From 952940c3487856447bb80c819b61483b8028d027 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Tue, 20 Jan 2026 14:50:23 +0100
Subject: Chunk setup test

---
 lib/core/c++/chunk.hpp | 42 ++++++++++++++++++++++++++++++++++++++----
 1 file changed, 38 insertions(+), 4 deletions(-)

(limited to 'lib/core/c++')

diff --git a/lib/core/c++/chunk.hpp b/lib/core/c++/chunk.hpp
index 1950661..607bec0 100644
--- a/lib/core/c++/chunk.hpp
+++ b/lib/core/c++/chunk.hpp
@@ -34,12 +34,46 @@ using SuperChunk = Array<ChunkSchema,Dim>;
 }
 
 namespace saw {
-template<typename Sch, uint64_t Dim, uint64_t Side, uint64_t Ghost, typename Encode>
-class data<kel::lbm::sch::Chunk<Sch,Dim,Side,Ghost>,Encode> final {
+template<typename Sch, uint64_t Ghost, uint64_t... Sides, typename Encode>
+class data<kel::lbm::sch::Chunk<Sch,Ghost,Sides...>,Encode> final {
 public:
-	using Schema = kel::lbm::sch::Chunk<Sch,Dim,Side,Ghost>;
+	using Schema = kel::lbm::sch::Chunk<Sch,Ghost,Sides...>;
 private:
-	data<typename Schema::InnerSchema, Encode> values_;
+	using InnerSchema = typename Schema::InnerSchema;
+	using ValueSchema = typename InnerSchema::ValueType;
+
+	data<InnerSchema, Encode> values_;
 public:
+	data<ValueSchema, Encode>& ghost_at(const data<schema::FixedArray<schema::UInt64,sizeof...(Sides)>>& index){
+		return values_.at(index);
+	}
+	
+	const data<ValueSchema, Encode>& ghost_at(const data<schema::FixedArray<schema::UInt64,sizeof...(Sides)>>& index) const {
+		return values_.at(index);
+	}
+
+	static constexpr auto get_ghost_dims() {
+		return data<InnerSchema,Encode>::get_dims();
+	}
+	
+	data<ValueSchema, Encode>& at(const data<schema::FixedArray<schema::UInt64,sizeof...(Sides)>>& index){
+		std::decay_t<decltype(index)> ind;
+		for(uint64_t i = 0u; i < sizeof...(Sides); ++i){
+			ind.at({i}) = index.at({i}) + Ghost;
+		}
+		return values_.at(ind);
+	}
+	
+	const data<ValueSchema, Encode>& at(const data<schema::FixedArray<schema::UInt64,sizeof...(Sides)>>& index) const {
+		std::decay_t<decltype(index)> ind;
+		for(uint64_t i = 0u; i < sizeof...(Sides); ++i){
+			ind.at({i}) = index.at({i}) + Ghost;
+		}
+		return values_.at(ind);
+	}
+
+	static constexpr auto get_dims(){
+		return data<schema::FixedArray<schema::UInt64, sizeof...(Sides)>,Encode>{{Sides...}};
+	}
 };
 }
-- 
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