269 lines
12 KiB
C#
269 lines
12 KiB
C#
using Barotrauma.Extensions;
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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.Globalization;
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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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class LevelData
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{
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public enum LevelType
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{
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LocationConnection,
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Outpost
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}
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public readonly LevelType Type;
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public readonly string Seed;
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public float Difficulty;
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public readonly Biome Biome;
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public readonly LevelGenerationParams GenerationParams;
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public bool HasBeaconStation;
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public bool IsBeaconActive;
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public bool HasHuntingGrounds, OriginallyHadHuntingGrounds;
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//minimum difficulty of the level before hunting grounds can appear
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public const float HuntingGroundsDifficultyThreshold = 25;
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//probability of hunting grounds appearing in 100% difficulty levels
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public const float MaxHuntingGroundsProbability = 0.3f;
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public OutpostGenerationParams ForceOutpostGenerationParams;
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public bool AllowInvalidOutpost;
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public readonly Point Size;
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public readonly int InitialDepth;
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/// <summary>
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/// Determined during level generation based on the size of the submarine. Null if the level hasn't been generated.
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/// </summary>
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public int? MinMainPathWidth;
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public readonly List<EventPrefab> EventHistory = new List<EventPrefab>();
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public readonly List<EventPrefab> NonRepeatableEvents = new List<EventPrefab>();
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public float CrushDepth
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{
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get
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{
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return Math.Max(Size.Y, Level.DefaultRealWorldCrushDepth / Physics.DisplayToRealWorldRatio) - InitialDepth;
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}
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}
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public float RealWorldCrushDepth
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{
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get
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{
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return Math.Max(Size.Y * Physics.DisplayToRealWorldRatio, Level.DefaultRealWorldCrushDepth);
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}
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}
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public LevelData(string seed, float difficulty, float sizeFactor, LevelGenerationParams generationParams, Biome biome)
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{
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Seed = seed ?? throw new ArgumentException("Seed was null");
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Biome = biome ?? throw new ArgumentException("Biome was null");
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GenerationParams = generationParams ?? throw new ArgumentException("Level generation parameters were null");
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Type = GenerationParams.Type;
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Difficulty = difficulty;
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sizeFactor = MathHelper.Clamp(sizeFactor, 0.0f, 1.0f);
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int width = (int)MathHelper.Lerp(generationParams.MinWidth, generationParams.MaxWidth, sizeFactor);
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InitialDepth = (int)MathHelper.Lerp(generationParams.InitialDepthMin, generationParams.InitialDepthMax, sizeFactor);
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Size = new Point(
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(int)MathUtils.Round(width, Level.GridCellSize),
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(int)MathUtils.Round(generationParams.Height, Level.GridCellSize));
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}
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public LevelData(XElement element)
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{
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Seed = element.GetAttributeString("seed", "");
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Difficulty = element.GetAttributeFloat("difficulty", 0.0f);
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Size = element.GetAttributePoint("size", new Point(1000));
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Enum.TryParse(element.GetAttributeString("type", "LocationConnection"), out Type);
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HasBeaconStation = element.GetAttributeBool("hasbeaconstation", false);
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IsBeaconActive = element.GetAttributeBool("isbeaconactive", false);
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HasHuntingGrounds = element.GetAttributeBool("hashuntinggrounds", false);
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OriginallyHadHuntingGrounds = element.GetAttributeBool("originallyhadhuntinggrounds", HasHuntingGrounds);
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string generationParamsId = element.GetAttributeString("generationparams", "");
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GenerationParams = LevelGenerationParams.LevelParams.Find(l => l.Identifier == generationParamsId || (!l.OldIdentifier.IsEmpty && l.OldIdentifier == generationParamsId));
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if (GenerationParams == null)
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{
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DebugConsole.ThrowError($"Error while loading a level. Could not find level generation params with the ID \"{generationParamsId}\".");
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GenerationParams = LevelGenerationParams.LevelParams.FirstOrDefault(l => l.Type == Type);
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if (GenerationParams == null)
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{
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GenerationParams = LevelGenerationParams.LevelParams.First();
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}
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}
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InitialDepth = element.GetAttributeInt("initialdepth", GenerationParams.InitialDepthMin);
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string biomeIdentifier = element.GetAttributeString("biome", "");
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Biome = Biome.Prefabs.FirstOrDefault(b => b.Identifier == biomeIdentifier || (!b.OldIdentifier.IsEmpty && b.OldIdentifier == biomeIdentifier));
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if (Biome == null)
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{
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DebugConsole.ThrowError($"Error in level data: could not find the biome \"{biomeIdentifier}\".");
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Biome = Biome.Prefabs.First();
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}
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string[] prefabNames = element.GetAttributeStringArray("eventhistory", new string[] { });
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EventHistory.AddRange(EventPrefab.Prefabs.Where(p => prefabNames.Any(n => p.Identifier == n)));
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string[] nonRepeatablePrefabNames = element.GetAttributeStringArray("nonrepeatableevents", new string[] { });
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NonRepeatableEvents.AddRange(EventPrefab.Prefabs.Where(p => nonRepeatablePrefabNames.Any(n => p.Identifier == n)));
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}
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/// <summary>
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/// Instantiates level data using the properties of the connection (seed, size, difficulty)
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/// </summary>
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public LevelData(LocationConnection locationConnection)
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{
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Seed = locationConnection.Locations[0].BaseName + locationConnection.Locations[1].BaseName;
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Biome = locationConnection.Biome;
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Type = LevelType.LocationConnection;
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GenerationParams = LevelGenerationParams.GetRandom(Seed, LevelType.LocationConnection, Biome.Identifier);
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Difficulty = locationConnection.Difficulty;
