/* result written in vec and mat */
void curve_deform_vector(Scene *scene, Object *cuOb, Object *target,
float orco[3], float vec[3], float mat[][3], int no_rot_axis)
{
CurveDeform cd;
float quat[4];
if (cuOb->type != OB_CURVE) {
unit_m3(mat);
return;
}
init_curve_deform(cuOb, target, &cd);
cd.no_rot_axis = no_rot_axis; /* option to only rotate for XY, for example */
copy_v3_v3(cd.dmin, orco);
copy_v3_v3(cd.dmax, orco);
mul_m4_v3(cd.curvespace, vec);
if (calc_curve_deform(scene, cuOb, vec, target->trackflag, &cd, quat)) {
float qmat[3][3];
quat_to_mat3(qmat, quat);
mul_m3_m3m3(mat, qmat, cd.objectspace3);
}
else
unit_m3(mat);
mul_m4_v3(cd.objectspace, vec);
}
void crazyspace_build_sculpt(Scene *scene, Object *ob, float (**deformmats)[3][3], float (**deformcos)[3])
{
int totleft= sculpt_get_first_deform_matrices(scene, ob, deformmats, deformcos);
if(totleft) {
/* there are deformation modifier which doesn't support deformation matricies
calculation. Need additional crazyspace correction */
float (*deformedVerts)[3]= *deformcos;
float (*origVerts)[3]= MEM_dupallocN(deformedVerts);
float *quats= NULL;
int i, deformed= 0;
ModifierData *md= modifiers_getVirtualModifierList(ob);
Mesh *me= (Mesh*)ob->data;
for(; md; md= md->next) {
ModifierTypeInfo *mti= modifierType_getInfo(md->type);
if(!modifier_isEnabled(scene, md, eModifierMode_Realtime)) continue;
if(mti->type==eModifierTypeType_OnlyDeform) {
/* skip leading modifiers which have been already
handled in sculpt_get_first_deform_matrices */
if(mti->deformMatrices && !deformed)
continue;
mti->deformVerts(md, ob, NULL, deformedVerts, me->totvert, 0, 0);
deformed= 1;
}
}
quats= MEM_mallocN(me->totvert*sizeof(float)*4, "crazy quats");
crazyspace_set_quats_mesh(me, (float*)origVerts, (float*)deformedVerts, quats);
for(i=0; i<me->totvert; i++) {
float qmat[3][3], tmat[3][3];
quat_to_mat3(qmat, &quats[i*4]);
mul_m3_m3m3(tmat, qmat, (*deformmats)[i]);
copy_m3_m3((*deformmats)[i], tmat);
}
MEM_freeN(origVerts);
MEM_freeN(quats);
}
if(!*deformmats) {
int a, numVerts;
Mesh *me= (Mesh*)ob->data;
*deformcos= mesh_getVertexCos(me, &numVerts);
*deformmats= MEM_callocN(sizeof(*(*deformmats))*numVerts, "defmats");
for(a=0; a<numVerts; a++)
unit_m3((*deformmats)[a]);
}
}
static PyObject *Quaternion_to_matrix(QuaternionObject *self)
{
float mat[9]; /* all values are set */
if (BaseMath_ReadCallback(self) == -1)
return NULL;
quat_to_mat3((float (*)[3])mat, self->quat);
return Matrix_CreatePyObject(mat, 3, 3, Py_NEW, NULL);
}
static void vertex_dupli__mapFunc(void *userData, int index, const float co[3],
const float no_f[3], const short no_s[3])
{
DupliObject *dob;
vertexDupliData *vdd= userData;
float vec[3], q2[4], mat[3][3], tmat[4][4], obmat[4][4];
int origlay;
mul_v3_m4v3(vec, vdd->pmat, co);
sub_v3_v3(vec, vdd->pmat[3]);
add_v3_v3(vec, vdd->obmat[3]);
copy_m4_m4(obmat, vdd->obmat);
copy_v3_v3(obmat[3], vec);
if (vdd->par->transflag & OB_DUPLIROT) {
if (no_f) {
vec[0]= -no_f[0]; vec[1]= -no_f[1]; vec[2]= -no_f[2];
}
else if (no_s) {
vec[0]= -no_s[0]; vec[1]= -no_s[1]; vec[2]= -no_s[2];
}
vec_to_quat( q2,vec, vdd->ob->trackflag, vdd->ob->upflag);
quat_to_mat3( mat,q2);
copy_m4_m4(tmat, obmat);
mul_m4_m4m3(obmat, tmat, mat);
}
origlay = vdd->ob->lay;
dob= new_dupli_object(vdd->lb, vdd->ob, obmat, vdd->par->lay, index, OB_DUPLIVERTS, vdd->animated);
/* restore the original layer so that each dupli will have proper dob->origlay */
vdd->ob->lay = origlay;
if (vdd->orco)
copy_v3_v3(dob->orco, vdd->orco[index]);
if (vdd->ob->transflag & OB_DUPLI) {
float tmpmat[4][4];
copy_m4_m4(tmpmat, vdd->ob->obmat);
copy_m4_m4(vdd->ob->obmat, obmat); /* pretend we are really this mat */
object_duplilist_recursive((ID *)vdd->id, vdd->scene, vdd->ob, vdd->lb, obmat, vdd->level+1, vdd->animated);
copy_m4_m4(vdd->ob->obmat, tmpmat);
}
}
int mathutils_any_to_rotmat(float rmat[3][3], PyObject *value, const char *error_prefix)
