| 1 |
#! perl # mandatory |
| 2 |
|
| 3 |
# the setup command |
| 4 |
|
| 5 |
use JSON::XS (); |
| 6 |
use List::Util qw(min max); |
| 7 |
|
| 8 |
sub send_capabilities { |
| 9 |
my ($ns) = @_; |
| 10 |
|
| 11 |
return unless $ns->extcmd; |
| 12 |
|
| 13 |
$ns->ext_msg (capabilities => |
| 14 |
# id, name, flags (1 == 2d), edge length |
| 15 |
tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32], [2, "default text faceset", 2, 1]], |
| 16 |
); |
| 17 |
} |
| 18 |
|
| 19 |
sub do_setup { |
| 20 |
my ($ns, $setup) = @_; |
| 21 |
|
| 22 |
my %orig = %$setup; |
| 23 |
|
| 24 |
while (my ($k, $v) = each %$setup) { |
| 25 |
if ($k eq "sound") { |
| 26 |
$ns->sound ($v); |
| 27 |
|
| 28 |
} elsif ($k eq "spellmon") { |
| 29 |
$ns->monitor_spells ($v); |
| 30 |
|
| 31 |
} elsif ($k eq "mapinfocmd") { |
| 32 |
$ns->mapinfocmd ($v); |
| 33 |
|
| 34 |
} elsif ($k eq "extcmd") { |
| 35 |
$ns->extcmd (min 2, $v); |
| 36 |
send_capabilities $ns; |
| 37 |
|
| 38 |
} elsif ($k eq "faceset") { |
| 39 |
$ns->faceset (0); |
| 40 |
$setup->{$k} = 0; |
| 41 |
# $ns->image2 (1) |
| 42 |
|
| 43 |
} elsif ($k eq "tileset") { |
| 44 |
$setup->{$k} = $ns->faceset (int cf::clamp $v, 0, 2); |
| 45 |
|
| 46 |
} elsif ($k eq "itemcmd") { |
| 47 |
# Version of the item protocol command to use. Currently, |
| 48 |
# only supported versions are 1 and 2. Using a numeric |
| 49 |
# value will make it very easy to extend this in the future. |
| 50 |
$ns->itemcmd ($v) if $v >= 1 && $v <= 2; |
| 51 |
|
| 52 |
$setup->{$k} = $ns->itemcmd; |
| 53 |
|
| 54 |
} elsif ($k eq "mapsize") { |
| 55 |
my ($x, $y) = split /x/, $v; |
| 56 |
|
| 57 |
# we *need* to make sure we use an odd map size, as the remaining |
| 58 |
# code relies on this. |
| 59 |
$ns->mapx ($x = max 9, min +(cf::MAP_CLIENT_X - 1) | 1, ($x - 1) | 1); |
| 60 |
$ns->mapy ($y = max 9, min +(cf::MAP_CLIENT_Y - 1) | 1, ($y - 1) | 1); |
| 61 |
|
| 62 |
$setup->{$k} = "${x}x${y}"; |
| 63 |
|
| 64 |
} elsif ($k eq "extendedTextInfos") { |
| 65 |
$ns->has_readable_type ($v); |
| 66 |
|
| 67 |
} elsif ($k eq "smoothing") { # cfplus-style smoothing |
| 68 |
$ns->smoothing ($v); |
| 69 |
|
| 70 |
} elsif ($k eq "widget") { |
| 71 |
# server-side widgets |
| 72 |
$v = $v > 1; |
| 73 |
$ns->{can_widget} = $v; |
| 74 |
$ns->fx_want (6 => 1); # need support for RSRC |
| 75 |
$setup->{$k} = $v ? 2 : 0; |
| 76 |
|
| 77 |
} elsif ($k eq "lzf") { |
| 78 |
# the lzf packet simply contains an lzf-compressed packet as argument |
| 79 |
$ns->{can_lzf} = $v == 1; |
| 80 |
|
| 81 |
} elsif ($k eq "frag") { |
| 82 |
# the frag packet contains data which gets appended to the existing packet buffer. |
| 83 |
# empty frag packet means end of packet. |
| 84 |
$ns->{can_frag} = $v == 1; |
| 85 |
|
| 86 |
} elsif ($k eq "excmd") { |
| 87 |
# we support it |
| 88 |
|
| 89 |
} else { |
| 90 |
# other commands: |
| 91 |
# sexp: no idea, probably for oudated servers |
| 92 |
# tick: more stupidity, server should send a tick per tick |
| 93 |
|
| 94 |
$setup->{$k} = "FALSE"; |
| 95 |
} |
| 96 |
} |
| 97 |
|
| 98 |
# force some mandatory protocol options, most of these |
| 99 |
# are for obsolete clients only |
| 100 |
$setup->{darkness} = 1; |
| 101 |
$setup->{exp64} = 1; |
| 102 |
$setup->{extmap} = 1; |
| 103 |
$setup->{facecache} = 1; |
| 104 |
$setup->{fxix} = 3; |
| 105 |
$setup->{map1acmd} = 1; |
| 106 |
$setup->{map1cmd} = 0; |
| 107 |
$setup->{msg} = 1; |
| 108 |
|
| 109 |
cf::datalog setup => |
| 110 |
request => \%orig, |
| 111 |
reply => $setup, |
| 112 |
; |
| 113 |
} |
| 114 |
|
| 115 |
cf::client->attach (on_setup => sub { |
| 116 |
my ($ns, $args) = @_; |
| 117 |
|
| 118 |
# run through the cmds of setup |
| 119 |
# syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ... |
| 120 |
# or setup json-object |
| 121 |
# |
| 122 |
# we send the status of the cmd back, or a FALSE is the cmd if the server unknown |
| 123 |
# the client then must sort this out |
| 124 |
|
| 125 |
if ($args =~ /^\s*\{/) { |
| 126 |
my $setup = eval { JSON::XS::decode_json $args } || {}; |
| 127 |
do_setup $ns, $setup; |
| 128 |
$ns->send_packet ("setup " . JSON::XS::encode_json $setup); |
| 129 |
} else { |
| 130 |
my %setup = split / +/, $args; |
| 131 |
do_setup $ns, \%setup; |
| 132 |
$ns->send_packet (join " ", setup => %setup); |
| 133 |
} |
| 134 |
}); |
| 135 |
|
