].wRealTime -=
+ (garray[g].wTimeWhenMoved -
+ garray[g].wTimeWhenReceivedMove);
+ }
+ } else if (parray[p].side == BLACK) {
+ int diff;
+
+ garray[g].bLastRealTime = garray[g].bRealTime;
+ garray[g].bTimeWhenMoved =
+ con[parray[p].socket].time;
+
+ diff = (garray[g].bTimeWhenMoved -
+ garray[g].bTimeWhenReceivedMove);
+
+ if (diff < 0 ||
+ garray[g].bTimeWhenReceivedMove == 0) {
+ /*
+ * Might seem weird - but
+ * could be caused by a person
+ * moving BEFORE he receives
+ * the board pos (this is
+ * possible due to lag) but
+ * it's safe to say he moved
+ * in 0 secs.
+ */
+ garray[g].bTimeWhenReceivedMove =
+ garray[g].bTimeWhenMoved;
+ } else {
+ garray[g].bRealTime -=
+ (garray[g].bTimeWhenMoved -
+ garray[g].bTimeWhenReceivedMove);
+ }
+ }
+ }
+
+ /*
+ * We need to reset the opp's time for receiving the
+ * board since the timeseal decoder only alters the
+ * time if it's 0. Otherwise the time would be changed
+ * if the player did a refresh which would screw up
+ * the timings.
+ */
+ if (parray[p].side == WHITE)
+ garray[g].bTimeWhenReceivedMove = 0;
+ else
+ garray[g].wTimeWhenReceivedMove = 0;
+#endif
+
+ game_update_time(g);
+
+ /*
+ * XXX: Maybe add autoflag here in the future?
+ */
+
+#ifdef TIMESEAL
+ if (con[parray[p].socket].timeseal) { // Does he use timeseal?
+ if (parray[p].side == WHITE) {
+ garray[g].wRealTime +=
+ (garray[g].wIncrement * 100);
+ garray[g].wTime = (garray[g].wRealTime / 100);
+ } else if (parray[p].side == BLACK) {
+ garray[g].bRealTime +=
+ (garray[g].bIncrement * 100);
+ garray[g].bTime = (garray[g].bRealTime / 100);
+ }
+ } else {
+ if (garray[g].game_state.onMove == BLACK)
+ garray[g].bTime += garray[g].bIncrement;
+ if (garray[g].game_state.onMove == WHITE)
+ garray[g].wTime += garray[g].wIncrement;
+ }
+#else
+ if (garray[g].game_state.onMove == BLACK)
+ garray[g].bTime += garray[g].bIncrement;
+ if (garray[g].game_state.onMove == WHITE)
+ garray[g].wTime += garray[g].wIncrement;
+#endif
+
+ /*
+ * Do the move.
+ */
+
+ garray[g].numHalfMoves++;
+
+ if (garray[g].numHalfMoves > garray[g].moveListSize) {
+ garray[g].moveListSize += 20; // Allocate 20 moves at
+ // a time
+
+ if (!garray[g].moveList) {
+ garray[g].moveList =
+ reallocarray(NULL,
+ sizeof(move_t),
+ garray[g].moveListSize);
+ if (garray[g].moveList == NULL)
+ err(1, "%s: reallocarray", __func__);
+ else
+ malloc_count++;
+ } else {
+ garray[g].moveList =
+ reallocarray(garray[g].moveList,
+ sizeof(move_t),
+ garray[g].moveListSize);
+ if (garray[g].moveList == NULL)
+ err(1, "%s: reallocarray", __func__);
+ }
+ }
+
+ result = execute_move(&garray[g].game_state, &move, 1);
+
+ if (result == MOVE_OK &&
+ garray[g].link >= 0 &&
+ move.pieceCaptured != NOPIECE) {
+ /*
+ * Transfer captured piece to partner.
+ * Check if piece reverts to a pawn.
+ */
+ if (was_promoted(&garray[g], move.toFile, move.toRank)) {
+ update_holding(garray[g].link,
+ colorval(move.pieceCaptured) | PAWN);
+ } else {
+ update_holding(garray[g].link,
+ move.pieceCaptured);
+ }
+ }
+
+ now = tenth_secs();
+ move.atTime = now;
+
+ if (garray[g].numHalfMoves > 1)
+ move.tookTime = (move.atTime - garray[g].lastMoveTime);
+ else
+ move.tookTime = (move.atTime - garray[g].startTime);
+
+ garray[g].lastMoveTime = now;
+ garray[g].lastDecTime = now;
+
+#ifdef TIMESEAL
+ if (con[parray[p].socket].timeseal) { // Does he use timeseal?
