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blender/source/blender/editors/space_view3d/view3d_edit.c
2011-09-20 07:56:58 +00:00

3537 lines
96 KiB
C

/*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_view3d/view3d_edit.c
* \ingroup spview3d
*/
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <float.h>
#include "DNA_armature_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_camera_types.h"
#include "DNA_lamp_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_rand.h"
#include "BLI_utildefines.h"
#include "BKE_context.h"
#include "BKE_image.h"
#include "BKE_library.h"
#include "BKE_object.h"
#include "BKE_paint.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "BKE_screen.h"
#include "BKE_depsgraph.h" /* for ED_view3d_camera_lock_sync */
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "ED_particle.h"
#include "ED_screen.h"
#include "ED_transform.h"
#include "ED_mesh.h"
#include "ED_view3d.h"
#include "PIL_time.h" /* smoothview */
#include "view3d_intern.h" // own include
/* ********************** view3d_edit: view manipulations ********************* */
int ED_view3d_camera_lock_check(View3D *v3d, RegionView3D *rv3d)
{
return ((v3d->camera) &&
(v3d->camera->id.lib == NULL) &&
(v3d->flag2 & V3D_LOCK_CAMERA) &&
(rv3d->persp==RV3D_CAMOB));
}
void ED_view3d_camera_lock_init(View3D *v3d, RegionView3D *rv3d)
{
if(ED_view3d_camera_lock_check(v3d, rv3d)) {
ED_view3d_from_object(v3d->camera, rv3d->ofs, rv3d->viewquat, &rv3d->dist, NULL);
}
}
/* return TRUE if the camera is moved */
int ED_view3d_camera_lock_sync(View3D *v3d, RegionView3D *rv3d)
{
if(ED_view3d_camera_lock_check(v3d, rv3d)) {
Object *root_parent;
if((U.uiflag & USER_CAM_LOCK_NO_PARENT)==0 && (root_parent= v3d->camera->parent)) {
Object *ob_update;
float view_mat[4][4];
float diff_mat[4][4];
float parent_mat[4][4];
while(root_parent->parent) {
root_parent= root_parent->parent;
}
ED_view3d_to_m4(view_mat, rv3d->ofs, rv3d->viewquat, rv3d->dist);
invert_m4_m4(v3d->camera->imat, v3d->camera->obmat);
mul_m4_m4m4(diff_mat, v3d->camera->imat, view_mat);
mul_m4_m4m4(parent_mat, root_parent->obmat, diff_mat);
object_apply_mat4(root_parent, parent_mat, TRUE, FALSE);
ob_update= v3d->camera;
while(ob_update) {
DAG_id_tag_update(&ob_update->id, OB_RECALC_OB);
WM_main_add_notifier(NC_OBJECT|ND_TRANSFORM, ob_update);
ob_update= ob_update->parent;
}
}
else {
ED_view3d_to_object(v3d->camera, rv3d->ofs, rv3d->viewquat, rv3d->dist);
DAG_id_tag_update(&v3d->camera->id, OB_RECALC_OB);
WM_main_add_notifier(NC_OBJECT|ND_TRANSFORM, v3d->camera);
}
return TRUE;
}
else {
return FALSE;
}
}
/* ********************* box view support ***************** */
static void view3d_boxview_clip(ScrArea *sa)
{
ARegion *ar;
BoundBox *bb = MEM_callocN(sizeof(BoundBox), "clipbb");
float clip[6][4];
float x1= 0.0f, y1= 0.0f, z1= 0.0f, ofs[3] = {0.0f, 0.0f, 0.0f};
int val;
/* create bounding box */
for(ar= sa->regionbase.first; ar; ar= ar->next) {
if(ar->regiontype==RGN_TYPE_WINDOW) {
RegionView3D *rv3d= ar->regiondata;
if(rv3d->viewlock & RV3D_BOXCLIP) {
if(ELEM(rv3d->view, RV3D_VIEW_TOP, RV3D_VIEW_BOTTOM)) {
if(ar->winx>ar->winy) x1= rv3d->dist;
else x1= ar->winx*rv3d->dist/ar->winy;
if(ar->winx>ar->winy) y1= ar->winy*rv3d->dist/ar->winx;
else y1= rv3d->dist;
copy_v2_v2(ofs, rv3d->ofs);
}
else if(ELEM(rv3d->view, RV3D_VIEW_FRONT, RV3D_VIEW_BACK)) {
ofs[2]= rv3d->ofs[2];
if(ar->winx>ar->winy) z1= ar->winy*rv3d->dist/ar->winx;
else z1= rv3d->dist;
}
}
}
}
for(val=0; val<8; val++) {
if(ELEM4(val, 0, 3, 4, 7))
bb->vec[val][0]= -x1 - ofs[0];
else
bb->vec[val][0]= x1 - ofs[0];
if(ELEM4(val, 0, 1, 4, 5))
bb->vec[val][1]= -y1 - ofs[1];
else
bb->vec[val][1]= y1 - ofs[1];
if(val > 3)
bb->vec[val][2]= -z1 - ofs[2];
else
bb->vec[val][2]= z1 - ofs[2];
}
/* normals for plane equations */
normal_tri_v3( clip[0],bb->vec[0], bb->vec[1], bb->vec[4]);
normal_tri_v3( clip[1],bb->vec[1], bb->vec[2], bb->vec[5]);
normal_tri_v3( clip[2],bb->vec[2], bb->vec[3], bb->vec[6]);
normal_tri_v3( clip[3],bb->vec[3], bb->vec[0], bb->vec[7]);
normal_tri_v3( clip[4],bb->vec[4], bb->vec[5], bb->vec[6]);
normal_tri_v3( clip[5],bb->vec[0], bb->vec[2], bb->vec[1]);
/* then plane equations */
for(val=0; val<5; val++) {
clip[val][3]= - clip[val][0]*bb->vec[val][0] - clip[val][1]*bb->vec[val][1] - clip[val][2]*bb->vec[val][2];
}
clip[5][3]= - clip[5][0]*bb->vec[0][0] - clip[5][1]*bb->vec[0][1] - clip[5][2]*bb->vec[0][2];
/* create bounding box */
for(ar= sa->regionbase.first; ar; ar= ar->next) {
if(ar->regiontype==RGN_TYPE_WINDOW) {
RegionView3D *rv3d= ar->regiondata;
if(rv3d->viewlock & RV3D_BOXCLIP) {
rv3d->rflag |= RV3D_CLIPPING;
memcpy(rv3d->clip, clip, sizeof(clip));
if(rv3d->clipbb) MEM_freeN(rv3d->clipbb);
rv3d->clipbb= MEM_dupallocN(bb);
}
}
}
MEM_freeN(bb);
}
/* sync center/zoom view of region to others, for view transforms */
static void view3d_boxview_sync(ScrArea *sa, ARegion *ar)
{
ARegion *artest;
RegionView3D *rv3d= ar->regiondata;
short clip= 0;
for(artest= sa->regionbase.first; artest; artest= artest->next) {
if(artest!=ar && artest->regiontype==RGN_TYPE_WINDOW) {
RegionView3D *rv3dtest= artest->regiondata;
if(rv3dtest->viewlock) {
rv3dtest->dist= rv3d->dist;
if( ELEM(rv3d->view, RV3D_VIEW_TOP, RV3D_VIEW_BOTTOM) ) {
if( ELEM(rv3dtest->view, RV3D_VIEW_FRONT, RV3D_VIEW_BACK))
rv3dtest->ofs[0]= rv3d->ofs[0];
else if( ELEM(rv3dtest->view, RV3D_VIEW_RIGHT, RV3D_VIEW_LEFT))
rv3dtest->ofs[1]= rv3d->ofs[1];
}
else if( ELEM(rv3d->view, RV3D_VIEW_FRONT, RV3D_VIEW_BACK) ) {
if( ELEM(rv3dtest->view, RV3D_VIEW_TOP, RV3D_VIEW_BOTTOM))
rv3dtest->ofs[0]= rv3d->ofs[0];
else if( ELEM(rv3dtest->view, RV3D_VIEW_RIGHT, RV3D_VIEW_LEFT))
rv3dtest->ofs[2]= rv3d->ofs[2];
}
else if( ELEM(rv3d->view, RV3D_VIEW_RIGHT, RV3D_VIEW_LEFT) ) {
if( ELEM(rv3dtest->view, RV3D_VIEW_TOP, RV3D_VIEW_BOTTOM))
rv3dtest->ofs[1]= rv3d->ofs[1];
if( ELEM(rv3dtest->view, RV3D_VIEW_FRONT, RV3D_VIEW_BACK))
rv3dtest->ofs[2]= rv3d->ofs[2];
}
clip |= rv3dtest->viewlock & RV3D_BOXCLIP;
ED_region_tag_redraw(artest);
}
}
}
if(clip) {
view3d_boxview_clip(sa);
}
}
/* for home, center etc */
void view3d_boxview_copy(ScrArea *sa, ARegion *ar)
{
ARegion *artest;
RegionView3D *rv3d= ar->regiondata;
short clip= 0;
for(artest= sa->regionbase.first; artest; artest= artest->next) {
if(artest!=ar && artest->regiontype==RGN_TYPE_WINDOW) {
RegionView3D *rv3dtest= artest->regiondata;
if(rv3dtest->viewlock) {
rv3dtest->dist= rv3d->dist;
copy_v3_v3(rv3dtest->ofs, rv3d->ofs);
ED_region_tag_redraw(artest);
clip |= rv3dtest->viewlock & RV3D_BOXCLIP;
}
}
}
if(clip) {
view3d_boxview_clip(sa);
}
}
/* 'clip' is used to know if our clip setting has changed */
void ED_view3d_quadview_update(ScrArea *sa, ARegion *ar, short do_clip)
{
ARegion *arsync= NULL;
RegionView3D *rv3d= ar->regiondata;
short viewlock;
/* this function copies flags from the first of the 3 other quadview
regions to the 2 other, so it assumes this is the region whose
properties are always being edited, weak */
viewlock= rv3d->viewlock;
if((viewlock & RV3D_LOCKED)==0)
viewlock= 0;
else if((viewlock & RV3D_BOXVIEW)==0) {
viewlock &= ~RV3D_BOXCLIP;
do_clip= TRUE;
}
for(; ar; ar= ar->prev) {
if(ar->alignment==RGN_ALIGN_QSPLIT) {
rv3d= ar->regiondata;
rv3d->viewlock= viewlock;
if(do_clip && (viewlock & RV3D_BOXCLIP)==0) {
rv3d->rflag &= ~RV3D_BOXCLIP;
}
/* use arsync so we sync with one of the aligned views below
* else the view jumps on changing view settings like 'clip'
* since it copies from the perspective view */
arsync= ar;
}
}
if(rv3d->viewlock & RV3D_BOXVIEW) {
view3d_boxview_copy(sa, arsync ? arsync : sa->regionbase.last);
}
ED_area_tag_redraw(sa);
}
/* ************************** init for view ops **********************************/
typedef struct ViewOpsData {
ScrArea *sa;
ARegion *ar;
View3D *v3d;
RegionView3D *rv3d;
/* needed for continuous zoom */
wmTimer *timer;
double timer_lastdraw;
float oldquat[4];
float trackvec[3];
float mousevec[3]; /* dolly only */
float reverse, dist0;
float grid, far;
short axis_snap; /* view rotate only */
/* use for orbit selection and auto-dist */
float ofs[3], dyn_ofs[3];
short use_dyn_ofs;
int origx, origy, oldx, oldy;
int origkey; /* the key that triggered the operator */
} ViewOpsData;
#define TRACKBALLSIZE (1.1)
static void calctrackballvec(rcti *rect, int mx, int my, float *vec)
{
float x, y, radius, d, z, t;
radius= TRACKBALLSIZE;
/* normalize x and y */
x= (rect->xmax + rect->xmin)/2 - mx;
x/= (float)((rect->xmax - rect->xmin)/4);
y= (rect->ymax + rect->ymin)/2 - my;
y/= (float)((rect->ymax - rect->ymin)/2);
d = sqrt(x*x + y*y);
if (d < radius * (float)M_SQRT1_2) { /* Inside sphere */
z= sqrt(radius*radius - d*d);
}
else { /* On hyperbola */
t= radius / (float)M_SQRT2;
z= t*t / d;
}
vec[0]= x;
vec[1]= y;
vec[2]= -z; /* yah yah! */
}
static void viewops_data_create(bContext *C, wmOperator *op, wmEvent *event)
{
static float lastofs[3] = {0,0,0};
RegionView3D *rv3d;
ViewOpsData *vod= MEM_callocN(sizeof(ViewOpsData), "viewops data");
/* store data */
op->customdata= vod;
vod->sa= CTX_wm_area(C);
vod->ar= CTX_wm_region(C);
vod->v3d= vod->sa->spacedata.first;
vod->rv3d= rv3d= vod->ar->regiondata;
/* set the view from the camera, if view locking is enabled.
