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