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/*
* ***** 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.
*
* Contributor(s): Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/mesh/editmesh_inset.c
* \ingroup edmesh
*/
#include "MEM_guardedalloc.h"
#include "DNA_object_types.h"
#include "BLI_string.h"
#include "BLI_math.h"
#include "BLF_translation.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_editmesh.h"
#include "RNA_define.h"
#include "RNA_access.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_mesh.h"
#include "ED_numinput.h"
#include "ED_screen.h"
#include "ED_space_api.h"
#include "ED_transform.h"
#include "ED_view3d.h"
#include "mesh_intern.h" /* own include */
#define HEADER_LENGTH 180
typedef struct {
float old_thickness;
float old_depth;
bool modify_depth;
float initial_length;
float pixel_size; /* use when mouse input is interpreted as spatial distance */
bool is_modal;
bool shift;
float shift_amount;
BMEditMesh *em;
NumInput num_input;
/* modal only */
int mcenter[2];
BMBackup mesh_backup;
void *draw_handle_pixel;
short twtype;
} InsetData;
static void edbm_inset_update_header(wmOperator *op, bContext *C)
{
InsetData *opdata = op->customdata;
const char *str = IFACE_("Confirm: Enter/LClick, Cancel: (Esc/RClick), Thickness: %s, "
"Depth (Ctrl to tweak): %s (%s), Outset (O): (%s), Boundary (B): (%s), Individual (I): (%s)");
char msg[HEADER_LENGTH];
ScrArea *sa = CTX_wm_area(C);
if (sa) {
char flts_str[NUM_STR_REP_LEN * 2];
if (hasNumInput(&opdata->num_input))
outputNumInput(&opdata->num_input, flts_str);
else {
BLI_snprintf(flts_str, NUM_STR_REP_LEN, "%f", RNA_float_get(op->ptr, "thickness"));
BLI_snprintf(flts_str + NUM_STR_REP_LEN, NUM_STR_REP_LEN, "%f", RNA_float_get(op->ptr, "depth"));
}
BLI_snprintf(msg, HEADER_LENGTH, str,
flts_str,
flts_str + NUM_STR_REP_LEN,
opdata->modify_depth ? IFACE_("On") : IFACE_("Off"),
RNA_boolean_get(op->ptr, "use_outset") ? IFACE_("On") : IFACE_("Off"),
RNA_boolean_get(op->ptr, "use_boundary") ? IFACE_("On") : IFACE_("Off"),
RNA_boolean_get(op->ptr, "use_individual") ? IFACE_("On") : IFACE_("Off")
);
ED_area_headerprint(sa, msg);
}
}
static bool edbm_inset_init(bContext *C, wmOperator *op, const bool is_modal)
{
InsetData *opdata;
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
if (em->bm->totvertsel == 0) {
return false;
}
op->customdata = opdata = MEM_mallocN(sizeof(InsetData), "inset_operator_data");
opdata->old_thickness = 0.01;
opdata->old_depth = 0.0;
opdata->modify_depth = false;
opdata->shift = false;
opdata->shift_amount = 0.0f;
opdata->is_modal = is_modal;
opdata->em = em;
initNumInput(&opdata->num_input);
opdata->num_input.idx_max = 1; /* Two elements. */
if (is_modal) {
View3D *v3d = CTX_wm_view3d(C);
ARegion *ar = CTX_wm_region(C);
opdata->mesh_backup = EDBM_redo_state_store(em);
opdata->draw_handle_pixel = ED_region_draw_cb_activate(ar->type, ED_region_draw_mouse_line_cb, opdata->mcenter, REGION_DRAW_POST_PIXEL);
G.moving = G_TRANSFORM_EDIT;
opdata->twtype = v3d->twtype;
v3d->twtype = 0;
}
return true;
}
static void edbm_inset_exit(bContext *C, wmOperator *op)
{
InsetData *opdata;
ScrArea *sa = CTX_wm_area(C);
opdata = op->customdata;
if (opdata->is_modal) {
View3D *v3d = CTX_wm_view3d(C);
ARegion *ar = CTX_wm_region(C);
EDBM_redo_state_free(&opdata->mesh_backup, NULL, false);
ED_region_draw_cb_exit(ar->type, opdata->draw_handle_pixel);
v3d->twtype = opdata->twtype;
G.moving = 0;
}
if (sa) {
ED_area_headerprint(sa, NULL);
}
MEM_freeN(op->customdata);
}
static int edbm_inset_cancel(bContext *C, wmOperator *op)
{
InsetData *opdata;
opdata = op->customdata;
if (opdata->is_modal) {
EDBM_redo_state_free(&opdata->mesh_backup, opdata->em, true);
EDBM_update_generic(opdata->em, false, true);
}
edbm_inset_exit(C, op);
/* need to force redisplay or we may still view the modified result */
ED_region_tag_redraw(CTX_wm_region(C));
return OPERATOR_CANCELLED;
}
static bool edbm_inset_calc(wmOperator *op)
{
InsetData *opdata;
