Juan Pablo Arce
417 lines
18 KiB
C#
417 lines
18 KiB
C#
using Barotrauma.Extensions;
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using Barotrauma.Items.Components;
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using FarseerPhysics;
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using Microsoft.Xna.Framework;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Xml.Linq;
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namespace Barotrauma
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{
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partial class PirateMission : Mission
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{
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private readonly XElement submarineTypeConfig;
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private readonly XElement characterConfig;
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private readonly XElement characterTypeConfig;
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private readonly float addedMissionDifficultyPerPlayer;
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private float missionDifficulty;
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private int alternateReward;
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private Submarine enemySub;
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private readonly List<Character> characters = new List<Character>();
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private readonly Dictionary<Character, List<Item>> characterItems = new Dictionary<Character, List<Item>>();
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// Update the last sighting periodically so that the players can find the pirate sub even if they have lost the track of it.
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private readonly float pirateSightingUpdateFrequency = 30;
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private float pirateSightingUpdateTimer;
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private Vector2? lastSighting;
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private LevelData levelData;
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public override int TeamCount => 2;
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private bool outsideOfSonarRange;
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private readonly List<Vector2> patrolPositions = new List<Vector2>();
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public override IEnumerable<Vector2> SonarPositions
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{
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get
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{
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var empty = Enumerable.Empty<Vector2>();
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if (outsideOfSonarRange)
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{
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return State switch
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{
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0 => patrolPositions,
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1 => lastSighting.HasValue ? lastSighting.Value.ToEnumerable() : empty,
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_ => empty,
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};
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}
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else
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{
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return empty;
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}
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}
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}
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public override int GetReward(Submarine sub)
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{
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return alternateReward;
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}
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private SubmarineInfo submarineInfo;
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public override SubmarineInfo EnemySubmarineInfo
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{
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get
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{
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return submarineInfo;
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}
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}
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// these values could also be defined within the mission XML
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private const float RandomnessModifier = 25;
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private const float ShipRandomnessModifier = 15;
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private const float MaxDifficulty = 100;
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public PirateMission(MissionPrefab prefab, Location[] locations, Submarine sub) : base(prefab, locations, sub)
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{
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submarineTypeConfig = prefab.ConfigElement.GetChildElement("SubmarineTypes");
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characterConfig = prefab.ConfigElement.GetChildElement("Characters");
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characterTypeConfig = prefab.ConfigElement.GetChildElement("CharacterTypes");
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addedMissionDifficultyPerPlayer = prefab.ConfigElement.GetAttributeFloat("addedmissiondifficultyperplayer", 0);
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// for campaign missions, set level at construction
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LevelData levelData = locations[0].Connections.Where(c => c.Locations.Contains(locations[1])).FirstOrDefault()?.LevelData ?? locations[0]?.LevelData;
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if (levelData != null)
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{
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SetLevel(levelData);
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}
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}
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public override void SetLevel(LevelData level)
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{
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if (levelData != null)
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{
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//level already set
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return;
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}
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levelData = level;
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missionDifficulty = level?.Difficulty ?? 0;
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XElement submarineConfig = GetRandomDifficultyModifiedElement(submarineTypeConfig, missionDifficulty, ShipRandomnessModifier);
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alternateReward = submarineConfig.GetAttributeInt("alternatereward", Reward);
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string rewardText = $"‖color:gui.orange‖{string.Format(System.Globalization.CultureInfo.InvariantCulture, "{0:N0}", alternateReward)}‖end‖";
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if (descriptionWithoutReward != null) { description = descriptionWithoutReward.Replace("[reward]", rewardText); }
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ContentPath submarinePath = submarineConfig.GetAttributeContentPath("path", Prefab.ContentPackage);
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if (submarinePath.IsNullOrEmpty())
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{
