From: Mischa POSLAWSKY <perl@shiar.org>
Date: Thu, 12 Feb 2009 05:08:46 +0000 (+0100)
Subject: XXX: scmap: restore metadata marking (era-dependant styling)
X-Git-Url: http://git.shiar.net/perl/schtarr.git/commitdiff_plain/713c7283dbb643fb91386ad8090c9a7caf531b18

XXX: scmap: restore metadata marking (era-dependant styling)
---

diff --git a/scmap b/scmap
index f636b25..33f7f8b 100755
--- a/scmap
+++ b/scmap
@@ -62,6 +62,35 @@ my %mapsep = (
 	ascii => '',
 );
 
+use Inline with => 'Imager';
+use Inline C => <<'EOS';
+void blendpixel(Imager img, int offset, Imager::Color color) {
+	int ch;
+	float opacity = (float)color->channel[3] / 255;
+	for (ch = 0; ch < img->channels; ++ch) {
+		img->idata[offset * img->channels + ch] *= 1 - opacity;
+		img->idata[offset * img->channels + ch] += color->channel[ch] * opacity;
+	}
+	return;
+}
+
+EOS
+
+my %UNITINFO = ( # unitid => color|image, width, height
+	176 => [min => [ 47, 195, 255], 2, 1], # minerals
+	188 => [gas => [ 15, 255,  63], 2, 1], # gas
+	214 => [pos => [255, 255,   0], 2, 2], # start pos
+);
+$UNITINFO{$_} = $UNITINFO{176} for 177, 178;
+
+my $STYLE = {
+		wall => [0, 0, 255, 127],
+		edge => [0, 0, 255, 15],
+		ramp => [0, 255, 0, 47],
+		rock => [255, 0, 0, 255],
+};
+$_ = Imager::Color->new(@$_) for values %$STYLE;
+
 if (defined $mapsep{$SHOWMAP}) {
 	my $MAPCHARSEP = $mapsep{$SHOWMAP};
 
@@ -89,6 +118,31 @@ if (defined $mapsep{$SHOWMAP}) {
 
 			# 512x512 ~ 7s
 			my $tile = $tileset->tile($_);
+BLENDTILE:
+			for (my $offset = 0; $offset < 4*4; $offset++) {
+				for (my $y = 0; $y < 4; $y++) {
+					my $subtype = $tile->{subtype}->[$offset];
+					if ($subtype & 8) {
+						# obstructions
+						blendpixel($tile->{sprite}, $offset, $STYLE->{wall});
+					}
+					elsif (($subtype & 1) == 0) {
+						# unwalkable
+						blendpixel($tile->{sprite}, $offset, $STYLE->{edge});
+					}
+					elsif ($subtype & 16) {
+						# ramps
+						my $mask = Imager->new(xsize => 4, ysize => 4, channels => 4);
+						$mask->box(color => $STYLE->{ramp}, filled => 1);
+						$tile->{sprite}->rubthrough(src => $mask);
+						last BLENDTILE;
+					}
+					elsif ($tile->{build}) {
+						# unbuildable
+						blendpixel($tile->{sprite}, $offset, $STYLE->{rock});
+					}
+				}
+			}
 			$img->paste(src => $tile->{sprite}, left => $x*4, top => $y*4);
 
 			# 4096x4096 ~ 75s
@@ -107,6 +161,59 @@ if (defined $mapsep{$SHOWMAP}) {
 			}
 		}
 
+		my $overlaymin = Imager->new(
+			xsize => $img->getwidth,
+			ysize => $img->getheight,
+			channels => 4,
+		);
+		my $overlaygas = $overlaymin->copy;
+		for my $unit ($map->units) {
+			my $info = $UNITINFO{ $unit->{id} } or next;
+			my ($name, $color, $xsize, $ysize) = @$info or next;
+			if ($name eq 'min') {
+				next if $unit->{amount} <= 8;
+				$overlaymin->circle(
+					x      => 4 * ($unit->{x} + $xsize/2),
+					y      => 4 * ($unit->{y} + $ysize/2),
+					r      => 4 * ($unit->{amount} <= 40 ? 2 : 4),
+					color  => $color,
+					filled => 1,
+					aa     => 1,
+				);
+			}
+			elsif ($name eq 'gas') {
+				$overlaygas->circle(
+					x      => 4 * ($unit->{x} + $xsize/2),
+					y      => 4 * ($unit->{y} + $ysize/2),
+					r      => 4 * ($unit->{amount} <= 40 ? 2 : 4),
+					color  => $color,
+					filled => 1,
+					aa     => 1,
+				);
+			}
+		}
+		$img->compose(src => $overlaymin, opacity => 0.1875);
+		$img->compose(src => $overlaygas, opacity => 0.125);
+
+		for my $unit ($map->units) {
+			my $info = $UNITINFO{ $unit->{id} }
+				or warn("No unit styling for unit #$unit->{id}"), next;
+			my ($name, $color, $xsize, $ysize, $sprite) = @$info;
+			if ($sprite) {
+				$img->paste(src => $sprite, x => $unit->{x}, y => $unit->{y});
+			}
+			else {
+				$img->box(
+					xmin   => 4 * $unit->{x},
+					ymin   => 4 * $unit->{y},
+					xmax   => 4 * ($unit->{x} + ($xsize || 1)),
+					ymax   => 4 * ($unit->{y} + ($ysize || 1)),
+					color  => $color,
+					filled => 1,
+				);
+			}
+		}
+
 		$img->write(fd => fileno(STDOUT), type => 'png')
 			or die 'Cannot output image: ', $img->errstr;
 	}