{
if (EulerObject_Check(value)) {
if (BaseMath_ReadCallback((BaseMathObject *)value) == -1) {
return -1;
}
else {
eulO_to_mat3(rmat, ((EulerObject *)value)->eul, ((EulerObject *)value)->order);
return 0;
}
}
else if (QuaternionObject_Check(value)) {
if (BaseMath_ReadCallback((BaseMathObject *)value) == -1) {
return -1;
}
else {
float tquat[4];
normalize_qt_qt(tquat, ((QuaternionObject *)value)->quat);
quat_to_mat3(rmat, tquat);
return 0;
}
}
else if (MatrixObject_Check(value)) {
if (BaseMath_ReadCallback((BaseMathObject *)value) == -1) {
return -1;
}
else if (((MatrixObject *)value)->num_row < 3 || ((MatrixObject *)value)->num_col < 3) {
PyErr_Format(
PyExc_ValueError, "%.200s: matrix must have minimum 3x3 dimensions", error_prefix);
return -1;
}
else {
matrix_as_3x3(rmat, (MatrixObject *)value);
normalize_m3(rmat);
return 0;
}
}
else {
PyErr_Format(PyExc_TypeError,
"%.200s: expected a Euler, Quaternion or Matrix type, "
"found %.200s",
error_prefix,
Py_TYPE(value)->tp_name);
return -1;
}
}
/* Meta object density, brute force for now
* (might be good enough anyway, don't need huge number of metaobs to model volumetric objects */
static float metadensity(Object *ob, const float co[3])
{
float mat[4][4], imat[4][4], dens = 0.f;
MetaBall *mb = (MetaBall *)ob->data;
MetaElem *ml;
/* transform co to meta-element */
float tco[3] = {co[0], co[1], co[2]};
mult_m4_m4m4(mat, R.viewmat, ob->obmat);
invert_m4_m4(imat, mat);
mul_m4_v3(imat, tco);
for (ml = mb->elems.first; ml; ml = ml->next) {
float bmat[3][3], dist2;
/* element rotation transform */
float tp[3] = {ml->x - tco[0], ml->y - tco[1], ml->z - tco[2]};
quat_to_mat3(bmat, ml->quat);
transpose_m3(bmat); /* rot.only, so inverse == transpose */
mul_m3_v3(bmat, tp);
/* MB_BALL default */
switch (ml->type) {
case MB_ELIPSOID:
tp[0] /= ml->expx, tp[1] /= ml->expy, tp[2] /= ml->expz;
break;
case MB_CUBE:
tp[2] = (tp[2] > ml->expz) ? (tp[2] - ml->expz) : ((tp[2] < -ml->expz) ? (tp[2] + ml->expz) : 0.f);
/* no break, xy as plane */
case MB_PLANE:
tp[1] = (tp[1] > ml->expy) ? (tp[1] - ml->expy) : ((tp[1] < -ml->expy) ? (tp[1] + ml->expy) : 0.f);
/* no break, x as tube */
case MB_TUBE:
tp[0] = (tp[0] > ml->expx) ? (tp[0] - ml->expx) : ((tp[0] < -ml->expx) ? (tp[0] + ml->expx) : 0.f);
}
/* ml->rad2 is not set */
dist2 = 1.0f - (dot_v3v3(tp, tp) / (ml->rad * ml->rad));
if (dist2 > 0.f)
dens += (ml->flag & MB_NEGATIVE) ? -ml->s * dist2 * dist2 * dist2 : ml->s * dist2 * dist2 * dist2;
}
dens -= mb->thresh;
return (dens < 0.f) ? 0.f : dens;
}
static PyObject *Quaternion_to_euler(QuaternionObject *self, PyObject *args)
{
float tquat[4];
float eul[3];
const char *order_str = NULL;
short order = EULER_ORDER_XYZ;
EulerObject *eul_compat = NULL;
if (!PyArg_ParseTuple(args, "|sO!:to_euler", &order_str, &euler_Type, &eul_compat))
return NULL;
if (BaseMath_ReadCallback(self) == -1)
return NULL;
if (order_str) {
order = euler_order_from_string(order_str, "Matrix.to_euler()");
if (order == -1)
return NULL;
}
normalize_qt_qt(tquat, self->quat);
if (eul_compat) {
float mat[3][3];
if (BaseMath_ReadCallback(eul_compat) == -1)
return NULL;
quat_to_mat3(mat, tquat);
if (order == EULER_ORDER_XYZ) mat3_to_compatible_eul(eul, eul_compat->eul, mat);
else mat3_to_compatible_eulO(eul, eul_compat->eul, order, mat);
}
else {
if (order == EULER_ORDER_XYZ) quat_to_eul(eul, tquat);
else quat_to_eulO(eul, order, tquat);
}
return Euler_CreatePyObject(eul, order, Py_NEW, NULL);
}
static PyObject *Quaternion_rotate(QuaternionObject *self, PyObject *value)
{
float self_rmat[3][3], other_rmat[3][3], rmat[3][3];
float tquat[4], length;
if (BaseMath_ReadCallback(self) == -1)
return NULL;
if (mathutils_any_to_rotmat(other_rmat, value, "Quaternion.rotate(value)") == -1)
return NULL;
length = normalize_qt_qt(tquat, self->quat);
quat_to_mat3(self_rmat, tquat);
mul_m3_m3m3(rmat, other_rmat, self_rmat);
mat3_to_quat(self->quat, rmat);