* we may want to make this optional but for now its needed always */
ED_view3d_camera_lock_init(vod->v3d, vod->rv3d);
vod->dist0= rv3d->dist;
copy_qt_qt(vod->oldquat, rv3d->viewquat);
vod->origx= vod->oldx= event->x;
vod->origy= vod->oldy= event->y;
vod->origkey= event->type; /* the key that triggered the operator. */
vod->use_dyn_ofs= (U.uiflag & USER_ORBIT_SELECTION) ? 1:0;
copy_v3_v3(vod->ofs, rv3d->ofs);
if (vod->use_dyn_ofs) {
/* If there's no selection, lastofs is unmodified and last value since static */
calculateTransformCenter(C, V3D_CENTROID, lastofs);
negate_v3_v3(vod->dyn_ofs, lastofs);
}
else if (U.uiflag & USER_ORBIT_ZBUF) {
view3d_operator_needs_opengl(C); /* needed for zbuf drawing */
if((vod->use_dyn_ofs=ED_view3d_autodist(CTX_data_scene(C), vod->ar, vod->v3d, event->mval, vod->dyn_ofs))) {
if (rv3d->is_persp) {
float my_origin[3]; /* original G.vd->ofs */
float my_pivot[3]; /* view */
float dvec[3];
// locals for dist correction
float mat[3][3];
float upvec[3];
negate_v3_v3(my_origin, rv3d->ofs); /* ofs is flipped */
/* Set the dist value to be the distance from this 3d point */
/* this means youll always be able to zoom into it and panning wont go bad when dist was zero */
/* remove dist value */
upvec[0] = upvec[1] = 0;
upvec[2] = rv3d->dist;
copy_m3_m4(mat, rv3d->viewinv);
mul_m3_v3(mat, upvec);
sub_v3_v3v3(my_pivot, rv3d->ofs, upvec);
negate_v3(my_pivot); /* ofs is flipped */
/* find a new ofs value that is allong the view axis (rather than the mouse location) */
closest_to_line_v3(dvec, vod->dyn_ofs, my_pivot, my_origin);
vod->dist0 = rv3d->dist = len_v3v3(my_pivot, dvec);
negate_v3_v3(rv3d->ofs, dvec);
}
negate_v3(vod->dyn_ofs);
copy_v3_v3(vod->ofs, rv3d->ofs);
}
}
{
/* for dolly */
float mval_f[2];
VECCOPY2D(mval_f, event->mval);
ED_view3d_win_to_vector(vod->ar, mval_f, vod->mousevec);
}
/* lookup, we dont pass on v3d to prevent confusement */
vod->grid= vod->v3d->grid;
vod->far= vod->v3d->far;
calctrackballvec(&vod->ar->winrct, event->x, event->y, vod->trackvec);
initgrabz(rv3d, -rv3d->ofs[0], -rv3d->ofs[1], -rv3d->ofs[2]);
vod->reverse= 1.0f;
if (rv3d->persmat[2][1] < 0.0f)
vod->reverse= -1.0f;
rv3d->rflag |= RV3D_NAVIGATING;
}
static void viewops_data_free(bContext *C, wmOperator *op)
{
ARegion *ar;
Paint *p = paint_get_active(CTX_data_scene(C));
if(op->customdata) {
ViewOpsData *vod= op->customdata;
ar= vod->ar;
vod->rv3d->rflag &= ~RV3D_NAVIGATING;
if(vod->timer)
WM_event_remove_timer(CTX_wm_manager(C), vod->timer->win, vod->timer);
MEM_freeN(vod);
op->customdata= NULL;
}
else {
ar= CTX_wm_region(C);
}
if(p && (p->flags & PAINT_FAST_NAVIGATE))
ED_region_tag_redraw(ar);
}
/* ************************** viewrotate **********************************/
static const float thres = 0.93f; //cos(20 deg);
#define COS45 0.70710678118654746
#define SIN45 COS45
static float snapquats[39][5] = {
/*{q0, q1, q3, q4, view}*/
{COS45, -SIN45, 0.0, 0.0, RV3D_VIEW_FRONT}, //front
{0.0, 0.0, -SIN45, -SIN45, RV3D_VIEW_BACK}, //back
{1.0, 0.0, 0.0, 0.0, RV3D_VIEW_TOP}, //top
{0.0, -1.0, 0.0, 0.0, RV3D_VIEW_BOTTOM}, //bottom
{0.5, -0.5, -0.5, -0.5, RV3D_VIEW_RIGHT}, //left
{0.5, -0.5, 0.5, 0.5, RV3D_VIEW_LEFT}, //right
/* some more 45 deg snaps */
{0.65328145027160645, -0.65328145027160645, 0.27059805393218994, 0.27059805393218994, 0},
{0.92387950420379639, 0.0, 0.0, 0.38268342614173889, 0},
{0.0, -0.92387950420379639, 0.38268342614173889, 0.0, 0},
{0.35355335474014282, -0.85355335474014282, 0.35355338454246521, 0.14644660055637360, 0},
{0.85355335474014282, -0.35355335474014282, 0.14644660055637360, 0.35355338454246521, 0},
{0.49999994039535522, -0.49999994039535522, 0.49999997019767761, 0.49999997019767761, 0},
{0.27059802412986755, -0.65328145027160645, 0.65328145027160645, 0.27059802412986755, 0},
{0.65328145027160645, -0.27059802412986755, 0.27059802412986755, 0.65328145027160645, 0},
{0.27059799432754517, -0.27059799432754517, 0.65328139066696167, 0.65328139066696167, 0},
{0.38268336653709412, 0.0, 0.0, 0.92387944459915161, 0},
{0.0, -0.38268336653709412, 0.92387944459915161, 0.0, 0},
{0.14644658565521240, -0.35355335474014282, 0.85355335474014282, 0.35355335474014282, 0},
{0.35355335474014282, -0.14644658565521240, 0.35355335474014282, 0.85355335474014282, 0},
{0.0, 0.0, 0.92387944459915161, 0.38268336653709412, 0},
{-0.0, 0.0, 0.38268336653709412, 0.92387944459915161, 0},
{-0.27059802412986755, 0.27059802412986755, 0.65328133106231689, 0.65328133106231689, 0},
{-0.38268339633941650, 0.0, 0.0, 0.92387938499450684, 0},
{0.0, 0.38268339633941650, 0.92387938499450684, 0.0, 0},
{-0.14644658565521240, 0.35355338454246521, 0.85355329513549805, 0.35355332493782043, 0},
{-0.35355338454246521, 0.14644658565521240, 0.35355332493782043, 0.85355329513549805, 0},
{-0.49999991059303284, 0.49999991059303284, 0.49999985098838806, 0.49999985098838806, 0},
{-0.27059799432754517, 0.65328145027160645, 0.65328139066696167, 0.27059799432754517, 0},
{-0.65328145027160645, 0.27059799432754517, 0.27059799432754517, 0.65328139066696167, 0},
{-0.65328133106231689, 0.65328133106231689, 0.27059793472290039, 0.27059793472290039, 0},
{-0.92387932538986206, 0.0, 0.0, 0.38268333673477173, 0},
{0.0, 0.92387932538986206, 0.38268333673477173, 0.0, 0},
{-0.35355329513549805, 0.85355329513549805, 0.35355329513549805, 0.14644657075405121, 0},
{-0.85355329513549805, 0.35355329513549805, 0.14644657075405121, 0.35355329513549805, 0},
{-0.38268330693244934, 0.92387938499450684, 0.0, 0.0, 0},
{-0.92387938499450684, 0.38268330693244934, 0.0, 0.0, 0},
{-COS45, 0.0, 0.0, SIN45, 0},
{COS45, 0.0, 0.0, SIN45, 0},
{0.0, 0.0, 0.0, 1.0, 0}
};
enum {
VIEW_PASS= 0,
VIEW_APPLY,
VIEW_CONFIRM
};
/* NOTE: these defines are saved in keymap files, do not change values but just add new ones */
#define VIEW_MODAL_CONFIRM 1 /* used for all view operations */
#define VIEWROT_MODAL_AXIS_SNAP_ENABLE 2
#define VIEWROT_MODAL_AXIS_SNAP_DISABLE 3
#define VIEWROT_MODAL_SWITCH_ZOOM 4
#define VIEWROT_MODAL_SWITCH_MOVE 5
#define VIEWROT_MODAL_SWITCH_ROTATE 6
/* called in transform_ops.c, on each regeneration of keymaps */
void viewrotate_modal_keymap(wmKeyConfig *keyconf)
{
static EnumPropertyItem modal_items[] = {
{VIEW_MODAL_CONFIRM, "CONFIRM", 0, "Confirm", ""},
{VIEWROT_MODAL_AXIS_SNAP_ENABLE, "AXIS_SNAP_ENABLE", 0, "Enable Axis Snap", ""},
{VIEWROT_MODAL_AXIS_SNAP_DISABLE, "AXIS_SNAP_DISABLE", 0, "Disable Axis Snap", ""},
{VIEWROT_MODAL_SWITCH_ZOOM, "SWITCH_TO_ZOOM", 0, "Switch to Zoom"},
{VIEWROT_MODAL_SWITCH_MOVE, "SWITCH_TO_MOVE", 0, "Switch to Move"},
{0, NULL, 0, NULL, NULL}};
wmKeyMap *keymap= WM_modalkeymap_get(keyconf, "View3D Rotate Modal");
/* this function is called for each spacetype, only needs to add map once */
if(keymap) return;
keymap= WM_modalkeymap_add(keyconf, "View3D Rotate Modal", modal_items);
/* items for modal map */
WM_modalkeymap_add_item(keymap, MIDDLEMOUSE, KM_RELEASE, KM_ANY, 0, VIEW_MODAL_CONFIRM);
WM_modalkeymap_add_item(keymap, ESCKEY, KM_PRESS, KM_ANY, 0, VIEW_MODAL_CONFIRM);
WM_modalkeymap_add_item(keymap, LEFTALTKEY, KM_PRESS, KM_ANY, 0, VIEWROT_MODAL_AXIS_SNAP_ENABLE);
WM_modalkeymap_add_item(keymap, LEFTALTKEY, KM_RELEASE, KM_ANY, 0, VIEWROT_MODAL_AXIS_SNAP_DISABLE);
/* disabled mode switching for now, can re-implement better, later on
WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_PRESS, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ZOOM);
WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_PRESS, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ZOOM);
WM_modalkeymap_add_item(keymap, LEFTSHIFTKEY, KM_PRESS, KM_ANY, 0, VIEWROT_MODAL_SWITCH_MOVE);
*/
/* assign map to operators */
WM_modalkeymap_assign(keymap, "VIEW3D_OT_rotate");
}
static void viewrotate_apply(ViewOpsData *vod, int x, int y)
{
RegionView3D *rv3d= vod->rv3d;
rv3d->view= RV3D_VIEW_USER; /* need to reset everytime because of view snapping */
if (U.flag & USER_TRACKBALL) {
float phi, si, q1[4], dvec[3], newvec[3];
calctrackballvec(&vod->ar->winrct, x, y, newvec);
sub_v3_v3v3(dvec, newvec, vod->trackvec);
si= sqrt(dvec[0]*dvec[0]+ dvec[1]*dvec[1]+ dvec[2]*dvec[2]);
si /= (float)(2.0 * TRACKBALLSIZE);
cross_v3_v3v3(q1+1, vod->trackvec, newvec);
normalize_v3(q1+1);
/* Allow for rotation beyond the interval
* [-pi, pi] */
while (si > 1.0f)
si -= 2.0f;
/* This relation is used instead of
* phi = asin(si) so that the angle
* of rotation is linearly proportional
* to the distance that the mouse is
* dragged. */
phi = si * (float)(M_PI / 2.0);
q1[0]= cos(phi);
mul_v3_fl(q1+1, sin(phi));
mul_qt_qtqt(rv3d->viewquat, q1, vod->oldquat);
if (vod->use_dyn_ofs) {
/* compute the post multiplication quat, to rotate the offset correctly */
copy_qt_qt(q1, vod->oldquat);
conjugate_qt(q1);
mul_qt_qtqt(q1, q1, rv3d->viewquat);
conjugate_qt(q1); /* conj == inv for unit quat */
copy_v3_v3(rv3d->ofs, vod->ofs);
sub_v3_v3(rv3d->ofs, vod->dyn_ofs);
mul_qt_v3(q1, rv3d->ofs);
add_v3_v3(rv3d->ofs, vod->dyn_ofs);
}
}
else {
/* New turntable view code by John Aughey */
float phi, q1[4];
float m[3][3];
float m_inv[3][3];
float xvec[3] = {1.0f, 0.0f, 0.0f};
/* Sensitivity will control how fast the viewport rotates. 0.0035 was
obtained experimentally by looking at viewport rotation sensitivities
on other modeling programs. */
/* Perhaps this should be a configurable user parameter. */
const float sensitivity = 0.0035f;
/* Get the 3x3 matrix and its inverse from the quaternion */
quat_to_mat3( m,rv3d->viewquat);
invert_m3_m3(m_inv,m);
/* Determine the direction of the x vector (for rotating up and down) */
/* This can likely be computed directly from the quaternion. */
mul_m3_v3(m_inv,xvec);
/* Perform the up/down rotation */
phi = sensitivity * -(y - vod->oldy);
q1[0] = cos(phi);
mul_v3_v3fl(q1+1, xvec, sin(phi));
mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, q1);
if (vod->use_dyn_ofs) {
conjugate_qt(q1); /* conj == inv for unit quat */
sub_v3_v3(rv3d->ofs, vod->dyn_ofs);
mul_qt_v3(q1, rv3d->ofs);
add_v3_v3(rv3d->ofs, vod->dyn_ofs);
}
/* Perform the orbital rotation */
phi = sensitivity * vod->reverse * (x - vod->oldx);
q1[0] = cos(phi);
q1[1] = q1[2] = 0.0;
q1[3] = sin(phi);
mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, q1);
if (vod->use_dyn_ofs) {
conjugate_qt(q1);
sub_v3_v3(rv3d->ofs, vod->dyn_ofs);
mul_qt_v3(q1, rv3d->ofs);
add_v3_v3(rv3d->ofs, vod->dyn_ofs);
}
}
/* check for view snap */
if (vod->axis_snap){
int i;
float viewquat_inv[4];
float zaxis[3]={0,0,1};
invert_qt_qt(viewquat_inv, rv3d->viewquat);
mul_qt_v3(viewquat_inv, zaxis);
for (i = 0 ; i < 39; i++){
float view = (int)snapquats[i][4];
float viewquat_inv_test[4];
float zaxis_test[3]={0,0,1};
invert_qt_qt(viewquat_inv_test, snapquats[i]);
mul_qt_v3(viewquat_inv_test, zaxis_test);
if(angle_v3v3(zaxis_test, zaxis) < DEG2RADF(45/3)) {
/* find the best roll */
float quat_roll[4], quat_final[4], quat_best[4];
float viewquat_align[4]; /* viewquat aligned to zaxis_test */
float viewquat_align_inv[4]; /* viewquat aligned to zaxis_test */
float best_angle = FLT_MAX;
int j;
/* viewquat_align is the original viewquat aligned to the snapped axis
* for testing roll */
rotation_between_vecs_to_quat(viewquat_align, zaxis_test, zaxis);
normalize_qt(viewquat_align);
mul_qt_qtqt(viewquat_align, rv3d->viewquat, viewquat_align);
normalize_qt(viewquat_align);
invert_qt_qt(viewquat_align_inv, viewquat_align);
/* find best roll */
for(j= 0; j<8; j++) {
float angle;
float xaxis1[3]={1,0,0};
float xaxis2[3]={1,0,0};
float quat_final_inv[4];
axis_angle_to_quat(quat_roll, zaxis_test, (float)j * DEG2RADF(45.0f));
normalize_qt(quat_roll);
mul_qt_qtqt(quat_final, snapquats[i], quat_roll);
normalize_qt(quat_final);
/* compare 2 vector angles to find the least roll */
invert_qt_qt(quat_final_inv, quat_final);
mul_qt_v3(viewquat_align_inv, xaxis1);
mul_qt_v3(quat_final_inv, xaxis2);
angle= angle_v3v3(xaxis1, xaxis2);
if(angle <= best_angle) {
best_angle= angle;
copy_qt_qt(quat_best, quat_final);
if(j) view= 0; /* view grid assumes certain up axis */
}
}
copy_qt_qt(rv3d->viewquat, quat_best);
rv3d->view= view; /* if we snap to a rolled camera the grid is invalid */
break;
}
}
}
vod->oldx= x;
vod->oldy= y;
/* avoid precision loss over time */
normalize_qt(rv3d->viewquat);
ED_view3d_camera_lock_sync(vod->v3d, rv3d);
ED_region_tag_redraw(vod->ar);
}
static int viewrotate_modal(bContext *C, wmOperator *op, wmEvent *event)
{
ViewOpsData *vod= op->customdata;
short event_code= VIEW_PASS;
/* execute the events */
if(event->type==MOUSEMOVE) {
event_code= VIEW_APPLY;
}
else if(event->type==EVT_MODAL_MAP) {
switch (event->val) {
case VIEW_MODAL_CONFIRM:
event_code= VIEW_CONFIRM;
break;
case VIEWROT_MODAL_AXIS_SNAP_ENABLE:
vod->axis_snap= TRUE;
event_code= VIEW_APPLY;
break;
case VIEWROT_MODAL_AXIS_SNAP_DISABLE:
vod->axis_snap= FALSE;
event_code= VIEW_APPLY;
break;
case VIEWROT_MODAL_SWITCH_ZOOM:
WM_operator_name_call(C, "VIEW3D_OT_zoom", WM_OP_INVOKE_DEFAULT, NULL);
event_code= VIEW_CONFIRM;
break;
case VIEWROT_MODAL_SWITCH_MOVE:
WM_operator_name_call(C, "VIEW3D_OT_move", WM_OP_INVOKE_DEFAULT, NULL);
event_code= VIEW_CONFIRM;
break;
}
}
else if(event->type==vod->origkey && event->val==KM_RELEASE) {
event_code= VIEW_CONFIRM;
}
if(event_code==VIEW_APPLY) {
viewrotate_apply(vod, event->x, event->y);
}
else if (event_code==VIEW_CONFIRM) {
ED_view3d_depth_tag_update(vod->rv3d);
viewops_data_free(C, op);
return OPERATOR_FINISHED;
}
return OPERATOR_RUNNING_MODAL;
}
static int viewrotate_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
ViewOpsData *vod;
RegionView3D *rv3d;
/* makes op->customdata */
viewops_data_create(C, op, event);
vod= op->customdata;
rv3d= vod->rv3d;
if(rv3d->viewlock) { /* poll should check but in some cases fails, see poll func for details */
viewops_data_free(C, op);
return OPERATOR_PASS_THROUGH;
}
/* switch from camera view when: */
if(rv3d->persp != RV3D_PERSP) {
if (U.uiflag & USER_AUTOPERSP) {
if(!ED_view3d_camera_lock_check(vod->v3d, vod->rv3d)) {
rv3d->persp= RV3D_PERSP;
}
}
else if(rv3d->persp==RV3D_CAMOB) {
/* changed since 2.4x, use the camera view */
if(vod->v3d->camera) {
ED_view3d_from_object(vod->v3d->camera, rv3d->ofs, rv3d->viewquat, &rv3d->dist, NULL);
}
if(!ED_view3d_camera_lock_check(vod->v3d, vod->rv3d)) {
rv3d->persp= rv3d->lpersp;
}
}
ED_region_tag_redraw(vod->ar);
}
if (event->type == MOUSEPAN) {
viewrotate_apply(vod, event->prevx, event->prevy);
ED_view3d_depth_tag_update(rv3d);
viewops_data_free(C, op);
return OPERATOR_FINISHED;
}
else if (event->type == MOUSEROTATE) {
/* MOUSEROTATE performs orbital rotation, so y axis delta is set to 0 */
viewrotate_apply(vod, event->prevx, event->y);
ED_view3d_depth_tag_update(rv3d);
viewops_data_free(C, op);
return OPERATOR_FINISHED;
}
else {
/* add temp handler */
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
}
static int view3d_camera_active_poll(bContext *C)
{
if(ED_operator_view3d_active(C)) {
RegionView3D *rv3d= CTX_wm_region_view3d(C);
if(rv3d && rv3d->persp==RV3D_CAMOB) {
return 1;
}
}
return 0;
}
static int viewrotate_cancel(bContext *C, wmOperator *op)
{
viewops_data_free(C, op);
return OPERATOR_CANCELLED;
}
void VIEW3D_OT_rotate(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Rotate view";
ot->description = "Rotate the view";
ot->idname= "VIEW3D_OT_rotate";
/* api callbacks */
ot->invoke= viewrotate_invoke;
ot->modal= viewrotate_modal;
ot->poll= ED_operator_region_view3d_active;
ot->cancel= viewrotate_cancel;
/* flags */
ot->flag= OPTYPE_BLOCKING|OPTYPE_GRAB_POINTER;
}
// NDOF utility functions
// (should these functions live in this file?)