+ if (parray[p].side == WHITE) {
+ move.tookTime =
+ ((garray[parray[p].game].wTimeWhenMoved -
+ garray[parray[p].game].wTimeWhenReceivedMove) /
+ 100);
+ } else {
+ move.tookTime =
+ ((garray[parray[p].game].bTimeWhenMoved -
+ garray[parray[p].game].bTimeWhenReceivedMove) /
+ 100);
+ }
+ }
+#endif
+
+ MakeFENpos(g, (char *)move.FENpos, ARRAY_SIZE(move.FENpos));
+ garray[g].moveList[garray[g].numHalfMoves - 1] = move;
+ }
+
+ send_boards(g);
+
+ if (result == MOVE_ILLEGAL)
+ pprintf(p, "Internal error, illegal move accepted!\n");
+ if (result == MOVE_OK && garray[g].status == GAME_EXAMINE) {
+ for (int p1 = 0; p1 < p_num; p1++) {
+ if (parray[p1].status != PLAYER_PROMPT)
+ continue;
+ if (player_is_observe(p1, g) || parray[p1].game == g) {
+ pprintf_prompt(p1, "%s moves: %s\n",
+ parray[p].name, move.algString);
+ }
+ }
+ }
+
+ if (result == MOVE_CHECKMATE) {
+ if (garray[g].status == GAME_EXAMINE) {
+ for (int p1 = 0; p1 < p_num; p1++) {
+ if (parray[p1].status != PLAYER_PROMPT)
+ continue;
+ if (player_is_observe(p1, g) ||
+ parray[p1].game == g) {
+ pprintf(p1, "%s has been checkmated.\n",
+ (CToggle(garray[g].game_state.onMove)
+ == BLACK ? "White" : "Black"));
+ }
+ }
+ } else {
+ game_ended(g, CToggle(garray[g].game_state.onMove),
+ END_CHECKMATE);
+ }
+ }
+
+ if (result == MOVE_STALEMATE) {
+ if (garray[g].status == GAME_EXAMINE) {
+ for (int p1 = 0; p1 < p_num; p1++) {
+ if (parray[p1].status != PLAYER_PROMPT)
+ continue;
+ if (player_is_observe(p1, g) ||
+ parray[p1].game == g)
+ pprintf(p1, "Stalemate.\n");
+ }
+ } else {
+ game_ended(g, CToggle(garray[g].game_state.onMove),
+ END_STALEMATE);
+ }
+ }
+
+ if (result == MOVE_NOMATERIAL) {
+ if (garray[g].status == GAME_EXAMINE) {
+ for (int p1 = 0; p1 < p_num; p1++) {
+ if (parray[p1].status != PLAYER_PROMPT)
+ continue;
+ if (player_is_observe(p1, g) ||
+ parray[p1].game == g)
+ pprintf(p1, "No mating material.\n");
+ }
+ } else {
+ game_ended(g, CToggle(garray[g].game_state.onMove),
+ END_NOMATERIAL);
+ }
+ }
+}
+
+PUBLIC int
+com_resign(int p, param_list param)
+{
+ int g, o, oconnected;
+
+ if (param[0].type == TYPE_NULL) {
+ g = parray[p].game;
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+ else {
+ player_decline_offers(p, -1, -1);
+ game_ended(g, (garray[g].white == p ? BLACK : WHITE),
+ END_RESIGN);
+ }
+ } else if (FindPlayer(p, param[0].val.word, &o, &oconnected)) {
+ g = game_new();
+
+ if (game_read(g, p, o) < 0) {
+ if (game_read(g, o, p) < 0) {
+ pprintf(p, "You have no stored game with %s\n",
+ parray[o].name);
+ if (!oconnected)
+ player_remove(o);
+ return COM_OK;
+ } else {
+ garray[g].white = o;
+ garray[g].black = p;
+ }
+ } else {
+ garray[g].white = p;
+ garray[g].black = o;
+ }
+
+ pprintf(p, "You resign your stored game with %s\n",
+ parray[o].name);
+
+ game_delete(garray[g].white, garray[g].black);
+ game_ended(g, (garray[g].white == p ? BLACK : WHITE),
+ END_RESIGN);
+
+ pcommand(p, "message %s I have resigned our stored game "
+ "\"%s vs. %s.\"",
+ parray[o].name,
+ parray[garray[g].white].name,
+ parray[garray[g].black].name);
+
+ if (!oconnected)
+ player_remove(o);
+ }
+
+ return COM_OK;
+}
+
+PRIVATE int
+Check50MoveRule(int p, int g)
+{
+ int num_reversible = garray[g].numHalfMoves;
+
+ if (garray[g].game_state.lastIrreversable >= 0)
+ num_reversible -= garray[g].game_state.lastIrreversable;
+
+ if (num_reversible > 99) {
+ game_ended(g, (garray[g].white == p ? BLACK : WHITE),
+ END_50MOVERULE);
+ return 1;
+ }
+
+ return 0;
+}
+
+PRIVATE char *
+GetFENpos(int g, int half_move)
+{
+ if (half_move < 0)
+ return ((char *)garray[g].FENstartPos);
+ return ((char *)garray[g].moveList[half_move].FENpos);
+}
+
+PRIVATE int
+CheckRepetition(int p, int g)
+{
+ char *pos1 = GetFENpos(g, garray[g].numHalfMoves - 1);
+ char *pos2 = GetFENpos(g, garray[g].numHalfMoves);
+ char *pos;
+ int flag1 = 1, flag2 = 1;
+ int move_num;
+ size_t len[3];
+
+ if (garray[g].numHalfMoves < 8) // Can't have three repeats any quicker.
+ return 0;
+
+ len[0] = strlen(pos1);
+ len[1] = strlen(pos2);
+
+ for (move_num = garray[g].game_state.lastIrreversable;
+ move_num < garray[g].numHalfMoves - 1;
+ move_num++) {
+ pos = GetFENpos(g, move_num);
+ len[2] = strlen(pos);
+
+ if (len[0] == len[2] && !strcmp(pos1, pos))
+ flag1++;
+ if (len[1] == len[2] && !strcmp(pos2, pos))
+ flag2++;
+ }
+
+ if (flag1 >= 3 || flag2 >= 3) {
+ if (player_find_pendfrom(p, parray[p].opponent, PEND_DRAW)
+ >= 0) {
+ player_remove_request(parray[p].opponent, p, PEND_DRAW);
+ player_decline_offers(p, -1, -1);
+ }
+
+ game_ended(g, (garray[g].white == p ? BLACK : WHITE),
+ END_REPETITION);
+ return 1;
+ } else
+ return 0;
+}
+
+PUBLIC int
+com_draw(int p, param_list param)
+{
+ int p1, g = parray[p].game;
+
+ ASSERT(param[0].type == TYPE_NULL);
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+ if (Check50MoveRule(p, g) || CheckRepetition(p, g))
+ return COM_OK;
+
+ p1 = parray[p].opponent;
+
+ if (parray[p1].simul_info.numBoards &&
+ parray[p1].simul_info.boards[parray[p1].simul_info.onBoard] != g) {
+ pprintf(p, "You can only make requests when the simul player "
+ "is at your board.\n");
+ return COM_OK;
+ }
+
+ if (player_find_pendfrom(p, parray[p].opponent, PEND_DRAW) >= 0) {
+ player_remove_request(parray[p].opponent, p, PEND_DRAW);
+ player_decline_offers(p, -1, -1);
+ game_ended(g, (garray[g].white == p ? BLACK : WHITE),
+ END_AGREEDDRAW);
+ } else {
+ pprintf(parray[p].opponent, "\n");
+ pprintf_highlight(parray[p].opponent, "%s", parray[p].name);
+ pprintf_prompt(parray[p].opponent, " offers you a draw.\n");
+ pprintf(p, "Draw request sent.\n");
+ player_add_request(p, parray[p].opponent, PEND_DRAW, 0);
+ }
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_pause(int p, param_list param)
+{
+ int g;
+ int now;
+
+ ASSERT(param[0].type == TYPE_NULL);
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+
+ g = parray[p].game;
+
+ if (garray[g].wTime == 0) {
+ pprintf(p, "You can't pause untimed games.\n");
+ return COM_OK;
+ }
+
+ if (garray[g].clockStopped) {
