Sergey Sharybin
64c8d72ef1
This was wrong and violating design to force modifiers to query
evaluated objects and IDs. It is up to the caller to make sure
the object is properly evaluatable.
Effectively, reverting changes from de491abf99 (and possibly
other related changes).
148 lines
4.4 KiB
C
148 lines
4.4 KiB
C
/*
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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 by the Blender Foundation.
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* All rights reserved.
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*/
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/** \file
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* \ingroup modifiers
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*/
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#include <string.h>
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#include "BLI_utildefines.h"
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#include "DNA_object_types.h"
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#include "BKE_editmesh.h"
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#include "BKE_lattice.h"
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#include "BKE_library.h"
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#include "BKE_library_query.h"
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#include "BKE_mesh.h"
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#include "BKE_modifier.h"
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#include "DEG_depsgraph_query.h"
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#include "MEM_guardedalloc.h"
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#include "MOD_util.h"
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static void initData(ModifierData *md)
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{
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LatticeModifierData *lmd = (LatticeModifierData *) md;
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lmd->strength = 1.0f;
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}
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static void requiredDataMask(Object *UNUSED(ob), ModifierData *md, CustomData_MeshMasks *r_cddata_masks)
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{
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LatticeModifierData *lmd = (LatticeModifierData *)md;
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/* ask for vertexgroups if we need them */
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if (lmd->name[0] != '\0') {
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r_cddata_masks->vmask |= CD_MASK_MDEFORMVERT;
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}
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}
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static bool isDisabled(const struct Scene *UNUSED(scene), ModifierData *md, bool UNUSED(userRenderParams))
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{
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LatticeModifierData *lmd = (LatticeModifierData *) md;
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return !lmd->object;
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}
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static void foreachObjectLink(
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ModifierData *md, Object *ob,
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ObjectWalkFunc walk, void *userData)
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{
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LatticeModifierData *lmd = (LatticeModifierData *) md;
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walk(userData, ob, &lmd->object, IDWALK_CB_NOP);
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}
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static void updateDepsgraph(ModifierData *md, const ModifierUpdateDepsgraphContext *ctx)
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{
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LatticeModifierData *lmd = (LatticeModifierData *)md;
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if (lmd->object != NULL) {
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DEG_add_object_relation(ctx->node, lmd->object, DEG_OB_COMP_GEOMETRY, "Lattice Modifier");
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DEG_add_object_relation(ctx->node, lmd->object, DEG_OB_COMP_TRANSFORM, "Lattice Modifier");
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}
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DEG_add_modifier_to_transform_relation(ctx->node, "Lattice Modifier");
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}
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static void deformVerts(
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ModifierData *md, const ModifierEvalContext *ctx,
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struct Mesh *mesh,
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float (*vertexCos)[3],
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int numVerts)
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{
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LatticeModifierData *lmd = (LatticeModifierData *) md;
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struct Mesh *mesh_src = MOD_deform_mesh_eval_get(ctx->object, NULL, mesh, NULL, numVerts, false, false);
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MOD_previous_vcos_store(md, vertexCos); /* if next modifier needs original vertices */
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lattice_deform_verts(lmd->object, ctx->object, mesh_src,
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vertexCos, numVerts, lmd->name, lmd->strength);
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if (!ELEM(mesh_src, NULL, mesh)) {
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BKE_id_free(NULL, mesh_src);
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}
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}
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static void deformVertsEM(
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ModifierData *md, const ModifierEvalContext *ctx, struct BMEditMesh *em,
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struct Mesh *mesh, float (*vertexCos)[3], int numVerts)
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{
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struct Mesh *mesh_src = MOD_deform_mesh_eval_get(ctx->object, em, mesh, NULL, numVerts, false, false);
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deformVerts(md, ctx, mesh_src, vertexCos, numVerts);
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if (!ELEM(mesh_src, NULL, mesh)) {
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BKE_id_free(NULL, mesh_src);
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}
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}
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ModifierTypeInfo modifierType_Lattice = {
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/* name */ "Lattice",
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/* structName */ "LatticeModifierData",
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/* structSize */ sizeof(LatticeModifierData),
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/* type */ eModifierTypeType_OnlyDeform,
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/* flags */ eModifierTypeFlag_AcceptsCVs |
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eModifierTypeFlag_AcceptsLattice |
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eModifierTypeFlag_SupportsEditmode,
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/* copyData */ modifier_copyData_generic,
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/* deformVerts */ deformVerts,
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/* deformMatrices */ NULL,
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/* deformVertsEM */ deformVertsEM,
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/* deformMatricesEM */ NULL,
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/* applyModifier */ NULL,
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/* initData */ initData,
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/* requiredDataMask */ requiredDataMask,
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/* freeData */ NULL,
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/* isDisabled */ isDisabled,
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/* updateDepsgraph */ updateDepsgraph,
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/* dependsOnTime */ NULL,
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/* dependsOnNormals */ NULL,
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/* foreachObjectLink */ foreachObjectLink,
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/* foreachIDLink */ NULL,
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/* foreachTexLink */ NULL,
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/* freeRuntimeData */ NULL,
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};
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