breakhack/src/position.h

81 lines
1.8 KiB
C

/*
* BreakHack - A dungeone crawler RPG
* Copyright (C) 2018 Linus Probert <linus.probert@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef POSITION_H_
#define POSITION_H_
#include <stdbool.h>
#define POS(x, y) (Position) { x, y }
typedef struct {
int x;
int y;
} Position;
/*
* Return a matrix coord position for a given position
*/
Position
position_to_matrix_coords(const Position*);
/*
* Get the room coord for the room containing the given position
*/
Position
position_to_room_coords(Position*);
/*
* Check is a position is within a given room
*/
bool
position_in_room(Position *pos, Position *roomPos);
/*
* Check if two positions are equal
*/
bool
position_equals(const Position*, const Position*);
/*
* Check if two positions are separated by equal
* or less of the provided distance.
*/
bool
position_proximity(unsigned int distance, const Position*, const Position*);
/*
* Check if a matrix coord is still within the matrix
*/
bool
position_in_roommatrix(const Position*);
/*
* Get the tile position for the given world position
*/
Position
position_to_tile_pos(const Position*);
/*
* Add two positions
*/
Position
position_add(const Position*, const Position*);
#endif // POSITION_H_