+ pprintf(p, "Game is already paused, "
+ "use \"unpause\" to resume.\n");
+ return COM_OK;
+ }
+
+ if (player_find_pendfrom(p, parray[p].opponent, PEND_PAUSE) >= 0) {
+ player_remove_request(parray[p].opponent, p, PEND_PAUSE);
+ garray[g].clockStopped = 1;
+
+ // Roll back the time
+ if (garray[g].game_state.onMove == WHITE) {
+ garray[g].wTime += (garray[g].lastDecTime -
+ garray[g].lastMoveTime);
+ } else {
+ garray[g].bTime += (garray[g].lastDecTime -
+ garray[g].lastMoveTime);
+ }
+
+ now = tenth_secs();
+
+ if (garray[g].numHalfMoves == 0)
+ garray[g].timeOfStart = now;
+
+ garray[g].lastMoveTime = now;
+ garray[g].lastDecTime = now;
+
+ send_boards(g);
+
+ pprintf_prompt(parray[p].opponent, "\n%s accepted pause. "
+ "Game clock paused.\n", parray[p].name);
+ pprintf(p, "Game clock paused.\n");
+ } else {
+ pprintf(parray[p].opponent, "\n");
+ pprintf_highlight(parray[p].opponent, "%s", parray[p].name);
+ pprintf_prompt(parray[p].opponent, " requests to pause the "
+ "game.\n");
+ pprintf(p, "Pause request sent.\n");
+ player_add_request(p, parray[p].opponent, PEND_PAUSE, 0);
+ }
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_unpause(int p, param_list param)
+{
+ int g;
+ int now;
+
+ ASSERT(param[0].type == TYPE_NULL);
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+
+ g = parray[p].game;
+
+ if (!garray[g].clockStopped) {
+ pprintf(p, "Game is not paused.\n");
+ return COM_OK;
+ }
+
+ garray[g].clockStopped = 0;
+ now = tenth_secs();
+
+ if (garray[g].numHalfMoves == 0)
+ garray[g].timeOfStart = now;
+
+ garray[g].lastMoveTime = now;
+ garray[g].lastDecTime = now;
+
+ send_boards(g);
+
+ pprintf(p, "Game clock resumed.\n");
+ pprintf_prompt(parray[p].opponent, "\nGame clock resumed.\n");
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_abort(int p, param_list param)
+{
+ int courtesyOK = 1;
+ int p1, g, myColor, yourColor, myGTime, yourGTime;
+
+ ASSERT(param[0].type == TYPE_NULL);
+
+ g = parray[p].game;
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+
+ p1 = parray[p].opponent;
+
+ if (p == garray[g].white) {
+ myColor = WHITE;
+ yourColor = BLACK;
+ myGTime = garray[g].wTime;
+ yourGTime = garray[g].bTime;
+ } else {
+ myColor = BLACK;
+ yourColor = WHITE;
+ myGTime = garray[g].bTime;
+ yourGTime = garray[g].wTime;
+ }
+
+ if (parray[p1].simul_info.numBoards &&
+ parray[p1].simul_info.boards[parray[p1].simul_info.onBoard] != g) {
+ pprintf(p, "You can only make requests when the simul player "
+ "is at your board.\n");
+ return COM_OK;
+ }
+
+ if (player_find_pendfrom(p, p1, PEND_ABORT) >= 0) {
+ player_remove_request(p1, p, PEND_ABORT);
+ player_decline_offers(p, -1, -1);
+ game_ended(g, yourColor, END_ABORT);
+ } else {
+ game_update_time(g);
+
+#ifdef TIMESEAL
+ if (con[parray[p].socket].timeseal &&
+ garray[g].game_state.onMove == myColor &&
+ garray[g].flag_pending == FLAG_ABORT) {
+ /*
+ * It's my move, opponent has asked for abort;
+ * I lagged out, my timeseal prevented
+ * courtesyabort, and I sent an abort request
+ * before acknowledging (and processing) my
+ * opponent's courtesyabort. OK, let's abort
+ * already :-).
+ */
+
+ player_decline_offers(p, -1, -1);
+ game_ended(g, yourColor, END_ABORT);
+ }
+
+ if (con[parray[p1].socket].timeseal) { // Opp uses timeseal?
+ int yourRealTime = (myColor == WHITE ?
+ garray[g].bRealTime : garray[g].wRealTime);
+
+ if (myGTime > 0 && yourGTime <= 0 && yourRealTime > 0) {
+ /*
+ * Override courtesyabort; opponent
+ * still has time. Check for lag.
+ */
+ courtesyOK = 0;
+
+ if (garray[g].game_state.onMove != myColor &&
+ garray[g].flag_pending != FLAG_CHECKING) {
+ // Opponent may be lagging; let's ask.
+ garray[g].flag_pending = FLAG_ABORT;
+ garray[g].flag_check_time = time(0);
+
+ pprintf(p, "Opponent has timeseal; "
+ "trying to courtesyabort.\n");
+ pprintf(p1, "\n[G]\n");
+
+ return COM_OK;
+ }
+ }
+ }
+#endif
+
+ if (myGTime > 0 && yourGTime <= 0 && courtesyOK) {
+ /*
+ * Player wants to abort + opponent is out of
+ * time = courtesyabort.
+ */
+
+ pprintf(p, "Since you have time, and your opponent "
+ "has none, the game has been aborted.");
+ pprintf(p1, "Your opponent has aborted the game "
+ "rather than calling your flag.");
+ player_decline_offers(p, -1, -1);
+ game_ended(g, myColor, END_COURTESY);
+ } else {
+ pprintf(p1, "\n");
+ pprintf_highlight(p1, "%s", parray[p].name);
+ pprintf(p1, " would like to abort the game; ");
+ pprintf_prompt(p1, "type \"abort\" to accept.\n");
+ pprintf(p, "Abort request sent.\n");
+ player_add_request(p, p1, PEND_ABORT, 0);
+ }
+ }
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_courtesyabort(int p, param_list param)
+{
+ pprintf(p, "Courtesyabort is obsolete; use \"abort\" instead.\n");
+ return COM_OK;
+}
+
+PUBLIC int
+com_courtesyadjourn(int p, param_list param)
+{
+ pprintf(p, "Use \"adjourn\" to courtesyadjourn a game.\n");
+ return COM_OK;
+}
+
+PRIVATE int
+player_has_mating_material(game_state_t *gs, int color)
+{
+ int i, j;
+ int minor_pieces = 0;
+ int piece;
+
+ for (i = 0; i < 8; i++) {
+ for (j = 0; j < 8; j++) {
+ piece = gs->board[i][j];
+
+ switch (piecetype(piece)) {
+ case BISHOP:
+ case KNIGHT:
+ if (iscolor(piece, color))
+ minor_pieces++;
+ break;
+ case KING:
+ case NOPIECE:
+ break;
+ default:
+ if (iscolor(piece, color))
+ return 1;
+ }
+ }
+ }
+
+ return (minor_pieces > 1 ? 1 : 0);
+}
+
+PUBLIC int
+com_flag(int p, param_list param)
+{
+ int g;
+ int myColor;
+
+ ASSERT(param[0].type == TYPE_NULL);
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+
+ g = parray[p].game;
+ myColor = (p == garray[g].white ? WHITE : BLACK);
+
+ if (garray[g].type == TYPE_UNTIMED) {
+ pprintf(p, "You can't flag an untimed game.\n");
+ return COM_OK;
+ }
+
+ if (garray[g].numHalfMoves < 2) {
+ pprintf(p, "You cannot flag before both players have moved.\n"
+ "Use abort instead.\n");
+ return COM_OK;
+ }
+
+ game_update_time(g);
+
+#ifdef TIMESEAL
+ {
+ int myTime, yourTime, serverTime;
+ int opp = parray[p].opponent;
+
+ if (con[parray[p].socket].timeseal) { // Does the caller use
+ // timeseal?
