70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
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/* CATWALK - Test your logic
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Copyright (C) 2021 Valentin Moguerou
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULIAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/> */
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#ifndef ROUTE_H_INCLUDED
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#define ROUTE_H_INCLUDED
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typedef struct element element;
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struct element
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{
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int x, y;
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element *previous, *next;
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};
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typedef struct
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{
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int width;
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element *first, *last;
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} route;
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/*
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-- second --
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-- second -- first -- second
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-- second --
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*/
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int is_left(element *first, element *second);
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int is_right(element *first, element *second);
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int is_up(element *first, element *second);
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int is_down(element *first, element *second);
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/*
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Return type: int
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* 0: success
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* 1: cannot move because of the grid border
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* 2: cannot move: already went here
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*/
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int move_left(route *rt);
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int move_right(route *rt);
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int move_up(route *rt);
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int move_down(route *rt);
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route *init_route(int width, int startx, int starty);
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void delete_element(element *el);
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void delete_route(route *rt);
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void push_back(route *rt, int x, int y);
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void pop_back(route *rt);
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element *find_coordinates(route *rt, int x, int y);
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int is_free(route *rt, int x, int y);
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void generate(route *rt);
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#endif /* ROUTE_H_INCLUDED */
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