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/cvs/deliantra/server/ext/map-world.ext
Revision: 1.34
Committed: Tue Sep 23 04:29:11 2008 UTC (15 years, 8 months ago) by root
Branch: MAIN
Changes since 1.33: +1 -1 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #! perl # optional
2
3 # optional plug-in to speed up worldmap rendering by dynamically
4 # generating it out of an image
5 # - saves loading time (less data to read)
6 # - saves temporary space (only overlay stuff needs to be saved)
7 # - might get reused as a generic tiled map
8
9 cf::map->register (qr{^/world/world_(\d\d\d)_(\d\d\d)$}, 100);
10
11 use Coro::Handle;
12 use Coro::AIO;
13
14 our $WORLD;
15
16 sub load_indexed($$) {
17 my ($path, $size) = @_;
18
19 use bytes;
20
21 0 < aio_load "$path.plt", my $plt
22 or cf::cleanup "$path.plt: $!";
23
24 my %plt;
25 my @plt;
26
27 for (split /\n/, $plt) {
28 my ($name, $rgb) = split /\s+/;
29 if (/^(\S+)\s+(\S+)$/) {
30 my ($name, $rgb) = ($1, $2);
31 $rgb = join "", map chr, map $_ * 17, map hex, split //, $rgb;
32 $plt{$rgb} = chr @plt;
33 push @plt, $name;
34 }
35 }
36
37 my $data = cf::fork_call {
38 open my $fh, "convert \Q$path.png\E -depth 8 rgb:- |"
39 or die "convert: $!";
40 binmode $fh;
41
42 $size * 3 == read $fh, my $data, $size * 3
43 or die "$path.png, expected $size rgb triplets: $!";
44
45 cf::_quantise $data, [map "$_$plt{$_}", keys %plt];
46
47 $data
48 };
49
50 $size == length $data
51 or cf::cleanup "$path.png, expected $size index octets ($!)";
52
53 ($data, \@plt)
54 }
55
56 sub load_gridmap($) {
57 my ($path) = @_;
58
59 my $map = cf::cache "ext::map-world/gridmap" =>
60 [
61 "$path/gridmap.meta",
62 "$path/gridmap.arch.plt",
63 "$path/gridmap.arch.png",
64 "$path/gridmap.regn.plt",
65 "$path/gridmap.regn.png",
66 ],
67 1 => sub {
68 my ($src) = @_;
69
70 my $map = cf::decode_json $src->[0];
71
72 my $size = $map->{tile_w} * $map->{tile_h} * $map->{grid_w} * $map->{grid_h}
73 or cf::cleanup "$path/gridmap.meta: empty gridmap?";
74
75 ($map->{arc_data}, $map->{arc_plt}) = load_indexed "$path/gridmap.arch", $size;
76 ($map->{reg_data}, $map->{reg_plt}) = load_indexed "$path/gridmap.regn", $size;
77
78 Coro::Storable::freeze $map
79 };
80
81 Coro::Storable::thaw $map
82 }
83
84 sub reload() {
85 $WORLD = load_gridmap "$MAPDIR/world";
86 warn "worldmap gridmap loaded.";
87 }
88
89 # this is contorted, but likely the correct way to acquire the lock :)
90 cf::post_init {
91 my $guard = cf::lock_acquire "ext::world_gridmap";
92 cf::async_ext {
93 $Coro::current->{desc} = "worldmap loader";
94 reload;
95 undef $guard;
96 };
97 };
98
99 sub wxwy {
100 $_[0]->path =~ m{/world/world_(\d\d\d)_(\d\d\d)$}
101 ? ($1, $2)
102 : (0, 0)
103 }
104
105 sub load_header_orig {
106 my ($self) = @_;
107
108 my ($x, $y) = $self->wxwy;
109
110 my $guard = cf::lock_acquire "ext::world_gridmap";
111
112 $self->width ($WORLD->{tile_w});
113 $self->height ($WORLD->{tile_h});
114
115 $self->name ("'The World' at +$x+$y");
116 $self->msg ("worldmap dynamically created by map-world extension");
117 $self->outdoor (1);
118 $self->default_region (cf::region::find "wilderness");
119
120 $self->tile_path (0, sprintf "/world/world_%03d_%03d", $x, $y - 1) if $y > 0;
121 $self->tile_path (1, sprintf "/world/world_%03d_%03d", $x + 1, $y) if $x < 999;
122 $self->tile_path (2, sprintf "/world/world_%03d_%03d", $x, $y + 1) if $y < 999;
123 $self->tile_path (3, sprintf "/world/world_%03d_%03d", $x - 1, $y) if $x > 0;
124
125 my $overlay = sprintf "%s/world/world_%03d_%03d.map", $cf::MAPDIR, $x, $y;
126
127 $self->{load_path} = $overlay
128 unless Coro::AIO::aio_stat $overlay;
129
130 $self->{need_create_treasure} = 1;
131
132 1
133 }
134
135 sub fill {
136 my ($self) = @_;
137
138 $self->add_underlay ("\x00" x ($WORLD->{tile_w} * $WORLD->{tile_h}), 0, $WORLD->{tile_w}, $WORLD->{arc_plt});
139 $self->default_region (cf::region::find $WORLD->{reg_plt}[0]);
140 }
141
142 sub load {
143 my ($self) = @_;
144
145 if ($self->{load_path}) {
146 $self->SUPER::load;
147 } else {
148 $self->alloc;
149 $self->fill;
150 $self->in_memory (cf::MAP_ACTIVE);
151 $self->activate;
152 }
153 }
154
155 sub post_load {
156 my ($self) = @_;
157
158 {
159 my $guard = cf::lock_acquire "ext::world_gridmap";
160
161 my ($x, $y) = $self->wxwy;
162
163 if ($x >= 100 && $x <= 129 && $y >= 100 && $y <= 129) {
164 my $stride = $WORLD->{grid_w} * $WORLD->{tile_w};
165 my $top = ($y - 100) * $WORLD->{tile_h} * $stride
166 + ($x - 100) * $WORLD->{tile_w};
167
168 $self->add_underlay ($WORLD->{arc_data}, $top, $stride, $WORLD->{arc_plt});
169 $self->set_regiondata ($WORLD->{reg_data}, $top, $stride, $WORLD->{reg_plt});
170
171 } else {
172 $self->fill;
173 }
174 }
175
176 $self->create_region_treasure
177 if delete $self->{need_create_treasure};
178 }
179
180 1
181