mul_qt_fl(self->quat, length); /* maintain length after rotating */
(void)BaseMath_WriteCallback(self);
Py_RETURN_NONE;
}
/* called from within the core BKE_pose_where_is loop, all animsystems and constraints
* were executed & assigned. Now as last we do an IK pass */
static void execute_posetree(struct Scene *scene, Object *ob, PoseTree *tree)
{
float R_parmat[3][3], identity[3][3];
float iR_parmat[3][3];
float R_bonemat[3][3];
float goalrot[3][3], goalpos[3];
float rootmat[4][4], imat[4][4];
float goal[4][4], goalinv[4][4];
float irest_basis[3][3], full_basis[3][3];
float end_pose[4][4], world_pose[4][4];
float length, basis[3][3], rest_basis[3][3], start[3], *ikstretch = NULL;
float resultinf = 0.0f;
int a, flag, hasstretch = 0, resultblend = 0;
bPoseChannel *pchan;
IK_Segment *seg, *parent, **iktree, *iktarget;
IK_Solver *solver;
PoseTarget *target;
bKinematicConstraint *data, *poleangledata = NULL;
Bone *bone;
if (tree->totchannel == 0)
return;
iktree = MEM_mallocN(sizeof(void *) * tree->totchannel, "ik tree");
for (a = 0; a < tree->totchannel; a++) {
pchan = tree->pchan[a];
bone = pchan->bone;
/* set DoF flag */
flag = 0;
if (!(pchan->ikflag & BONE_IK_NO_XDOF) && !(pchan->ikflag & BONE_IK_NO_XDOF_TEMP))
flag |= IK_XDOF;
if (!(pchan->ikflag & BONE_IK_NO_YDOF) && !(pchan->ikflag & BONE_IK_NO_YDOF_TEMP))
flag |= IK_YDOF;
if (!(pchan->ikflag & BONE_IK_NO_ZDOF) && !(pchan->ikflag & BONE_IK_NO_ZDOF_TEMP))
flag |= IK_ZDOF;
if (tree->stretch && (pchan->ikstretch > 0.0f)) {
flag |= IK_TRANS_YDOF;
hasstretch = 1;
}
seg = iktree[a] = IK_CreateSegment(flag);
/* find parent */
if (a == 0)
parent = NULL;
else
parent = iktree[tree->parent[a]];
IK_SetParent(seg, parent);
/* get the matrix that transforms from prevbone into this bone */
copy_m3_m4(R_bonemat, pchan->pose_mat);
/* gather transformations for this IK segment */
if (pchan->parent)
copy_m3_m4(R_parmat, pchan->parent->pose_mat);
else
unit_m3(R_parmat);
/* bone offset */
if (pchan->parent && (a > 0))
sub_v3_v3v3(start, pchan->pose_head, pchan->parent->pose_tail);
else
/* only root bone (a = 0) has no parent */
start[0] = start[1] = start[2] = 0.0f;
/* change length based on bone size */
length = bone->length * len_v3(R_bonemat[1]);
/* compute rest basis and its inverse */
copy_m3_m3(rest_basis, bone->bone_mat);
copy_m3_m3(irest_basis, bone->bone_mat);
transpose_m3(irest_basis);
/* compute basis with rest_basis removed */
invert_m3_m3(iR_parmat, R_parmat);
mul_m3_m3m3(full_basis, iR_parmat, R_bonemat);
mul_m3_m3m3(basis, irest_basis, full_basis);
/* basis must be pure rotation */
normalize_m3(basis);
/* transform offset into local bone space */
normalize_m3(iR_parmat);
mul_m3_v3(iR_parmat, start);
IK_SetTransform(seg, start, rest_basis, basis, length);
if (pchan->ikflag & BONE_IK_XLIMIT)
IK_SetLimit(seg, IK_X, pchan->limitmin[0], pchan->limitmax[0]);
if (pchan->ikflag & BONE_IK_YLIMIT)
IK_SetLimit(seg, IK_Y, pchan->limitmin[1], pchan->limitmax[1]);
if (pchan->ikflag & BONE_IK_ZLIMIT)
IK_SetLimit(seg, IK_Z, pchan->limitmin[2], pchan->limitmax[2]);
IK_SetStiffness(seg, IK_X, pchan->stiffness[0]);
IK_SetStiffness(seg, IK_Y, pchan->stiffness[1]);
IK_SetStiffness(seg, IK_Z, pchan->stiffness[2]);
if (tree->stretch && (pchan->ikstretch > 0.0f)) {
const float ikstretch = pchan->ikstretch * pchan->ikstretch;
/* this function does its own clamping */
IK_SetStiffness(seg, IK_TRANS_Y, 1.0f - ikstretch);
IK_SetLimit(seg, IK_TRANS_Y, IK_STRETCH_STIFF_MIN, IK_STRETCH_STIFF_MAX);
}
}
solver = IK_CreateSolver(iktree[0]);
/* set solver goals */
/* first set the goal inverse transform, assuming the root of tree was done ok! */
pchan = tree->pchan[0];
if (pchan->parent) {
/* transform goal by parent mat, so this rotation is not part of the
* segment's basis. otherwise rotation limits do not work on the
* local transform of the segment itself. */
copy_m4_m4(rootmat, pchan->parent->pose_mat);
