forked from bartvdbraak/blender
after some discussion, this is the replacement for the old loopcut tool: edge ring select displays a preview of the edge ring, and you can move the mouse with ctrl-alt held down and change the edge ring selection.
This commit is contained in:
parent
cfc8d66ab0
commit
e903632c10
@ -193,5 +193,54 @@
|
||||
#define SET_INT_IN_POINTER(i) ((void*)(intptr_t)(i))
|
||||
#define GET_INT_FROM_POINTER(i) ((int)(intptr_t)(i))
|
||||
|
||||
/*little array macro library. example of usage:
|
||||
|
||||
int *arr = NULL;
|
||||
V_DECLARE(arr);
|
||||
int i;
|
||||
|
||||
for (i=0; i<10; i++) {
|
||||
V_GROW(arr);
|
||||
arr[i] = something;
|
||||
}
|
||||
V_FREE(arr);
|
||||
|
||||
arrays are buffered, using double-buffering (so on each reallocation,
|
||||
the array size is doubled). supposedly this should give good Big Oh
|
||||
behaviour, though it may not be the best in practice.
|
||||
*/
|
||||
|
||||
#define V_DECLARE(vec) int _##vec##_count=0; void *_##vec##_tmp
|
||||
|
||||
/*in the future, I plan on having V_DECLARE allocate stack memory it'll
|
||||
use at first, and switch over to heap when it needs more. that'll mess
|
||||
up cases where you'd want to use this API to build a dynamic list for
|
||||
non-local use, so all such cases should use this macro.*/
|
||||
#define V_DYNDECLARE(vec) V_DECLARE(vec)
|
||||
|
||||
/*this returns the entire size of the array, including any buffering.*/
|
||||
#define V_SIZE(vec) ((signed int)((vec)==NULL ? 0 : MEM_allocN_len(vec) / sizeof(*vec)))
|
||||
|
||||
/*this returns the logical size of the array, not including buffering.*/
|
||||
#define V_COUNT(vec) _##vec##_count
|
||||
|
||||
/*grow the array by one. zeroes the new elements.*/
|
||||
#define V_GROW(vec) \
|
||||
V_SIZE(vec) > _##vec##_count ? _##vec##_count++ : \
|
||||
((_##vec##_tmp = MEM_callocN(sizeof(*vec)*(_##vec##_count*2+2), #vec " " __FILE__ " ")),\
|
||||
(vec && memcpy(_##vec##_tmp, vec, sizeof(*vec) * _##vec##_count)),\
|
||||
(vec && (MEM_freeN(vec),1)),\
|
||||
(vec = _##vec##_tmp),\
|
||||
_##vec##_count++)
|
||||
|
||||
#define V_FREE(vec) if (vec) MEM_freeN(vec);
|
||||
|
||||
/*resets the logical size of an array to zero, but doesn't
|
||||
free the memory.*/
|
||||
#define V_RESET(vec) _##vec##_count=0
|
||||
|
||||
/*set the count of the array*/
|
||||
#define V_SETCOUNT(vec, count) _##vec##_count = (count)
|
||||
|
||||
#endif
|
||||
|
||||
|
@ -199,6 +199,7 @@ static void edgering_sel(EditMesh *em, EditEdge *startedge, int select, int prev
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void CutEdgeloop(Object *obedit, wmOperator *op, EditMesh *em, int numcuts)
|
||||
{
|
||||
ViewContext vc; // XXX
|
||||
|
400
source/blender/editors/mesh/loopcut.c
Normal file
400
source/blender/editors/mesh/loopcut.c
Normal file
@ -0,0 +1,400 @@
|
||||
/**
|
||||
* $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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* The Original Code is Copyright (C) 2007 Blender Foundation.
|
||||
* All rights reserved.
