void free_game( GAME_BOARD_DATA * board )
{
if ( !board )
return;
#ifdef IMC
if ( board->type == TYPE_IMC )
{
imc_send_chess( board->player1 ? board->player1 : NULL, board->player2, "stop" );
STRFREE( board->player2 );
}
#endif
if ( board->player1 )
{
if ( CHAR_DATA * ch = get_char_world( supermob, board->player1 ) ) // Added for bugfix - Findecano 23/11/07
{
ch_printf( ch, "The game has been stopped at %d total moves.\r\n", board->turn );
ch->pcdata->game_board = NULL;
}
}
if ( board->player2 )
{
if ( CHAR_DATA * ch = get_char_world( supermob, board->player2 ) ) // Added for bugfix - Findecano 23/11/07
{
ch_printf( ch, "The game has been stopped at %d total moves.\r\n", board->turn );
ch->pcdata->game_board = NULL;
}
}
STRFREE( board->player1 );
STRFREE( board->player2 );
DISPOSE( board );
}
void free_game( game_board_data * board )
{
if( !board )
return;
#ifdef IMC
if( board->type == TYPE_IMC )
{
deleteptr( board->imc_player );
imc_send_chess( !board->player1.empty( )? board->player1 : nullptr, board->player2, "stop" );
board->player2.clear( );
}
#endif
if( !board->player1.empty( ) )
{
if( char_data * ch = supermob->get_char_world( board->player1 ) ) // Added for bugfix - Findecano 23/11/07
{
ch->printf( "Your chess game has been stopped at %d total moves.\r\n", board->turn );
ch->pcdata->game_board = nullptr;
}
}
if( !board->player2.empty( ) )
{
if( char_data * ch = supermob->get_char_world( board->player2 ) ) // Added for bugfix - Findecano 23/11/07
{
ch->printf( "Your chess game has been stopped at %d total moves.\r\n", board->turn );
ch->pcdata->game_board = nullptr;
}
}
deleteptr( board );
}
void do_chess( CHAR_DATA * ch, const char *argument )
{
char arg[MAX_INPUT_LENGTH];
argument = one_argument( argument, arg );
if ( IS_NPC( ch ) )
{
send_to_char( "NPC's can't be in chess games.\r\n", ch );
return;
}
if ( !str_cmp( arg, "begin" ) )
{
GAME_BOARD_DATA *board;
if ( ch->pcdata->game_board )
{
send_to_char( "You are already in a chess match.\r\n", ch );
return;
}
CREATE( board, GAME_BOARD_DATA, 1 );
init_board( board );
ch->pcdata->game_board = board;
ch->pcdata->game_board->player1 = QUICKLINK( ch->name );
send_to_char( "You have started a game of chess.\r\n", ch );
return;
}
if ( !str_cmp( arg, "join" ) )
{
GAME_BOARD_DATA *board = NULL;
CHAR_DATA *vch;
char arg2[MAX_INPUT_LENGTH];
if ( ch->pcdata->game_board )
{
send_to_char( "You are already in a game of chess.\r\n", ch );
return;
}
argument = one_argument( argument, arg2 );
if ( arg2[0] == '\0' )
{
send_to_char( "Join whom in a chess match?\r\n", ch );
return;
}
#ifdef IMC
if ( strstr( arg2, "@" ) )
{
if ( !str_cmp( imc_mudof( arg2 ), this_imcmud->localname ) )
{
send_to_char( "You cannot join IMC chess on the local mud!\r\n", ch );
return;
}
if ( !str_cmp( imc_mudof( arg2 ), "*" ) )
{
send_to_char( "* is not a valid mud name.\r\n", ch );
return;
}
if ( !str_cmp( imc_nameof( arg2 ), "*" ) )
{
send_to_char( "* is not a valid player name.\r\n", ch );
return;
}
send_to_char( "Attempting to initiate IMC chess game...\r\n", ch );
CREATE( board, GAME_BOARD_DATA, 1 );
init_board( board );
board->type = TYPE_IMC;
board->player1 = QUICKLINK( ch->name );
board->player2 = STRALLOC( arg2 );
board->turn = -1;
ch->pcdata->game_board = board;
imc_send_chess( ch->name, arg2, "start" );
return;
}
#endif
if ( !( vch = get_char_world( ch, arg2 ) ) )
{
send_to_char( "Cannot find that player.\r\n", ch );
