2cf2d7eed7
The map generators previously placed spawns in an order that was somewhat arbitrary and unintuitive to users. This change provides and makes use of a Terraformer utility to reorder spawns, based on their location, so that they typically make more sense to users selecting spawns from a lobby. Added to ExperimentalMapGenerator (RA, CnC), and D2kMapGenerator. Note that as this changes the output of the map generator for a given selection of settings. (Replays using generated maps from older versions will lose compatibility and no longer load.)
640 lines
22 KiB
C#
640 lines
22 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Frozen;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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using System.Linq;
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using OpenRA.Mods.Common.MapGenerator;
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using OpenRA.Mods.Common.Terrain;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Support;
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using OpenRA.Traits;
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using static OpenRA.Mods.Common.Traits.ResourceLayerInfo;
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namespace OpenRA.Mods.D2k.Traits
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{
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[TraitLocation(SystemActors.EditorWorld)]
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public sealed class D2kMapGeneratorInfo : TraitInfo, IEditorMapGeneratorInfo
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{
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[FieldLoader.Require]
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public readonly string Type = null;
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[FieldLoader.Require]
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[FluentReference]
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public readonly string Name = null;
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[FieldLoader.Require]
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[Desc("Tilesets that are compatible with this map generator.")]
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public readonly ImmutableArray<string> Tilesets = default;
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[FluentReference]
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[Desc("The title to use for generated maps.")]
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public readonly string MapTitle = "label-random-map";
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[Desc("The widget tree to open when the tool is selected.")]
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public readonly string PanelWidget = "MAP_GENERATOR_TOOL_PANEL";
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// This is purely of interest to the linter.
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[FieldLoader.LoadUsing(nameof(FluentReferencesLoader))]
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[FluentReference]
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public readonly ImmutableArray<string> FluentReferences = default;
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[FieldLoader.LoadUsing(nameof(SettingsLoader))]
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public readonly MiniYaml Settings;
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string IMapGeneratorInfo.Type => Type;
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string IMapGeneratorInfo.Name => Name;
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string IMapGeneratorInfo.MapTitle => MapTitle;
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ImmutableArray<string> IEditorMapGeneratorInfo.Tilesets => Tilesets;
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static MiniYaml SettingsLoader(MiniYaml my)
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{
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return my.NodeWithKey("Settings").Value;
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}
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static object FluentReferencesLoader(MiniYaml my)
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{
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return new MapGeneratorSettings(null, my.NodeWithKey("Settings").Value)
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.Options.SelectMany(o => o.GetFluentReferences()).ToImmutableArray();
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}
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const int FractionMax = Terraformer.FractionMax;
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const int EntityBonusMax = 1000000;
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sealed class Parameters
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{
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[FieldLoader.Require]
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public readonly int Seed = default;
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[FieldLoader.Require]
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public readonly int Rotations = default;
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[FieldLoader.LoadUsing(nameof(MirrorLoader))]
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public readonly Symmetry.Mirror Mirror = default;
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[FieldLoader.Require]
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public readonly int Players = default;
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[FieldLoader.Require]
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public readonly int TerrainFeatureSize = default;
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[FieldLoader.Require]
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public readonly int SandDetailFeatureSize = default;
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[FieldLoader.Require]
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public readonly int DuneFeatureSize = default;
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[FieldLoader.Require]
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public readonly int ResourceFeatureSize = default;
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[FieldLoader.Require]
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public readonly int TerrainSmoothing = default;
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[FieldLoader.Require]
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public readonly int DuneSmoothing = default;
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[FieldLoader.Require]
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public readonly int SmoothingThreshold = default;
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[FieldLoader.Require]
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public readonly int RockRoughness = default;
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[FieldLoader.Require]
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public readonly int SandRoughness = default;
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[FieldLoader.Require]
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public readonly int RoughnessRadius = default;
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[FieldLoader.Require]
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public readonly int Rock = default;
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[FieldLoader.Require]
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public readonly int SandCliffs = default;
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[FieldLoader.Require]