+ myTime = (myColor == WHITE ? garray[g].wRealTime :
+ garray[g].bRealTime);
+ } else {
+ myTime = (myColor == WHITE ? garray[g].wTime :
+ garray[g].bTime);
+ }
+
+ serverTime = (myColor == WHITE ? garray[g].bTime :
+ garray[g].wTime);
+
+ if (con[parray[opp].socket].timeseal) { // Opp uses timeseal?
+ yourTime = (myColor == WHITE ? garray[g].bRealTime :
+ garray[g].wRealTime);
+ } else {
+ yourTime = serverTime;
+ }
+
+ // The clocks to compare are now in 'myTime' and 'yourTime'.
+ if (myTime <= 0 && yourTime <= 0) {
+ player_decline_offers(p, -1, -1);
+ game_ended(g, myColor, END_BOTHFLAG);
+ return COM_OK;
+ }
+
+ if (yourTime > 0) {
+ /*
+ * Opponent still has time, but if that's only
+ * because s/he may be lagging, we should ask
+ * for an acknowledgement and then try to call
+ * the flag.
+ */
+
+ if (serverTime <= 0 &&
+ garray[g].game_state.onMove != myColor &&
+ garray[g].flag_pending != FLAG_CHECKING) {
+ garray[g].flag_pending = FLAG_CALLED;
+ garray[g].flag_check_time = time(0);
+
+ pprintf(p, "Opponent has timeseal; "
+ "checking if (s)he's lagging.\n");
+ pprintf(opp, "\n[G]\n");
+
+ return COM_OK;
+ }
+
+ /*
+ * If we're here, it means:
+ * 1) The server agrees opponent has time, whether
+ * lagging or not.
+ * 2) Opponent has timeseal (if yourTime != serverTime),
+ * had time left after the last move (yourTime > 0),
+ * and it's still your move.
+ * 3) We're currently checking a flag call after having
+ * receiving acknowledgement from the other timeseal
+ * (and would have reset 'yourTime' if the flag were
+ * down).
+ */
+ pprintf(p, "Your opponent is not out of time!\n");
+ return COM_OK;
+ }
+ }
+#else // !defined(TIMESEAL)
+ if (garray[g].wTime <= 0 && garray[g].bTime <= 0) {
+ player_decline_offers(p, -1, -1);
+ game_ended(g, myColor, END_BOTHFLAG);
+ return COM_OK;
+ }
+
+ if (myColor == WHITE) {
+ if (garray[g].bTime > 0) {
+ pprintf(p, "Your opponent is not out of time!\n");
+ return COM_OK;
+ }
+ } else {
+ if (garray[g].wTime > 0) {
+ pprintf(p, "Your opponent is not out of time!\n");
+ return COM_OK;
+ }
+ }
+#endif
+
+ player_decline_offers(p, -1, -1);
+
+ if (player_has_mating_material(&garray[g].game_state, myColor))
+ game_ended(g, myColor, END_FLAG);
+ else
+ game_ended(g, myColor, END_FLAGNOMATERIAL);
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_adjourn(int p, param_list param)
+{
+ int p1, g, myColor, yourColor;
+
+ ASSERT(param[0].type == TYPE_NULL);
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+
+ p1 = parray[p].opponent;
+ g = parray[p].game;
+
+ if (!(parray[p].registered && parray[p1].registered)) {
+ pprintf(p, "Both players must be registered to adjorn a game. "
+ "Use \"abort\".\n");
+ return COM_OK;
+ }
+
+ if (garray[g].link >= 0) {
+ pprintf(p, "Bughouse games cannot be adjourned.\n");
+ return COM_OK;
+ }
+
+ myColor = (p == garray[g].white ? WHITE : BLACK);
+ yourColor = (myColor == WHITE ? BLACK : WHITE);
+
+ if (player_find_pendfrom(p, p1, PEND_ADJOURN) >= 0) {
+ player_remove_request(p1, p, PEND_ADJOURN);
+ player_decline_offers(p, -1, -1);
+ game_ended(parray[p].game, yourColor, END_ADJOURN);
+ } else {
+ game_update_time(g);
+
+ if ((myColor == WHITE &&
+ garray[g].wTime > 0 &&
+ garray[g].bTime <= 0) ||
+ (myColor == BLACK &&
+ garray[g].bTime > 0 &&
+ garray[g].wTime <= 0)) {
+ /*
+ * Player wants to adjourn + opponent is out
+ * of time = courtesyadjourn.
+ */
+
+ pprintf(p, "Since you have time, and your opponent "
+ "has none, the game has been adjourned.");
+ pprintf(p1, "Your opponent has adjourned the game "
+ "rather than calling your flag.");
+ player_decline_offers(p, -1, -1);
+ game_ended(g, myColor, END_COURTESYADJOURN);
+ } else {
+ pprintf(p1, "\n");
+ pprintf_highlight(p1, "%s", parray[p].name);
+ pprintf(p1, " would like to adjourn the game; ");
+ pprintf_prompt(p1, "type \"adjourn\" to accept.\n");
+ pprintf(p, "Adjourn request sent.\n");
+ player_add_request(p, p1, PEND_ADJOURN, 0);
+ }
+ }
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_takeback(int p, param_list param)
+{
+ int from;
+ int g, i;
+ int nHalfMoves = 1;
+ int p1;
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+
+ p1 = parray[p].opponent;
+
+ if (parray[p1].simul_info.numBoards &&
+ parray[p1].simul_info.boards[parray[p1].simul_info.onBoard] !=
+ parray[p].game) {
+ pprintf(p, "You can only make requests when the simul player "
+ "is at your board.\n");
+ return COM_OK;
+ }
+
+ g = parray[p].game;
+
+ if (garray[g].link >= 0) {
+ pprintf(p, "Takeback not implemented for bughouse games yet."
