Improved walking system.

douwco_hivemind/include/Tools/MeasureTool.hpp

@@ -0,0 +1,19 @@
+#ifndef DOUWCO_HIVEMIND_MEASURE_TOOL_HPP
+#define DOUWCO_HIVEMIND_MEASURE_TOOL_HPP
+
+#include <Screeps/RoomPosition.hpp>
+
+namespace DouwcoHivemind
+{
+    static bool isNearTo(const Screeps::RoomPosition &pos1, const Screeps::RoomPosition &pos2, int dist)
+    {
+        int dx = pos1.x() - pos2.x();
+        int dy = pos1.y() - pos2.y();
+        int dist2 = dist * dist;
+        return dx * dx <= dist2 &&
+            dy * dy <= dist2 &&
+            pos1.roomName() == pos2.roomName();
+    }
+} // namespace Screeps
+
+#endif // DOUWCO_HIVEMIND_MEASURE_TOOL_HPP