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Booleans: Should work with modifier stack now. Please report (new) problems. Thanks

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This commit is contained in:
Daniel Genrich 2009-04-19 17:47:09 +00:00
parent 6bc162e679
commit 904483c96c
5 changed files with 100 additions and 67 deletions
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4
source/blender/blenkernel/BKE_bad_level_calls.h
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@ -160,8 +160,8 @@ void bglEnd(void);
struct Object;
/* booleanops.c */
struct DerivedMesh *NewBooleanDerivedMesh(struct Object *ob,
struct Object *ob_select, int int_op_type);
struct DerivedMesh *NewBooleanDerivedMesh(struct DerivedMesh *dm, struct Object *ob, struct DerivedMesh *dm_select, struct Object *ob_select,
int int_op_type);
/* verse_*.c */
struct VerseVert;

5
source/blender/blenkernel/BKE_booleanops.h
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@ -42,8 +42,7 @@ int NewBooleanMesh(struct Base *base, struct Base *base_select, int op);
/* Performs a boolean between two mesh objects, it is assumed that both objects
are in fact mesh object. On success returns a DerivedMesh. On failure
returns NULL and reports an error. */
struct DerivedMesh *NewBooleanDerivedMesh(struct Object *ob,
struct Object *ob_select,
int op);
struct DerivedMesh *NewBooleanDerivedMesh(struct DerivedMesh *dm, struct Object *ob, struct DerivedMesh *dm_select, struct Object *ob_select,
int int_op_type);
#endif

3
source/blender/blenkernel/bad_level_call_stubs/stubs.c
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@ -240,7 +240,8 @@ void bglVertex3f(float x, float y, float z) {}
void bglEnd(void) {}
/* booleanops.c */
struct DerivedMesh *NewBooleanDerivedMesh(struct Object *ob, struct Object *ob_select, int int_op_type) { return 0; }
struct DerivedMesh *NewBooleanDerivedMesh(struct DerivedMesh *dm, struct Object *ob, struct DerivedMesh *dm_select, struct Object *ob_select,
int int_op_type) { return 0; }
/* LOD_decimation.cpp */
int LOD_LoadMesh(struct LOD_Decimation_Info* info) { return 0;};

33
source/blender/blenkernel/intern/modifier.c
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@ -6140,22 +6140,44 @@ static DerivedMesh *booleanModifier_applyModifier(
{
// XXX doesn't handle derived data
BooleanModifierData *bmd = (BooleanModifierData*) md;
DerivedMesh *dm = mesh_get_derived_final(bmd->object, CD_MASK_BAREMESH);
/* we do a quick sanity check */
if(((Mesh *)ob->data)->totface > 3
&& bmd->object && ((Mesh *)bmd->object->data)->totface > 3) {
DerivedMesh *result = NewBooleanDerivedMesh(bmd->object, ob,
if(derivedData->getNumFaces(derivedData) > 3
&& bmd->object && dm->getNumFaces(dm) > 3) {
DerivedMesh *result = NewBooleanDerivedMesh(dm, bmd->object, derivedData, ob,
1 + bmd->operation);
if(dm)
dm->release(dm);
/* if new mesh returned, return it; otherwise there was
* an error, so delete the modifier object */
