62ab6ae6f1
This allows callers to efficiently enumerate these returned collections without the allocation and overhead imposed by the IEnumerable interface. All implementations were already returning arrays, so this only required a signature change.
1008 lines
34 KiB
C#
1008 lines
34 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2017 The OpenRA Developers (see AUTHORS)
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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.Generic;
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using System.Drawing;
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using System.Linq;
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using OpenRA.Activities;
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using OpenRA.Mods.Common.Activities;
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using OpenRA.Mods.Common.Effects;
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using OpenRA.Mods.Common.Pathfinder;
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using OpenRA.Primitives;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[Flags]
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public enum CellConditions
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{
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None = 0,
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TransientActors,
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BlockedByMovers,
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All = TransientActors | BlockedByMovers
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}
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public static class CellConditionsExts
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{
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public static bool HasCellCondition(this CellConditions c, CellConditions cellCondition)
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{
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// PERF: Enum.HasFlag is slower and requires allocations.
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return (c & cellCondition) == cellCondition;
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}
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}
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public static class CustomMovementLayerType
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{
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public const byte Tunnel = 1;
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public const byte Subterranean = 2;
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public const byte Jumpjet = 3;
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public const byte ElevatedBridge = 4;
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}
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[Desc("Unit is able to move.")]
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public class MobileInfo : ConditionalTraitInfo, IMoveInfo, IPositionableInfo, IFacingInfo,
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UsesInit<FacingInit>, UsesInit<LocationInit>, UsesInit<SubCellInit>, IActorPreviewInitInfo
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{
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[FieldLoader.LoadUsing("LoadSpeeds", true)]
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[Desc("Set Water: 0 for ground units and lower the value on rough terrain.")]
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public readonly Dictionary<string, TerrainInfo> TerrainSpeeds;
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[Desc("e.g. crate, wall, infantry")]
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public readonly HashSet<string> Crushes = new HashSet<string>();
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public readonly int WaitAverage = 5;
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public readonly int WaitSpread = 2;
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public readonly int InitialFacing = 0;
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[Desc("Speed at which the actor turns.")]
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public readonly int TurnSpeed = 255;
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public readonly int Speed = 1;
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[Desc("Allow multiple (infantry) units in one cell.")]
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public readonly bool SharesCell = false;
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[Desc("Can the actor be ordered to move in to shroud?")]
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public readonly bool MoveIntoShroud = true;
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public readonly string Cursor = "move";
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public readonly string BlockedCursor = "move-blocked";
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[VoiceReference] public readonly string Voice = "Action";
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[GrantedConditionReference]
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[Desc("The condition to grant to self while inside a tunnel.")]
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public readonly string TunnelCondition = null;
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[Desc("Can this unit move underground?")]
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public readonly bool Subterranean = false;
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[GrantedConditionReference]
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[Desc("The condition to grant to self while underground.")]
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public readonly string SubterraneanCondition = null;
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[Desc("Pathfinding cost for submerging or reemerging.")]
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public readonly int SubterraneanTransitionCost = 0;
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[Desc("The terrain types that this actor can transition on. Leave empty to allow any.")]
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public readonly HashSet<string> SubterraneanTransitionTerrainTypes = new HashSet<string>();
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[Desc("Can this actor transition on slopes?")]
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public readonly bool SubterraneanTransitionOnRamps = false;
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[Desc("Depth at which the subterranian condition is applied.")]
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public readonly WDist SubterraneanTransitionDepth = new WDist(-1024);
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[Desc("Dig animation image to play when transitioning.")]
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public readonly string SubterraneanTransitionImage = null;
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[SequenceReference("SubterraneanTransitionImage")]
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[Desc("Dig animation image to play when transitioning.")]
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public readonly string SubterraneanTransitionSequence = null;
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[PaletteReference]
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public readonly string SubterraneanTransitionPalette = "effect";
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public readonly string SubterraneanTransitionSound = null;
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[Desc("Can this unit fly over obstacles?")]
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public readonly bool Jumpjet = false;
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[GrantedConditionReference]
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[Desc("The condition to grant to self while flying.")]
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public readonly string JumpjetCondition = null;
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[Desc("Pathfinding cost for taking off or landing.")]
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public readonly int JumpjetTransitionCost = 0;
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[Desc("The terrain types that this actor can transition on. Leave empty to allow any.")]
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public readonly HashSet<string> JumpjetTransitionTerrainTypes = new HashSet<string>();
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[Desc("Can this actor transition on slopes?")]