float ndof_to_axis_angle(struct wmNDOFMotionData* ndof, float axis[3])
{
return ndof->dt * normalize_v3_v3(axis, ndof->rvec);
}
void ndof_to_quat(struct wmNDOFMotionData* ndof, float q[4])
{
float axis[3];
float angle;
angle= ndof_to_axis_angle(ndof, axis);
axis_angle_to_quat(q, axis, angle);
}
/* -- "orbit" navigation (trackball/turntable)
* -- zooming
* -- panning in rotationally-locked views
*/
static int ndof_orbit_invoke(bContext *C, wmOperator *UNUSED(op), wmEvent *event)
{
if (event->type != NDOF_MOTION) {
return OPERATOR_CANCELLED;
}
else {
View3D *v3d= CTX_wm_view3d(C);
RegionView3D* rv3d = CTX_wm_region_view3d(C);
wmNDOFMotionData* ndof = (wmNDOFMotionData*) event->customdata;
ED_view3d_camera_lock_init(v3d, rv3d);
rv3d->rot_angle = 0.f; // off by default, until changed later this function
if (ndof->progress != P_FINISHING) {
const float dt = ndof->dt;
// tune these until everything feels right
const float rot_sensitivity = 1.f;
const float zoom_sensitivity = 1.f;
const float pan_sensitivity = 1.f;
// rather have bool, but...
int has_rotation = rv3d->viewlock != RV3D_LOCKED && !is_zero_v3(ndof->rvec);
float view_inv[4];
invert_qt_qt(view_inv, rv3d->viewquat);
//#define DEBUG_NDOF_MOTION
#ifdef DEBUG_NDOF_MOTION
printf("ndof: T=(%.2f,%.2f,%.2f) R=(%.2f,%.2f,%.2f) dt=%.3f delivered to 3D view\n",
ndof->tx, ndof->ty, ndof->tz, ndof->rx, ndof->ry, ndof->rz, ndof->dt);
#endif
if (ndof->tvec[2]) {
// Zoom!
// velocity should be proportional to the linear velocity attained by rotational motion of same strength
// [got that?]
// proportional to arclength = radius * angle
float zoom_distance = zoom_sensitivity * rv3d->dist * dt * ndof->tvec[2];
if (U.ndof_flag & NDOF_ZOOM_INVERT)
zoom_distance = -zoom_distance;
rv3d->dist += zoom_distance;
}
if (rv3d->viewlock == RV3D_LOCKED) {
/* rotation not allowed -- explore panning options instead */
float pan_vec[3] = {ndof->tvec[0], ndof->tvec[1], 0.0f};
mul_v3_fl(pan_vec, pan_sensitivity * rv3d->dist * dt);
/* transform motion from view to world coordinates */
invert_qt_qt(view_inv, rv3d->viewquat);
mul_qt_v3(view_inv, pan_vec);
/* move center of view opposite of hand motion (this is camera mode, not object mode) */
sub_v3_v3(rv3d->ofs, pan_vec);
}
if (has_rotation) {
rv3d->view = RV3D_VIEW_USER;
if (U.flag & USER_TRACKBALL) {
const int invert_roll = U.ndof_flag & NDOF_ROLL_INVERT_AXIS;
const int invert_tilt = U.ndof_flag & NDOF_TILT_INVERT_AXIS;
const int invert_rot = U.ndof_flag & NDOF_ROTATE_INVERT_AXIS;
float rot[4];
float axis[3];
float angle = rot_sensitivity * ndof_to_axis_angle(ndof, axis);
if (invert_roll)
axis[2] = -axis[2];
if (invert_tilt)
axis[0] = -axis[0];
if (invert_rot)
axis[1] = -axis[1];
// transform rotation axis from view to world coordinates
mul_qt_v3(view_inv, axis);
// update the onscreen doo-dad
rv3d->rot_angle = angle;
copy_v3_v3(rv3d->rot_axis, axis);
axis_angle_to_quat(rot, axis, angle);
// apply rotation
mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, rot);
} else {
/* turntable view code by John Aughey, adapted for 3D mouse by [mce] */
const int invert = U.ndof_flag & NDOF_ORBIT_INVERT_AXES;
float angle, rot[4];
float xvec[3] = {1,0,0};
/* Determine the direction of the x vector (for rotating up and down) */
mul_qt_v3(view_inv, xvec);
/* Perform the up/down rotation */
angle = rot_sensitivity * dt * ndof->rvec[0];
if (invert)
angle = -angle;
rot[0] = cos(angle);
mul_v3_v3fl(rot+1, xvec, sin(angle));
mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, rot);
/* Perform the orbital rotation */
angle = rot_sensitivity * dt * ndof->rvec[1];
if (invert)
angle = -angle;
// update the onscreen doo-dad
rv3d->rot_angle = angle;
rv3d->rot_axis[0] = 0;
rv3d->rot_axis[1] = 0;
rv3d->rot_axis[2] = 1;
rot[0] = cos(angle);
rot[1] = rot[2] = 0.0;
rot[3] = sin(angle);
mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, rot);
}
}
}
ED_view3d_camera_lock_sync(v3d, rv3d);
ED_region_tag_redraw(CTX_wm_region(C));
return OPERATOR_FINISHED;
}
}
void VIEW3D_OT_ndof_orbit(struct wmOperatorType *ot)
{
/* identifiers */
ot->name = "NDOF Orbit View";
ot->description = "Explore every angle of an object using the 3D mouse";
ot->idname = "VIEW3D_OT_ndof_orbit";
/* api callbacks */
ot->invoke = ndof_orbit_invoke;
ot->poll = ED_operator_view3d_active;
/* flags */
ot->flag = 0;
}
/* -- "pan" navigation
* -- zoom or dolly?
*/
static int ndof_pan_invoke(bContext *C, wmOperator *UNUSED(op), wmEvent *event)
{
if (event->type != NDOF_MOTION) {
return OPERATOR_CANCELLED;
}
else {
View3D *v3d= CTX_wm_view3d(C);
RegionView3D* rv3d = CTX_wm_region_view3d(C);
wmNDOFMotionData* ndof = (wmNDOFMotionData*) event->customdata;
ED_view3d_camera_lock_init(v3d, rv3d);
rv3d->rot_angle = 0.f; // we're panning here! so erase any leftover rotation from other operators
if (ndof->progress != P_FINISHING) {
const float dt = ndof->dt;
float view_inv[4];
#if 0 // ------------------------------------------- zoom with Z
// tune these until everything feels right
const float zoom_sensitivity = 1.f;
const float pan_sensitivity = 1.f;
float pan_vec[3] = {
ndof->tx, ndof->ty, 0
};
// "zoom in" or "translate"? depends on zoom mode in user settings?
if (ndof->tz) {
float zoom_distance = zoom_sensitivity * rv3d->dist * dt * ndof->tz;
rv3d->dist += zoom_distance;
}
mul_v3_fl(pan_vec, pan_sensitivity * rv3d->dist * dt);
#else // ------------------------------------------------------- dolly with Z
float speed = 10.f; // blender units per second
// ^^ this is ok for default cube scene, but should scale with.. something
// tune these until everything feels right
const float forward_sensitivity = 1.f;
const float vertical_sensitivity = 0.4f;
const float lateral_sensitivity = 0.6f;
const int invert_panx = U.ndof_flag & NDOF_PANX_INVERT_AXIS;
const int invert_pany = U.ndof_flag & NDOF_PANY_INVERT_AXIS;
const int invert_panz = U.ndof_flag & NDOF_PANZ_INVERT_AXIS;
float pan_vec[3];
if (invert_panx)
pan_vec[0] = -lateral_sensitivity * ndof->tvec[0];
else
pan_vec[0] = lateral_sensitivity * ndof->tvec[0];
if (invert_panz)
pan_vec[1] = -vertical_sensitivity * ndof->tvec[1];
else
pan_vec[1] = vertical_sensitivity * ndof->tvec[1];
if (invert_pany)
pan_vec[2] = -forward_sensitivity * ndof->tvec[2];
else
pan_vec[2] = forward_sensitivity * ndof->tvec[2];
mul_v3_fl(pan_vec, speed * dt);
#endif
/* transform motion from view to world coordinates */
invert_qt_qt(view_inv, rv3d->viewquat);
mul_qt_v3(view_inv, pan_vec);
/* move center of view opposite of hand motion (this is camera mode, not object mode) */
sub_v3_v3(rv3d->ofs, pan_vec);
}
ED_view3d_camera_lock_sync(v3d, rv3d);
ED_region_tag_redraw(CTX_wm_region(C));
return OPERATOR_FINISHED;
}
}
void VIEW3D_OT_ndof_pan(struct wmOperatorType *ot)
{
/* identifiers */
ot->name = "NDOF Pan View";
ot->description = "Position your viewpoint with the 3D mouse";
ot->idname = "VIEW3D_OT_ndof_pan";
/* api callbacks */
ot->invoke = ndof_pan_invoke;
ot->poll = ED_operator_view3d_active;
/* flags */
ot->flag = 0;
}
/* ************************ viewmove ******************************** */
/* NOTE: these defines are saved in keymap files, do not change values but just add new ones */
/* called in transform_ops.c, on each regeneration of keymaps */
void viewmove_modal_keymap(wmKeyConfig *keyconf)
{
static EnumPropertyItem modal_items[] = {
{VIEW_MODAL_CONFIRM, "CONFIRM", 0, "Confirm", ""},
{VIEWROT_MODAL_SWITCH_ZOOM, "SWITCH_TO_ZOOM", 0, "Switch to Zoom"},
{VIEWROT_MODAL_SWITCH_ROTATE, "SWITCH_TO_ROTATE", 0, "Switch to Rotate"},
{0, NULL, 0, NULL, NULL}};
wmKeyMap *keymap= WM_modalkeymap_get(keyconf, "View3D Move Modal");
/* this function is called for each spacetype, only needs to add map once */
if(keymap) return;
keymap= WM_modalkeymap_add(keyconf, "View3D Move Modal", modal_items);
/* items for modal map */
WM_modalkeymap_add_item(keymap, MIDDLEMOUSE, KM_RELEASE, KM_ANY, 0, VIEW_MODAL_CONFIRM);
WM_modalkeymap_add_item(keymap, ESCKEY, KM_PRESS, KM_ANY, 0, VIEW_MODAL_CONFIRM);
/* disabled mode switching for now, can re-implement better, later on
WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_PRESS, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ZOOM);
WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_PRESS, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ZOOM);
WM_modalkeymap_add_item(keymap, LEFTSHIFTKEY, KM_RELEASE, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ROTATE);
*/
/* assign map to operators */
WM_modalkeymap_assign(keymap, "VIEW3D_OT_move");
}
static void viewmove_apply(ViewOpsData *vod, int x, int y)
{
if((vod->rv3d->persp==RV3D_CAMOB) && !ED_view3d_camera_lock_check(vod->v3d, vod->rv3d)) {
const float zoomfac= BKE_screen_view3d_zoom_to_fac((float)vod->rv3d->camzoom) * 2.0f;
vod->rv3d->camdx += (vod->oldx - x)/(vod->ar->winx * zoomfac);
vod->rv3d->camdy += (vod->oldy - y)/(vod->ar->winy * zoomfac);
CLAMP(vod->rv3d->camdx, -1.0f, 1.0f);
CLAMP(vod->rv3d->camdy, -1.0f, 1.0f);
}
else {
float dvec[3];
float mval_f[2];
mval_f[0]= x - vod->oldx;
mval_f[1]= y - vod->oldy;
ED_view3d_win_to_delta(vod->ar, mval_f, dvec);
add_v3_v3(vod->rv3d->ofs, dvec);
if(vod->rv3d->viewlock & RV3D_BOXVIEW)
view3d_boxview_sync(vod->sa, vod->ar);
}
vod->oldx= x;
vod->oldy= y;
ED_view3d_camera_lock_sync(vod->v3d, vod->rv3d);
ED_region_tag_redraw(vod->ar);
}
static int viewmove_modal(bContext *C, wmOperator *op, wmEvent *event)
{
ViewOpsData *vod= op->customdata;
short event_code= VIEW_PASS;
/* execute the events */
if(event->type==MOUSEMOVE) {
event_code= VIEW_APPLY;
}
else if(event->type==EVT_MODAL_MAP) {
switch (event->val) {
case VIEW_MODAL_CONFIRM:
event_code= VIEW_CONFIRM;
break;
case VIEWROT_MODAL_SWITCH_ZOOM:
WM_operator_name_call(C, "VIEW3D_OT_zoom", WM_OP_INVOKE_DEFAULT, NULL);
event_code= VIEW_CONFIRM;
break;
case VIEWROT_MODAL_SWITCH_ROTATE:
WM_operator_name_call(C, "VIEW3D_OT_rotate", WM_OP_INVOKE_DEFAULT, NULL);
event_code= VIEW_CONFIRM;
break;
}
}
else if(event->type==vod->origkey && event->val==KM_RELEASE) {
event_code= VIEW_CONFIRM;
}
if(event_code==VIEW_APPLY) {
viewmove_apply(vod, event->x, event->y);
}
else if (event_code==VIEW_CONFIRM) {
ED_view3d_depth_tag_update(vod->rv3d);
viewops_data_free(C, op);
return OPERATOR_FINISHED;
}
return OPERATOR_RUNNING_MODAL;
}
static int viewmove_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
ViewOpsData *vod;
/* makes op->customdata */
viewops_data_create(C, op, event);
vod= op->customdata;
if (event->type == MOUSEPAN) {
viewmove_apply(vod, event->prevx, event->prevy);
ED_view3d_depth_tag_update(vod->rv3d);
viewops_data_free(C, op);
return OPERATOR_FINISHED;
}
else {
/* add temp handler */
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
}
static int viewmove_cancel(bContext *C, wmOperator *op)
{
viewops_data_free(C, op);
return OPERATOR_CANCELLED;
}
void VIEW3D_OT_move(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Move view";
ot->description = "Move the view";
ot->idname= "VIEW3D_OT_move";
/* api callbacks */
ot->invoke= viewmove_invoke;
ot->modal= viewmove_modal;
ot->poll= ED_operator_view3d_active;
ot->cancel= viewmove_cancel;
/* flags */
ot->flag= OPTYPE_BLOCKING|OPTYPE_GRAB_POINTER;
}
/* ************************ viewzoom ******************************** */
