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