LibOverride: Do not write Laplacian Deform modifier binding data.
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.
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@ -843,13 +843,26 @@ static void panelRegister(ARegionType *region_type)
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modifier_panel_register(region_type, eModifierType_LaplacianDeform, panel_draw);
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}
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static void blendWrite(BlendWriter *writer, const ID *UNUSED(id_owner), const ModifierData *md)
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static void blendWrite(BlendWriter *writer, const ID *id_owner, const ModifierData *md)
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{
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LaplacianDeformModifierData *lmd = (LaplacianDeformModifierData *)md;
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LaplacianDeformModifierData lmd = *(const LaplacianDeformModifierData *)md;
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BLO_write_struct(writer, LaplacianDeformModifierData, lmd);
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if (ID_IS_OVERRIDE_LIBRARY(id_owner)) {
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BLI_assert(!ID_IS_LINKED(id_owner));
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const bool is_local = (md->flag & eModifierFlag_OverrideLibrary_Local) != 0;
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if (!is_local) {
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/* Modifier comming from linked data cannot be bound from an override, so we can remove all
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* binding data, can save a sgnificant amout of memory. */
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lmd.verts_num = 0;
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lmd.vertexco = NULL;
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}
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}
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BLO_write_float3_array(writer, lmd->verts_num, lmd->vertexco);
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BLO_write_struct_at_address(writer, LaplacianDeformModifierData, md, &lmd);
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if (lmd.vertexco != NULL) {
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BLO_write_float3_array(writer, lmd.verts_num, lmd.vertexco);
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}
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}
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static void blendRead(BlendDataReader *reader, ModifierData *md)
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