misc/tools/midi2cfg-ng.pl

   1 #!/usr/bin/perl
   2
   3 # converter from Type 1 MIDI files to CFG files that control bots with the Tuba and other weapons for percussion (requires g_weaponarena all)
   4 # usage:
   5 #   perl midi2cfg.pl filename.mid basenote walktime "x y z" "x y z" "x y z" ... "/" "x y z" "x y z" ... > filename.cfg
   6
   7 use strict;
   8 use warnings;
   9 use MIDI;
  10 use MIDI::Opus;
  11 use Storable;
  12
  13 use constant MIDI_FIRST_NONCHANNEL => 17;
  14 use constant MIDI_DRUMS_CHANNEL => 10;
  15
  16 die "Usage: $0 filename.mid transpose timeoffset timeoffset2 timeoffset3 timeoffset4 preallocatedbots..."
  17         unless @ARGV >= 6;
  18 my ($filename, $transpose, $timeoffset, $timeoffset2, $timeoffset3, $timeoffset4, @preallocate) = @ARGV;
  19
  20 my $opus = MIDI::Opus->new({from_file => $filename});
  21 #$opus->write_to_file("/tmp/y.mid");
  22 my $ticksperquarter = $opus->ticks();
  23 my $tracks = $opus->tracks_r();
  24 my @tempi = (); # list of start tick, time per tick pairs (calculated as seconds per quarter / ticks per quarter)
  25 my $tick;
  26
  27 $tick = 0;
  28 for($tracks->[0]->events())
  29 {
  30     $tick += $_->[1];
  31     if($_->[0] eq 'set_tempo')
  32     {
  33         push @tempi, [$tick, $_->[2] * 0.000001 / $ticksperquarter];
  34     }
  35 }
  36 sub tick2sec($)
  37 {
  38     my ($tick) = @_;
  39     my $sec = 0;
  40     my $curtempo = [0, 0.5 / $ticksperquarter];
  41     for(@tempi)
  42     {
  43         if($_->[0] < $tick)
  44         {
  45                         # this event is in the past
  46                         # we add the full time since the last one then
  47                         $sec += ($_->[0] - $curtempo->[0]) * $curtempo->[1];
  48         }
  49         else
  50         {
  51                         # if this event is in the future, we break
  52                         last;
  53         }
  54                 $curtempo = $_;
  55     }
  56         $sec += ($tick - $curtempo->[0]) * $curtempo->[1];
  57         return $sec;
  58 }
  59
  60 # merge all to a single track
  61 my @allmidievents = ();
  62 my $sequence = 0;
  63 for my $track(0..@$tracks-1)
  64 {
  65         $tick = 0;
  66         for($tracks->[$track]->events())
  67         {
  68                 my ($command, $delta, @data) = @$_;
  69                 $tick += $delta;
  70                 push @allmidievents, [$command, $tick, $sequence++, $track, @data];
  71         }
  72 }
  73 @allmidievents = sort { $a->[1] <=> $b->[1] or $a->[2] <=> $b->[2] } @allmidievents;
  74
  75
  76 sub unsort(@)
  77 {
  78         return map { $_->[0] } sort { $a->[1] <=> $b->[1] } map { [$_, rand] } @_;
  79 }
  80
  81
  82
  83
  84
  85 my $notetime = undef;
  86 sub botconfig_read($)
  87 {
  88         my ($fn) = @_;
  89         my %bots = ();
  90         open my $fh, "<", $fn
  91                 or die "<$fn: $!";
  92
  93         my $currentbot = undef;
  94         my $appendref = undef;
  95         my $super = undef;
  96         while(<$fh>)
  97         {
  98                 chomp;
  99                 s/\s*#.*//;
 100                 next if /^$/;
 101                 if(s/^\t\t//)
 102                 {
 103                         my @cmd = split /\s+/, $_;
 104                         if($cmd[0] eq 'super')
 105                         {
 106                                 push @$appendref, @$super
 107                                         if $super;
 108                         }
 109                         elsif($cmd[0] eq 'percussion') # simple import
 110                         {
 111                                 push @$appendref, @{$currentbot->{percussion}->{$cmd[1]}};
 112                         }
 113                         else
 114                         {
 115                                 push @$appendref, \@cmd;
 116                         }
 117                 }
 118                 elsif(s/^\t//)
 119                 {
 120                         if(/^include (.*)/)
 121                         {
 122                                 my $base = $bots{$1};
 123                                 for(keys %$base)
 124                                 {
 125                                         if(ref $base->{$_})
 126                                         {
 127                                                 $currentbot->{$_} = Storable::dclone $base->{$_}; # copy array items as new array
 128                                         }
