Added random position generator

Author: TomaszEichler

shm/map.cpp

@@ -1,5 +1,26 @@
 #include "map.hpp"
 
+#include <algorithm>
+#include <random>
+
 Map::Map() {
-    //TODO
+    std::vector<unsigned int> posX(maxX);
+    std::vector<unsigned int> posY(maxY);
+
+    std::iota(posX.begin(), posX.end(), posX.begin());
+    std::iota(posY.begin(), posY.end(), posY.begin());
+
+    std::mt19937 gen(std::random_device{}());
+    std::shuffle(posX.begin(), posX.end(), gen);
+    std::shuffle(posY.begin(), posY.end(), gen);
+
+    vecOfIslandOnMap_.reserve(initialAmountOfIsland);
+
+    std::transform(posX.begin(),
+                   posX.end(),
+                   posY.begin(),
+                   std::back_inserter(vecOfIslandOnMap_),
+                   [](int x, int y) {
+                       return std::make_pair(x, y);
+                   });
 }

shm/map.hpp

@@ -4,6 +4,10 @@
 
 #include "island.hpp"
 
+constexpr int initialAmountOfIsland = 10;
+constexpr int maxX = 10;
+constexpr int maxY = 10;
+
 class Map {
 private:
     std::vector<Island> vecOfIslandOnMap_;