/* viewdolly_modal_keymap has an exact copy of this, apply fixes to both */
/* called in transform_ops.c, on each regeneration of keymaps */
void viewzoom_modal_keymap(wmKeyConfig *keyconf)
{
static EnumPropertyItem modal_items[] = {
{VIEW_MODAL_CONFIRM, "CONFIRM", 0, "Confirm", ""},
{VIEWROT_MODAL_SWITCH_ROTATE, "SWITCH_TO_ROTATE", 0, "Switch to Rotate"},
{VIEWROT_MODAL_SWITCH_MOVE, "SWITCH_TO_MOVE", 0, "Switch to Move"},
{0, NULL, 0, NULL, NULL}};
wmKeyMap *keymap= WM_modalkeymap_get(keyconf, "View3D Zoom Modal");
/* this function is called for each spacetype, only needs to add map once */
if(keymap) return;
keymap= WM_modalkeymap_add(keyconf, "View3D Zoom Modal", modal_items);
/* items for modal map */
WM_modalkeymap_add_item(keymap, MIDDLEMOUSE, KM_RELEASE, KM_ANY, 0, VIEW_MODAL_CONFIRM);
WM_modalkeymap_add_item(keymap, ESCKEY, KM_PRESS, KM_ANY, 0, VIEW_MODAL_CONFIRM);
/* disabled mode switching for now, can re-implement better, later on
WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_RELEASE, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ROTATE);
WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_RELEASE, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ROTATE);
WM_modalkeymap_add_item(keymap, LEFTSHIFTKEY, KM_PRESS, KM_ANY, 0, VIEWROT_MODAL_SWITCH_MOVE);
*/
/* assign map to operators */
WM_modalkeymap_assign(keymap, "VIEW3D_OT_zoom");
}
static void view_zoom_mouseloc(ARegion *ar, float dfac, int mx, int my)
{
RegionView3D *rv3d= ar->regiondata;
if(U.uiflag & USER_ZOOM_TO_MOUSEPOS) {
float dvec[3];
float tvec[3];
float tpos[3];
float mval_f[2];
float new_dist;
negate_v3_v3(tpos, rv3d->ofs);
/* Project cursor position into 3D space */
initgrabz(rv3d, tpos[0], tpos[1], tpos[2]);
mval_f[0]= (float)(((mx - ar->winrct.xmin) * 2) - ar->winx) / 2.0f;
mval_f[1]= (float)(((my - ar->winrct.ymin) * 2) - ar->winy) / 2.0f;
ED_view3d_win_to_delta(ar, mval_f, dvec);
/* Calculate view target position for dolly */
add_v3_v3v3(tvec, tpos, dvec);
negate_v3(tvec);
/* Offset to target position and dolly */
new_dist = rv3d->dist * dfac;
copy_v3_v3(rv3d->ofs, tvec);
rv3d->dist = new_dist;
/* Calculate final offset */
madd_v3_v3v3fl(rv3d->ofs, tvec, dvec, dfac);
} else {
rv3d->dist *= dfac;
}
}
static void viewzoom_apply(ViewOpsData *vod, int x, int y, const short viewzoom, const short zoom_invert)
{
float zfac=1.0;
if(viewzoom==USER_ZOOM_CONT) {
double time= PIL_check_seconds_timer();
float time_step= (float)(time - vod->timer_lastdraw);
float fac;
if (U.uiflag & USER_ZOOM_HORIZ) {
fac= (float)(x - vod->origx);
}
else {
fac= (float)(y - vod->origy);
}
if(zoom_invert) {
fac= -fac;
}
// oldstyle zoom
zfac = 1.0f + ((fac / 20.0f) * time_step);
vod->timer_lastdraw= time;
}
else if(viewzoom==USER_ZOOM_SCALE) {
int ctr[2], len1, len2;
// method which zooms based on how far you move the mouse
ctr[0] = (vod->ar->winrct.xmax + vod->ar->winrct.xmin)/2;
ctr[1] = (vod->ar->winrct.ymax + vod->ar->winrct.ymin)/2;
len1 = (int)sqrt((ctr[0] - x)*(ctr[0] - x) + (ctr[1] - y)*(ctr[1] - y)) + 5;
len2 = (int)sqrt((ctr[0] - vod->origx)*(ctr[0] - vod->origx) + (ctr[1] - vod->origy)*(ctr[1] - vod->origy)) + 5;
zfac = vod->dist0 * ((float)len2/len1) / vod->rv3d->dist;
}
else { /* USER_ZOOM_DOLLY */
float len1, len2;
if (U.uiflag & USER_ZOOM_HORIZ) {
len1 = (vod->ar->winrct.xmax - x) + 5;
len2 = (vod->ar->winrct.xmax - vod->origx) + 5;
}
else {
len1 = (vod->ar->winrct.ymax - y) + 5;
len2 = (vod->ar->winrct.ymax - vod->origy) + 5;
}
if (zoom_invert) {
SWAP(float, len1, len2);
}
zfac = vod->dist0 * (2.0f * ((len2/len1)-1.0f) + 1.0f) / vod->rv3d->dist;
}
if(zfac != 1.0f && zfac*vod->rv3d->dist > 0.001f * vod->grid &&
zfac * vod->rv3d->dist < 10.0f * vod->far)
view_zoom_mouseloc(vod->ar, zfac, vod->oldx, vod->oldy);
/* these limits were in old code too */
if(vod->rv3d->dist<0.001f * vod->grid) vod->rv3d->dist= 0.001f * vod->grid;
if(vod->rv3d->dist>10.0f * vod->far) vod->rv3d->dist=10.0f * vod->far;
if(vod->rv3d->viewlock & RV3D_BOXVIEW)
view3d_boxview_sync(vod->sa, vod->ar);
ED_view3d_camera_lock_sync(vod->v3d, vod->rv3d);
ED_region_tag_redraw(vod->ar);
}
static int viewzoom_modal(bContext *C, wmOperator *op, wmEvent *event)
{
ViewOpsData *vod= op->customdata;
short event_code= VIEW_PASS;
/* execute the events */
if (event->type == TIMER && event->customdata == vod->timer) {
/* continuous zoom */
event_code= VIEW_APPLY;
}
else if(event->type==MOUSEMOVE) {
event_code= VIEW_APPLY;
}
else if(event->type==EVT_MODAL_MAP) {
switch (event->val) {
case VIEW_MODAL_CONFIRM:
event_code= VIEW_CONFIRM;
break;
case VIEWROT_MODAL_SWITCH_MOVE:
WM_operator_name_call(C, "VIEW3D_OT_move", WM_OP_INVOKE_DEFAULT, NULL);
event_code= VIEW_CONFIRM;
break;
case VIEWROT_MODAL_SWITCH_ROTATE:
WM_operator_name_call(C, "VIEW3D_OT_rotate", WM_OP_INVOKE_DEFAULT, NULL);
event_code= VIEW_CONFIRM;
break;
}
}
else if(event->type==vod->origkey && event->val==KM_RELEASE) {
event_code= VIEW_CONFIRM;
}
if(event_code==VIEW_APPLY) {
viewzoom_apply(vod, event->x, event->y, U.viewzoom, (U.uiflag & USER_ZOOM_INVERT) != 0);
}
else if (event_code==VIEW_CONFIRM) {
ED_view3d_depth_tag_update(vod->rv3d);
viewops_data_free(C, op);
return OPERATOR_FINISHED;
}
return OPERATOR_RUNNING_MODAL;
}
static int viewzoom_exec(bContext *C, wmOperator *op)
{
View3D *v3d;
RegionView3D *rv3d;
ScrArea *sa;
ARegion *ar;
short use_cam_zoom;
int delta= RNA_int_get(op->ptr, "delta");
int mx, my;
if(op->customdata) {
ViewOpsData *vod= op->customdata;
sa= vod->sa;
ar= vod->ar;
}
else {
sa= CTX_wm_area(C);
ar= CTX_wm_region(C);
}
v3d= sa->spacedata.first;
rv3d= ar->regiondata;
mx= RNA_property_is_set(op->ptr, "mx") ? RNA_int_get(op->ptr, "mx") : ar->winx / 2;
my= RNA_property_is_set(op->ptr, "my") ? RNA_int_get(op->ptr, "my") : ar->winy / 2;
use_cam_zoom= (rv3d->persp==RV3D_CAMOB) && !(rv3d->is_persp && ED_view3d_camera_lock_check(v3d, rv3d));
if(delta < 0) {
/* this min and max is also in viewmove() */
if(use_cam_zoom) {
rv3d->camzoom-= 10;
if(rv3d->camzoom < RV3D_CAMZOOM_MIN) rv3d->camzoom= RV3D_CAMZOOM_MIN;
}
else if(rv3d->dist < 10.0f * v3d->far) {
view_zoom_mouseloc(ar, 1.2f, mx, my);
}
}
else {
if(use_cam_zoom) {
rv3d->camzoom+= 10;
if(rv3d->camzoom > RV3D_CAMZOOM_MAX) rv3d->camzoom= RV3D_CAMZOOM_MAX;
}
else if(rv3d->dist> 0.001f * v3d->grid) {
view_zoom_mouseloc(ar, .83333f, mx, my);
}
}
if(rv3d->viewlock & RV3D_BOXVIEW)
view3d_boxview_sync(sa, ar);
ED_view3d_depth_tag_update(rv3d);
ED_view3d_camera_lock_sync(v3d, rv3d);
ED_region_tag_redraw(ar);
viewops_data_free(C, op);
return OPERATOR_FINISHED;
}
/* this is an exact copy of viewzoom_modal_keymap */
/* called in transform_ops.c, on each regeneration of keymaps */
void viewdolly_modal_keymap(wmKeyConfig *keyconf)
{
static EnumPropertyItem modal_items[] = {
{VIEW_MODAL_CONFIRM, "CONFIRM", 0, "Confirm", ""},
{VIEWROT_MODAL_SWITCH_ROTATE, "SWITCH_TO_ROTATE", 0, "Switch to Rotate"},
{VIEWROT_MODAL_SWITCH_MOVE, "SWITCH_TO_MOVE", 0, "Switch to Move"},
{0, NULL, 0, NULL, NULL}};
wmKeyMap *keymap= WM_modalkeymap_get(keyconf, "View3D Dolly Modal");
/* this function is called for each spacetype, only needs to add map once */
if(keymap) return;
keymap= WM_modalkeymap_add(keyconf, "View3D Dolly Modal", modal_items);
/* items for modal map */
WM_modalkeymap_add_item(keymap, MIDDLEMOUSE, KM_RELEASE, KM_ANY, 0, VIEW_MODAL_CONFIRM);
WM_modalkeymap_add_item(keymap, ESCKEY, KM_PRESS, KM_ANY, 0, VIEW_MODAL_CONFIRM);
/* disabled mode switching for now, can re-implement better, later on
WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_RELEASE, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ROTATE);
WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_RELEASE, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ROTATE);
WM_modalkeymap_add_item(keymap, LEFTSHIFTKEY, KM_PRESS, KM_ANY, 0, VIEWROT_MODAL_SWITCH_MOVE);
*/
/* assign map to operators */
WM_modalkeymap_assign(keymap, "VIEW3D_OT_dolly");
}
/* viewdolly_invoke() copied this function, changes here may apply there */
static int viewzoom_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
ViewOpsData *vod;
/* makes op->customdata */
viewops_data_create(C, op, event);
vod= op->customdata;
/* if one or the other zoom position aren't set, set from event */
if (!RNA_property_is_set(op->ptr, "mx") || !RNA_property_is_set(op->ptr, "my")) {
RNA_int_set(op->ptr, "mx", event->x);
RNA_int_set(op->ptr, "my", event->y);
}
if(RNA_property_is_set(op->ptr, "delta")) {
viewzoom_exec(C, op);
}
else {
if (event->type == MOUSEZOOM) {
/* Bypass Zoom invert flag for track pads (pass FALSE always) */
if (U.uiflag & USER_ZOOM_HORIZ) {
vod->origx = vod->oldx = event->x;
viewzoom_apply(vod, event->prevx, event->prevy, USER_ZOOM_DOLLY, FALSE);
}
else {
/* Set y move = x move as MOUSEZOOM uses only x axis to pass magnification value */
vod->origy = vod->oldy = vod->origy + event->x - event->prevx;
viewzoom_apply(vod, event->prevx, event->prevy, USER_ZOOM_DOLLY, FALSE);
}
ED_view3d_depth_tag_update(vod->rv3d);
viewops_data_free(C, op);
return OPERATOR_FINISHED;
}
else {
if(U.viewzoom == USER_ZOOM_CONT) {
/* needs a timer to continue redrawing */
vod->timer= WM_event_add_timer(CTX_wm_manager(C), CTX_wm_window(C), TIMER, 0.01f);
vod->timer_lastdraw= PIL_check_seconds_timer();
}
/* add temp handler */
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
}
return OPERATOR_FINISHED;
}
static int viewzoom_cancel(bContext *C, wmOperator *op)
{
viewops_data_free(C, op);
return OPERATOR_CANCELLED;
}
void VIEW3D_OT_zoom(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Zoom View";
ot->description = "Zoom in/out in the view";
ot->idname= "VIEW3D_OT_zoom";
/* api callbacks */
ot->invoke= viewzoom_invoke;
ot->exec= viewzoom_exec;
ot->modal= viewzoom_modal;
ot->poll= ED_operator_region_view3d_active;
ot->cancel= viewzoom_cancel;
/* flags */
ot->flag= OPTYPE_BLOCKING|OPTYPE_GRAB_POINTER;
RNA_def_int(ot->srna, "delta", 0, INT_MIN, INT_MAX, "Delta", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "mx", 0, 0, INT_MAX, "Zoom Position X", "", 0, INT_MAX);
RNA_def_int(ot->srna, "my", 0, 0, INT_MAX, "Zoom Position Y", "", 0, INT_MAX);
}
/* ************************ viewdolly ******************************** */
static void view_dolly_mouseloc(ARegion *ar, float orig_ofs[3], float dvec[3], float dfac)
{
RegionView3D *rv3d= ar->regiondata;
madd_v3_v3v3fl(rv3d->ofs, orig_ofs, dvec, -(1.0f - dfac));
}
static void viewdolly_apply(ViewOpsData *vod, int x, int y, const short zoom_invert)
{
float zfac=1.0;
{
float len1, len2;
if (U.uiflag & USER_ZOOM_HORIZ) {
len1 = (vod->ar->winrct.xmax - x) + 5;
len2 = (vod->ar->winrct.xmax - vod->origx) + 5;
}
else {
len1 = (vod->ar->winrct.ymax - y) + 5;
len2 = (vod->ar->winrct.ymax - vod->origy) + 5;
}
if (zoom_invert)
SWAP(float, len1, len2);
zfac = 1.0f + ((len2 - len1) * 0.01f * vod->rv3d->dist);
}
if(zfac != 1.0f)
view_dolly_mouseloc(vod->ar, vod->ofs, vod->mousevec, zfac);
if(vod->rv3d->viewlock & RV3D_BOXVIEW)
view3d_boxview_sync(vod->sa, vod->ar);
ED_view3d_camera_lock_sync(vod->v3d, vod->rv3d);
ED_region_tag_redraw(vod->ar);
}
static int viewdolly_modal(bContext *C, wmOperator *op, wmEvent *event)
{
