1 files changed, 109 insertions, 0 deletions
diff --git a/source/blender/modifiers/intern/MOD_simulation.cc b/source/blender/modifiers/intern/MOD_simulation.cc
new file mode 100644
index 00000000000..f52daf53186
--- /dev/null
+++ b/source/blender/modifiers/intern/MOD_simulation.cc
@@ -0,0 +1,109 @@
+/*
+ * 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 <iostream>
+#include <string>
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_utildefines.h"
+
+#include "DNA_mesh_types.h"
+#include "DNA_meshdata_types.h"
+#include "DNA_modifier_types.h"
+#include "DNA_object_types.h"
+#include "DNA_pointcloud_types.h"
+#include "DNA_scene_types.h"
+#include "DNA_simulation_types.h"
+
+#include "BKE_customdata.h"
+#include "BKE_lib_query.h"
+#include "BKE_mesh.h"
+#include "BKE_modifier.h"
+
+#include "DEG_depsgraph_build.h"
+#include "DEG_depsgraph_query.h"
+
+#include "MOD_modifiertypes.h"
+
+static void updateDepsgraph(ModifierData *md, const ModifierUpdateDepsgraphContext *ctx)
+{
+  SimulationModifierData *smd = (SimulationModifierData *)md;
+  if (smd->simulation) {
+    DEG_add_simulation_relation(ctx->node, smd->simulation, "Accessed Simulation");
+  }
+}
+
+static void foreachIDLink(ModifierData *md, Object *ob, IDWalkFunc walk, void *userData)
+{
+  SimulationModifierData *smd = (SimulationModifierData *)md;
+  walk(userData, ob, (ID **)&smd->simulation, IDWALK_CB_USER);
+}
+
+static bool isDisabled(const struct Scene *UNUSED(scene),
+                       ModifierData *md,
+                       bool UNUSED(useRenderParams))
+{
+  SimulationModifierData *smd = (SimulationModifierData *)md;
+  return smd->simulation == nullptr;
+}
+
+static PointCloud *modifyPointCloud(ModifierData *md,
+                                    const ModifierEvalContext *UNUSED(ctx),
+                                    PointCloud *pointcloud)
+{
+  SimulationModifierData *smd = (SimulationModifierData *)md;
+  UNUSED_VARS(smd);
+  return pointcloud;
+}
+
+ModifierTypeInfo modifierType_Simulation = {
+    /* name */ "Simulation",
+    /* structName */ "SimulationModifierData",
+    /* structSize */ sizeof(SimulationModifierData),
+    /* type */ eModifierTypeType_None,
+    /* flags */ (ModifierTypeFlag)0,
+
+    /* copyData */ BKE_modifier_copydata_generic,
+
+    /* deformVerts */ NULL,
+    /* deformMatrices */ NULL,
+    /* deformVertsEM */ NULL,
+    /* deformMatricesEM */ NULL,
+    /* modifyMesh */ NULL,
+    /* modifyHair */ NULL,
+    /* modifyPointCloud */ modifyPointCloud,
+    /* modifyVolume */ NULL,
+
+    /* initData */ NULL,
+    /* requiredDataMask */ NULL,
+    /* freeData */ NULL,
+    /* isDisabled */ isDisabled,
+    /* updateDepsgraph */ updateDepsgraph,
+    /* dependsOnTime */ NULL,
+    /* dependsOnNormals */ NULL,
+    /* foreachObjectLink */ NULL,
+    /* foreachIDLink */ foreachIDLink,
+    /* foreachTexLink */ NULL,
+    /* freeRuntimeData */ NULL,
+};