|
||||
*
|
||||
*
|
||||
* Contributor(s): Joseph Eagar, Joshua Leung
|
||||
*
|
||||
* ***** END GPL LICENSE BLOCK *****
|
||||
*/
|
||||
|
||||
#include <float.h>
|
||||
#define _USE_MATH_DEFINES
|
||||
#include <math.h>
|
||||
#include <string.h>
|
||||
#include <ctype.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include "DNA_ID.h"
|
||||
#include "DNA_screen_types.h"
|
||||
#include "DNA_scene_types.h"
|
||||
#include "DNA_userdef_types.h"
|
||||
#include "DNA_windowmanager_types.h"
|
||||
#include "DNA_object_types.h"
|
||||
|
||||
#include "MEM_guardedalloc.h"
|
||||
|
||||
#include "PIL_time.h"
|
||||
|
||||
#include "BLI_blenlib.h"
|
||||
#include "BLI_dynstr.h" /*for WM_operator_pystring */
|
||||
#include "BLI_editVert.h"
|
||||
|
||||
#include "BKE_blender.h"
|
||||
#include "BKE_context.h"
|
||||
#include "BKE_scene.h"
|
||||
#include "BKE_utildefines.h"
|
||||
#include "BKE_mesh.h"
|
||||
|
||||
#include "BIF_gl.h"
|
||||
#include "BIF_glutil.h" /* for paint cursor */
|
||||
|
||||
#include "IMB_imbuf_types.h"
|
||||
|
||||
#include "ED_screen.h"
|
||||
#include "ED_util.h"
|
||||
#include "ED_space_api.h"
|
||||
#include "ED_view3d.h"
|
||||
#include "ED_mesh.h"
|
||||
|
||||
#include "RNA_access.h"
|
||||
#include "RNA_define.h"
|
||||
|
||||
#include "UI_interface.h"
|
||||
#include "UI_resources.h"
|
||||
|
||||
#include "WM_api.h"
|
||||
#include "WM_types.h"
|
||||
|
||||
#include "mesh_intern.h"
|
||||
|
||||
/* ringsel operator */
|
||||
|
||||
/* struct for properties used while drawing */
|
||||
typedef struct tringselOpData {
|
||||
ARegion *ar; /* region that ringsel was activated in */
|
||||
void *draw_handle; /* for drawing preview loop */
|
||||
|
||||
float (*edges)[2][3];
|
||||
int totedge;
|
||||
|
||||
ViewContext vc;
|
||||
|
||||
Object *ob;
|
||||
EditMesh *em;
|
||||
EditEdge *eed;
|
||||
|
||||
int extend;
|
||||
} tringselOpData;
|
||||
|
||||
/* modal loop selection drawing callback */
|
||||
static void ringsel_draw(const bContext *C, ARegion *ar, void *arg)
|
||||
{
|
||||
int i;
|
||||
tringselOpData *lcd = arg;
|
||||
|
||||
glDisable(GL_DEPTH_TEST);
|
||||
|
||||
glPushMatrix();
|
||||
glMultMatrixf(lcd->ob->obmat);
|
||||
|
||||
glColor3ub(255, 0, 255);
|
||||
glBegin(GL_LINES);
|
||||
for (i=0; i<lcd->totedge; i++) {
|
||||
glVertex3fv(lcd->edges[i][0]);
|
||||
glVertex3fv(lcd->edges[i][1]);
|
||||
}
|
||||
glEnd();
|
||||
|
||||
glPopMatrix();
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
}
|
||||
|
||||
static void edgering_sel(tringselOpData *lcd, int previewlines, int select)
|
||||
{
|
||||
EditMesh *em = lcd->em;
|
||||
EditEdge *startedge = lcd->eed;
|
||||
EditEdge *eed;
|
||||
EditFace *efa;
|
||||
EditVert *v[2][2];
|
||||
float (*edges)[2][3] = NULL;
|
||||
V_DYNDECLARE(edges);
|
||||
float co[2][3];
|
||||
int looking=1, i, j=0, tot=0;
|
||||
|
||||
if (!startedge)
|
||||
return;
|
||||
|
||||
if (lcd->edges) {
|
||||
MEM_freeN(lcd->edges);
|
||||
lcd->edges = NULL;
|
||||
lcd->totedge = 0;
|
||||
}
|
||||
|
||||
if (!lcd->extend) {
|
||||
EM_clear_flag_all(lcd->em, SELECT);
|
||||
}
|
||||
|
||||
/* in eed->f1 we put the valence (amount of faces in edge) */
|
||||
/* in eed->f2 we put tagged flag as correct loop */
|
||||
/* in efa->f1 we put tagged flag as correct to select */
|
||||
|
||||