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public readonly bool JumpjetTransitionOnRamps = true;
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[Desc("Facing to use for actor previews (map editor, color picker, etc)")]
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public readonly int PreviewFacing = 92;
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IEnumerable<object> IActorPreviewInitInfo.ActorPreviewInits(ActorInfo ai, ActorPreviewType type)
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{
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yield return new FacingInit(PreviewFacing);
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}
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public override object Create(ActorInitializer init) { return new Mobile(init, this); }
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static object LoadSpeeds(MiniYaml y)
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{
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var ret = new Dictionary<string, TerrainInfo>();
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foreach (var t in y.ToDictionary()["TerrainSpeeds"].Nodes)
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{
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var speed = FieldLoader.GetValue<int>("speed", t.Value.Value);
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var nodesDict = t.Value.ToDictionary();
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var cost = nodesDict.ContainsKey("PathingCost")
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? FieldLoader.GetValue<int>("cost", nodesDict["PathingCost"].Value)
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: 10000 / speed;
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ret.Add(t.Key, new TerrainInfo(speed, cost));
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}
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return ret;
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}
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TerrainInfo[] LoadTilesetSpeeds(TileSet tileSet)
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{
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var info = new TerrainInfo[tileSet.TerrainInfo.Length];
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for (var i = 0; i < info.Length; i++)
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info[i] = TerrainInfo.Impassable;
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foreach (var kvp in TerrainSpeeds)
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{
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byte index;
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if (tileSet.TryGetTerrainIndex(kvp.Key, out index))
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info[index] = kvp.Value;
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}
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return info;
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}
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public class TerrainInfo
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{
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public static readonly TerrainInfo Impassable = new TerrainInfo();
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public readonly int Cost;
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public readonly int Speed;
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public TerrainInfo()
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{
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Cost = int.MaxValue;
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Speed = 0;
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}
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public TerrainInfo(int speed, int cost)
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{
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Speed = speed;
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Cost = cost;
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}
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}
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public struct WorldMovementInfo
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{
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internal readonly World World;
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internal readonly TerrainInfo[] TerrainInfos;
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internal WorldMovementInfo(World world, MobileInfo info)
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{
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// PERF: This struct allows us to cache the terrain info for the tileset used by the world.
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// This allows us to speed up some performance-sensitive pathfinding calculations.
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World = world;
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TerrainInfos = info.TilesetTerrainInfo[world.Map.Rules.TileSet];
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}
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}
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public readonly Cache<TileSet, TerrainInfo[]> TilesetTerrainInfo;
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public readonly Cache<TileSet, int> TilesetMovementClass;
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public MobileInfo()
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{
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TilesetTerrainInfo = new Cache<TileSet, TerrainInfo[]>(LoadTilesetSpeeds);
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TilesetMovementClass = new Cache<TileSet, int>(CalculateTilesetMovementClass);
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}
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public int MovementCostForCell(World world, CPos cell)
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{
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return MovementCostForCell(world, TilesetTerrainInfo[world.Map.Rules.TileSet], cell);
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}
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int MovementCostForCell(World world, TerrainInfo[] terrainInfos, CPos cell)
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{
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if (!world.Map.Contains(cell))
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return int.MaxValue;
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var index = cell.Layer == 0 ? world.Map.GetTerrainIndex(cell) :
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world.GetCustomMovementLayers()[cell.Layer].GetTerrainIndex(cell);
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if (index == byte.MaxValue)
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return int.MaxValue;
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return terrainInfos[index].Cost;
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}
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public int CalculateTilesetMovementClass(TileSet tileset)
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{
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// collect our ability to cross *all* terraintypes, in a bitvector
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return TilesetTerrainInfo[tileset].Select(ti => ti.Cost < int.MaxValue).ToBits();
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}
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public int GetMovementClass(TileSet tileset)
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{
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return TilesetMovementClass[tileset];
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}
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static bool IsMovingInMyDirection(Actor self, Actor other)
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{
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var otherMobile = other.TraitOrDefault<Mobile>();
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if (otherMobile == null || !otherMobile.IsMoving)
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return false;
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var selfMobile = self.TraitOrDefault<Mobile>();
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if (selfMobile == null)
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return false;
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// Moving in the same direction if the facing delta is between +/- 90 degrees
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var delta = Util.NormalizeFacing(otherMobile.Facing - selfMobile.Facing);
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return delta < 64 || delta > 192;
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}
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public int TileSetMovementHash(TileSet tileSet)
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{
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var terrainInfos = TilesetTerrainInfo[tileSet];
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// Compute and return the hash using aggregate
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return terrainInfos.Aggregate(terrainInfos.Length,
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(current, terrainInfo) => unchecked(current * 31 + terrainInfo.Cost));
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}
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public bool CanEnterCell(World world, Actor self, CPos cell, Actor ignoreActor = null, bool checkTransientActors = true)
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{
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if (MovementCostForCell(world, cell) == int.MaxValue)
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return false;
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var check = checkTransientActors ? CellConditions.All : CellConditions.BlockedByMovers;
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return CanMoveFreelyInto(world, self, cell, ignoreActor, check);
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}
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// Determines whether the actor is blocked by other Actors
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public bool CanMoveFreelyInto(World world, Actor self, CPos cell, Actor ignoreActor, CellConditions check)
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{
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if (!check.HasCellCondition(CellConditions.TransientActors))
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return true;
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if (SharesCell && world.ActorMap.HasFreeSubCell(cell))
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return true;
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// PERF: Avoid LINQ.
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foreach (var otherActor in world.ActorMap.GetActorsAt(cell))
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if (IsBlockedBy(self, otherActor, ignoreActor, check))
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return false;
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return true;
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}
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bool IsBlockedBy(Actor self, Actor otherActor, Actor ignoreActor, CellConditions check)
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{
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// We are not blocked by the actor we are ignoring.
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if (otherActor == ignoreActor)
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return false;
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// If self is null, we don't have a real actor - we're just checking what would happen theoretically.
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// In such a scenario - we'll just assume any other actor in the cell will block us by default.
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// If we have a real actor, we can then perform the extra checks that allow us to avoid being blocked.
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if (self == null)
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return true;
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// If the check allows: we are not blocked by allied units moving in our direction.
