init python: class DollFace(DollMethods): layer_types = { "eyemask": -1, "skin": 1, "expression": None, } layer_modifiers = { "zorder": None, } def __init__(self, obj): self.char = obj self._face = {k: None for k in self.char.face_layers.keys()} self._hash = None def set_face(self, **kwargs): self._face.update((k, v) for k, v in kwargs.items() if not v is None) self.is_stale() def generate_hash(self): salt = str( [self.char.name, self.char.pose, str(self.char.body._hash), sorted(list(self._face.items()))] ) return hash(salt) @functools.cache def get_layers(self, hash, subpath=""): face = self._face extensions = self.extensions types = self.layer_types modifiers = self.layer_modifiers face_layers = self.char.face_layers layers = {} for part, name in face.items(): if name is None: continue path = posixpath.join(self.char.modpath, "characters", self.char.name, "poses", self.char.pose, subpath, "face", part, name) for f in renpy.list_files(): fp, fn = os.path.split(f) fn, ext = os.path.splitext(fn) if not fp == path or not ext in extensions: continue ltype, *tails = fn.rsplit("_") if not ltype in types: print("Invalid layer type for file: {}".format(f)) continue zorder = types.get(ltype) or face_layers.get(part) if tails: lmodifier, *tails = tails if not lmodifier in modifiers: print("Invalid modifier for file: {}".format(f)) continue zorder_mod = modifiers.get(lmodifier) zorder = (zorder + int(zorder_mod)) layers.setdefault(" ".join([part, name, ltype, lmodifier]), [f, zorder]) else: layers.setdefault(" ".join([part, name, ltype]), [f, zorder]) return layers @functools.cache def build_image(self, hash, subpath="", matrix=None): layers = self.get_layers(hash, subpath) eyemask = next((layers.pop(k, None) for k in layers if "eyemask" in k), [None])[0] if matrix is None: matrix = self.char.body.hue processors = { "skin": lambda file: Transform(file, matrixcolor=matrix), "pupils": lambda file: AlphaMask(file, eyemask), "default": lambda file: Image(file), } sprites = [] for identifier, (file, zorder) in layers.items(): expr_type, name, ltype = identifier.rsplit(" ") if expr_type == "pupils": if not eyemask: continue processor = processors["pupils"] else: processor = processors.get(identifier, processors["default"]) processed_file = processor(file) sprites.append((identifier, processed_file, zorder)) return sprites @property def image(self): if not renpy.is_skipping() and self.is_stale(): hash = self._hash sprites = self.build_image(hash) sprites.sort(key=itemgetter(2)) sprites = [x[1] for x in sprites] self._image = Fixed(*sprites, fit_first=True) return self._image