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path: root/source/blender/editors/transform/transform_snap.c
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Diffstat (limited to 'source/blender/editors/transform/transform_snap.c')
-rw-r--r--source/blender/editors/transform/transform_snap.c126
1 files changed, 110 insertions, 16 deletions
diff --git a/source/blender/editors/transform/transform_snap.c b/source/blender/editors/transform/transform_snap.c
index 9e8454bf6fb..24b4b16e13f 100644
--- a/source/blender/editors/transform/transform_snap.c
+++ b/source/blender/editors/transform/transform_snap.c
@@ -68,6 +68,7 @@
#include "ED_node.h"
#include "ED_uvedit.h"
#include "ED_view3d.h"
+#include "ED_transform_snap_object_context.h"
#include "UI_resources.h"
#include "UI_view2d.h"
@@ -571,6 +572,13 @@ static void initSnappingMode(TransInfo *t)
t->tsnap.object_context = ED_transform_snap_object_context_create_view3d(
G.main, t->scene, SNAP_OBJECT_USE_CACHE,
t->ar, t->view);
+
+ ED_transform_snap_object_context_set_editmesh_callbacks(
+ t->tsnap.object_context,
+ (bool (*)(BMVert *, void *))BM_elem_cb_check_hflag_disabled,
+ (bool (*)(BMEdge *, void *))BM_elem_cb_check_hflag_disabled,
+ (bool (*)(BMFace *, void *))BM_elem_cb_check_hflag_disabled,
+ SET_UINT_IN_POINTER((BM_ELEM_SELECT | BM_ELEM_HIDDEN)));
}
}
}
@@ -1335,6 +1343,20 @@ struct PeelRayCast_Data {
ListBase *depth_peels;
};
+struct PeelEditMeshRayCast_Data {
+ BVHTreeFromEditMesh bvhdata;
+
+ /* internal vars for adding peel */
+ Object *ob;
+ const float(*obmat)[4];
+ const float(*timat)[3];
+
+ const float *ray_start; /* globalspace */
+
+ /* output list */
+ ListBase *depth_peels;
+};
+
static void peelRayCast_cb(void *userdata, int index, const BVHTreeRay *ray, BVHTreeRayHit *hit)
{
struct PeelRayCast_Data *data = userdata;
@@ -1359,8 +1381,32 @@ static void peelRayCast_cb(void *userdata, int index, const BVHTreeRay *ray, BVH
}
}
+static void peelEditMeshRayCast_cb(void *userdata, int index, const BVHTreeRay *ray, BVHTreeRayHit *hit)
+{
+ struct PeelEditMeshRayCast_Data *data = userdata;
+
+ data->bvhdata.raycast_callback(&data->bvhdata, index, ray, hit);
+
+ if (hit->index != -1) {
+ /* get all values in worldspace */
+ float location[3], normal[3];
+ float depth;
+
+ /* worldspace location */
+ mul_v3_m4v3(location, (float(*)[4])data->obmat, hit->co);
+ depth = len_v3v3(location, data->ray_start);
+
+ /* worldspace normal */
+ copy_v3_v3(normal, hit->no);
+ mul_m3_v3((float(*)[3])data->timat, normal);
+ normalize_v3(normal);
+
+ addDepthPeel(data->depth_peels, depth, location, normal, data->ob);
+ }
+}
+
static bool peelDerivedMesh(
- Object *ob, DerivedMesh *dm, BMEditMesh *em, float obmat[4][4],
+ Object *ob, DerivedMesh *dm, float obmat[4][4],
const float ray_start[3], const float ray_normal[3], const float UNUSED(mval[2]),
ListBase *depth_peels)
{
@@ -1402,8 +1448,6 @@ static bool peelDerivedMesh(
if (test == true) {
struct PeelRayCast_Data data;
- data.bvhdata.em_evil = em;
- data.bvhdata.em_evil_all = false;
bvhtree_from_mesh_looptri(&data.bvhdata, dm, 0.0f, 4, 6);
if (data.bvhdata.tree != NULL) {
@@ -1415,8 +1459,9 @@ static bool peelDerivedMesh(
data.polynors = dm->getPolyDataArray(dm, CD_NORMAL); /* can be NULL */
data.depth_peels = depth_peels;
- BLI_bvhtree_ray_cast_all(data.bvhdata.tree, ray_start_local, ray_normal_local, 0.0f,
- peelRayCast_cb, &data);
+ BLI_bvhtree_ray_cast_all(