ViewOpsData *vod= op->customdata;
short event_code= VIEW_PASS;
/* execute the events */
if(event->type==MOUSEMOVE) {
event_code= VIEW_APPLY;
}
else if(event->type==EVT_MODAL_MAP) {
switch (event->val) {
case VIEW_MODAL_CONFIRM:
event_code= VIEW_CONFIRM;
break;
case VIEWROT_MODAL_SWITCH_MOVE:
WM_operator_name_call(C, "VIEW3D_OT_move", WM_OP_INVOKE_DEFAULT, NULL);
event_code= VIEW_CONFIRM;
break;
case VIEWROT_MODAL_SWITCH_ROTATE:
WM_operator_name_call(C, "VIEW3D_OT_rotate", WM_OP_INVOKE_DEFAULT, NULL);
event_code= VIEW_CONFIRM;
break;
}
}
else if(event->type==vod->origkey && event->val==KM_RELEASE) {
event_code= VIEW_CONFIRM;
}
if(event_code==VIEW_APPLY) {
viewdolly_apply(vod, event->x, event->y, (U.uiflag & USER_ZOOM_INVERT) != 0);
}
else if (event_code==VIEW_CONFIRM) {
ED_view3d_depth_tag_update(vod->rv3d);
viewops_data_free(C, op);
return OPERATOR_FINISHED;
}
return OPERATOR_RUNNING_MODAL;
}
static int viewdolly_exec(bContext *C, wmOperator *op)
{
/* View3D *v3d; */
RegionView3D *rv3d;
ScrArea *sa;
ARegion *ar;
float mousevec[3];
int delta= RNA_int_get(op->ptr, "delta");
if(op->customdata) {
ViewOpsData *vod= op->customdata;
sa= vod->sa;
ar= vod->ar;
copy_v3_v3(mousevec, vod->mousevec);
}
else {
sa= CTX_wm_area(C);
ar= CTX_wm_region(C);
negate_v3_v3(mousevec, ((RegionView3D *)ar->regiondata)->viewinv[2]);
normalize_v3(mousevec);
}
/* v3d= sa->spacedata.first; */ /* UNUSED */
rv3d= ar->regiondata;
/* overwrite the mouse vector with the view direction (zoom into the center) */
if((U.uiflag & USER_ZOOM_TO_MOUSEPOS) == 0) {
normalize_v3_v3(mousevec, rv3d->viewinv[2]);
}
if(delta < 0) {
view_dolly_mouseloc(ar, rv3d->ofs, mousevec, 1.2f);
}
else {
view_dolly_mouseloc(ar, rv3d->ofs, mousevec, .83333f);
}
if(rv3d->viewlock & RV3D_BOXVIEW)
view3d_boxview_sync(sa, ar);
ED_view3d_depth_tag_update(rv3d);
ED_region_tag_redraw(ar);
viewops_data_free(C, op);
return OPERATOR_FINISHED;
}
/* copied from viewzoom_invoke(), changes here may apply there */
static int viewdolly_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
ViewOpsData *vod;
/* makes op->customdata */
viewops_data_create(C, op, event);
vod= op->customdata;
/* if one or the other zoom position aren't set, set from event */
if (!RNA_property_is_set(op->ptr, "mx") || !RNA_property_is_set(op->ptr, "my")) {
RNA_int_set(op->ptr, "mx", event->x);
RNA_int_set(op->ptr, "my", event->y);
}
if(RNA_property_is_set(op->ptr, "delta")) {
viewdolly_exec(C, op);
}
else {
/* overwrite the mouse vector with the view direction (zoom into the center) */
if((U.uiflag & USER_ZOOM_TO_MOUSEPOS) == 0) {
negate_v3_v3(vod->mousevec, vod->rv3d->viewinv[2]);
normalize_v3(vod->mousevec);
}
if (event->type == MOUSEZOOM) {
/* Bypass Zoom invert flag for track pads (pass FALSE always) */
if (U.uiflag & USER_ZOOM_HORIZ) {
vod->origx = vod->oldx = event->x;
viewdolly_apply(vod, event->prevx, event->prevy, FALSE);
}
else {
/* Set y move = x move as MOUSEZOOM uses only x axis to pass magnification value */
vod->origy = vod->oldy = vod->origy + event->x - event->prevx;
viewdolly_apply(vod, event->prevx, event->prevy, FALSE);
}
ED_view3d_depth_tag_update(vod->rv3d);
viewops_data_free(C, op);
return OPERATOR_FINISHED;
}
else {
/* add temp handler */
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
}
return OPERATOR_FINISHED;
}
/* like ED_operator_region_view3d_active but check its not in ortho view */
static int viewdolly_poll(bContext *C)
{
RegionView3D *rv3d= CTX_wm_region_view3d(C);
if(rv3d) {
if (rv3d->persp == RV3D_PERSP) {
return 1;
}
else {
View3D *v3d= CTX_wm_view3d(C);
if (ED_view3d_camera_lock_check(v3d, rv3d)) {
return 1;
}
}
}
return 0;
}
static int viewdolly_cancel(bContext *C, wmOperator *op)
{
viewops_data_free(C, op);
return OPERATOR_CANCELLED;
}
void VIEW3D_OT_dolly(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Dolly view";
ot->description = "Dolly in/out in the view";
ot->idname= "VIEW3D_OT_dolly";
/* api callbacks */
ot->invoke= viewdolly_invoke;
ot->exec= viewdolly_exec;
ot->modal= viewdolly_modal;
ot->poll= viewdolly_poll;
ot->cancel= viewdolly_cancel;
/* flags */
ot->flag= OPTYPE_BLOCKING|OPTYPE_GRAB_POINTER;
RNA_def_int(ot->srna, "delta", 0, INT_MIN, INT_MAX, "Delta", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "mx", 0, 0, INT_MAX, "Zoom Position X", "", 0, INT_MAX);
RNA_def_int(ot->srna, "my", 0, 0, INT_MAX, "Zoom Position Y", "", 0, INT_MAX);
}
static int view3d_all_exec(bContext *C, wmOperator *op) /* was view3d_home() in 2.4x */
{
ARegion *ar= CTX_wm_region(C);
View3D *v3d = CTX_wm_view3d(C);
RegionView3D *rv3d= CTX_wm_region_view3d(C);
Scene *scene= CTX_data_scene(C);
Base *base;
float *curs;
const short skip_camera= ED_view3d_camera_lock_check(v3d, rv3d);
int center= RNA_boolean_get(op->ptr, "center");
float size, min[3], max[3], afm[3];
int ok= 1, onedone=0;
if(center) {
/* in 2.4x this also move the cursor to (0, 0, 0) (with shift+c). */
curs= give_cursor(scene, v3d);
zero_v3(min);
zero_v3(max);
zero_v3(curs);
}
else {
INIT_MINMAX(min, max);
}
for(base= scene->base.first; base; base= base->next) {
if(BASE_VISIBLE(v3d, base)) {
onedone= 1;
if(skip_camera && base->object == v3d->camera) {
continue;
}
minmax_object(base->object, min, max);
}
}
if(!onedone) {
ED_region_tag_redraw(ar);
/* TODO - should this be cancel?
* I think no, because we always move the cursor, with or without
* object, but in this case there is no change in the scene,
* only the cursor so I choice a ED_region_tag like
* smooth_view do for the center_cursor.
* See bug #22640
*/
return OPERATOR_FINISHED;
}
sub_v3_v3v3(afm, max, min);
size= 0.7f*MAX3(afm[0], afm[1], afm[2]);
if(size == 0.0f) ok= 0;
if(ok) {
float new_dist;
float new_ofs[3];
new_dist = size;
new_ofs[0]= -(min[0]+max[0])/2.0f;
new_ofs[1]= -(min[1]+max[1])/2.0f;
new_ofs[2]= -(min[2]+max[2])/2.0f;
// correction for window aspect ratio
if(ar->winy>2 && ar->winx>2) {
size= (float)ar->winx/(float)ar->winy;
if(size < 1.0f) size= 1.0f/size;
new_dist*= size;
}
if ((rv3d->persp==RV3D_CAMOB) && !ED_view3d_camera_lock_check(v3d, rv3d)) {
rv3d->persp= RV3D_PERSP;
smooth_view(C, v3d, ar, v3d->camera, NULL, new_ofs, NULL, &new_dist, NULL);
}
else {
smooth_view(C, v3d, ar, NULL, NULL, new_ofs, NULL, &new_dist, NULL);
}
}
// XXX BIF_view3d_previewrender_signal(curarea, PR_DBASE|PR_DISPRECT);
WM_event_add_notifier(C, NC_SPACE|ND_SPACE_VIEW3D, v3d);
return OPERATOR_FINISHED;
}
void VIEW3D_OT_view_all(wmOperatorType *ot)
{
/* identifiers */
ot->name= "View All";
ot->description = "View all objects in scene";
ot->idname= "VIEW3D_OT_view_all";
/* api callbacks */
ot->exec= view3d_all_exec;
ot->poll= ED_operator_region_view3d_active;
/* flags */
ot->flag= 0;
RNA_def_boolean(ot->srna, "center", 0, "Center", "");
}
static int viewselected_exec(bContext *C, wmOperator *UNUSED(op)) /* like a localview without local!, was centerview() in 2.4x */
{
ARegion *ar= CTX_wm_region(C);
View3D *v3d = CTX_wm_view3d(C);
RegionView3D *rv3d= CTX_wm_region_view3d(C);
Scene *scene= CTX_data_scene(C);
Object *ob= OBACT;
Object *obedit= CTX_data_edit_object(C);
float size, min[3], max[3], afm[3];
int ok=0, ok_dist=1;
const short skip_camera= ED_view3d_camera_lock_check(v3d, rv3d);
/* SMOOTHVIEW */
float new_ofs[3];
float new_dist;
INIT_MINMAX(min, max);
if (ob && ob->mode & OB_MODE_WEIGHT_PAINT) {
/* hardcoded exception, we look for the one selected armature */
/* this is weak code this way, we should make a generic active/selection callback interface once... */
Base *base;
for(base=scene->base.first; base; base= base->next) {
if(TESTBASELIB(v3d, base)) {
if(base->object->type==OB_ARMATURE)
if(base->object->mode & OB_MODE_POSE)
break;
}
}
if(base)
ob= base->object;
}
if(obedit) {
ok = minmax_verts(obedit, min, max); /* only selected */
}
else if(ob && (ob->mode & OB_MODE_POSE)) {
if(ob->pose) {
bArmature *arm= ob->data;
bPoseChannel *pchan;
float vec[3];
for(pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) {
if(pchan->bone->flag & BONE_SELECTED) {
if(pchan->bone->layer & arm->layer) {
bPoseChannel *pchan_tx= pchan->custom_tx ? pchan->custom_tx : pchan;
ok= 1;
mul_v3_m4v3(vec, ob->obmat, pchan_tx->pose_head);
DO_MINMAX(vec, min, max);
mul_v3_m4v3(vec, ob->obmat, pchan_tx->pose_tail);
DO_MINMAX(vec, min, max);
}
}
}
}
}
else if (paint_facesel_test(ob)) {
ok= paintface_minmax(ob, min, max);
}
else if (ob && (ob->mode & OB_MODE_PARTICLE_EDIT)) {
ok= PE_minmax(scene, min, max);
}
else {
Base *base;
for(base= FIRSTBASE; base; base = base->next) {
if(TESTBASE(v3d, base)) {
if(skip_camera && base->object == v3d->camera) {
continue;
}
/* account for duplis */
if (minmax_object_duplis(scene, base->object, min, max)==0)
minmax_object(base->object, min, max); /* use if duplis not found */
ok= 1;
}
}
}
if(ok==0) return OPERATOR_FINISHED;
sub_v3_v3v3(afm, max, min);
size= MAX3(afm[0], afm[1], afm[2]);
if(!rv3d->is_persp) {
if(size < 0.0001f) { /* if its a sinble point. dont even re-scale */
ok_dist= 0;
}
else {
/* perspective should be a bit farther away to look nice */
size*= 0.7f;
}
}
else {
if(size <= v3d->near*1.5f) {
size= v3d->near*1.5f;
}
}
add_v3_v3v3(new_ofs, min, max);
mul_v3_fl(new_ofs, -0.5f);
new_dist = size;
/* correction for window aspect ratio */
if(ar->winy>2 && ar->winx>2) {
size= (float)ar->winx/(float)ar->winy;
if(size<1.0f) size= 1.0f/size;
new_dist*= size;
}
if (rv3d->persp==RV3D_CAMOB && !ED_view3d_camera_lock_check(v3d, rv3d)) {
rv3d->persp= RV3D_PERSP;
smooth_view(C, v3d, ar, v3d->camera, NULL, new_ofs, NULL, &new_dist, NULL);
}
else {
smooth_view(C, v3d, ar, NULL, NULL, new_ofs, NULL, ok_dist ? &new_dist : NULL, NULL);
}
/* smooth view does viewlock RV3D_BOXVIEW copy */
// XXX BIF_view3d_previewrender_signal(curarea, PR_DBASE|PR_DISPRECT);
return OPERATOR_FINISHED;
}
void VIEW3D_OT_view_selected(wmOperatorType *ot)
{
/* identifiers */
ot->name= "View Selected";
ot->description = "Move the view to the selection center";
ot->idname= "VIEW3D_OT_view_selected";
/* api callbacks */
ot->exec= viewselected_exec;
ot->poll= ED_operator_region_view3d_active;
/* flags */
ot->flag= 0;
}
static int viewcenter_cursor_exec(bContext *C, wmOperator *UNUSED(op))
{
View3D *v3d = CTX_wm_view3d(C);
RegionView3D *rv3d= CTX_wm_region_view3d(C);
Scene *scene= CTX_data_scene(C);
if (rv3d) {
ARegion *ar= CTX_wm_region(C);
/* non camera center */
float new_ofs[3];
negate_v3_v3(new_ofs, give_cursor(scene, v3d));
smooth_view(C, v3d, ar, NULL, NULL, new_ofs, NULL, NULL, NULL);
/* smooth view does viewlock RV3D_BOXVIEW copy */
}
return OPERATOR_FINISHED;
}
void VIEW3D_OT_view_center_cursor(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Center View to Cursor";
ot->description= "Center the view so that the cursor is in the middle of the view";
ot->idname= "VIEW3D_OT_view_center_cursor";
/* api callbacks */
ot->exec= viewcenter_cursor_exec;
ot->poll= ED_operator_view3d_active;
/* flags */
ot->flag= 0;
}
static int view3d_center_camera_exec(bContext *C, wmOperator *UNUSED(op)) /* was view3d_home() in 2.4x */
{
ARegion *ar= CTX_wm_region(C);
RegionView3D *rv3d= CTX_wm_region_view3d(C);
Scene *scene= CTX_data_scene(C);
float xfac, yfac;
float size[2];
rv3d->camdx= rv3d->camdy= 0.0f;
view3d_viewborder_size_get(scene, ar, size);