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if (!check.HasCellCondition(CellConditions.BlockedByMovers) &&
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self.Owner.Stances[otherActor.Owner] == Stance.Ally &&
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IsMovingInMyDirection(self, otherActor))
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return false;
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// If there is a temporary blocker in our path, but we can remove it, we are not blocked.
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var temporaryBlocker = otherActor.TraitOrDefault<ITemporaryBlocker>();
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if (temporaryBlocker != null && temporaryBlocker.CanRemoveBlockage(otherActor, self))
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return false;
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// If we cannot crush the other actor in our way, we are blocked.
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if (Crushes == null || Crushes.Count == 0)
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return true;
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// If the other actor in our way cannot be crushed, we are blocked.
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// PERF: Avoid LINQ.
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var crushables = otherActor.TraitsImplementing<ICrushable>();
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var lacksCrushability = true;
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foreach (var crushable in crushables)
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{
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lacksCrushability = false;
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if (!crushable.CrushableBy(otherActor, self, Crushes))
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return true;
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}
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// If there are no crushable traits at all, this means the other actor cannot be crushed - we are blocked.
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if (lacksCrushability)
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return true;
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// We are not blocked by the other actor.
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return false;
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}
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public WorldMovementInfo GetWorldMovementInfo(World world)
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{
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return new WorldMovementInfo(world, this);
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}
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public int MovementCostToEnterCell(WorldMovementInfo worldMovementInfo, Actor self, CPos cell, Actor ignoreActor = null, CellConditions check = CellConditions.All)
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{
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var cost = MovementCostForCell(worldMovementInfo.World, worldMovementInfo.TerrainInfos, cell);
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if (cost == int.MaxValue || !CanMoveFreelyInto(worldMovementInfo.World, self, cell, ignoreActor, check))
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return int.MaxValue;
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return cost;
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}
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public SubCell GetAvailableSubCell(
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World world, Actor self, CPos cell, SubCell preferredSubCell = SubCell.Any, Actor ignoreActor = null, CellConditions check = CellConditions.All)
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{
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if (MovementCostForCell(world, cell) == int.MaxValue)
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return SubCell.Invalid;
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if (check.HasCellCondition(CellConditions.TransientActors))
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{
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Func<Actor, bool> checkTransient = otherActor => IsBlockedBy(self, otherActor, ignoreActor, check);
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if (!SharesCell)
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return world.ActorMap.AnyActorsAt(cell, SubCell.FullCell, checkTransient) ? SubCell.Invalid : SubCell.FullCell;
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return world.ActorMap.FreeSubCell(cell, preferredSubCell, checkTransient);
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}
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if (!SharesCell)
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return world.ActorMap.AnyActorsAt(cell, SubCell.FullCell) ? SubCell.Invalid : SubCell.FullCell;
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return world.ActorMap.FreeSubCell(cell, preferredSubCell);
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}
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public int GetInitialFacing() { return InitialFacing; }
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public IReadOnlyDictionary<CPos, SubCell> OccupiedCells(ActorInfo info, CPos location, SubCell subCell = SubCell.Any)
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{
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return new ReadOnlyDictionary<CPos, SubCell>(new Dictionary<CPos, SubCell>() { { location, subCell } });
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}
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bool IOccupySpaceInfo.SharesCell { get { return SharesCell; } }
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}
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public class Mobile : ConditionalTrait<MobileInfo>, INotifyCreated, IIssueOrder, IResolveOrder, IOrderVoice, IPositionable, IMove,
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IFacing, IDeathActorInitModifier, INotifyAddedToWorld, INotifyRemovedFromWorld, INotifyBlockingMove, IActorPreviewInitModifier, INotifyBecomingIdle
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{
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const int AverageTicksBeforePathing = 5;
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const int SpreadTicksBeforePathing = 5;
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internal int TicksBeforePathing = 0;
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readonly Actor self;
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readonly Lazy<IEnumerable<int>> speedModifiers;
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public bool IsMoving { get; set; }
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public bool IsMovingVertically { get { return false; } set { } }
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int facing;
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CPos fromCell, toCell;
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public SubCell FromSubCell, ToSubCell;
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int tunnelToken = ConditionManager.InvalidConditionToken;
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int subterraneanToken = ConditionManager.InvalidConditionToken;
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int jumpjetToken = ConditionManager.InvalidConditionToken;
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ConditionManager conditionManager;
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[Sync] public int Facing
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{
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get { return facing; }
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set { facing = value; }
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}
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public int TurnSpeed { get { return Info.TurnSpeed; } }
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[Sync] public WPos CenterPosition { get; private set; }
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[Sync] public CPos FromCell { get { return fromCell; } }
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[Sync] public CPos ToCell { get { return toCell; } }
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[Sync] public int PathHash; // written by Move.EvalPath, to temporarily debug this crap.