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public readonly int Dunes = default;
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[FieldLoader.Require]
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public readonly int MinimumRockStraight = default;
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[FieldLoader.Require]
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public readonly int MinimumSandCliffStraight = default;
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[FieldLoader.Require]
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public readonly int MinimumRockSandThickness = default;
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[FieldLoader.Require]
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public readonly int MinimumSandCliffThickness = default;
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[FieldLoader.Require]
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public readonly int MinimumDuneThickness = default;
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[FieldLoader.Require]
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public readonly int MinimumRockSmoothLength = default;
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[FieldLoader.Require]
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public readonly int MinimumSandRockCliffLength = default;
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[FieldLoader.Require]
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public readonly int MinimumSandSandCliffLength = default;
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[FieldLoader.Require]
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public readonly int MinimumSandLength = default;
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[FieldLoader.Require]
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public readonly int SandContourSpacing = default;
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[FieldLoader.Require]
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public readonly int DuneContourSpacing = default;
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[FieldLoader.Require]
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public readonly int SandDetail = default;
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[FieldLoader.Require]
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public readonly int SandDetailClumpiness = default;
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[FieldLoader.Require]
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public readonly int SandDetailCutout = default;
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[FieldLoader.Require]
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public readonly int MaximumSandDetailCutoutSpacing = default;
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[FieldLoader.Require]
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public readonly bool CreateEntities = default;
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[FieldLoader.Require]
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public readonly int AreaEntityBonus = default;
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[FieldLoader.Require]
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public readonly int PlayerCountEntityBonus = default;
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[FieldLoader.Require]
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public readonly int MinimumSpawnRockArea = default;
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[FieldLoader.Require]
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public readonly int CentralSpawnReservationFraction = default;
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[FieldLoader.Require]
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public readonly int SpawnRegionSize = default;
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[FieldLoader.Require]
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public readonly int MinimumSpawnRadius = default;
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[FieldLoader.Require]
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public readonly int SpawnReservation = default;
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[FieldLoader.Require]
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public readonly int BiasedResourceSpawns = default;
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[FieldLoader.Require]
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public readonly int ResourceSpawnSpacing = default;
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[FieldLoader.Require]
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public readonly int UnbiasedResourceSpawns = default;
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[FieldLoader.Require]
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public readonly int ResourceSpawnReservation = default;
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[FieldLoader.Require]
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public readonly int ResourcesPerPlayer = default;
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[FieldLoader.Require]
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public readonly int ResourceUniformity = default;
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[FieldLoader.Require]
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public readonly int ResourceClumpiness = default;
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[FieldLoader.Require]
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public readonly string ResourceSpawn = default;
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[FieldLoader.Ignore]
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public readonly ResourceTypeInfo Resource = default;
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[FieldLoader.Require]
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public readonly string WormSpawn = default;
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[FieldLoader.Require]
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public readonly int WormSpawns = default;
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[FieldLoader.Require]
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public readonly int WormSpawnReservation = default;
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[FieldLoader.Require]
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public readonly ushort SandTile = default;
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[FieldLoader.Require]
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public readonly ushort RockTile = default;
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[FieldLoader.Ignore]
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public readonly IReadOnlySet<byte> PlayableTerrain;
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[FieldLoader.Ignore]
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public readonly IReadOnlySet<byte> RockZoneableTerrain = default;
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[FieldLoader.Ignore]
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public readonly IReadOnlySet<byte> SandZoneableTerrain = default;
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[FieldLoader.Require]
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public readonly string RockSmoothSegmentType = default;
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[FieldLoader.Require]
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public readonly string SandRockCliffSegmentType = default;
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[FieldLoader.Require]
