server/ext/map-world.ext

#! perl # optional

# optional plug-in to speed up worldmap rendering by dynamically
# generating it out of an image
# - saves loading time (less data to read)
# - saves temporary space (only overlay stuff needs to be saved)
# - might get reused as a generic tiled map

use Coro::Handle;
use Coro::AIO;

our $WORLD;

sub load_indexed($$) {
   my ($path, $size) = @_;

   use bytes;

   0 < aio_load "$path.plt", my $plt
      or cf::cleanup "$path.plt: $!";

   my %plt;
   my @plt;

   for (split /\n/, $plt) {
      my ($name, $rgb) = split /\s+/;
      if (/^(\S+)\s+(\S+)$/) {
         my ($name, $rgb) = ($1, $2);
         $rgb = join "", map chr, map $_ * 17, map hex, split //, $rgb;
         $plt{$rgb} = chr @plt;
         push @plt, $name;
      }
   }

   my $data = cf::fork_call {
      open my $fh, "convert \Q$path.png\E -depth 8 rgb:- |"
         or die "convert: $!";
      binmode $fh;

      $size * 3 == read $fh, my $data, $size * 3
         or die "$path.png, expected $size rgb triplets: $!";

      cf::_quantise $data, [map "$_$plt{$_}", keys %plt];

      $data
   };

   $size == length $data
      or cf::cleanup "$path.png, expected $size index octets ($!)";

   ($data, \@plt)
}

sub load_gridmap($) {
   my ($path) = @_;

   my $map = cf::cache "ext::map-world/gridmap" =>
      [
         "$path/gridmap.meta",
         "$path/gridmap.arch.plt",
         "$path/gridmap.arch.png",
         "$path/gridmap.regn.plt",
         "$path/gridmap.regn.png",
      ],
      1 => sub {
         my ($src) = @_;

         my $map = cf::from_json $src->[0];

         my $size = $map->{tile_w} * $map->{tile_h} * $map->{grid_w} * $map->{grid_h}
            or cf::cleanup "$path/gridmap.meta: empty gridmap?";

         ($map->{arc_data}, $map->{arc_plt}) = load_indexed "$path/gridmap.arch", $size;
         ($map->{reg_data}, $map->{reg_plt}) = load_indexed "$path/gridmap.regn", $size;

         Coro::Storable::freeze $map
      };

   Coro::Storable::thaw $map
}

sub reload() {
   $WORLD = load_gridmap "$MAPDIR/world";
   warn "worldmap gridmap loaded.";
}

# this is contorted, but likely the correct way to acquire the lock :)
cf::sync_job {
   my $guard = cf::lock_acquire "ext::world_gridmap";
   cf::async_ext {
      reload;
      undef $guard;
   };
};

cf::map->register (qr{^/world/world_(\d\d\d)_(\d\d\d)$}, 100);

sub wxwy {
   $_[0]->path =~ m{/world/world_(\d\d\d)_(\d\d\d)$}
      ? ($1, $2)
      : (0, 0)
}

sub load_header_orig {
   my ($self) = @_;

   my ($x, $y) = $self->wxwy;

   my $guard = cf::lock_acquire "ext::world_gridmap";

   $self->width  ($WORLD->{tile_w});
   $self->height ($WORLD->{tile_h});

   $self->name ("'The World' at +$x+$y");
   $self->msg ("worldmap dynamically created by map-world extension");
   $self->outdoor (1);
   $self->default_region (cf::region::find "wilderness");

   $self->tile_path (0, sprintf "/world/world_%03d_%03d", $x, $y - 1) if $y >   0;
   $self->tile_path (1, sprintf "/world/world_%03d_%03d", $x + 1, $y) if $x < 999;
   $self->tile_path (2, sprintf "/world/world_%03d_%03d", $x, $y + 1) if $y < 999;
   $self->tile_path (3, sprintf "/world/world_%03d_%03d", $x - 1, $y) if $x >   0;

   $self->{load_path} = sprintf "%s/world-overlay/world_%03d_%03d.map", $cf::MAPDIR, $x, $y
      if $x >= 100 && $x <= 129 && $y >= 100 && $y <= 129;

   $self->{need_create_treasure} = 1;

   1
}

sub fill {
   my ($self) = @_;