/* However, we do not want to get (i.e. reverse) parent's scale, as it generates [#31008]
* kind of nasty bugs... */
normalize_m4(rootmat);
}
else
unit_m4(rootmat);
copy_v3_v3(rootmat[3], pchan->pose_head);
mul_m4_m4m4(imat, ob->obmat, rootmat);
invert_m4_m4(goalinv, imat);
for (target = tree->targets.first; target; target = target->next) {
float polepos[3];
int poleconstrain = 0;
data = (bKinematicConstraint *)target->con->data;
/* 1.0=ctime, we pass on object for auto-ik (owner-type here is object, even though
* strictly speaking, it is a posechannel)
*/
BKE_constraint_target_matrix_get(scene, target->con, 0, CONSTRAINT_OBTYPE_OBJECT, ob, rootmat, 1.0);
/* and set and transform goal */
mul_m4_m4m4(goal, goalinv, rootmat);
copy_v3_v3(goalpos, goal[3]);
copy_m3_m4(goalrot, goal);
normalize_m3(goalrot);
/* same for pole vector target */
if (data->poletar) {
BKE_constraint_target_matrix_get(scene, target->con, 1, CONSTRAINT_OBTYPE_OBJECT, ob, rootmat, 1.0);
if (data->flag & CONSTRAINT_IK_SETANGLE) {
/* don't solve IK when we are setting the pole angle */
break;
}
else {
mul_m4_m4m4(goal, goalinv, rootmat);
copy_v3_v3(polepos, goal[3]);
poleconstrain = 1;
/* for pole targets, we blend the result of the ik solver
* instead of the target position, otherwise we can't get
* a smooth transition */
resultblend = 1;
resultinf = target->con->enforce;
if (data->flag & CONSTRAINT_IK_GETANGLE) {
poleangledata = data;
data->flag &= ~CONSTRAINT_IK_GETANGLE;
}
}
}
/* do we need blending? */
if (!resultblend && target->con->enforce != 1.0f) {
float q1[4], q2[4], q[4];
float fac = target->con->enforce;
float mfac = 1.0f - fac;
pchan = tree->pchan[target->tip];
/* end effector in world space */
copy_m4_m4(end_pose, pchan->pose_mat);
copy_v3_v3(end_pose[3], pchan->pose_tail);
mul_serie_m4(world_pose, goalinv, ob->obmat, end_pose, NULL, NULL, NULL, NULL, NULL);
/* blend position */
goalpos[0] = fac * goalpos[0] + mfac * world_pose[3][0];
goalpos[1] = fac * goalpos[1] + mfac * world_pose[3][1];
goalpos[2] = fac * goalpos[2] + mfac * world_pose[3][2];
/* blend rotation */
mat3_to_quat(q1, goalrot);
mat4_to_quat(q2, world_pose);
interp_qt_qtqt(q, q1, q2, mfac);
quat_to_mat3(goalrot, q);
}
iktarget = iktree[target->tip];
if ((data->flag & CONSTRAINT_IK_POS) && data->weight != 0.0f) {
if (poleconstrain)
IK_SolverSetPoleVectorConstraint(solver, iktarget, goalpos,
polepos, data->poleangle, (poleangledata == data));
IK_SolverAddGoal(solver, iktarget, goalpos, data->weight);
}
if ((data->flag & CONSTRAINT_IK_ROT) && (data->orientweight != 0.0f))
if ((data->flag & CONSTRAINT_IK_AUTO) == 0)
IK_SolverAddGoalOrientation(solver, iktarget, goalrot,
data->orientweight);
}
/* solve */
IK_Solve(solver, 0.0f, tree->iterations);
if (poleangledata)
poleangledata->poleangle = IK_SolverGetPoleAngle(solver);
IK_FreeSolver(solver);
/* gather basis changes */
tree->basis_change = MEM_mallocN(sizeof(float[3][3]) * tree->totchannel, "ik basis change");
if (hasstretch)
ikstretch = MEM_mallocN(sizeof(float) * tree->totchannel, "ik stretch");
for (a = 0; a < tree->totchannel; a++) {
IK_GetBasisChange(iktree[a], tree->basis_change[a]);
if (hasstretch) {
/* have to compensate for scaling received from parent */
float parentstretch, stretch;
pchan = tree->pchan[a];
parentstretch = (tree->parent[a] >= 0) ? ikstretch[tree->parent[a]] : 1.0f;
if (tree->stretch && (pchan->ikstretch > 0.0f)) {
float trans[3], length;
IK_GetTranslationChange(iktree[a], trans);
length = pchan->bone->length * len_v3(pchan->pose_mat[1]);
ikstretch[a] = (length == 0.0f) ? 1.0f : (trans[1] + length) / length;
}
else
ikstretch[a] = 1.0;
stretch = (parentstretch == 0.0f) ? 1.0f : ikstretch[a] / parentstretch;
mul_v3_fl(tree->basis_change[a][0], stretch);
mul_v3_fl(tree->basis_change[a][1], stretch);
mul_v3_fl(tree->basis_change[a][2], stretch);
}
if (resultblend && resultinf != 1.0f) {
unit_m3(identity);
