Add forgotten pathfinder file

cpp/src/pathfinder.cpp

@@ -0,0 +1,32 @@
+#include <memory>
+#include <cassert>
+
+#include "pathfinder.hpp"
+#include "log.hpp"
+
+namespace pathfinder {
+
+void PathFinderBase::SetMap(std::shared_ptr<Map> map)
+{
+  m_Map = map;
+}
+
+Path LinearPathFinder::CalculatePath(WorldPos target)
+{
+  auto path = Path{target};
+  return path;
+}
+
+std::unique_ptr<PathFinderBase> create(PathFinderType type) {
+  switch (type) {
+    case PathFinderType::LINEAR:
+      return std::move(std::make_unique<LinearPathFinder>());
+    case PathFinderType::BFS:
+    case PathFinderType::COUNT:
+      LOG_WARNING("Incorrect pathfinder type");
+      return nullptr;
+  };
+  return nullptr;
+}
+
+} // pathfinder namespace