for(eed= em->edges.first; eed; eed= eed->next) {
|
||||
eed->f1= 0;
|
||||
eed->f2= 0;
|
||||
}
|
||||
|
||||
for(efa= em->faces.first; efa; efa= efa->next) {
|
||||
efa->f1= 0;
|
||||
if(efa->h==0) {
|
||||
efa->e1->f1++;
|
||||
efa->e2->f1++;
|
||||
efa->e3->f1++;
|
||||
if(efa->e4) efa->e4->f1++;
|
||||
}
|
||||
}
|
||||
|
||||
// tag startedge OK
|
||||
startedge->f2= 1;
|
||||
|
||||
while(looking) {
|
||||
looking= 0;
|
||||
|
||||
for(efa= em->faces.first; efa; efa= efa->next) {
|
||||
if(efa->e4 && efa->f1==0 && efa->h == 0) { // not done quad
|
||||
if(efa->e1->f1<=2 && efa->e2->f1<=2 && efa->e3->f1<=2 && efa->e4->f1<=2) { // valence ok
|
||||
|
||||
// if edge tagged, select opposing edge and mark face ok
|
||||
if(efa->e1->f2) {
|
||||
efa->e3->f2= 1;
|
||||
efa->f1= 1;
|
||||
looking= 1;
|
||||
}
|
||||
else if(efa->e2->f2) {
|
||||
efa->e4->f2= 1;
|
||||
efa->f1= 1;
|
||||
looking= 1;
|
||||
}
|
||||
if(efa->e3->f2) {
|
||||
efa->e1->f2= 1;
|
||||
efa->f1= 1;
|
||||
looking= 1;
|
||||
}
|
||||
if(efa->e4->f2) {
|
||||
efa->e2->f2= 1;
|
||||
efa->f1= 1;
|
||||
looking= 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(previewlines > 0 && !select){
|
||||
for(efa= em->faces.first; efa; efa= efa->next) {
|
||||
if(efa->v4 == NULL) { continue; }
|
||||
if(efa->h == 0){
|
||||
if(efa->e1->f2 == 1){
|
||||
if(efa->e1->h == 1 || efa->e3->h == 1 )
|
||||
continue;
|
||||
|
||||
v[0][0] = efa->v1;
|
||||
v[0][1] = efa->v2;
|
||||
v[1][0] = efa->v4;
|
||||
v[1][1] = efa->v3;
|
||||
} else if(efa->e2->f2 == 1){
|
||||
if(efa->e2->h == 1 || efa->e4->h == 1)
|
||||
continue;
|
||||
v[0][0] = efa->v2;
|
||||
v[0][1] = efa->v3;
|
||||
v[1][0] = efa->v1;
|
||||
v[1][1] = efa->v4;
|
||||
} else { continue; }
|
||||
|
||||
for(i=1;i<=previewlines;i++){
|
||||
co[0][0] = (v[0][1]->co[0] - v[0][0]->co[0])*(i/((float)previewlines+1))+v[0][0]->co[0];
|
||||
co[0][1] = (v[0][1]->co[1] - v[0][0]->co[1])*(i/((float)previewlines+1))+v[0][0]->co[1];
|
||||
co[0][2] = (v[0][1]->co[2] - v[0][0]->co[2])*(i/((float)previewlines+1))+v[0][0]->co[2];
|
||||
|
||||
co[1][0] = (v[1][1]->co[0] - v[1][0]->co[0])*(i/((float)previewlines+1))+v[1][0]->co[0];
|
||||
co[1][1] = (v[1][1]->co[1] - v[1][0]->co[1])*(i/((float)previewlines+1))+v[1][0]->co[1];
|
||||
co[1][2] = (v[1][1]->co[2] - v[1][0]->co[2])*(i/((float)previewlines+1))+v[1][0]->co[2];
|
||||
|
||||
V_GROW(edges);
|
||||
VECCOPY(edges[tot][0], co[0]);
|
||||
VECCOPY(edges[tot][1], co[1]);
|
||||
tot++;
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
select = (startedge->f & SELECT) == 0;
|
||||
|
||||
/* select the edges */
|
||||
for(eed= em->edges.first; eed; eed= eed->next) {
|
||||
if(eed->f2) EM_select_edge(eed, select);
|
||||
}
|
||||
}
|
||||
|
||||
lcd->edges = edges;
|
||||
lcd->totedge = tot;
|
||||
}
|
||||
|
||||
static void ringsel_find_edge(tringselOpData *lcd, const bContext *C, ARegion *ar)
|
||||
{
|
||||
if (lcd->eed)
|
||||
edgering_sel(lcd, 1, 0);
|
||||
}
|
||||
|
||||
static void ringsel_finish(bContext *C, wmOperator *op)
|
||||
{
|
||||
tringselOpData *lcd= op->customdata;
|
||||
|
||||
if (lcd->eed);
|
||||
edgering_sel(lcd, 0, 1);
|
||||
}
|
||||
|
||||
/* called when modal loop selection is done... */
|
||||
static void ringsel_exit (bContext *C, wmOperator *op)
|
||||
{
|
||||