blend_m3_m3m3(tree->basis_change[a], identity,
tree->basis_change[a], resultinf);
}
IK_FreeSegment(iktree[a]);
}
MEM_freeN(iktree);
if (ikstretch) MEM_freeN(ikstretch);
}
static void face_duplilist(ListBase *lb, ID *id, Scene *scene, Object *par, float par_space_mat[][4], int level, int animated)
{
Object *ob, *ob_iter;
Base *base = NULL;
DupliObject *dob;
DerivedMesh *dm;
Mesh *me= par->data;
MLoopUV *mloopuv;
MPoly *mpoly, *mp;
MLoop *mloop;
MVert *mvert;
float pmat[4][4], imat[3][3], (*orco)[3] = NULL, w;
int lay, oblay, totface, a;
Scene *sce = NULL;
Group *group = NULL;
GroupObject *go = NULL;
BMEditMesh *em;
float ob__obmat[4][4]; /* needed for groups where the object matrix needs to be modified */
/* simple preventing of too deep nested groups */
if (level>MAX_DUPLI_RECUR) return;
copy_m4_m4(pmat, par->obmat);
em = me->edit_btmesh;
if (em) {
dm= editbmesh_get_derived_cage(scene, par, em, CD_MASK_BAREMESH);
}
else {
dm = mesh_get_derived_deform(scene, par, CD_MASK_BAREMESH);
}
totface= dm->getNumPolys(dm);
mpoly= dm->getPolyArray(dm);
mloop= dm->getLoopArray(dm);
mvert= dm->getVertArray(dm);
if (G.rendering) {
orco= (float(*)[3])get_mesh_orco_verts(par);
transform_mesh_orco_verts(me, orco, me->totvert, 0);
mloopuv= me->mloopuv;
}
else {
orco= NULL;
mloopuv= NULL;
}
/* having to loop on scene OR group objects is NOT FUN */
if (GS(id->name) == ID_SCE) {
sce = (Scene *)id;
lay= sce->lay;
base= sce->base.first;
}
else {
group = (Group *)id;
lay= group->layer;
go = group->gobject.first;
}
/* Start looping on Scene OR Group objects */
while (base || go) {
if (sce) {
ob_iter= base->object;
oblay = base->lay;
}
else {
ob_iter= go->ob;
oblay = ob_iter->lay;
}
if (lay & oblay && scene->obedit!=ob_iter) {
ob=ob_iter->parent;
while (ob) {
if (ob==par) {
ob = ob_iter;
/* End Scene/Group object loop, below is generic */
/* par_space_mat - only used for groups so we can modify the space dupli's are in
* when par_space_mat is NULL ob->obmat can be used instead of ob__obmat
*/
if (par_space_mat)
mult_m4_m4m4(ob__obmat, par_space_mat, ob->obmat);
else
copy_m4_m4(ob__obmat, ob->obmat);
copy_m3_m4(imat, ob->parentinv);
/* mballs have a different dupli handling */
if (ob->type!=OB_MBALL) ob->flag |= OB_DONE; /* doesnt render */
for (a=0, mp= mpoly; a<totface; a++, mp++) {
int mv1;
int mv2;
int mv3;
/* int mv4; */ /* UNUSED */
float *v1;
float *v2;
float *v3;
/* float *v4; */ /* UNUSED */
float cent[3], quat[4], mat[3][3], mat3[3][3], tmat[4][4], obmat[4][4];
MLoop *loopstart= mloop + mp->loopstart;
if (mp->totloop < 3) {
/* highly unlikely but to be safe */
continue;
}
else {
v1= mvert[(mv1= loopstart[0].v)].co;
v2= mvert[(mv2= loopstart[1].v)].co;
v3= mvert[(mv3= loopstart[2].v)].co;
#if 0
if (mp->totloop > 3) {
v4= mvert[(mv4= loopstart[3].v)].co;
}
#endif
}
/* translation */
mesh_calc_poly_center(mp, loopstart, mvert, cent);
mul_m4_v3(pmat, cent);
sub_v3_v3v3(cent, cent, pmat[3]);
add_v3_v3(cent, ob__obmat[3]);
copy_m4_m4(obmat, ob__obmat);
copy_v3_v3(obmat[3], cent);
/* rotation */
tri_to_quat( quat,v1, v2, v3);
quat_to_mat3( mat,quat);
/* scale */
if (par->transflag & OB_DUPLIFACES_SCALE) {
float size= mesh_calc_poly_area(mp, loopstart, mvert, NULL);
size= sqrtf(size) * par->dupfacesca;
mul_m3_fl(mat, size);
}
copy_m3_m3(mat3, mat);
mul_m3_m3m3(mat, imat, mat3);
copy_m4_m4(tmat, obmat);
mul_m4_m4m3(obmat, tmat, mat);
dob= new_dupli_object(lb, ob, obmat, par->lay, a, OB_DUPLIFACES, animated);
if (G.rendering) {
w= 1.0f / (float)mp->totloop;
if (orco) {
int j;
for (j = 0; j < mpoly->totloop; j++) {
madd_v3_v3fl(dob->orco, orco[loopstart[j].v], w);
}
}
if (mloopuv) {
int j;
for (j = 0; j < mpoly->totloop; j++) {
madd_v2_v2fl(dob->orco, mloopuv[loopstart[j].v].uv, w);
}
}
}
if (ob->transflag & OB_DUPLI) {
float tmpmat[4][4];
copy_m4_m4(tmpmat, ob->obmat);
copy_m4_m4(ob->obmat, obmat); /* pretend we are really this mat */