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// Sets only the location (fromCell, toCell, FromSubCell, ToSubCell)
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public void SetLocation(CPos from, SubCell fromSub, CPos to, SubCell toSub)
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{
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if (FromCell == from && ToCell == to && FromSubCell == fromSub && ToSubCell == toSub)
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return;
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RemoveInfluence();
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fromCell = from;
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toCell = to;
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FromSubCell = fromSub;
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ToSubCell = toSub;
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AddInfluence();
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// Tunnel condition is added/removed when starting the transition between layers
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if (toCell.Layer == CustomMovementLayerType.Tunnel && conditionManager != null &&
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!string.IsNullOrEmpty(Info.TunnelCondition) && tunnelToken == ConditionManager.InvalidConditionToken)
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tunnelToken = conditionManager.GrantCondition(self, Info.TunnelCondition);
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else if (toCell.Layer != CustomMovementLayerType.Tunnel && tunnelToken != ConditionManager.InvalidConditionToken)
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tunnelToken = conditionManager.RevokeCondition(self, tunnelToken);
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// Play submerging animation as soon as it starts to submerge (before applying the condition)
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if (toCell.Layer == CustomMovementLayerType.Subterranean && fromCell.Layer != CustomMovementLayerType.Subterranean)
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{
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if (!string.IsNullOrEmpty(Info.SubterraneanTransitionSequence))
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self.World.AddFrameEndTask(w => w.Add(new SpriteEffect(self.World.Map.CenterOfCell(fromCell), self.World, Info.SubterraneanTransitionImage,
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Info.SubterraneanTransitionSequence, Info.SubterraneanTransitionPalette)));
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if (!string.IsNullOrEmpty(Info.SubterraneanTransitionSound))
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Game.Sound.Play(SoundType.World, Info.SubterraneanTransitionSound);
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}
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// Grant the jumpjet condition as soon as the actor starts leaving the ground layer
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// The condition is revoked from FinishedMoving
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if (toCell.Layer == CustomMovementLayerType.Jumpjet && conditionManager != null &&
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!string.IsNullOrEmpty(Info.JumpjetCondition) && jumpjetToken == ConditionManager.InvalidConditionToken)
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jumpjetToken = conditionManager.GrantCondition(self, Info.JumpjetCondition);
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}
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public Mobile(ActorInitializer init, MobileInfo info)
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: base(info)
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{
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self = init.Self;
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speedModifiers = Exts.Lazy(() => self.TraitsImplementing<ISpeedModifier>().ToArray().Select(x => x.GetSpeedModifier()));
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ToSubCell = FromSubCell = info.SharesCell ? init.World.Map.Grid.DefaultSubCell : SubCell.FullCell;
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if (init.Contains<SubCellInit>())
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FromSubCell = ToSubCell = init.Get<SubCellInit, SubCell>();
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if (init.Contains<LocationInit>())
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{
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fromCell = toCell = init.Get<LocationInit, CPos>();
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SetVisualPosition(self, init.World.Map.CenterOfSubCell(FromCell, FromSubCell));
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}
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Facing = init.Contains<FacingInit>() ? init.Get<FacingInit, int>() : info.InitialFacing;
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// Sets the visual position to WPos accuracy
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// Use LocationInit if you want to insert the actor into the ActorMap!
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if (init.Contains<CenterPositionInit>())
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SetVisualPosition(self, init.Get<CenterPositionInit, WPos>());
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}