if(result)
return result;
else
bmd->object = NULL;
}
}
if(dm)
dm->release(dm);
return derivedData;
return derivedData;
}
CustomDataMask booleanModifier_requiredDataMask(ModifierData *md)
{
CustomDataMask dataMask = (1 << CD_MTFACE) + (1 << CD_MEDGE);
dataMask |= (1 << CD_MDEFORMVERT);
/* particles only need this if they are after a non deform modifier, and
* the modifier stack will only create them in that case. */
// dataMask |= CD_MASK_ORIGSPACE;
// dataMask |= CD_MASK_ORCO;
return dataMask;
}
/* Particles */
@ -8311,6 +8333,7 @@ ModifierTypeInfo *modifierType_getInfo(ModifierType type)
mti->applyModifier = booleanModifier_applyModifier;
mti->foreachObjectLink = booleanModifier_foreachObjectLink;
mti->updateDepgraph = booleanModifier_updateDepgraph;
mti->requiredDataMask = booleanModifier_requiredDataMask;
mti = INIT_TYPE(MeshDeform);
mti->type = eModifierTypeType_OnlyDeform;

122
source/blender/src/booleanops.c
View File

@ -68,7 +68,7 @@
*/
typedef struct {
Mesh *mesh;
DerivedMesh *dm;
Object *ob;
int pos;
} VertexIt;
@ -96,13 +96,13 @@ static void VertexIt_Destruct(CSG_VertexIteratorDescriptor * iterator)
static int VertexIt_Done(CSG_IteratorPtr it)
{
VertexIt * iterator = (VertexIt *)it;
return(iterator->pos >= iterator->mesh->totvert);
return(iterator->pos >= iterator->dm->getNumVerts(iterator->dm));
}
static void VertexIt_Fill(CSG_IteratorPtr it, CSG_IVertex *vert)
{
VertexIt * iterator = (VertexIt *)it;
MVert *verts = iterator->mesh->mvert;
MVert *verts = iterator->dm->getVertArray(iterator->dm);
float global_pos[3];
@ -130,7 +130,7 @@ static void VertexIt_Reset(CSG_IteratorPtr it)
iterator->pos = 0;
}
static void VertexIt_Construct(CSG_VertexIteratorDescriptor *output, Object *ob)
static void VertexIt_Construct(CSG_VertexIteratorDescriptor *output, DerivedMesh *dm, Object *ob)
{
VertexIt *it;
@ -142,8 +142,8 @@ static void VertexIt_Construct(CSG_VertexIteratorDescriptor *output, Object *ob)
return;
}
// assign blender specific variables
it->ob = ob;
it->mesh = ob->data;
it->dm = dm;
it->ob = ob; // needed for obmat transformations
it->pos = 0;
@ -152,7 +152,7 @@ static void VertexIt_Construct(CSG_VertexIteratorDescriptor *output, Object *ob)
output->Fill = VertexIt_Fill;
output->Done = VertexIt_Done;
output->Reset = VertexIt_Reset;
output->num_elements = it->mesh->totvert;
output->num_elements = it->dm->getNumVerts(it->dm);
output->it = it;
}
@ -161,7 +161,7 @@ static void VertexIt_Construct(CSG_VertexIteratorDescriptor *output, Object *ob)
*/
typedef struct {
Mesh *mesh;
DerivedMesh *dm;
int pos;
int offset;
} FaceIt;
@ -180,14 +180,14 @@ static int FaceIt_Done(CSG_IteratorPtr it)
{
// assume CSG_IteratorPtr is of the correct type.
FaceIt * iterator = (FaceIt *)it;
return(iterator->pos >= iterator->mesh->totface);
return(iterator->pos >= iterator->dm->getNumFaces(iterator->dm));
}
static void FaceIt_Fill(CSG_IteratorPtr it, CSG_IFace *face)
{
// assume CSG_IteratorPtr is of the correct type.
