Recast: add missing straight path types

Should've been part of commit 47aee3125d9371a82a090638f3f5a962fe9971ac

src/thirdparty/recast/Detour/Include/DetourNavMesh.h

@@ -136,6 +136,9 @@ static const unsigned int DT_OFFMESH_CON_BIDIR = 1;
 /// A value that determines the offset between the start pos and the ref pos in an off-mesh connection.
 static const float DT_OFFMESH_CON_REFPOS_OFFSET = 35.f;
 
+/// A value that determines the maximum number of points describing the straight path result.
+static const int DT_STRAIGHT_PATH_RESOLUTION = 5;
+
 /// The maximum number of user defined area ids.
 /// @ingroup detour
 static const int DT_MAX_AREAS = 32; // <-- confirmed 32 see [r5apex_ds.exe + 0xf47dda] '-> test    [rcx+80h], ax'.

src/thirdparty/recast/Detour/Include/DetourNavMeshQuery.h

@@ -143,10 +143,34 @@ struct dtRaycastHit
 	/// The maximum number of polygons the @p path array can hold.
 	int maxPath;
 
-	///  The cost of the path until hit.
+	/// The cost of the path until hit.
 	float pathCost;
 };
 
+/// Provides information about straight path generation
+/// filled by dtNavMeshQuery::findStraightPath
+/// @ingroup detour
+struct dtStraightPathResult
+{
+	/// The number of points in the straight path.
+	int pathCount;
+
+	/// The points describing the straight path.
+	float path[3][DT_STRAIGHT_PATH_RESOLUTION];
+
+	/// The array of polygon references that represent the path corridor.
+	dtPolyRef polys[DT_STRAIGHT_PATH_RESOLUTION];
+
+	/// The jumps describing each point.
+	unsigned char jumps[DT_STRAIGHT_PATH_RESOLUTION];
+
+	/// The flags describing each point.
+	unsigned char flags[DT_STRAIGHT_PATH_RESOLUTION];
+
+	/// Whether the end of the path is the goal destination.
+	bool pathEndIsGoal;
+};
+
 /// Provides custom polygon query behavior.
 /// Used by dtNavMeshQuery::queryPolygons.
 /// @ingroup detour