Merge pull request #16805 from johndoknjas/piece-adjustments

Piece adjustments

bin/gen/generate_css_for_a_board_with_backgroundimages.py

@@ -2,22 +2,13 @@
 
 #config
 schemeName = "canvas"
-bgImgWhite = "../images/canvasboard_white.jpg"
-bgImgBlack = "../images/canvasboard_black.jpg"
 
 # adv. config
-squareSize = 64 # width of a square in pixel
+squareSize = 64 # width of a square in pixels
 
 #code
 print("body." + schemeName + " #GameBoard td.whiteSquare, body." + schemeName + " #GameBoard td.highlightWhiteSquare, body." + schemeName + " div.lcs.white, #top div.lcs.white." + schemeName + ", body." + schemeName + " div.lichess_board { background: url(../images/woodenboard_white.jpg) no-repeat; }")
 print("body." + schemeName + " #GameBoard td.blackSquare, body." + schemeName + " #GameBoard td.highlightBlackSquare, body." + schemeName + " div.lcs.black, #top div.lcs.black." + schemeName + " { background: url(../images/woodenboard_black.jpg) no-repeat; }")
-white = True
 for y in range(0,8):
-  for x in range (0, 8):
-    if white:
-      img = bgImgWhite
-    else:
-      img = bgImgBlack
+  for x in range (0,8):
     print("body." + schemeName + " #tcol"+str(x)+"trow"+str(y)+", body." + schemeName + " #"+str(chr(ord('a') + x))+str(8-y) + " { background-position: "+str((-x)*squareSize)+"px " +str((-y)*squareSize) +"px; }")
-    white = not white
-  white = not white

bin/gen/update_pieces.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+import base64
+import sys
+from pathlib import Path
+
+lila_root_dir = Path(__file__).parents[2]
+
+piece_style = sys.argv[1]
+
+pieces = {'wP': '.pawn.white', 'wN': '.knight.white', 'wB': '.bishop.white',
+          'wR': '.rook.white', 'wQ': '.queen.white', 'wK': '.king.white',
+          'bP': '.pawn.black', 'bN': '.knight.black', 'bB': '.bishop.black',
+          'bR': '.rook.black', 'bQ': '.queen.black', 'bK': '.king.black'}
+
+def str_to_num(val: str) -> int | float:
+    return (float if '.' in val else int)(val)
+
+def deduce_svg_filepath(piece_abbrv: str) -> Path:
+    return Path.joinpath(lila_root_dir, f"public/piece/{piece_style}/{piece_abbrv}.svg")
+
+def update_svg(piece_abbrv: str, shift_amt: float | int, vertical: bool) -> None:
+    svg_filepath = deduce_svg_filepath(piece_abbrv)
+    with open(svg_filepath, 'r') as f: contents = f.read()
+    curr_viewbox_str = contents.split('viewBox="', 1)[1].split('"', 1)[0]
+    # Should be in a form like: 0 0 800 800
+    new_viewbox_vals = curr_viewbox_str.split()
+    i = int(vertical)
+    new_viewbox_vals[i] = str(str_to_num(new_viewbox_vals[i]) + shift_amt)
+    new_viewbox_str = ' '.join(new_viewbox_vals)
+    new_contents = contents.replace(f'viewBox="{curr_viewbox_str}"', f'viewBox="{new_viewbox_str}"', 1)
+    with open(svg_filepath, 'w') as f: f.write(new_contents)
+
+def update_css() -> None:
+    new_css_str = ''
+    for piece_abbrv in pieces:
+        with open(deduce_svg_filepath(piece_abbrv), 'r') as f:
+            svg_encoded = base64.b64encode(f.read().encode()).decode()
+        new_css_str += (
+            ".is2d " + pieces[piece_abbrv] + " {background-image:url('data:image/svg+xml;base64," +
+            svg_encoded + "')}\n"
+        )
+    with open(Path.joinpath(lila_root_dir, f"public/piece-css/{piece_style}.css"), 'w') as f:
+        f.write(new_css_str)
+
+def main() -> None:
+    """Example: `python update_pieces.py *piece style name* *shift amount* *piece abbrvs, like wP or bR* *optionally, 'horizontal' to do that instead of vertical*
+       To test this script, run it with a vertical shift of 0. Then, no files should be modified.
+       This tests that the script works correctly, and that the existing svg and css
+       files are in sync."""
+    for piece_abbrv in pieces:
+        update_svg(piece_abbrv, str_to_num(sys.argv[2]) if piece_abbrv in sys.argv else 0, 'horizontal' not in sys.argv)
+    update_css()
+
+if __name__ == '__main__':
+    main()