diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_boolean.c')
| -rw-r--r-- | source/blender/modifiers/intern/MOD_boolean.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/source/blender/modifiers/intern/MOD_boolean.c b/source/blender/modifiers/intern/MOD_boolean.c new file mode 100644 index 00000000000..116f5ab22d2 --- /dev/null +++ b/source/blender/modifiers/intern/MOD_boolean.c @@ -0,0 +1,139 @@ +/* +* $Id$ +* +* ***** 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) 2005 by the Blender Foundation. +* All rights reserved. +* +* Contributor(s): Daniel Dunbar +* Ton Roosendaal, +* Ben Batt, +* Brecht Van Lommel, +* Campbell Barton +* +* ***** END GPL LICENSE BLOCK ***** +* +*/ + + +#include "BKE_cdderivedmesh.h" +#include "BKE_modifier.h" + +#include "depsgraph_private.h" + +#include "MOD_boolean_util.h" + + +static void copyData(ModifierData *md, ModifierData *target) +{ + BooleanModifierData *bmd = (BooleanModifierData*) md; + BooleanModifierData *tbmd = (BooleanModifierData*) target; + + tbmd->object = bmd->object; + tbmd->operation = bmd->operation; +} + +static int isDisabled(ModifierData *md, int useRenderParams) +{ + BooleanModifierData *bmd = (BooleanModifierData*) md; + + return !bmd->object; +} + +static void foreachObjectLink( + ModifierData *md, Object *ob, + void (*walk)(void *userData, Object *ob, Object **obpoin), + void *userData) +{ + BooleanModifierData *bmd = (BooleanModifierData*) md; + + walk(userData, ob, &bmd->object); +} + +static void updateDepgraph( + ModifierData *md, DagForest *forest, struct Scene *scene, Object *ob, + DagNode *obNode) +{ + BooleanModifierData *bmd = (BooleanModifierData*) md; + + if(bmd->object) { + DagNode *curNode = dag_get_node(forest, bmd->object); + + dag_add_relation(forest, curNode, obNode, + DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Boolean Modifier"); + } +} + + +static DerivedMesh *applyModifier( + ModifierData *md, Object *ob, DerivedMesh *derivedData, + int useRenderParams, int isFinalCalc) +{ + BooleanModifierData *bmd = (BooleanModifierData*) md; + DerivedMesh *dm = bmd->object->derivedFinal; + + /* we do a quick sanity check */ + if(dm && (derivedData->getNumFaces(derivedData) > 3) + && bmd->object && dm->getNumFaces(dm) > 3) { + DerivedMesh *result = NewBooleanDerivedMesh(dm, bmd->object, derivedData, ob, + 1 + bmd->operation); + + /* if new mesh returned, return it; otherwise there was + * an error, so delete the modifier object */ + if(result) + return result; + else + modifier_setError(md, "Can't execute boolean operation."); + } + + return derivedData; +} + +static CustomDataMask requiredDataMask(Object *ob, ModifierData *md) +{ + CustomDataMask dataMask = (1 << CD_MTFACE) + (1 << CD_MEDGE); + + dataMask |= (1 << CD_MDEFORMVERT); + + return dataMask; +} + + +ModifierTypeInfo modifierType_Boolean = { + /* name */ "Boolean", + /* structName */ "BooleanModifierData", + /* structSize */ sizeof(BooleanModifierData), + /* type */ eModifierTypeType_Nonconstructive, + /* flags */ eModifierTypeFlag_AcceptsMesh + | eModifierTypeFlag_UsesPointCache, + + /* copyData */ copyData, + /* deformVerts */ 0, + /* deformVertsEM */ 0, + /* deformMatricesEM */ 0, + /* applyModifier */ applyModifier, + /* applyModifierEM */ 0, + /* initData */ 0, + /* requiredDataMask */ requiredDataMask, + /* freeData */ 0, + /* isDisabled */ isDisabled, + /* updateDepgraph */ updateDepgraph, + /* dependsOnTime */ 0, + /* foreachObjectLink */ foreachObjectLink, + /* foreachIDLink */ 0, +}; |