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-rw-r--r--scripts/tictactoe.pl665
1 files changed, 665 insertions, 0 deletions
diff --git a/scripts/tictactoe.pl b/scripts/tictactoe.pl
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index 0000000..0cee27a
--- /dev/null
+++ b/scripts/tictactoe.pl
@@ -0,0 +1,665 @@
+use strict;
+use vars qw($VERSION %IRSSI);
+
+use Irssi;
+use Text::ParseWords;
+
+$VERSION = '0.01';
+%IRSSI = (
+ authors => 'bw1',
+ contact => 'bw1@aol.at',
+ name => 'tictactoe',
+ description => 'tic-tac-toe game',
+ license => 'LGPLv3',
+ url => 'https://scripts.irssi.org/',
+ changed => '2019-06-07',
+ modules => 'Text::ParseWords',
+ commands=> 'tictactoe',
+);
+
+my $help = << "END";
+%9Name%n
+ $IRSSI{name}
+%9Version%n
+ $VERSION
+%9description%n
+ $IRSSI{description}
+
+ start the game:
+ /tictactoe game
+ nick: !game
+ print the board
+ /tictactoe board
+ nick: !board
+ drop a stone
+ /tictactoe b0
+ nick: !b0
+END
+
+my ($server, $nick, $target, $witem, $type);
+
+# 0= free, 1= stone player1, 2= stone player2
+my @board= (
+ [0,1,2],
+ [0,2,0],
+ [0,0,0],
+);
+my $step_counter=3;
+
+# 0= free, 1= i, 2= you, 3=whatever
+my @gray= (
+ # over
+ [[1,1,1],[3,3,3],[3,3,3], 0,0, -1],
+ [[3,3,3],[1,1,1],[3,3,3], 0,0, -1],
+ [[1,3,3],[3,1,3],[3,3,1], 0,0, -1],
+
+ [[2,2,2],[3,3,3],[3,3,3], 0,0, -2],
+ [[3,3,3],[2,2,2],[3,3,3], 0,0, -2],
+ [[2,3,3],[3,2,3],[3,3,2], 0,0, -2],
+ # last
+ [[1,1,0],[3,3,3],[3,3,3], 0,2, 1],
+ [[0,1,1],[3,3,3],[3,3,3], 0,0, 1],
+ [[1,0,1],[3,3,3],[3,3,3], 0,1, 1],
+
+ [[3,3,3],[1,1,0],[3,3,3], 1,2, 1],
+ [[3,3,3],[0,1,1],[3,3,3], 1,0, 1],
+ [[3,3,3],[1,0,1],[3,3,3], 1,1, 1],
+
+ [[1,3,3],[3,1,3],[3,3,0], 2,2, 1],
+ [[1,3,3],[3,0,3],[3,3,1], 1,1, 1],
+ # no 3
+ [[2,2,0],[3,3,3],[3,3,3], 0,2, 0],
+ [[0,2,2],[3,3,3],[3,3,3], 0,0, 0],
+ [[2,0,2],[3,3,3],[3,3,3], 0,1, 0],
+
+ [[3,3,3],[2,2,0],[3,3,3], 1,2, 0],
+ [[3,3,3],[0,2,2],[3,3,3], 1,0, 0],
+ [[3,3,3],[2,0,2],[3,3,3], 1,1, 0],
+
+ [[2,3,3],[3,2,3],[3,3,0], 2,2, 0],
+ [[2,3,3],[3,0,3],[3,3,2], 1,1, 0],
+ #
+ [[2,0,0],[0,2,0],[3,0,1], 0,2, 0],
+ [[2,0,3],[0,2,0],[0,0,1], 2,0, 0],
+ # d3
+ [[2,0,0],[3,3,0],[3,3,2], 0,1, 0],
+ [[2,0,0],[3,2,3],[3,0,3], 0,1, 0],
+ [[2,3,3],[0,2,0],[0,3,3], 1,0, 0],
+ [[0,2,0],[2,3,3],[0,3,3], 0,0, 0],
+ [[0,2,0],[0,3,3],[2,3,3], 0,0, 0],
+ [[0,0,2],[2,3,3],[0,3,3], 0,0, 0],
+ # M
+ [[3,3,3],[3,0,3],[3,3,3], 1,1, 0],
+ # M2
+ [[3,3,3],[3,2,3],[3,3,0], 2,2, 0],
+);
+
+# game state
+# 0 off
+# 10 player[0] turn
+# 20 player[1] turn
+# 30 vs computer
+my $state=0;
+# player
+my @player=();
+
+sub rotate {
+ my ($r) =@_;
+ my @ca;
+ for(my $c=0; $c <3; $c++) {
+ push @ca,$board[$c][0];
+ }
+ push @ca,$board[2][1];
+ for(my $c=2; $c >-1; $c--) {
