From 8b829e1099e1a5a47ed8687ed041d0b71eb3f40c Mon Sep 17 00:00:00 2001
From: Andrii Danylchenko <danilchenko.andrij@gmail.com>
Date: Sat, 5 Jan 2019 15:28:22 +0200
Subject: [PATCH] AI: fix crash in pathfinding

---
 AI/VCAI/Pathfinding/AIPathfinder.cpp       | 7 +++++++
 AI/VCAI/Pathfinding/AIPathfinder.h         | 1 +
 AI/VCAI/Pathfinding/PathfindingManager.cpp | 1 +
 3 files changed, 9 insertions(+)

diff --git a/AI/VCAI/Pathfinding/AIPathfinder.cpp b/AI/VCAI/Pathfinding/AIPathfinder.cpp
index 1e3e37eb2..c25a516cb 100644
--- a/AI/VCAI/Pathfinding/AIPathfinder.cpp
+++ b/AI/VCAI/Pathfinding/AIPathfinder.cpp
@@ -28,6 +28,13 @@ void AIPathfinder::clear()
 	storageMap.clear();
 }
 
+void AIPathfinder::init()
+{
+	boost::unique_lock<boost::mutex> storageLock(storageMutex);
+	storagePool.clear();
+	storageMap.clear();
+}
+
 std::vector<AIPath> AIPathfinder::getPathInfo(HeroPtr hero, int3 tile)
 {
 	boost::unique_lock<boost::mutex> storageLock(storageMutex);
diff --git a/AI/VCAI/Pathfinding/AIPathfinder.h b/AI/VCAI/Pathfinding/AIPathfinder.h
index e33e3c1db..1240b63ab 100644
--- a/AI/VCAI/Pathfinding/AIPathfinder.h
+++ b/AI/VCAI/Pathfinding/AIPathfinder.h
@@ -27,4 +27,5 @@ public:
 	AIPathfinder(CPlayerSpecificInfoCallback * cb, VCAI * ai);
 	std::vector<AIPath> getPathInfo(HeroPtr hero, int3 tile);
 	void clear();
+	void init();
 };
diff --git a/AI/VCAI/Pathfinding/PathfindingManager.cpp b/AI/VCAI/Pathfinding/PathfindingManager.cpp
index 7fa158090..e9a9c1ee3 100644
--- a/AI/VCAI/Pathfinding/PathfindingManager.cpp
+++ b/AI/VCAI/Pathfinding/PathfindingManager.cpp
@@ -24,6 +24,7 @@ void PathfindingManager::init(CPlayerSpecificInfoCallback * CB)
 {
 	cb = CB;
 	pathfinder.reset(new AIPathfinder(cb, ai));
+	pathfinder->init();
 }
 
 void PathfindingManager::setAI(VCAI * AI)