1 | #! perl # mandatory |
1 | #! perl # mandatory |
2 | |
2 | |
3 | # this extension provides "environmental effects", |
3 | # this extension provides "environmental effects", |
4 | # meaning mostly background music and region messages right now. |
4 | # meaning mostly background music and region messages right now. |
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5 | |
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6 | our %MUSIC_GROUP; |
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7 | our %MUSIC_FACE_CACHE; # cleared by reload_facedata |
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8 | |
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9 | sub reload { |
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10 | cf::trace "loading music config from $DATADIR/music\n"; |
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11 | |
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12 | 0 < Coro::AIO::aio_load "$DATADIR/music", my $data |
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13 | or die "$DATADIR/music $!"; |
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14 | |
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15 | my $conf = JSON::XS->new->utf8->relaxed->decode ($data); |
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16 | %MUSIC_GROUP = %{ $conf->{group} }; |
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17 | %MUSIC_FACE_CACHE = (); |
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18 | } |
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19 | |
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20 | cf::post_init { |
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21 | $_[0] ? cf::async { reload } : reload |
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22 | }; |
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23 | |
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24 | sub parse_musiclist($) { |
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25 | my ($list) = @_; |
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26 | |
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27 | return undef |
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28 | unless defined $list; |
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29 | |
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30 | my @name = split /\s*,\s*/, $list; |
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31 | my @face; |
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32 | |
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33 | while (@name) { |
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34 | my $name = shift @name; |
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35 | |
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36 | if ($name =~ /^\@(.*)$/) { |
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37 | my $group = $MUSIC_GROUP{$1} |
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38 | or cf::error "music group $1 does not exist (referenced in '$list')"; |
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39 | |
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40 | unshift @name, @$group; |
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41 | } else { |
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42 | my $face = cf::face::find "music/$name" |
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43 | or "unable to find music face $name (referenced in '$list')"; |
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44 | |
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45 | push @face, $face |
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46 | if $face; |
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47 | } |
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48 | } |
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49 | |
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50 | # sort by size, smallest first, because it'S the fastest to download... |
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51 | [ sort { (cf::face::get_data_size $a) <=> (cf::face::get_data_size $b) } @face ] |
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52 | } |
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53 | |
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54 | our %MUSIC_QUEUE; |
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55 | |
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56 | our $MUSIC_SCHEDULER = cf::async_ext { |
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57 | $Coro::current->{desc} = "music scheduler"; |
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58 | |
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59 | while () { |
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60 | for (keys %MUSIC_QUEUE) { |
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61 | delete $MUSIC_QUEUE{$_}; |
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62 | |
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63 | cf::get_slot 0.01, -10, "music scheduler"; |
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64 | |
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65 | my $pl = cf::player::find_active $_ or next; |
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66 | $pl->ob->active or next; |
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67 | my $ns = $pl->ns or next; |
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68 | $ns->extcmd or next; |
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69 | my $map = $pl->ob->map or next; |
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70 | |
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71 | my $faces = delete $ns->{music_play_once}; |
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72 | $faces ||= $MUSIC_FACE_CACHE{$map} ||= do { |
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73 | # 1. map-specific music info |
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74 | parse_musiclist $map->{music} |
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75 | or do { |
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76 | # 2. fall back to region if no map-specific music |
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77 | my $rgn = $pl->ob->region |
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78 | or next; |
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79 | |
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80 | my $par = $rgn; |
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81 | while () { |
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82 | last if exists $par->{music}; |
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83 | $par = $par->parent |
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84 | or last; |
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85 | } |
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86 | |
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87 | parse_musiclist $par->{music} |
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88 | } |
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89 | ; |
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90 | }; |
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91 | |
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92 | $faces |
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93 | or next; |
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94 | |
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95 | my $facestr = join ",", @$faces; |
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96 | $ns->{current_music_faces} ne $facestr |
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97 | or next; |
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98 | |
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99 | $ns->{current_music_faces} = $facestr; |
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100 | |
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101 | my $pri = 0; |
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102 | $ns->send_face ($_, --$pri - 110) |
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103 | for @$faces; |
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104 | $ns->flush_fx; |
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105 | |
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106 | $ns->ext_msg (ambient_music => $faces); |
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107 | } |
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108 | Coro::schedule unless %MUSIC_QUEUE; |
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109 | } |
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110 | }; |
5 | |
111 | |
6 | cf::player->attach ( |
112 | cf::player->attach ( |
7 | on_region_change => sub { |
113 | on_region_change => sub { |
8 | my ($pl, $new, $old) = @_; |
114 | my ($pl, $new, $old) = @_; |
9 | |
115 | |
10 | $pl->ob->message ("You are now " . $new->longname . ". H<Use whereami for more details.>", $new->longname); |
116 | $pl->ob->message ("You are now " . $new->longname . ". H<Use whereami for more details.>", $new->longname); |
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117 | |
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118 | undef $MUSIC_QUEUE{$pl->ob->name}; |
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119 | $MUSIC_SCHEDULER->ready; |
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120 | }, |
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121 | on_map_change => sub { |
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122 | my ($pl, $new) = @_; |
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123 | |
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124 | undef $MUSIC_QUEUE{$pl->ob->name}; |
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125 | $MUSIC_SCHEDULER->ready; |
11 | }, |
126 | }, |
12 | ); |
127 | ); |
13 | |
128 | |
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129 | sub play_music_once { |
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130 | my ($pl, $music) = @_; |
14 | |
131 | |
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132 | $pl->ns->{music_play_once} = parse_musiclist $music; |
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133 | |
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134 | undef $MUSIC_QUEUE{$pl->ob->name}; |
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135 | $MUSIC_SCHEDULER->ready; |
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136 | } |
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137 | |