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/cvs/deliantra/server/ext/map-random.ext
Revision: 1.38
Committed: Fri Mar 26 00:26:48 2010 UTC (14 years, 2 months ago) by root
Branch: MAIN
Changes since 1.37: +28 -24 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #! perl # mandatory
2
3 use Coro::AIO;
4
5 cf::map->register (qr{^\?random/([0-9a-f]{32})});
6
7 sub init {
8 my ($self) = @_;
9
10 $self->{random_id} = $1;
11
12 if (0 < Coro::AIO::aio_load "$cf::RANDOMDIR/$self->{random_id}.meta", my $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
23 sub 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]);
29 }
30
31 sub visible_name {
32 my ($self) = @_;
33
34 my $rmp = $self->{random};
35 "random map at $rmp->{custom}, level $rmp->{dungeon_level}"
36 }
37
38 sub save_path {
39 my ($self) = @_;
40
41 sprintf "%s/%s.map", $cf::RANDOMDIR, $self->{random_id}
42 }
43
44 sub uniq_path {
45 undef
46 }
47
48 sub load_header_orig {
49 my ($self) = @_;
50
51 return unless $self->{random};
52
53 $self->generate_random_map ($self->{random});
54 $self->activate;
55
56 1
57 }
58
59 # called by the random map generator
60 sub find_style_;
61 sub find_style_($$) {
62 my ($path, $difficulty) = @_;
63
64 my $map;
65
66 $map = cf::map::find $path
67 unless aio_stat "$cf::MAPDIR/$path.map";
68
69 unless ($map) {
70 # search files and/or dirs
71 if (my ($dirs, $nondirs) = aio_scandir "$cf::MAPDIR/$path/", 1) {
72 my @entries = sort grep s/\.map$//, @$nondirs;
73
74 if ($difficulty < 0) {
75 # pick a fully random map, but only a map, do not recurse
76 $map = cf::map::find "$path/$entries[cf::rmg_rndm scalar @entries]"
77 if @entries;
78 } else {
79 # pick a map with nearest difficulty value ("mapname_<difficulty>.map")
80 @entries = sort @$dirs
81 unless @entries;
82
83 my $min_diff = 1e99;
84
85 for my $name (@entries) {
86 if ($name =~ /_(\d+)$/) {
87 my $diff = abs $difficulty - $1 + 0.5; # prefer the more difficult version
88 ($map, $min_diff) = ($name, $diff) if $diff < $min_diff;
89 }
90 }
91
92 unless ($map) {
93 # no map with given pattern found, choose a random map
94 $map = $entries[cf::rmg_rndm scalar @entries];
95 }
96
97 $map = find_style_ "$path/$map", $difficulty
98 if $map;
99 }
100 }
101 }
102
103 $map
104 }
105
106 sub find_style($$$) {
107 my ($dir, $name, $difficulty) = @_;
108
109 cf::cede_to_tick;
110
111 my $map = find_style_ $name ? "$dir/$name" : $dir, $difficulty;
112
113 if ($map) {
114 $map->load;
115 $map->deactivate;
116 }
117
118 #warn "return $dir,$name,$difficulty => $map\n" if $difficulty >= 0;#d#
119 $map
120 }
121
122 cf::async_ext {
123 $Coro::current->{desc} = "random map meta file cleaner";
124 $Coro::current->nice (1);
125
126 while () {
127 my $META_TIMEOUT = $cf::CFG{map_random_meta_timeout} || 86400 * 7;
128
129 Coro::AnyEvent::idle_upto $META_TIMEOUT / 10 * 2;
130
131 my ($files) = Coro::AIO::aio_readdirx $cf::RANDOMDIR, IO::AIO::READDIR_STAT_ORDER
132 or return;
133
134 for my $file (@$files) {
135 next unless $file =~ /\.meta$/;
136
137 Coro::AIO::aio_stat "$cf::RANDOMDIR/$file"
138 and next;
139
140 my $age = $cf::NOW - (stat _)[8];
141
142 if ($age > $META_TIMEOUT) {
143 warn "resetting random meta data for $file";
144 IO::AIO::aio_unlink "$cf::RANDOMDIR/$file";
145 }
146 }
147
148 Coro::AnyEvent::sleep $META_TIMEOUT / 10;
149 }
150 };
151
152 # map generator stresstest, NEVER enable under normal circumstances
153 if ($ENV{STRESSTEST}) {
154 cf::async {
155 my $seed = 0;
156 while () {
157 my $map = cf::map::new;
158 $map->generate_random_map ({
159 region => "scorn",
160 random_seed => $seed++,
161 xsize => (int rand 100) + 1,
162 ysize => (int rand 100) + 1,
163 });
164 warn sprintf "%d: %dx%d o# %d\n", $seed, $map->width, $map->height, &cf::object::objects_size;#d#
165 $map->destroy;
166 }
167 };
168 }
169
170 # prefetch test, load some ocean-maps
171 if (0) {
172 cf::async {
173 # 0.58
174 Coro::Timer::sleep 2;
175 for my $x (200..219) {
176 for my $y (200..219) {
177 (cf::map::find "/world/world_$x\_$y")->load;
178 }
179 }
180 };
181 }
182
183 # save test
184 if (0) {
185 cf::async {
186 # 0.080
187 Coro::Timer::sleep 2;
188 my $map = cf::map::find "/mlab/citydeclouds2";
189 $map->load_header;
190 $map->load;
191 $map->post_load_original;
192 my $m=100;
193 for (1..50) {
194 my $t=EV::time;
195 $map->_save_objects ("/tmp/x", cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
196 $t = EV::time-$t;
197 $m=$t if $m>$t;
198 warn $m;
199 }
200 };
201 }
202
203 1
204