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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 1.18 by root, Wed Nov 14 08:09:46 2007 UTC vs.
Revision 1.41 by root, Tue Apr 13 02:39:52 2010 UTC

1#! perl # mandatory 1#! perl # mandatory
2 2
3use Coro::AIO;
4
3cf::map->register (qr{^\?random/([0-9a-f]{32})}); 5cf::map->register (qr{^\?random/([0-9a-f]{32})});
4 6
5sub init { 7sub init {
6 my ($self) = @_; 8 my ($self) = @_;
7 9
8 $self->{random_id} = $1; 10 $self->{random_id} = $1;
9 11
10 if (0 < Coro::AIO::aio_load "$cf::RANDOMDIR/$self->{random_id}.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}";
13 } else { 15 } else {
14 warn "unable to read meta file for $self->{random_id}\n"; 16 warn "unable to read meta file for $self->{random_id}\n";
15 return 0; 17 return 0;
16 } 18 }
… …
52 $self->activate; 54 $self->activate;
53 55
54 1 56 1
55} 57}
56 58
57sub clean_random_maps { 59sub select_random_map {
58 my $files = Coro::AIO::aio_readdir $cf::RANDOMDIR 60 my ($maps, $difficulty) = @_;
59 or return;
60 61
62 # because I am lazy, I ignore the weighting
63
64 my @maps = keys %$maps;
65
66 cf::map::find "/styles/$maps[cf::rmg_rndm scalar @maps]"
67}
68
69# called by the random map generator
70sub find_style_;
71sub find_style_($$$) {
72 my ($path, $difficulty, $recurse) = @_;
73
74 my $map;
75
76 # see if there is a metafile
77 if (0 < aio_load "$cf::MAPDIR/$path.rmg", my $meta) {
78 $meta = cf::decode_json $meta;
79
80 # only "maps" is supported
81 if ($meta->{maps}) {
82 $map = select_random_map $meta->{maps}, $difficulty;
83 }
84 }
85
86 $map = cf::map::find $path
87 unless aio_stat "$cf::MAPDIR/$path.map";
88
89 unless ($map) {
90 # search files and/or dirs
91 if (my ($dirs, $nondirs) = aio_scandir "$cf::MAPDIR/$path/", 1) {
92 my @entries = sort grep s/\.(?:map|rmg)$//, @$nondirs;
93
94 if ($difficulty < 0) {
95 # pick a fully random map, but only a map, do not recurse
96 $map = cf::map::find "$path/$entries[cf::rmg_rndm scalar @entries]"
97 if @entries;
98 } else {
99 # pick a map with nearest difficulty value ("mapname_<difficulty>.map")
100 @entries = sort @$dirs
101 unless @entries || !$recurse;
102
103 my $min_diff = 1e99;
104
105 for my $name (@entries) {
106 if ($name =~ /_(\d+)$/) {
107 my $diff = abs $difficulty - $1 + 0.25 + 0.25 * cf::rmg_rndm; # prefer the more difficult version
108 ($map, $min_diff) = ($name, $diff) if $diff < $min_diff;
109 }
110 }
111
112 unless ($map) {
113 # no map with given pattern found, choose a random map
114 $map = $entries[cf::rmg_rndm scalar @entries];
115 }
116
117 $map = find_style_ "$path/$map", $difficulty
118 if $map;
119 }
120 }
121 }
122
123 $map
124}
125
126sub find_style($$$$) {
127 my ($dir, $name, $difficulty, $recurse) = @_;
128
129 cf::cede_to_tick;
130
131 my $map;
132
133 if ($name) {
134 $map = find_style_ "$dir/$name", $difficulty, $recurse;
135 } else {
136 $map = (find_style_ "$dir/default", $difficulty, $recurse)
137 || (find_style_ $dir, $difficulty, $recurse);
138 }
139