FaceIt *face_it = (FaceIt *)it;
MFace *mfaces = face_it->mesh->mface;
MFace *mfaces = face_it->dm->getFaceArray(face_it->dm);
MFace *mface = &mfaces[face_it->pos];
face->vertex_index[0] = mface->v1;
@ -216,7 +216,7 @@ static void FaceIt_Reset(CSG_IteratorPtr it)
}
static void FaceIt_Construct(
CSG_FaceIteratorDescriptor *output, Object *ob, int offset)
CSG_FaceIteratorDescriptor *output, DerivedMesh *dm, int offset)
{
FaceIt *it;
if (output == 0) return;
@ -227,7 +227,7 @@ static void FaceIt_Construct(
return ;
}
// assign blender specific variables
it->mesh = ob->data;
it->dm = dm;
it->offset = offset;
it->pos = 0;
@ -236,7 +236,7 @@ static void FaceIt_Construct(
output->Fill = FaceIt_Fill;
output->Done = FaceIt_Done;
output->Reset = FaceIt_Reset;
output->num_elements = it->mesh->totface;
output->num_elements = it->dm->getNumFaces(it->dm);
output->it = it;
}
@ -280,7 +280,7 @@ static Object *AddNewBlenderMesh(Base *base)
}
static void InterpCSGFace(
DerivedMesh *dm, Mesh *orig_me, int index, int orig_index, int nr,
DerivedMesh *dm, DerivedMesh *orig_dm, int index, int orig_index, int nr,
float mapmat[][4])
{
float obco[3], *co[4], *orig_co[4], w[4][4];
@ -288,13 +288,13 @@ static void InterpCSGFace(
int j;
mface = CDDM_get_face(dm, index);
orig_mface = orig_me->mface + orig_index;
orig_mface = orig_dm->getFaceArray(orig_dm) + orig_index;
// get the vertex coordinates from the original mesh
orig_co[0] = (orig_me->mvert + orig_mface->v1)->co;
orig_co[1] = (orig_me->mvert + orig_mface->v2)->co;
orig_co[2] = (orig_me->mvert + orig_mface->v3)->co;
orig_co[3] = (orig_mface->v4)? (orig_me->mvert + orig_mface->v4)->co: NULL;
orig_co[0] = (orig_dm->getVertArray(orig_dm) + orig_mface->v1)->co;
orig_co[1] = (orig_dm->getVertArray(orig_dm) + orig_mface->v2)->co;
orig_co[2] = (orig_dm->getVertArray(orig_dm) + orig_mface->v3)->co;
orig_co[3] = (orig_mface->v4)? (orig_dm->getVertArray(orig_dm) + orig_mface->v4)->co: NULL;
// get the vertex coordinates from the new derivedmesh
co[0] = CDDM_get_vert(dm, mface->v1)->co;
@ -312,7 +312,7 @@ static void InterpCSGFace(
InterpWeightsQ3Dfl(orig_co[0], orig_co[1], orig_co[2], orig_co[3], obco, w[j]);
}
CustomData_interp(&orig_me->fdata, &dm->faceData, &orig_index, NULL, (float*)w, 1, index);
CustomData_interp(&orig_dm->faceData, &dm->faceData, &orig_index, NULL, (float*)w, 1, index);
}
/* Iterate over the CSG Output Descriptors and create a new DerivedMesh
@ -324,27 +324,28 @@ static DerivedMesh *ConvertCSGDescriptorsToDerivedMesh(
float mapmat[][4],
Material **mat,
int *totmat,
DerivedMesh *dm1,
Object *ob1,
DerivedMesh *dm2,
Object *ob2)
{
DerivedMesh *dm;
DerivedMesh *result, *orig_dm;
GHash *material_hash = NULL;
Mesh *me1= (Mesh*)ob1->data;
Mesh *me2= (Mesh*)ob2->data;
int i;
// create a new DerivedMesh
dm = CDDM_new(vertex_it->num_elements, 0, face_it->num_elements);
CustomData_merge(&me1->fdata, &dm->faceData, CD_MASK_DERIVEDMESH,
CD_DEFAULT, face_it->num_elements);
CustomData_merge(&me2->fdata, &dm->faceData, CD_MASK_DERIVEDMESH,
CD_DEFAULT, face_it->num_elements);
