#!/usr/bin/env zsh
# Simple test which decodes some images from LBX archives and compares against
# known md5sums to find regressions.  Unforuntately depends on the output
# format of lbximg; this may change in the future.

# Image/tool paths.  Adjust to taste.  The DATADIR must contain the original
# Moo2 LBX archives, with filenames in lower case.
DATADIR=$HOME/.2oom/game
LBXTOOL=`readlink -f ../lbxtool`
LBXIMG=`readlink -f ../lbximg`

# Status vars
FAILED=0

if ! SCRATCH=`mktemp -d`; then
	exit 1
fi

cd $SCRATCH || exit 1
echo "Working in $SCRATCH"

# Palettes
$LBXTOOL -xf $DATADIR/fonts.lbx

compare()
{
	echo -n "  Frame $1 "

	FILE=`printf 'out.%03d.png' $1`
	MD5=`md5sum $FILE | cut -d ' ' -f 1`

	if [[ $MD5 == $2 ]]; then
		echo OK
		rm -f $FILE
	else
		echo FAILED
		FAILED=`expr $FAILED + 1`
	fi
}

# Main menu
$LBXTOOL -xf $DATADIR/mainmenu.lbx mainmenu.lbx.{000,007,021}

echo "mainmenu.lbx.021: single frame, embedded palette:"
$LBXIMG -df mainmenu.lbx.021
compare 0 390c49cfd1fe5e2ac0490be976f20936

echo "mainmenu.lbx.007: single frame, external palette:"
$LBXIMG -dp fonts.lbx.006 < mainmenu.lbx.007
compare 0 76def3e188f666025c62e621e23ab0d0

echo "mainmenu.lbx.000: multi frame, external palette:"
$LBXIMG -dp fonts.lbx.006 < mainmenu.lbx.000 0 15 49
compare  0 cc4ae6d96f6233f3b50bdce8b7ca74ee
compare 15 cad158da9a015adfcea7809a8a3b6f4b
compare 49 390c49cfd1fe5e2ac0490be976f20936

# Logos
$LBXTOOL -xf $DATADIR/logo.lbx

echo "logo.lbx.000: single frame, embedded palette, transparency:"
$LBXIMG -df logo.lbx.000
compare 0 5cc8d2b761390d15be2738030c658bfc

echo "logo.lbx.001: multi frame, embedded palette:"
$LBXIMG -df logo.lbx.001 0 30 63
compare  0 f3f0859b39f2e76091842c8a7276b2a1
compare 30 8fb41356a20c68c3be0939ad49256cf9
compare 63 156f381c5d4bf6178affd3d6a4720118

# Ships
$LBXTOOL -xf $DATADIR/ships.lbx ships.lbx.{042,049}

echo "ships.lbx.042: single frame, external+override palette, transparency:"
$LBXIMG -df ships.lbx.042 -p fonts.lbx.012 -O ships.lbx.049
compare 0 bd643736d46ef387bcffcc8803aabb83

# Nebulae
$LBXTOOL -xf $DATADIR/starbg.lbx starbg.lbx.009

echo "starbg.lbx.009: single frame, raw data:"
$LBXIMG -df starbg.lbx.009 -p fonts.lbx.005
compare 0 cfc5d92b6503951c4962498c7dcfea31

# Monsters
$LBXTOOL -xf $DATADIR/monster.lbx monster.lbx.{007,014}

echo "monster.lbx.007: multi frame, chunked:"
$LBXIMG -df monster.lbx.007 -p fonts.lbx.004 -O monster.lbx.014 0 5 19
compare  0 59399c8d2d74116ff4b330a2cc1f3cc2
compare  5 6947e108f7c8d2d2d626c67af3fdb7e2
compare 19 03d86257527f0d7a91c2cde57059e734

# Clean up
if [[ $FAILED -eq 0 ]]; then
	echo "All tests completed successfully."
	rm -rf -- $SCRATCH
else
	echo "$FAILED test(s) FAILED"
fi