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protected override void Created(Actor self)
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{
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conditionManager = self.TraitOrDefault<ConditionManager>();
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base.Created(self);
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}
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// Returns a valid sub-cell
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public SubCell GetValidSubCell(SubCell preferred = SubCell.Any)
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{
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// Try same sub-cell
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if (preferred == SubCell.Any)
|
|
preferred = FromSubCell;
|
|
|
|
// Fix sub-cell assignment
|
|
if (Info.SharesCell)
|
|
{
|
|
if (preferred <= SubCell.FullCell)
|
|
return self.World.Map.Grid.DefaultSubCell;
|
|
}
|
|
else
|
|
{
|
|
if (preferred != SubCell.FullCell)
|
|
return SubCell.FullCell;
|
|
}
|
|
|
|
return preferred;
|
|
}
|
|
|
|
// Sets the location (fromCell, toCell, FromSubCell, ToSubCell) and visual position (CenterPosition)
|
|
public void SetPosition(Actor self, CPos cell, SubCell subCell = SubCell.Any)
|
|
{
|
|
subCell = GetValidSubCell(subCell);
|
|
SetLocation(cell, subCell, cell, subCell);
|
|
|
|
var position = cell.Layer == 0 ? self.World.Map.CenterOfCell(cell) :
|
|
self.World.GetCustomMovementLayers()[cell.Layer].CenterOfCell(cell);
|
|
|
|
var subcellOffset = self.World.Map.Grid.OffsetOfSubCell(subCell);
|
|
SetVisualPosition(self, position + subcellOffset);
|
|
FinishedMoving(self);
|
|
}
|
|
|
|
// Sets the location (fromCell, toCell, FromSubCell, ToSubCell) and visual position (CenterPosition)
|
|
public void SetPosition(Actor self, WPos pos)
|
|
{
|
|
var cell = self.World.Map.CellContaining(pos);
|
|
SetLocation(cell, FromSubCell, cell, FromSubCell);
|
|
SetVisualPosition(self, self.World.Map.CenterOfSubCell(cell, FromSubCell) + new WVec(0, 0, self.World.Map.DistanceAboveTerrain(pos).Length));
|
|
FinishedMoving(self);
|
|
}
|
|
|
|
// Sets only the visual position (CenterPosition)
|
|
public void SetVisualPosition(Actor self, WPos pos)
|
|
{
|
|
CenterPosition = pos;
|
|
self.World.UpdateMaps(self, this);
|
|
|
|
// HACK: The submerging conditions must be applied part way through a move, and this is the only method that gets called
|
|
// at the right times to detect this
|
|
if (toCell.Layer == CustomMovementLayerType.Subterranean)
|
|
{
|
|
var depth = self.World.Map.DistanceAboveTerrain(self.CenterPosition);
|
|
if (subterraneanToken == ConditionManager.InvalidConditionToken && depth < Info.SubterraneanTransitionDepth && conditionManager != null
|
|
&& !string.IsNullOrEmpty(Info.SubterraneanCondition))
|
|
subterraneanToken = conditionManager.GrantCondition(self, Info.SubterraneanCondition);
|
|
}
|
|
else if (subterraneanToken != ConditionManager.InvalidConditionToken)
|
|
{
|
|
var depth = self.World.Map.DistanceAboveTerrain(self.CenterPosition);
|
|
if (depth > Info.SubterraneanTransitionDepth)
|
|
{
|
|
subterraneanToken = conditionManager.RevokeCondition(self, subterraneanToken);
|
|
|
|
// HACK: the submerging animation and sound won't play if a condition isn't defined
|
|
if (!string.IsNullOrEmpty(Info.SubterraneanTransitionSound))
|
|
Game.Sound.Play(SoundType.World, Info.SubterraneanTransitionSound);
|
|
|
|
if (!string.IsNullOrEmpty(Info.SubterraneanTransitionSequence))
|
|
self.World.AddFrameEndTask(w => w.Add(new SpriteEffect(self.World.Map.CenterOfCell(fromCell), self.World, Info.SubterraneanTransitionImage,
|
|
Info.SubterraneanTransitionSequence, Info.SubterraneanTransitionPalette)));
|
|
}
|
|
}
|
|
}
|
|
|
|
void INotifyAddedToWorld.AddedToWorld(Actor self)
|
|
{
|
|
self.World.AddToMaps(self, this);
|
|
}
|
|
|
|
void INotifyRemovedFromWorld.RemovedFromWorld(Actor self)
|
|
{
|
|
self.World.RemoveFromMaps(self, this);
|
|
}
|
|
|
|
public IEnumerable<IOrderTargeter> Orders { get { yield return new MoveOrderTargeter(self, this); } }
|
|
|
|
// Note: Returns a valid order even if the unit can't move to the target
|
|
public Order IssueOrder(Actor self, IOrderTargeter order, Target target, bool queued)
|
|
{
|
|
if (order is MoveOrderTargeter)
|
|
return new Order("Move", self, target, queued);
|
|
|
|
return null;
|
|
}
|
|
|
|
public CPos NearestMoveableCell(CPos target)
|
|
{
|
|
// Limit search to a radius of 10 tiles
|
|
return NearestMoveableCell(target, 1, 10);
|
|
}
|
|
|
|
public CPos NearestMoveableCell(CPos target, int minRange, int maxRange)
|
|
{
|
|
if (CanEnterCell(target))
|
|
return target;
|
|
|
|
foreach (var tile in self.World.Map.FindTilesInAnnulus(target, minRange, maxRange))
|
|
if (CanEnterCell(tile))
|
|
return tile;
|
|
|
|
// Couldn't find a cell
|
|
return target;
|
|
}
|
|
|
|
public CPos NearestCell(CPos target, Func<CPos, bool> check, int minRange, int maxRange)
|
|
{
|
|
if (check(target))
|
|
return target;
|
|
|
|
foreach (var tile in self.World.Map.FindTilesInAnnulus(target, minRange, maxRange))
|
|
if (check(tile))
|
|
return tile;
|
|
|
|
// Couldn't find a cell
|
|
return target;
|
|
}
|
|
|
|
public void ResolveOrder(Actor self, Order order)
|
|
{
|
|
if (order.OrderString == "Move")
|
|
{
|
|
var loc = self.World.Map.Clamp(order.TargetLocation);
|
|
|
|
if (!Info.MoveIntoShroud && !self.Owner.Shroud.IsExplored(loc))
|
