Pixellab based system

build_parts.py

@@ -12,6 +12,9 @@ Legend
   a  accent_light       b  accent_base       c  accent_dark
   x  type_light         y  type_base         z  type_dark
   w  white              p  pupil
+  fixed-color ramps (light base dark, never recolored, see generate_sprite.FIXED):
+  f g h  fire           l m n  bluefire      i j k  ice
+  s t u  electric       q r v  ghostfire
   P  pivot   T  tail   B  back   A  aura   ^  head_top
 
 Layout sources (parts_src/<slot>/<name>.layout) assemble stamps onto a fixed canvas,
@@ -34,7 +37,7 @@ from pathlib import Path
 
 from PIL import Image
 
-from generate_sprite import KEYS, MARKERS, PUPIL, EYE_WHITE
+from generate_sprite import EYE_WHITE, FIXED, KEYS, MARKERS, PUPIL
 
 # PARTS_SRC / PARTS_DIR let experiments build into a separate library (e.g. proto/).
 SRC = Path(os.environ.get("PARTS_SRC", "parts_src"))
@@ -49,6 +52,10 @@ LEGEND = {
     "P": MARKERS["pivot"], "T": MARKERS["tail"], "B": MARKERS["back"],
     "A": MARKERS["aura"], "^": MARKERS["head_top"],
 }
+# Fixed-color ramp characters, light/base/dark in order
+FIXED_CHARS = {"fire": "fgh", "bluefire": "lmn", "ice": "ijk", "electric": "stu", "ghostfire": "qrv"}
+for _ramp, _chars in FIXED_CHARS.items():
+    LEGEND.update(zip(_chars, FIXED[_ramp]))
 
 
 class SourceError(Exception):