+ "\n");
+ return COM_OK;
+ }
+
+ if (param[0].type == TYPE_INT)
+ nHalfMoves = param[0].val.integer;
+
+ if ((from = player_find_pendfrom(p, parray[p].opponent, PEND_TAKEBACK))
+ >= 0) {
+ player_remove_request(parray[p].opponent, p, PEND_TAKEBACK);
+
+ if (parray[p].p_from_list[from].param1 == nHalfMoves) {
+ // Doing the takeback
+ player_decline_offers(p, -1, -PEND_SIMUL);
+
+ for (i = 0; i < nHalfMoves; i++) {
+ if (backup_move(g, REL_GAME) != MOVE_OK) {
+ pprintf(garray[g].white, "Can only "
+ "backup %d moves\n", i);
+ pprintf(garray[g].black, "Can only "
+ "backup %d moves\n", i);
+ break;
+ }
+ }
+
+#ifdef TIMESEAL
+ garray[g].wTimeWhenReceivedMove = 0;
+ garray[g].bTimeWhenReceivedMove = 0;
+#endif
+
+ send_boards(g);
+ } else {
+ if (garray[g].numHalfMoves < nHalfMoves) {
+ pprintf(p, "There are only %d half moves in "
+ "your game.\n", garray[g].numHalfMoves);
+ pprintf_prompt(parray[p].opponent, "\n%s has "
+ "declined the takeback request.\n",
+ parray[p].name);
+ return COM_OK;
+ }
+
+ pprintf(p, "You disagree on the number of half-moves "
+ "to takeback.\n");
+ pprintf(p, "Alternate takeback request sent.\n");
+ pprintf_prompt(parray[p].opponent, "\n%s proposes a "
+ "different number (%d) of half-move(s).\n",
+ parray[p].name,
+ nHalfMoves);
+ player_add_request(p, parray[p].opponent, PEND_TAKEBACK,
+ nHalfMoves);
+ }
+ } else {
+ if (garray[g].numHalfMoves < nHalfMoves) {
+ pprintf(p, "There are only %d half moves in your game."
+ "\n", garray[g].numHalfMoves);
+ return COM_OK;
+ }
+
+ pprintf(parray[p].opponent, "\n");
+ pprintf_highlight(parray[p].opponent, "%s", parray[p].name);
+ pprintf_prompt(parray[p].opponent, " would like to take back "
+ "%d half move(s).\n", nHalfMoves);
+ pprintf(p, "Takeback request sent.\n");
+ player_add_request(p, parray[p].opponent, PEND_TAKEBACK,
+ nHalfMoves);
+ }
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_switch(int p, param_list param)
+{
+ char *strTmp;
+ int g = parray[p].game;
+ int p1;
+ int tmp, now;
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+
+ p1 = parray[p].opponent;
+
+ if (parray[p1].simul_info.numBoards &&
+ parray[p1].simul_info.boards[parray[p1].simul_info.onBoard] != g) {
+ pprintf(p, "You can only make requests when the simul player "
+ "is at your board.\n");
+ return COM_OK;
+ }
+
+ if (garray[g].link >= 0) {
+ pprintf(p, "Switch not implemented for bughouse games.\n");
+ return COM_OK;
+ }
+
+ if (player_find_pendfrom(p, parray[p].opponent, PEND_SWITCH) >= 0) {
+ player_remove_request(parray[p].opponent, p, PEND_SWITCH);
+ player_decline_offers(p, -1, -PEND_SIMUL);
+
+ tmp = garray[g].white;
+ garray[g].white = garray[g].black;
+ garray[g].black = tmp;
+ parray[p].side = (parray[p].side == WHITE ? BLACK : WHITE);
+
+ strTmp = xstrdup(garray[g].white_name);
+ mstrlcpy(garray[g].white_name, garray[g].black_name,
+ sizeof(garray[g].white_name));
+ mstrlcpy(garray[g].black_name, strTmp,
+ sizeof(garray[g].black_name));
+ strfree(strTmp);
+
+ parray[parray[p].opponent].side =
+ (parray[parray[p].opponent].side == WHITE ? BLACK : WHITE);
+
+ // Roll back the time
+ if (garray[g].game_state.onMove == WHITE) {
+ garray[g].wTime += (garray[g].lastDecTime -
+ garray[g].lastMoveTime);
+ } else {
+ garray[g].bTime += (garray[g].lastDecTime -
+ garray[g].lastMoveTime);
+ }
+
+ now = tenth_secs();
+
+ if (garray[g].numHalfMoves == 0)
+ garray[g].timeOfStart = now;
+
+ garray[g].lastMoveTime = now;
+ garray[g].lastDecTime = now;
+
+ send_boards(g);
+ return COM_OK;
+ }
+
+ if (garray[g].rated && garray[g].numHalfMoves > 0) {
+ pprintf(p, "You cannot switch sides once a rated game is "
+ "underway.\n");
+ return COM_OK;
+ }
+
+ pprintf(parray[p].opponent, "\n");
+ pprintf_highlight(parray[p].opponent, "%s", parray[p].name);
+ pprintf_prompt(parray[p].opponent, " would like to switch sides.\n"
+ "Type \"accept\" to switch sides, or \"decline\" to refuse.\n");
+ pprintf(p, "Switch request sent.\n");
+ player_add_request(p, parray[p].opponent, PEND_SWITCH, 0);
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_time(int p, param_list param)
+{
+ int p1, g;
+
+ if (param[0].type == TYPE_NULL) {
+ g = parray[p].game;
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+ } else {
+ if ((g = GameNumFromParam(p, &p1, &param[0])) < 0)
+ return COM_OK;
+ }
+
+ if (g < 0 || g >= g_num || garray[g].status != GAME_ACTIVE) {
+ pprintf(p, "There is no such game.\n");
+ return COM_OK;
+ }
+
+ game_update_time(g);
+
+ pprintf(p, "White (%s) : %d mins, %d secs\n",
+ parray[garray[g].white].name,
+ garray[g].wTime / 600,
+ (garray[g].wTime - ((garray[g].wTime / 600) * 600)) / 10);
+ pprintf(p, "Black (%s) : %d mins, %d secs\n",
+ parray[garray[g].black].name,
+ garray[g].bTime / 600,
+ (garray[g].bTime - ((garray[g].bTime / 600) * 600)) / 10);
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_boards(int p, param_list param)
+{
+ DIR *dirp;
+ char *category = NULL;
+ char dname[MAX_FILENAME_SIZE] = { '\0' };
+#ifdef USE_DIRENT
+ struct dirent *dp;
+#else
+ struct direct *dp;
+#endif
+
+ if (param[0].type == TYPE_WORD)
+ category = param[0].val.word;
+
+ if (category) {
+ pprintf(p, "Boards Available For Category %s:\n", category);
+ msnprintf(dname, sizeof dname, "%s/%s", board_dir, category);
+ } else {
+ pprintf(p, "Categories Available:\n");
+ msnprintf(dname, sizeof dname, "%s", board_dir);
+ }
+
+ if ((dirp = opendir(dname)) == NULL) {
+ pprintf(p, "No such category %s, try \"boards\".\n", category);
+ return COM_OK;
+ }
+
+ // YUK! What a mess, how about printing an ordered directory? - DAV
+ for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
+ if (!strcmp(dp->d_name, "."))
