Jacques Lucke
38e65331a8
The following nodes work now (although things can still be improved of course): Particle Birth Event, Praticle Time Step Event, Set Particle Attribute and Execute Condition. Multiple Set Particle Attribute nodes can be chained using the "Execute" sockets. They will be executed from left to right.
93 lines
3.0 KiB
C++
93 lines
3.0 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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#ifndef __SIM_PARTICLE_FUNCTION_HH__
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#define __SIM_PARTICLE_FUNCTION_HH__
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#include "FN_attributes_ref.hh"
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#include "FN_multi_function.hh"
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#include "BLI_resource_collector.hh"
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#include "simulation_solver.hh"
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namespace blender::sim {
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class ParticleFunctionInput {
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public:
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virtual ~ParticleFunctionInput() = default;
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virtual void add_input(fn::AttributesRef attributes,
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fn::MFParamsBuilder ¶ms,
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ResourceCollector &resources) const = 0;
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};
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class ParticleFunction {
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private:
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const fn::MultiFunction *global_fn_;
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const fn::MultiFunction *per_particle_fn_;
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Array<const ParticleFunctionInput *> global_inputs_;
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Array<const ParticleFunctionInput *> per_particle_inputs_;
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Array<bool> output_is_global_;
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Vector<int> global_output_indices_;
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Vector<int> per_particle_output_indices_;
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Vector<fn::MFDataType> output_types_;
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Vector<StringRefNull> output_names_;
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friend class ParticleFunctionEvaluator;
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public:
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ParticleFunction(const fn::MultiFunction *global_fn,
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const fn::MultiFunction *per_particle_fn,
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Span<const ParticleFunctionInput *> global_inputs,
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Span<const ParticleFunctionInput *> per_particle_inputs,
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Span<bool> output_is_global);
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};
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class ParticleFunctionEvaluator {
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private:
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ResourceCollector resources_;
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const ParticleFunction &particle_fn_;
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const SimulationSolveContext &solve_context_;
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const ParticleChunkContext &particles_;
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IndexMask mask_;
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fn::MFContextBuilder global_context_;
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fn::MFContextBuilder per_particle_context_;
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Vector<void *> outputs_;
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bool is_computed_ = false;
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public:
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ParticleFunctionEvaluator(const ParticleFunction &particle_fn,
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const SimulationSolveContext &solve_context,
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const ParticleChunkContext &particles);
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~ParticleFunctionEvaluator();
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void compute();
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fn::GVSpan get(int output_index, StringRef expected_name = "") const;
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template<typename T> fn::VSpan<T> get(int output_index, StringRef expected_name = "") const
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{
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return this->get(output_index, expected_name).typed<T>();
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}
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private:
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void compute_globals();
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void compute_per_particle();
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};
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} // namespace blender::sim
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#endif /* __SIM_PARTICLE_FUNCTION_HH__ */
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