12 #ifndef Navigation_BestFirstSearchEdgeCollisionCollector_H
13 #define Navigation_BestFirstSearchEdgeCollisionCollector_H
30 template<
class TraverseLogic,
class EdgeIntersector>
31 class BreadthFirstSearchEdgeCollisionCollector
36 BreadthFirstSearchEdgeCollisionCollector(
void* traverseLogicUserData, EdgeIntersector& edgeIntersector, WorkingMemArray<NavHalfEdgeRawPtr>* nearbyEdges);
38 bool IsSearchFinished();
39 bool ShouldVisitNeighborTriangle(const NavTriangleRawPtr& triangleRawPtr,
KyUInt32 indexOfNeighborTriangle);
40 bool ShouldVisitTriangle(const NavTriangleRawPtr& triangleRawPtr);
42 NavTriangleRawPtr GetNeighborTriangle(const NavTriangleRawPtr& triangleRawPtr,
KyUInt32 indexOfNeighborTriangle);
44 void Visit(const NavTriangleRawPtr& triangleRawPtr, const TriangleStatusInGrid& triangleStatus);
47 EdgeIntersector* m_edgeIntersector;
48 void* m_traverseLogicUserData;
49 bool m_collisionFound;
51 WorkingMemArray<NavHalfEdgeRawPtr>* m_intersectedHalfEdgeRawPtrArray;
54 bool m_shouldVisitNeighborTriangle[3];
55 NavTriangleRawPtr m_neighborTriangle[3];
58 template<class TraverseLogic, class EdgeIntersector>
59 KY_INLINE BreadthFirstSearchEdgeCollisionCollector<TraverseLogic, EdgeIntersector>::BreadthFirstSearchEdgeCollisionCollector(
void* traverseLogicUserData, EdgeIntersector& edgeIntersector, WorkingMemArray<NavHalfEdgeRawPtr>* nearbyEdges)
60 : m_edgeIntersector(&edgeIntersector)
61 , m_traverseLogicUserData(traverseLogicUserData)
62 , m_collisionFound(false)
63 , m_intersectedHalfEdgeRawPtrArray(nearbyEdges)
65 m_shouldVisitNeighborTriangle[0] =
true;
66 m_shouldVisitNeighborTriangle[1] =
true;
67 m_shouldVisitNeighborTriangle[2] =
true;
70 template<
class TraverseLogic,
class EdgeIntersector>
71 KY_INLINE
bool BreadthFirstSearchEdgeCollisionCollector<TraverseLogic, EdgeIntersector>::IsSearchFinished()
76 template<
class TraverseLogic,
class EdgeIntersector>
77 KY_INLINE
bool BreadthFirstSearchEdgeCollisionCollector<TraverseLogic, EdgeIntersector>::ShouldVisitNeighborTriangle(
const NavTriangleRawPtr& ,
KyUInt32 indexOfNeighborTriangle)
79 return m_shouldVisitNeighborTriangle[indexOfNeighborTriangle];
82 template<
class TraverseLogic,
class EdgeIntersector>
83 KY_INLINE
bool BreadthFirstSearchEdgeCollisionCollector<TraverseLogic, EdgeIntersector>::ShouldVisitTriangle(
const NavTriangleRawPtr& )
88 template<
class TraverseLogic,
class EdgeIntersector>
89 KY_INLINE NavTriangleRawPtr BreadthFirstSearchEdgeCollisionCollector<TraverseLogic, EdgeIntersector>::GetNeighborTriangle(
const NavTriangleRawPtr& ,
KyUInt32 indexOfNeighborTriangle)
91 return m_neighborTriangle[indexOfNeighborTriangle];
94 template<
class TraverseLogic,
class EdgeIntersector>
95 void BreadthFirstSearchEdgeCollisionCollector<TraverseLogic, EdgeIntersector>::Visit(
const NavTriangleRawPtr& triangleRawPtr,
96 const TriangleStatusInGrid& triangleStatus)
