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diff --git a/source/blender/simulation/intern/particle_mesh_emitter.hh b/source/blender/simulation/intern/particle_mesh_emitter.hh
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+/*
+ * 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.
+ */
+
+#ifndef __SIM_PARTICLE_MESH_EMITTER_HH__
+#define __SIM_PARTICLE_MESH_EMITTER_HH__
+
+#include "simulation_solver_influences.hh"
+
+#include "FN_multi_function.hh"
+
+namespace blender::sim {
+
+class ParticleMeshEmitter final : public ParticleEmitter {
+ private:
+  std::string own_state_name_;
+  Array<std::string> particle_names_;
+  const fn::MultiFunction &inputs_fn_;
+
+ public:
+  ParticleMeshEmitter(std::string own_state_name,
+                      Array<std::string> particle_names,
+                      const fn::MultiFunction &inputs_fn)
+      : own_state_name_(std::move(own_state_name)),
+        particle_names_(particle_names),
+        inputs_fn_(inputs_fn)
+  {
+  }
+
+  void emit(ParticleEmitterContext &context) const override;
+};
+
+}  // namespace blender::sim
+
+#endif /* __SIM_PARTICLE_MESH_EMITTER_HH__ */