Fixes and improvements in find path

src/client/localplayer.cpp

@@ -178,6 +178,12 @@ void LocalPlayer::cancelWalk(Otc::Direction direction)
 
 bool LocalPlayer::autoWalk(const Position& destination)
 {
+    bool tryKnownPath = false;
+    if(destination != m_autoWalkDestination) {
+        m_knownCompletePath = false;
+        tryKnownPath = true;
+    }
+
     std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> result;
     std::vector<Otc::Direction> limitedPath;
 
@@ -185,15 +191,20 @@ bool LocalPlayer::autoWalk(const Position& destination)
         return true;
 
     // try to find a path that we know
-    result = g_map.findPath(m_position, destination, 1000, 0);
-    if(std::get<1>(result) == Otc::PathFindResultOk) {
-        limitedPath = std::get<0>(result);
-        // limit to 127 steps
-        if(limitedPath.size() > 127)
-            limitedPath.resize(127);
-    } else {
-        // no known path found, try to discover one
-        result = g_map.findPath(m_position, destination, 1000, Otc::PathFindAllowNotSeenTiles);
+    if(tryKnownPath || m_knownCompletePath) {
+        result = g_map.findPath(m_position, destination, 50000, 0);
+        if(std::get<1>(result) == Otc::PathFindResultOk) {
+            limitedPath = std::get<0>(result);
+            // limit to 127 steps
+            if(limitedPath.size() > 127)
+                limitedPath.resize(127);
+            m_knownCompletePath = true;
+        }
+    }
+
+    // no known path found, try to discover one
+    if(limitedPath.empty()) {
+        result = g_map.findPath(m_position, destination, 50000, Otc::PathFindAllowNotSeenTiles);
         if(std::get<1>(result) != Otc::PathFindResultOk) {
             callLuaField("onAutoWalkFail", std::get<1>(result));
             return false;
@@ -228,6 +239,7 @@ void LocalPlayer::stopAutoWalk()
 {
     m_autoWalkDestination = Position();
     m_lastAutoWalkPosition = Position();
+    m_knownCompletePath = false;
 
     if(m_autoWalkContinueEvent)
         m_autoWalkContinueEvent->cancel();

src/client/localplayer.h

@@ -130,6 +130,7 @@ private:
     stdext::boolean<true> m_lastPrewalkDone;
     stdext::boolean<false> m_autoWalking;
     stdext::boolean<false> m_waitingWalkPong;
+    stdext::boolean<false> m_knownCompletePath;
 
     stdext::boolean<false> m_premium;
     stdext::boolean<false> m_known;

src/client/map.cpp

@@ -522,7 +522,7 @@ int Map::getLastAwareFloor()
         return Otc::SEA_FLOOR;
 }
 
-std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> Map::findPath(const Position& startPos, const Position& goalPos, int maxSteps, int flags)
+std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> Map::findPath(const Position& startPos, const Position& goalPos, int maxComplexity, int flags)
 {
     // pathfinding using A* search algorithm
     // as described in http://en.wikipedia.org/wiki/A*_search_algorithm
@@ -545,8 +545,6 @@ std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> Map::findPath(const
         }
     };
 
-    const uint MAX_COMPLEXITY = 100000;
-
     std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> ret;
     std::vector<Otc::Direction>& dirs = std::get<0>(ret);
     Otc::PathFindResult& result = std::get<1>(ret);
@@ -563,11 +561,6 @@ std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> Map::findPath(const
         return ret;
     }
 
-    if(startPos.distance(goalPos) > maxSteps) {
-        result = Otc::PathFindResultTooFar;
-        return ret;
-    }
-
     std::unordered_map<Position, Node*, PositionHasher> nodes;
     std::priority_queue<Node*, std::vector<Node*>, LessNode> searchList;
 
@@ -576,13 +569,7 @@ std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> Map::findPath(const
     nodes[startPos] = currentNode;
     Node *foundNode = nullptr;
     while(currentNode) {
-        // too far
-        if(currentNode->steps >= maxSteps) {
-            result = Otc::PathFindResultTooFar;
-            break;
-        }
-
-        if(nodes.size() > MAX_COMPLEXITY) {
+        if((int)nodes.size() > maxComplexity) {
             result = Otc::PathFindResultTooFar;
             break;
         }

src/client/map.h

@@ -209,7 +209,7 @@ public:
     std::vector<AnimatedTextPtr> getAnimatedTexts() { return m_animatedTexts; }
     std::vector<StaticTextPtr> getStaticTexts() { return m_staticTexts; }
 
-    std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> findPath(const Position& start, const Position& goal, int maxSteps, int flags = 0);
+    std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> findPath(const Position& start, const Position& goal, int maxComplexity, int flags = 0);
 
 private:
     void removeUnawareThings();

src/client/minimap.h

@@ -42,7 +42,7 @@ enum MinimapTileFlags {
 #pragma pack(push,1) // disable memory alignment
 struct MinimapTile
 {
-    MinimapTile() : flags(0), color(0), speed(100) { }
+    MinimapTile() : flags(0), color(0), speed(10) { }
     uint8 flags;
     uint8 color;
     uint8 speed;