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LibOverride: Do not write Surface 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.
This commit is contained in:
Bastien Montagne 2022-05-16 16:55:44 +02:00
parent 5973950b2a
commit c729ddd741
1 changed files with 25 additions and 13 deletions
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38
source/blender/modifiers/intern/MOD_surfacedeform.c
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@ -1669,29 +1669,41 @@ static void panelRegister(ARegionType *region_type)
modifier_panel_register(region_type, eModifierType_SurfaceDeform, 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 SurfaceDeformModifierData *smd = (const SurfaceDeformModifierData *)md;
SurfaceDeformModifierData smd = *(const SurfaceDeformModifierData *)md;
BLO_write_struct(writer, SurfaceDeformModifierData, smd);
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. */
smd.bind_verts_num = 0;
smd.verts = NULL;
}
}
BLO_write_struct_array(writer, SDefVert, smd->bind_verts_num, smd->verts);
BLO_write_struct_at_address(writer, SurfaceDeformModifierData, md, &smd);
if (smd->verts) {
for (int i = 0; i < smd->bind_verts_num; i++) {
BLO_write_struct_array(writer, SDefBind, smd->verts[i].binds_num, smd->verts[i].binds);
if (smd.verts != NULL) {
SDefVert *bind_verts = smd.verts;
BLO_write_struct_array(writer, SDefVert, smd.bind_verts_num, bind_verts);
if (smd->verts[i].binds) {
for (int j = 0; j < smd->verts[i].binds_num; j++) {
for (int i = 0; i < smd.bind_verts_num; i++) {
BLO_write_struct_array(writer, SDefBind, bind_verts[i].binds_num, bind_verts[i].binds);
if (bind_verts[i].binds) {
for (int j = 0; j < bind_verts[i].binds_num; j++) {
BLO_write_uint32_array(
writer, smd->verts[i].binds[j].verts_num, smd->verts[i].binds[j].vert_inds);
writer, bind_verts[i].binds[j].verts_num, bind_verts[i].binds[j].vert_inds);
if (ELEM(smd->verts[i].binds[j].mode, MOD_SDEF_MODE_CENTROID, MOD_SDEF_MODE_LOOPTRI)) {
BLO_write_float3_array(writer, 1, smd->verts[i].binds[j].vert_weights);
if (ELEM(bind_verts[i].binds[j].mode, MOD_SDEF_MODE_CENTROID, MOD_SDEF_MODE_LOOPTRI)) {
BLO_write_float3_array(writer, 1, bind_verts[i].binds[j].vert_weights);
}
else {
BLO_write_float_array(
writer, smd->verts[i].binds[j].verts_num, smd->verts[i].binds[j].vert_weights);
writer, bind_verts[i].binds[j].verts_num, bind_verts[i].binds[j].vert_weights);
}
}
}