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116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
#ifndef __GRID_H_
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#define __GRID_H_
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#include "grid/gridPoint.h"
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/**
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* The class represents the base class for all 2D views.
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* It contains a two dimensional array of gridPoints,
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* the offset (in absolute coordinates) of the grid and
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* the size of the grid.
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* The size of the grid must be set during the instanciation of
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* the grid and cant be changed afterwards.
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*
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* It provides methods for adding and setting information about
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* points to the grid and obtaining a point and writing the grid
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* using a gridWriter-object.
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*
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* @author Uwe Hebbelmann, Sebastian Stock, Andre Schemschat
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*
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* @date 12.02.2008
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*/
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class grid
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{
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public:
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/** Array containing the gridPoints */
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gridPoint*** points;
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private:
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/** X offset (absolute coordinate) */
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long offsetX;
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/** Z offset (absolute coordinate) */
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long offsetZ;
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/** Width of the array */
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long sizeX;
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/** Height of the array */
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long sizeZ;
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/** @brief The method frees the internal array */
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void clear();
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/** @brief The method allocates and initialises the internal array */
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void allocate(long maxX, long maxZ);
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public:
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/** @brief CTor */
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grid(long offsetX, long offsetZ, long sizeX, long sizeZ);
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/** @brief Dtor */
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virtual ~grid();
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/** @brief Adds the information of the given point to the grid */
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virtual void addPoint(const gridPoint& point);
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/** @brief Adds the information to the grid at the specified coords */
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virtual void addPoint(long x, long z, unsigned int count, unsigned int occupied);
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/** @brief Sets the fixed values for a points */
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virtual void setPoint(long x, long z, unsigned int count, unsigned int occupied);
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/** @brief Returns the point of the absolute coordinates */
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gridPoint* getAbsolutePoint(long x, long z) const;
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/**
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* Method checks if the given Point is in this grid
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* @param x The absolute x coordinate
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* @param z The absolute z coordinate
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*/
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inline bool contains(long x, long z) const
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{
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x -= getOffsetX();
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z -= getOffsetZ();
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if( x < 0 || z < 0 || x >= getSizeX() || z >= getSizeZ())
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return false;
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else
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return true;
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}
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/**
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* Getter for offsetx
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* @return offsetX
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*/
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inline long getOffsetX() const {
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return this->offsetX;
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}
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/**
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* Getter for offsetZ
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* @return offsetZ
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*/
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inline long getOffsetZ() const {
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return this->offsetZ;
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}
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/**
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* Getter for the arraysize (X)
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* @return arraysize x
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*/
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inline long getSizeX() const {
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return this->sizeX;
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}
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/**
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* Getter for the arraysize (Z)
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* @return arraysize z
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*/
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inline long getSizeZ() const {
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return this->sizeZ;
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}
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};
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#endif
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