   $self->add_underlay ("\x00" x ($WORLD->{tile_w} * $WORLD->{tile_h}), 0, $WORLD->{tile_w}, $WORLD->{arc_plt});
   $self->default_region (cf::region::find $WORLD->{reg_plt}[0]);
}

sub load {
   my ($self) = @_;

   if ($self->{load_path}) {
      $self->SUPER::load;
   } else {
      $self->alloc;
      $self->fill;
      $self->in_memory (cf::MAP_IN_MEMORY);
      $self->activate;
   }
}

sub post_load {
   my ($self) = @_;

   {
      my $guard = cf::lock_acquire "ext::world_gridmap";

      my ($x, $y) = $self->wxwy;

      if ($x >= 100 && $x <= 129 && $y >= 100 && $y <= 129) {
         my $stride = $WORLD->{grid_w} * $WORLD->{tile_w};
         my $top = ($y - 100) * $WORLD->{tile_h} * $stride
                    + ($x - 100) * $WORLD->{tile_w};

         $self->add_underlay   ($WORLD->{arc_data}, $top, $stride, $WORLD->{arc_plt});
         $self->set_regiondata ($WORLD->{reg_data}, $top, $stride, $WORLD->{reg_plt});

      } else {
         $self->fill;
      }
   }

   $self->create_region_treasure
      if delete $self->{need_create_treasure};
}

1

Revision:	1.27
Committed:	Mon Jun 11 21:38:13 2007 UTC (16 years, 11 months ago) by root
Branch:	MAIN
Changes since 1.26:	+1 -1 lines
Log Message:	port micropather to c++...
#	User	Rev	Content
1	root	1.27	#! perl # optional
2	root	1.1
3			# optional plug-in to speed up worldmap rendering by dynamically
4	root	1.8	# generating it out of an image
5	root	1.1	# - saves loading time (less data to read)
6			# - saves temporary space (only overlay stuff needs to be saved)
7	root	1.8	# - might get reused as a generic tiled map
8	root	1.1
9	root	1.8	use Coro::Handle;
10			use Coro::AIO;
11	root	1.1
12	root	1.8	our $WORLD;
13	root	1.1
14	root	1.8	sub load_indexed($$) {
15			my ($path, $size) = @_;
16
17			use bytes;
18
19			0 < aio_load "$path.plt", my $plt
20			or cf::cleanup "$path.plt: $!";
21
22			my %plt;
23			my @plt;
24
25			for (split /\n/, $plt) {
26			my ($name, $rgb) = split /\s+/;
27			if (/^(\S+)\s+(\S+)$/) {
28			my ($name, $rgb) = ($1, $2);
29			$rgb = join "", map chr, map $_ * 17, map hex, split //, $rgb;
30			$plt{$rgb} = chr @plt;
31			push @plt, $name;
32			}
33			}
34
35	root	1.22	my $data = cf::fork_call {
36			open my $fh, "convert \Q$path.png\E -depth 8 rgb:- \|"
37			or die "convert: $!";
38			binmode $fh;
39	root	1.8
40	root	1.22	$size * 3 == read $fh, my $data, $size * 3
41			or die "$path.png, expected $size rgb triplets: $!";
42	root	1.8
43	root	1.22	cf::_quantise $data, [map "$_$plt{$_}", keys %plt];
44	root	1.8
45	root	1.22	$data
46			};
47	root	1.8
48	root	1.22	$size == length $data
49	root	1.8	or cf::cleanup "$path.png, expected $size index octets ($!)";
50
51			($data, \@plt)
52			}
53
54			sub load_gridmap($) {
55			my ($path) = @_;
56
57	root	1.22	my $map = cf::cache "ext::map-world/gridmap" =>
58			[
59			"$path/gridmap.meta",
60			"$path/gridmap.arch.plt",
61			"$path/gridmap.arch.png",
62			"$path/gridmap.regn.plt",
63			"$path/gridmap.regn.png",
64			],
65			1 => sub {
66			my ($src) = @_;
67
68			my $map = cf::from_json $src->[0];
69	root	1.8
70	root	1.22	my $size = $map->{tile_w} * $map->{tile_h} * $map->{grid_w} * $map->{grid_h}
71			or cf::cleanup "$path/gridmap.meta: empty gridmap?";
72	root	1.8
73	root	1.22	($map->{arc_data}, $map->{arc_plt}) = load_indexed "$path/gridmap.arch", $size;
