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Fix #102860: crash importing a certain dae (collada) file #118751

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Philipp Oeser merged 1 commits from lichtwerk/blender:102860 into blender-v4.1-release 2024-03-01 16:31:43 +01:00
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Philipp Oeser commented 2024-02-26 15:28:09 +01:00
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There seems to not be a strict rule to only have armatures as parents to
single bones, apparently collada files can also be set up to have mesh
parents for bones. As a consequence, the collada importer
joint_parent_map is not safe to fetch objects from and assume their
data can be cast to bArmature.

Ultimately, the joint_parent_map needs to be looked at again, this
patch just avoids a crash in this scenario (so no such joints will be
iported). Still better than crashing I guess.

There seems to not be a strict rule to only have armatures as parents to single bones, apparently collada files can also be set up to have mesh parents for bones. As a consequence, the collada importer `joint_parent_map` is not safe to fetch objects from and assume their data can be cast to `bArmature`. Ultimately, the `joint_parent_map` needs to be looked at again, this patch just avoids a crash in this scenario (so no such joints will be iported). Still better than crashing I guess.
Philipp Oeser added 1 commit 2024-02-26 15:28:21 +01:00
50a452284f Fix #102860: crash importing a certain dae (collada) file 
There seems to not be a strict rule to only have armatures as parents to
single bones, apparently collada files can also be set up to have mesh
parents for bones. As a consequence, the collada importer
`joint_parent_map` is not safe to fetch objects from and assume their
data can be cast to `bArmature`.

Ultimately, the `joint_parent_map` needs to be looked at again, this
patch just avoids a crash in this scenario (so no such joints will be
iported). Still better than crashing I guess.
Philipp Oeser added this to the Pipeline, Assets & IO project 2024-02-26 15:28:49 +01:00
Philipp Oeser added the
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Philipp Oeser requested review from Gaia Clary 2024-02-26 15:29:04 +01:00
Philipp Oeser requested review from Sybren A. Stüvel 2024-02-26 15:29:10 +01:00
Philipp Oeser added the
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Sybren A. Stüvel approved these changes 2024-03-01 15:25:42 +01:00
Sybren A. Stüvel left a comment
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Thanks Philipp! I think this is fine, especially with the comment like that.

Thanks Philipp! I think this is fine, especially with the comment like that.
Philipp Oeser merged commit f880cbce93 into blender-v4.1-release 2024-03-01 16:31:43 +01:00
Philipp Oeser deleted branch 102860 2024-03-01 16:31:46 +01:00
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Reference: blender/blender#118751
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