/* 4px is just a little room from the edge of the area */
xfac= (float)ar->winx / (float)(size[0] + 4);
yfac= (float)ar->winy / (float)(size[1] + 4);
rv3d->camzoom= BKE_screen_view3d_zoom_from_fac(MIN2(xfac, yfac));
CLAMP(rv3d->camzoom, RV3D_CAMZOOM_MIN, RV3D_CAMZOOM_MAX);
WM_event_add_notifier(C, NC_SPACE|ND_SPACE_VIEW3D, CTX_wm_view3d(C));
return OPERATOR_FINISHED;
}
void VIEW3D_OT_view_center_camera(wmOperatorType *ot)
{
/* identifiers */
ot->name= "View Camera Center";
ot->description = "Center the camera view";
ot->idname= "VIEW3D_OT_view_center_camera";
/* api callbacks */
ot->exec= view3d_center_camera_exec;
ot->poll= view3d_camera_active_poll;
/* flags */
ot->flag= 0;
}
/* ********************* Set render border operator ****************** */
static int render_border_exec(bContext *C, wmOperator *op)
{
View3D *v3d = CTX_wm_view3d(C);
ARegion *ar= CTX_wm_region(C);
RegionView3D *rv3d= ED_view3d_context_rv3d(C);
Scene *scene= CTX_data_scene(C);
rcti rect;
rctf vb;
/* get border select values using rna */
rect.xmin= RNA_int_get(op->ptr, "xmin");
rect.ymin= RNA_int_get(op->ptr, "ymin");
rect.xmax= RNA_int_get(op->ptr, "xmax");
rect.ymax= RNA_int_get(op->ptr, "ymax");
/* calculate range */
ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &vb, FALSE);
scene->r.border.xmin= ((float)rect.xmin-vb.xmin)/(vb.xmax-vb.xmin);
scene->r.border.ymin= ((float)rect.ymin-vb.ymin)/(vb.ymax-vb.ymin);
scene->r.border.xmax= ((float)rect.xmax-vb.xmin)/(vb.xmax-vb.xmin);
scene->r.border.ymax= ((float)rect.ymax-vb.ymin)/(vb.ymax-vb.ymin);
/* actually set border */
CLAMP(scene->r.border.xmin, 0.0f, 1.0f);
CLAMP(scene->r.border.ymin, 0.0f, 1.0f);
CLAMP(scene->r.border.xmax, 0.0f, 1.0f);
CLAMP(scene->r.border.ymax, 0.0f, 1.0f);
/* drawing a border surrounding the entire camera view switches off border rendering
* or the border covers no pixels */
if ((scene->r.border.xmin <= 0.0f && scene->r.border.xmax >= 1.0f &&
scene->r.border.ymin <= 0.0f && scene->r.border.ymax >= 1.0f) ||
(scene->r.border.xmin == scene->r.border.xmax ||
scene->r.border.ymin == scene->r.border.ymax ))
{
scene->r.mode &= ~R_BORDER;
} else {
scene->r.mode |= R_BORDER;
}
WM_event_add_notifier(C, NC_SCENE|ND_RENDER_OPTIONS, NULL);
return OPERATOR_FINISHED;
}
void VIEW3D_OT_render_border(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Set Render Border";
ot->description = "Set the boundaries of the border render and enables border render";
ot->idname= "VIEW3D_OT_render_border";
/* api callbacks */
ot->invoke= WM_border_select_invoke;
ot->exec= render_border_exec;
ot->modal= WM_border_select_modal;
ot->cancel= WM_border_select_cancel;
ot->poll= view3d_camera_active_poll;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
/* rna */
RNA_def_int(ot->srna, "xmin", 0, INT_MIN, INT_MAX, "X Min", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "xmax", 0, INT_MIN, INT_MAX, "X Max", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "ymin", 0, INT_MIN, INT_MAX, "Y Min", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "ymax", 0, INT_MIN, INT_MAX, "Y Max", "", INT_MIN, INT_MAX);
}
/* ********************* Border Zoom operator ****************** */
static int view3d_zoom_border_exec(bContext *C, wmOperator *op)
{
ARegion *ar= CTX_wm_region(C);
View3D *v3d = CTX_wm_view3d(C);
RegionView3D *rv3d= CTX_wm_region_view3d(C);
Scene *scene= CTX_data_scene(C);
/* Zooms in on a border drawn by the user */
rcti rect;
float dvec[3], vb[2], xscale, yscale, scale;
/* SMOOTHVIEW */
float new_dist;
float new_ofs[3];
/* ZBuffer depth vars */
bglMats mats;
float depth_close= FLT_MAX;
double cent[2], p[3];
/* note; otherwise opengl won't work */
view3d_operator_needs_opengl(C);
/* get border select values using rna */
rect.xmin= RNA_int_get(op->ptr, "xmin");
rect.ymin= RNA_int_get(op->ptr, "ymin");
rect.xmax= RNA_int_get(op->ptr, "xmax");
rect.ymax= RNA_int_get(op->ptr, "ymax");
/* Get Z Depths, needed for perspective, nice for ortho */
bgl_get_mats(&mats);
draw_depth(scene, ar, v3d, NULL);
{
/* avoid allocating the whole depth buffer */
ViewDepths depth_temp= {0};
/* avoid view3d_update_depths() for speed. */
view3d_update_depths_rect(ar, &depth_temp, &rect);
/* find the closest Z pixel */
depth_close= view3d_depth_near(&depth_temp);
MEM_freeN(depth_temp.depths);
}
cent[0] = (((double)rect.xmin)+((double)rect.xmax)) / 2;
cent[1] = (((double)rect.ymin)+((double)rect.ymax)) / 2;
if (rv3d->is_persp) {
double p_corner[3];
/* no depths to use, we cant do anything! */
if (depth_close==FLT_MAX){
BKE_report(op->reports, RPT_ERROR, "Depth Too Large");
return OPERATOR_CANCELLED;
}
/* convert border to 3d coordinates */
if (( !gluUnProject(cent[0], cent[1], depth_close, mats.modelview, mats.projection, (GLint *)mats.viewport, &p[0], &p[1], &p[2])) ||
( !gluUnProject((double)rect.xmin, (double)rect.ymin, depth_close, mats.modelview, mats.projection, (GLint *)mats.viewport, &p_corner[0], &p_corner[1], &p_corner[2])))
return OPERATOR_CANCELLED;
dvec[0] = p[0]-p_corner[0];
dvec[1] = p[1]-p_corner[1];
dvec[2] = p[2]-p_corner[2];
new_dist = len_v3(dvec);
if(new_dist <= v3d->near * 1.5f) new_dist= v3d->near * 1.5f;
new_ofs[0] = -p[0];
new_ofs[1] = -p[1];
new_ofs[2] = -p[2];
} else { /* othographic */
/* find the current window width and height */
vb[0] = ar->winx;
vb[1] = ar->winy;
new_dist = rv3d->dist;
/* convert the drawn rectangle into 3d space */
if (depth_close!=FLT_MAX && gluUnProject(cent[0], cent[1], depth_close, mats.modelview, mats.projection, (GLint *)mats.viewport, &p[0], &p[1], &p[2])) {
new_ofs[0] = -p[0];
new_ofs[1] = -p[1];
new_ofs[2] = -p[2];
}
else {
float mval_f[2];
/* We cant use the depth, fallback to the old way that dosnt set the center depth */
copy_v3_v3(new_ofs, rv3d->ofs);
initgrabz(rv3d, -new_ofs[0], -new_ofs[1], -new_ofs[2]);
mval_f[0]= (rect.xmin + rect.xmax - vb[0]) / 2.0f;
mval_f[1]= (rect.ymin + rect.ymax - vb[1]) / 2.0f;
ED_view3d_win_to_delta(ar, mval_f, dvec);
/* center the view to the center of the rectangle */
sub_v3_v3(new_ofs, dvec);
}
/* work out the ratios, so that everything selected fits when we zoom */
xscale = ((rect.xmax-rect.xmin)/vb[0]);
yscale = ((rect.ymax-rect.ymin)/vb[1]);
scale = (xscale >= yscale)?xscale:yscale;
/* zoom in as required, or as far as we can go */
new_dist = ((new_dist*scale) >= 0.001f * v3d->grid)? new_dist*scale:0.001f * v3d->grid;
}
smooth_view(C, v3d, ar, NULL, NULL, new_ofs, NULL, &new_dist, NULL);
if(rv3d->viewlock & RV3D_BOXVIEW)
view3d_boxview_sync(CTX_wm_area(C), ar);
return OPERATOR_FINISHED;
}
static int view3d_zoom_border_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
View3D *v3d= CTX_wm_view3d(C);
RegionView3D *rv3d= CTX_wm_region_view3d(C);
/* if in camera view do not exec the operator so we do not conflict with set render border*/
if ((rv3d->persp != RV3D_CAMOB) || ED_view3d_camera_lock_check(v3d, rv3d))
return WM_border_select_invoke(C, op, event);
else
return OPERATOR_PASS_THROUGH;
}
void VIEW3D_OT_zoom_border(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Border Zoom";
ot->description = "Zoom in the view to the nearest object contained in the border";
ot->idname= "VIEW3D_OT_zoom_border";
/* api callbacks */
ot->invoke= view3d_zoom_border_invoke;
ot->exec= view3d_zoom_border_exec;
ot->modal= WM_border_select_modal;
ot->cancel= WM_border_select_cancel;
ot->poll= ED_operator_region_view3d_active;
/* flags */
ot->flag= 0;
/* rna */
RNA_def_int(ot->srna, "xmin", 0, INT_MIN, INT_MAX, "X Min", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "xmax", 0, INT_MIN, INT_MAX, "X Max", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "ymin", 0, INT_MIN, INT_MAX, "Y Min", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "ymax", 0, INT_MIN, INT_MAX, "Y Max", "", INT_MIN, INT_MAX);
}
/* sets the view to 1:1 camera/render-pixel */
static void view3d_set_1_to_1_viewborder(Scene *scene, ARegion *ar)
{
RegionView3D *rv3d= ar->regiondata;
float size[2];
int im_width= (scene->r.size*scene->r.xsch)/100;
view3d_viewborder_size_get(scene, ar, size);
rv3d->camzoom= BKE_screen_view3d_zoom_from_fac((float)im_width/size[0]);
CLAMP(rv3d->camzoom, RV3D_CAMZOOM_MIN, RV3D_CAMZOOM_MAX);
}
static int view3d_zoom_1_to_1_camera_exec(bContext *C, wmOperator *UNUSED(op))
{
Scene *scene= CTX_data_scene(C);
ARegion *ar= CTX_wm_region(C);
view3d_set_1_to_1_viewborder(scene, ar);
WM_event_add_notifier(C, NC_SPACE|ND_SPACE_VIEW3D, CTX_wm_view3d(C));
return OPERATOR_FINISHED;
}
void VIEW3D_OT_zoom_camera_1_to_1(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Zoom Camera 1:1";
ot->description = "Match the camera to 1:1 to the render output";
ot->idname= "VIEW3D_OT_zoom_camera_1_to_1";
/* api callbacks */
ot->exec= view3d_zoom_1_to_1_camera_exec;
ot->poll= view3d_camera_active_poll;
/* flags */
ot->flag= 0;
}
/* ********************* Changing view operator ****************** */
static EnumPropertyItem prop_view_items[] = {
{RV3D_VIEW_FRONT, "FRONT", 0, "Front", "View From the Front"},
{RV3D_VIEW_BACK, "BACK", 0, "Back", "View From the Back"},
{RV3D_VIEW_LEFT, "LEFT", 0, "Left", "View From the Left"},
{RV3D_VIEW_RIGHT, "RIGHT", 0, "Right", "View From the Right"},
{RV3D_VIEW_TOP, "TOP", 0, "Top", "View From the Top"},
{RV3D_VIEW_BOTTOM, "BOTTOM", 0, "Bottom", "View From the Bottom"},
{RV3D_VIEW_CAMERA, "CAMERA", 0, "Camera", "View From the active camera"},
{0, NULL, 0, NULL, NULL}};
/* would like to make this a generic function - outside of transform */
static void axis_set_view(bContext *C, View3D *v3d, ARegion *ar, float q1, float q2, float q3, float q4, short view, int perspo, int align_active)
{
RegionView3D *rv3d= ar->regiondata; /* no NULL check is needed, poll checks */
float new_quat[4];
new_quat[0]= q1; new_quat[1]= q2;
new_quat[2]= q3; new_quat[3]= q4;
normalize_qt(new_quat);
if(align_active) {
/* align to active object */
Object *obact= CTX_data_active_object(C);
if (obact==NULL) {
/* no active object, ignore this option */
align_active= FALSE;
}
else {
float obact_quat[4];
float twmat[3][3];
/* same as transform manipulator when normal is set */
ED_getTransformOrientationMatrix(C, twmat, FALSE);
mat3_to_quat( obact_quat,twmat);
invert_qt(obact_quat);
mul_qt_qtqt(new_quat, new_quat, obact_quat);
rv3d->view= view= RV3D_VIEW_USER;
}
}
if(align_active==FALSE) {
/* normal operation */
if(rv3d->viewlock) {
/* only pass on if */
if(rv3d->view==RV3D_VIEW_FRONT && view==RV3D_VIEW_BACK);
else if(rv3d->view==RV3D_VIEW_BACK && view==RV3D_VIEW_FRONT);
else if(rv3d->view==RV3D_VIEW_RIGHT && view==RV3D_VIEW_LEFT);
else if(rv3d->view==RV3D_VIEW_LEFT && view==RV3D_VIEW_RIGHT);
else if(rv3d->view==RV3D_VIEW_BOTTOM && view==RV3D_VIEW_TOP);
else if(rv3d->view==RV3D_VIEW_TOP && view==RV3D_VIEW_BOTTOM);
else return;
}
rv3d->view= view;
}
if(rv3d->viewlock) {
ED_region_tag_redraw(ar);
return;
}
if (rv3d->persp==RV3D_CAMOB && v3d->camera) {
if (U.uiflag & USER_AUTOPERSP) rv3d->persp= view ? RV3D_ORTHO : RV3D_PERSP;
else if(rv3d->persp==RV3D_CAMOB) rv3d->persp= perspo;
smooth_view(C, v3d, ar, v3d->camera, NULL, rv3d->ofs, new_quat, NULL, NULL);
}
else {
if (U.uiflag & USER_AUTOPERSP) rv3d->persp= view ? RV3D_ORTHO : RV3D_PERSP;
