Restructure project sources.

src/fmri/FlatLayerVisualisation.hpp

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <memory>
+
+#include "LayerData.hpp"
+#include "LayerVisualisation.hpp"
+
+namespace fmri
+{
+    class FlatLayerVisualisation : public LayerVisualisation
+    {
+    public:
+        explicit FlatLayerVisualisation(const LayerData &layer, Ordering ordering);
+
+        void render() override;
+
+    private:
+        Ordering ordering;
+        std::size_t faceCount;
+        std::unique_ptr<float[]> vertexBuffer;
+        std::unique_ptr<float[]> colorBuffer;
+        std::unique_ptr<int[]> indexBuffer;
+
+        static constexpr const std::array<float, 12> NODE_SHAPE = {
+                -0.5f, 0, 0.5f,
+                0, 0, -0.5f,
+                0, 1, 0,
+                0.5f, 0, 0.5f
+        };
+        static constexpr const std::array<int, 12> NODE_FACES = {
+                0, 1, 2,
+                0, 1, 3,
+                0, 2, 3,
+                1, 2, 3
+        };
+
+        void setVertexPositions(int vertexNo, float *destination);
+
+        // Various functions defining the way the nodes will be aligned.
+        void initializeNodePositions();
+    };
+}