High-res textures for all rooms, special floors, walls, bridges, outdoors and objects; reinforced wall as castle masonry in both styles

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tools/make_decal.py

@@ -6,7 +6,8 @@ alpha made hard (pixels are either there or not, like the rest of the pixel art)
 Usage:
   make_decal.py raw.png out_prefix --size 128 [--gray]
 
---gray  neutral grey (a dark crack whose lines took on the magenta of the background)
+--gray    neutral grey (a dark crack whose lines took on the magenta of the background)
+--strict  key out only nearly pure magenta (for pink or red pictures)
 
 Writes out_prefix-<size>.png and out_prefix-<size>-preview.png (on a grey floor, scaled up 3x).
 Needs Pillow.
@@ -22,6 +23,7 @@ def main():
     ap.add_argument("out")
     ap.add_argument("--size", type=int, default=128)
     ap.add_argument("--gray", action="store_true")
+    ap.add_argument("--strict", action="store_true")
     a = ap.parse_args()
 
     img = Image.open(a.raw).convert("RGBA")
@@ -29,7 +31,7 @@ def main():
     for y in range(img.height):
         for x in range(img.width):
             r, g, b, _ = px[x, y]
-            if r > g + 40 and b > g + 40:
+            if (r > 200 and b > 200 and g < 90) if a.strict else (r > g + 40 and b > g + 40):
                 px[x, y] = (0, 0, 0, 0)
     # premultiplied scaling: transparent pixels add nothing to the colour
     small = img.resize((a.size, a.size), Image.BOX)