object_duplilist_recursive((ID *)id, scene, ob, lb, ob->obmat, level+1, animated);
copy_m4_m4(ob->obmat, tmpmat);
}
}
break;
}
ob= ob->parent;
}
}
if (sce) base= base->next; /* scene loop */
else go= go->next; /* group loop */
}
if (orco)
MEM_freeN(orco);
dm->release(dm);
}
static int dupli_extrude_cursor(bContext *C, wmOperator *op, wmEvent *event)
{
ViewContext vc;
EditVert *eve;
float min[3], max[3];
int done= 0;
short use_proj;
em_setup_viewcontext(C, &vc);
use_proj= (vc.scene->toolsettings->snap_flag & SCE_SNAP) && (vc.scene->toolsettings->snap_mode==SCE_SNAP_MODE_FACE);
invert_m4_m4(vc.obedit->imat, vc.obedit->obmat);
INIT_MINMAX(min, max);
for(eve= vc.em->verts.first; eve; eve= eve->next) {
if(eve->f & SELECT) {
DO_MINMAX(eve->co, min, max);
done= 1;
}
}
/* call extrude? */
if(done) {
const short rot_src= RNA_boolean_get(op->ptr, "rotate_source");
EditEdge *eed;
float vec[3], cent[3], mat[3][3];
float nor[3]= {0.0, 0.0, 0.0};
/* 2D normal calc */
float mval_f[2];
mval_f[0]= (float)event->mval[0];
mval_f[1]= (float)event->mval[1];
done= 0;
/* calculate the normal for selected edges */
for(eed= vc.em->edges.first; eed; eed= eed->next) {
if(eed->f & SELECT) {
float co1[3], co2[3];
mul_v3_m4v3(co1, vc.obedit->obmat, eed->v1->co);
mul_v3_m4v3(co2, vc.obedit->obmat, eed->v2->co);
project_float_noclip(vc.ar, co1, co1);
project_float_noclip(vc.ar, co2, co2);
/* 2D rotate by 90d while adding.
* (x, y) = (y, -x)
*
* accumulate the screenspace normal in 2D,
* with screenspace edge length weighting the result. */
if(line_point_side_v2(co1, co2, mval_f) >= 0.0f) {
nor[0] += (co1[1] - co2[1]);
nor[1] += -(co1[0] - co2[0]);
}
else {
nor[0] += (co2[1] - co1[1]);
nor[1] += -(co2[0] - co1[0]);
}
done= 1;
}
}
if(done) {
float view_vec[3], cross[3];
/* convert the 2D nomal into 3D */
mul_mat3_m4_v3(vc.rv3d->viewinv, nor); /* worldspace */
mul_mat3_m4_v3(vc.obedit->imat, nor); /* local space */
/* correct the normal to be aligned on the view plane */
copy_v3_v3(view_vec, vc.rv3d->viewinv[2]);
mul_mat3_m4_v3(vc.obedit->imat, view_vec);
cross_v3_v3v3(cross, nor, view_vec);
cross_v3_v3v3(nor, view_vec, cross);
normalize_v3(nor);
}
/* center */
mid_v3_v3v3(cent, min, max);
copy_v3_v3(min, cent);
mul_m4_v3(vc.obedit->obmat, min); // view space
view3d_get_view_aligned_coordinate(&vc, min, event->mval, TRUE);
mul_m4_v3(vc.obedit->imat, min); // back in object space
sub_v3_v3(min, cent);
/* calculate rotation */
unit_m3(mat);
if(done) {
float dot;
copy_v3_v3(vec, min);
normalize_v3(vec);
dot= dot_v3v3(vec, nor);
if( fabs(dot)<0.999) {
float cross[3], si, q1[4];
cross_v3_v3v3(cross, nor, vec);
normalize_v3(cross);
dot= 0.5f*saacos(dot);
/* halve the rotation if its applied twice */
if(rot_src) dot *= 0.5f;
si= (float)sin(dot);
q1[0]= (float)cos(dot);
q1[1]= cross[0]*si;
q1[2]= cross[1]*si;
q1[3]= cross[2]*si;
quat_to_mat3( mat,q1);
}
}
if(rot_src) {
rotateflag(vc.em, SELECT, cent, mat);
/* also project the source, for retopo workflow */
if(use_proj)
EM_project_snap_verts(C, vc.ar, vc.obedit, vc.em);
}
extrudeflag(vc.obedit, vc.em, SELECT, nor, 0);
rotateflag(vc.em, SELECT, cent, mat);
translateflag(vc.em, SELECT, min);
recalc_editnormals(vc.em);
}
else if(vc.em->selectmode & SCE_SELECT_VERTEX) {
float imat[4][4];
const float *curs= give_cursor(vc.scene, vc.v3d);
copy_v3_v3(min, curs);
view3d_get_view_aligned_coordinate(&vc, min, event->mval, TRUE);
eve= addvertlist(vc.em, 0, NULL);
invert_m4_m4(imat, vc.obedit->obmat);
mul_v3_m4v3(eve->co, imat, min);
eve->f= SELECT;
}
if(use_proj)
EM_project_snap_verts(C, vc.ar, vc.obedit, vc.em);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, vc.obedit->data);
DAG_id_tag_update(vc.obedit->data, 0);
return OPERATOR_FINISHED;
}
static void make_prim(Object *obedit, int type, float mat[4][4], int tot, int seg,
int subdiv, float dia, float depth, int ext, int fill)
{
/*
* type - for the type of shape
* dia - the radius for cone,sphere cylinder etc.
