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/cvs/deliantra/server/ext/map-random.ext
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Comparing deliantra/server/ext/map-random.ext (file contents):
Revision 1.1 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.26 by root, Sun May 4 14:12:37 2008 UTC

1#! perl 1#! perl # mandatory
2 2
3use base "cf::path"; 3use Coro::AIO;
4 4
5__PACKAGE__->register ("random"); 5cf::map->register (qr{^\?random/([0-9a-f]{32})});
6 6
7sub init { 7sub init {
8 my ($self) = @_; 8 my ($self) = @_;
9 9
10 $self->{random_id} = $1;
11
10 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$self->{path}.meta", my $data; 12 if (0 < Coro::AIO::aio_load "$cf::RANDOMDIR/$self->{random_id}.meta", my $data) {
11 $self->{random} = cf::from_json $data; 13 $self->{random} = cf::decode_json $data;
14 $self->{random}{custom} ||= "$self->{random}{origin_map}+$self->{random}{origin_x}+$self->{random}{origin_y}";
15 } else {
16 warn "unable to read meta file for $self->{random_id}\n";
17 return 0;
18 }
19
20 1
21}
22
23sub thawer_merge {
24 # we have to keep some variables in memory intact
25 local $_[0]{random_id};
26 local $_[0]{random};
27
28 $_[0]->SUPER::thawer_merge ($_[1]);
12} 29}
13 30
14sub visible_name { 31sub visible_name {
15 my ($self) = @_; 32 my ($self) = @_;
16 33
17# if (my $rmp = $self->{random}) { 34 my $rmp = $self->{random};
18# # todo: be more intelligent about this 35 "random map at $rmp->{custom}, level $rmp->{dungeon_level}"
19# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
20# } else {
21 $self->as_string
22# }
23} 36}
24 37
25sub save_path { 38sub save_path {
26 my ($self) = @_; 39 my ($self) = @_;
27 40
28 sprintf "%s/%s", $RANDOM_MAPS, $self->{path} 41 sprintf "%s/%s.map", $cf::RANDOMDIR, $self->{random_id}
29} 42}
30 43
31sub uniq_path { 44sub uniq_path {
32 undef 45 undef
33} 46}
34 47
35sub load_orig { 48sub load_header_orig {
36 my ($self) = @_; 49 my ($self) = @_;
37 50
51 return unless $self->{random};
52
38 cf::map::generate_random_map "$self", $self->{random} 53 $self->generate_random_map ($self->{random});
54 $self->activate;
55
56 1
57}
58
59sub clean_random_maps {
60 my $files = Coro::AIO::aio_readdir $cf::RANDOMDIR
61 or return;
62
63 my $META_TIMEOUT = $cf::CFG{map_random_meta_timeout} || 86400 * 7;
64
65 for my $file (@$files) {
66 next unless $file =~ /\.meta$/;
67
68 Coro::AIO::aio_stat "$cf::RANDOMDIR/$file"
69 and next;
70
71 my $age = $cf::NOW - (stat _)[8];
72
73 if ($age > $META_TIMEOUT) {
74 warn "resetting random meta data for $file";
75 IO::AIO::aio_unlink "$cf::RANDOMDIR/$file";
76 }
77 }
78}
79
80# called by the random map generator
81sub find_style_;
82sub find_style_($$) {
83 my ($path, $difficulty) = @_;
84
85 my $mapdir = cf::datadir . "/" . cf::mapdir;
86
87 my $map;
88
89 $map = cf::map::find $path
90 unless aio_stat "$mapdir/$path.map";
91
92 unless ($map) {
93 # search files and/or dirs
94 if (my ($dirs, $nondirs) = aio_scandir "$mapdir/$path/", 1) {
95 my @entries = sort grep s/\.map$//, @$nondirs;
96
97 if ($difficulty < 0) {
98 # pick a fully random map, but only a map, do not recurse
99 $map = cf::map::find "$path/$entries[cf::rmg_rndm scalar @entries]"
100 if @entries;
101 } else {
102 # pick a map with nearest difficulty value ("mapname_<difficulty>.map")
103 @entries = sort @$dirs
104 unless @entries;
105
106 my $min_diff = 1e99;
107
108 for my $name (@entries) {
109 if ($name =~ /_(\d+)$/) {
110 my $diff = abs $difficulty - $1 + 0.5; # prefer the more difficult version
111 ($map, $min_diff) = ($name, $diff) if $diff < $min_diff;
112 }
113 }
114
115 unless ($map) {
116 # no map with given pattern found, choose a random map
117 $map = $entries[cf::rmg_rndm scalar @entries];
118 }
119
120 $map = find_style_ "$path/$map", $difficulty
121 if $map;
122 }
123 }
124 }
125
126 $map
127}
128
129sub find_style($$$) {
130 my ($dir, $name, $difficulty) = @_;
131
132 cf::cede_to_tick;
133
134 my $map = find_style_ $name ? "$dir/$name" : $dir, $difficulty;
135
136 if ($map) {
137 $map->load;
138 $map->deactivate;
139 }
140
141 warn "return $dir,$name,$difficulty => $map\n" if $difficulty >= 0;#d#
142 $map
143}
144
145# clean up old temp maps regularly
146our $CLEAN_RANDOM_MAPS = cf::periodic 3600, Coro::unblock_sub {
147 clean_random_maps;
148};
149
150# map generator stresstest, NEVER enable under normal circumstances
151if (0) {
152 cf::async {
153 my $seed = 0;
154 while () {
155 my $map = cf::map::new;
156 $map->generate_random_map ({
157 region => "scorn",
158 random_seed => $seed++,
159 xsize => (int rand 90) + 3,
160 ysize => (int rand 90) + 3,
161 });
162# warn sprintf "%d: %d %d\n", $seed, $map->width, $map->height;#d#
163 $map->destroy;
164 }
165 };
166}
167
168# prefetch test, load some ocean-maps
169if (0) {
170 cf::async {
171 # 0.58
172 Coro::Timer::sleep 2;
173 for my $x (200..219) {
174 for my $y (200..219) {
175 (cf::map::find "/world/world_$x\_$y")->load;
176 }
177 }
178 };
39} 179}
40 180
411 1811
42 182

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