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94 lines
2.9 KiB
94 lines
2.9 KiB
package HexGrid;
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use v5.30;
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use Moo;
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use MooX::Aliases;
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use SVG;
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use Hash::Merge qw(merge);
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use HexGrid::Tile;
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use HexGrid::Region;
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use HexGrid::PopUp;
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use Carp;
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use Data::Dumper;
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use feature "signatures";
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no warnings "experimental::signatures";
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has regions => (is => 'rw', default => sub { {} });
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has sideLength => (is => 'rw', default => 100);
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has width => (is => 'rw', default => 1000);
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has height => (is => 'rw', default => 1000);
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has defaults => (is => 'rw', default => sub { {} });
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has make_popups => (is => 'rw', default => 1, alias => 'popups');
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has popup_class => (is => 'rw', default => 'pin-popup');
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has hidden_popups => (is => 'rw', default => 1, alias => 'popups_are_hidden');
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sub tile_width($this) { 2 * $this->{sideLength} }
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sub tile_height($this) { sqrt(3) * $this->{sideLength} }
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#Hash::Merge::merge defaults to Left Precedence, i.e. merge first arg onto second arg
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sub add_region($this, $region) { $this->{regions}{$region->{name}} = $region; }
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sub make_region($this, $name, %defaults)
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{
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my $tile_defaults = merge(\%defaults, $this->{defaults});
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$this->add_region(HexGrid::Region->new(name => $name, defaults => $tile_defaults));
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}
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sub get_tile_at($this, $nw, $sw)
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{
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# return $this->{tiles}{$nw}{$sw} if exists $this->{tiles}{$nw}{$sw};
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foreach my $region (keys $this->{regions}->%*)
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{
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return $this->{regions}{$region}{tiles}{$nw}{$sw} if exists $this->{regions}{$region}{tiles}{$nw}{$sw};
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}
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croak "No pin at $nw,$sw";
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}
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sub render($this)
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{
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my ($min_x,$min_y,$max_x,$max_y) = qw(Inf Inf -Inf -Inf);
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my $svg = SVG->new();
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my $root_style = $svg->style();
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my $style_text = "";
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$style_text .= ".$this->{popup_class} { visibility: hidden; }" if $this->{hidden_popups};
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$root_style->cdata($style_text);
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my $laters = [];
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foreach my $region (keys %{$this->{regions}})
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{
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my $m = $this->{regions}{$region}->render($svg, $laters, $this);
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$min_x = $m->{min_x} if $m->{min_x} < $min_x;
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$min_y = $m->{min_y} if $m->{min_y} < $min_y;
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$max_x = $m->{max_x} if $m->{max_x} > $max_x;
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$max_y = $m->{max_y} if $m->{max_y} > $max_y;
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}
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foreach my $later (@$laters)
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{
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$later->($svg);
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}
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my $width = $max_x - $min_x + $this->tile_width;
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my $height = $max_y - $min_y + $this->tile_height;
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$svg->{-docref}{-document}{viewBox} = "$min_x $min_y $width $height";
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$svg->{-docref}{-document}{width} = $this->{width};
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$svg->{-docref}{-document}{height} = $this->{height};
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$svg->{-docref}{-document}{preserveAspectRatio} = "xMidYMid";
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$svg->{-docref}{-document}{id}='grid-root';
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$svg->{-docref}{-document}{version}='1.2';
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# $svg->tag('textArea', width => "300", height => "300")->cdata("this is sum text like a bunch.");
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# $svg->foreignObject(width => "300", height => "300")->tag('div', xmlns => "http://www.w3.org/1999/xhtml")->cdata('foo');
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return $svg->xmlify;
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}
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sub translate_coords($this, $nw, $sw)
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{
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return (-3/4 * $this->tile_width * ($nw + $sw),
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1/2 * $this->tile_height * ($sw - $nw));
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}
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sub to_id($string) { $string =~ s/\W/-/g && return $string; }
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1;
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