+ continue;
+ if (!strcmp(dp->d_name, ".."))
+ continue;
+ pprintf(p, "%s\n", dp->d_name);
+ }
+
+ closedir(dirp);
+ return COM_OK;
+}
+
+PUBLIC int
+com_simmatch(int p, param_list param)
+{
+ char tmp[100] = { '\0' };
+ int num;
+ int p1, g, adjourned;
+
+ if (parray[p].game >= 0 && garray[parray[p].game].status ==
+ GAME_EXAMINE) {
+ pprintf(p, "You are still examining a game.\n");
+ return COM_OK;
+ }
+
+ p1 = player_find_part_login(param[0].val.word);
+
+ if (p1 < 0) {
+ pprintf(p, "No user named \"%s\" is logged in.\n",
+ param[0].val.word);
+ return COM_OK;
+ }
+
+ if (p == p1) {
+ pprintf(p, "You can't simmatch yourself!\n");
+ return COM_OK;
+ }
+
+ if (player_find_pendfrom(p, p1, PEND_SIMUL) >= 0) {
+ player_remove_request(p, p1, PEND_MATCH);
+ player_remove_request(p1, p, PEND_MATCH);
+ player_remove_request(p, p1, PEND_SIMUL);
+ player_remove_request(p1, p, PEND_SIMUL);
+ player_withdraw_offers(p, -1, PEND_SIMUL);
+ player_decline_offers(p1, -1, PEND_SIMUL);
+ player_withdraw_offers(p1, -1, PEND_SIMUL);
+ player_decline_offers(p, -1, PEND_MATCH);
+ player_withdraw_offers(p, -1, PEND_MATCH);
+ player_decline_offers(p1, -1, PEND_MATCH);
+ player_withdraw_offers(p1, -1, PEND_MATCH);
+ player_decline_offers(p, -1, PEND_PARTNER);
+ player_withdraw_offers(p, -1, PEND_PARTNER);
+ player_decline_offers(p1, -1, PEND_PARTNER);
+ player_withdraw_offers(p1, -1, PEND_PARTNER);
+
+ if (parray[p].simul_info.numBoards >= MAX_SIMUL) {
+ pprintf(p, "You are already playing the maximum of %d "
+ "boards.\n", MAX_SIMUL);
+ pprintf(p1, "Simul request removed, boards filled.\n");
+ return COM_OK;
+ }
+
+ // stop observing when match starts
+ unobserveAll(p);
+ unobserveAll(p1);
+
+ g = game_new();
+ adjourned = 0;
+
+ if (game_read(g, p, p1) >= 0)
+ adjourned = 1;
+
+ if (!adjourned) { // no adjourned game - so begin a new game.
+ game_remove(g);
+
+ if (create_new_match(p, p1, 0, 0, 0, 0, 0, "standard",
+ "standard", 1)) {
+ pprintf(p, "There was a problem creating the "
+ "new match.\n");
+ pprintf_prompt(p1, "There was a problem "
+ "creating the new match.\n");
+ return COM_OK;
+ }
+ } else { // resume adjourned game
+ game_delete(p, p1);
+
+ msnprintf(tmp, sizeof tmp, "{Game %d (%s vs. %s) "
+ "Continuing %s %s simul.}\n",
+ (g + 1),
+ parray[p].name,
+ parray[p1].name,
+ rstr[garray[g].rated],
+ bstr[garray[g].type]);
+
+ pprintf(p, "%s", tmp);
+ pprintf(p1, "%s", tmp);
+
+ garray[g].white = p;
+ garray[g].black = p1;
+ garray[g].status = GAME_ACTIVE;
+ garray[g].startTime = tenth_secs();
+ garray[g].lastMoveTime = garray[g].startTime;
+ garray[g].lastDecTime = garray[g].startTime;
+ parray[p].game = g;
+ parray[p].opponent = p1;
+ parray[p].side = WHITE;
+ parray[p1].game = g;
+ parray[p1].opponent = p;
+ parray[p1].side = BLACK;
+
+ send_boards(g);
+ }
+
+ num = parray[p].simul_info.numBoards;
+
+ parray[p].simul_info.results[num] = -1;
+ parray[p].simul_info.boards[num] = parray[p].game;
+ parray[p].simul_info.numBoards++;
+
+ if (parray[p].simul_info.numBoards > 1 &&
+ parray[p].simul_info.onBoard >= 0)
+ player_goto_board(p, parray[p].simul_info.onBoard);
+ else
+ parray[p].simul_info.onBoard = 0;
+ return COM_OK;
+ }
+
+ if (player_find_pendfrom(p, -1, PEND_SIMUL) >= 0) {
+ pprintf(p, "You cannot be the simul giver and request to join "
+ "another simul.\nThat would just be too confusing for me "
+ "and you.\n");
+ return COM_OK;
+ }
+
+ if (parray[p].simul_info.numBoards) {
+ pprintf(p, "You cannot be the simul giver and request to join "
+ "another simul.\nThat would just be too confusing for me "
+ "and you.\n");
+ return COM_OK;
+ }
+
+ if (parray[p].game >= 0) {
+ pprintf(p, "You are already playing a game.\n");
+ return COM_OK;
+ }
+
+ if (!parray[p1].sopen) {
+ pprintf_highlight(p, "%s", parray[p1].name);
+ pprintf(p, " is not open to receiving simul requests.\n");
+ return COM_OK;
+ }
+
+ if (parray[p1].simul_info.numBoards >= MAX_SIMUL) {
+ pprintf_highlight(p, "%s", parray[p1].name);
+ pprintf(p, " is already playing the maximum of %d boards.\n",
+ MAX_SIMUL);
+ return COM_OK;
+ }
+
+ // loon: checking for some crazy situations we can't allow :)
+ if (parray[p1].game >= 0 && parray[p1].simul_info.numBoards == 0) {
+ pprintf_highlight(p, "%s", parray[p1].name);
+
+ if (parray[garray[parray[p1].game].white].simul_info.numBoards) {
+ pprintf(p, " is playing in ");
+ pprintf_highlight(p, "%s",
+ parray[parray[p1].opponent].name);
+ pprintf(p, "'s simul, and can't accept.\n");
+ } else {
+ pprintf(p, " can't begin a simul while playing a "