140 if ($map) {
141 $map->load;
142 $map->deactivate;
143 }
144
145 #warn "return $dir,$name,$difficulty => $map\n" if $difficulty >= 0;#d#
146 $map
147}
148
149cf::async_ext {
150 eCoro::current->{desc} = "random map meta file cleaner";
151 $Coro::current->nice (1);
152
153 while () {
61 my $META_TIMEOUT = $cf::CFG{map_random_meta_timeout} || 86400 * 7; 154 my $META_TIMEOUT = $cf::CFG{map_random_meta_timeout} || 86400 * 7;
62 155
156 Coro::AnyEvent::idle_upto $META_TIMEOUT / 10 * 2;
157
158 my ($files) = Coro::AIO::aio_readdirx $cf::RANDOMDIR, IO::AIO::READDIR_STAT_ORDER
159 or return;
160
63 for my $file (@$files) { 161 for my $file (@$files) {
64 next unless $file =~ /\.meta$/; 162 next unless $file =~ /\.meta$/;
65 163
66 Coro::AIO::aio_stat "$cf::RANDOMDIR/$file" 164 Coro::AIO::aio_stat "$cf::RANDOMDIR/$file"
67 and next; 165 and next;
68 166
69 my $age = $cf::NOW - (stat _)[8]; 167 my $age = $cf::NOW - (stat _)[8];
70 168
71 if ($age > $META_TIMEOUT) { 169 if ($age > $META_TIMEOUT) {
72 warn "resetting random meta data for $file"; 170 warn "resetting random meta data for $file";
73 IO::AIO::aio_unlink "$cf::RANDOMDIR/$file"; 171 IO::AIO::aio_unlink "$cf::RANDOMDIR/$file";
74 } 172 }
75 } 173 }
76}
77 174
78# clean up old temp maps regularly 175 Coro::AnyEvent::sleep $META_TIMEOUT / 10;
79our $CLEAN_RANDOM_MAPS = cf::periodic 3600, Coro::unblock_sub { 176 }
80 clean_random_maps;
81}; 177};
82 178
83# map generator stresstest, never enable under normal circumstances 179# map generator stresstest, NEVER enable under normal circumstances
84if (0) { 180if ($ENV{STRESSTEST}) {
85 cf::async { 181 cf::async {
86 my $seed = 0; 182 my $seed = 0;
87 while () { 183 while () {
88 my $map = cf::map::new; 184 my $map = cf::map::new;
89 $map->generate_random_map ({ 185 $map->generate_random_map ({
90 region => "scorn", 186 region => "scorn",
91 random_seed => $seed++, 187 random_seed => $seed++,
92 xsize => 12, 188 xsize => (int rand 100) + 1,
93 ysize => 12, 189 ysize => (int rand 100) + 1,
94 }); 190 });
95 warn sprintf "%d: %d %d\n", $seed, $map->width, $map->height;#d# 191 warn sprintf "%d: %dx%d o# %d\n", $seed, $map->width, $map->height, &cf::object::objects_size;#d#
96 $map->destroy; 192 $map->destroy;
97 } 193 }
98 }; 194 };
99} 195}
100 196
197# prefetch test, load some ocean-maps
198if (0) {
199 cf::async {
200 # 0.58
201 Coro::Timer::sleep 2;
202 for my $x (200..219) {
203 for my $y (200..219) {
204 (cf::map::find "/world/world_$x\_$y")->load;
205 }
206 }
207 };
208}
209
210# save test
211if (0) {
212 cf::async {
213 # 0.080
214 Coro::Timer::sleep 2;
215 my $map = cf::map::find "/mlab/citydeclouds2";
216 $map->load_header;
217 $map->load;
218 $map->post_load_original;
219 my $m=100;
220 for (1..50) {
221 my $t=AE::time;
222 $map->_save_objects ("/tmp/x", cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
223 $t = AE::time-$t;
224 $m=$t if $m>$t;
225 warn $m;
226 }
227 };
228}
229
1011 2301
102 231

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