Store path points in deque

apps/openmw/mwmechanics/aipackage.cpp

@@ -148,8 +148,7 @@ bool MWMechanics::AiPackage::pathTo(const MWWorld::Ptr& actor, const osg::Vec3f&
                 if (destInLOS && mPathFinder.getPath().size() > 1)
                 {
                     // get point just before dest
-                    auto pPointBeforeDest = mPathFinder.getPath().rbegin();
-                    ++pPointBeforeDest;
+                    auto pPointBeforeDest = mPathFinder.getPath().rbegin() + 1;
 
                     // if start point is closer to the target then last point of path (excluding target itself) then go straight on the target
                     if (distance(start, dest) <= distance(dest, *pPointBeforeDest))

apps/openmw/mwmechanics/pathfinding.cpp

@@ -298,8 +298,7 @@ namespace MWMechanics
             {
                 // if 2nd waypoint of new path == 1st waypoint of old,
                 // delete 1st waypoint of new path.
-                const auto iter = ++mPath.begin();
-                if (*iter == oldStart)
+                if (mPath[1] == oldStart)
                 {
                     mPath.pop_front();
                 }

apps/openmw/mwmechanics/pathfinding.hpp

@@ -1,7 +1,7 @@
 #ifndef GAME_MWMECHANICS_PATHFINDING_H
 #define GAME_MWMECHANICS_PATHFINDING_H
 
-#include <list>
+#include <deque>
 #include <cassert>
 
 #include <components/esm/defs.hpp>
@@ -95,7 +95,7 @@ namespace MWMechanics
                 return mPath.size();
             }
 
-            const std::list<osg::Vec3f>& getPath() const
+            const std::deque<osg::Vec3f>& getPath() const
             {
                 return mPath;
             }
@@ -172,7 +172,7 @@ namespace MWMechanics
             }
 
         private:
-            std::list<osg::Vec3f> mPath;
+            std::deque<osg::Vec3f> mPath;
 
             const ESM::Pathgrid *mPathgrid;
             const MWWorld::CellStore* mCell;