401 lines
10 KiB
C
401 lines
10 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2005 Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): Ben Batt
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/modifiers/intern/MOD_util.c
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* \ingroup modifiers
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*/
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#include <string.h>
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#include "DNA_image_types.h"
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#include "DNA_meshdata_types.h"
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#include "DNA_mesh_types.h"
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#include "DNA_modifier_types.h"
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#include "DNA_object_types.h"
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#include "DNA_scene_types.h"
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#include "DNA_scene_types.h"
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#include "BLI_utildefines.h"
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#include "BLI_math_vector.h"
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#include "BLI_math_matrix.h"
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#include "BKE_cdderivedmesh.h"
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#include "BKE_deform.h"
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#include "BKE_image.h"
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#include "BKE_lattice.h"
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#include "BKE_mesh.h"
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#include "BKE_modifier.h"
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#include "MOD_util.h"
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#include "MOD_modifiertypes.h"
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#include "MEM_guardedalloc.h"
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void modifier_init_texture(const Scene *scene, Tex *tex)
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{
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if (!tex)
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return;
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if (tex->ima && BKE_image_is_animated(tex->ima)) {
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BKE_image_user_frame_calc(&tex->iuser, scene->r.cfra, 0);
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}
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}
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/* TODO to be renamed to get_texture_coords once we are done with moving modifiers to Mesh. */
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void get_texture_coords_mesh(
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MappingInfoModifierData *dmd,
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Object *ob,
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Mesh *mesh,
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float (*r_texco)[3])
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{
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const int numVerts = mesh->totvert;
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int i;
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int texmapping = dmd->texmapping;
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float mapob_imat[4][4];
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if (texmapping == MOD_DISP_MAP_OBJECT) {
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if (dmd->map_object)
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invert_m4_m4(mapob_imat, dmd->map_object->obmat);
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else /* if there is no map object, default to local */
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texmapping = MOD_DISP_MAP_LOCAL;
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}
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/* UVs need special handling, since they come from faces */
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if (texmapping == MOD_DISP_MAP_UV) {
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if (CustomData_has_layer(&mesh->ldata, CD_MLOOPUV)) {
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MPoly *mpoly = mesh->mpoly;
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MPoly *mp;
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MLoop *mloop = mesh->mloop;
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BLI_bitmap *done = BLI_BITMAP_NEW(numVerts, __func__);
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const int numPolys = mesh->totpoly;
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char uvname[MAX_CUSTOMDATA_LAYER_NAME];
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MLoopUV *mloop_uv;
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CustomData_validate_layer_name(&mesh->ldata, CD_MLOOPUV, dmd->uvlayer_name, uvname);
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mloop_uv = CustomData_get_layer_named(&mesh->ldata, CD_MLOOPUV, uvname);
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/* verts are given the UV from the first face that uses them */
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for (i = 0, mp = mpoly; i < numPolys; ++i, ++mp) {
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unsigned int fidx = mp->totloop - 1;
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do {
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unsigned int lidx = mp->loopstart + fidx;
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unsigned int vidx = mloop[lidx].v;
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if (!BLI_BITMAP_TEST(done, vidx)) {
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/* remap UVs from [0, 1] to [-1, 1] */
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r_texco[vidx][0] = (mloop_uv[lidx].uv[0] * 2.0f) - 1.0f;
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r_texco[vidx][1] = (mloop_uv[lidx].uv[1] * 2.0f) - 1.0f;
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BLI_BITMAP_ENABLE(done, vidx);
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}
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} while (fidx--);
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}
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MEM_freeN(done);
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return;
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}
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else {
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/* if there are no UVs, default to local */
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texmapping = MOD_DISP_MAP_LOCAL;
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}
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}
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MVert *mv = mesh->mvert;
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for (i = 0; i < numVerts; ++i, ++mv, ++r_texco) {
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switch (texmapping) {
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case MOD_DISP_MAP_LOCAL:
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copy_v3_v3(*r_texco, mv->co);
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break;
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case MOD_DISP_MAP_GLOBAL:
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mul_v3_m4v3(*r_texco, ob->obmat, mv->co);
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break;
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case MOD_DISP_MAP_OBJECT:
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mul_v3_m4v3(*r_texco, ob->obmat, mv->co);
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mul_m4_v3(mapob_imat, *r_texco);
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break;
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}
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}
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}
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void get_texture_coords(MappingInfoModifierData *dmd, Object *ob,
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DerivedMesh *dm,
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float (*co)[3], float (*texco)[3],
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int numVerts)
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{
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int i;
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int texmapping = dmd->texmapping;
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float mapob_imat[4][4];
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if (texmapping == MOD_DISP_MAP_OBJECT) {
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if (dmd->map_object)