 129                                         else
 130                                         {
 131                                                 $currentbot->{$_} = $base->{$_};
 132                                         }
 133                                 }
 134                                 # better: do some merging TODO
 135                         }
 136                         elsif(/^count (\d+)/)
 137                         {
 138                                 $currentbot->{count} = $1;
 139                         }
 140                         elsif(/^transpose (\d+)/)
 141                         {
 142                                 $currentbot->{transpose} += $1;
 143                         }
 144                         elsif(/^channels (.*)/)
 145                         {
 146                                 $currentbot->{channels} = { map { $_ => 1 } split /\s+/, $1 };
 147                         }
 148                         elsif(/^init$/)
 149                         {
 150                                 $super = $currentbot->{init};
 151                                 $currentbot->{init} = $appendref = [];
 152                         }
 153                         elsif(/^done$/)
 154                         {
 155                                 $super = $currentbot->{done};
 156                                 $currentbot->{done} = $appendref = [];
 157                         }
 158                         elsif(/^note on (-?\d+)/)
 159                         {
 160                                 $super = $currentbot->{notes_on}->{$1};
 161                                 $currentbot->{notes_on}->{$1} = $appendref = [];
 162                         }
 163                         elsif(/^note off (-?\d+)/)
 164                         {
 165                                 $super = $currentbot->{notes_off}->{$1};
 166                                 $currentbot->{notes_off}->{$1} = $appendref = [];
 167                         }
 168                         elsif(/^percussion (\d+)/)
 169                         {
 170                                 $super = $currentbot->{percussion}->{$1};
 171                                 $currentbot->{percussion}->{$1} = $appendref = [];
 172                         }
 173                         else
 174                         {
 175                                 print "unknown command: $_\n";
 176                         }
 177                 }
 178                 elsif(/^bot (.*)/)
 179                 {
 180                         $currentbot = ($bots{$1} ||= {count => 0, transpose => 0});
 181                 }
 182                 else
 183                 {
 184                         print "unknown command: $_\n";
 185                 }
 186         }
 187
 188         my $lowestnotestart = undef;
 189         for(values %bots)
 190         {
 191                 for(values %{$_->{notes_on}}, values %{$_->{percussion}})
 192                 {
 193                         my $t = $_->[0]->[0] eq 'time' ? $_->[0]->[1] : 0;
 194                         $lowestnotestart = $t if not defined $lowestnotestart or $t < $lowestnotestart;
 195                 }
 196         }
 197
 198         $notetime = $timeoffset2 - $lowestnotestart;
 199
 200         return \%bots;
 201 }
 202
 203 sub busybot_cmd_bot_test($$@)
 204 {
 205         my ($bot, $time, @commands) = @_;
 206
 207         my $bottime = defined $bot->{timer} ? $bot->{timer} : -1;
 208         my $botbusytime = defined $bot->{busytimer} ? $bot->{busytimer} : -1;
 209
 210         return 0
 211                 if $time < $botbusytime;
 212
 213         my $mintime = (@commands && ($commands[0]->[0] eq 'time')) ? $commands[0]->[1] : 0;
 214
 215         return 0
 216                 if $time + $mintime < $bottime;
 217
 218         return 1;
 219 }
 220
 221 sub busybot_cmd_bot_execute($$@)
 222 {
 223         my ($bot, $time, @commands) = @_;
 224
 225         for(@commands)
 226         {
 227                 if($_->[0] eq 'time')
 228                 {
 229                         printf "sv_cmd bot_cmd %d wait_until %f\n", $bot->{id}, $time + $_->[1];
 230                         $bot->{timer} = $time + $_->[1];
 231                 }
 232                 elsif($_->[0] eq 'busy')
 233                 {
 234                         $bot->{busytimer} = $time + $_->[1];
 235                 }
 236                 elsif($_->[0] eq 'buttons')
 237                 {