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public readonly string SandSandCliffSegmentType = default;
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[FieldLoader.Require]
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public readonly string SandSegmentType = default;
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[FieldLoader.Require]
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public readonly string DuneSegmentType = default;
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[FieldLoader.Ignore]
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public readonly IReadOnlyList<MultiBrush> SegmentedBrushes;
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[FieldLoader.Ignore]
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public readonly IReadOnlyList<MultiBrush> SandDetailBrushes;
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[FieldLoader.Ignore]
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public readonly IReadOnlyList<MultiBrush> DuneBrushes;
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public Parameters(Map map, MiniYaml my)
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{
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FieldLoader.Load(this, my);
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var terrainInfo = (ITemplatedTerrainInfo)map.Rules.TerrainInfo;
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IReadOnlySet<byte> ParseTerrainIndexes(string key)
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{
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return my.NodeWithKey(key).Value.Value
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.Split(',', StringSplitOptions.RemoveEmptyEntries)
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.Select(terrainInfo.GetTerrainIndex)
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.ToFrozenSet();
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}
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var resourceTypes = map.Rules.Actors[SystemActors.World].TraitInfoOrDefault<ResourceLayerInfo>().ResourceTypes;
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if (!resourceTypes.TryGetValue(my.NodeWithKey("Resource").Value.Value, out Resource))
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throw new YamlException("Resource is not valid");
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PlayableTerrain = ParseTerrainIndexes("PlayableTerrain");
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RockZoneableTerrain = ParseTerrainIndexes("RockZoneableTerrain");
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SandZoneableTerrain = ParseTerrainIndexes("SandZoneableTerrain");
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SegmentedBrushes = MultiBrush.LoadCollection(map, "Segmented");
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SandDetailBrushes = MultiBrush.LoadCollection(map, my.NodeWithKey("SandDetailBrushes").Value.Value);
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DuneBrushes = MultiBrush.LoadCollection(map, my.NodeWithKey("DuneBrushes").Value.Value);
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}
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static object MirrorLoader(MiniYaml my)
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{
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if (Symmetry.TryParseMirror(my.NodeWithKey("Mirror").Value.Value, out var mirror))
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return mirror;
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else
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throw new YamlException($"Invalid Mirror value `{my.NodeWithKey("Mirror").Value.Value}`");
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}
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}
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public IMapGeneratorSettings GetSettings()
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{
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return new MapGeneratorSettings(this, Settings);
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}
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public Map Generate(ModData modData, MapGenerationArgs args)
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{
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var terrainInfo = modData.DefaultTerrainInfo[args.Tileset];
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var size = args.Size;
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var map = new Map(modData, terrainInfo, size);
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var actorPlans = new List<ActorPlan>();
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var param = new Parameters(map, args.Settings);
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var terraformer = new Terraformer(args, map, modData, actorPlans, param.Mirror, param.Rotations);
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var sandZone = new Terraformer.PathPartitionZone()
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{
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ShouldTile = false,
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SegmentType = param.SandSegmentType,
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MinimumLength = param.MinimumSandLength,
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};
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var rockSmoothZone = new Terraformer.PathPartitionZone()
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{
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SegmentType = param.RockSmoothSegmentType,
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MinimumLength = param.MinimumRockSmoothLength,
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MaximumDeviation = 10,
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};
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var sandRockCliffZone = new Terraformer.PathPartitionZone()
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{
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SegmentType = param.SandRockCliffSegmentType,
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MinimumLength = param.MinimumSandRockCliffLength,
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MaximumDeviation = 10,
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};
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var sandSandCliffZone = new Terraformer.PathPartitionZone()
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{
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SegmentType = param.SandSandCliffSegmentType,
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MinimumLength = param.MinimumSandSandCliffLength,
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MaximumDeviation = 10,
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};
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// Use `random` to derive separate independent random number generators.
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//
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// This prevents changes in one part of the algorithm from affecting randomness in
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// other parts.
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//
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// In order to maximize stability, additions should be appended only. Disused
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// derivatives may be deleted but should be replaced with their unused call to
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// random.Next(). All generators should be created unconditionally.