* depth -
* ext - extrude
* fill - end capping, and option to fill in circle
* cent[3] - center of the data.
* */
EditMesh *em= BKE_mesh_get_editmesh(((Mesh *)obedit->data));
EditVert *eve, *v1=NULL, *v2, *v3, *v4=NULL, *vtop, *vdown;
float phi, phid, vec[3];
float q[4], cmat[3][3], nor[3]= {0.0, 0.0, 0.0};
short a, b;
EM_clear_flag_all(em, SELECT);
phid= 2.0f*(float)M_PI/tot;
phi= .25f*(float)M_PI;
switch(type) {
case PRIM_GRID: /* grid */
/* clear flags */
eve= em->verts.first;
while(eve) {
eve->f= 0;
eve= eve->next;
}
/* one segment first: the X axis */
phi = (2*dia)/(float)(tot-1);
phid = (2*dia)/(float)(seg-1);
for(a=tot-1;a>=0;a--) {
vec[0] = (phi*a) - dia;
vec[1]= - dia;
vec[2]= 0.0f;
eve= addvertlist(em, vec, NULL);
eve->f= 1+2+4;
if(a < tot -1) addedgelist(em, eve->prev, eve, NULL);
}
/* extrude and translate */
vec[0]= vec[2]= 0.0;
vec[1]= phid;
for(a=0;a<seg-1;a++) {
extrudeflag_vert(obedit, em, 2, nor, 0); // nor unused
translateflag(em, 2, vec);
}
/* and now do imat */
eve= em->verts.first;
while(eve) {
if(eve->f & SELECT) {
mul_m4_v3(mat,eve->co);
}
eve= eve->next;
}
recalc_editnormals(em);
break;
case PRIM_UVSPHERE: /* UVsphere */
/* clear all flags */
eve= em->verts.first;
while(eve) {
eve->f= 0;
eve= eve->next;
}
/* one segment first */
phi= 0;
phid/=2;
for(a=0; a<=tot; a++) {
vec[0]= dia*sinf(phi);
vec[1]= 0.0;
vec[2]= dia*cosf(phi);
eve= addvertlist(em, vec, NULL);
eve->f= 1+2+4;
if(a==0) v1= eve;
else addedgelist(em, eve, eve->prev, NULL);
phi+= phid;
}
/* extrude and rotate */
phi= M_PI/seg;
q[0]= cos(phi);
q[3]= sin(phi);
q[1]=q[2]= 0;
quat_to_mat3( cmat,q);
for(a=0; a<seg; a++) {
extrudeflag_vert(obedit, em, 2, nor, 0); // nor unused
rotateflag(em, 2, v1->co, cmat);
}
removedoublesflag(em, 4, 0, 0.0001);
/* and now do imat */
eve= em->verts.first;
while(eve) {
if(eve->f & SELECT) {
mul_m4_v3(mat,eve->co);
}
eve= eve->next;
}
recalc_editnormals(em);
break;
case PRIM_ICOSPHERE: /* Icosphere */
{
EditVert *eva[12];
EditEdge *eed;
/* clear all flags */
eve= em->verts.first;
while(eve) {
eve->f= 0;
eve= eve->next;
}
dia/=200;
for(a=0;a<12;a++) {
vec[0]= dia*icovert[a][0];
vec[1]= dia*icovert[a][1];
vec[2]= dia*icovert[a][2];
eva[a]= addvertlist(em, vec, NULL);
eva[a]->f= 1+2;
}
for(a=0;a<20;a++) {
EditFace *evtemp;
v1= eva[ icoface[a][0] ];
v2= eva[ icoface[a][1] ];
v3= eva[ icoface[a][2] ];
evtemp = addfacelist(em, v1, v2, v3, 0, NULL, NULL);
evtemp->e1->f = 1+2;
evtemp->e2->f = 1+2;
evtemp->e3->f = 1+2;
}
dia*=200;
for(a=1; a<subdiv; a++) esubdivideflag(obedit, em, 2, dia, 0, B_SPHERE,1, SUBDIV_CORNER_PATH, 0);
/* and now do imat */
eve= em->verts.first;
while(eve) {
if(eve->f & 2) {
mul_m4_v3(mat,eve->co);
}
eve= eve->next;
}
// Clear the flag 2 from the edges
for(eed=em->edges.first;eed;eed=eed->next){
if(eed->f & 2){
eed->f &= !2;
}
}
}
break;
case PRIM_MONKEY: /* Monkey */
{
//extern int monkeyo, monkeynv, monkeynf;
//extern signed char monkeyf[][4];
//extern signed char monkeyv[][3];
EditVert **tv= MEM_mallocN(sizeof(*tv)*monkeynv*2, "tv");
int i;
for (i=0; i<monkeynv; i++) {
float v[3];
v[0]= (monkeyv[i][0]+127)/128.0, v[1]= monkeyv[i][1]/128.0, v[2]= monkeyv[i][2]/128.0;
tv[i]= addvertlist(em, v, NULL);
tv[i]->f |= SELECT;
tv[monkeynv+i]= (fabs(v[0]= -v[0])<0.001)?tv[i]:addvertlist(em, v, NULL);
tv[monkeynv+i]->f |= SELECT;
