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patrick enfedaque 70dcc4d473 [PCG] FPCGPoint custom struct serialization to optimize size and speed
Alembic import of 562433 points 48mb file

Before this change (regular tagged property serialization of points) was generating a 413mb uasset that took 65.0 seconds to save
With this change (custom FPCGPoint structured archive serialize) generates a 161mb uasset that takes 2.4 seconds to save

Also in this change, serialize mask which skips over some members of the FPCGPoint with default values. This saves another 50mb on the test file bringing size down to 111mb and save to 1.5 seconds

#jira UE-208045
#rb Devin.Doucette, bob.tellez, huw.bowles, julien.lheureux
#rnx
#lockdown bob.tellez

[CL 32500321 by patrick enfedaque in 5.4 branch]
2024-03-26 02:59:03 -04:00
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