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DebugConsole.ThrowError($"No path used for submarine for the pirate mission \"{Prefab.Identifier}\"!");
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return;
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}
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// maybe a little redundant
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var contentFile = ContentPackageManager.EnabledPackages.All.SelectMany(p => p.GetFiles<EnemySubmarineFile>()).FirstOrDefault(x => x.Path == submarinePath);
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if (contentFile == null)
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{
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DebugConsole.ThrowError($"No submarine file found from the path {submarinePath}!");
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return;
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}
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submarineInfo = new SubmarineInfo(contentFile.Path.Value);
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}
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private float GetDifficultyModifiedValue(float preferredDifficulty, float levelDifficulty, float randomnessModifier, Random rand)
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{
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return Math.Abs(levelDifficulty - preferredDifficulty + MathHelper.Lerp(-randomnessModifier, randomnessModifier, (float)rand.NextDouble()));
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}
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private int GetDifficultyModifiedAmount(int minAmount, int maxAmount, float levelDifficulty, Random rand)
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{
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return Math.Max((int)Math.Round(minAmount + (maxAmount - minAmount) * (levelDifficulty + MathHelper.Lerp(-RandomnessModifier, RandomnessModifier, (float)rand.NextDouble())) / MaxDifficulty), minAmount);
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}
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private XElement GetRandomDifficultyModifiedElement(XElement parentElement, float levelDifficulty, float randomnessModifier)
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{
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Random rand = new MTRandom(ToolBox.StringToInt(levelData.Seed));
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// look for the element that is closest to our difficulty, with some randomness
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XElement bestElement = null;
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float bestValue = float.MaxValue;
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foreach (XElement element in parentElement.Elements())
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{
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float applicabilityValue = GetDifficultyModifiedValue(element.GetAttributeFloat(0f, "preferreddifficulty"), levelDifficulty, randomnessModifier, rand);
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if (applicabilityValue < bestValue)
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{
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bestElement = element;
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bestValue = applicabilityValue;
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}
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}
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return bestElement;
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}
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private void CreateMissionPositions(out Vector2 preferredSpawnPos)
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{
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Vector2 patrolPos = enemySub.WorldPosition;
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Point subSize = enemySub.GetDockedBorders().Size;
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if (!Level.Loaded.TryGetInterestingPosition(true, Level.PositionType.MainPath, Level.Loaded.Size.X * 0.3f, out preferredSpawnPos))
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{
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DebugConsole.ThrowError("Could not spawn pirate submarine in an interesting location! " + this);
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}
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if (!Level.Loaded.TryGetInterestingPositionAwayFromPoint(true, Level.PositionType.MainPath, Level.Loaded.Size.X * 0.3f, out patrolPos, preferredSpawnPos, minDistFromPoint: 10000f))
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{
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DebugConsole.ThrowError("Could not give pirate submarine an interesting location to patrol to! " + this);
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}
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patrolPos = enemySub.FindSpawnPos(patrolPos, subSize);
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patrolPositions.Add(patrolPos);
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patrolPositions.Add(preferredSpawnPos);
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if (!IsClient)
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{
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PathFinder pathFinder = new PathFinder(WayPoint.WayPointList, false);
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var path = pathFinder.FindPath(ConvertUnits.ToSimUnits(patrolPos), ConvertUnits.ToSimUnits(preferredSpawnPos));
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if (!path.Unreachable)
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{
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var validNodes = path.Nodes.FindAll(n => !Level.Loaded.ExtraWalls.Any(w => w.Cells.Any(c => c.IsPointInside(n.WorldPosition))));
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if (validNodes.Any())
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{
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preferredSpawnPos = validNodes.GetRandomUnsynced().WorldPosition; // spawn the sub in a random point in the path if possible
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}
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}
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int graceDistance = 500; // the sub still spawns awkwardly close to walls, so this helps. could also be given as a parameter instead
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preferredSpawnPos = enemySub.FindSpawnPos(preferredSpawnPos, new Point(subSize.X + graceDistance, subSize.Y + graceDistance));
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}
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}
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private void InitPirateShip()
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{
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enemySub.NeutralizeBallast();
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if (enemySub.GetItems(alsoFromConnectedSubs: false).Find(i => i.HasTag("reactor") && !i.NonInteractable)?.GetComponent<Reactor>() is Reactor reactor)
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{
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reactor.PowerUpImmediately();
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}
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enemySub.EnableMaintainPosition();
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enemySub.TeamID = CharacterTeamType.None;
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//make the enemy sub withstand atleast the same depth as the player sub
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enemySub.RealWorldCrushDepth = Math.Max(enemySub.RealWorldCrushDepth, Submarine.MainSub.RealWorldCrushDepth);
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if (Level.Loaded != null)