+ "non-simul game.\n");
+ }
+
+ return COM_OK;
+ }
+
+ g = game_new();
+ adjourned = ((game_read(g, p, p1) < 0 && game_read(g, p1, p) < 0)
+ ? 0 : 1);
+
+ if (adjourned) {
+ if (!(garray[g].type == TYPE_UNTIMED))
+ adjourned = 0;
+ }
+
+ game_remove(g);
+
+ if (player_add_request(p, p1, PEND_SIMUL, 0)) {
+ pprintf(p, "Maximum number of pending actions reached. "
+ "Your request was not sent.\nTry again later.\n");
+ return COM_OK;
+ } else {
+
+ pprintf(p1, "\n");
+ pprintf_highlight(p1, "%s", parray[p].name);
+
+ if (adjourned) {
+ pprintf_prompt(p1, " requests to continue an "
+ "adjourned simul game.\n");
+ pprintf(p, "Request to resume simul sent. "
+ "Adjourned game found.\n");
+ } else {
+ pprintf_prompt(p1, " requests to join a simul match "
+ "with you.\n");
+ pprintf(p, "Simul match request sent.\n");
+ }
+ }
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_goboard(int p, param_list param)
+{
+ int on, g, p1;
+
+ if (!parray[p].simul_info.numBoards) {
+ pprintf(p, "You are not giving a simul.\n");
+ return COM_OK;
+ }
+
+ p1 = player_find_part_login(param[0].val.word);
+
+ if (p1 < 0) {
+ pprintf(p, "No user named \"%s\" is logged in.\n",
+ param[0].val.word);
+ return COM_OK;
+ }
+
+ if (p == p1) {
+ pprintf(p, "You can't goboard yourself!\n");
+ return COM_OK;
+ }
+
+ on = parray[p].simul_info.onBoard;
+
+ if ((g = parray[p].simul_info.boards[on]) < 0) {
+ pprintf(p, "Internal error! Unexpected negative value!\n");
+ return COM_OK;
+ }
+
+ if (p1 == garray[g].black) {
+ pprintf(p, "You are already at that board!\n");
+ return COM_OK;
+ }
+
+ if (parray[p].simul_info.numBoards > 1) {
+ player_decline_offers(p, -1, -PEND_SIMUL);
+
+ if (player_goto_simulgame_bynum(p, parray[p1].game) != -1) {
+ if (g >= 0) {
+ pprintf(garray[g].black, "\n");
+ pprintf_highlight(garray[g].black, "%s",
+ parray[p].name);
+ pprintf_prompt(garray[g].black, " has moved "
+ "away from your board.\n");
+ }
+ }
+ } else
+ pprintf(p, "You are only playing one board!\n");
+ return COM_OK;
+}
+
+PUBLIC int
+com_gonum(int p, param_list param)
+{
+ int on, g, gamenum;
+
+ if (!parray[p].simul_info.numBoards) {
+ pprintf(p, "You are not giving a simul.\n");
+ return COM_OK;
+ }
+
+ on = parray[p].simul_info.onBoard;
+ g = parray[p].simul_info.boards[on];
+ gamenum = param[0].val.integer - 1;
+
+ if (gamenum < 0)
+ gamenum = 0;
+
+ if (on == gamenum) {
+ pprintf(p, "You are already at that board!\n");
+ return COM_OK;
+ }
+
+ if (parray[p].simul_info.numBoards > 1) {
+ player_decline_offers(p, -1, -PEND_SIMUL);
+
+ if (player_goto_simulgame_bynum(p, gamenum) != -1) {
+ if (g >= 0) {
+ pprintf(garray[g].black, "\n");
+ pprintf_highlight(garray[g].black, "%s",
+ parray[p].name);
+ pprintf_prompt(garray[g].black, " has moved "
+ "away from your board.\n");
+ }
+ }
+ } else
+ pprintf(p, "You are only playing one board!\n");
+ return COM_OK;
+}
+
+PUBLIC int
+com_simnext(int p, param_list param)
+{
+ int on, g;
+
+ if (!parray[p].simul_info.numBoards) {
+ pprintf(p, "You are not giving a simul.\n");
+ return COM_OK;
+ }
+
+ if (parray[p].simul_info.numBoards > 1) {
+ player_decline_offers(p, -1, -PEND_SIMUL);
+ on = parray[p].simul_info.onBoard;
+ g = parray[p].simul_info.boards[on];
+
+ if (g >= 0) {
+ pprintf(garray[g].black, "\n");
+ pprintf_highlight(garray[g].black, "%s",
+ parray[p].name);
+ pprintf_prompt(garray[g].black, " is moving away from "
+ "your board.\n");
+ player_goto_next_board(p);
+ }
+ } else
+ pprintf(p, "You are only playing one board!\n");
+ return COM_OK;
+}
+
+PUBLIC int
+com_simprev(int p, param_list param)
+{
+ int on, g;
+
+ if (!parray[p].simul_info.numBoards) {
+ pprintf(p, "You are not giving a simul.\n");
+ return COM_OK;
+ }
+
+ if (parray[p].simul_info.numBoards > 1) {
+ player_decline_offers(p, -1, -PEND_SIMUL);
+ on = parray[p].simul_info.onBoard;
+ g = parray[p].simul_info.boards[on];
+
+ if (g >= 0) {
+ pprintf(garray[g].black, "\n");
+ pprintf_highlight(garray[g].black, "%s",
+ parray[p].name);
+ pprintf_prompt(garray[g].black, " is moving back to "
+ "the previous board.\n");
+ }
+
+ player_goto_prev_board(p);
+ } else
+ pprintf(p, "You are only playing one board!\n");
+ return COM_OK;
+}
+
+PUBLIC int
+com_simgames(int p, param_list param)
+{
+ int p1 = p;
+
+ if (param[0].type == TYPE_WORD) {
+ if ((p1 = player_find_part_login(param[0].val.word)) < 0) {
+ pprintf(p, "No player named %s is logged in.\n",
+ param[0].val.word);
+ return COM_OK;
+ }
+ }
+
+ if (p1 == p) {
+ pprintf(p, "You are playing %d simultaneous games.\n",