|
return;
|
|
|
|
if (!order.Queued)
|
|
self.CancelActivity();
|
|
|
|
TicksBeforePathing = AverageTicksBeforePathing + self.World.SharedRandom.Next(-SpreadTicksBeforePathing, SpreadTicksBeforePathing);
|
|
|
|
self.SetTargetLine(Target.FromCell(self.World, loc), Color.Green);
|
|
self.QueueActivity(order.Queued, new Move(self, loc, WDist.FromCells(8), null, true));
|
|
}
|
|
|
|
if (order.OrderString == "Stop")
|
|
self.CancelActivity();
|
|
|
|
if (order.OrderString == "Scatter")
|
|
Nudge(self, self, true);
|
|
}
|
|
|
|
public string VoicePhraseForOrder(Actor self, Order order)
|
|
{
|
|
if (!Info.MoveIntoShroud && !self.Owner.Shroud.IsExplored(order.TargetLocation))
|
|
return null;
|
|
|
|
switch (order.OrderString)
|
|
{
|
|
case "Move":
|
|
case "Scatter":
|
|
case "Stop":
|
|
return Info.Voice;
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public CPos TopLeft { get { return ToCell; } }
|
|
|
|
public Pair<CPos, SubCell>[] OccupiedCells()
|
|
{
|
|
if (FromCell == ToCell)
|
|
return new[] { Pair.New(FromCell, FromSubCell) };
|
|
if (CanEnterCell(ToCell))
|
|
return new[] { Pair.New(ToCell, ToSubCell) };
|
|
return new[] { Pair.New(FromCell, FromSubCell), Pair.New(ToCell, ToSubCell) };
|
|
}
|
|
|
|
public bool IsLeavingCell(CPos location, SubCell subCell = SubCell.Any)
|
|
{
|
|
return ToCell != location && fromCell == location
|
|
&& (subCell == SubCell.Any || FromSubCell == subCell || subCell == SubCell.FullCell || FromSubCell == SubCell.FullCell);
|
|
}
|
|
|
|
public SubCell GetAvailableSubCell(CPos a, SubCell preferredSubCell = SubCell.Any, Actor ignoreActor = null, bool checkTransientActors = true)
|
|
{
|
|
return Info.GetAvailableSubCell(self.World, self, a, preferredSubCell, ignoreActor, checkTransientActors ? CellConditions.All : CellConditions.None);
|
|
}
|
|
|
|
public bool CanEnterCell(CPos cell, Actor ignoreActor = null, bool checkTransientActors = true)
|
|
{
|
|
return Info.CanEnterCell(self.World, self, cell, ignoreActor, checkTransientActors);
|
|
}
|
|
|
|
public bool CanMoveFreelyInto(CPos cell, Actor ignoreActor = null, bool checkTransientActors = true)
|
|
{
|
|
return Info.CanMoveFreelyInto(self.World, self, cell, ignoreActor, checkTransientActors ? CellConditions.All : CellConditions.BlockedByMovers);
|
|
}
|
|
|
|
public void EnteringCell(Actor self)
|
|
{
|
|
// Only make actor crush if it is on the ground
|
|
if (!self.IsAtGroundLevel())
|
|
return;
|
|
|
|
var actors = self.World.ActorMap.GetActorsAt(ToCell).Where(a => a != self).ToList();
|
|
if (!AnyCrushables(actors))
|
|
return;
|
|
|
|
var notifiers = actors.SelectMany(a => a.TraitsImplementing<INotifyCrushed>().Select(t => new TraitPair<INotifyCrushed>(a, t)));
|
|
foreach (var notifyCrushed in notifiers)
|
|
notifyCrushed.Trait.WarnCrush(notifyCrushed.Actor, self, Info.Crushes);
|
|
}
|
|
|
|
public void FinishedMoving(Actor self)
|
|
{
|
|
// Need to check both fromCell and toCell because FinishedMoving is called multiple times during the move
|
|
// and that condition guarantees that this only runs when the unit has finished landing.
|
|
if (fromCell.Layer != CustomMovementLayerType.Jumpjet && toCell.Layer != CustomMovementLayerType.Jumpjet && jumpjetToken != ConditionManager.InvalidConditionToken)
|
|
jumpjetToken = conditionManager.RevokeCondition(self, jumpjetToken);
|
|
|
|
// Only make actor crush if it is on the ground
|
|
if (!self.IsAtGroundLevel())
|
|
return;
|
|
|
|
var actors = self.World.ActorMap.GetActorsAt(ToCell).Where(a => a != self).ToList();
|
|
if (!AnyCrushables(actors))
|
|
return;
|
|
|
|
var notifiers = actors.SelectMany(a => a.TraitsImplementing<INotifyCrushed>().Select(t => new TraitPair<INotifyCrushed>(a, t)));
|
|
foreach (var notifyCrushed in notifiers)
|
|
notifyCrushed.Trait.OnCrush(notifyCrushed.Actor, self, Info.Crushes);
|
|
}
|
|
|
|
bool AnyCrushables(List<Actor> actors)
|
|
{
|
|
var crushables = actors.SelectMany(a => a.TraitsImplementing<ICrushable>().Select(t => new TraitPair<ICrushable>(a, t))).ToList();
|
|
if (crushables.Count == 0)
|
|
return false;
|
|
|
|
foreach (var crushes in crushables)
|
|
if (!crushes.Trait.CrushableBy(crushes.Actor, self, Info.Crushes))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
public int MovementSpeedForCell(Actor self, CPos cell)
|
|
{
|
|
var index = cell.Layer == 0 ? self.World.Map.GetTerrainIndex(cell) :
|
|
self.World.GetCustomMovementLayers()[cell.Layer].GetTerrainIndex(cell);
|
|
|
|
if (index == byte.MaxValue)
|
|
return 0;
|
|
|
|
var terrainSpeed = Info.TilesetTerrainInfo[self.World.Map.Rules.TileSet][index].Speed;
|
|
if (terrainSpeed == 0)
|
|
return 0;
|
|
|
|
var modifiers = speedModifiers.Value.Append(terrainSpeed);
|
|
|
|
return Util.ApplyPercentageModifiers(Info.Speed, modifiers);
|
|
}
|
|
|
|
public void AddInfluence()
|
|
{
|
|
if (self.IsInWorld)
|
|
self.World.ActorMap.AddInfluence(self, this);
|
|
}
|
|
|
|
public void RemoveInfluence()
|
|
{
|
|
if (self.IsInWorld)
|
|
self.World.ActorMap.RemoveInfluence(self, this);
|
|
}
|
|
|
|
public void Nudge(Actor self, Actor nudger, bool force)
|
|
{
|
|
if (IsTraitDisabled)
|
|
return;
|
|
|
|
/* initial fairly braindead implementation. */
|
|
if (!force && self.Owner.Stances[nudger.Owner] != Stance.Ally)
|
|
return; /* don't allow ourselves to be pushed around
|
|
* by the enemy! */
|
|
|
|
if (!force && !self.IsIdle)
|
|
return; /* don't nudge if we're busy doing something! */
|
|
|
|
// pick an adjacent available cell.