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float sizeFactor = MathUtils.InverseLerp(
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MapGenerationParams.Instance.SmallLevelConnectionLength,
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MapGenerationParams.Instance.LargeLevelConnectionLength,
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locationConnection.Length);
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int width = (int)MathHelper.Lerp(GenerationParams.MinWidth, GenerationParams.MaxWidth, sizeFactor);
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Size = new Point(
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(int)MathUtils.Round(width, Level.GridCellSize),
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(int)MathUtils.Round(GenerationParams.Height, Level.GridCellSize));
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var rand = new MTRandom(ToolBox.StringToInt(Seed));
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InitialDepth = (int)MathHelper.Lerp(GenerationParams.InitialDepthMin, GenerationParams.InitialDepthMax, (float)rand.NextDouble());
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if (Biome.IsEndBiome)
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{
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HasHuntingGrounds = false;
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HasBeaconStation = false;
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}
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else
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{
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HasHuntingGrounds = OriginallyHadHuntingGrounds = rand.NextDouble() < MathUtils.InverseLerp(HuntingGroundsDifficultyThreshold, 100.0f, Difficulty) * MaxHuntingGroundsProbability;
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HasBeaconStation = !HasHuntingGrounds && rand.NextDouble() < locationConnection.Locations.Select(l => l.Type.BeaconStationChance).Max();
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}
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IsBeaconActive = false;
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}
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/// <summary>
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/// Instantiates level data using the properties of the location
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/// </summary>
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public LevelData(Location location)
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{
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Seed = location.BaseName;
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Biome = location.Biome;
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Type = LevelType.Outpost;
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GenerationParams = LevelGenerationParams.GetRandom(Seed, LevelType.Outpost, Biome.Identifier);
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Difficulty = 0.0f;
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var rand = new MTRandom(ToolBox.StringToInt(Seed));
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int width = (int)MathHelper.Lerp(GenerationParams.MinWidth, GenerationParams.MaxWidth, (float)rand.NextDouble());
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InitialDepth = (int)MathHelper.Lerp(GenerationParams.InitialDepthMin, GenerationParams.InitialDepthMax, (float)rand.NextDouble());
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Size = new Point(
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(int)MathUtils.Round(width, Level.GridCellSize),
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(int)MathUtils.Round(GenerationParams.Height, Level.GridCellSize));
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}
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public static LevelData CreateRandom(string seed = "", float? difficulty = null, LevelGenerationParams generationParams = null, bool requireOutpost = false)
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{
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if (string.IsNullOrEmpty(seed))
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{
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seed = Rand.Range(0, int.MaxValue, Rand.RandSync.ServerAndClient).ToString();
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}
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Rand.SetSyncedSeed(ToolBox.StringToInt(seed));
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LevelType type = generationParams == null ?
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(requireOutpost ? LevelType.Outpost : LevelType.LocationConnection) :
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generationParams.Type;
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if (generationParams == null) { generationParams = LevelGenerationParams.GetRandom(seed, type); }
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var biome =
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Biome.Prefabs.FirstOrDefault(b => generationParams?.AllowedBiomeIdentifiers.Contains(b.Identifier) ?? false) ??
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Biome.Prefabs.GetRandom(Rand.RandSync.ServerAndClient);
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var levelData = new LevelData(
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seed,
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difficulty ?? Rand.Range(30.0f, 80.0f, Rand.RandSync.ServerAndClient),
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Rand.Range(0.0f, 1.0f, Rand.RandSync.ServerAndClient),
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generationParams,
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biome);
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if (type == LevelType.LocationConnection)
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{
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float beaconRng = Rand.Range(0.0f, 1.0f, Rand.RandSync.ServerAndClient);
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levelData.HasBeaconStation = beaconRng < 0.5f;
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levelData.IsBeaconActive = beaconRng > 0.25f;
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}
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if (GameMain.GameSession?.GameMode != null)
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{
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foreach (Mission mission in GameMain.GameSession.GameMode.Missions)
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{
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mission.AdjustLevelData(levelData);
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}
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}
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return levelData;
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}
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public void Save(XElement parentElement)
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{
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var newElement = new XElement("Level",
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new XAttribute("seed", Seed),
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new XAttribute("biome", Biome.Identifier),
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new XAttribute("type", Type.ToString()),
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new XAttribute("difficulty", Difficulty.ToString("G", CultureInfo.InvariantCulture)),
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new XAttribute("size", XMLExtensions.PointToString(Size)),
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new XAttribute("generationparams", GenerationParams.Identifier),
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new XAttribute("initialdepth", InitialDepth));
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if (HasBeaconStation)
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{
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newElement.Add(
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new XAttribute("hasbeaconstation", HasBeaconStation.ToString()),
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new XAttribute("isbeaconactive", IsBeaconActive.ToString()));
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}
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if (HasHuntingGrounds)
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{
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newElement.Add(
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new XAttribute("hashuntinggrounds", true));
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}
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if (HasHuntingGrounds || OriginallyHadHuntingGrounds)
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{
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newElement.Add(
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new XAttribute("originallyhadhuntinggrounds", true));
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}
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if (Type == LevelType.Outpost)
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{
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if (EventHistory.Any())
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{
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newElement.Add(new XAttribute("eventhistory", string.Join(',', EventHistory.Select(p => p.Identifier))));
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}
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if (NonRepeatableEvents.Any())
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{
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newElement.Add(new XAttribute("nonrepeatableevents", string.Join(',', NonRepeatableEvents.Select(p => p.Identifier))));
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}
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}
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parentElement.Add(newElement);
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}
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}
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} |