tringselOpData *lcd= op->customdata;
|
||||
|
||||
/* deactivate the extra drawing stuff in 3D-View */
|
||||
ED_region_draw_cb_exit(lcd->ar->type, lcd->draw_handle);
|
||||
|
||||
if (lcd->edges)
|
||||
MEM_freeN(lcd->edges);
|
||||
|
||||
ED_region_tag_redraw(lcd->ar);
|
||||
|
||||
/* free the custom data */
|
||||
MEM_freeN(lcd);
|
||||
op->customdata= NULL;
|
||||
}
|
||||
|
||||
/* called when modal loop selection gets set up... */
|
||||
static int ringsel_init (bContext *C, wmOperator *op)
|
||||
{
|
||||
tringselOpData *lcd;
|
||||
|
||||
/* alloc new customdata */
|
||||
lcd= op->customdata= MEM_callocN(sizeof(tringselOpData), "ringsel Modal Op Data");
|
||||
|
||||
/* assign the drawing handle for drawing preview line... */
|
||||
lcd->ar= CTX_wm_region(C);
|
||||
lcd->draw_handle= ED_region_draw_cb_activate(lcd->ar->type, ringsel_draw, lcd, REGION_DRAW_POST);
|
||||
lcd->ob = CTX_data_edit_object(C);
|
||||
lcd->em= BKE_mesh_get_editmesh((Mesh *)lcd->ob->data);
|
||||
lcd->extend = RNA_boolean_get(op->ptr, "extend");
|
||||
em_setup_viewcontext(C, &lcd->vc);
|
||||
|
||||
ED_region_tag_redraw(lcd->ar);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int ringsel_cancel (bContext *C, wmOperator *op)
|
||||
{
|
||||
/* this is just a wrapper around exit() */
|
||||
ringsel_exit(C, op);
|
||||
return OPERATOR_CANCELLED;
|
||||
}
|
||||
|
||||
static int ringsel_invoke (bContext *C, wmOperator *op, wmEvent *evt)
|
||||
{
|
||||
ScrArea *sa = CTX_wm_area(C);
|
||||
tringselOpData *lcd;
|
||||
EditEdge *edge;
|
||||
int dist = 75;
|
||||
|
||||
view3d_operator_needs_opengl(C);
|
||||
|
||||
if (!ringsel_init(C, op))
|
||||
return OPERATOR_CANCELLED;
|
||||
|
||||
/* add a modal handler for this operator - handles loop selection */
|
||||
WM_event_add_modal_handler(C, &CTX_wm_window(C)->handlers, op);
|
||||
|
||||
lcd = op->customdata;
|
||||
lcd->vc.mval[0] = evt->mval[0];
|
||||
lcd->vc.mval[1] = evt->mval[1];
|
||||
|
||||
edge = findnearestedge(&lcd->vc, &dist);
|
||||
if (edge != lcd->eed) {
|
||||
lcd->eed = edge;
|
||||
ringsel_find_edge(lcd, C, lcd->ar);
|
||||
}
|
||||
|
||||
return OPERATOR_RUNNING_MODAL;
|
||||
}
|
||||
|
||||
static int ringsel_modal (bContext *C, wmOperator *op, wmEvent *event)
|
||||
{
|
||||
tringselOpData *lcd= op->customdata;
|
||||
|
||||
view3d_operator_needs_opengl(C);
|
||||
|
||||
switch (event->type) {
|
||||
case RIGHTMOUSE:
|
||||
case LEFTMOUSE: /* confirm */ // XXX hardcoded
|
||||
if (event->val == 0) {
|
||||
/* finish */
|
||||
ED_region_tag_redraw(lcd->ar);
|
||||
|
||||
ringsel_finish(C, op);
|
||||
ringsel_exit(C, op);
|
||||
|
||||
return OPERATOR_FINISHED;
|
||||
}
|
||||
|
||||
ED_region_tag_redraw(lcd->ar);
|
||||
break;
|
||||
case MOUSEMOVE: { /* mouse moved somewhere to select another loop */
|
||||
int dist = 75;
|
||||
EditEdge *edge;
|
||||
|
||||
lcd->vc.mval[0] = event->mval[0];
|
||||
lcd->vc.mval[1] = event->mval[1];
|
||||
edge = findnearestedge(&lcd->vc, &dist);
|
||||
|
||||
if (edge != lcd->eed) {
|
||||
lcd->eed = edge;
|
||||
ringsel_find_edge(lcd, C, lcd->ar);
|
||||
}
|
||||
|
||||
ED_region_tag_redraw(lcd->ar);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* keep going until the user confirms */
|
||||
return OPERATOR_RUNNING_MODAL;
|
||||
}
|
||||
|
||||
// naming is whatever this should use...