|
|
var availCells = new List<CPos>();
|
|
var notStupidCells = new List<CPos>();
|
|
|
|
for (var i = -1; i < 2; i++)
|
|
for (var j = -1; j < 2; j++)
|
|
{
|
|
var p = ToCell + new CVec(i, j);
|
|
if (CanEnterCell(p))
|
|
availCells.Add(p);
|
|
else if (p != nudger.Location && p != ToCell)
|
|
notStupidCells.Add(p);
|
|
}
|
|
|
|
var moveTo = availCells.Any() ? availCells.Random(self.World.SharedRandom) : (CPos?)null;
|
|
|
|
if (moveTo.HasValue)
|
|
{
|
|
self.CancelActivity();
|
|
self.SetTargetLine(Target.FromCell(self.World, moveTo.Value), Color.Green, false);
|
|
self.QueueActivity(new Move(self, moveTo.Value, WDist.Zero));
|
|
|
|
Log.Write("debug", "OnNudge #{0} from {1} to {2}",
|
|
self.ActorID, self.Location, moveTo.Value);
|
|
}
|
|
else
|
|
{
|
|
var cellInfo = notStupidCells
|
|
.SelectMany(c => self.World.ActorMap.GetActorsAt(c)
|
|
.Where(a => a.IsIdle && a.Info.HasTraitInfo<MobileInfo>()),
|
|
(c, a) => new { Cell = c, Actor = a })
|
|
.RandomOrDefault(self.World.SharedRandom);
|
|
|
|
if (cellInfo != null)
|
|
{
|
|
self.CancelActivity();
|
|
var notifyBlocking = new CallFunc(() => self.NotifyBlocker(cellInfo.Cell));
|
|
var waitFor = new WaitFor(() => CanEnterCell(cellInfo.Cell));
|
|
var move = new Move(self, cellInfo.Cell);
|
|
self.QueueActivity(ActivityUtils.SequenceActivities(notifyBlocking, waitFor, move));
|
|
|
|
Log.Write("debug", "OnNudge (notify next blocking actor, wait and move) #{0} from {1} to {2}",
|
|
self.ActorID, self.Location, cellInfo.Cell);
|
|
}
|
|
else
|
|
{
|
|
Log.Write("debug", "OnNudge #{0} refuses at {1}",
|
|
self.ActorID, self.Location);
|
|
}
|
|
}
|
|
}
|
|
|
|
public bool CanInteractWithGroundLayer(Actor self)
|
|
{
|
|
// TODO: Think about extending this to support arbitrary layer-layer checks
|
|
// in a way that is compatible with the other IMove types.
|
|
// This would then allow us to e.g. have units attack other units inside tunnels.
|
|
if (ToCell.Layer == 0)
|
|
return true;
|
|
|
|
ICustomMovementLayer layer;
|
|
if (self.World.GetCustomMovementLayers().TryGetValue(ToCell.Layer, out layer))
|
|
return layer.InteractsWithDefaultLayer;
|
|
|
|
return true;
|
|
}
|
|
|
|
void IActorPreviewInitModifier.ModifyActorPreviewInit(Actor self, TypeDictionary inits)
|
|
{
|
|
if (!inits.Contains<DynamicFacingInit>() && !inits.Contains<FacingInit>())
|
|
inits.Add(new DynamicFacingInit(() => facing));
|
|
}
|
|
|
|
class MoveOrderTargeter : IOrderTargeter
|
|
{
|
|
readonly Mobile mobile;
|
|
readonly bool rejectMove;
|
|
public bool TargetOverridesSelection(TargetModifiers modifiers)
|
|
{
|
|
return modifiers.HasModifier(TargetModifiers.ForceMove);
|
|
}
|
|
|
|
public MoveOrderTargeter(Actor self, Mobile unit)
|
|
{
|
|
mobile = unit;
|
|
rejectMove = !self.AcceptsOrder("Move");
|
|
}
|
|
|
|
public string OrderID { get { return "Move"; } }
|
|
public int OrderPriority { get { return 4; } }
|
|
public bool IsQueued { get; protected set; }
|
|
|
|
public bool CanTarget(Actor self, Target target, List<Actor> othersAtTarget, ref TargetModifiers modifiers, ref string cursor)
|
|
{
|
|
if (rejectMove || target.Type != TargetType.Terrain)
|
|
return false;
|
|
|
|
var location = self.World.Map.CellContaining(target.CenterPosition);
|
|
IsQueued = modifiers.HasModifier(TargetModifiers.ForceQueue);
|
|
|
|
var explored = self.Owner.Shroud.IsExplored(location);
|
|
cursor = self.World.Map.Contains(location) ?