+ push @ca,$board[$c][2];
+ }
+ push @ca,$board[0][1];
+
+ for(my $c=0; $c <$r*2; $c++) {
+ push @ca, shift(@ca);
+ }
+
+ for(my $c=0; $c <3; $c++) {
+ $board[$c][0]= shift(@ca);
+ }
+ $board[2][1]= shift(@ca);
+ for(my $c=2; $c >-1; $c--) {
+ $board[$c][2]= shift(@ca);
+ }
+ $board[0][1]= shift(@ca);
+}
+
+sub compute {
+ my ($max)= @_;
+ my $res;
+ my $mc=0;
+ foreach my $s (@gray) {
+ for(my $r=0; $r<4; $r++) {
+ my $ok=1;
+ for(my $x=0; $x <3; $x++) {
+ for(my $y=0; $y <3; $y++) {
+ if ($s->[$x][$y] !=3) {
+ if ($s->[$x][$y] != $board[$x][$y]) {
+ $ok=0;
+ last;
+ }
+ }
+ }
+ last if ($ok==0);
+ }
+ if ($ok == 1) {
+ if (!defined $res) {
+ $res =$s->[5];
+ if ($s->[5] >=0) {
+ $board[$s->[3]][$s->[4]]=1;
+ $step_counter++;
+ }
+ }
+ }
+ rotate(1);
+ }
+ last if (defined $res);
+ $mc++;
+ last if (defined($max) && $mc > $max);
+ }
+ return $res;
+}
+
+# step_in('a1',2);
+sub step_in {
+ my ($st,$player) = @_;
+
+ return 1 if (length($st) != 2);
+ my $y = ord(lc(substr($st,0,1))) -97;
+ return 2 if ($y <0 || $y >2);
+ my $x = substr($st,1,1);
+ return 3 if ($x <0 || $x >2);
+ return 4 if ($board[$x][$y] !=0);
+ $board[$x][$y]= $player;
+ $step_counter++;
+ return 0;
+}
+
+sub sc_clear {
+ for(my $x=0; $x <3; $x++) {
+ for(my $y=0; $y <3; $y++) {
+ $board[$x][$y]=0;
+ }
+ }
+ $step_counter=0;
+}
+
+# return state
+# 0 normal step
+# 1 last step by computer
+# -1 computer win
+# -2 computer lost
+# -5 draw
+sub sc_compute {
+ my $st=0;
+ my $max;
+ if ($player[1]->{difficult} eq 'e') {
+ $max=5;
+ }
+ if ($player[1]->{difficult} eq 'n') {
+ $max=5+8;
+ }
+ if ($player[1]->{difficult} eq 'i') {
+ $max=5+8+10;
+ }
+ if ($player[1]->{difficult} eq 'a') {
+ $max=5+8+10+6;
+ }
+ if ($player[1]->{difficult} eq 'x') {
+ $max=undef;
+ }
+ my $res=compute($max);
+ if (!defined $res) {
+ my $r= random();
+ if ($r) {
+ $st=-5;
+ }
+ } else {
+ if ($res <0 || $res ==1) {
+ $st=$res;
+ }
+ }
+ if ($step_counter == 9 && $st == 0) {
+ $st= -5;
+ }
+ return $st;
+}
+
+sub sc_check {
+ my $r= compute(5);
+ if (!defined $r && $step_counter == 9) {
+ $r= -5;
+ }
+ return $r;
+}
+
+sub random {
+ my $r = int(rand()*10)+1;
+ my $c;
+ while ($r >0 ) {
+ $c=0;
+ for(my $x=0; $x <3; $x++) {
+ for(my $y=0; $y <3; $y++) {
+ if ($board[$x][$y]==0) {
+ $r--;
+ } else {
+ $c++;
+ }
+ if ($r <=0) {
+ $board[$x][$y]=1;
+ $step_counter++;
+ last;
+ }
+ }
+ last if ($r <=0);
+ }
+ last if ( $c >=8);
+ }
+ return ($c >=8);
+}
+
+sub def_player {
+ my ($num)= @_;
+ if (defined $witem) {
+ $player[$num]->{type}='L';
+ }
+ if (defined $type) {
+ $player[$num]->{type}=$type;
+ }
+ if (defined $server) {
+ $player[$num]->{server}=$server->{tag};
+ }
+ if (defined $target) {
+ $player[$num]->{target}=$target;