BMEditMesh *em;
BMOperator bmop;
const bool use_boundary = RNA_boolean_get(op->ptr, "use_boundary");
const bool use_even_offset = RNA_boolean_get(op->ptr, "use_even_offset");
const bool use_relative_offset = RNA_boolean_get(op->ptr, "use_relative_offset");
const float thickness = RNA_float_get(op->ptr, "thickness");
const float depth = RNA_float_get(op->ptr, "depth");
const bool use_outset = RNA_boolean_get(op->ptr, "use_outset");
const bool use_select_inset = RNA_boolean_get(op->ptr, "use_select_inset"); /* not passed onto the BMO */
const bool use_individual = RNA_boolean_get(op->ptr, "use_individual");
const bool use_interpolate = RNA_boolean_get(op->ptr, "use_interpolate");
opdata = op->customdata;
em = opdata->em;
if (opdata->is_modal) {
EDBM_redo_state_restore(opdata->mesh_backup, em, false);
}
if (use_individual) {
EDBM_op_init(em, &bmop, op,
"inset_individual faces=%hf use_even_offset=%b use_relative_offset=%b"
"use_interpolate=%b thickness=%f depth=%f",
BM_ELEM_SELECT, use_even_offset, use_relative_offset, use_interpolate,
thickness, depth);
}
else {
EDBM_op_init(em, &bmop, op,
"inset_region faces=%hf use_boundary=%b use_even_offset=%b use_relative_offset=%b"
" use_interpolate=%b thickness=%f depth=%f use_outset=%b",
BM_ELEM_SELECT, use_boundary, use_even_offset, use_relative_offset, use_interpolate,
thickness, depth, use_outset);
}
BMO_op_exec(em->bm, &bmop);
if (use_select_inset) {
/* deselect original faces/verts */
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "faces.out", BM_FACE, BM_ELEM_SELECT, true);
}
else {
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_in, "faces", BM_FACE, BM_ELEM_SELECT, true);
}
if (!EDBM_op_finish(em, &bmop, op, true)) {
return false;
}
else {
EDBM_update_generic(em, true, true);
return true;
}
}
static int edbm_inset_exec(bContext *C, wmOperator *op)
{
if (!edbm_inset_init(C, op, false)) {
return OPERATOR_CANCELLED;
}
if (!edbm_inset_calc(op)) {
edbm_inset_exit(C, op);
return OPERATOR_CANCELLED;
}
edbm_inset_exit(C, op);
return OPERATOR_FINISHED;
}
static int edbm_inset_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
RegionView3D *rv3d = CTX_wm_region_view3d(C);
InsetData *opdata;
float mlen[2];
float center_3d[3];
if (!edbm_inset_init(C, op, true)) {
return OPERATOR_CANCELLED;
}
opdata = op->customdata;
/* initialize mouse values */
if (!calculateTransformCenter(C, V3D_CENTROID, center_3d, opdata->mcenter)) {
/* in this case the tool will likely do nothing,
* ideally this will never happen and should be checked for above */
opdata->mcenter[0] = opdata->mcenter[1] = 0;
}
mlen[0] = opdata->mcenter[0] - event->mval[0];
mlen[1] = opdata->mcenter[1] - event->mval[1];
opdata->initial_length = len_v2(mlen);
opdata->pixel_size = rv3d ? ED_view3d_pixel_size(rv3d, center_3d) : 1.0f;
edbm_inset_calc(op);
edbm_inset_update_header(op, C);
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
static int edbm_inset_modal(bContext *C, wmOperator *op, const wmEvent *event)
{
InsetData *opdata = op->customdata;
if (event->val == KM_PRESS) {
/* Try to handle numeric inputs... */
if (handleNumInput(&opdata->num_input, event)) {
float amounts[2] = {RNA_float_get(op->ptr, "thickness"),
RNA_float_get(op->ptr, "depth")};
applyNumInput(&opdata->num_input, amounts);
amounts[0] = max_ff(amounts[0], 0.0f);
RNA_float_set(op->ptr, "thickness", amounts[0]);
RNA_float_set(op->ptr, "depth", amounts[1]);
if (edbm_inset_calc(op)) {
edbm_inset_update_header(op, C);
return OPERATOR_RUNNING_MODAL;
}
else {
edbm_inset_cancel(C, op);
return OPERATOR_CANCELLED;
}
}
}
switch (event->type) {
case ESCKEY:
case RIGHTMOUSE:
edbm_inset_cancel(C, op);
return OPERATOR_CANCELLED;
case MOUSEMOVE:
if (!hasNumInput(&opdata->num_input)) {
float mdiff[2];
float amount;
mdiff[0] = opdata->mcenter[0] - event->mval[0];
mdiff[1] = opdata->mcenter[1] - event->mval[1];
if (opdata->modify_depth)
amount = opdata->old_depth + ((len_v2(mdiff) - opdata->initial_length) * opdata->pixel_size);
else