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invert_m4_m4(mapob_imat, dmd->map_object->obmat);
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else /* if there is no map object, default to local */
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texmapping = MOD_DISP_MAP_LOCAL;
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}
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/* UVs need special handling, since they come from faces */
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if (texmapping == MOD_DISP_MAP_UV) {
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if (CustomData_has_layer(&dm->loopData, CD_MLOOPUV)) {
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MPoly *mpoly = dm->getPolyArray(dm);
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MPoly *mp;
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MLoop *mloop = dm->getLoopArray(dm);
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char *done = MEM_calloc_arrayN(numVerts, sizeof(*done),
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"get_texture_coords done");
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int numPolys = dm->getNumPolys(dm);
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char uvname[MAX_CUSTOMDATA_LAYER_NAME];
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MLoopUV *mloop_uv;
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CustomData_validate_layer_name(&dm->loopData, CD_MLOOPUV, dmd->uvlayer_name, uvname);
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mloop_uv = CustomData_get_layer_named(&dm->loopData, CD_MLOOPUV, uvname);
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/* verts are given the UV from the first face that uses them */
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for (i = 0, mp = mpoly; i < numPolys; ++i, ++mp) {
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unsigned int fidx = mp->totloop - 1;
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do {
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unsigned int lidx = mp->loopstart + fidx;
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unsigned int vidx = mloop[lidx].v;
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if (done[vidx] == 0) {
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/* remap UVs from [0, 1] to [-1, 1] */
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texco[vidx][0] = (mloop_uv[lidx].uv[0] * 2.0f) - 1.0f;
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texco[vidx][1] = (mloop_uv[lidx].uv[1] * 2.0f) - 1.0f;
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done[vidx] = 1;
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}
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} while (fidx--);
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}
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MEM_freeN(done);
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return;
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}
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else /* if there are no UVs, default to local */
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texmapping = MOD_DISP_MAP_LOCAL;
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}
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for (i = 0; i < numVerts; ++i, ++co, ++texco) {
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switch (texmapping) {
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case MOD_DISP_MAP_LOCAL:
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copy_v3_v3(*texco, *co);
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break;
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case MOD_DISP_MAP_GLOBAL:
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mul_v3_m4v3(*texco, ob->obmat, *co);
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break;
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case MOD_DISP_MAP_OBJECT:
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mul_v3_m4v3(*texco, ob->obmat, *co);
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mul_m4_v3(mapob_imat, *texco);
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break;
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}
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}
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}
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void modifier_vgroup_cache(ModifierData *md, float (*vertexCos)[3])
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{
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while ((md = md->next) && md->type == eModifierType_Armature) {
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ArmatureModifierData *amd = (ArmatureModifierData *) md;
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if (amd->multi && amd->prevCos == NULL)
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amd->prevCos = MEM_dupallocN(vertexCos);
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else
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break;
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}
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/* lattice/mesh modifier too */
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}
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/* returns a cdderivedmesh if dm == NULL or is another type of derivedmesh */
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DerivedMesh *get_cddm(Object *ob, struct BMEditMesh *em, DerivedMesh *dm, float (*vertexCos)[3], bool use_normals)
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{
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if (dm) {
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if (dm->type != DM_TYPE_CDDM) {
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dm = CDDM_copy(dm);
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}
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CDDM_apply_vert_coords(dm, vertexCos);
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if (use_normals) {
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DM_ensure_normals(dm);
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}
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}
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else {
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dm = get_dm(ob, em, dm, vertexCos, use_normals, false);
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}
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return dm;
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}
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/* returns a derived mesh if dm == NULL, for deforming modifiers that need it */
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DerivedMesh *get_dm(Object *ob, struct BMEditMesh *em, DerivedMesh *dm,
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float (*vertexCos)[3], bool use_normals, bool use_orco)
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{
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if (dm) {
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/* pass */
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}
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else if (ob->type == OB_MESH) {
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if (em) dm = CDDM_from_editbmesh(em, false, false);
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else dm = CDDM_from_mesh((struct Mesh *)(ob->data));
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if (vertexCos) {
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CDDM_apply_vert_coords(dm, vertexCos);
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dm->dirty |= DM_DIRTY_NORMALS;
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}
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if (use_orco) {
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DM_add_vert_layer(dm, CD_ORCO, CD_ASSIGN, BKE_mesh_orco_verts_get(ob));
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}
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}
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else if (ELEM(ob->type, OB_FONT, OB_CURVE, OB_SURF)) {
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dm = CDDM_from_curve(ob);
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}
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if (use_normals) {
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if (LIKELY(dm)) {
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DM_ensure_normals(dm);
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}
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}
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return dm;
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}
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/* Get derived mesh for other object, which is used as an operand for the modifier,
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* i.e. second operand for boolean modifier.