 238                         my %buttons_release = %{$bot->{buttons} ||= {}};
 239                         for(@{$_}[1..@$_-1])
 240                         {
 241                                 /(.*)\??/ or next;
 242                                 delete $buttons_release{$1};
 243                         }
 244                         for(keys %buttons_release)
 245                         {
 246                                 printf "sv_cmd bot_cmd %d releasekey %s\n", $bot->{id}, $_;
 247                                 delete $bot->{buttons}->{$_};
 248                         }
 249                         for(@{$_}[1..@$_-1])
 250                         {
 251                                 /(.*)(\?)?/ or next;
 252                                 defined $2 and next;
 253                                 printf "sv_cmd bot_cmd %d presskey %s\n", $bot->{id}, $_;
 254                                 $bot->{buttons}->{$_} = 1;
 255                         }
 256                 }
 257                 elsif($_->[0] eq 'cmd')
 258                 {
 259                         printf "sv_cmd bot_cmd %d %s\n", $bot->{id}, join " ", @{$_}[1..@$_-1];
 260                 }
 261                 elsif($_->[0] eq 'raw')
 262                 {
 263                         printf "%s\n", join " ", @{$_}[1..@$_-1];
 264                 }
 265         }
 266
 267         return 1;
 268 }
 269
 270 sub busybot_note_off_bot($$$$)
 271 {
 272         my ($bot, $time, $channel, $note) = @_;
 273         my $cmds = $bot->{notes_off}->{$note - $bot->{transpose} - $transpose};
 274         return 1
 275                 if not defined $cmds; # note off cannot fail
 276         $bot->{busy} = 0;
 277         busybot_cmd_bot_execute $bot, $time + $notetime, @$cmds;
 278         return 1;
 279 }
 280
 281 sub busybot_note_on_bot($$$$$)
 282 {
 283         my ($bot, $time, $channel, $note, $init) = @_;
 284         return -1 # I won't play on this channel
 285                 if defined $bot->{channels} and not $bot->{channels}->{$channel};
 286         return 0
 287                 if $bot->{busy};
 288         my $cmds;
 289         if($channel == 10)
 290         {
 291                 $cmds = $bot->{percussion}->{$note};
 292         }
 293         else
 294         {
 295                 $cmds = $bot->{notes_on}->{$note - $bot->{transpose} - $transpose};
 296                 my $cmds_off = $bot->{notes_off}->{$note - $bot->{transpose} - $transpose};
 297                 if(defined $cmds and defined $cmds_off)
 298                 {
 299                         $bot->{busy} = 1;
 300                 }
 301         }
 302         return -1 # I won't play this note
 303                 if not defined $cmds;
 304         if($init)
 305         {
 306                 return 0
 307                         if not busybot_cmd_bot_test $bot, $time + $notetime, @$cmds;
 308                 busybot_cmd_bot_execute $bot, 0, ['cmd', 'wait', $timeoffset];
 309                 busybot_cmd_bot_execute $bot, 0, ['cmd', 'barrier'];
 310                 busybot_cmd_bot_execute $bot, 0, @{$bot->{init}}
 311                         if @{$bot->{init}};
 312                 busybot_cmd_bot_execute $bot, 0, ['cmd', 'barrier'];
 313                 $bot->{timer} = $bot->{busytimer} = 0;
 314                 busybot_cmd_bot_execute $bot, $time + $notetime, @$cmds;
 315         }
 316         else
 317         {
 318                 return 0
 319                         if not busybot_cmd_bot_test $bot, $time + $notetime, @$cmds;
 320                 busybot_cmd_bot_execute $bot, $time + $notetime, @$cmds;
 321         }
 322         return 1;
 323 }
 324
 325 my $busybots = botconfig_read "midi2cfg-ng.conf";
 326 my @busybots_allocated;
 327 my %notechannelbots;
 328
 329 sub busybot_note_off($$$)
 330 {
 331         my ($time, $channel, $note) = @_;
 332
 333         return 0
 334                 if $channel == 10;
 335
 336         if(my $bot = $notechannelbots{$channel}{$note})
 337         {
 338                 busybot_note_off_bot $bot, $time, $channel, $note;
 339                 delete $notechannelbots{$channel}{$note};
 340                 return 1;
 341         }
 342
 343         return 0;
 344 }
 345
 346 sub busybot_note_on($$$)
 347 {
 348         my ($time, $channel, $note) = @_;
 349
 350         if($notechannelbots{$channel}{$note})
 351         {
 352                 busybot_note_off $time, $channel, $note;
 353         }
 354
 355         my $overflow = 0;
 356
 357         for(unsort @busybots_allocated)
