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sqrmaze.h
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C/C++ Source or Header
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1994-02-14
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3KB
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103 lines
#ifndef SQRMAZE_H
#define SQRMAZE_H
// Each instance of this class is a maze having square rooms.
// This class uses the classes "cell" (room of a maze), "oracle"
// (random number generator), and "titillat" (amuse user).
class maze
{
private:
oracle *column_selector;
// Random number generator to select column to start constructing maze.
struct
{
int row_num;
int column_num;
} current;
// Current location in maze.
int memory_allocated;
// The two dimensional array of rooms has been allocated.
int num_columns;
// Number of columns in maze.
int num_rows;
// Number of rows in maze.
oracle *order_selector;
// Random number generator to select the order walls are to considered.
cell **room;
// Two dimensional array of rooms composing the maze.
oracle *row_selector;
// Random number generator to select row to start constructing maze.
titillator *titillator_ptr;
// Keep the user amused while the maze is constructed.
struct
{
int row_num;
int column_num;
} first;
// Location of the starting room.
int wall_thickness;
// Thickness of wall.
public:
int constructed(void) {return memory_allocated;}
// Return TRUE if and only if the maze is successfully constructed.
int external_to_maze(double x,double y);
// Return TRUE if and only if a point (x,y) is external to the maze.
double f(double x,double y);
// Return 6.0*wall_thickness if a point (x,y) is on a wall, 0.0 otherwise.
maze(int row_count,int column_count,int thickness_of_wall,
char *seed);
// Contruct a maze having "row_count" rows and "column_count" columns of
// rooms. The walls should be "thickness_of_wall" (bricks) thick. A different
// (8 character of less) "seed" generally yields a different maze.
~maze(void);
int maze_okay(void);
// TRUE if and only if solving the maze is difficult enough.
int num_x_divisions(void)
{return 3*wall_thickness*num_rows+wall_thickness+2;}
// Recommended number of x divisions for plotting f(x,y).
int num_y_divisions(void)
{return 3*wall_thickness*num_columns+wall_thickness+2;}
// Recommended number of y divisions for plotting f(x,y).
int part_of_solution(double x,double y);
// Return TRUE if and only if a point (x,y) is on a wall outlining the
// solution to the maze.
double x_max(void)
{return double(3*wall_thickness*num_rows+wall_thickness);}
// Recommended maximum value of x for plotting f(x,y).
double x_min(void) {return(-1.0);}
// Recommended minimum value of x for plotting f(x,y).
double y_max(void)
{return double(3*wall_thickness*num_columns+wall_thickness);}
// Recommended maximum value of y for plotting f(x,y).
double y_min(void) {return(-1.0);}
// Recommended minimum value of y for plotting f(x,y).
};
#endif