GEO_mesh_to_volume.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "BLI_bounds_types.hh"
#include "BLI_function_ref.hh"
#include "BLI_math_matrix_types.hh"
#include "BLI_math_vector_types.hh"
#include "BLI_span.hh"
#include "BLI_string_ref.hh"
 
#include "DNA_modifier_types.h"
 
#include "BKE_volume_grid_fwd.hh"
 
struct Depsgraph;
struct Volume;

 
namespace blender::geometry {
 
struct MeshToVolumeResolution {
  MeshToVolumeModifierResolutionMode mode;
  union {
    float voxel_size;
    float voxel_amount;
  } settings;
};
 
#ifdef WITH_OPENVDB

float volume_compute_voxel_size(const Depsgraph *depsgraph,
                                FunctionRef<Bounds<float3>()> bounds_fn,
                                MeshToVolumeResolution resolution,
                                float exterior_band_width,
                                const float4x4 &transform);
bke::VolumeGridData *fog_volume_grid_add_from_mesh(Volume *volume,
                                                   StringRefNull name,
                                                   Span<float3> positions,
                                                   Span<int> corner_verts,
                                                   Span<int3> corner_tris,
                                                   const float4x4 &mesh_to_volume_space_transform,
                                                   float voxel_size,
                                                   float interior_band_width,
                                                   float density);
 
bke::VolumeGrid<float> mesh_to_density_grid(const Span<float3> positions,
                                            const Span<int> corner_verts,
                                            const Span<int3> corner_tris,
                                            const float voxel_size,
                                            const float interior_band_width,
                                            const float density);
 
bke::VolumeGrid<float> mesh_to_sdf_grid(Span<float3> positions,
                                        Span<int> corner_verts,
                                        Span<int3> corner_tris,
                                        float voxel_size,
                                        float half_band_width);
 
#endif
}  // namespace blender::geometry