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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) 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 *****
*
*/
/** \file blender/modifiers/intern/MOD_boolean.c
* \ingroup modifiers
*/
#include <stdio.h>
#include "DNA_object_types.h"
#include "BLI_utildefines.h"
#include "BKE_cdderivedmesh.h"
#include "BKE_modifier.h"
#include "depsgraph_private.h"
#include "MOD_boolean_util.h"
#include "MOD_util.h"
static void copyData(ModifierData *md, ModifierData *target)
{
#if 0
BooleanModifierData *bmd = (BooleanModifierData *) md;
BooleanModifierData *tbmd = (BooleanModifierData *) target;
#endif
modifier_copyData_generic(md, target);
}
static bool isDisabled(ModifierData *md, int UNUSED(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 Main *UNUSED(bmain),
struct Scene *UNUSED(scene),
Object *UNUSED(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 void updateDepsgraph(ModifierData *md,
struct Main *UNUSED(bmain),
struct Scene *UNUSED(scene),
Object *ob,
struct DepsNodeHandle *node)
{
BooleanModifierData *bmd = (BooleanModifierData *)md;
if (bmd->object != NULL) {
DEG_add_object_relation(node, bmd->object, DEG_OB_COMP_TRANSFORM, "Boolean Modifier");
DEG_add_object_relation(node, bmd->object, DEG_OB_COMP_GEOMETRY, "Boolean Modifier");
}
/* We need own transformation as well. */
DEG_add_object_relation(node, ob, DEG_OB_COMP_TRANSFORM, "Boolean Modifier");
}
#ifdef WITH_MOD_BOOLEAN
static DerivedMesh *get_quick_derivedMesh(DerivedMesh *derivedData, DerivedMesh *dm, int operation)
{
DerivedMesh *result = NULL;
if (derivedData->getNumPolys(derivedData) == 0 || dm->getNumPolys(dm) == 0) {
switch (operation) {
case eBooleanModifierOp_Intersect:
result = CDDM_new(0, 0, 0, 0, 0);
break;
case eBooleanModifierOp_Union:
if (derivedData->getNumPolys(derivedData)) result = derivedData;
else result = CDDM_copy(dm);
break;
case eBooleanModifierOp_Difference:
result = derivedData;
break;
}
}
return result;
}
static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
DerivedMesh *derivedData,
ModifierApplyFlag flag)
{
BooleanModifierData *bmd = (BooleanModifierData *) md;
DerivedMesh *dm;
if (!bmd->object)
return derivedData;
dm = get_dm_for_modifier(bmd->object, flag);
if (dm) {
DerivedMesh *result;
/* when one of objects is empty (has got no faces) we could speed up
* calculation a bit returning one of objects' derived meshes (or empty one)
* Returning mesh is depended on modifiers operation (sergey) */
result = get_quick_derivedMesh(derivedData, dm, bmd->operation);
if (result == NULL) {
// TIMEIT_START(NewBooleanDerivedMesh)
result = NewBooleanDerivedMesh(dm, bmd->object, derivedData, ob,
1 + bmd->operation);
// TIMEIT_END(NewBooleanDerivedMesh)
}
/* if new mesh returned, return it; otherwise there was
* an error, so delete the modifier object */
if (result)
return result;
else
modifier_setError(md, "Cannot execute boolean operation");
}
return derivedData;
}
#else // WITH_MOD_BOOLEAN
static DerivedMesh *applyModifier(ModifierData *UNUSED(md), Object *UNUSED(ob),
DerivedMesh *derivedData,
ModifierApplyFlag UNUSED(flag))
{
return derivedData;
}
#endif // WITH_MOD_BOOLEAN
static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *UNUSED(md))
{
CustomDataMask dataMask = CD_MASK_MTFACE | CD_MASK_MEDGE;
dataMask |= CD_MASK_MDEFORMVERT;
return dataMask;
}
ModifierTypeInfo modifierType_Boolean = {
/* name */ "Boolean",
/* structName */ "BooleanModifierData",
/* structSize */ sizeof(BooleanModifierData),
/* type */ eModifierTypeType_Nonconstructive,
/* flags */ eModifierTypeFlag_AcceptsMesh |
eModifierTypeFlag_UsesPointCache,
/* copyData */ copyData,
/* deformVerts */ NULL,
/* deformMatrices */ NULL,
/* deformVertsEM */ NULL,
/* deformMatricesEM */ NULL,
/* applyModifier */ applyModifier,
/* applyModifierEM */ NULL,
/* initData */ NULL,
/* requiredDataMask */ requiredDataMask,
/* freeData */ NULL,
/* isDisabled */ isDisabled,
/* updateDepgraph */ updateDepgraph,
/* updateDepsgraph */ updateDepsgraph,
/* dependsOnTime */ NULL,
/* dependsOnNormals */ NULL,
/* foreachObjectLink */ foreachObjectLink,
/* foreachIDLink */ NULL,
/* foreachTexLink */ NULL,
};
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