Sebastian Parborg
39f005eae8
In the case where the library is missing, the armature object is replaced with an empty. This would crash the armature modifier. Now we check if the armature object really is an armature or not.
270 lines
8.6 KiB
C
270 lines
8.6 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 "BLI_listbase.h"
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#include "DNA_armature_types.h"
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#include "DNA_object_types.h"
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#include "DNA_mesh_types.h"
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#include "BKE_action.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 "bmesh.h"
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#include "bmesh_tools.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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ArmatureModifierData *amd = (ArmatureModifierData *)md;
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amd->deformflag = ARM_DEF_VGROUP;
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}
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static void copyData(const ModifierData *md, ModifierData *target, const int flag)
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{
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#if 0
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const ArmatureModifierData *amd = (const ArmatureModifierData *)md;
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#endif
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ArmatureModifierData *tamd = (ArmatureModifierData *)target;
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modifier_copyData_generic(md, target, flag);
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tamd->prevCos = NULL;
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}
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static void requiredDataMask(Object *UNUSED(ob),
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ModifierData *UNUSED(md),
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CustomData_MeshMasks *r_cddata_masks)
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{
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/* ask for vertexgroups */
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r_cddata_masks->vmask |= CD_MASK_MDEFORMVERT;
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}
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static bool isDisabled(const struct Scene *UNUSED(scene),
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ModifierData *md,
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bool UNUSED(useRenderParams))
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{
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ArmatureModifierData *amd = (ArmatureModifierData *)md;
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/* The object type check is only needed here in case we have a placeholder
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* object assigned (because the library containing the armature is missing).
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*
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* In other cases it should be impossible.
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*/
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return !amd->object || amd->object->type != OB_ARMATURE;
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}
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static void foreachObjectLink(ModifierData *md, Object *ob, ObjectWalkFunc walk, void *userData)
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{
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ArmatureModifierData *amd = (ArmatureModifierData *)md;
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walk(userData, ob, &amd->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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ArmatureModifierData *amd = (ArmatureModifierData *)md;
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if (amd->object != NULL) {
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/* If not using envelopes,
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* create relations to individual bones for more rigging flexibility. */
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if ((amd->deformflag & ARM_DEF_ENVELOPE) == 0 && (amd->object->pose != NULL) &&
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ELEM(ctx->object->type, OB_MESH, OB_LATTICE, OB_GPENCIL)) {
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/* If neither vertex groups nor envelopes are used, the modifier has no bone dependencies. */
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if ((amd->deformflag & ARM_DEF_VGROUP) != 0) {
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/* Enumerate groups that match existing bones. */
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LISTBASE_FOREACH (bDeformGroup *, dg, &ctx->object->defbase) {
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if (BKE_pose_channel_find_name(amd->object->pose, dg->name) != NULL) {
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/* Can't check BONE_NO_DEFORM because it can be animated. */
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DEG_add_bone_relation(
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ctx->node, amd->object, dg->name, DEG_OB_COMP_BONE, "Armature Modifier");
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}
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}
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}
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}
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/* Otherwise require the whole pose to be complete. */
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else {
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DEG_add_object_relation(ctx->node, amd->object, DEG_OB_COMP_EVAL_POSE, "Armature Modifier");
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}
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DEG_add_object_relation(ctx->node, amd->object, DEG_OB_COMP_TRANSFORM, "Armature Modifier");
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}
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DEG_add_modifier_to_transform_relation(ctx->node, "Armature Modifier");
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}
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static void deformVerts(ModifierData *md,
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const ModifierEvalContext *ctx,
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Mesh *mesh,
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float (*vertexCos)[3],
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int numVerts)
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{
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ArmatureModifierData *amd = (ArmatureModifierData *)md;
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MOD_previous_vcos_store(md, vertexCos); /* if next modifier needs original vertices */
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armature_deform_verts(amd->object,
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ctx->object,
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mesh,
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vertexCos,
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NULL,
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numVerts,
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amd->deformflag,
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(float(*)[3])amd->prevCos,
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amd->defgrp_name,
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NULL);
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/* free cache */
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if (amd->prevCos) {
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MEM_freeN(amd->prevCos);
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amd->prevCos = NULL;
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}
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}
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static void deformVertsEM(ModifierData *md,
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const ModifierEvalContext *ctx,
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struct BMEditMesh *em,
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Mesh *mesh,
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float (*vertexCos)[3],
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int numVerts)
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{
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ArmatureModifierData *amd = (ArmatureModifierData *)md;
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Mesh *mesh_src = MOD_deform_mesh_eval_get(ctx->object, em, 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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armature_deform_verts(amd->object,
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ctx->object,
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mesh_src,
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vertexCos,
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NULL,
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numVerts,
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amd->deformflag,
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(float(*)[3])amd->prevCos,
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amd->defgrp_name,
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NULL);
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/* free cache */
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if (amd->prevCos) {
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MEM_freeN(amd->prevCos);
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amd->prevCos = NULL;
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}
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if (mesh_src != 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 deformMatricesEM(ModifierData *md,
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const ModifierEvalContext *ctx,
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struct BMEditMesh *em,
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Mesh *mesh,
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float (*vertexCos)[3],
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float (*defMats)[3][3],
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int numVerts)
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{
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ArmatureModifierData *amd = (ArmatureModifierData *)md;
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Mesh *mesh_src = MOD_deform_mesh_eval_get(ctx->object, em, mesh, NULL, numVerts, false, false);
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armature_deform_verts(amd->object,
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ctx->object,
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mesh_src,
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vertexCos,
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defMats,
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numVerts,
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amd->deformflag,
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NULL,
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amd->defgrp_name,
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NULL);
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if (mesh_src != 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 deformMatrices(ModifierData *md,
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const ModifierEvalContext *ctx,
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Mesh *mesh,
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float (*vertexCos)[3],
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float (*defMats)[3][3],
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int numVerts)
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{
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ArmatureModifierData *amd = (ArmatureModifierData *)md;
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Mesh *mesh_src = MOD_deform_mesh_eval_get(ctx->object, NULL, mesh, NULL, numVerts, false, false);
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armature_deform_verts(amd->object,
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ctx->object,
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mesh_src,
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vertexCos,
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defMats,
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numVerts,
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amd->deformflag,
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NULL,
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amd->defgrp_name,
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NULL);
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if (mesh_src != 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_Armature = {
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/* name */ "Armature",
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/* structName */ "ArmatureModifierData",
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/* structSize */ sizeof(ArmatureModifierData),
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/* type */ eModifierTypeType_OnlyDeform,
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/* flags */ eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_AcceptsLattice |
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eModifierTypeFlag_SupportsEditmode,
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/* copyData */ copyData,
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/* deformVerts */ deformVerts,
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/* deformMatrices */ deformMatrices,
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/* deformVertsEM */ deformVertsEM,
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/* deformMatricesEM */ deformMatricesEM,
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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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