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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 1.2 by root, Thu Jan 11 00:41:08 2007 UTC vs.
Revision 1.34 by root, Fri Nov 6 17:41:09 2009 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;
12 $self->{random}{custom} ||= "$self->{random}{origin_map}+$self->{random}{origin_x}+$self->{random}{origin_y}"; 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]);
13} 29}
14 30
15sub visible_name { 31sub visible_name {
16 my ($self) = @_; 32 my ($self) = @_;
17 33
18 my $rmp = $self->{random}; 34 my $rmp = $self->{random};
19 "random map at $rmp->{custom} level $rmp->{dungeon_level}" 35 "random map at $rmp->{custom}, level $rmp->{dungeon_level}"
20} 36}
21 37
22sub save_path { 38sub save_path {
23 my ($self) = @_; 39 my ($self) = @_;
24 40
25 sprintf "%s/%s", $RANDOM_MAPS, $self->{path} 41 sprintf "%s/%s.map", $cf::RANDOMDIR, $self->{random_id}
26} 42}
27 43
28sub uniq_path { 44sub uniq_path {
29 undef 45 undef
30} 46}
31 47
32sub load_orig { 48sub load_header_orig {
33 my ($self) = @_; 49 my ($self) = @_;
34 50
51 return unless $self->{random};
52
35 cf::map::generate_random_map "$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_readdirx $cf::RANDOMDIR, IO::AIO::READDIR_STAT_ORDER
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_($$) {
83 my ($path, $difficulty) = @_;
84
85 my $map;
86
87 $map = cf::map::find $path
88 unless aio_stat "$cf::MAPDIR/$path.map";
89
90 unless ($map) {
91 # search files and/or dirs
92 if (my ($dirs, $nondirs) = aio_scandir "$cf::MAPDIR/$path/", 1) {
93 my @entries = sort grep s/\.map$//, @$nondirs;
94
95 if ($difficulty < 0) {
96 # pick a fully random map, but only a map, do not recurse
97 $map = cf::map::find "$path/$entries[cf::rmg_rndm scalar @entries]"
98 if @entries;
99 } else {
100 # pick a map with nearest difficulty value ("mapname_<difficulty>.map")
101 @entries = sort @$dirs
102 unless @entries;
103
104 my $min_diff = 1e99;
105
106 for my $name (@entries) {
107 if ($name =~ /_(\d+)$/) {
108 my $diff = abs $difficulty - $1 + 0.5; # prefer the more difficult version
109 ($map, $min_diff) = ($name, $diff) if $diff < $min_diff;
110 }
111 }
112
113 unless ($map) {
114 # no map with given pattern found, choose a random map
115 $map = $entries[cf::rmg_rndm scalar @entries];
116 }
117
118 $map = find_style_ "$path/$map", $difficulty
119 if $map;
120 }
121 }
122 }
123
124 $map
125}
126
127sub find_style($$$) {
128 my ($dir, $name, $difficulty) = @_;
129
130 cf::cede_to_tick;
131
132 my $map = find_style_ $name ? "$dir/$name" : $dir, $difficulty;
133
134 if ($map) {
135 $map->load;
136 $map->deactivate;
137 }
138
139 #warn "return $dir,$name,$difficulty => $map\n" if $difficulty >= 0;#d#
140 $map
141}
142
143# clean up old temp maps regularly
144our $CLEAN_RANDOM_MAPS = cf::periodic 3600, Coro::unblock_sub {
145 clean_random_maps;
146};
147
148# map generator stresstest, NEVER enable under normal circumstances
149if ($ENV{STRESSTEST}) {
150 cf::async {
151 my $seed = 0;
152 while () {
153 my $map = cf::map::new;
154 $map->generate_random_map ({
155 region => "scorn",
156 random_seed => $seed++,
157 xsize => (int rand 100) + 1,
158 ysize => (int rand 100) + 1,
159 });
160 warn sprintf "%d: %dx%d o# %d\n", $seed, $map->width, $map->height, &cf::object::objects_size;#d#
161 $map->destroy;
162 }
163 };
164}
165
166# prefetch test, load some ocean-maps
167if (0) {
168 cf::async {
169 # 0.58
170 Coro::Timer::sleep 2;
171 for my $x (200..219) {
172 for my $y (200..219) {
173 (cf::map::find "/world/world_$x\_$y")->load;
174 }
175 }
176 };
36} 177}
37 178
381 1791
39 180

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