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*/
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DerivedMesh *get_dm_for_modifier(Object *ob, ModifierApplyFlag flag)
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{
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if (flag & MOD_APPLY_RENDER) {
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/* TODO(sergey): Use proper derived render in the future. */
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return ob->derivedFinal;
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}
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else {
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return ob->derivedFinal;
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}
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}
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/* Get evaluated mesh for other object, which is used as an operand for the modifier,
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* i.e. second operand for boolean modifier.
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*/
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Mesh *get_mesh_eval_for_modifier(Object *ob, ModifierApplyFlag flag)
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{
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if (flag & MOD_APPLY_RENDER) {
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/* TODO(sergey): Use proper derived render in the future. */
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return ob->mesh_evaluated;
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}
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else {
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return ob->mesh_evaluated;
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}
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}
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void modifier_get_vgroup(Object *ob, DerivedMesh *dm, const char *name, MDeformVert **dvert, int *defgrp_index)
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{
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*defgrp_index = defgroup_name_index(ob, name);
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*dvert = NULL;
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if (*defgrp_index != -1) {
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if (ob->type == OB_LATTICE)
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*dvert = BKE_lattice_deform_verts_get(ob);
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else if (dm)
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*dvert = dm->getVertDataArray(dm, CD_MDEFORMVERT);
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}
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}
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/* TODO(sybren): replace the above function with this one, once we got rid of DerivedMesh for modifiers. */
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void modifier_get_vgroup_mesh(Object *ob, struct Mesh *mesh, const char *name, MDeformVert **dvert, int *defgrp_index)
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{
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*defgrp_index = defgroup_name_index(ob, name);
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*dvert = NULL;
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if (*defgrp_index != -1) {
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if (ob->type == OB_LATTICE)
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*dvert = BKE_lattice_deform_verts_get(ob);
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else if (mesh)
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*dvert = mesh->dvert;
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}
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}
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/* only called by BKE_modifier.h/modifier.c */
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void modifier_type_init(ModifierTypeInfo *types[])
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{
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#define INIT_TYPE(typeName) (types[eModifierType_##typeName] = &modifierType_##typeName)
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INIT_TYPE(None);
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INIT_TYPE(Curve);
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INIT_TYPE(Lattice);
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INIT_TYPE(Subsurf);
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INIT_TYPE(Build);
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INIT_TYPE(Array);
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INIT_TYPE(Mirror);
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INIT_TYPE(EdgeSplit);
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INIT_TYPE(Bevel);
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INIT_TYPE(Displace);
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INIT_TYPE(UVProject);
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INIT_TYPE(Decimate);
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INIT_TYPE(Smooth);
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INIT_TYPE(Cast);
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INIT_TYPE(Wave);
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INIT_TYPE(Armature);
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INIT_TYPE(Hook);
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INIT_TYPE(Softbody);
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INIT_TYPE(Cloth);
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INIT_TYPE(Collision);
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INIT_TYPE(Boolean);
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INIT_TYPE(MeshDeform);
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INIT_TYPE(Ocean);
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INIT_TYPE(ParticleSystem);
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INIT_TYPE(ParticleInstance);
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INIT_TYPE(Explode);
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INIT_TYPE(Shrinkwrap);
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INIT_TYPE(Fluidsim);
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INIT_TYPE(Mask);
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INIT_TYPE(SimpleDeform);
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INIT_TYPE(Multires);
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INIT_TYPE(Surface);
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INIT_TYPE(Smoke);
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INIT_TYPE(ShapeKey);
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INIT_TYPE(Solidify);
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INIT_TYPE(Screw);
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INIT_TYPE(Warp);
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INIT_TYPE(WeightVGEdit);
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INIT_TYPE(WeightVGMix);
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INIT_TYPE(WeightVGProximity);
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INIT_TYPE(DynamicPaint);
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INIT_TYPE(Remesh);
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INIT_TYPE(Skin);
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INIT_TYPE(LaplacianSmooth);
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INIT_TYPE(Triangulate);
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INIT_TYPE(UVWarp);
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INIT_TYPE(MeshCache);
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INIT_TYPE(LaplacianDeform);
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INIT_TYPE(Wireframe);
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INIT_TYPE(DataTransfer);
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INIT_TYPE(NormalEdit);
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INIT_TYPE(CorrectiveSmooth);
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INIT_TYPE(MeshSequenceCache);
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INIT_TYPE(SurfaceDeform);
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#undef INIT_TYPE
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}
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