result = CDDM_new(vertex_it->num_elements, 0, face_it->num_elements);
CustomData_merge(&dm1->faceData, &result->faceData, CD_MASK_DERIVEDMESH,
CD_DEFAULT, face_it->num_elements);
CustomData_merge(&dm2->faceData, &result->faceData, CD_MASK_DERIVEDMESH,
CD_DEFAULT, face_it->num_elements);
// step through the vertex iterators:
for (i = 0; !vertex_it->Done(vertex_it->it); i++) {
CSG_IVertex csgvert;
MVert *mvert = CDDM_get_vert(dm, i);
MVert *mvert = CDDM_get_vert(result, i);
// retrieve a csg vertex from the boolean module
vertex_it->Fill(vertex_it->it, &csgvert);
@ -375,15 +376,16 @@ static DerivedMesh *ConvertCSGDescriptorsToDerivedMesh(
face_it->Step(face_it->it);
// find the original mesh and data
orig_ob = (csgface.orig_face < me1->totface)? ob1: ob2;
orig_ob = (csgface.orig_face < dm1->getNumFaces(dm1))? ob1: ob2;
orig_dm = (csgface.orig_face < dm1->getNumFaces(dm1))? dm1: dm2;
orig_me = (orig_ob == ob1)? me1: me2;
orig_index = (orig_ob == ob1)? csgface.orig_face: csgface.orig_face - me1->totface;
orig_index = (orig_ob == ob1)? csgface.orig_face: csgface.orig_face - dm1->getNumFaces(dm1);
// copy all face layers, including mface
CustomData_copy_data(&orig_me->fdata, &dm->faceData, orig_index, i, 1);
CustomData_copy_data(&orig_dm->faceData, &result->faceData, orig_index, i, 1);
// set mface
mface = CDDM_get_face(dm, i);
mface = CDDM_get_face(result, i);
mface->v1 = csgface.vertex_index[0];
mface->v2 = csgface.vertex_index[1];
mface->v3 = csgface.vertex_index[2];
@ -404,29 +406,30 @@ static DerivedMesh *ConvertCSGDescriptorsToDerivedMesh(
else
mface->mat_nr = 0;
InterpCSGFace(dm, orig_me, i, orig_index, csgface.vertex_number,
InterpCSGFace(result, orig_dm, i, orig_index, csgface.vertex_number,
(orig_me == me2)? mapmat: NULL);
test_index_face(mface, &dm->faceData, i, csgface.vertex_number);
test_index_face(mface, &result->faceData, i, csgface.vertex_number);
}
if (material_hash)
BLI_ghash_free(material_hash, NULL, NULL);
CDDM_calc_edges(dm);
CDDM_calc_normals(dm);
CDDM_calc_edges(result);
CDDM_calc_normals(result);
return dm;
return result;
}
static void BuildMeshDescriptors(
struct DerivedMesh *dm,
struct Object *ob,
int face_offset,
struct CSG_FaceIteratorDescriptor * face_it,
struct CSG_VertexIteratorDescriptor * vertex_it)
{
VertexIt_Construct(vertex_it,ob);
FaceIt_Construct(face_it,ob,face_offset);
VertexIt_Construct(vertex_it,dm, ob);
FaceIt_Construct(face_it,dm,face_offset);
}
static void FreeMeshDescriptors(
@ -438,19 +441,17 @@ static void FreeMeshDescriptors(
}
DerivedMesh *NewBooleanDerivedMesh_intern(
struct Object *ob, struct Object *ob_select,
DerivedMesh *dm, struct Object *ob, DerivedMesh *dm_select, struct Object *ob_select,
int int_op_type, Material **mat, int *totmat)
{
float inv_mat[4][4];
float map_mat[4][4];
DerivedMesh *dm = NULL;
Mesh *me1 = get_mesh(ob_select);
Mesh *me2 = get_mesh(ob);
DerivedMesh *result = NULL;
if (me1 == NULL || me2 == NULL) return 0;
if (!me1->totface || !me2->totface) return 0;
if (dm == NULL || dm_select == NULL) return 0;
