54 lines
1.6 KiB
Plaintext
54 lines
1.6 KiB
Plaintext
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## Adjust Attributes ###########################################################
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##
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## This is a special configuration value which can be used to easily create
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## shorthand for layered images. This code is adapted slightly from Ren'Py Tom's
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## article on the topic:
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## https://patreon.renpy.org/dev-2021-04.html#adjust-attribute-example
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##
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## You can learn more about config.adjust_attributes here:
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## https://www.renpy.org/doc/html/config.html#var-config.adjust_attributes
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##
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## As per usual, if you do not need it, you may freely remove this file.
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##
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init -100 python:
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class Aliases(object):
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"""
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Expands attributes into other attributes.
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"""
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def __init__(self, **aliases):
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# A map from an attribute name to a tuple of
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# attributes it expands to.
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self.aliases = { }
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for k, v in aliases.items():
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self.aliases[k] = tuple(v.split())
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def __call__(self, name):
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# The image tag
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rv = [ name[0] ]
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# The remaining attributes
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for i in name[1:]:
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## Also remove the provided attributes, if negated
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if i.startswith("-"):
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prefix = "-"
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i = i[1:]
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else:
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prefix = ""
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for attr in self.aliases.get(i, ( i, )):
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rv.append(prefix + attr)
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# Turn the results back into a tuple
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return tuple(rv)
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## A possible use case:
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# define config.adjust_attributes['eileen'] = Aliases(
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# happy="eyes_happy mouth_happy",
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# concerned="eyes_concerned mouth_concerned",
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# )
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