/*
 * MIT License
 *
 * Copyright (c) 2019 Alexey Edelev <semlanik@gmail.com>
 *
 * This file is part of NeuralNetwork project https://git.semlanik.org/semlanik/NeuralNetwork
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this
 * software and associated documentation files (the "Software"), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify,
 * merge, publish, distribute, sublicense, and/or sell copies of the Software, and
 * to permit persons to whom the Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies
 * or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

 syntax="proto3";

package snakesimulator;

enum Direction {
    Unknown = 0;
    Up = 1;
    Down = 2;
    Left = 3;
    Right = 4;
}

message Point {
    uint32 x = 1;
    uint32 y = 2;
}

message Snake {
    repeated Point points = 1;
}

message Field {
    uint32 width = 1;
    uint32 height = 2;
    Point food = 3;
}

message Stats {
    uint32 generation = 1;
    uint32 individual = 2;
    uint32 move = 3;
}

message Speed {
    uint32 speed = 1;
}

message PlayingBestState {
    bool state = 1;
}

message None {
}

service SnakeSimulator {
    rpc snake(None) returns (stream Snake) {}
    rpc field(None) returns (stream Field) {}
    rpc stats(None) returns (stream Stats) {}
    rpc setSpeed(Speed) returns (None) {}
    rpc playBest(None) returns (None) {}
    rpc playBestInLoop(PlayingBestState) returns (None) {}
    rpc isPlaying(None) returns (stream PlayingBestState) {}
}