|
|
(self.World.Map.GetTerrainInfo(location).CustomCursor ?? mobile.Info.Cursor) : mobile.Info.BlockedCursor;
|
|
|
|
if (mobile.IsTraitDisabled
|
|
|| (!explored && !mobile.Info.MoveIntoShroud)
|
|
|| (explored && mobile.Info.MovementCostForCell(self.World, location) == int.MaxValue))
|
|
cursor = mobile.Info.BlockedCursor;
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
public Activity ScriptedMove(CPos cell) { return new Move(self, cell); }
|
|
public Activity MoveTo(CPos cell, int nearEnough) { return new Move(self, cell, WDist.FromCells(nearEnough)); }
|
|
public Activity MoveTo(CPos cell, Actor ignoreActor) { return new Move(self, cell, WDist.Zero, ignoreActor); }
|
|
public Activity MoveWithinRange(Target target, WDist range) { return new MoveWithinRange(self, target, WDist.Zero, range); }
|
|
public Activity MoveWithinRange(Target target, WDist minRange, WDist maxRange) { return new MoveWithinRange(self, target, minRange, maxRange); }
|
|
public Activity MoveFollow(Actor self, Target target, WDist minRange, WDist maxRange) { return new Follow(self, target, minRange, maxRange); }
|
|
public Activity MoveTo(Func<List<CPos>> pathFunc) { return new Move(self, pathFunc); }
|
|
|
|
void INotifyBlockingMove.OnNotifyBlockingMove(Actor self, Actor blocking)
|
|
{
|
|
if (self.IsIdle && self.AppearsFriendlyTo(blocking))
|
|
Nudge(self, blocking, true);
|
|
}
|
|
|
|
public Activity MoveIntoWorld(Actor self, CPos cell, SubCell subCell = SubCell.Any)
|
|
{
|
|
var pos = self.CenterPosition;
|
|
|
|
if (subCell == SubCell.Any)
|
|
subCell = Info.SharesCell ? self.World.ActorMap.FreeSubCell(cell, subCell) : SubCell.FullCell;
|
|
|
|
// TODO: solve/reduce cell is full problem
|
|
if (subCell == SubCell.Invalid)
|
|
subCell = self.World.Map.Grid.DefaultSubCell;
|
|
|
|
// Reserve the exit cell
|
|
SetPosition(self, cell, subCell);
|
|
SetVisualPosition(self, pos);
|
|
|
|
return VisualMove(self, pos, self.World.Map.CenterOfSubCell(cell, subCell), cell);
|
|
}
|
|
|
|
public Activity MoveToTarget(Actor self, Target target)
|
|
{
|
|
if (target.Type == TargetType.Invalid)
|
|
return null;
|
|
|
|
return new MoveAdjacentTo(self, target);
|
|
}
|
|
|
|
public Activity MoveIntoTarget(Actor self, Target target)
|
|
{
|
|
if (target.Type == TargetType.Invalid)
|
|
return null;
|
|
|
|
return VisualMove(self, self.CenterPosition, target.Positions.PositionClosestTo(self.CenterPosition));
|
|
}
|
|
|
|
public bool CanEnterTargetNow(Actor self, Target target)
|
|
{
|
|
return self.Location == self.World.Map.CellContaining(target.CenterPosition) || Util.AdjacentCells(self.World, target).Any(c => c == self.Location);
|
|
}
|
|
|
|
public Activity VisualMove(Actor self, WPos fromPos, WPos toPos)
|
|
{
|
|
return VisualMove(self, fromPos, toPos, self.Location);
|
|
}
|
|
|
|
public Activity VisualMove(Actor self, WPos fromPos, WPos toPos, CPos cell)
|
|
{
|
|
var speed = MovementSpeedForCell(self, cell);
|
|
var length = speed > 0 ? (toPos - fromPos).Length / speed : 0;
|
|
|
|
var delta = toPos - fromPos;
|
|
var facing = delta.HorizontalLengthSquared != 0 ? delta.Yaw.Facing : Facing;
|
|
return ActivityUtils.SequenceActivities(new Turn(self, facing), new Drag(self, fromPos, toPos, length));
|
|
}
|
|
|
|
public void ModifyDeathActorInit(Actor self, TypeDictionary init)
|
|
{
|
|
init.Add(new FacingInit(facing));
|
|
|
|
// Allows the husk to drag to its final position
|
|
if (CanEnterCell(self.Location, self, false))
|
|
init.Add(new HuskSpeedInit(MovementSpeedForCell(self, self.Location)));
|
|
}
|
|
|
|
CPos? ClosestGroundCell()
|
|
{
|
|
var above = new CPos(TopLeft.X, TopLeft.Y);
|
|
if (CanEnterCell(above))
|
|
return above;
|
|
|
|
var pathFinder = self.World.WorldActor.Trait<IPathFinder>();
|
|
List<CPos> path;
|
|
using (var search = PathSearch.Search(self.World, Info, self, true,
|
|
loc => loc.Layer == 0 && CanEnterCell(loc))
|
|
.FromPoint(self.Location))
|
|
path = pathFinder.FindPath(search);
|
|
|
|
if (path.Count > 0)
|
|
return path[0];
|
|
|
|
return null;
|
|
}
|
|
|
|
void INotifyBecomingIdle.OnBecomingIdle(Actor self)
|
|
{
|
|
if (TopLeft.Layer == 0)
|
|
return;
|
|
|
|
var moveTo = ClosestGroundCell();
|
|
if (moveTo != null)
|
|
self.QueueActivity(MoveTo(moveTo.Value, 0));
|
|
}
|
|
}
|
|
}
|