 358         {
 359                 my $canplay = busybot_note_on_bot $_, $time, $channel, $note, 0;
 360                 if($canplay > 0)
 361                 {
 362                         $notechannelbots{$channel}{$note} = $_;
 363                         return 1;
 364                 }
 365                 $overflow = 1
 366                         if $canplay == 0;
 367                 # wrong
 368         }
 369
 370         for(unsort keys %$busybots)
 371         {
 372                 next if $busybots->{$_}->{count} <= 0;
 373                 my $bot = Storable::dclone $busybots->{$_};
 374                 $bot->{id} = @busybots_allocated + 1;
 375                 $bot->{classname} = $_;
 376                 my $canplay = busybot_note_on_bot $bot, $time, $channel, $note, 1;
 377                 if($canplay > 0)
 378                 {
 379                         --$busybots->{$_}->{count};
 380                         $notechannelbots{$channel}{$note} = $bot;
 381                         push @busybots_allocated, $bot;
 382                         return 1;
 383                 }
 384                 $overflow = 1
 385                         if $canplay == 0;
 386         }
 387
 388         if($overflow)
 389         {
 390                 warn "Not enough bots to play this (when playing $channel:$note)";
 391         }
 392         else
 393         {
 394                 warn "Note $channel:$note cannot be played by any bot"
 395         }
 396
 397         return 0;
 398 }
 399
 400 for(@preallocate)
 401 {
 402         die "Cannot preallocate any more $_ bots"
 403                 if $busybots->{$_}->{count} <= 0;
 404         my $bot = Storable::dclone $busybots->{$_};
 405         $bot->{id} = @busybots_allocated + 1;
 406         $bot->{classname} = $_;
 407         busybot_cmd_bot_execute $bot, 0, ['cmd', 'wait', $timeoffset];
 408         busybot_cmd_bot_execute $bot, 0, ['cmd', 'barrier'];
 409         busybot_cmd_bot_execute $bot, 0, @{$bot->{init}}
 410                 if @{$bot->{init}};
 411         busybot_cmd_bot_execute $bot, 0, ['cmd', 'barrier'];
 412         $bot->{timer} = $bot->{busytimer} = 0;
 413         --$busybots->{$_}->{count};
 414         push @busybots_allocated, $bot;
 415 }
 416
 417 my %midinotes = ();
 418 my $note_min = undef;
 419 my $note_max = undef;
 420 my $notes_stuck = 0;
 421 my $t = 0;
 422 for(@allmidievents)
 423 {
 424         $t = tick2sec $_->[1];
 425         my $track = $_->[3];
 426         if($_->[0] eq 'note_on')
 427         {
 428                 my $chan = $_->[4] + 1;
 429                 $note_min = $_->[5]
 430                         if not defined $note_min or $_->[5] < $note_min and $chan != 10;
 431                 $note_max = $_->[5]
 432                         if not defined $note_max or $_->[5] > $note_max and $chan != 10;
 433                 if($midinotes{$chan}{$_->[5]})
 434                 {
 435                         --$notes_stuck;
 436                         busybot_note_off($t, $chan, $_->[5]);
 437                 }
 438                 busybot_note_on($t, $chan, $_->[5]);
 439                 ++$notes_stuck;
 440                 $midinotes{$chan}{$_->[5]} = 1;
 441         }
 442         elsif($_->[0] eq 'note_off')
 443         {
 444                 my $chan = $_->[4] + 1;
 445                 if($midinotes{$chan}{$_->[5]})
 446                 {
 447                         --$notes_stuck;
 448                         busybot_note_off($t, $chan, $_->[5]);
 449                 }
 450                 $midinotes{$chan}{$_->[5]} = 0;
 451         }
 452 }
 453
 454 for(@busybots_allocated)
 455 {
 456         busybot_cmd_bot_execute $_, 0, ['cmd', 'wait', $timeoffset3];
 457         busybot_cmd_bot_execute $_, 0, ['cmd', 'barrier'];
 458         if($_->{done})
 459         {
 460                 busybot_cmd_bot_execute $_, 0, @{$_->{done}};
 461         }
 462         busybot_cmd_bot_execute $_, 0, ['cmd', 'barrier'];
 463         busybot_cmd_bot_execute $_, 0, ['cmd', 'wait', $timeoffset4];
 464 }
 465
 466 print STDERR "Range of notes: $note_min .. $note_max\n";
 467 print STDERR "Safe transpose range: @{[$note_max - 19]} .. @{[$note_min + 13]}\n";
 468 print STDERR "Unsafe transpose range: @{[$note_max - 27]} .. @{[$note_min + 18]}\n";
 469 print STDERR "Stuck notes: $notes_stuck\n";
 470 print STDERR "Bots allocated:\n";
 471 for(@busybots_allocated)
 472 {
 473         print STDERR "$_->{id} is a $_->{classname}\n";
 474 }