Differential D1008 Diff 3193 source/blender/openvdb/openvdb_intern.h

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source/blender/openvdb/openvdb_intern.h

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				/*
				* *** BEGIN GPL LICENSE BLOCK ***
				*
				* This program is free software; you can redistribute it and/or
				* modify it under the terms of the GNU General Public License
				* as published by the Free Software Foundation; either version 2
				* of the License, or (at your option) any later version.
				*
				* This program is distributed in the hope that it will be useful,
				* but WITHOUT ANY WARRANTY; without even the implied warranty of
				* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
				* GNU General Public License for more details.
				*
				* You should have received a copy of the GNU General Public License
				* along with this program; if not, write to the Free Software Foundation,
				* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
				*
				* The Original Code is Copyright (C) 2015 Blender Foundation.
				* All rights reserved.
				*
				* Contributor(s): Kevin Dietrich
				*
				* *** END GPL LICENSE BLOCK ***
				*/

				#ifndef __OPENVDB_UTIL_H__
				#define __OPENVDB_UTIL_H__

				#include <openvdb/openvdb.h>

				#include "openvdb_capi.h"

				class ParticleList;

				struct DerivedMesh;
				struct Object;
				struct ParticleMesherModifierData;
				struct ParticleSystem;
				struct Scene;

				typedef struct VDBMeshDescr {
				std::vector<openvdb::Vec3s> points;
				std::vector<openvdb::Vec3I> tris;
				std::vector<openvdb::Vec4I> polys;
				} VDBMeshDescr;

				#define DO_PRAGMA(x) _Pragma (#x)
				#define TODO(x) DO_PRAGMA(message ("TODO: " #x))

				struct LevelSetFilterSettings {
				LevelSetFilterSettings()
				: type(0)
				, accuracy(0)
				, iterations(3)
				, width(1)
				, offset(1.0f)
				{}

				short type, accuracy;
				int iterations;
				int width;
				float offset;
				};

				struct ParticlesToLevelSetSettings {
				ParticlesToLevelSetSettings()
				: voxel_size(0.2f)
				, min_part_radius(1.5f)
				, half_width(0.75f)
				, part_scale_factor(1.0f)
				, part_vel_factor(1.0f)
				, trail_size(1.0f)
				, mask_width(0.0f)
				, generate_trails(false)
				, generate_mask(false)
				{}

				float voxel_size;
				float min_part_radius;
				float half_width;
				float part_scale_factor;
				float part_vel_factor;
				float trail_size;
				float mask_width;
				bool generate_trails;
				bool generate_mask;
				};

				struct MeshToVolumeSettings {
				MeshToVolumeSettings()
				: ext_band(3.0f)
				, int_band(3.0f)
				{}

				float ext_band;
				float int_band;
				};

				struct VolumeToMeshSettings {
				VolumeToMeshSettings()
				: isovalue(0.0f)
				, adaptivity(0.0f)
				, mask_offset(0.0f)
				, invert_mask(false)
				{}

				float isovalue;
				float adaptivity;
				float mask_offset;
				bool invert_mask;
				};

				template<typename Settings>
				LevelSetFilterSettings get_level_set_filter_settings(Settings *settings);

				template<typename Settings>
				ParticlesToLevelSetSettings get_particles_level_set_settings(Settings *settings);

				template<typename Settings>
				MeshToVolumeSettings get_mesh_to_volume_settings(Settings *settings);

				template<typename Settings>
				VolumeToMeshSettings get_volume_to_mesh_settings(Settings *settings);

				ParticleList create_particle_list(Scene scene, Object ob, ParticleSystem *psys,
				openvdb::math::Transform::Ptr transform,
				float radius_scale, float velocity_scale);

				void OpenVDB_filter_level_set(openvdb::FloatGrid::Ptr level_set,
				openvdb::FloatGrid::Ptr filter_mask,
				std::vector<LevelSetFilterSettings> &settings);

				void OpenVDB_from_particles(openvdb::FloatGrid::Ptr level_set,
				openvdb::FloatGrid::Ptr mask_grid,
				const ParticlesToLevelSetSettings &settings,
				ParticleList Pa);

				openvdb::FloatGrid::Ptr OpenVDB_from_DerivedMesh(DerivedMesh *dm,
				const MeshToVolumeSettings &settings,
				openvdb::math::Transform::Ptr transform);

				DerivedMesh *OpenVDB_to_DerivedMesh(openvdb::FloatGrid::Ptr level_set,
				openvdb::FloatGrid::Ptr mask_grid,
				openvdb::math::Transform::Ptr transform,
				const VolumeToMeshSettings &settings);

				openvdb::FloatGrid::Ptr OpenVDB_from_polygons(struct VDBMeshDescr *dm,
				const MeshToVolumeSettings &settings,
				openvdb::math::Transform::Ptr transform);

				struct VDBMeshDescr *OpenVDB_to_polygons(openvdb::FloatGrid::Ptr level_set,
				openvdb::FloatGrid::Ptr mask_grid,
				openvdb::math::Transform::Ptr transform,
				const VolumeToMeshSettings &settings);

				#endif // __OPENVDB_UTIL_H__