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commit of wip working copy; much bugs remain

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This commit is contained in:
Joseph Eagar
2010-10-18 21:38:02 +00:00
parent 1e513ec02d
commit fc95d8ae0e
1 changed files with 69 additions and 24 deletions
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93
source/blender/editors/mesh/knifetool.c
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@@ -127,7 +127,8 @@ typedef struct knifetool_opdata {
ARegion *ar; /* region that knifetool was activated in */
void *draw_handle; /* for drawing preview loop */
ViewContext vc;
bContext *C;
Object *ob;
BMEditMesh *em;
@@ -165,6 +166,7 @@ typedef struct knifetool_opdata {
BLI_mempool *refs;
float projmat[4][4];
int is_ortho, clipsta, clipend;
enum {
MODE_IDLE,
@@ -175,6 +177,17 @@ typedef struct knifetool_opdata {
static ListBase *knife_get_face_kedges(knifetool_opdata *kcd, BMFace *f);
void knife_project_v3(knifetool_opdata *kcd, float co[3], float sco[3])
{
if (kcd->is_ortho) {
mul_v3_m4v3(sco, kcd->projmat, co);
sco[0] = (float)(kcd->ar->winx/2.0f)+(kcd->ar->winx/2.0f)*sco[0];
sco[1] = (float)(kcd->ar->winy/2.0f)+(kcd->ar->winy/2.0f)*sco[1];
} else
view3d_project_float(kcd->ar, co, sco, kcd->projmat);
}
static KnifeEdge *new_knife_edge(knifetool_opdata *kcd)
{
kcd->totkedge++;
@@ -190,7 +203,7 @@ static KnifeVert *new_knife_vert(knifetool_opdata *kcd, float *co)
copy_v3_v3(kfv->co, co);
copy_v3_v3(kfv->sco, co);
view3d_project_float(kcd->ar, kfv->co, kfv->sco, kcd->projmat);
knife_project_v3(kcd, kfv->co, kfv->sco);
return kfv;
}
@@ -608,9 +621,9 @@ static void knifetool_draw(const bContext *C, ARegion *ar, void *arg)
lh = kcd->linehits;
for (i=0; i<kcd->totlinehit; i++, lh++) {
float sv1[3], sv2[3];
view3d_project_float_v3(kcd->ar, lh->kfe->v1->co, sv1, kcd->projmat);
view3d_project_float_v3(kcd->ar, lh->kfe->v2->co, sv2, kcd->projmat);
knife_project_v3(kcd, lh->kfe->v1->co, sv1);
knife_project_v3(kcd, lh->kfe->v2->co, sv2);
if (len_v2v2(lh->shit, sv1) < kcd->vthresh/4) {
copy_v3_v3(lh->hit, lh->kfe->v1->co);
@@ -717,8 +730,7 @@ BMEdgeHit *knife_edge_tri_isect(knifetool_opdata *kcd, BMBVHTree *bmtree, float
BMEdgeHit *edges = NULL;
BLI_array_declare(edges);
BVHTreeOverlap *results, *result;
BMLoop *l, **ls;
BMIter iter;
BMLoop **ls;
float cos[9], uv[3], lambda;
int tot=0, i, j;
@@ -751,13 +763,15 @@ BMEdgeHit *knife_edge_tri_isect(knifetool_opdata *kcd, BMBVHTree *bmtree, float
mul_v3_fl(p, lambda);
add_v3_v3(p, kfe->v1->co);
view3d_project_float_v3(kcd->ar, p, sp, kcd->projmat);
knife_project_v3(kcd, p, sp);
view3d_unproject(mats, view, sp[0], sp[1], 0.0f);
mul_m4_v3(kcd->ob->imat, view);
sub_v3_v3v3(view, p, view);
normalize_v3(view);
normalize_v3(view);;
copy_v3_v3(no, view);
mul_v3_fl(no, -0.003);
mul_v3_fl(no, -0.0003);
/*go backwards toward view a bit*/
add_v3_v3(p, no);
@@ -772,7 +786,7 @@ BMEdgeHit *knife_edge_tri_isect(knifetool_opdata *kcd, BMBVHTree *bmtree, float
hit.f = kfe->basef;
copy_v3_v3(hit.hit, p);
view3d_project_float_v3(kcd->ar, hit.hit, hit.shit, kcd->projmat);
knife_project_v3(kcd, hit.hit, hit.shit);
BLI_array_append(edges, hit);
BLI_smallhash_insert(ehash, (intptr_t)kfe, NULL);
@@ -789,6 +803,13 @@ BMEdgeHit *knife_edge_tri_isect(knifetool_opdata *kcd, BMBVHTree *bmtree, float
return edges;
}
knife_bgl_get_mats(knifetool_opdata *kcd, bglMats *mats)
{
bgl_get_mats(mats);
//copy_m4_m4(mats->modelview, kcd->vc.rv3d->viewmat);
//copy_m4_m4(mats->projection, kcd->vc.rv3d->winmat);
}
/*finds (visible) edges that intersects the current screen drag line*/
static void knife_find_line_hits(knifetool_opdata *kcd)
{
@@ -798,7 +819,7 @@ static void knife_find_line_hits(knifetool_opdata *kcd)
float v1[3], v2[3], v3[3], v4[4], s1[3], s2[3], view[3];
int i, c1, c2;
bgl_get_mats(&mats);
knife_bgl_get_mats(kcd, &mats);
if (kcd->linehits) {
MEM_freeN(kcd->linehits);
@@ -807,8 +828,8 @@ static void knife_find_line_hits(knifetool_opdata *kcd)
}
/*project screen line's 3d coordinates back into 2d*/