100 NavHalfEdgeRawPtr halfEdgeRawPtr[3];
101 NavHalfEdge halfEdge[3];
102 bool isACrossableEdges[3];
103 bool neighborTriangleAlreadyVisited[3];
104 bool doesIntersectsEdges[3];
107 NavFloor* navFloor = triangleRawPtr.GetNavFloor();
110 halfEdgeRawPtr[i].Set(navFloor, firstNavHalfEdgeIdx + i);
112 triangleRawPtr.GetVerticesCoordPos64(v0, v1, v2);
114 const NavFloorBlob& navFloorBlob = *navFloor->GetNavFloorBlob();
115 const NavHalfEdge* m_navHalfEdges = navFloorBlob.m_navHalfEdges.GetValues();
118 halfEdge[i] = m_navHalfEdges[firstNavHalfEdgeIdx + i];
122 NavHalfEdgeRawPtr pairHalfEdgeRawPtr;
123 isACrossableEdges[i] = halfEdgeRawPtr[i].IsHalfEdgeCrossable<TraverseLogic>(m_traverseLogicUserData, halfEdge[i], &navFloorBlob, pairHalfEdgeRawPtr);
125 if (isACrossableEdges[i])
131 neighborTriangleAlreadyVisited[i] = triangleStatus.IsTriangleOpen_Unsafe(m_neighborTriangle[i]);
133 neighborTriangleAlreadyVisited[i] = triangleStatus.IsTriangleOpen(m_neighborTriangle[i]);
137 neighborTriangleAlreadyVisited[i] =
false;
143 doesIntersectsEdges[i] = neighborTriangleAlreadyVisited[i] || m_edgeIntersector->DoesIntersectEdge(*vertex[i], *vertex[i+1]);
144 if (doesIntersectsEdges[i] && (isACrossableEdges[i] ==
false))
145 m_intersectedHalfEdgeRawPtrArray->PushBack(halfEdgeRawPtr[i]);
149 (isACrossableEdges[0] ==
false && doesIntersectsEdges[0]) ||
150 (isACrossableEdges[1] ==
false && doesIntersectsEdges[1]) ||
151 (isACrossableEdges[2] ==
false && doesIntersectsEdges[2]);
154 m_shouldVisitNeighborTriangle[i] = isACrossableEdges[i] && neighborTriangleAlreadyVisited[i] ==
false && doesIntersectsEdges[i];
160 #endif //Navigation_BestFirstSearchEdgeCollisionCollector_H
KyUInt32 NavHalfEdgeIdx
An index that uniquely identifies a single edge of a triangle within the set of edges owned by a NavF...
Definition: navmeshtypes.h:87
Indicates that another NavHalfEdge in the same NavFloor but in different Connex lies adjacent to the ...
Definition: navmeshtypes.h:60
static NavHalfEdgeIdx NavTriangleIdxToFirstNavHalfEdgeIdx(NavTriangleIdx idx)
Retrieves the first NavHalfEdgeIdx of NavTriangle specified by the input NavTriangleIdx.
Definition: navfloorblob.inl:26
Vec2LL CoordPos64
A type that represents the position of a point within the 2D integer grid.
Definition: navmeshtypes.h:19
Definition: gamekitcrowddispersion.h:20
static NavTriangleIdx NavHalfEdgeIdxToTriangleIdx(NavHalfEdgeIdx idx)
Retrieves the index of the triangle that contains the edge specified the input NavHalfEdgeIdx.
Definition: navfloorblob.inl:25
#define KY_DEFINE_NEW_DELETE_OPERATORS(MemStat)
This macro defines new and delete operators.
Definition: memory.h:137
Indicates that another NavHalfEdge in the same Connex lies adjacent to the NavHalfEdge.
Definition: navmeshtypes.h:61
unsigned int KyUInt32
Type used internally to represent an unsigned 32-bit integer.
Definition: types.h:36