sdk/fidl/fuchsia.game.tennis/tennis.fidl

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
library fuchsia.game.tennis;

@discoverable
protocol TennisService {
    GetState() -> (struct {
        state GameState;
    });
    RegisterPaddle(resource struct {
        player_name string;
        paddle client_end:Paddle;
    });
};

type GameState = struct {
    ballX float64;
    ballY float64;
    player_1_y float64; // player 1 is on the left side of the screen
    player_2_y float64;
    player_1_score int64;
    player_2_score int64;
    time int64; // start of each game is zero, represents in-game time steps elapsed
    game_num int64; // increments by one any time a new game starts, 0 if not enough players yet
    player_1_name string;
    player_2_name string;
};

protocol Paddle {
    NewGame(struct {
        is_player_2 bool;
    });
    -> Up();
    -> Down();
    -> Stop();
};