initial commit

src/Pieces/Generator.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include "Polyomino.h"
+
+#include <Vector>
+#include <Set>
+#include <Map>
+
+
+/**
+ * A generator of one-sided polyominos of any size
+ */
+class Generator {
+    private:
+        std::vector<Polyomino> validPolyominos; // the list of already generated polyominos
+        std::set<Cell> currentTestedShape; // the polyomino being created
+
+    public:
+        /**
+         * Initializes generator
+         */
+        Generator();
+        
+        /**
+         * Returns the list of all one-sided polyominos of the specified size
+         */
+        std::vector<Polyomino> generatePolyominos(unsigned int order);
+
+    private:
+        /**
+         * Generates all one-sided polyominos of the specified using the current tested shape
+         */
+        void generate(unsigned int order, int lastAddedCellNumber, int nextAvaibleNumber, std::map<Cell, int> candidateCells);
+
+        /**
+         * Check wheter a candidate cell can be added to the current tested shape
+         */
+        void tryToAddCandidateCell(const Cell& candidate, int& nextAvaibleNumber, std::map<Cell, int>& candidateCells);
+};