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SoftBody: share point cache between CoW copies

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This is the same approach as 98a0bcd425
applied to soft body simulation. In short, CoW copies share the point cache,
and treat it as read-only except when the depsgraph is active.
This commit is contained in:
Sybren A. Stüvel
2018-07-04 11:22:15 +02:00
parent 9e4d667c2c
commit 769c57b38a
9 changed files with 76 additions and 18 deletions
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8
source/blender/blenloader/intern/writefile.c
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@@ -1816,9 +1816,13 @@ static void write_object(WriteData *wd, Object *ob)
write_motionpath(wd, ob->mpath);
writestruct(wd, DATA, PartDeflect, 1, ob->pd);
writestruct(wd, DATA, SoftBody, 1, ob->soft);
if (ob->soft) {
write_pointcaches(wd, &ob->soft->ptcaches);
/* Set deprecated pointers to prevent crashes of older Blenders */
ob->soft->pointcache = ob->soft->shared->pointcache;
ob->soft->ptcaches = ob->soft->shared->ptcaches;
writestruct(wd, DATA, SoftBody, 1, ob->soft);
writestruct(wd, DATA, SoftBody_Shared, 1, ob->soft->shared);
write_pointcaches(wd, &(ob->soft->shared->ptcaches));
writestruct(wd, DATA, EffectorWeights, 1, ob->soft->effector_weights);
}