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/*
* PathfinderCache.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
#include "PathfinderOptions.h"
VCMI_LIB_NAMESPACE_BEGIN
class CGameInfoCallback;
class CGHeroInstance;
class PathfinderConfig;
struct CPathsInfo;
class DLL_LINKAGE PathfinderCache
{
const CGameInfoCallback * cb;
std::mutex pathCacheMutex;
std::map<const CGHeroInstance *, std::shared_ptr<CPathsInfo>> pathCache;
PathfinderOptions options;
std::shared_ptr<PathfinderConfig> createConfig(const CGHeroInstance *h, CPathsInfo &out);
std::shared_ptr<CPathsInfo> buildPaths(const CGHeroInstance *h);
public:
PathfinderCache(const CGameInfoCallback * cb, const PathfinderOptions & options);
/// Invalidates and erases all existing paths from the cache
void invalidatePaths();
/// Returns compute path information for requested hero
std::shared_ptr<const CPathsInfo> getPathsInfo(const CGHeroInstance * h);
};
VCMI_LIB_NAMESPACE_END
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