Jacques Lucke
b55c78a289
For now the "Simulation" modifier only exists for point cloud objects, because we need this for the particle system. Right now, the modifier is doing nothing. There is a new `DEG_add_simulation_relation` function that is used by the modifier to make sure that the simulation is evaluated before the modifier is executed. Reviewers: brecht, sergey Differential Revision: https://developer.blender.org/D7549
110 lines
3.3 KiB
C++
110 lines
3.3 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 <iostream>
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#include <string>
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#include "MEM_guardedalloc.h"
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#include "BLI_utildefines.h"
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#include "DNA_mesh_types.h"
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#include "DNA_meshdata_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_pointcloud_types.h"
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#include "DNA_scene_types.h"
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#include "DNA_simulation_types.h"
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#include "BKE_customdata.h"
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#include "BKE_lib_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_build.h"
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#include "DEG_depsgraph_query.h"
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#include "MOD_modifiertypes.h"
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static void updateDepsgraph(ModifierData *md, const ModifierUpdateDepsgraphContext *ctx)
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{
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SimulationModifierData *smd = (SimulationModifierData *)md;
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if (smd->simulation) {
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DEG_add_simulation_relation(ctx->node, smd->simulation, "Accessed Simulation");
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}
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}
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static void foreachIDLink(ModifierData *md, Object *ob, IDWalkFunc walk, void *userData)
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{
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SimulationModifierData *smd = (SimulationModifierData *)md;
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walk(userData, ob, (ID **)&smd->simulation, IDWALK_CB_USER);
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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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SimulationModifierData *smd = (SimulationModifierData *)md;
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return smd->simulation == nullptr;
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}
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static PointCloud *modifyPointCloud(ModifierData *md,
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const ModifierEvalContext *UNUSED(ctx),
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PointCloud *pointcloud)
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{
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SimulationModifierData *smd = (SimulationModifierData *)md;
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UNUSED_VARS(smd);
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return pointcloud;
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}
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ModifierTypeInfo modifierType_Simulation = {
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/* name */ "Simulation",
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/* structName */ "SimulationModifierData",
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/* structSize */ sizeof(SimulationModifierData),
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/* type */ eModifierTypeType_None,
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/* flags */ (ModifierTypeFlag)0,
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/* copyData */ BKE_modifier_copydata_generic,
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/* deformVerts */ NULL,
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/* deformMatrices */ NULL,
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/* deformVertsEM */ NULL,
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/* deformMatricesEM */ NULL,
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/* modifyMesh */ NULL,
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/* modifyHair */ NULL,
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/* modifyPointCloud */ modifyPointCloud,
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/* modifyVolume */ NULL,
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/* initData */ NULL,
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/* requiredDataMask */ NULL,
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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 */ NULL,
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/* foreachIDLink */ foreachIDLink,
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/* foreachTexLink */ NULL,
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/* freeRuntimeData */ NULL,
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};
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