From 5ba7e8470f29f96ea0a12a78b3d97091fe69a581 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Mon, 17 Aug 2026 22:26:02 +0200
Subject: Fix things

---
 examples/feature_development/step.hpp | 97 +++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 examples/feature_development/step.hpp

(limited to 'examples/feature_development/step.hpp')

diff --git a/examples/feature_development/step.hpp b/examples/feature_development/step.hpp
new file mode 100644
index 0000000..37eb4e7
--- /dev/null
+++ b/examples/feature_development/step.hpp
@@ -0,0 +1,97 @@
+#pragma once
+
+#include "common.hpp"
+
+namespace kel {
+namespace lbm {
+
+template<typename T, typename Desc, typename Coll>
+saw::error_or<void> step(
+		const converter<T>& conv,
+		saw::data<sch::Ptr<sch::ChunkStruct<T,Desc>>,encode::Sycl<saw::encode::Native>>& fields,
+		saw::data<sch::Ptr<sch::MacroStruct<T,Desc>>,encode::Sycl<saw::encode::Native>>& macros,
+		saw::data<sch::Ptr<sch::ParticleSpheroidGroup<T,Desc>>,encode::Sycl<saw::encode::Native>>& particles,
+		saw::data<sch::UInt64> t_i,
+		device& dev
+){
+	auto& q = dev.get_handle();
+	auto& info_f = fields.template get<"info">();
+	auto& porous_f = macros.template get<"porosity">();
+	
+	q.submit([&](acpp::sycl::handler& h){
+		component<T,Desc,cmpt::HlbmReset,encode::Sycl<saw::encode::Native>> hlbm_reset;
+		h.parallel_for(acpp::sycl::range<Desc::D>{dim_x,dim_y}, [=](acpp::sycl::id<Desc::D> idx){
+			saw::data<sch::FixedArray<sch::UInt64,Desc::D>> index;
+			for(uint64_t i = 0u; i < Desc::D; ++i){
+				index.at({{i}}).set(idx[i]);
+			}
+
+			hlbm_reset.apply(fields,macros,index,t_i);
+		});
+	}).wait();
+
+	q.submit([&](acpp::sycl::handler& h){
+		component<T,Desc,cmpt::HlbmOneParticle,encode::Sycl<saw::encode::Native>> hlbm_one_part;
+
+		h.parallel_for(acpp::sycl::range<1u>{particle_amount}, [=](acpp::sycl::id<1u> idx){
+			saw::data<sch::FixedArray<sch::UInt64,1u>> index;
+			for(uint64_t i = 0u; i < 1u; ++i){
+				index.at({{i}}).set(idx[i]);
+			}
+
+			hlbm_one_part.apply(fields,macros,particles,index,t_i,{16u});
+		});
+	}).wait();
+
+	// auto coll_ev = 
+	q.submit([&](acpp::sycl::handler& h){
+		component<T,Desc,cmpt::Hlbm,encode::Sycl<saw::encode::Native>> collision{0.8};
+		component<T,Desc,cmpt::BounceBack,encode::Sycl<saw::encode::Native>> bb;
+
+		component<T,Desc,cmpt::ZouHeHorizontal<true>,encode::Sycl<saw::encode::Native>> flow_in{
+			[&](){
+				uint64_t target_t_i = 16u;
+				if(t_i.get() < target_t_i){
+					return 1.0 + (0.01 / target_t_i) * t_i.get();
+				}
+				return 1.01;
+			}()
+		};
+		component<T,Desc,cmpt::ZouHeHorizontal<false>,encode::Sycl<saw::encode::Native>> flow_out{1.0};
+
+		h.parallel_for(acpp::sycl::range<Desc::D>{dim_x,dim_y}, [=](acpp::sycl::id<Desc::D> idx){
+			saw::data<sch::FixedArray<sch::UInt64,Desc::D>> index;
+			for(uint64_t i = 0u; i < Desc::D; ++i){
+				index.at({{i}}).set(idx[i]);
+			}
+
+			auto info = info_f.at(index);
+			
+			switch(info.get()){
+				case 0u:
+				break;
+				case 1u:
+					bb.apply(fields,index,t_i);
+				break;
+				case 2u:
+					collision.apply(fields,macros,index,t_i);
+					break;
+				case 3u:
+					flow_in.apply(fields,index,t_i);
+					collision.apply(fields,macros,index,t_i);
+					break;
+				case 4u:
+					flow_out.apply(fields,index,t_i);
+					collision.apply(fields,macros,index,t_i);
+				break;
+				default:
+				break;
+			}
+		});
+	}).wait();
+
+	return saw::make_void();
+}
+
+}
+}
-- 
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