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#include "constants.h"
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#include <utility>
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#include <vector>
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// Convert pair of x y coordinates to Position enum member.
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// If pr contains values above 7, or below 0 it will fail with an InvalidArgument exception.
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Position pair_to_pos(std::pair<int, int> pr);
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// Convert a Position number into a pair of x y coordiinates
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std::pair<int, int> pos_to_pair(Position pn);
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// Get all positions of pieces which can move to this square
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// This may require helper functions for each individual peice.
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// TODO rename to something less stupid.
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std::vector<Position> get_possible_movers(Position pn, std::array<PieceType, 64> pt);
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// Get all possible moved for piece in Position pn.
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// This may require helper functions for each individual piece.
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std::vector<Position> get_possible_moves(Position pn, std::array<PieceType, 64> pt);
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// Dumb function to do board moves.
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// Does NOT check for valid moves. Only moves PieceType of Pos1 to Pos2, then replaces Pos1 with Piecetype::NONE
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std::array<PieceType, 64> dumb_move(Position from, Position to, std::array<PieceType, 64> board);
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