85 lines
1.8 KiB
C++
Executable File
85 lines
1.8 KiB
C++
Executable File
#ifndef GRIDNODE_H
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#define GRIDNODE_H
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#include "GridNodeBBox.h"
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#include "GridPoint.h"
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/** forward decl. */
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template<typename> class Grid;
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/**
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* INTERNAL DATASTRUCTURE
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* this data-structure is internally used by the Grid
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* to store additional information for each node besides
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* the user's requested data-structure
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*/
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struct GridNode {
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private:
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/** grant full access to the grid */
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template<typename> friend class Grid;
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/** INTERNAL: node's index array-index */
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int _idx;
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/** INTERNAL: store neighbors (via index) */
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int _neighbors[10];
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/** INTERNAL: number of neighbors */
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uint8_t _numNeighbors;
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/** semantic annotation for this node */
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uint8_t _type;
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public:
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static const uint8_t TYPE_FLOOR = 0;
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static const uint8_t TYPE_STAIR = 1;
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static const uint8_t TYPE_ELEVATOR = 2;
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static const uint8_t TYPE_DOOR = 3;
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public:
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/** ctor */
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GridNode() : _idx(-1), _neighbors(), _numNeighbors(0), _type(0) {;}
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/** get the node's index within its grid */
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int getIdx() const {return _idx;}
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/** get the number of neighbors for this node */
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int getNumNeighbors() const {return _numNeighbors;}
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/** reached neighbor limit? */
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bool fullyConnected() const {return _numNeighbors >= 10;}
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/** is this node connected to the given index? */
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bool hasNeighbor(const int idx) const {
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for (int i = 0; i < _numNeighbors; ++i) {
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if (_neighbors[i] == idx) {return true;}
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}
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return false;
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}
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/** get the node's semantic type */
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uint8_t getType() const {return _type;}
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/** set the node's semantic type */
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void setType(const uint8_t type) {this->_type = type;}
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// /** get the n-th neighbor for this node */
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// template <int gridSize_cm, typename T> inline T& getNeighbor(const int nth, const Grid<gridSize_cm, T>& grid) const {
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// return grid.getNeighbor(_idx, nth);
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// }
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};
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#endif // GRIDNODE_H
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