From 1693f8ccb3fbdbc8a1bd35a5ffde684ca4c68a3f Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Sat, 18 Jul 2026 21:45:14 +0200
Subject: Dangling

---
 modules/core/c++/psm.hpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'modules/core/c++/psm.hpp')

diff --git a/modules/core/c++/psm.hpp b/modules/core/c++/psm.hpp
index 30a00da..02db1e1 100644
--- a/modules/core/c++/psm.hpp
+++ b/modules/core/c++/psm.hpp
@@ -8,6 +8,7 @@ namespace kel {
 namespace lbm {
 namespace cmpt {
 struct PSM {};
+struct PsmOneParticle {};
 }
 
 /**
@@ -79,5 +80,29 @@ public:
 	}
 };
 
+/**
+ * PSM collision operator for LBM
+ */
+template<typename T, typename Descriptor, typename Encode>
+class component<T, Descriptor, cmpt::PsmOneParticle, Encode> final {
+private:
+public:
+	component() = default;
+
+	template<typename CellFieldSchema, typename MacroFieldSchema, typename ParticleSchema>
+	void apply(const saw::data<CellFieldSchema, Encode>& field, const saw::data<MacroFieldSchema,Encode>& macros, const saw::data<ParticleSchema,Encode>& particles, saw::data<sch::FixedArray<sch::UInt64,1u>> index, saw::data<sch::UInt64> time_step) const {
+	
+		using dfi = df_info<T,Descriptor>;
+		bool is_even = ((time_step.get() % 2) == 0);
+
+		auto& dfs_old_f = (is_even) ? field.template get<"dfs_old">() : field.template get<"dfs">();
+		auto& porous_f = macros.template get<"porosity">();
+
+		auto& rho_f = macros.template get<"density">();
+		auto& vel_f = macros.template get<"velocity">();
+		
+	}
+};
+
 }
 }
-- 
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