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{
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//...and the depth of the patrol positions + 1000 m
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foreach (var patrolPos in patrolPositions)
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{
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enemySub.RealWorldCrushDepth = Math.Max(enemySub.RealWorldCrushDepth, Level.Loaded.GetRealWorldDepth(patrolPos.Y) + 1000);
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}
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}
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enemySub.ImmuneToBallastFlora = true;
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}
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private void InitPirates()
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{
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characters.Clear();
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characterItems.Clear();
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if (characterConfig == null)
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{
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DebugConsole.ThrowError("Failed to initialize characters for escort mission (characterConfig == null)");
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return;
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}
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int playerCount = 1;
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#if SERVER
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playerCount = GameMain.Server.ConnectedClients.Where(c => !c.SpectateOnly || !GameMain.Server.ServerSettings.AllowSpectating).Count();
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#endif
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float enemyCreationDifficulty = missionDifficulty + playerCount * addedMissionDifficultyPerPlayer;
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Random rand = new MTRandom(ToolBox.StringToInt(levelData.Seed));
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bool commanderAssigned = false;
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foreach (XElement element in characterConfig.Elements())
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{
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// it is possible to get more than the "max" amount of characters if the modified difficulty is high enough; this is intentional
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// if necessary, another "hard max" value could be used to clamp the value for performance/gameplay concerns
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int amountCreated = GetDifficultyModifiedAmount(element.GetAttributeInt("minamount", 0), element.GetAttributeInt("maxamount", 0), enemyCreationDifficulty, rand);
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for (int i = 0; i < amountCreated; i++)
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{
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XElement characterType = characterTypeConfig.Elements().Where(e => e.GetAttributeString("typeidentifier", string.Empty) == element.GetAttributeString("typeidentifier", string.Empty)).FirstOrDefault();
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if (characterType == null)
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{
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DebugConsole.ThrowError($"No character types defined in CharacterTypes for a declared type identifier in mission \"{Prefab.Identifier}\".");
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return;
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}
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XElement variantElement = GetRandomDifficultyModifiedElement(characterType, enemyCreationDifficulty, RandomnessModifier);
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Character spawnedCharacter = CreateHuman(GetHumanPrefabFromElement(variantElement), characters, characterItems, enemySub, CharacterTeamType.None, null);
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if (!commanderAssigned)
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{
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bool isCommander = variantElement.GetAttributeBool("iscommander", false);
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if (isCommander && spawnedCharacter.AIController is HumanAIController humanAIController)
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{
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humanAIController.InitShipCommandManager();
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foreach (var patrolPos in patrolPositions)
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{
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humanAIController.ShipCommandManager.patrolPositions.Add(patrolPos);
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}
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commanderAssigned = true;
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}
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}
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foreach (Item item in spawnedCharacter.Inventory.AllItems)
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{
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if (item?.GetComponent<IdCard>() != null)
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{
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item.AddTag("id_pirate");
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}
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}
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}
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}
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}
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protected override void StartMissionSpecific(Level level)
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{
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if (characters.Count > 0)
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{
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#if DEBUG
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throw new Exception($"characters.Count > 0 ({characters.Count})");
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#else
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DebugConsole.AddWarning("Character list was not empty at the start of a pirate mission. The mission instance may not have been ended correctly on previous rounds.");
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characters.Clear();
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#endif
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}
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if (patrolPositions.Count > 0)
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{
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#if DEBUG
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throw new Exception($"patrolPositions.Count > 0 ({patrolPositions.Count})");
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#else
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DebugConsole.AddWarning("Patrol point list was not empty at the start of a pirate mission. The mission instance may not have been ended correctly on previous rounds.");
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patrolPositions.Clear();
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#endif
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}
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enemySub = Submarine.MainSubs[1];
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if (enemySub == null)
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{
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DebugConsole.ThrowError($"Enemy Submarine was not created. SubmarineInfo is likely not defined.");
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// TODO: should we set the state to something here?