if (!dm->getNumFaces(dm) || !dm_select->getNumFaces(dm_select)) return 0;
// we map the final object back into ob's local coordinate space. For this
// we need to compute the inverse transform from global to ob (inv_mat),
@ -481,8 +482,8 @@ DerivedMesh *NewBooleanDerivedMesh_intern(
default : op_type = e_csg_intersection;
}
BuildMeshDescriptors(ob_select, 0, &fd_1, &vd_1);
BuildMeshDescriptors(ob, me1->totface, &fd_2, &vd_2);
BuildMeshDescriptors(dm_select, ob_select, 0, &fd_1, &vd_1);
BuildMeshDescriptors(dm, ob, dm_select->getNumFaces(dm_select) , &fd_2, &vd_2);
bool_op = CSG_NewBooleanFunction();
@ -496,8 +497,8 @@ DerivedMesh *NewBooleanDerivedMesh_intern(
// iterate through results of operation and insert
// into new object
dm = ConvertCSGDescriptorsToDerivedMesh(
&fd_o, &vd_o, inv_mat, map_mat, mat, totmat, ob_select, ob);
result = ConvertCSGDescriptorsToDerivedMesh(
&fd_o, &vd_o, inv_mat, map_mat, mat, totmat, dm_select, ob_select, dm, ob);
// free up the memory
CSG_FreeVertexDescriptor(&vd_o);
@ -512,7 +513,7 @@ DerivedMesh *NewBooleanDerivedMesh_intern(
FreeMeshDescriptors(&fd_2, &vd_2);
}
return dm;
return result;
}
int NewBooleanMesh(Base *base, Base *base_select, int int_op_type)
@ -521,24 +522,30 @@ int NewBooleanMesh(Base *base, Base *base_select, int int_op_type)
int a, maxmat, totmat= 0;
Object *ob_new, *ob, *ob_select;
Material **mat;
DerivedMesh *result;
DerivedMesh *dm_select;
DerivedMesh *dm;
ob= base->object;
ob_select= base_select->object;
dm = mesh_get_derived_final(ob, CD_MASK_BAREMESH);
dm_select = mesh_create_derived_view(ob_select, 0); // no modifiers in editmode ??
maxmat= ob->totcol + ob_select->totcol;
mat= (Material**)MEM_mallocN(sizeof(Material*)*maxmat, "NewBooleanMeshMat");
/* put some checks in for nice user feedback */
if((!(get_mesh(ob)->totface)) || (!(get_mesh(ob_select)->totface)))
if (dm == NULL || dm_select == NULL) return 0;
if (!dm->getNumFaces(dm) || !dm_select->getNumFaces(dm_select)) return 0;
{
MEM_freeN(mat);
return -1;
}
dm= NewBooleanDerivedMesh_intern(ob, ob_select, int_op_type, mat, &totmat);
result= NewBooleanDerivedMesh_intern(dm, ob, dm_select, ob_select, int_op_type, mat, &totmat);
if (dm == NULL) {
if (result == NULL) {
MEM_freeN(mat);
return 0;
}
@ -547,8 +554,11 @@ int NewBooleanMesh(Base *base, Base *base_select, int int_op_type)
ob_new= AddNewBlenderMesh(base_select);
me_new= ob_new->data;
DM_to_mesh(dm, me_new);
DM_to_mesh(result, me_new);
result->release(result);
dm->release(dm);
dm_select->release(dm_select);
/* add materials to object */
for (a = 0; a < totmat; a++)
@ -562,9 +572,9 @@ int NewBooleanMesh(Base *base, Base *base_select, int int_op_type)
return 1;
}
DerivedMesh *NewBooleanDerivedMesh(struct Object *ob, struct Object *ob_select,
DerivedMesh *NewBooleanDerivedMesh(DerivedMesh *dm, struct Object *ob, DerivedMesh *dm_select, struct Object *ob_select,
int int_op_type)
{
return NewBooleanDerivedMesh_intern(ob, ob_select, int_op_type, NULL, NULL);
return NewBooleanDerivedMesh_intern(dm, ob, dm_select, ob_select, int_op_type, NULL, NULL);
}