else if(rv3d->persp==RV3D_CAMOB) rv3d->persp= perspo;
smooth_view(C, v3d, ar, NULL, NULL, NULL, new_quat, NULL, NULL);
}
}
static int viewnumpad_exec(bContext *C, wmOperator *op)
{
View3D *v3d = CTX_wm_view3d(C);
ARegion *ar= ED_view3d_context_region_unlock(C);
RegionView3D *rv3d= ar->regiondata; /* no NULL check is needed, poll checks */
Scene *scene= CTX_data_scene(C);
static int perspo=RV3D_PERSP;
int viewnum, align_active, nextperspo;
viewnum = RNA_enum_get(op->ptr, "type");
align_active = RNA_boolean_get(op->ptr, "align_active");
/* set this to zero, gets handled in axis_set_view */
if(rv3d->viewlock)
align_active= 0;
/* Use this to test if we started out with a camera */
if (rv3d->persp == RV3D_CAMOB) {
nextperspo= rv3d->lpersp;
} else {
nextperspo= perspo;
}
switch (viewnum) {
case RV3D_VIEW_BOTTOM :
axis_set_view(C, v3d, ar, 0.0, -1.0, 0.0, 0.0, viewnum, nextperspo, align_active);
break;
case RV3D_VIEW_BACK:
axis_set_view(C, v3d, ar, 0.0, 0.0, (float)-cos(M_PI/4.0), (float)-cos(M_PI/4.0), viewnum, nextperspo, align_active);
break;
case RV3D_VIEW_LEFT:
axis_set_view(C, v3d, ar, 0.5, -0.5, 0.5, 0.5, viewnum, nextperspo, align_active);
break;
case RV3D_VIEW_TOP:
axis_set_view(C, v3d, ar, 1.0, 0.0, 0.0, 0.0, viewnum, nextperspo, align_active);
break;
case RV3D_VIEW_FRONT:
axis_set_view(C, v3d, ar, (float)cos(M_PI/4.0), (float)-sin(M_PI/4.0), 0.0, 0.0, viewnum, nextperspo, align_active);
break;
case RV3D_VIEW_RIGHT:
axis_set_view(C, v3d, ar, 0.5, -0.5, -0.5, -0.5, viewnum, nextperspo, align_active);
break;
case RV3D_VIEW_CAMERA:
if(rv3d->viewlock==0) {
/* lastview - */
if(rv3d->persp != RV3D_CAMOB) {
Object *ob= OBACT;
if (!rv3d->smooth_timer) {
/* store settings of current view before allowing overwriting with camera view
* only if we're not currently in a view transition */
copy_qt_qt(rv3d->lviewquat, rv3d->viewquat);
rv3d->lview= rv3d->view;
rv3d->lpersp= rv3d->persp;
}
#if 0
if(G.qual==LR_ALTKEY) {
if(oldcamera && is_an_active_object(oldcamera)) {
v3d->camera= oldcamera;
}
handle_view3d_lock();
}
#endif
/* first get the default camera for the view lock type */
if(v3d->scenelock) {
/* sets the camera view if available */
v3d->camera= scene->camera;
}
else {
/* use scene camera if one is not set (even though we're unlocked) */
if(v3d->camera==NULL) {
v3d->camera= scene->camera;
}
}
/* if the camera isnt found, check a number of options */
if(v3d->camera==NULL && ob && ob->type==OB_CAMERA)
v3d->camera= ob;
if(v3d->camera==NULL)
v3d->camera= scene_find_camera(scene);
/* couldnt find any useful camera, bail out */
if(v3d->camera==NULL)
return OPERATOR_CANCELLED;
/* important these dont get out of sync for locked scenes */
if(v3d->scenelock)
scene->camera= v3d->camera;
/* finally do snazzy view zooming */
rv3d->persp= RV3D_CAMOB;
smooth_view(C, v3d, ar, NULL, v3d->camera, rv3d->ofs, rv3d->viewquat, &rv3d->dist, &v3d->lens);
}
else{
/* return to settings of last view */
/* does smooth_view too */
axis_set_view(C, v3d, ar, rv3d->lviewquat[0], rv3d->lviewquat[1], rv3d->lviewquat[2], rv3d->lviewquat[3], rv3d->lview, rv3d->lpersp, 0);
}
}
break;
default :
break;
}
if(rv3d->persp != RV3D_CAMOB) perspo= rv3d->persp;
return OPERATOR_FINISHED;
}
void VIEW3D_OT_viewnumpad(wmOperatorType *ot)
{
/* identifiers */
ot->name= "View numpad";
ot->description = "Set the view";
ot->idname= "VIEW3D_OT_viewnumpad";
/* api callbacks */
ot->exec= viewnumpad_exec;
ot->poll= ED_operator_rv3d_unlock_poll;
/* flags */
ot->flag= 0;
RNA_def_enum(ot->srna, "type", prop_view_items, 0, "View", "The Type of view");
RNA_def_boolean(ot->srna, "align_active", 0, "Align Active", "Align to the active object's axis");
}
static EnumPropertyItem prop_view_orbit_items[] = {
{V3D_VIEW_STEPLEFT, "ORBITLEFT", 0, "Orbit Left", "Orbit the view around to the Left"},
{V3D_VIEW_STEPRIGHT, "ORBITRIGHT", 0, "Orbit Right", "Orbit the view around to the Right"},
{V3D_VIEW_STEPUP, "ORBITUP", 0, "Orbit Up", "Orbit the view Up"},
{V3D_VIEW_STEPDOWN, "ORBITDOWN", 0, "Orbit Down", "Orbit the view Down"},
{0, NULL, 0, NULL, NULL}};
static int vieworbit_exec(bContext *C, wmOperator *op)
{
View3D *v3d= CTX_wm_view3d(C);
ARegion *ar= ED_view3d_context_region_unlock(C);
RegionView3D *rv3d= ar->regiondata; /* no NULL check is needed, poll checks */
float phi, q1[4], new_quat[4];
int orbitdir;
orbitdir = RNA_enum_get(op->ptr, "type");
if(rv3d->viewlock==0) {
if((rv3d->persp != RV3D_CAMOB) || ED_view3d_camera_lock_check(v3d, rv3d)) {
if(orbitdir == V3D_VIEW_STEPLEFT || orbitdir == V3D_VIEW_STEPRIGHT) {
float si;
/* z-axis */
phi= (float)(M_PI/360.0)*U.pad_rot_angle;
if(orbitdir == V3D_VIEW_STEPRIGHT) phi= -phi;
si= (float)sin(phi);
q1[0]= (float)cos(phi);
q1[1]= q1[2]= 0.0;
q1[3]= si;
mul_qt_qtqt(new_quat, rv3d->viewquat, q1);
rv3d->view= RV3D_VIEW_USER;
}
else if(orbitdir == V3D_VIEW_STEPDOWN || orbitdir == V3D_VIEW_STEPUP) {
/* horizontal axis */
copy_v3_v3(q1+1, rv3d->viewinv[0]);
normalize_v3(q1+1);
phi= (float)(M_PI/360.0)*U.pad_rot_angle;
if(orbitdir == V3D_VIEW_STEPDOWN) phi= -phi;
q1[0]= (float)cos(phi);
mul_v3_fl(q1+1, sin(phi));
mul_qt_qtqt(new_quat, rv3d->viewquat, q1);
rv3d->view= RV3D_VIEW_USER;
}
smooth_view(C, CTX_wm_view3d(C), ar, NULL, NULL, NULL, new_quat, NULL, NULL);
}
}
return OPERATOR_FINISHED;
}
void VIEW3D_OT_view_orbit(wmOperatorType *ot)
{
/* identifiers */
ot->name= "View Orbit";
ot->description = "Orbit the view";
ot->idname= "VIEW3D_OT_view_orbit";
/* api callbacks */
ot->exec= vieworbit_exec;
ot->poll= ED_operator_rv3d_unlock_poll;
/* flags */
ot->flag= 0;
RNA_def_enum(ot->srna, "type", prop_view_orbit_items, 0, "Orbit", "Direction of View Orbit");
}
static EnumPropertyItem prop_view_pan_items[] = {
{V3D_VIEW_PANLEFT, "PANLEFT", 0, "Pan Left", "Pan the view to the Left"},
{V3D_VIEW_PANRIGHT, "PANRIGHT", 0, "Pan Right", "Pan the view to the Right"},
{V3D_VIEW_PANUP, "PANUP", 0, "Pan Up", "Pan the view Up"},
{V3D_VIEW_PANDOWN, "PANDOWN", 0, "Pan Down", "Pan the view Down"},
{0, NULL, 0, NULL, NULL}};
static int viewpan_exec(bContext *C, wmOperator *op)
{
ARegion *ar= CTX_wm_region(C);
RegionView3D *rv3d= CTX_wm_region_view3d(C);
float vec[3];
float mval_f[2]= {0.0f, 0.0f};
int pandir;
pandir = RNA_enum_get(op->ptr, "type");
initgrabz(rv3d, 0.0, 0.0, 0.0);
if(pandir == V3D_VIEW_PANRIGHT) { mval_f[0]= -32.0f; ED_view3d_win_to_delta(ar, mval_f, vec); }
else if(pandir == V3D_VIEW_PANLEFT) { mval_f[0]= 32.0f; ED_view3d_win_to_delta(ar, mval_f, vec); }
else if(pandir == V3D_VIEW_PANUP) { mval_f[1]= -25.0f; ED_view3d_win_to_delta(ar, mval_f, vec); }
else if(pandir == V3D_VIEW_PANDOWN) { mval_f[1]= 25.0f; ED_view3d_win_to_delta(ar, mval_f, vec); }
add_v3_v3(rv3d->ofs, vec);
if(rv3d->viewlock & RV3D_BOXVIEW)
view3d_boxview_sync(CTX_wm_area(C), ar);
ED_region_tag_redraw(ar);
return OPERATOR_FINISHED;
}
void VIEW3D_OT_view_pan(wmOperatorType *ot)
{
/* identifiers */
ot->name= "View Pan";
ot->description = "Pan the view";
ot->idname= "VIEW3D_OT_view_pan";
/* api callbacks */
ot->exec= viewpan_exec;
ot->poll= ED_operator_region_view3d_active;
/* flags */
ot->flag= 0;
RNA_def_enum(ot->srna, "type", prop_view_pan_items, 0, "Pan", "Direction of View Pan");
}
static int viewpersportho_exec(bContext *C, wmOperator *UNUSED(op))
{
ARegion *ar= ED_view3d_context_region_unlock(C);
RegionView3D *rv3d= ar->regiondata; /* no NULL check is needed, poll checks */
if(rv3d->viewlock==0) {
if(rv3d->persp!=RV3D_ORTHO)
rv3d->persp=RV3D_ORTHO;
else rv3d->persp=RV3D_PERSP;
ED_region_tag_redraw(ar);
}
return OPERATOR_FINISHED;
}
void VIEW3D_OT_view_persportho(wmOperatorType *ot)
{
/* identifiers */
ot->name= "View Persp/Ortho";
ot->description = "Switch the current view from perspective/orthographic";
ot->idname= "VIEW3D_OT_view_persportho";
/* api callbacks */
ot->exec= viewpersportho_exec;
ot->poll= ED_operator_rv3d_unlock_poll;
/* flags */
ot->flag= 0;
}
/* ******************** add background image operator **************** */
static BGpic *background_image_add(bContext *C)
{
View3D *v3d= CTX_wm_view3d(C);
BGpic *bgpic= MEM_callocN(sizeof(BGpic), "Background Image");
bgpic->size= 5.0;
bgpic->blend= 0.5;
bgpic->iuser.fie_ima= 2;
bgpic->iuser.ok= 1;
bgpic->view= 0; /* 0 for all */
BLI_addtail(&v3d->bgpicbase, bgpic);
return bgpic;
}
static int background_image_add_exec(bContext *C, wmOperator *UNUSED(op))
{
background_image_add(C);
return OPERATOR_FINISHED;
}
static int background_image_add_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
{
View3D *v3d= CTX_wm_view3d(C);
Image *ima= NULL;
BGpic *bgpic;
char name[32];
/* check input variables */
if(RNA_property_is_set(op->ptr, "filepath")) {
char path[FILE_MAX];
RNA_string_get(op->ptr, "filepath", path);
ima= BKE_add_image_file(path);
}
else if(RNA_property_is_set(op->ptr, "name")) {
RNA_string_get(op->ptr, "name", name);
ima= (Image *)find_id("IM", name);
}
bgpic = background_image_add(C);
if (ima) {
bgpic->ima = ima;
if(ima->id.us==0) id_us_plus(&ima->id);
else id_lib_extern(&ima->id);
if (!(v3d->flag & V3D_DISPBGPICS))
v3d->flag |= V3D_DISPBGPICS;
}
WM_event_add_notifier(C, NC_SPACE|ND_SPACE_VIEW3D, v3d);
return OPERATOR_FINISHED;
}
void VIEW3D_OT_background_image_add(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Add Background Image";
ot->description= "Add a new background image";
ot->idname = "VIEW3D_OT_background_image_add";
/* api callbacks */
ot->invoke = background_image_add_invoke;
ot->exec = background_image_add_exec;
ot->poll = ED_operator_view3d_active;
/* flags */
ot->flag = 0;
/* properties */
RNA_def_string(ot->srna, "name", "Image", 24, "Name", "Image name to assign");
RNA_def_string(ot->srna, "filepath", "Path", FILE_MAX, "Filepath", "Path to image file");
}
/* ***** remove image operator ******* */
static int background_image_remove_exec(bContext *C, wmOperator *op)
{
View3D *vd = CTX_wm_view3d(C);
int index = RNA_int_get(op->ptr, "index");
BGpic *bgpic_rem= BLI_findlink(&vd->bgpicbase, index);
if(bgpic_rem) {
BLI_remlink(&vd->bgpicbase, bgpic_rem);
if(bgpic_rem->ima) bgpic_rem->ima->id.us--;
MEM_freeN(bgpic_rem);
WM_event_add_notifier(C, NC_SPACE|ND_SPACE_VIEW3D, vd);
return OPERATOR_FINISHED;
}
else {
return OPERATOR_CANCELLED;
}
}
void VIEW3D_OT_background_image_remove(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Remove Background Image";
ot->description= "Remove a background image from the 3D view";
ot->idname = "VIEW3D_OT_background_image_remove";
/* api callbacks */
ot->exec = background_image_remove_exec;
ot->poll = ED_operator_view3d_active;
/* flags */
ot->flag = 0;
RNA_def_int(ot->srna, "index", 0, 0, INT_MAX, "Index", "Background image index to remove ", 0, INT_MAX);
}
/* ********************* set clipping operator ****************** */
static void calc_clipping_plane(float clip[6][4], BoundBox *clipbb)
{
int val;
for(val=0; val<4; val++) {
normal_tri_v3( clip[val],clipbb->vec[val], clipbb->vec[val==3?0:val+1], clipbb->vec[val+4]);
clip[val][3]=
- clip[val][0]*clipbb->vec[val][0]
- clip[val][1]*clipbb->vec[val][1]
- clip[val][2]*clipbb->vec[val][2];
}
}
static void calc_local_clipping(float clip_local[][4], BoundBox *clipbb, float mat[][4])
{
BoundBox clipbb_local;
float imat[4][4];
int i;
invert_m4_m4(imat, mat);
for(i=0; i<8; i++) {
