feat: add dynamic hard flavour

Someone requested idk who tho

src/caelestia/utils/material/__init__.py

@@ -31,7 +31,7 @@ def get_colours_for_image(image: Path | str = wallpaper_thumbnail_path, scheme=N
         scheme = get_scheme()
 
     cache_base = scheme_cache_dir / compute_hash(image)
-    cache = (cache_base / scheme.variant / scheme.mode).with_suffix(".json")
+    cache = (cache_base / scheme.variant / scheme.flavour / scheme.mode).with_suffix(".json")
 
     try:
         with cache.open("r") as f:

src/caelestia/utils/material/generator.py

@@ -142,7 +142,7 @@ def lighten(colour: Hct, amount: float) -> Hct:
 
 def darken(colour: Hct, amount: float) -> Hct:
     diff = colour.tone * amount
-    return Hct.from_hct(colour.hue, colour.chroma + diff / 5, colour.tone - diff)
+    return Hct.from_hct(colour.hue, colour.chroma - diff / 5, colour.tone - diff)
 
 
 def get_scheme(scheme: str) -> DynamicScheme:
@@ -216,6 +216,12 @@ def gen_scheme(scheme, primary: Hct) -> dict[str, str]:
         for name, hct in colours.items():
             colours[name].chroma -= 15
 
+    # Darken surfaces for hard flavour
+    if scheme.flavour == "hard":
+        for colour in "background", *(k for k in colours.keys() if k.startswith("surface")):
+            colours[colour] = lighten(colours[colour], 0.4) if light else darken(colours[colour], 0.8)
+        colours["term0"] = lighten(colours["term0"], 0.4) if light else darken(colours["term0"], 0.9)
+
     # FIXME: deprecated stuff
     colours["text"] = colours["onBackground"]
     colours["subtext1"] = colours["onSurfaceVariant"]
@@ -230,6 +236,18 @@ def gen_scheme(scheme, primary: Hct) -> dict[str, str]:
     colours["mantle"] = darken(colours["surface"], 0.03)
     colours["crust"] = darken(colours["surface"], 0.05)
 
+    # More darkening if hard flavour
+    if scheme.flavour == "hard":
+        for colour in "base", "mantle", "crust":
+            colours[colour] = lighten(colours[colour], 0.4) if light else darken(colours[colour], 0.9)
+        for i in range(3):
+            colours[f"overlay{i}"] = (
+                lighten(colours[f"overlay{i}"], 0.4) if light else darken(colours[f"overlay{i}"], 0.8)
+            )
+            colours[f"surface{i}"] = (
+                lighten(colours[f"surface{i}"], 0.4) if light else darken(colours[f"surface{i}"], 0.8)
+            )
+
     # For debugging
     # print("\n".join(["{}: \x1b[48;2;{};{};{}m   \x1b[0m".format(n, *c.to_rgba()[:3]) for n, c in colours.items()]))
 

src/caelestia/utils/scheme.py

@@ -229,7 +229,9 @@ def get_scheme_flavours(name: str = None) -> list[str]:
     if name is None:
         name = get_scheme().name
 
-    return ["default"] if name == "dynamic" else [f.name for f in (scheme_data_dir / name).iterdir() if f.is_dir()]
+    return (
+        ["default", "hard"] if name == "dynamic" else [f.name for f in (scheme_data_dir / name).iterdir() if f.is_dir()]
+    )
 
 
 def get_scheme_modes(name: str = None, flavour: str = None) -> list[str]:

src/caelestia/utils/wallpaper.py

@@ -106,7 +106,7 @@ def get_colours_for_wall(wall: Path | str, no_smart: bool) -> None:
         scheme = Scheme(
             {
                 "name": name,
-                "flavour": "default",
+                "flavour": scheme.flavour,
                 "mode": smart_opts["mode"],
                 "variant": smart_opts["variant"],
                 "colours": scheme.colours,
@@ -115,7 +115,7 @@ def get_colours_for_wall(wall: Path | str, no_smart: bool) -> None:
 
     return {
         "name": name,
-        "flavour": "default",
+        "flavour": scheme.flavour,
         "mode": scheme.mode,
         "variant": scheme.variant,
         "colours": get_colours_for_image(get_thumb(wall, cache), scheme),