+ }
+}
+
+sub board {
+ my $str= " %9abc%n\n";
+ my %c = (
+ 0=>' ',
+ 1=>$player[1]->{stone},
+ 2=>$player[0]->{stone},
+ );
+ for(my $x=0; $x<3; $x++) {
+ my $r="%9 $x%n ";
+ for(my $y=0; $y<3; $y++) {
+ $r .= $c{$board[$x][$y]};
+ }
+ $str .= $r."\n";
+ }
+ $str .= "\n";
+ return $str;
+}
+
+sub cmd {
+ my ($args, $server, $wi)=@_;
+ my @args = grep { $_ ne ''} quotewords('\s+', 0, $args);
+ $witem= $wi;
+ $type= 'L';
+ subcmd(@args);
+ $type= undef;
+ $witem= undef;
+}
+
+sub cmd_help {
+ my ($args, $server, $witem)=@_;
+ $args=~ s/\s+//g;
+ if ($IRSSI{name} eq $args) {
+ Irssi::print($help, MSGLEVEL_CLIENTCRAP);
+ Irssi::signal_stop();
+ }
+}
+
+sub subcmd {
+ my (@args) =@_;
+ my $a= $args[0];
+ if ($a eq 'help' || $a eq '') {
+ out($help);
+ }
+ if ($a eq 'board') {
+ out(board(),1);
+ }
+ # init
+ if ($state==0 && $a eq 'game') {
+ $state=1;
+ $player[0]->{nick}=$nick;
+ def_player(0);
+ if ($type eq 'L') {
+ $a='c';
+ } else {
+ out('%9tictactoe%n vs %gc%nomputer or vs %gh%numan?');
+ }
+ }
+ if ($state==1 && $player[0]->{nick} eq $nick && $a =~ m/^c/) {
+ $state=2;
+ $player[1]->{computer}=1;
+ out('difficulty: %ge%nasy, %gn%novice, %gi%nntermediate, '.
+ '%ga%ndvanced, e%gx%npert?');
+ # e asy
+ # n ovice
+ # i ntermediate
+ # a dvanced
+ # e x pert
+ }
+ if ($state==2 && $player[0]->{nick} eq $nick && $a =~ m/^([eniax])/) {
+ $state=3;
+ $a='';
+ $player[1]->{difficult}=$1;
+ out('%gX%n or %gO%n?');
+ }
+ # game start vs computer
+ if ($state==3 && $player[0]->{nick} eq $nick && $a =~ m/^[xo]$/i) {
+ $state=30;
+ sc_clear();
+ $player[0]->{win}=0;
+ $player[0]->{draw}=0;
+ $player[1]->{win}=0;
+ if (lc($a) eq 'x') {
+ $player[0]->{stone}='X';
+ $player[1]->{stone}='O';
+ } else {
+ $player[0]->{stone}='O';
+ $player[1]->{stone}='X';
+ # compute
+ sc_compute();
+ }
+ out(board(),1);
+ }
+ # play vs computer
+ if ($state==30 && $player[0]->{nick} eq $nick && $a =~ m/^[abc][012]$/i) {
+ $state=30;
+ if (step_in($a,2) == 0) {
+ my $r=sc_compute();
+ if ( $r==0 || $r==1 || $r==-5 ) {
+ out(board(),1);
+ }
+ if ( $r== -5 ) {
+ $state=31;
+ $player[0]->{draw}++;
+ out("draw");
+ }
+ if ( $r== 1 || $r== -1 ) {
+ $state=31;
+ $player[1]->{win}++;
+ out("computer win");
+ }
+ if ( $r== -2 ) {
+ $state=31;
+ $player[0]->{win}++;
+ out("you win");
+ }
+ if ($state==31) {
+ out("play a gain? (%gy%nes or %gn%no)");
+ }
+ }
+ }
+ if ($state==31 && $player[0]->{nick} eq $nick && $a =~ m/^[yn]/i) {
+ if ( $a=~ m/^n/i) {
+ my $s="%9computer%n:$player[1]->{win} %9draw%n:$player[0]->{draw} ";
+ $s .= "%9";
+ if ( $player[0]->{nick} eq '' ) {
+ $s .= "you";
+ } else {
+ $s .=$player[0]->{nick};
+ }
+ $s .="%n:$player[0]->{win}";
+ out($s);
+ @player=();
