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LibOverride: Do not write Corrective Smooth modifier binding data.

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Skip writing binding data and similar for override modifiers already
present in reference linked data, as this can use a lot of space, and
is fully useless data typically since we already skip writing Mesh
geometry data itself.

Ref. T97967.
This commit is contained in:
Bastien Montagne
2022-05-16 16:53:26 +02:00
parent b66368f3fd
commit e9d7c05754
1 changed files with 16 additions and 5 deletions
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21
source/blender/modifiers/intern/MOD_correctivesmooth.c
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@@ -798,14 +798,25 @@ static void panelRegister(ARegionType *region_type)
modifier_panel_register(region_type, eModifierType_CorrectiveSmooth, panel_draw);
}
static void blendWrite(BlendWriter *writer, const ID *UNUSED(id_owner), const ModifierData *md)
static void blendWrite(BlendWriter *writer, const ID *id_owner, const ModifierData *md)
{
const CorrectiveSmoothModifierData *csmd = (const CorrectiveSmoothModifierData *)md;
CorrectiveSmoothModifierData csmd = *(const CorrectiveSmoothModifierData *)md;
BLO_write_struct(writer, CorrectiveSmoothModifierData, csmd);
if (ID_IS_OVERRIDE_LIBRARY(id_owner)) {
BLI_assert(!ID_IS_LINKED(id_owner));
const bool is_local = (md->flag & eModifierFlag_OverrideLibrary_Local) != 0;
if (!is_local) {
/* Modifier comming from linked data cannot be bound from an override, so we can remove all
* binding data, can save a sgnificant amout of memory. */
csmd.bind_coords_num = 0;
csmd.bind_coords = NULL;
}
}
if (csmd->bind_coords) {
BLO_write_float3_array(writer, csmd->bind_coords_num, (float *)csmd->bind_coords);
BLO_write_struct_at_address(writer, CorrectiveSmoothModifierData, md, &csmd);
if (csmd.bind_coords != NULL) {
BLO_write_float3_array(writer, csmd.bind_coords_num, (float *)csmd.bind_coords);
}
}