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return;
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}
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Vector2 spawnPos = Level.Loaded.EndPosition; // in case TryGetInterestingPosition fails, though this should not happen
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CreateMissionPositions(out spawnPos); // patrol positions are not explicitly replicated, instead they are acquired the same way the server acquires them
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#if DEBUG
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if (IsClient)
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{
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DebugConsole.NewMessage("The patrol positions set by client were: ");
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}
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else
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{
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DebugConsole.NewMessage("The patrol positions set by server were: ");
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}
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foreach (var patrolPos in patrolPositions)
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{
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DebugConsole.NewMessage("Patrol pos: " + patrolPos);
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}
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#endif
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if (!IsClient)
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{
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InitPirateShip();
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}
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enemySub.SetPosition(spawnPos);
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// flipping the sub on the frame it is moved into place must be done after it's been moved, or it breaks item connections in the submarine
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// creating the pirates has to be done after the sub has been flipped, or it seems to break the AI pathing
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enemySub.FlipX();
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enemySub.ShowSonarMarker = false;
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if (!IsClient)
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{
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InitPirates();
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}
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}
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protected override void UpdateMissionSpecific(float deltaTime)
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{
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if (state >= 2) { return; }
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float sqrSonarRange = MathUtils.Pow2(Sonar.DefaultSonarRange);
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outsideOfSonarRange = Vector2.DistanceSquared(enemySub.WorldPosition, Submarine.MainSub.WorldPosition) > sqrSonarRange;
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if (CheckWinState())
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{
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State = 2;
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}
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else
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{
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switch (State)
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{
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case 0:
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for (int i = patrolPositions.Count - 1; i >= 0; i--)
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{
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if (Vector2.DistanceSquared(patrolPositions[i], Submarine.MainSub.WorldPosition) < sqrSonarRange)
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{
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patrolPositions.RemoveAt(i);
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}
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}
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if (!outsideOfSonarRange || patrolPositions.None())
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{
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State = 1;
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}
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break;
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case 1:
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if (outsideOfSonarRange)
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{
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if (lastSighting.HasValue && Vector2.DistanceSquared(lastSighting.Value, Submarine.MainSub.WorldPosition) < sqrSonarRange)
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{
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lastSighting = null;
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}
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pirateSightingUpdateTimer -= deltaTime;
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if (pirateSightingUpdateTimer < 0)
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{
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pirateSightingUpdateTimer = pirateSightingUpdateFrequency;
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lastSighting = enemySub.WorldPosition;
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}
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}
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else
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{
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lastSighting = enemySub.WorldPosition;
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pirateSightingUpdateTimer = 0;
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}
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break;
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}
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}
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}
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private bool CheckWinState() => !IsClient && characters.All(m => DeadOrCaptured(m));
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private bool DeadOrCaptured(Character character)
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{
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return character == null || character.Removed || character.Submarine == null || (character.LockHands && character.Submarine == Submarine.MainSub) || character.IsIncapacitated;
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}
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protected override bool DetermineCompleted()
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{
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return state == 2;
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}
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protected override void EndMissionSpecific(bool completed)
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{
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characters.Clear();
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characterItems.Clear();
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failed = !completed;
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}
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}
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}
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