+ $state=0;
+ } else {
+ # game
+ $state=30;
+ sc_clear();
+ my $s= $player[0]->{stone};
+ $player[0]->{stone}= $player[1]->{stone};
+ $player[1]->{stone}= $s;
+ if ($player[1]->{stone} eq 'X') {
+ sc_compute();
+ }
+ out(board(),1);
+ }
+ }
+ # init vs human
+ if ($state==1 && $player[0]->{nick} eq $nick && $a =~ m/^h/) {
+ $state=5;
+ out("player 2 ? (".mynick().": !%gg%name)",1);
+ }
+ if ($state==5 && $player[0]->{nick} ne $nick && $a =~ m/^g/) {
+ $player[1]->{nick}=$nick;
+ my $r =int(rand(10)) % 2;
+ sc_clear();
+ $player[0]->{win}=0;
+ $player[0]->{draw}=0;
+ $player[1]->{win}=0;
+ out(board(),1);
+ if ($r == 0) {
+ $player[0]->{stone}='X';
+ $player[1]->{stone}='O';
+ $state=10;
+ out("your turn", 0, $player[0]->{nick});
+ } else {
+ $player[0]->{stone}='O';
+ $player[1]->{stone}='X';
+ $state=20;
+ out("your turn", 0, $player[1]->{nick});
+ }
+ }
+ # play vs human
+ if ($state==10 && $player[0]->{nick} eq $nick && $a =~ m/^[abc][012]$/) {
+ if (step_in($a,2) == 0) {
+ my $r= sc_check();
+ if (!defined $r) {
+ $state=20;
+ out(board(),1);
+ out("your turn", 0, $player[1]->{nick});
+ } else {
+ $state=11;
+ human_end($r);
+ }
+ }
+ }
+ if ($state==20 && $player[1]->{nick} eq $nick && $a =~ m/^[abc][012]$/) {
+ if (step_in($a,1) == 0) {
+ my $r= sc_check();
+ if (!defined $r) {
+ $state=10;
+ out(board(),1);
+ out("your turn", 0, $player[0]->{nick});
+ } else {
+ $state=11;
+ human_end($r);
+ }
+ }
+ }
+ # play again vs human
+ if ($state==11 &&
+ ($player[1]->{nick} eq $nick || $player[0]->{nick} eq $nick)
+ && $a =~ m/^[yn]/) {
+ if ($a =~ m/^y/i) {
+ sc_clear();
+ my $s= $player[0]->{stone};
+ $player[0]->{stone}= $player[1]->{stone};
+ $player[1]->{stone}= $s;
+ out(board(),1);
+ if ($player[1]->{stone} eq 'X') {
+ $state=20;
+ out("your turn", 0, $player[1]->{nick});
+ } else {
+ $state=10;
+ out("your turn", 0, $player[0]->{nick});
+ }
+ } else {
+ $state=0;
+ my $s="%9";
+ if ( $player[1]->{nick} eq '' ) {
+ $s .= "you";
+ } else {
+ $s .=$player[1]->{nick};
+ }
+ $s .= "%n:$player[1]->{win} %9draw%n:$player[0]->{draw} ";
+ $s .= "%9";
+ if ( $player[0]->{nick} eq '' ) {
+ $s .= "you";
+ } else {
+ $s .=$player[0]->{nick};
+ }
+ $s .="%n:$player[0]->{win}";
+ out($s);
+ @player=();
+ }
+ }
+}
+
+sub human_end {
+ my ($result)= @_;
+ out(board(),1);
+ if ($result == -5) {
+ out("draw",1);
+ $player[0]->{draw}++
+ }
+ if ($result == -1) {
+ out("$player[1]->{nick} win",1);
+ $player[1]->{win}++
+ }
+ if ($result == -2) {
+ out("$player[0]->{nick} win",1);
+ $player[0]->{win}++
+ }
+ out("play again (%gy%nes or %gn%no)",1);
+}
+
+sub to_irc_color {
+ my ($str)= @_;
+ $str =~ s/%9/\x{3}2/g;
+ $str =~ s/%g/\x{3}3/g;
+ $str =~ s/%n/\x{3}/g;
+ $str =~ s/%%/%/g;
