5dplomacy/MultiversalDiplomacy/Script/GameScriptHandler.cs

77 lines
2.8 KiB
C#

using System.Text.RegularExpressions;
using MultiversalDiplomacy.Model;
using MultiversalDiplomacy.Orders;
namespace MultiversalDiplomacy.Script;
public class GameScriptHandler(World world, bool strict = false) : IScriptHandler
{
public string Prompt => "orders> ";
public World World { get; private set; } = world;
/// <summary>
/// Whether unsuccessful commands should terminate the script.
/// </summary>
public bool Strict { get; } = strict;
private string? CurrentPower = null;
public IScriptHandler? HandleInput(string input)
{
if (input == "") {
CurrentPower = null;
return this;
}
// "---" submits the orders for validation to allow for assertions about it
if (input == "---") {
Console.WriteLine("Submitting orders for validation");
// TODO submit orders
return new ValidatedOrdersScriptHandler(World, Strict);
}
// A block of orders for a single power beginning with "{name}:"
if (World.Powers.FirstOrDefault(p => input.EqualsAnyCase($"{p}:"), null) is string power) {
CurrentPower = power;
return this;
}
if (TryParseOrder(input, out Order? order)) {
Console.WriteLine($"Parsed order \"{input}\" but doing anything with it isn't implemented yet");
} else if (Strict) {
return null;
}
return this;
}
private bool TryParseOrder(string input, out Order? order) {
order = null;
OrderRegex re = new(World);
Match match;
if ((match = re.Hold.Match(input)).Success) {
var hold = OrderRegex.ParseHold(match);
string power = hold.power.Length > 0 ? hold.power : CurrentPower ?? hold.power;
Unit unit = World.Units.First(unit
=> World.Map.GetLocation(unit.Location).ProvinceName == hold.province
&& unit.Season.Timeline == (hold.timeline.Length > 0 ? hold.timeline : "a")
&& unit.Season.Turn.ToString() == (hold.turn.Length > 0 ? hold.turn : "0"));
order = new HoldOrder(power, unit);
return true;
} else if ((match = re.Move.Match(input)).Success) {
var move = OrderRegex.ParseMove(match);
Unit unit = World.Units.First(unit
=> World.Map.GetLocation(unit.Location).ProvinceName == move.province
&& unit.Season.Timeline == (move.timeline.Length > 0 ? move.timeline : "a")
&& unit.Season.Turn.ToString() == (move.turn.Length > 0 ? move.turn : "0"));
order = new MoveOrder(move.power, unit, Season.First, "l");
return true;
}
Console.WriteLine($"Failed to parse \"{input}\"");
return false;
}
}