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https://github.com/Relintai/pandemonium_engine_minimal.git
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70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
#ifndef POLYGON_PATH_FINDER_H
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#define POLYGON_PATH_FINDER_H
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/* polygon_path_finder.h */
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#include "core/object/resource.h"
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class PolygonPathFinder : public Resource {
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GDCLASS(PolygonPathFinder, Resource);
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struct Point {
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Vector2 pos;
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RBSet<int> connections;
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float distance;
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float penalty;
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int prev;
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};
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struct Edge {
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int points[2];
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_FORCE_INLINE_ bool operator<(const Edge &p_edge) const {
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if (points[0] == p_edge.points[0]) {
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return points[1] < p_edge.points[1];
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} else {
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return points[0] < p_edge.points[0];
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}
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}
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Edge(int a = 0, int b = 0) {
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if (a > b) {
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SWAP(a, b);
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}
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points[0] = a;
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points[1] = b;
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}
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};
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Vector2 outside_point;
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Rect2 bounds;
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Vector<Point> points;
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RBSet<Edge> edges;
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bool _is_point_inside(const Vector2 &p_point) const;
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void _set_data(const Dictionary &p_data);
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Dictionary _get_data() const;
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protected:
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static void _bind_methods();
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public:
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void setup(const Vector<Vector2> &p_points, const Vector<int> &p_connections);
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Vector<Vector2> find_path(const Vector2 &p_from, const Vector2 &p_to);
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void set_point_penalty(int p_point, float p_penalty);
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float get_point_penalty(int p_point) const;
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bool is_point_inside(const Vector2 &p_point) const;
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Vector2 get_closest_point(const Vector2 &p_point) const;
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Vector<Vector2> get_intersections(const Vector2 &p_from, const Vector2 &p_to) const;
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Rect2 get_bounds() const;
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PolygonPathFinder();
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};
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#endif // POLYGON_PATH_FINDER_H
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