+ return $str;
+}
+
+sub out {
+ my ($str, $neutral, $ni ) =@_;
+ my @l =split /\n/,$str;
+ $nick= $ni if (defined $ni);
+ foreach my $r (@l) {
+ if ($player[0]->{type} eq 'C') {
+ my $s= $player[0]->{server};
+ my $t= $player[0]->{target};
+ if ( $neutral== 1) {
+ Irssi::command("/msg -$s $t ".to_irc_color($r));
+ } else {
+ Irssi::command("msg -$s $t $nick: ".to_irc_color($r));
+ }
+ } elsif ($player[0]->{type} eq 'Q') {
+ my $s= $player[0]->{server};
+ my $t= $player[0]->{target};
+ if ( $neutral== 1) {
+ Irssi::command("/msg -$s $t ".to_irc_color($r));
+ } else {
+ Irssi::command("msg -$s $t $nick: ".to_irc_color($r));
+ }
+ } elsif (defined $witem) {
+ $witem->print($r, MSGLEVEL_CLIENTCRAP);
+ } else {
+ Irssi::print($r, MSGLEVEL_CLIENTCRAP);
+ }
+ }
+}
+
+sub mynick {
+ my $n;
+ if (defined $server) {
+ $n= $server->{nick};
+ }
+ if (defined $witem) {
+ my $s= $witem->{server};
+ $n= $s->{nick};
+ }
+ return $n;
+}
+
+sub sig_message_public {
+ my ($se, $msg, $ni, $address, $ta)= @_;
+ $type='C';
+ $server=$se;
+ $nick=$ni;
+ $target=$ta;
+ my @args = grep { $_ ne ''} quotewords('\s+', 0, $msg);
+ my $to =shift @args;
+ if ($to =~ m/^\Q$se->{nick}\E[:]?$/ ) {
+ if( $args[0] =~ m/^!(.*)$/ ) {
+ $args[0] = $1;
+ subcmd(@args);
+ }
+ }
+ $type=undef;
+ $server=undef;
+ $nick=undef;
+ $target=undef;
+}
+
+sub sig_message_private {
+ my ($se, $msg, $ni, $address, $ta)= @_;
+ $type='Q';
+ $server=$se;
+ $nick=$ni;
+ $target=$ni;
+ my @args = grep { $_ ne ''} quotewords('\s+', 0, $msg);
+ if ( $args[0] =~ m/^!(.*)$/ ) {
+ $args[0] = $1;
+ subcmd(@args);
+ }
+ $type=undef;
+ $server=undef;
+ $nick=undef;
+ $target=undef;
+}
+
+sub sig_message_own_private {
+ my ($se, $msg, $ta, $orig_target)= @_;
+ $server=$se;
+ $type='Q';
+ $nick=$se->{nick};
+ $target=$ta;
+ my @args = grep { $_ ne ''} quotewords('\s+', 0, $msg);
+ if ( $args[0] =~ m/^!(.*)$/ ) {
+ $args[0] = $1;
+ subcmd(@args);
+ }
+ $type=undef;
+ $server=undef;
+ $nick=undef;
+ $target=undef;
+}
+
+sub sig_message_own_public {
+ my ($se, $msg, $ta)= @_;
+ $server=$se;
+ $type='C';
+ $nick=$se->{nick};
+ $target=$ta;
+ my @args = grep { $_ ne ''} quotewords('\s+', 0, $msg);
+ if ( $args[0] =~ m/^!(.*)$/ ) {
+ $args[0] = $1;
+ subcmd(@args);
+ }
+ $type=undef;
+ $server=undef;
+ $nick=undef;
+ $target=undef;
+}
+
+Irssi::signal_add("message own_public", \&sig_message_own_public);
+Irssi::signal_add("message own_private", \&sig_message_own_private);
+Irssi::signal_add("message public", \&sig_message_public);
+Irssi::signal_add("message private", \&sig_message_private);
+
+Irssi::command_bind($IRSSI{name}, \&cmd);
+Irssi::command_bind('help', \&cmd_help);
+
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