amount = opdata->old_thickness - ((len_v2(mdiff) - opdata->initial_length) * opdata->pixel_size);
/* Fake shift-transform... */
if (opdata->shift)
amount = (amount - opdata->shift_amount) * 0.1f + opdata->shift_amount;
if (opdata->modify_depth)
RNA_float_set(op->ptr, "depth", amount);
else {
amount = max_ff(amount, 0.0f);
RNA_float_set(op->ptr, "thickness", amount);
}
if (edbm_inset_calc(op))
edbm_inset_update_header(op, C);
else {
edbm_inset_cancel(C, op);
return OPERATOR_CANCELLED;
}
}
break;
case LEFTMOUSE:
case PADENTER:
case RETKEY:
edbm_inset_calc(op);
edbm_inset_exit(C, op);
return OPERATOR_FINISHED;
case LEFTSHIFTKEY:
case RIGHTSHIFTKEY:
if (event->val == KM_PRESS) {
if (opdata->modify_depth)
opdata->shift_amount = RNA_float_get(op->ptr, "depth");
else
opdata->shift_amount = RNA_float_get(op->ptr, "thickness");
opdata->shift = true;
}
else {
opdata->shift_amount = 0.0f;
opdata->shift = false;
}
break;
case LEFTCTRLKEY:
case RIGHTCTRLKEY:
{
float mlen[2];
mlen[0] = opdata->mcenter[0] - event->mval[0];
mlen[1] = opdata->mcenter[1] - event->mval[1];
if (event->val == KM_PRESS) {
opdata->old_thickness = RNA_float_get(op->ptr, "thickness");
if (opdata->shift)
opdata->shift_amount = opdata->old_thickness;
opdata->modify_depth = true;
}
else {
opdata->old_depth = RNA_float_get(op->ptr, "depth");
if (opdata->shift)
opdata->shift_amount = opdata->old_depth;
opdata->modify_depth = false;
}
opdata->initial_length = len_v2(mlen);
edbm_inset_update_header(op, C);
break;
}
case OKEY:
if (event->val == KM_PRESS) {
const bool use_outset = RNA_boolean_get(op->ptr, "use_outset");
RNA_boolean_set(op->ptr, "use_outset", !use_outset);
if (edbm_inset_calc(op)) {
edbm_inset_update_header(op, C);
}
else {
edbm_inset_cancel(C, op);
return OPERATOR_CANCELLED;
}
}
break;
case BKEY:
if (event->val == KM_PRESS) {
const bool use_boundary = RNA_boolean_get(op->ptr, "use_boundary");
RNA_boolean_set(op->ptr, "use_boundary", !use_boundary);
if (edbm_inset_calc(op)) {
edbm_inset_update_header(op, C);
}
else {
edbm_inset_cancel(C, op);
return OPERATOR_CANCELLED;
}
}
break;
case IKEY:
if (event->val == KM_PRESS) {
const bool use_individual = RNA_boolean_get(op->ptr, "use_individual");
RNA_boolean_set(op->ptr, "use_individual", !use_individual);
if (edbm_inset_calc(op)) {
edbm_inset_update_header(op, C);
}
else {
edbm_inset_cancel(C, op);
return OPERATOR_CANCELLED;
}
}
break;
}
return OPERATOR_RUNNING_MODAL;
}
void MESH_OT_inset(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Inset Faces";
ot->idname = "MESH_OT_inset";
ot->description = "Inset new faces into selected faces";
/* api callbacks */
ot->invoke = edbm_inset_invoke;
ot->modal = edbm_inset_modal;
ot->exec = edbm_inset_exec;
ot->cancel = edbm_inset_cancel;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO | OPTYPE_GRAB_POINTER | OPTYPE_BLOCKING;
/* properties */
RNA_def_boolean(ot->srna, "use_boundary", true, "Boundary", "Inset face boundaries");
RNA_def_boolean(ot->srna, "use_even_offset", true, "Offset Even", "Scale the offset to give more even thickness");
RNA_def_boolean(ot->srna, "use_relative_offset", false, "Offset Relative", "Scale the offset by surrounding geometry");
prop = RNA_def_float(ot->srna, "thickness", 0.01f, 0.0f, FLT_MAX, "Thickness", "", 0.0f, 10.0f);
/* use 1 rather then 10 for max else dragging the button moves too far */
RNA_def_property_ui_range(prop, 0.0, 1.0, 0.01, 4);
prop = RNA_def_float(ot->srna, "depth", 0.0f, -FLT_MAX, FLT_MAX, "Depth", "", -10.0f, 10.0f);
RNA_def_property_ui_range(prop, -10.0f, 10.0f, 0.01, 4);
RNA_def_boolean(ot->srna, "use_outset", false, "Outset", "Outset rather than inset");
RNA_def_boolean(ot->srna, "use_select_inset", true, "Select Outer", "Select the new inset faces");
RNA_def_boolean(ot->srna, "use_individual", false, "Individual", "Individual Face Inset");
RNA_def_boolean(ot->srna, "use_interpolate", true, "Interpolate", "Blend face data across the inset");
}
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