Differential D11791 Diff 40164 source/blender/blenkernel/intern/geometry_set_instances.cc

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source/blender/blenkernel/intern/geometry_set_instances.cc

Show First 20 Lines • Show All 559 Lines • ▼ Show 20 Lines	if (set.has<PointCloudComponent>()) {
totpoint += component.attribute_domain_size(ATTR_DOMAIN_POINT);		totpoint += component.attribute_domain_size(ATTR_DOMAIN_POINT);
}		}
}		}
if (totpoint == 0) {		if (totpoint == 0) {
return nullptr;		return nullptr;
}		}

PointCloud *new_pointcloud = BKE_pointcloud_new_nomain(totpoint);		PointCloud *new_pointcloud = BKE_pointcloud_new_nomain(totpoint);
		MutableSpan new_positions{(float3 *)new_pointcloud->co, new_pointcloud->totpoint};

/* Transform each instance's point locations into the new point cloud. */		/* Transform each instance's point locations into the new point cloud. */
int offset = 0;		int offset = 0;
for (const GeometryInstanceGroup &set_group : set_groups) {		for (const GeometryInstanceGroup &set_group : set_groups) {
const GeometrySet &set = set_group.geometry_set;		const GeometrySet &set = set_group.geometry_set;
const PointCloud *pointcloud = set.get_pointcloud_for_read();		const PointCloud *pointcloud = set.get_pointcloud_for_read();
if (pointcloud == nullptr) {		if (pointcloud == nullptr) {
continue;		continue;
}		}
for (const float4x4 &transform : set_group.transforms) {		for (const float4x4 &transform : set_group.transforms) {
for (const int i : IndexRange(pointcloud->totpoint)) {		for (const int i : IndexRange(pointcloud->totpoint)) {
const float3 old_position = pointcloud->co[i];		new_positions[offset + i] = transform * float3(pointcloud->co[i]);
const float3 new_position = transform * old_position;
copy_v3_v3(new_pointcloud->co[offset + i], new_position);
}		}
offset += pointcloud->totpoint;		offset += pointcloud->totpoint;
}		}
}		}

return new_pointcloud;		return new_pointcloud;
}		}

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