#!/bin/bash
# Copies the logos every demo opens and closes with from their sources in media/ into each demo's own
# art/ folder (a demo carries everything it uses, so it packs into a .game by itself):  the Singe
# dragon, turned to face left, and lettering for the opening card, the lettering turned near-white to
# stand on black, and Kangaroo Punch's logo made for black, uncompressed, for the closing one.  The
# demos draw them from the SVG at the screen's resolution (kit.lua, K.vector).
set -euo pipefail

REPO=$(cd "$(dirname "$0")/.." && pwd)
LETTERING="#f2f2f2"

for GAMES_DAT in "$REPO"/demos/*/games.dat; do
	ART="$(dirname "$GAMES_DAT")/art"
	mkdir -p "$ART"
	# The dragon turned to face left, as on Singe's own logo:  everything in the drawing mirrored about
	# the middle of its view box.
	python3 - "$REPO/media/Dragon.svg" "$ART/dragon.svg" <<'PY'
import re, sys
svg = open(sys.argv[1]).read()
x, y, w, h = (float(v) for v in re.search(r'viewBox="([^"]+)"', svg).group(1).split())
opening = re.search(r'<svg[^>]*>', svg)
svg = svg[:opening.end()] + '<g transform="translate(%g 0) scale(-1 1)">' % (2 * x + w) + svg[opening.end():]
svg = svg.replace('</svg>', '</g></svg>')
open(sys.argv[2], "w").write(svg)
PY
	sed "s/fill=\"#000\"/fill=\"$LETTERING\"/" "$REPO/media/SingeText.svg" > "$ART/singeText.svg"
	if ! grep -q "fill=\"$LETTERING\"" "$ART/singeText.svg"; then
		echo "SingeText.svg no longer has fill=\"#000\" to recolor" >&2
		exit 1
	fi
	zcat "$REPO/media/Kangaroo Punch Logo with Text on Black.svgz" > "$ART/kangarooPunch.svg"
done