+ player_num_active_boards(p1));
+ } else {
+ pprintf(p, "%s is playing %d simultaneous games.\n",
+ parray[p1].name, player_num_active_boards(p1));
+ }
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_simpass(int p, param_list param)
+{
+ int g, p1, on;
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+
+ g = parray[p].game;
+ p1 = garray[g].white;
+
+ if (!parray[p1].simul_info.numBoards) {
+ pprintf(p, "You are not participating in a simul.\n");
+ return COM_OK;
+ }
+
+ if (p == p1) {
+ pprintf(p, "You are the simul holder and cannot pass!\n");
+ return COM_OK;
+ }
+
+ if (player_num_active_boards(p1) == 1) {
+ pprintf(p, "This is the only game, so passing is futile.\n");
+ return COM_OK;
+ }
+
+ on = parray[p1].simul_info.onBoard;
+
+ if (parray[p1].simul_info.boards[on] != g) {
+ pprintf(p, "You cannot pass until the simul holder arrives!\n");
+ return COM_OK;
+ }
+
+ if (garray[g].passes >= MAX_SIMPASS) {
+ if (parray[p].bell)
+ pprintf(p, "\a");
+ pprintf(p, "You have reached your maximum of %d pass(es).\n",
+ MAX_SIMPASS);
+ pprintf(p, "Please move IMMEDIATELY!\n");
+ pprintf_highlight(p1, "%s", parray[p].name);
+ pprintf_prompt(p1, " tried to pass, but is out of passes.\n");
+ return COM_OK;
+ }
+
+ player_decline_offers(p, -1, -PEND_SIMUL);
+ garray[g].passes++;
+
+ pprintf(p, "You have passed and have %d pass(es) left.\n",
+ (MAX_SIMPASS - garray[g].passes));
+ pprintf_highlight(p1, "%s", parray[p].name);
+ pprintf_prompt(p1, " has decided to pass and has %d pass(es) left.\n",
+ (MAX_SIMPASS - garray[g].passes));
+ player_goto_next_board(p1);
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_simabort(int p, param_list param)
+{
+ if (!parray[p].simul_info.numBoards) {
+ pprintf(p, "You are not giving a simul.\n");
+ return COM_OK;
+ }
+
+ player_decline_offers(p, -1, -PEND_SIMUL);
+ game_ended(parray[p].simul_info.boards[parray[p].simul_info.onBoard],
+ WHITE, END_ABORT);
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_simallabort(int p, param_list param)
+{
+ if (!parray[p].simul_info.numBoards) {
+ pprintf(p, "You are not giving a simul.\n");
+ return COM_OK;
+ }
+
+ player_decline_offers(p, -1, -PEND_SIMUL);
+
+ for (int i = 0; i < parray[p].simul_info.numBoards; i++) {
+ if (parray[p].simul_info.boards[i] >= 0) {
+ game_ended(parray[p].simul_info.boards[i], WHITE,
+ END_ABORT);
+ }
+ }
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_simadjourn(int p, param_list param)
+{
+ if (!parray[p].simul_info.numBoards) {
+ pprintf(p, "You are not giving a simul.\n");
+ return COM_OK;
+ }
+
+ player_decline_offers(p, -1, -PEND_SIMUL);
+ game_ended(parray[p].simul_info.boards[parray[p].simul_info.onBoard],
+ WHITE, END_ADJOURN);
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_simalladjourn(int p, param_list param)
+{
+ if (!parray[p].simul_info.numBoards) {
+ pprintf(p, "You are not giving a simul.\n");
+ return COM_OK;
+ }
+
+ player_decline_offers(p, -1, -PEND_SIMUL);
+
+ for (int i = 0; i < parray[p].simul_info.numBoards; i++) {
+ if (parray[p].simul_info.boards[i] >= 0) {
+ game_ended(parray[p].simul_info.boards[i], WHITE,
+ END_ADJOURN);
+ }
+ }
+
+ return COM_OK;
+}
+
+PUBLIC int
+com_moretime(int p, param_list param)
+{
+ int g, increment;
+
+ ASSERT(param[0].type == TYPE_INT);
+
+ if (parray[p].game >= 0 && garray[parray[p].game].status ==
+ GAME_EXAMINE) {
+ pprintf(p, "You cannot use moretime in an examined game.\n");
+ return COM_OK;
+ }
+
+ if ((increment = param[0].val.integer) <= 0) {
+ pprintf(p, "Moretime requires an integer value greater than "
+ "zero.\n");
+ return COM_OK;
+ }
+
+ if (!pIsPlaying(p))
+ return COM_OK;
+
+ if (increment > 600) {
+ pprintf(p, "Moretime has a maximum limit of 600 seconds.\n");
+ increment = 600;
+ }
+
+ g = parray[p].game;
+
+ if (garray[g].white == p) {
+ garray[g].bTime += increment * 10;
+#ifdef TIMESEAL
+ garray[g].bRealTime += increment * 10 * 100;
+#endif
+ pprintf(p, "%d seconds were added to your opponents clock\n",
+ increment);
+ pprintf_prompt(parray[p].opponent, "\nYour opponent has "
+ "added %d seconds to your clock.\n", increment);
+ }
+
+ if (garray[g].black == p) {
+ garray[g].wTime += increment * 10;;
+#ifdef TIMESEAL
+ garray[g].wRealTime += increment * 10 * 100;
+#endif
+ pprintf(p, "%d seconds were added to your opponents clock\n",
+ increment);
+ pprintf_prompt(parray[p].opponent, "\nYour opponent has "
+ "added %d seconds to your clock.\n", increment);
+ }
+
+ return COM_OK;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-08 08:05:18 +0000