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[11909] Implement Pathfinder class to handle the actual pathfinding

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Authors of this are Faramir118 and qsa.
Also thanks to many others for testing and suggestions!
This commit is contained in:
sixsixnine 2012-01-29 23:22:44 +01:00 • committed by Schmoozerd
parent 1c64b0658e
commit d3606fb4ee
10 changed files with 1322 additions and 1 deletions
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80
src/game/MoveMap.h
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@ -25,4 +25,84 @@
#include "../../dep/recastnavigation/Detour/Include/DetourNavMesh.h"
#include "../../dep/recastnavigation/Detour/Include/DetourNavMeshQuery.h"
// memory management
inline void* dtCustomAlloc(int size, dtAllocHint /*hint*/)
{
return (void*)new unsigned char[size];
}
inline void dtCustomFree(void* ptr)
{
delete [] (unsigned char*)ptr;
}
// move map related classes
namespace MMAP
{
typedef UNORDERED_MAP<uint32, dtTileRef> MMapTileSet;
typedef UNORDERED_MAP<uint32, dtNavMeshQuery*> NavMeshQuerySet;
// dummy struct to hold map's mmap data
struct MMapData
{
MMapData(dtNavMesh* mesh) : navMesh(mesh) {}
~MMapData()
{
for (NavMeshQuerySet::iterator i = navMeshQueries.begin(); i != navMeshQueries.end(); ++i)
dtFreeNavMeshQuery(i->second);
if (navMesh)
dtFreeNavMesh(navMesh);
}
dtNavMesh* navMesh;
// we have to use single dtNavMeshQuery for every instance, since those are not thread safe
NavMeshQuerySet navMeshQueries; // instanceId to query
MMapTileSet mmapLoadedTiles; // maps [map grid coords] to [dtTile]
};
typedef UNORDERED_MAP<uint32, MMapData*> MMapDataSet;
// singelton class
// holds all all access to mmap loading unloading and meshes
class MMapManager
{
public:
MMapManager() : loadedTiles(0) {}
~MMapManager();
bool loadMap(uint32 mapId, int32 x, int32 y);
bool unloadMap(uint32 mapId, int32 x, int32 y);
bool unloadMap(uint32 mapId);
bool unloadMapInstance(uint32 mapId, uint32 instanceId);
// the returned [dtNavMeshQuery const*] is NOT threadsafe
dtNavMeshQuery const* GetNavMeshQuery(uint32 mapId, uint32 instanceId);
dtNavMesh const* GetNavMesh(uint32 mapId);
uint32 getLoadedTilesCount() const { return loadedTiles; }
uint32 getLoadedMapsCount() const { return loadedMMaps.size(); }
private:
bool loadMapData(uint32 mapId);
uint32 packTileID(int32 x, int32 y);
MMapDataSet loadedMMaps;
uint32 loadedTiles;
};
// static class
// holds all mmap global data
// access point to MMapManager singelton
class MMapFactory
{
public:
static MMapManager* createOrGetMMapManager();
static void clear();
static void preventPathfindingOnMaps(const char* ignoreMapIds);
static bool IsPathfindingEnabled(uint32 mapId);
};
}
#endif // _MOVE_MAP_H