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blender-archive/source/blender/modifiers/intern/MOD_softbody.c

97 lines
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C

/*
* 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) 2005 by the Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup modifiers
*/
#include <stdio.h>
#include "BLI_utildefines.h"
#include "DNA_scene_types.h"
#include "DNA_mesh_types.h"
#include "DNA_object_force_types.h"
#include "BKE_layer.h"
#include "BKE_particle.h"
#include "BKE_softbody.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_build.h"
#include "DEG_depsgraph_physics.h"
#include "DEG_depsgraph_query.h"
#include "MOD_modifiertypes.h"
static void deformVerts(
ModifierData *UNUSED(md), const ModifierEvalContext *ctx,
Mesh *UNUSED(derivedData),
float (*vertexCos)[3],
int numVerts)
{
Scene *scene = DEG_get_evaluated_scene(ctx->depsgraph);
sbObjectStep(ctx->depsgraph, scene, ctx->object, DEG_get_ctime(ctx->depsgraph), vertexCos, numVerts);
}
static bool dependsOnTime(ModifierData *UNUSED(md))
{
return true;
}
static void updateDepsgraph(ModifierData *UNUSED(md), const ModifierUpdateDepsgraphContext *ctx)
{
if (ctx->object->soft) {
/* Actual code uses ccd_build_deflector_hash */
DEG_add_collision_relations(ctx->node, ctx->object, ctx->object->soft->collision_group, eModifierType_Collision, NULL, "Softbody Collision");
DEG_add_forcefield_relations(ctx->node, ctx->object, ctx->object->soft->effector_weights, true, 0, "Softbody Field");
}
}
ModifierTypeInfo modifierType_Softbody = {
/* name */ "Softbody",
/* structName */ "SoftbodyModifierData",
/* structSize */ sizeof(SoftbodyModifierData),
/* type */ eModifierTypeType_OnlyDeform,
/* flags */ eModifierTypeFlag_AcceptsCVs |
eModifierTypeFlag_AcceptsLattice |
eModifierTypeFlag_RequiresOriginalData |
eModifierTypeFlag_Single,
/* copyData */ NULL,
/* deformVerts */ deformVerts,
/* deformMatrices */ NULL,
/* deformVertsEM */ NULL,
/* deformMatricesEM */ NULL,
/* applyModifier */ NULL,
/* initData */ NULL,
/* requiredDataMask */ NULL,
/* freeData */ NULL,
/* isDisabled */ NULL,
/* updateDepsgraph */ updateDepsgraph,
/* dependsOnTime */ dependsOnTime,
/* dependsOnNormals */ NULL,
/* foreachObjectLink */ NULL,
/* foreachIDLink */ NULL,
/* foreachTexLink */ NULL,
/* freeRuntimeData */ NULL,
};