return;
}
if ( IS_NPC( vch ) )
{
send_to_char( "That player is an NPC, and cannot play games.\r\n", ch );
return;
}
board = vch->pcdata->game_board;
if ( !board )
{
send_to_char( "That player is not playing a game.\r\n", ch );
return;
}
if ( board->player2 )
{
send_to_char( "That game already has two players.\r\n", ch );
return;
}
board->player2 = QUICKLINK( ch->name );
ch->pcdata->game_board = board;
send_to_char( "You have joined a game of chess.\r\n", ch );
vch = get_char_world( ch, board->player1 );
ch_printf( vch, "%s has joined your game.\r\n", ch->name );
return;
}
if ( !ch->pcdata->game_board )
{
send_to_char( "Usage: chess <begin|cease|status|board|move|join>\r\n", ch );
return;
}
if ( !str_cmp( arg, "cease" ) )
{
free_game( ch->pcdata->game_board );
return;
}
if ( !str_cmp( arg, "status" ) )
{
GAME_BOARD_DATA *board = ch->pcdata->game_board;
if ( !board->player1 )
send_to_char( "There is no black player.\r\n", ch );
else if ( !str_cmp( board->player1, ch->name ) )
send_to_char( "You are black.\r\n", ch );
else
ch_printf( ch, "%s is black.\r\n", board->player1 );
if ( king_in_checkmate( board, BLACK_KING ) )
send_to_char( "The black king is in checkmate!\r\n", ch );
else if ( king_in_check( board, BLACK_KING ) )
send_to_char( "The black king is in check.\r\n", ch );
if ( !board->player2 )
send_to_char( "There is no white player.\r\n", ch );
else if ( !str_cmp( board->player2, ch->name ) )
send_to_char( "You are white.\r\n", ch );
else
ch_printf( ch, "%s is white.\r\n", board->player2 );
if ( king_in_checkmate( board, WHITE_KING ) )
send_to_char( "The white king is in checkmate!\r\n", ch );
else if ( king_in_check( board, WHITE_KING ) )
send_to_char( "The white king is in check.\r\n", ch );
if ( !board->player2 || !board->player1 )
return;
ch_printf( ch, "%d turns.\r\n", board->turn );
if ( board->turn % 2 == 1 && !str_cmp( board->player1, ch->name ) )
{
ch_printf( ch, "It is %s's turn.\r\n", board->player2 );
return;
}
else if ( board->turn % 2 == 0 && !str_cmp( board->player2, ch->name ) )
{
ch_printf( ch, "It is %s's turn.\r\n", board->player1 );
return;
}
else
{
send_to_char( "It is your turn.\r\n", ch );
return;
}
return;
}
if ( !str_prefix( arg, "board" ) )
{
send_to_char( print_big_board( ch, ch->pcdata->game_board ), ch );
return;
}
if ( !str_prefix( arg, "move" ) )
{
CHAR_DATA *opp;
char opp_name[MAX_INPUT_LENGTH];
char a, b;
int x, y, dx, dy, ret;
if ( !ch->pcdata->game_board->player1 || !ch->pcdata->game_board->player2 )
{
send_to_char( "There is only 1 player.\r\n", ch );
return;
}
if ( ch->pcdata->game_board->turn < 0 )
{
send_to_char( "The game hasn't started yet.\r\n", ch );
return;
}
if ( king_in_checkmate( ch->pcdata->game_board, BLACK_KING ) )
{
send_to_char( "The black king has been checkmated, the game is over.\r\n", ch );
return;
}
if ( king_in_checkmate( ch->pcdata->game_board, WHITE_KING ) )
{
send_to_char( "The white king has been checkmated, the game is over.\r\n", ch );
return;
}
if ( !*argument )
{
send_to_char( "Usage: chess move [piece to move] [where to move]\r\n", ch );
return;
}
if ( ch->pcdata->game_board->turn % 2 == 1 && !str_cmp( ch->pcdata->game_board->player1, ch->name ) )
{
send_to_char( "It is not your turn.\r\n", ch );
return;
}
if ( ch->pcdata->game_board->turn % 2 == 0 && !str_cmp( ch->pcdata->game_board->player2, ch->name ) )
{
send_to_char( "It is not your turn.\r\n", ch );
