The next little game in the series where I make a fancy rogue game.
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roguish/pathing.hpp

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702 B

#pragma once
#include "point.hpp"
#include "matrix.hpp"
#include <functional>
class Pathing {
public:
size_t $width;
size_t $height;
Matrix $paths;
Matrix $input;
Pathing(size_t width, size_t height) :
$width(width),
$height(height),
$paths(height, MatrixRow(width, 1)),
$input(height, MatrixRow(width, 1))
{}
void compute_paths(Matrix &walls);
void set_target(const Point &at, int value=0);
void clear_target(const Point &at);
Matrix &paths() { return $paths; }
Matrix &input() { return $input; }
int distance(Point to) { return $paths[to.y][to.x];}
void random_flood(const Point from, std::function<void(Point at, int dnum)> cb);
bool INVARIANT();
};