Cool_Tools/bemaniutils
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Slightly better IFS extraction and shape documentation, given my understanding of the relationship between the two.

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This commit is contained in:
Jennifer Taylor 2021-04-15 23:16:03 +00:00
parent 520181785d
commit db36298f22
2 changed files with 36 additions and 12 deletions
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8
bemani/format/afp/geo.py
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@ -15,10 +15,14 @@ class Shape:
self.name = name
self.data = data
# Vertex points outlining this shape.
# Vertex points outlining this shape. These are in pixels and the rectangle they outline
# should match the size of the texture in pixels.
self.vertex_points: List[Point] = []
# Texture points, as used alongside vertex chunks when the shape contains a texture.
# Texture points, as used alongside vertex chunks when the shape contains a texture. These
# are in floating points that when multiplied by the width and height of the original
# texture sheet that the texture was taken from (multiplied by two), should match the uvrect
# of the texture exactly.
self.tex_points: List[Point] = []
# Colors for texture points, if they exist in the file.

40
bemani/format/ifs.py
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@ -22,7 +22,8 @@ class IFS:
self.__files: Dict[str, bytes] = {}
self.__formats: Dict[str, str] = {}
self.__compressed: Dict[str, bool] = {}
self.__sizes: Dict[str, Tuple[int, int]] = {}
self.__imgsize: Dict[str, Tuple[int, int, int, int]] = {}
self.__uvsize: Dict[str, Tuple[int, int, int, int]] = {}
self.__decode_binxml = decode_binxml
self.__decode_textures = decode_textures
self.__parse_file(data)
@ -141,9 +142,19 @@ class IFS:
rect = subchild.child_value('imgrect')
if rect is not None:
self.__sizes[newname] = (
(rect[1] - rect[0]) // 2,
(rect[3] - rect[2]) // 2,
self.__imgsize[newname] = (
rect[0] // 2,
rect[1] // 2,
rect[2] // 2,
rect[3] // 2,
)
rect = subchild.child_value('uvrect')
if rect is not None:
self.__uvsize[newname] = (
rect[0] // 2,
rect[1] // 2,
rect[2] // 2,
rect[3] // 2,
)
elif abs_filename.endswith("/afplist.xml"):
# This is a texture index.
@ -212,18 +223,27 @@ class IFS:
if filexml is not None:
filedata = str(filexml).encode('utf-8')
if self.__decode_textures and filename in self.__formats and filename in self.__sizes:
if self.__decode_textures and filename in self.__formats and filename in self.__imgsize and filename in self.__uvsize:
fmt = self.__formats[filename]
wh = self.__sizes[filename]
img = self.__imgsize[filename]
crop = self.__uvsize[filename]
# Decode the image data itself.
if fmt == "argb8888rev":
if len(filedata) < (wh[0] * wh[1] * 4):
left = (wh[0] * wh[1] * 4) - len(filedata)
width = img[1] - img[0]
height = img[3] - img[2]
if len(filedata) < (width * height * 4):
left = (width * height * 4) - len(filedata)
filedata = filedata + b'\x00' * left
img = Image.frombytes('RGBA', wh, filedata, 'raw', 'BGRA')
png = Image.frombytes('RGBA', (width, height), filedata, 'raw', 'BGRA')
png = png.crop((
crop[0] - img[0],
crop[2] - img[2],
crop[1] - img[0],
crop[3] - img[2],
))
b = io.BytesIO()
img.save(b, format='PNG')
png.save(b, format='PNG')
filedata = b.getvalue()
return filedata