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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.
*
* The Original Code is Copyright (C) 2009 by Nicholas Bishop
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "MEM_guardedalloc.h"
#include "DNA_object_types.h"
#include "DNA_mesh_types.h"
#include "DNA_scene_types.h"
#include "DNA_brush_types.h"
#include "BKE_brush.h"
#include "BKE_DerivedMesh.h"
#include "BKE_dmgrid.h"
#include "BKE_library.h"
#include "BKE_paint.h"
#include "BKE_utildefines.h"
#include "BLI_listbase.h"
#include "BLI_pbvh.h"
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
const char PAINT_CURSOR_SCULPT[3] = {255, 100, 100};
const char PAINT_CURSOR_VERTEX_PAINT[3] = {255, 255, 255};
const char PAINT_CURSOR_WEIGHT_PAINT[3] = {200, 200, 255};
const char PAINT_CURSOR_TEXTURE_PAINT[3] = {255, 255, 255};
Paint *paint_get_active(Scene *sce)
{
if(sce) {
ToolSettings *ts = sce->toolsettings;
if(sce->basact && sce->basact->object) {
switch(sce->basact->object->mode) {
case OB_MODE_SCULPT:
return &ts->sculpt->paint;
case OB_MODE_VERTEX_PAINT:
return &ts->vpaint->paint;
case OB_MODE_WEIGHT_PAINT:
return &ts->wpaint->paint;
case OB_MODE_TEXTURE_PAINT:
return &ts->imapaint.paint;
}
}
/* default to image paint */
return &ts->imapaint.paint;
}
return NULL;
}
Brush *paint_brush(Paint *p)
{
return p ? p->brush : NULL;
}
void paint_brush_set(Paint *p, Brush *br)
{
if(p)
p->brush= br;
}
int paint_facesel_test(Object *ob)
{
return (ob && ob->type==OB_MESH && ob->data && (((Mesh *)ob->data)->editflag & ME_EDIT_PAINT_MASK) && (ob->mode & (OB_MODE_VERTEX_PAINT|OB_MODE_WEIGHT_PAINT|OB_MODE_TEXTURE_PAINT)));
}
void paint_init(Paint *p, const char col[3])
{
Brush *brush;
/* If there's no brush, create one */
brush = paint_brush(p);
if(brush == NULL)
brush= add_brush("Brush");
paint_brush_set(p, brush);
memcpy(p->paint_cursor_col, col, 3);
p->paint_cursor_col[3] = 128;
p->flags |= PAINT_SHOW_BRUSH;
}
void free_paint(Paint *paint)
{
/* nothing */
}
void copy_paint(Paint *src, Paint *tar)
{
tar->brush= src->brush;
}
/* Update the mask without doing a full object recalc */
void paint_refresh_mask_display(Object *ob)
{
if(ob && ob->paint && ob->paint->pbvh) {
BLI_pbvh_search_callback(ob->paint->pbvh, NULL, NULL,
BLI_pbvh_node_set_flags,
SET_INT_IN_POINTER(PBVH_UpdateColorBuffers));
}
}
float paint_mask_from_gridelem(DMGridData *elem, GridKey *gridkey,
CustomData *vdata)
{
CustomDataLayer *cdl;
float mask = 0;
int i, ndx;
for(i=0; i < gridkey->mask; ++i) {
ndx = CustomData_get_named_layer_index(vdata,
CD_PAINTMASK,
gridkey->mask_names[i]);
cdl = &vdata->layers[ndx];
if(!(cdl->flag & CD_FLAG_ENABLED))
continue;
mask += GRIDELEM_MASK(elem, gridkey)[i] * cdl->strength;
}
CLAMP(mask, 0, 1);
return mask;
}
float paint_mask_from_vertex(CustomData *vdata, int vertex_index,
int pmask_totlayer, int pmask_first_layer)
{
float mask = 0;
int i;
for(i = 0; i < pmask_totlayer; ++i) {
CustomDataLayer *cdl= vdata->layers + pmask_first_layer + i;
if(!(cdl->flag & CD_FLAG_ENABLED))
continue;
mask += ((float*)cdl->data)[vertex_index] * cdl->strength;
}
CLAMP(mask, 0, 1);
return mask;
}
void create_paintsession(Object *ob)
{
if(ob->paint)
free_paintsession(ob);
ob->paint = MEM_callocN(sizeof(PaintSession), "PaintSession");
}
static void free_sculptsession(PaintSession *ps)
{
if(ps && ps->sculpt) {
SculptSession *ss = ps->sculpt;
BLI_freelistN(&ss->hidden_areas);
if(ss->texcache)
MEM_freeN(ss->texcache);
if(ss->layer_co)
MEM_freeN(ss->layer_co);
MEM_freeN(ss);
ps->sculpt = NULL;
}
}
void free_paintsession(Object *ob)
{
if(ob && ob->paint) {
PaintSession *ps = ob->paint;
DerivedMesh *dm= ob->derivedFinal;
free_sculptsession(ps);
if(ps->pbvh)
BLI_pbvh_free(ps->pbvh);
if(dm && dm->getPBVH)
dm->getPBVH(NULL, dm); /* signal to clear PBVH */
MEM_freeN(ps);
ob->paint = NULL;
}
}
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