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update recast
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34 changed files with 1138 additions and 407 deletions
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@ -23,11 +23,34 @@
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// Feel free to change the file and include your own implementation instead.
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#ifdef NDEBUG
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// From http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert/
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# define dtAssert(x) do { (void)sizeof(x); } while((void)(__LINE__==-1),false)
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#else
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/// An assertion failure function.
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// @param[in] expression asserted expression.
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// @param[in] file Filename of the failed assertion.
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// @param[in] line Line number of the failed assertion.
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/// @see dtAssertFailSetCustom
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typedef void (dtAssertFailFunc)(const char* expression, const char* file, int line);
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/// Sets the base custom assertion failure function to be used by Detour.
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/// @param[in] assertFailFunc The function to be invoked in case of failure of #dtAssert
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void dtAssertFailSetCustom(dtAssertFailFunc *assertFailFunc);
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/// Gets the base custom assertion failure function to be used by Detour.
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dtAssertFailFunc* dtAssertFailGetCustom();
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# include <assert.h>
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# define dtAssert assert
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# define dtAssert(expression) \
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{ \
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dtAssertFailFunc* failFunc = dtAssertFailGetCustom(); \
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if(failFunc == NULL) { assert(expression); } \
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else if(!(expression)) { (*failFunc)(#expression, __FILE__, __LINE__); } \
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}
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#endif
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#endif // DETOURASSERT_H
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@ -20,6 +20,7 @@
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#define DETOURCOMMON_H
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#include "DetourMath.h"
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#include <stddef.h>
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/**
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@defgroup detour Detour
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@ -482,6 +483,23 @@ inline void dtSwapEndian(float* v)
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void dtRandomPointInConvexPoly(const float* pts, const int npts, float* areas,
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const float s, const float t, float* out);
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template<typename TypeToRetrieveAs>
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TypeToRetrieveAs* dtGetThenAdvanceBufferPointer(const unsigned char*& buffer, const size_t distanceToAdvance)
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{
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TypeToRetrieveAs* returnPointer = reinterpret_cast<TypeToRetrieveAs*>(buffer);
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buffer += distanceToAdvance;
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return returnPointer;
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}
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template<typename TypeToRetrieveAs>
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TypeToRetrieveAs* dtGetThenAdvanceBufferPointer(unsigned char*& buffer, const size_t distanceToAdvance)
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{
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TypeToRetrieveAs* returnPointer = reinterpret_cast<TypeToRetrieveAs*>(buffer);
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buffer += distanceToAdvance;
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return returnPointer;
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}
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/// @}
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#endif // DETOURCOMMON_H
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@ -635,7 +635,7 @@ private:
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dtPolyRef* polys, const int maxPolys) const;
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/// Find nearest polygon within a tile.
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dtPolyRef findNearestPolyInTile(const dtMeshTile* tile, const float* center,
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const float* extents, float* nearestPt) const;
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const float* halfExtents, float* nearestPt) const;
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/// Returns closest point on polygon.
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void closestPointOnPoly(dtPolyRef ref, const float* pos, float* closest, bool* posOverPoly) const;
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@ -145,4 +145,5 @@ function.
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@see dtCreateNavMeshData
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*/
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*/
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@ -148,7 +148,18 @@ struct dtRaycastHit
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float pathCost;
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};
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/// Provides custom polygon query behavior.
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/// Used by dtNavMeshQuery::queryPolygons.
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/// @ingroup detour
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class dtPolyQuery
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{
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public:
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virtual ~dtPolyQuery() { }
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/// Called for each batch of unique polygons touched by the search area in dtNavMeshQuery::queryPolygons.
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/// This can be called multiple times for a single query.
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virtual void process(const dtMeshTile* tile, dtPoly** polys, dtPolyRef* refs, int count) = 0;
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};
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/// Provides the ability to perform pathfinding related queries against
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/// a navigation mesh.
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@ -182,7 +193,7 @@ public:
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const float* startPos, const float* endPos,
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const dtQueryFilter* filter,
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dtPolyRef* path, int* pathCount, const int maxPath) const;
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/// Finds the straight path from the start to the end position within the polygon corridor.
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/// @param[in] startPos Path start position. [(x, y, z)]
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/// @param[in] endPos Path end position. [(x, y, z)]
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@ -285,33 +296,55 @@ public:
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dtPolyRef* resultRef, dtPolyRef* resultParent, float* resultCost,
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int* resultCount, const int maxResult) const;
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/// Gets a path from the explored nodes in the previous search.
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/// @param[in] endRef The reference id of the end polygon.
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/// @param[out] path An ordered list of polygon references representing the path. (Start to end.)
