Clément Foucault
b0b9e746fa
Straightforward port. I took the oportunity to remove some C vector functions (ex: copy_v2_v2). This makes some changes to DRWView to accomodate the alignement requirements of the float4x4 type.
49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include "BLI_math_matrix_types.hh"
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#include "BKE_geometry_set.hh"
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namespace blender::bke {
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/**
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* \note This doesn't extract instances from the "dupli" system for non-geometry-nodes instances.
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*/
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GeometrySet object_get_evaluated_geometry_set(const Object &object);
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/**
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* Used to keep track of a group of instances using the same geometry data.
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*/
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struct GeometryInstanceGroup {
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/**
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* The geometry set instanced on each of the transforms. The components are not necessarily
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* owned here. For example, they may be owned by the instanced object. This cannot be a
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* reference because not all instanced data will necessarily have a #geometry_set_eval.
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*/
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GeometrySet geometry_set;
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/**
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* As an optimization to avoid copying, the same geometry set can be associated with multiple
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* instances. Each instance is stored as a transform matrix here. Again, these must be owned
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* because they may be transformed from the original data. TODO: Validate that last statement.
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*/
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Vector<float4x4> transforms;
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};
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/**
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* Return flattened vector of the geometry component's recursive instances. I.e. all collection
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* instances and object instances will be expanded into the instances of their geometry components.
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* Even the instances in those geometry components' will be included.
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*
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* \note For convenience (to avoid duplication in the caller), the returned vector also contains
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* the argument geometry set.
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*
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* \note This doesn't extract instances from the "dupli" system for non-geometry-nodes instances.
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*/
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void geometry_set_gather_instances(const GeometrySet &geometry_set,
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Vector<GeometryInstanceGroup> &r_instance_groups);
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} // namespace blender::bke
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