view3d_project_float_v3(kcd->ar, kcd->prevco, s1, kcd->projmat);
view3d_project_float_v3(kcd->ar, kcd->vertco, s2, kcd->projmat);
knife_project_v3(kcd, kcd->prevco, s1);
knife_project_v3(kcd, kcd->vertco, s2);
if (len_v2v2(s1, s2) < 1)
return;
@@ -861,13 +882,13 @@ static BMFace *knife_find_closest_face(knifetool_opdata *kcd, float co[3])
float mval[2];
int dist = KMAXDIST;
bgl_get_mats(&mats);
knife_bgl_get_mats(kcd, &mats);
mval[0] = kcd->vc.mval[0]; mval[1] = kcd->vc.mval[1];
/*unproject to find view ray*/
view3d_unproject(&mats, origin, mval[0], mval[1], 0.0f);
sub_v3_v3v3(ray, origin, kcd->vc.rv3d->viewinv[3]);
normalize_v3(ray);
@@ -906,7 +927,7 @@ static int knife_sample_screen_density(knifetool_opdata *kcd, float radius)
float dis;
int c = 0;
view3d_project_float_v3(kcd->ar, co, sco, kcd->projmat);
knife_project_v3(kcd, co, sco);
lst = knife_get_face_kedges(kcd, f);
for (ref=lst->first; ref; ref=ref->next) {
@@ -916,7 +937,7 @@ static int knife_sample_screen_density(knifetool_opdata *kcd, float radius)
for (i=0; i<2; i++) {
KnifeVert *kfv = i ? kfe->v2 : kfe->v1;
view3d_project_float_v3(kcd->ar, kfv->co, kfv->sco, kcd->projmat);
knife_project_v3(kcd, kfv->co, kfv->sco);
dis = len_v2v2(kfv->sco, sco);
if (dis < radius) {
@@ -969,7 +990,7 @@ static KnifeEdge *knife_find_closest_edge(knifetool_opdata *kcd, float p[3], BMF
Ref *ref;
float dis, curdis=FLT_MAX;
view3d_project_float_v3(kcd->ar, co, sco, kcd->projmat);
knife_project_v3(kcd, co, sco);
/*look through all edges associated with this face*/
lst = knife_get_face_kedges(kcd, f);
@@ -977,8 +998,8 @@ static KnifeEdge *knife_find_closest_edge(knifetool_opdata *kcd, float p[3], BMF
KnifeEdge *kfe = ref->ref;
/*project edge vertices into screen space*/
view3d_project_float_v3(kcd->ar, kfe->v1->co, kfe->v1->sco, kcd->projmat);
view3d_project_float_v3(kcd->ar, kfe->v2->co, kfe->v2->sco, kcd->projmat);
knife_project_v3(kcd, kfe->v1->co, kfe->v1->sco);
knife_project_v3(kcd, kfe->v2->co, kfe->v2->sco);
dis = dist_to_line_segment_v2(sco, kfe->v1->sco, kfe->v2->sco);
if (dis < curdis && dis < maxdist) {
@@ -1035,7 +1056,7 @@ static KnifeVert *knife_find_closest_vert(knifetool_opdata *kcd, float p[3], BMF
KnifeVert *curv = NULL;
float dis, curdis=FLT_MAX;
view3d_project_float_v3(kcd->ar, co, sco, kcd->projmat);
knife_project_v3(kcd, co, sco);
lst = knife_get_face_kedges(kcd, f);
for (ref=lst->first; ref; ref=ref->next) {
@@ -1045,7 +1066,7 @@ static KnifeVert *knife_find_closest_vert(knifetool_opdata *kcd, float p[3], BMF
for (i=0; i<2; i++) {
KnifeVert *kfv = i ? kfe->v2 : kfe->v1;
view3d_project_float_v3(kcd->ar, kfv->co, kfv->sco, kcd->projmat);
knife_project_v3(kcd, kfv->co, kfv->sco);
dis = len_v2v2(kfv->sco, sco);
if (dis < curdis && dis < maxdist) {
@@ -1419,10 +1440,33 @@ static void knifetool_finish(bContext *C, wmOperator *op)
knifenet_fill_faces(kcd);
}
/*copied from paint_image.c*/
static int project_knife_view_clip(View3D *v3d, RegionView3D *rv3d, float *clipsta, float *clipend)
{
int orth= get_view3d_cliprange(v3d, rv3d, clipsta, clipend);
if (orth) { /* only needed for ortho */
float fac = 2.0f / ((*clipend) - (*clipsta));
*clipsta *= fac;
*clipend *= fac;
}
return orth;
}
void knife_recalc_projmat(knifetool_opdata *kcd)
{
ARegion *ar = CTX_wm_region(kcd->C);
if (!ar)
return;
invert_m4_m4(kcd->ob->imat, kcd->ob->obmat);
view3d_get_object_project_mat(kcd->ar->regiondata, kcd->ob, kcd->projmat);
view3d_get_object_project_mat(ar->regiondata, kcd->ob, kcd->projmat);
//mul_m4_m4m4(kcd->projmat, kcd->vc.rv3d->viewmat, kcd->vc.rv3d->winmat);
kcd->is_ortho = project_knife_view_clip(kcd->vc.v3d, kcd->vc.rv3d,
&kcd->clipsta, &kcd->clipend);
}
/* called when modal loop selection is done... */
@@ -1466,6 +1510,7 @@ static int knifetool_init (bContext *C, wmOperator *op, int do_cut)
/* assign the drawing handle for drawing preview line... */
kcd->ar= CTX_wm_region(C);
kcd->C = C;
kcd->draw_handle= ED_region_draw_cb_activate(kcd->ar->type, knifetool_draw, kcd, REGION_DRAW_POST_VIEW);
em_setup_viewcontext(C, &kcd->vc);