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/// [(polyRef) * @p pathCount]
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/// @param[out] pathCount The number of polygons returned in the @p path array.
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/// @param[in] maxPath The maximum number of polygons the @p path array can hold. [Limit: >= 0]
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/// @returns The status flags. Returns DT_FAILURE | DT_INVALID_PARAM if any parameter is wrong, or if
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/// @p endRef was not explored in the previous search. Returns DT_SUCCESS | DT_BUFFER_TOO_SMALL
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/// if @p path cannot contain the entire path. In this case it is filled to capacity with a partial path.
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/// Otherwise returns DT_SUCCESS.
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/// @remarks The result of this function depends on the state of the query object. For that reason it should only
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/// be used immediately after one of the two Dijkstra searches, findPolysAroundCircle or findPolysAroundShape.
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dtStatus getPathFromDijkstraSearch(dtPolyRef endRef, dtPolyRef* path, int* pathCount, int maxPath) const;
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/// @}
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/// @name Local Query Functions
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///@{
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/// Finds the polygon nearest to the specified center point.
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/// @param[in] center The center of the search box. [(x, y, z)]
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/// @param[in] extents The search distance along each axis. [(x, y, z)]
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/// @param[in] halfExtents The search distance along each axis. [(x, y, z)]
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/// @param[in] filter The polygon filter to apply to the query.
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/// @param[out] nearestRef The reference id of the nearest polygon.
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/// @param[out] nearestPt The nearest point on the polygon. [opt] [(x, y, z)]
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/// @returns The status flags for the query.
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dtStatus findNearestPoly(const float* center, const float* extents,
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dtStatus findNearestPoly(const float* center, const float* halfExtents,
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const dtQueryFilter* filter,
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dtPolyRef* nearestRef, float* nearestPt) const;
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/// Finds polygons that overlap the search box.
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/// @param[in] center The center of the search box. [(x, y, z)]
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/// @param[in] extents The search distance along each axis. [(x, y, z)]
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/// @param[in] halfExtents The search distance along each axis. [(x, y, z)]
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/// @param[in] filter The polygon filter to apply to the query.
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/// @param[out] polys The reference ids of the polygons that overlap the query box.
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/// @param[out] polyCount The number of polygons in the search result.
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/// @param[in] maxPolys The maximum number of polygons the search result can hold.
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/// @returns The status flags for the query.
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dtStatus queryPolygons(const float* center, const float* extents,
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dtStatus queryPolygons(const float* center, const float* halfExtents,
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const dtQueryFilter* filter,
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dtPolyRef* polys, int* polyCount, const int maxPolys) const;
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/// Finds polygons that overlap the search box.
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/// @param[in] center The center of the search box. [(x, y, z)]
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/// @param[in] halfExtents The search distance along each axis. [(x, y, z)]
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/// @param[in] filter The polygon filter to apply to the query.
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/// @param[in] query The query. Polygons found will be batched together and passed to this query.
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dtStatus queryPolygons(const float* center, const float* halfExtents,
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const dtQueryFilter* filter, dtPolyQuery* query) const;
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/// Finds the non-overlapping navigation polygons in the local neighbourhood around the center position.
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/// @param[in] startRef The reference id of the polygon where the search starts.
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/// @param[in] centerPos The center of the query circle. [(x, y, z)]
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@ -479,12 +512,9 @@ private:
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dtNavMeshQuery(const dtNavMeshQuery&);
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dtNavMeshQuery& operator=(const dtNavMeshQuery&);
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/// Returns neighbour tile based on side.
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dtMeshTile* getNeighbourTileAt(int x, int y, int side) const;
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/// Queries polygons within a tile.
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int queryPolygonsInTile(const dtMeshTile* tile, const float* qmin, const float* qmax, const dtQueryFilter* filter,
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dtPolyRef* polys, const int maxPolys) const;
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void queryPolygonsInTile(const dtMeshTile* tile, const float* qmin, const float* qmax,
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const dtQueryFilter* filter, dtPolyQuery* query) const;
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/// Returns portal points between two polygons.
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dtStatus getPortalPoints(dtPolyRef from, dtPolyRef to, float* left, float* right,
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@ -508,6 +538,9 @@ private:
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dtStatus appendPortals(const int startIdx, const int endIdx, const float* endPos, const dtPolyRef* path,
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float* straightPath, unsigned char* straightPathFlags, dtPolyRef* straightPathRefs,
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int* straightPathCount, const int maxStraightPath, const int options) const;
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// Gets the path leading to the specified end node.
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dtStatus getPathToNode(struct dtNode* endNode, dtPolyRef* path, int* pathCount, int maxPath) const;
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const dtNavMesh* m_nav; ///< Pointer to navmesh data.
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