(*
Copyright (C) 2023  Florian Brinkmeyer

    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 <https://www.gnu.org/licenses/>.
*)

namespace GameFramework

type ISelfCalculatingPiece<'Board, 'Coords, 'MoveCommand, 'BoardEvent> =
    ///Source board -> current piece position -> possible moves 
    abstract PossibleMoves : 'Board (*source board*) -> 'Coords (*current piece position*) -> seq<'MoveCommand>
    ///Source board -> current piece position -> move to apply -> resulting board * new piece position * board events to trigger
    abstract ApplyMove : 'Board (*source board*) -> 'Coords (*current piece position*) -> 'MoveCommand (*move to apply*) -> 
        'Board (*resulting board*) * 'Coords (*new piece position*) * seq<'BoardEvent> (*board events to trigger*)