|
||||
void MESH_OT_edgering_select (wmOperatorType *ot)
|
||||
{
|
||||
/* description */
|
||||
ot->name= "Loop Cut";
|
||||
ot->idname= "MESH_OT_edgering_select";
|
||||
ot->description= "Add a new loop between existing loops.";
|
||||
|
||||
/* callbacks */
|
||||
ot->invoke= ringsel_invoke;
|
||||
ot->modal= ringsel_modal;
|
||||
ot->cancel= ringsel_cancel;
|
||||
ot->poll= ED_operator_editmesh;
|
||||
|
||||
/* flags */
|
||||
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING;
|
||||
|
||||
RNA_def_boolean(ot->srna, "extend", 0, "Extend", "Extend the selection");
|
||||
}
|
@ -242,5 +242,7 @@ void MESH_OT_vertex_color_remove(struct wmOperatorType *ot);
|
||||
void MESH_OT_sticky_add(struct wmOperatorType *ot);
|
||||
void MESH_OT_sticky_remove(struct wmOperatorType *ot);
|
||||
|
||||
void MESH_OT_edgering_select(struct wmOperatorType *ot);
|
||||
|
||||
#endif // MESH_INTERN_H
|
||||
|
||||
|
@ -320,6 +320,8 @@ void ED_operatortypes_mesh(void)
|
||||
WM_operatortype_append(MESH_OT_face_specials);
|
||||
WM_operatortype_append(MESH_OT_specials);
|
||||
|
||||
WM_operatortype_append(MESH_OT_edgering_select);
|
||||
|
||||
/* macros */
|
||||
ot= WM_operatortype_append_macro("MESH_OT_duplicate_move", "Add Duplicate", OPTYPE_UNDO|OPTYPE_REGISTER);
|
||||
WM_operatortype_macro_define(ot, "MESH_OT_duplicate");
|
||||
@ -332,7 +334,7 @@ void ED_operatortypes_mesh(void)
|
||||
ot= WM_operatortype_append_macro("MESH_OT_extrude_move", "Extrude", OPTYPE_UNDO|OPTYPE_REGISTER);
|
||||
WM_operatortype_macro_define(ot, "MESH_OT_extrude");
|
||||
WM_operatortype_macro_define(ot, "TFM_OT_translate");
|
||||
|
||||
|
||||
}
|
||||
|
||||
/* note mesh keymap also for other space? */
|
||||
@ -346,11 +348,10 @@ void ED_keymap_mesh(wmWindowManager *wm)
|
||||
WM_keymap_add_item(keymap, "MESH_OT_loop_select", SELECTMOUSE, KM_PRESS, KM_ALT, 0);
|
||||
kmi= WM_keymap_add_item(keymap, "MESH_OT_loop_select", SELECTMOUSE, KM_PRESS, KM_SHIFT|KM_ALT, 0);
|
||||
RNA_boolean_set(kmi->ptr, "extend", 1);
|
||||
kmi= WM_keymap_add_item(keymap, "MESH_OT_loop_select", SELECTMOUSE, KM_PRESS, KM_ALT|KM_CTRL, 0);
|
||||
RNA_boolean_set(kmi->ptr, "ring", 1);
|
||||
kmi= WM_keymap_add_item(keymap, "MESH_OT_loop_select", SELECTMOUSE, KM_PRESS, KM_SHIFT|KM_ALT|KM_CTRL, 0);
|
||||
|
||||
kmi= WM_keymap_add_item(keymap, "MESH_OT_edgering_select", SELECTMOUSE, KM_PRESS, KM_ALT|KM_CTRL, 0);
|
||||
kmi= WM_keymap_add_item(keymap, "MESH_OT_edgering_select", SELECTMOUSE, KM_PRESS, KM_SHIFT|KM_ALT|KM_CTRL, 0);
|
||||
RNA_boolean_set(kmi->ptr, "extend", 1);
|
||||
RNA_boolean_set(kmi->ptr, "ring", 1);
|
||||
|
||||
WM_keymap_add_item(keymap, "MESH_OT_select_shortest_path", SELECTMOUSE, KM_PRESS, KM_CTRL, 0);
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user