mul_v3_m4v3(clipbb_local.vec[i], imat, clipbb->vec[i]);
}
calc_clipping_plane(clip_local, &clipbb_local);
}
void ED_view3d_local_clipping(RegionView3D *rv3d, float mat[][4])
{
if(rv3d->rflag & RV3D_CLIPPING)
calc_local_clipping(rv3d->clip_local, rv3d->clipbb, mat);
}
static int view3d_clipping_exec(bContext *C, wmOperator *op)
{
RegionView3D *rv3d= CTX_wm_region_view3d(C);
ViewContext vc;
bglMats mats;
rcti rect;
rect.xmin= RNA_int_get(op->ptr, "xmin");
rect.ymin= RNA_int_get(op->ptr, "ymin");
rect.xmax= RNA_int_get(op->ptr, "xmax");
rect.ymax= RNA_int_get(op->ptr, "ymax");
rv3d->rflag |= RV3D_CLIPPING;
rv3d->clipbb= MEM_callocN(sizeof(BoundBox), "clipbb");
/* note; otherwise opengl won't work */
view3d_operator_needs_opengl(C);
view3d_set_viewcontext(C, &vc);
view3d_get_transformation(vc.ar, vc.rv3d, NULL, &mats); /* NULL because we don't want it in object space */
ED_view3d_calc_clipping(rv3d->clipbb, rv3d->clip, &mats, &rect);
return OPERATOR_FINISHED;
}
static int view3d_clipping_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
RegionView3D *rv3d= CTX_wm_region_view3d(C);
ARegion *ar= CTX_wm_region(C);
if(rv3d->rflag & RV3D_CLIPPING) {
rv3d->rflag &= ~RV3D_CLIPPING;
ED_region_tag_redraw(ar);
if(rv3d->clipbb) MEM_freeN(rv3d->clipbb);
rv3d->clipbb= NULL;
return OPERATOR_FINISHED;
}
else {
return WM_border_select_invoke(C, op, event);
}
}
/* toggles */
void VIEW3D_OT_clip_border(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Clipping Border";
ot->description = "Set the view clipping border";
ot->idname= "VIEW3D_OT_clip_border";
/* api callbacks */
ot->invoke= view3d_clipping_invoke;
ot->exec= view3d_clipping_exec;
ot->modal= WM_border_select_modal;
ot->cancel= WM_border_select_cancel;
ot->poll= ED_operator_region_view3d_active;
/* flags */
ot->flag= 0;
/* rna */
RNA_def_int(ot->srna, "xmin", 0, INT_MIN, INT_MAX, "X Min", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "xmax", 0, INT_MIN, INT_MAX, "X Max", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "ymin", 0, INT_MIN, INT_MAX, "Y Min", "", INT_MIN, INT_MAX);
RNA_def_int(ot->srna, "ymax", 0, INT_MIN, INT_MAX, "Y Max", "", INT_MIN, INT_MAX);
}
/* ***************** 3d cursor cursor op ******************* */
/* mx my in region coords */
static int set_3dcursor_invoke(bContext *C, wmOperator *UNUSED(op), wmEvent *event)
{
Scene *scene= CTX_data_scene(C);
ARegion *ar= CTX_wm_region(C);
View3D *v3d = CTX_wm_view3d(C);
RegionView3D *rv3d= CTX_wm_region_view3d(C);
float dx, dy, fz, *fp = NULL, dvec[3], oldcurs[3];
int mval[2];
// short ctrl= 0; // XXX
int flip;
fp= give_cursor(scene, v3d);
// if(obedit && ctrl) lr_click= 1;
copy_v3_v3(oldcurs, fp);
project_int_noclip(ar, fp, mval);
flip= initgrabz(rv3d, fp[0], fp[1], fp[2]);
/* reset the depth based on the view offset */
if(flip) {
negate_v3_v3(fp, rv3d->ofs);
/* re initialize */
project_int_noclip(ar, fp, mval);
flip= initgrabz(rv3d, fp[0], fp[1], fp[2]);
}
if(mval[0]!=IS_CLIPPED) {
short depth_used = 0;
if (U.uiflag & USER_ORBIT_ZBUF) { /* maybe this should be accessed some other way */
view3d_operator_needs_opengl(C);
if (ED_view3d_autodist(scene, ar, v3d, event->mval, fp))
depth_used= 1;
}
if(depth_used==0) {
float mval_f[2];
VECSUB2D(mval_f, mval, event->mval);
ED_view3d_win_to_delta(ar, mval_f, dvec);
sub_v3_v3(fp, dvec);
}
}
else {
dx= ((float)(event->mval[0]-(ar->winx/2)))*rv3d->zfac/(ar->winx/2);
dy= ((float)(event->mval[1]-(ar->winy/2)))*rv3d->zfac/(ar->winy/2);
fz= rv3d->persmat[0][3]*fp[0]+ rv3d->persmat[1][3]*fp[1]+ rv3d->persmat[2][3]*fp[2]+ rv3d->persmat[3][3];
fz= fz/rv3d->zfac;
fp[0]= (rv3d->persinv[0][0]*dx + rv3d->persinv[1][0]*dy+ rv3d->persinv[2][0]*fz)-rv3d->ofs[0];
fp[1]= (rv3d->persinv[0][1]*dx + rv3d->persinv[1][1]*dy+ rv3d->persinv[2][1]*fz)-rv3d->ofs[1];
fp[2]= (rv3d->persinv[0][2]*dx + rv3d->persinv[1][2]*dy+ rv3d->persinv[2][2]*fz)-rv3d->ofs[2];
}
if(v3d && v3d->localvd)
WM_event_add_notifier(C, NC_SPACE|ND_SPACE_VIEW3D, v3d);
else
WM_event_add_notifier(C, NC_SCENE|NA_EDITED, scene);
return OPERATOR_FINISHED;
}
void VIEW3D_OT_cursor3d(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Set 3D Cursor";
ot->description = "Set the location of the 3D cursor";
ot->idname= "VIEW3D_OT_cursor3d";
/* api callbacks */
ot->invoke= set_3dcursor_invoke;
ot->poll= ED_operator_view3d_active;
/* flags */
// ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
/* rna later */
}
/* ***************** manipulator op ******************* */
static int manipulator_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
View3D *v3d = CTX_wm_view3d(C);
if(!(v3d->twflag & V3D_USE_MANIPULATOR)) return OPERATOR_PASS_THROUGH;
if(!(v3d->twflag & V3D_DRAW_MANIPULATOR)) return OPERATOR_PASS_THROUGH;
/* only no modifier or shift */
if(event->keymodifier != 0 && event->keymodifier != KM_SHIFT) return OPERATOR_PASS_THROUGH;
/* note; otherwise opengl won't work */
view3d_operator_needs_opengl(C);
if(0==BIF_do_manipulator(C, event, op))
return OPERATOR_PASS_THROUGH;
return OPERATOR_FINISHED;
}
void VIEW3D_OT_manipulator(wmOperatorType *ot)
{
/* identifiers */
ot->name= "3D Manipulator";
ot->description = "Manipulate selected item by axis";
ot->idname= "VIEW3D_OT_manipulator";
/* api callbacks */
ot->invoke= manipulator_invoke;
ot->poll= ED_operator_view3d_active;
/* properties to pass to transform */
Transform_Properties(ot, P_CONSTRAINT);
}
static int enable_manipulator_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
{
View3D *v3d = CTX_wm_view3d(C);
v3d->twtype=0;
if (RNA_boolean_get(op->ptr, "translate"))
v3d->twtype |= V3D_MANIP_TRANSLATE;
if (RNA_boolean_get(op->ptr, "rotate"))
v3d->twtype |= V3D_MANIP_ROTATE;
if (RNA_boolean_get(op->ptr, "scale"))
v3d->twtype |= V3D_MANIP_SCALE;
WM_event_add_notifier(C, NC_SPACE|ND_SPACE_VIEW3D, v3d);
return OPERATOR_FINISHED;
}
void VIEW3D_OT_enable_manipulator(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Enable 3D Manipulator";
ot->description = "Enable the transform manipulator for use";
ot->idname= "VIEW3D_OT_enable_manipulator";
/* api callbacks */
ot->invoke= enable_manipulator_invoke;
ot->poll= ED_operator_view3d_active;
/* rna later */
RNA_def_boolean(ot->srna, "translate", 0, "Translate", "Enable the translate manipulator");
RNA_def_boolean(ot->srna, "rotate", 0, "Rotate", "Enable the rotate manipulator");
RNA_def_boolean(ot->srna, "scale", 0, "Scale", "Enable the scale manipulator");
}
/* ************************* below the line! *********************** */
static float view_autodist_depth_margin(ARegion *ar, const int mval[2], int margin)
{
ViewDepths depth_temp= {0};
rcti rect;
float depth_close;
if(margin==0) {
/* Get Z Depths, needed for perspective, nice for ortho */
rect.xmin= mval[0];
rect.ymin= mval[1];
rect.xmax= mval[0] + 1;
rect.ymax= mval[1] + 1;
}
else {
rect.xmax = mval[0] + margin;
rect.ymax = mval[1] + margin;
rect.xmin = mval[0] - margin;
rect.ymin = mval[1] - margin;
}
view3d_update_depths_rect(ar, &depth_temp, &rect);
depth_close= view3d_depth_near(&depth_temp);
if(depth_temp.depths) MEM_freeN(depth_temp.depths);
return depth_close;
}
/* XXX todo Zooms in on a border drawn by the user */
int ED_view3d_autodist(Scene *scene, ARegion *ar, View3D *v3d, const int mval[2], float mouse_worldloc[3] ) //, float *autodist )
{
bglMats mats; /* ZBuffer depth vars */
float depth_close= FLT_MAX;
double cent[2], p[3];
/* Get Z Depths, needed for perspective, nice for ortho */
bgl_get_mats(&mats);
draw_depth(scene, ar, v3d, NULL);
depth_close= view_autodist_depth_margin(ar, mval, 4);
if (depth_close==FLT_MAX)
return 0;
cent[0] = (double)mval[0];
cent[1] = (double)mval[1];
if (!gluUnProject(cent[0], cent[1], depth_close, mats.modelview, mats.projection, (GLint *)mats.viewport, &p[0], &p[1], &p[2]))
return 0;
mouse_worldloc[0] = (float)p[0];
mouse_worldloc[1] = (float)p[1];
mouse_worldloc[2] = (float)p[2];
return 1;
}
int ED_view3d_autodist_init(Scene *scene, ARegion *ar, View3D *v3d, int mode) //, float *autodist )
{
/* Get Z Depths, needed for perspective, nice for ortho */
switch(mode) {
case 0:
draw_depth(scene, ar, v3d, NULL);
break;
case 1:
draw_depth_gpencil(scene, ar, v3d);
break;
}
return 1;
}
// no 4x4 sampling, run view_autodist_init first
int ED_view3d_autodist_simple(ARegion *ar, const int mval[2], float mouse_worldloc[3], int margin, float *force_depth) //, float *autodist )
{
bglMats mats; /* ZBuffer depth vars, could cache? */
float depth;
double cent[2], p[3];
/* Get Z Depths, needed for perspective, nice for ortho */
if(force_depth)
depth= *force_depth;
else
depth= view_autodist_depth_margin(ar, mval, margin);
if (depth==FLT_MAX)
return 0;
cent[0] = (double)mval[0];
cent[1] = (double)mval[1];
bgl_get_mats(&mats);
if (!gluUnProject(cent[0], cent[1], depth, mats.modelview, mats.projection, (GLint *)mats.viewport, &p[0], &p[1], &p[2]))
return 0;
mouse_worldloc[0] = (float)p[0];
mouse_worldloc[1] = (float)p[1];
mouse_worldloc[2] = (float)p[2];
return 1;
}
int ED_view3d_autodist_depth(struct ARegion *ar, const int mval[2], int margin, float *depth)
{
*depth= view_autodist_depth_margin(ar, mval, margin);
return (*depth==FLT_MAX) ? 0:1;
}
static int depth_segment_cb(int x, int y, void *userData)
{
struct { struct ARegion *ar; int margin; float depth; } *data = userData;
int mval[2];
float depth;
mval[0]= x;
mval[1]= y;
depth= view_autodist_depth_margin(data->ar, mval, data->margin);
if(depth != FLT_MAX) {
data->depth= depth;
return 0;
}
else {
return 1;
}
}
int ED_view3d_autodist_depth_seg(struct ARegion *ar, const int mval_sta[2], const int mval_end[2], int margin, float *depth)
{
struct { struct ARegion *ar; int margin; float depth; } data = {NULL};
int p1[2];
int p2[2];
data.ar= ar;
data.margin= margin;
data.depth= FLT_MAX;
VECCOPY2D(p1, mval_sta);
VECCOPY2D(p2, mval_end);
plot_line_v2v2i(p1, p2, depth_segment_cb, &data);
*depth= data.depth;
return (*depth==FLT_MAX) ? 0:1;
}
/* Gets the view trasnformation from a camera
* currently dosnt take camzoom into account
*
* The dist is not modified for this function, if NULL its assimed zero
* */
void ED_view3d_from_m4(float mat[][4], float ofs[3], float quat[4], float *dist)
{
/* Offset */
if (ofs)
negate_v3_v3(ofs, mat[3]);
/* Quat */
if (quat) {
float imat[4][4];
invert_m4_m4(imat, mat);
mat4_to_quat(quat, imat);
}
if (dist) {
float nmat[3][3];
float vec[3];
vec[0]= 0.0f;
vec[1]= 0.0f;
vec[2]= -(*dist);
copy_m3_m4(nmat, mat);
normalize_m3(nmat);
mul_m3_v3(nmat, vec);
sub_v3_v3(ofs, vec);
}
}
void ED_view3d_to_m4(float mat[][4], const float ofs[3], const float quat[4], const float dist)
{
float iviewquat[4]= {-quat[0], quat[1], quat[2], quat[3]};
float dvec[3]= {0.0f, 0.0f, dist};
quat_to_mat4(mat, iviewquat);
mul_mat3_m4_v3(mat, dvec);
sub_v3_v3v3(mat[3], dvec, ofs);
}
/* object -> view */
void ED_view3d_from_object(Object *ob, float ofs[3], float quat[4], float *dist, float *lens)
{
ED_view3d_from_m4(ob->obmat, ofs, quat, dist);
if (lens) {
ED_view3d_ob_clip_range_get(ob, lens, NULL, NULL);
}
}
/* view -> object */
void ED_view3d_to_object(Object *ob, const float ofs[3], const float quat[4], const float dist)
{
float mat[4][4];
ED_view3d_to_m4(mat, ofs, quat, dist);
object_apply_mat4(ob, mat, TRUE, TRUE);
}