return;
}
if ( sscanf( argument, "%c%d %c%d", &a, &y, &b, &dy ) != 4 )
{
send_to_char( "Usage: chess move [dest] [source]\r\n", ch );
return;
}
if ( a < 'a' || a > 'h' || b < 'a' || b > 'h' || y < 1 || y > 8 || dy < 1 || dy > 8 )
{
send_to_char( "Invalid move, use a-h, 1-8.\r\n", ch );
return;
}
x = a - 'a';
dx = b - 'a';
--y;
--dy;
ret = is_valid_move( ch, ch->pcdata->game_board, x, y, dx, dy );
if ( ret == MOVE_OK || ret == MOVE_TAKEN )
{
GAME_BOARD_DATA *board;
int piece, destpiece;
board = ch->pcdata->game_board;
piece = board->board[x][y];
destpiece = board->board[dx][dy];
board->board[dx][dy] = piece;
board->board[x][y] = NO_PIECE;
if ( king_in_check( board, IS_WHITE( board->board[dx][dy] ) ? WHITE_KING : BLACK_KING ) && ( board->board[dx][dy] != WHITE_KING && board->board[dx][dy] != BLACK_KING ) )
{
board->board[dx][dy] = destpiece;
board->board[x][y] = piece;
ret = MOVE_INCHECK;
}
else
{
++board->turn;
#ifdef IMC
if ( ch->pcdata->game_board->type == TYPE_IMC )
{
snprintf( arg, LGST, "move %d%d %d%d", x, y, dx, dy );
imc_send_chess( ch->pcdata->game_board->player1, ch->pcdata->game_board->player2, arg );
}
#endif
}
}
if ( !str_cmp( ch->name, ch->pcdata->game_board->player1 ) )
{
opp = get_char_world( ch, ch->pcdata->game_board->player2 );
if ( !opp )
mudstrlcpy( opp_name, ch->pcdata->game_board->player2, MAX_INPUT_LENGTH );
}
else
{
opp = get_char_world( ch, ch->pcdata->game_board->player1 );
if ( !opp )
mudstrlcpy( opp_name, ch->pcdata->game_board->player1, MAX_INPUT_LENGTH );
}
#ifdef IMC
# define SEND_TO_OPP(arg,opp) \
if( opp ) \
{ \
if( ch->pcdata->game_board->type == TYPE_LOCAL ) \
ch_printf( (opp), "%s\r\n", (arg) ); \
} \
else \
{ \
if( ch->pcdata->game_board->type == TYPE_IMC ) \
imc_send_tell( ch->name, opp_name, (arg), 1 ); \
}
#else
# define SEND_TO_OPP(arg,opp) \
if( opp ) \
{ \
if( ch->pcdata->game_board->type == TYPE_LOCAL ) \
ch_printf( (opp), "%s\r\n", (arg) ); \
}
#endif
switch ( ret )
{
case MOVE_OK:
send_to_char( "Ok.\r\n", ch );
snprintf( arg, MAX_INPUT_LENGTH, "%s has moved.\r\n", ch->name );
SEND_TO_OPP( arg, opp );
break;
case MOVE_INVALID:
send_to_char( "Invalid move.\r\n", ch );
break;
case MOVE_BLOCKED:
send_to_char( "You are blocked in that direction.\r\n", ch );
break;
case MOVE_TAKEN:
send_to_char( "You take the enemy's piece.\r\n", ch );
snprintf( arg, MAX_INPUT_LENGTH, "%s has taken one of your pieces!", ch->name );
SEND_TO_OPP( arg, opp );
break;
case MOVE_CHECKMATE:
send_to_char( "That move would result in a checkmate.\r\n", ch );
snprintf( arg, MAX_INPUT_LENGTH, "%s has attempted a move that would result in checkmate.", ch->name );
SEND_TO_OPP( arg, opp );
break;
case MOVE_OFFBOARD:
send_to_char( "That move would be off the board.\r\n", ch );
break;
case MOVE_SAMECOLOR:
send_to_char( "Your own piece blocks the way.\r\n", ch );
break;
case MOVE_CHECK:
send_to_char( "That move would result in a check.\r\n", ch );
snprintf( arg, MAX_INPUT_LENGTH, "%s has made a move that would result in a check.", ch->name );
SEND_TO_OPP( arg, opp );
break;
case MOVE_WRONGCOLOR:
send_to_char( "That is not your piece.\r\n", ch );
break;
case MOVE_INCHECK:
send_to_char( "You are in check, you must save your king.\r\n", ch );
break;
default:
bug( "%s: Unknown return value", __FUNCTION__ );
break;
}
#undef SEND_TO_OPP
return;
}
send_to_char( "Usage: chess <begin|cease|status|board|move|join>\r\n", ch );
}
