Differential D1008 Diff 3193 source/blender/modifiers/intern/MOD_particlemesher.c

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source/blender/modifiers/intern/MOD_particlemesher.c

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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 by the Blender Foundation.
				* All rights reserved.
				*
				* Contributor(s): Kevin Dietrich
				*
				* *** END GPL LICENSE BLOCK ***
				*/

				/** \file blender/modifiers/intern/MOD_particlemesher.c
				* \ingroup modifiers
				*/

				/* Particle mesher modifier: generates a mesh from a particle system */

				#include "BLI_utildefines.h"

				#include "BKE_cdderivedmesh.h"
				#include "BKE_modifier.h"
				#include "BKE_particle.h"

				#include "DNA_scene_types.h"

				#include "MOD_util.h"
				#include "MOD_openvdb_util.h"

				#include "depsgraph_private.h"
				#include "openvdb_capi.h"

				static void initData(ModifierData *md)
				{
				ParticleMesherModifierData pmmd = (ParticleMesherModifierData ) md;

				pmmd->psys = NULL;
				pmmd->mesher_mask_ob = NULL;
				pmmd->voxel_size = 0.2f;
				pmmd->min_part_radius = 1.5f;
				pmmd->half_width = 0.75f;
				pmmd->generate_trails = false;
				pmmd->part_scale_factor = 1.0f;
				pmmd->part_vel_factor = 1.0f;
				pmmd->trail_size = 1.0f;
				pmmd->adaptivity = 0.0f;
				pmmd->isovalue = 0.0f;
				pmmd->generate_mask = false;
				pmmd->mask_width = 0.0f;
				pmmd->mask_offset = 0.0f;
				pmmd->invert_mask = false;
				pmmd->ext_band = 3.0f;
				pmmd->int_band = 3.0f;
				}

				static void copyData(ModifierData md, ModifierData target)
				{
				#if 0
				ParticleMesherModifierData pmmd = (ParticleMesherModifierData ) md;
				ParticleMesherModifierData tpmmd = (ParticleMesherModifierData ) target;
				#endif

				modifier_copyData_generic(md, target);
				}

				static bool isDisabled(ModifierData *md, int useRenderParams)
				{
				ParticleMesherModifierData pmmd = (ParticleMesherModifierData ) md;

				return !pmmd->psys;

				UNUSED_VARS(useRenderParams);
				}

				static void foreachObjectLink(ModifierData md, Object ob, ObjectWalkFunc walk,
				void *userData)
				{
				ParticleMesherModifierData pmmd = (ParticleMesherModifierData ) md;

				walk(userData, ob, &pmmd->mesher_mask_ob);
				}

				static void updateDepgraph(ModifierData md, DagForest forest,
				struct Scene *scene,
				Object *ob,
				DagNode *obNode)
				{
				ParticleMesherModifierData pmmd = (ParticleMesherModifierData ) md;

				if (pmmd->mesher_mask_ob) {
				DagNode *curNode = dag_get_node(forest, pmmd->mesher_mask_ob);

				dag_add_relation(forest, curNode, obNode, DAG_RL_OB_DATA,
				"Particle Mesher Modifier");
				}

				UNUSED_VARS(scene, ob);
				}

				static DerivedMesh applyModifier(ModifierData md, Object ob, DerivedMesh dm,
				ModifierApplyFlag flag)
				{
				ParticleMesherModifierData pmmd = (ParticleMesherModifierData ) md;
				DerivedMesh result, mask_dm = NULL;

				if (pmmd->mesher_mask_ob) {
				mask_dm = get_dm_for_modifier(pmmd->mesher_mask_ob, flag);
				}

				result = NewParticleDerivedMesh(dm, ob, mask_dm, pmmd->mesher_mask_ob, pmmd, md->scene);

				if (result) {
				return result;
				}
				else {
				modifier_setError(md, "Cannot execute modifier");
				}

				return dm;
				}

				static CustomDataMask requiredDataMask(Object ob, ModifierData md)
				{
				CustomDataMask dataMask = CD_MASK_MTFACE \| CD_MASK_MEDGE;

				dataMask \|= CD_MASK_MDEFORMVERT;

				return dataMask;

				UNUSED_VARS(ob, md);
				}

				ModifierTypeInfo modifierType_ParticleMesher = {
				/* name */ "Particle Mesher",
				/* structName */ "ParticleMesherModifierData",
				/* structSize */ sizeof(ParticleMesherModifierData),
				/* type */ eModifierTypeType_Constructive,
				/* flags */ eModifierTypeFlag_AcceptsMesh \|
				eModifierTypeFlag_SupportsEditmode \|
				eModifierTypeFlag_EnableInEditmode,

				/* copyData */ copyData,
				/* deformVerts */ NULL,
				/* deformMatrices */ NULL,
				/* deformVertsEM */ NULL,
				/* deformMatricesEM */ NULL,
				/* applyModifier */ applyModifier,
				/* applyModifierEM */ NULL,
				/* initData */ initData,
				/* requiredDataMask */ requiredDataMask,
				/* freeData */ NULL,
				/* isDisabled */ isDisabled,
				/* updateDepgraph */ updateDepgraph,
				/* dependsOnTime */ NULL,
				/* dependsOnNormals */ NULL,
				/* foreachObjectLink */ foreachObjectLink,
				/* foreachIDLink */ NULL,
				/* foreachTexLink */ NULL,
				};