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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 1.47 by root, Fri Feb 3 03:01:45 2012 UTC

1#! perl 1#! perl # mandatory
2 2
3use base "cf::path"; 3use Coro::AIO;
4 4
5__PACKAGE__->register ("random"); 5CONF META_TIMEOUT : map_random_meta_timeout = 86400 * 7;
6
7cf::map->register (qr{^\?random/([0-9a-f]{32})});
6 8
7sub init { 9sub init {
8 my ($self) = @_; 10 my ($self) = @_;
9 11
12 $self->{random_id} = $1;
13
10 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$self->{path}.meta", my $data; 14 if (0 < Coro::AIO::aio_load "$cf::RANDOMDIR/$self->{random_id}.meta", my $data) {
11 $self->{random} = cf::from_json $data; 15 $self->{random} = cf::decode_json $data;
16 $self->{random}{custom} ||= "$self->{random}{origin_map}+$self->{random}{origin_x}+$self->{random}{origin_y}";
17 } else {
18 cf::info "unable to read meta file for $self->{random_id}\n";
19 return 0;
20 }
21
22 1
23}
24
25sub thawer_merge {
26 # we have to keep some variables in memory intact
27 local $_[0]{random_id};
28 local $_[0]{random};
29
30 $_[0]->SUPER::thawer_merge ($_[1]);
12} 31}
13 32
14sub visible_name { 33sub visible_name {
15 my ($self) = @_; 34 my ($self) = @_;
16 35
17# if (my $rmp = $self->{random}) { 36 my $rmp = $self->{random};
18# # todo: be more intelligent about this 37 "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 $self->as_string
22# }
23} 38}
24 39
25sub save_path { 40sub save_path {
26 my ($self) = @_; 41 my ($self) = @_;
27 42
28 sprintf "%s/%s", $RANDOM_MAPS, $self->{path} 43 sprintf "%s/%s.map", $cf::RANDOMDIR, $self->{random_id}
29} 44}
30 45
31sub uniq_path { 46sub uniq_path {
32 undef 47 undef
33} 48}
34 49
35sub load_orig { 50sub load_header_orig {
36 my ($self) = @_; 51 my ($self) = @_;
37 52
53 return unless $self->{random};
54
38 cf::map::generate_random_map "$self", $self->{random} 55 $self->generate_random_map ($self->{random});
39} 56 $self->activate;
40 57
411 58 1
59}
42 60
61sub select_random_map {
62 my ($maps, $difficulty) = @_;
63
64 # because I am lazy, I ignore the weighting
65
66 my @maps = keys %$maps;
67
68 cf::map::find "/styles/$maps[cf::rmg_rndm scalar @maps]"
69}
70
71# called by the random map generator
72sub find_style_;
73sub find_style_($$$) {
74 my ($path, $difficulty, $recurse) = @_;
75
76 my $map;
77
78 # see if there is a metafile
79 if (0 < aio_load "$cf::MAPDIR/$path.rmg", my $meta) {
80 $meta = cf::decode_json $meta;
81
82 # only "maps" is supported
83 if ($meta->{maps}) {
84 $map = select_random_map $meta->{maps}, $difficulty;
85 }
86 }
87
88 $map = cf::map::find $path
89 unless aio_stat "$cf::MAPDIR/$path.map";
90
91 unless ($map) {
92 # search files and/or dirs
93 if (my ($dirs, $nondirs) = aio_scandir "$cf::MAPDIR/$path/", 1) {
94 my @entries = sort grep s/\.(?:map|rmg)$//, @$nondirs;
95
96 if ($difficulty < 0) {
97 # pick a fully random map, but only a map, do not recurse
98 $map = cf::map::find "$path/$entries[cf::rmg_rndm scalar @entries]"
99 if @entries;
100 } else {
101 # pick a map with nearest difficulty value ("mapname_<difficulty>.map")
102 @entries = sort @$dirs
103 unless @entries || !$recurse;
104
105 my $min_diff = 1e99;
106
107 for my $name (@entries) {
108 if ($name =~ /_(\d+)$/) {
109 my $diff = abs $difficulty - $1 + 0.25 + 0.25 * cf::rmg_rndm; # prefer the more difficult version
110 ($map, $min_diff) = ($name, $diff) if $diff < $min_diff;
111 }
112 }
113
114 unless ($map) {
115 # no map with given pattern found, choose a random map
116 $map = $entries[cf::rmg_rndm scalar @entries];
117 }
118
119 $map = find_style_ "$path/$map", $difficulty
120 if $map;
121 }
122 }
123 }
124
125 $map
126}
127
128sub find_style($$$$) {
129 my ($dir, $name, $difficulty, $recurse) = @_;
130
131 cf::cede_to_tick;
132
133 my $map;
134
135 if ($name) {
136 $map = find_style_ "$dir/$name", $difficulty, $recurse;
137 } else {
138 $map = (find_style_ "$dir/default", $difficulty, $recurse)
139 || (find_style_ $dir, $difficulty, $recurse);
140 }
141
142 if ($map) {
143 $map->load;
144 $map->deactivate;
145 }
146
147 #warn "return $dir,$name,$difficulty => $map\n" if $difficulty >= 0;#d#
148 $map
149}
150
151cf::async_ext {
152 local $Coro::current->{desc} = "random map meta file cleaner";
153 $Coro::current->nice (1);
154
155 while () {
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
161 for my $file (@$files) {
162 next unless $file =~ /\.meta$/;
163
164 Coro::AIO::aio_stat "$cf::RANDOMDIR/$file"
165 and next;
166
167 my $age = $cf::NOW - (stat _)[8];
168
169 if ($age > $META_TIMEOUT) {
170 cf::trace "resetting random meta data for $file";
171 IO::AIO::aio_unlink "$cf::RANDOMDIR/$file";
172 }
173 }
174
175 Coro::AnyEvent::sleep $META_TIMEOUT / 10;
176 }
177};
178
179# map generator stresstest, NEVER enable under normal circumstances
180if ($ENV{STRESSTEST}) {
181 cf::async {
182 my $seed = 0;
183 while () {
184 my $map = cf::map::new;
185 $map->generate_random_map ({
186 region => "scorn",
187 random_seed => $seed++,
188 xsize => (cf::rndm 1, 100),
189 ysize => (cf::rndm 1, 100),
190 });
191 warn sprintf "%d: %dx%d o# %d\n", $seed, $map->width, $map->height, &cf::object::objects_size;#d#
192 $map->destroy;
193 }
194 };
195}
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

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