Differential D12997 Diff 43989 source/blender/blenkernel/BKE_volume_to_mesh.hh

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source/blender/blenkernel/BKE_volume_to_mesh.hh

	/*			/*
	* This program is free software; you can redistribute it and/or			* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License			* modify it under the terms of the GNU General Public License
	* as published by the Free Software Foundation; either version 2			* as published by the Free Software Foundation; either version 2
	* of the License, or (at your option) any later version.			* of the License, or (at your option) any later version.
	*			*
	* This program is distributed in the hope that it will be useful,			* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of			* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.			* GNU General Public License for more details.
	*			*
	* You should have received a copy of the GNU General Public License			* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software Foundation,			* along with this program; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.			* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	*/			*/

				#include "BLI_span.hh"

	#include "DNA_modifier_types.h"			#include "DNA_modifier_types.h"

	#ifdef WITH_OPENVDB			#ifdef WITH_OPENVDB
	# include <openvdb/openvdb.h>			# include <openvdb/openvdb.h>
	#endif			#endif

	struct Mesh;			struct Mesh;

	namespace blender::bke {			namespace blender::bke {

	struct VolumeToMeshResolution {			struct VolumeToMeshResolution {
	VolumeToMeshResolutionMode mode;			VolumeToMeshResolutionMode mode;
	union {			union {
	float voxel_size;			float voxel_size;
	float voxel_amount;			float voxel_amount;
	} settings;			} settings;
	};			};

	#ifdef WITH_OPENVDB			#ifdef WITH_OPENVDB

				/**
				* The result of converting a volume grid to mesh data, in the format used by the OpenVDB API.
				*/
				struct OpenVDBMeshData {
				std::vector<openvdb::Vec3s> verts;
				std::vector<openvdb::Vec3I> tris;
				std::vector<openvdb::Vec4I> quads;
				bool is_empty() const
				{
				return verts.empty();
				}
				};

	struct Mesh *volume_to_mesh(const openvdb::GridBase &grid,			struct Mesh *volume_to_mesh(const openvdb::GridBase &grid,
	const VolumeToMeshResolution &resolution,			const VolumeToMeshResolution &resolution,
	const float threshold,			const float threshold,
	const float adaptivity);			const float adaptivity);

				struct OpenVDBMeshData volume_to_mesh_data(const openvdb::GridBase &grid,
				const VolumeToMeshResolution &resolution,
				const float threshold,
				const float adaptivity);

				void fill_mesh_from_openvdb_data(const Span<openvdb::Vec3s> vdb_verts,
				const Span<openvdb::Vec3I> vdb_tris,
				const Span<openvdb::Vec4I> vdb_quads,
				const int vert_offset,
				const int poly_offset,
				const int loop_offset,
				MutableSpan<MVert> verts,
				MutableSpan<MPoly> polys,
				MutableSpan<MLoop> loops);

	#endif			#endif

	} // namespace blender::bke			} // namespace blender::bke