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Differential D3 Diff 13 source/blender/editors/transform/transform_snap.c

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source/blender/editors/transform/transform_snap.c

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#include <stdlib.h> #include <stdlib.h>
#include <math.h> #include <math.h>
#include <float.h> #include <float.h>
#include <stdio.h> #include <stdio.h>
#include "PIL_time.h" #include "PIL_time.h"
#include "DNA_armature_types.h" #include "DNA_armature_types.h"
#include "DNA_curve_types.h"
#include "DNA_scene_types.h" #include "DNA_scene_types.h"
#include "DNA_object_types.h" #include "DNA_object_types.h"
#include "DNA_mesh_types.h" #include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h" /* Temporary, for snapping to other unselected meshes */ #include "DNA_meshdata_types.h" /* Temporary, for snapping to other unselected meshes */
#include "DNA_node_types.h" #include "DNA_node_types.h"
#include "DNA_space_types.h" #include "DNA_space_types.h"
#include "DNA_screen_types.h" #include "DNA_screen_types.h"
#include "DNA_view3d_types.h" #include "DNA_view3d_types.h"
▲ Show 20 Lines • Show All 1,362 Lines • ▼ Show 20 Lines for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
} }
} }
} }
} }
return retval; return retval;
} }
static bool snapCurve(short snap_mode, ARegion *ar, Object *ob, Curve *cu, float obmat[4][4],
const float ray_start[3], const float ray_normal[3], const float mval[2],
float r_loc[3], float *UNUSED(r_no), float *r_dist_px, float *r_depth)
{
float imat[4][4];
float ray_start_local[3], ray_normal_local[3];
bool retval = false;
int u;
Nurb *nu;
/* only vertex snapping mode (eg control points and handles) supported for now) */
if (snap_mode != SCE_SNAP_MODE_VERTEX) {
return retval;
}
invert_m4_m4(imat, obmat);
copy_v3_v3(ray_start_local, ray_start);
copy_v3_v3(ray_normal_local, ray_normal);
mul_m4_v3(imat, ray_start_local);
mul_mat3_m4_v3(imat, ray_normal_local);
for (nu = (ob->mode == OB_MODE_EDIT ? cu->editnurb->nurbs.first : cu->nurb.first); nu; nu = nu->next) {
for (u = 0; u < nu->pntsu; u++){
switch (snap_mode) {
case SCE_SNAP_MODE_VERTEX:
{
if (ob->mode == OB_MODE_EDIT) {
/* don't snap to selected (moving) or hidden */
if (nu->bezt[u].f2 & SELECT || nu->bezt[u].hide != 0) {
break;
}
retval |= snapVertex(ar, nu->bezt[u].vec[1], NULL, obmat, NULL, ray_start, ray_start_local, ray_normal_local, mval, r_loc, NULL, r_dist_px, r_depth);
/* don't snap if handle is selected (moving), or if it is aligning to a moving handle */
if (!(nu->bezt[u].f1 & SELECT) && !(nu->bezt[u].h1 & HD_ALIGN && nu->bezt[u].f3 & SELECT)) {
retval |= snapVertex(ar, nu->bezt[u].vec[0], NULL, obmat, NULL, ray_start, ray_start_local, ray_normal_local, mval, r_loc, NULL, r_dist_px, r_depth);
}
if (!(nu->bezt[u].f3 & SELECT) && !(nu->bezt[u].h2 & HD_ALIGN && nu->bezt[u].f1 & SELECT)) {
retval |= snapVertex(ar, nu->bezt[u].vec[2], NULL, obmat, NULL, ray_start, ray_start_local, ray_normal_local, mval, r_loc, NULL, r_dist_px, r_depth);
}
} else {
/* curve is not visible outside editmode if nurb length less than two */
if (nu->pntsu > 1) {
retval |= snapVertex(ar, nu->bezt[u].vec[1], NULL, obmat, NULL, ray_start, ray_start_local, ray_normal_local, mval, r_loc, NULL, r_dist_px, r_depth);
}
}
break;
}
default:
break;
}
}
}
return retval;
}
static bool snapDerivedMesh(short snap_mode, ARegion *ar, Object *ob, DerivedMesh *dm, BMEditMesh *em, float obmat[4][4], static bool snapDerivedMesh(short snap_mode, ARegion *ar, Object *ob, DerivedMesh *dm, BMEditMesh *em, float obmat[4][4],
const float ray_start[3], const float ray_normal[3], const float mval[2], const float ray_start[3], const float ray_normal[3], const float mval[2],
float r_loc[3], float r_no[3], float *r_dist_px, float *r_depth) float r_loc[3], float r_no[3], float *r_dist_px, float *r_depth)
{ {
bool retval = false; bool retval = false;
int totvert = dm->getNumVerts(dm); int totvert = dm->getNumVerts(dm);
int totface = dm->getNumTessFaces(dm); int totface = dm->getNumTessFaces(dm);
▲ Show 20 Lines • Show All 307 Lines • ▼ Show 20 Lines if (ob->type == OB_MESH) {
retval = snapDerivedMesh(snap_mode, ar, ob, dm, em, obmat, ray_start, ray_normal, mval, r_loc, r_no, r_dist_px, r_depth); retval = snapDerivedMesh(snap_mode, ar, ob, dm, em, obmat, ray_start, ray_normal, mval, r_loc, r_no, r_dist_px, r_depth);
dm->release(dm); dm->release(dm);
} }
else if (ob->type == OB_ARMATURE) { else if (ob->type == OB_ARMATURE) {
retval = snapArmature(snap_mode, ar, ob, ob->data, obmat, ray_start, ray_normal, mval, r_loc, r_no, r_dist_px, r_depth); retval = snapArmature(snap_mode, ar, ob, ob->data, obmat, ray_start, ray_normal, mval, r_loc, r_no, r_dist_px, r_depth);
} }
else if (ob->type == OB_CURVE) {
retval = snapCurve(snap_mode, ar, ob, ob->data, obmat, ray_start, ray_normal, mval, r_loc, r_no, r_dist_px, r_depth);
}
else if (ob->type == OB_EMPTY) { else if (ob->type == OB_EMPTY) {
retval = snapEmpty(snap_mode, ar, ob, obmat, ray_start, ray_normal, mval, r_loc, r_no, r_dist_px, r_depth); retval = snapEmpty(snap_mode, ar, ob, obmat, ray_start, ray_normal, mval, r_loc, r_no, r_dist_px, r_depth);
} }
else if (ob->type == OB_CAMERA) { else if (ob->type == OB_CAMERA) {
retval = snapCamera(snap_mode, ar, scene, ob, obmat, ray_start, ray_normal, mval, r_loc, r_no, r_dist_px, r_depth); retval = snapCamera(snap_mode, ar, scene, ob, obmat, ray_start, ray_normal, mval, r_loc, r_no, r_dist_px, r_depth);
} }
if (retval) { if (retval) {
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