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var random = new MersenneTwister(param.Seed);
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var pickAnyRandom = new MersenneTwister(random.Next());
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var elevationRandom = new MersenneTwister(random.Next());
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var rockTilingRandom = new MersenneTwister(random.Next());
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var sandSandCliffTilingRandom = new MersenneTwister(random.Next());
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var playerRandom = new MersenneTwister(random.Next());
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var expansionRandom = new MersenneTwister(random.Next());
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var resourceRandom = new MersenneTwister(random.Next());
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var sandDetailRandom = new MersenneTwister(random.Next());
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var topologyRandom = new MersenneTwister(random.Next());
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var sandDetailTilingRandom = new MersenneTwister(random.Next());
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var duneRandom = new MersenneTwister(random.Next());
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var duneTilingRandom = new MersenneTwister(random.Next());
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terraformer.InitMap();
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// Clear map to random sand
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foreach (var mpos in map.AllCells.MapCoords)
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map.Tiles[mpos] = terraformer.PickTile(pickAnyRandom, param.SandTile);
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var elevation = terraformer.ElevationNoiseMatrix(
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elevationRandom,
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param.TerrainFeatureSize,
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param.TerrainSmoothing);
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var roughnessMatrix = MatrixUtils.GridVariance(
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elevation,
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param.RoughnessRadius);
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// Rock generation
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CellLayer<Terraformer.Side> rockSmoothSand;
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{
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var cliffMask = MatrixUtils.CalibratedBooleanThreshold(
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roughnessMatrix,
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param.RockRoughness, FractionMax);
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var plan = terraformer.SliceElevation(elevation, null, param.Rock);
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plan = MatrixUtils.BooleanBlotch(
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plan,
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param.TerrainSmoothing,
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param.SmoothingThreshold, /*smoothingThresholdOutOf=*/FractionMax,
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param.MinimumRockSandThickness,
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true);
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var contours = MatrixUtils.BordersToPoints(plan);
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var partitionMask = cliffMask.Map(masked => masked ? sandRockCliffZone : rockSmoothZone);
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var tilingPaths = terraformer.PartitionPaths(
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contours,
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[rockSmoothZone, sandRockCliffZone],
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partitionMask,
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param.SegmentedBrushes,
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param.MinimumRockStraight);
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foreach (var tilingPath in tilingPaths)
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tilingPath
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.OptimizeLoop()
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.ExtendEdge(4);
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rockSmoothSand = terraformer.PaintLoopsAndFill(
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rockTilingRandom,
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tilingPaths,
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plan[0] ? Terraformer.Side.In : Terraformer.Side.Out,
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null,
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[new MultiBrush().WithTemplate(map, param.RockTile, CVec.Zero)])
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?? throw new MapGenerationException("Could not fit tiles for rock platforms");
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}
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// Sand cliff generation
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if (param.SandCliffs > 0)
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{
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var inverseElevation = elevation.Map(v => -v);
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var cliffMask = MatrixUtils.CalibratedBooleanThreshold(
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roughnessMatrix,
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param.SandRoughness, FractionMax);
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var plan = terraformer.SliceElevation(
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inverseElevation,
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CellLayerUtils.ToMatrix(rockSmoothSand, Terraformer.Side.Out)
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.Map(s => s == Terraformer.Side.Out),
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param.SandCliffs,
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param.SandContourSpacing);
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plan = MatrixUtils.BooleanBlotch(
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plan,
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param.TerrainSmoothing,
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param.SmoothingThreshold, /*smoothingThresholdOutOf=*/FractionMax,
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param.MinimumSandCliffThickness,
