From e6ab4a8ed100d5d5b7611c74cf3ccd556f1f1d71 Mon Sep 17 00:00:00 2001
From: Paul Oliver <contact@pauloliver.dev>
Date: Thu, 29 Feb 2024 19:04:34 +0100
Subject: Initial commit

---
 include/HyperNeat/Cppn.hpp | 58 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 include/HyperNeat/Cppn.hpp

(limited to 'include/HyperNeat/Cppn.hpp')

diff --git a/include/HyperNeat/Cppn.hpp b/include/HyperNeat/Cppn.hpp
new file mode 100644
index 0000000..a4511c8
--- /dev/null
+++ b/include/HyperNeat/Cppn.hpp
@@ -0,0 +1,58 @@
+#ifndef __HYPERNEAT_CPPN_HPP__
+#define __HYPERNEAT_CPPN_HPP__
+
+#include <HyperNeat/Utils/Size.hpp>
+#include <HyperNeat/Utils/ValueMap.hpp>
+#include <HyperNeat/Utils/Vector2D.hpp>
+#include <HyperNeat/Utils/NodeTypes.hpp>
+
+namespace hyperneat
+{
+    class Genome;
+    class NodeSearchPrms;
+
+    class Cppn
+    {
+    public:
+        Cppn() = default;
+
+        void create(const Genome& genome);
+        void clear();
+
+        size_t getInputsCount() const;
+        size_t getOutputsCount() const;
+        size_t getNodesCount() const;
+
+        double& inputAt(size_t i);
+        double outputAt(size_t i) const;
+
+        void cycle();
+        void findNodesIn2DSection(ValueMap& valueMap, const NodeSearchPrms& qpPrms, const Point& source = Point());
+
+    private:
+        class Node
+        {
+        public:
+            void appendInput();
+            void flushOutput();
+
+            class Link
+            {
+            public:
+                double* _input  = nullptr;
+                double  _weight = 0.0;
+            };
+
+            Vector<Link> _links;
+            NodeType     _nodeType    = NodeType::NULL_TYPE;
+            double       _storedInput = 0.0;
+            double       _output      = 0.0;
+        };
+
+        Vector<double>  _inputs;
+        Vector<double*> _outputs;
+        Vector2D<Node>  _nodeLayers;
+    };
+}
+
+#endif
-- 
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