74			($map->{reg_data}, $map->{reg_plt}) = load_indexed "$path/gridmap.regn", $size;
75	root	1.1
76	root	1.22	Coro::Storable::freeze $map
77			};
78	root	1.1
79	root	1.22	Coro::Storable::thaw $map
80			}
81	root	1.11
82	root	1.22	sub reload() {
83	root	1.23	$WORLD = load_gridmap "$MAPDIR/world";
84	root	1.22	warn "worldmap gridmap loaded.";
85	root	1.1	}
86
87	root	1.8	# this is contorted, but likely the correct way to acquire the lock :)
88			cf::sync_job {
89			my $guard = cf::lock_acquire "ext::world_gridmap";
90			cf::async_ext {
91	root	1.22	reload;
92	root	1.8	undef $guard;
93	root	1.23	};
94	root	1.8	};
95
96			cf::map->register (qr{^/world/world_(\d\d\d)_(\d\d\d)$}, 100);
97
98	root	1.1	sub wxwy {
99			$_[0]->path =~ m{/world/world_(\d\d\d)_(\d\d\d)$}
100			? ($1, $2)
101			: (0, 0)
102			}
103
104			sub load_header_orig {
105			my ($self) = @_;
106
107	root	1.8	my ($x, $y) = $self->wxwy;
108	root	1.1
109	root	1.8	my $guard = cf::lock_acquire "ext::world_gridmap";
110	root	1.1
111	root	1.8	$self->width ($WORLD->{tile_w});
112			$self->height ($WORLD->{tile_h});
113	root	1.3
114	root	1.6	$self->name ("'The World' at +$x+$y");
115	root	1.1	$self->msg ("worldmap dynamically created by map-world extension");
116	root	1.8	$self->outdoor (1);
117	root	1.20	$self->default_region (cf::region::find "wilderness");
118	root	1.1
119	root	1.12	$self->tile_path (0, sprintf "/world/world_%03d_%03d", $x, $y - 1) if $y > 0;
120			$self->tile_path (1, sprintf "/world/world_%03d_%03d", $x + 1, $y) if $x < 999;
121			$self->tile_path (2, sprintf "/world/world_%03d_%03d", $x, $y + 1) if $y < 999;
122			$self->tile_path (3, sprintf "/world/world_%03d_%03d", $x - 1, $y) if $x > 0;
123	root	1.7
124	root	1.23	$self->{load_path} = sprintf "%s/world-overlay/world_%03d_%03d.map", $cf::MAPDIR, $x, $y
125	root	1.8	if $x >= 100 && $x <= 129 && $y >= 100 && $y <= 129;
126	root	1.1
127	root	1.24	$self->{need_create_treasure} = 1;
128
129	root	1.1	1
130			}
131
132	root	1.13	sub fill {
133			my ($self) = @_;
134
135	root	1.15	$self->add_underlay ("\x00" x ($WORLD->{tile_w} * $WORLD->{tile_h}), 0, $WORLD->{tile_w}, $WORLD->{arc_plt});
136			$self->default_region (cf::region::find $WORLD->{reg_plt}[0]);
137	root	1.13	}
138
139	root	1.1	sub load {
140			my ($self) = @_;
141
142			if ($self->{load_path}) {
143			$self->SUPER::load;
144			} else {
145	root	1.2	$self->alloc;
146	root	1.13	$self->fill;
147	root	1.2	$self->in_memory (cf::MAP_IN_MEMORY);
148	root	1.26	$self->activate;
149	root	1.1	}
150			}
151
152	root	1.3	sub post_load {
153	root	1.1	my ($self) = @_;
154
155	root	1.26	{
156			my $guard = cf::lock_acquire "ext::world_gridmap";
157	root	1.8
158	root	1.26	my ($x, $y) = $self->wxwy;
159	root	1.1
160	root	1.26	if ($x >= 100 && $x <= 129 && $y >= 100 && $y <= 129) {
161			my $stride = $WORLD->{grid_w} * $WORLD->{tile_w};
162			my $top = ($y - 100) * $WORLD->{tile_h} * $stride
163			+ ($x - 100) * $WORLD->{tile_w};
164
165			$self->add_underlay ($WORLD->{arc_data}, $top, $stride, $WORLD->{arc_plt});
166			$self->set_regiondata ($WORLD->{reg_data}, $top, $stride, $WORLD->{reg_plt});
167
168			} else {
169			$self->fill;
170			}
171	root	1.1	}
172	root	1.24
173	root	1.26	$self->create_region_treasure
174			if delete $self->{need_create_treasure};
175	root	1.1	}
176
177			1
178