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true);
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var contours = MatrixUtils.BordersToPoints(plan);
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var partitionMask = cliffMask.Map(masked => masked ? sandSandCliffZone : sandZone);
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var tilingPaths = terraformer.PartitionPaths(
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contours,
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[sandSandCliffZone, sandZone],
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partitionMask,
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param.SegmentedBrushes,
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param.MinimumSandCliffStraight);
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foreach (var tilingPath in tilingPaths)
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{
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var brush = tilingPath
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.OptimizeLoop()
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.ExtendEdge(4)
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.SetAutoEndDeviation()
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.Tile(sandSandCliffTilingRandom)
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?? throw new MapGenerationException("Could not fit tiles for sand-sand cliffs");
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terraformer.PaintTiling(pickAnyRandom, brush);
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}
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}
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// Sand Detail
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if (param.SandDetail > 0)
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{
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var space = terraformer.CheckSpace(param.PlayableTerrain);
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var passages = terraformer.PlanPassages(
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topologyRandom,
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terraformer.ImproveSymmetry(space, true, (a, b) => a && b),
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param.SandDetailCutout,
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param.MaximumSandDetailCutoutSpacing);
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var plan = terraformer.BooleanNoise(
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sandDetailRandom,
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param.SandDetailFeatureSize,
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param.SandDetail,
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param.SandDetailClumpiness);
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plan = CellLayerUtils.Subtract([
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CellLayerUtils.Intersect([
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plan,
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terraformer.CheckSpace(param.SandTile, true)]),
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passages]);
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terraformer.PaintArea(
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sandDetailTilingRandom,
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CellLayerUtils.Map(plan, p => p ? MultiBrush.Replaceability.Any : MultiBrush.Replaceability.None),
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param.SandDetailBrushes,
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true);
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}
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// Dunes
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if (param.Dunes > 0)
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{
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var duneNoise = terraformer.ElevationNoiseMatrix(
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duneRandom,
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param.DuneFeatureSize,
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param.DuneSmoothing);
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var duneable = terraformer.CheckSpace(param.SandTile, true);
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duneable = terraformer.ImproveSymmetry(duneable, true, (a, b) => a && b);
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var plan = terraformer.SliceElevation(
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duneNoise,
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CellLayerUtils.ToMatrix(duneable, true),
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param.Dunes,
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param.DuneContourSpacing);
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plan = MatrixUtils.BooleanBlotch(
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plan,
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param.DuneSmoothing,
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param.SmoothingThreshold, /*smoothingThresholdOutOf=*/FractionMax,
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param.MinimumDuneThickness,
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false);
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var contours = CellLayerUtils.FromMatrixPoints(
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MatrixUtils.BordersToPoints(plan),
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map.Tiles);
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var tilingPaths = contours
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.Select(contour =>
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TilingPath.QuickCreate(
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map,
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param.SegmentedBrushes,
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contour,
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(param.MinimumDuneThickness - 1) / 2,
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param.DuneSegmentType,
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param.DuneSegmentType)
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.ExtendEdge(4))
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.ToArray();
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_ = terraformer.PaintLoopsAndFill(
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duneTilingRandom,
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tilingPaths,
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plan[0] ? Terraformer.Side.In : Terraformer.Side.Out,
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null,