}
for (i=0; i<monkeynf; i++) {
addfacelist(em, tv[monkeyf[i][0]+i-monkeyo], tv[monkeyf[i][1]+i-monkeyo], tv[monkeyf[i][2]+i-monkeyo], (monkeyf[i][3]!=monkeyf[i][2])?tv[monkeyf[i][3]+i-monkeyo]:NULL, NULL, NULL);
addfacelist(em, tv[monkeynv+monkeyf[i][2]+i-monkeyo], tv[monkeynv+monkeyf[i][1]+i-monkeyo], tv[monkeynv+monkeyf[i][0]+i-monkeyo], (monkeyf[i][3]!=monkeyf[i][2])?tv[monkeynv+monkeyf[i][3]+i-monkeyo]:NULL, NULL, NULL);
}
MEM_freeN(tv);
/* and now do imat */
for(eve= em->verts.first; eve; eve= eve->next) {
if(eve->f & SELECT) {
mul_m4_v3(mat,eve->co);
}
}
recalc_editnormals(em);
}
break;
default: /* all types except grid, sphere... */
if(type==PRIM_CONE);
else if(ext==0)
depth= 0.0f;
/* first vertex at 0° for circular objects */
if( ELEM3(type, PRIM_CIRCLE,PRIM_CYLINDER,PRIM_CONE) )
phi = 0.0f;
vtop= vdown= v1= v2= 0;
for(b=0; b<=ext; b++) {
for(a=0; a<tot; a++) {
vec[0]= dia*sinf(phi);
vec[1]= dia*cosf(phi);
vec[2]= b?depth:-depth;
mul_m4_v3(mat, vec);
eve= addvertlist(em, vec, NULL);
eve->f= SELECT;
if(a==0) {
if(b==0) v1= eve;
else v2= eve;
}
phi+=phid;
}
}
/* center vertices */
/* type PRIM_CONE can only have 1 one side filled
* if the cone has no capping, dont add vtop */
if(type == PRIM_CONE || (fill && !ELEM(type, PRIM_PLANE, PRIM_CUBE))) {
vec[0]= vec[1]= 0.0f;
vec[2]= type==PRIM_CONE ? depth : -depth;
mul_m4_v3(mat, vec);
vdown= addvertlist(em, vec, NULL);
if((ext || type==PRIM_CONE) && fill) {
vec[0]= vec[1]= 0.0f;
vec[2]= type==PRIM_CONE ? -depth : depth;
mul_m4_v3(mat,vec);
vtop= addvertlist(em, vec, NULL);
}
} else {
vdown= v1;
vtop= v2;
}
if(vtop) vtop->f= SELECT;
if(vdown) vdown->f= SELECT;
/* top and bottom face */
if(fill || type==PRIM_CONE) {
if(tot==4 && ELEM(type, PRIM_PLANE, PRIM_CUBE)) {
v3= v1->next->next;
if(ext) v4= v2->next->next;
addfacelist(em, v3, v1->next, v1, v3->next, NULL, NULL);
if(ext) addfacelist(em, v2, v2->next, v4, v4->next, NULL, NULL);
}
else {
v3= v1;
v4= v2;
for(a=1; a<tot; a++) {
addfacelist(em, vdown, v3, v3->next, 0, NULL, NULL);
v3= v3->next;
if(ext && fill) {
addfacelist(em, vtop, v4, v4->next, 0, NULL, NULL);
v4= v4->next;
}
}
if(!ELEM(type, PRIM_PLANE, PRIM_CUBE)) {
addfacelist(em, vdown, v3, v1, 0, NULL, NULL);
if(ext) addfacelist(em, vtop, v4, v2, 0, NULL, NULL);
}
}
}
else if(type==PRIM_CIRCLE) { /* we need edges for a circle */
v3= v1;
for(a=1;a<tot;a++) {
addedgelist(em, v3, v3->next, NULL);
v3= v3->next;
}
addedgelist(em, v3, v1, NULL);
}
/* side faces */
if(ext) {
v3= v1;
v4= v2;
for(a=1; a<tot; a++) {
addfacelist(em, v3, v3->next, v4->next, v4, NULL, NULL);
v3= v3->next;
v4= v4->next;
}
addfacelist(em, v3, v1, v2, v4, NULL, NULL);
}
else if(fill && type==PRIM_CONE) {
/* add the bottom flat area of the cone
* if capping is disabled dont bother */
v3= v1;
for(a=1; a<tot; a++) {
addfacelist(em, vtop, v3->next, v3, 0, NULL, NULL);
v3= v3->next;
}
addfacelist(em, vtop, v1, v3, 0, NULL, NULL);
}
}
EM_stats_update(em);
/* simple selection flush OK, based on fact it's a single model */
EM_select_flush(em); /* flushes vertex -> edge -> face selection */
if(!ELEM5(type, PRIM_GRID, PRIM_PLANE, PRIM_ICOSPHERE, PRIM_UVSPHERE, PRIM_MONKEY))
EM_recalc_normal_direction(em, FALSE, TRUE); /* otherwise monkey has eyes in wrong direction */
BKE_mesh_end_editmesh(obedit->data, em);
}