+ data.bvhdata.tree, ray_start_local, ray_normal_local, 0.0f,
+ peelRayCast_cb, &data);
}
free_bvhtree_from_mesh(&data.bvhdata);
@@ -1424,7 +1469,59 @@ static bool peelDerivedMesh(
}
return retval;
-}
+}
+
+static bool peelEditMesh(
+ Object *ob, BMEditMesh *em, float obmat[4][4],
+ const float ray_start[3], const float ray_normal[3],
+ ListBase *depth_peels)
+{
+ bool retval = false;
+ int totvert = em->bm->totvert;
+
+ if (totvert > 0) {
+ float imat[4][4];
+ float timat[3][3]; /* transpose inverse matrix for normals */
+ float ray_start_local[3], ray_normal_local[3];
+ bool test = true;
+
+ invert_m4_m4(imat, obmat);
+
+ transpose_m3_m4(timat, imat);
+
+ mul_v3_m4v3(ray_start_local, imat, ray_start);
+ mul_v3_mat3_m4v3(ray_normal_local, imat, ray_normal);
+
+ if (test == true) {
+ struct PeelEditMeshRayCast_Data data;
+
+ BLI_bitmap *looptri_mask = BLI_BITMAP_NEW(em->tottri, __func__);
+ int looptri_num_active = BM_iter_mesh_bitmap_from_filter_tessface(
+ em->bm, looptri_mask,
+ BM_elem_cb_check_hflag_enabled_simple(BMFace *, (BM_ELEM_SELECT | BM_ELEM_HIDDEN)));
+
+ bvhtree_from_editmesh_looptri_ex(&data.bvhdata, em, looptri_mask, looptri_num_active, 0.0f, 4, 6);
+
+ MEM_freeN(looptri_mask);
+
+ if (data.bvhdata.tree != NULL) {
+ data.ob = ob;
+ data.obmat = (const float(*)[4])obmat;
+ data.timat = (const float(*)[3])timat;
+ data.ray_start = ray_start;
+ data.depth_peels = depth_peels;
+
+ BLI_bvhtree_ray_cast_all(
+ data.bvhdata.tree, ray_start_local, ray_normal_local, 0.0f,
+ peelEditMeshRayCast_cb, &data);
+ }
+
+ free_bvhtree_from_editmesh(&data.bvhdata);
+ }
+ }
+
+ return retval;
+}
static bool peelObjects(
Scene *scene, View3D *v3d, ARegion *ar, Object *obedit,
@@ -1452,24 +1549,21 @@ static bool peelObjects(
if (dob->type == OB_MESH) {
BMEditMesh *em;
- DerivedMesh *dm = NULL;
bool val;
if (dob != obedit) {
+ DerivedMesh *dm;
dm = mesh_get_derived_final(scene, dob, CD_MASK_BAREMESH);
-
- val = peelDerivedMesh(dob, dm, NULL, dob->obmat, ray_start, ray_normal, mval, r_depth_peels);
+ val = peelDerivedMesh(dob, dm, dob->obmat, ray_start, ray_normal, mval, r_depth_peels);
+
+ dm->release(dm);
}
else {
em = BKE_editmesh_from_object(dob);
- dm = editbmesh_get_derived_cage(scene, obedit, em, CD_MASK_BAREMESH);
-
- val = peelDerivedMesh(dob, dm, em, dob->obmat, ray_start, ray_normal, mval, r_depth_peels);
+ val = peelEditMesh(dob, em, dob->obmat, ray_start, ray_normal, r_depth_peels);
}
retval = retval || val;
-
- dm->release(dm);
}
}
@@ -1482,14 +1576,14 @@ static bool peelObjects(
if (ob != obedit && ((snap_select == SNAP_NOT_SELECTED && (base->flag & (SELECT | BA_WAS_SEL)) == 0) || ELEM(snap_select, SNAP_ALL, SNAP_NOT_OBEDIT))) {
DerivedMesh *dm = mesh_get_derived_final(scene, ob, CD_MASK_BAREMESH);
- val = peelDerivedMesh(ob, dm, NULL, ob->obmat, ray_start, ray_normal, mval, r_depth_peels);
+ val = peelDerivedMesh(ob, dm, ob->obmat, ray_start, ray_normal, mval, r_depth_peels);
dm->release(dm);
}
else if (ob == obedit && snap_select != SNAP_NOT_OBEDIT) {
BMEditMesh *em = BKE_editmesh_from_object(ob);
DerivedMesh *dm = editbmesh_get_derived_cage(scene, obedit, em, CD_MASK_BAREMESH);
- val = peelDerivedMesh(ob, dm, NULL, ob->obmat, ray_start, ray_normal, mval, r_depth_peels);
+ val = peelDerivedMesh(ob, dm, ob->obmat, ray_start, ray_normal, mval, r_depth_peels);
dm->release(dm);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-07 02:43:50 +0300