1 files changed, 0 insertions, 106 deletions
diff --git a/tools/unique.py b/tools/unique.py
deleted file mode 100755
index 34530a3e..00000000
--- a/tools/unique.py
+++ /dev/null
@@ -1,106 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-"""
-Usage: python unique.py [-f|--flip] [-x|--cross] image.png
-
-Erase duplicate tiles from an input image.
--f or --flip counts X/Y mirrored tiles as duplicates.
--x or --cross erases with a cross instead of a blank tile.
-"""
-
-import sys
-
-import png
-
-def rgb5_pixels(row):
-	yield from (tuple(c // 8 for c in row[x:x+3]) for x in range(0, len(row), 4))
-
-def rgb8_pixels(row):
-	yield from (c * 8 + c // 4 for pixel in row for c in pixel)
-
-def gray_pixels(row):
-	yield from (pixel[0] // 10 for pixel in row)
-
-def rows_to_tiles(rows, width, height):
-	assert len(rows) == height and len(rows[0]) == width
-	yield from (tuple(tuple(row[x:x+8]) for row in rows[y:y+8])
-		for y in range(0, height, 8) for x in range(0, width, 8))
-
-def tiles_to_rows(tiles, width, height):
-	assert width % 8 == 0 and height % 8 == 0
-	width, height = width // 8, height // 8
-	tiles = list(tiles)
-	assert len(tiles) == width * height
-	tile_rows = (tiles[y:y+width] for y in range(0, width * height, width))
-	yield from ([tile[y][x] for tile in tile_row for x in range(8)]
-		for tile_row in tile_rows for y in range(8))
-
-def tile_variants(tile, flip):
-	yield tile
-	if flip:
-		yield tile[::-1]
-		yield tuple(row[::-1] for row in tile)
-		yield tuple(row[::-1] for row in tile[::-1])
-
-def unique_tiles(tiles, flip, cross):
-	if cross:
-		blank = [[(0, 0, 0)] * 8 for _ in range(8)]
-		for y in range(8):
-			blank[y][y] = blank[y][7 - y] = (31, 31, 31)
-		blank = tuple(tuple(row) for row in blank)
-	else:
-		blank = tuple(tuple([(31, 31, 31)] * 8) for _ in range(8))
-	seen = set()
-	for tile in tiles:
-		if any(variant in seen for variant in tile_variants(tile, flip)):
-			yield blank
-		else:
-			yield tile
-			seen.add(tile)
-
-def is_grayscale(colors):
-	return (colors.issubset({(31, 31, 31), (21, 21, 21), (10, 10, 10), (0, 0, 0)}) or
-		colors.issubset({(31, 31, 31), (20, 20, 20), (10, 10, 10), (0, 0, 0)}))
-
-def erase_duplicates(filename, flip, cross):
-	with open(filename, 'rb') as file:
-		width, height, rows = png.Reader(file).asRGBA8()[:3]
-		rows = [list(rgb5_pixels(row)) for row in rows]
-	if width % 8 or height % 8:
-		return False
-	tiles = unique_tiles(rows_to_tiles(rows, width, height), flip, cross)
-	rows = list(tiles_to_rows(tiles, width, height))
-	if is_grayscale({c for row in rows for c in row}):
-		rows = [list(gray_pixels(row)) for row in rows]
-		writer = png.Writer(width, height, greyscale=True, bitdepth=2, compression=9)
-	else:
-		rows = [list(rgb8_pixels(row)) for row in rows]
-		writer = png.Writer(width, height, greyscale=False, bitdepth=8, compression=9)
-	with open(filename, 'wb') as file:
-		writer.write(file, rows)
-	return True
-
-def main():
-	flip = cross = False
-	while True:
-		if len(sys.argv) < 2:
-			print(f'Usage: {sys.argv[0]} [-f|--flip] [-x|--cross] tileset.png', file=sys.stderr)
-			sys.exit(1)
-		elif sys.argv[1] in {'-f', '--flip'}:
-			flip = True
-		elif sys.argv[1] in {'-x', '--cross'}:
-			cross = True
-		elif sys.argv[1] in {'-fx', '-xf'}:
-			flip = cross = True
-		else:
-			break
-		sys.argv.pop(1)
-	for filename in sys.argv[1:]:
-		if not filename.lower().endswith('.png'):
-			print(f'{filename} is not a .png file!', file=sys.stderr)
-		elif not erase_duplicates(filename, flip, cross):
-			print(f'{filename} is not divisible into 8x8 tiles!', file=sys.stderr)
-
-if __name__ == '__main__':
-	main()