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/*************************************************************************/
/* image_path_finder.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef IMAGE_PATH_FINDER_H
#define IMAGE_PATH_FINDER_H
#include "resource.h"
class ImagePathFinder : public Resource{
OBJ_TYPE(ImagePathFinder,Resource);
union Cell {
struct {
bool solid:1;
bool visited:1;
bool final:1;
uint8_t parent:3;
uint32_t cost:26;
};
uint32_t data;
};
DVector<Cell>::Write lock;
DVector<Cell> cell_data;
uint32_t width;
uint32_t height;
Cell* cells; //when unlocked
void _unlock();
void _lock();
_FORCE_INLINE_ bool _can_go_straigth(const Point2& p_from, const Point2& p_to) const;
_FORCE_INLINE_ bool _is_linear_path(const Point2& p_from, const Point2& p_to);
protected:
static void _bind_methods();
public:
DVector<Point2> find_path(const Point2& p_from, const Point2& p_to,bool p_optimize=false);
Size2 get_size() const;
bool is_solid(const Point2& p_pos);
void create_from_image_alpha(const Image& p_image);
ImagePathFinder();
};
#endif // IMAGE_PATH_FINDER_H
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