68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
# Copyright (c) <2021> Side Effects Software Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. The name of Side Effects Software may not be used to endorse or
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# promote products derived from this software without specific prior
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# written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE "AS IS" AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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# NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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# OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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""" Example script that instantiates an HDA using the API and then
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setting some parameter values after instantiation but before the
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first cook.
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"""
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import unreal
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_g_wrapper = None
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def get_test_hda_path():
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return '/HoudiniEngine/Examples/hda/pig_head_subdivider_v01.pig_head_subdivider_v01'
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def get_test_hda():
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return unreal.load_object(None, get_test_hda_path())
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def on_post_instantiation(in_wrapper):
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print('on_post_instantiation')
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# in_wrapper.on_post_instantiation_delegate.remove_callable(on_post_instantiation)
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# Set some parameters to create instances and enable a material
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in_wrapper.set_bool_parameter_value('add_instances', True)
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in_wrapper.set_int_parameter_value('num_instances', 8)
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in_wrapper.set_bool_parameter_value('addshader', True)
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def run():
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# get the API singleton
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api = unreal.HoudiniPublicAPIBlueprintLib.get_api()
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global _g_wrapper
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# instantiate an asset with auto-cook enabled
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_g_wrapper = api.instantiate_asset(get_test_hda(), unreal.Transform())
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# Bind on_post_instantiation (before the first cook) callback to set parameters
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_g_wrapper.on_post_instantiation_delegate.add_callable(on_post_instantiation)
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if __name__ == '__main__':
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run()
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