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param.DuneBrushes)
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?? throw new MapGenerationException("Could not fit tiles for rock platforms");
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}
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if (param.CreateEntities)
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{
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var playable = terraformer.ChoosePlayableRegion(
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terraformer.CheckSpace(param.PlayableTerrain, true, false, true),
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null)
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?? throw new MapGenerationException("could not find a playable region");
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var rockZoneable = terraformer.GetZoneable(param.RockZoneableTerrain, playable);
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var (regions, regionMask) = terraformer.FindRegions(rockZoneable, DirectionExts.Spread8CVec);
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var acceptableRegions = regions
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.Where(r => r.Area >= param.MinimumSpawnRockArea)
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.Select(r => r.Id)
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.ToHashSet();
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if (acceptableRegions.Count == 0)
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throw new MapGenerationException("rocks are not big enough for players");
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rockZoneable = CellLayerUtils.Intersect([
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rockZoneable,
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CellLayerUtils.Map(regionMask, acceptableRegions.Contains)]);
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var sandZoneable = terraformer.GetZoneable(param.SandZoneableTerrain, playable);
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var spiceZoneable = CellLayerUtils.Clone(sandZoneable);
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var sandZoneableArea = sandZoneable.Count(v => v);
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|
|
|
var symmetryCount = Symmetry.RotateAndMirrorProjectionCount(param.Rotations, param.Mirror);
|
|
var entityMultiplier =
|
|
(long)sandZoneableArea * param.AreaEntityBonus +
|
|
(long)param.Players * param.PlayerCountEntityBonus;
|
|
var perSymmetryEntityMultiplier = entityMultiplier / symmetryCount;
|
|
|
|
// Spawn generation
|
|
var symmetryPlayers = param.Players / symmetryCount;
|
|
for (var iteration = 0; iteration < symmetryPlayers; iteration++)
|
|
{
|
|
var chosenCPos = terraformer.ChooseSpawnInZoneable(
|
|
playerRandom,
|
|
rockZoneable,
|
|
param.CentralSpawnReservationFraction,
|
|
param.MinimumSpawnRadius,
|
|
param.SpawnRegionSize,
|
|
param.SpawnReservation)
|
|
?? throw new MapGenerationException("Not enough room for player spawns");
|
|
|
|
var spawn = new ActorPlan(map, "mpspawn")
|
|
{
|
|
Location = chosenCPos,
|
|
};
|
|
|
|
terraformer.ProjectPlaceDezoneActor(spawn, rockZoneable, new WDist(param.SpawnReservation * 1024));
|
|
}
|
|
|
|
// Close-to-player spice bloom spawn generation
|
|
if (param.BiasedResourceSpawns > 0)
|
|
{
|
|
// Biased blooms
|
|
var walkingDistances = terraformer.TargetWalkingDistance(
|
|
playable,
|
|
terraformer.ErodeZones(sandZoneable, param.ResourceSpawnSpacing),
|
|
terraformer.ActorsOfType("mpspawn").Select(a => a.Location),
|
|
new WDist(0),
|
|
new WDist(1024000));
|
|
for (var i = 0; i < param.BiasedResourceSpawns; i++)
|
|
{
|
|
var (chosenMpos, score) = CellLayerUtils.FindRandomBest(
|
|
walkingDistances,
|
|
expansionRandom,
|
|
(a, b) => a.CompareTo(b));
|
|
if (score == -int.MaxValue)
|
|
throw new MapGenerationException("failed to place spice blooms near players");
|
|
|
|
terraformer.ProjectPlaceDezoneActor(
|
|
new ActorPlan(map, param.ResourceSpawn)
|
|
{
|
|
Location = chosenMpos.ToCPos(map),
|
|
},
|
|
sandZoneable,
|
|
new WDist(param.ResourceSpawnReservation * 1024));
|
|
foreach (var mpos in map.AllCells.MapCoords)
|
|
if (!sandZoneable[mpos])
|
|
walkingDistances[mpos] = -int.MaxValue;
|
|
}
|
|
}
|
|
|
|
// Unbiased spice bloom spawn generation
|
|
{
|
|
var targetResourceSpawnCount = (int)(param.UnbiasedResourceSpawns * perSymmetryEntityMultiplier / EntityBonusMax);
|
|
for (var i = 0; i < targetResourceSpawnCount; i++)
|
|
{
|
|
var added = terraformer.AddActor(
|
|
expansionRandom,
|
|
sandZoneable,
|
|
param.ResourceSpawn,
|
|
new WDist(param.ResourceSpawnReservation * 1024));
|
|
if (!added)
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Worms
|
|
{
|
|
var targetWormSpawnCount = (int)(param.WormSpawns * perSymmetryEntityMultiplier / EntityBonusMax);
|
|
for (var i = 0; i < targetWormSpawnCount; i++)
|
|
{
|
|
var added = terraformer.AddActor(
|
|
expansionRandom,
|
|
sandZoneable,
|
|
param.WormSpawn,
|
|
new WDist(param.WormSpawnReservation * 1024));
|
|
if (!added)
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Grow resources
|
|
var targetResourceValue = param.ResourcesPerPlayer * entityMultiplier / EntityBonusMax;
|
|
if (targetResourceValue > 0)
|
|
{
|
|
var resourcePattern = terraformer.ResourceNoise(
|
|
resourceRandom,
|
|
param.ResourceFeatureSize,
|
|
param.ResourceClumpiness,
|
|
param.ResourceUniformity * 1024 / FractionMax);
|
|
|
|
var resourceBiases = new List<Terraformer.ResourceBias>();
|
|
|
|
// Bias towards resource spawns
|
|
resourceBiases.AddRange(
|
|
terraformer.ActorsOfType(param.ResourceSpawn)
|
|
.Select(a => new Terraformer.ResourceBias(a)
|
|
{
|
|
BiasRadius = new WDist(16 * 1024),
|
|
Bias = (value, rSq) => value + (int)(1024 * 1024 / (1024 + Exts.ISqrt(rSq))),
|
|
}));
|
|
|
|
var (plan, typePlan) = terraformer.PlanResources(
|
|
resourcePattern,
|
|
spiceZoneable,
|
|
param.Resource,
|
|
resourceBiases);
|
|
terraformer.GrowResources(
|
|
plan,
|
|
typePlan,
|
|
targetResourceValue);
|
|
terraformer.ZoneFromResources(sandZoneable, false);
|
|
}
|
|
}
|
|
|
|
terraformer.ReorderPlayerSpawns();
|
|
terraformer.BakeMap();
|
|
|
|
return map;
|
|
}
|
|
|
|
public override object Create(ActorInitializer init)
|
|
{
|
|
return new D2kMapGenerator(this);
|
|
}
|
|
}
|
|
|
|
public class D2kMapGenerator : IEditorTool
|
|
{
|
|
public string Label { get; }
|
|
public string PanelWidget { get; }
|
|
public TraitInfo TraitInfo { get; }
|
|
public bool IsEnabled => true;
|
|
|
|
public D2kMapGenerator(D2kMapGeneratorInfo info)
|
|
{
|
|
Label = info.Name;
|
|
PanelWidget = info.PanelWidget;
|
|
TraitInfo = info;
|
|
}
|
|
}
|
|
}
|