405 lines
14 KiB
C#
Executable File
405 lines
14 KiB
C#
Executable File
#region Copyright & License Information
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/*
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* Copyright 2007-2010 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. For more information,
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* see LICENSE.
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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.Effects;
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using OpenRA.Mods.RA.Activities;
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using OpenRA.Traits.Activities;
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using OpenRA.FileFormats;
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using System.Diagnostics;
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using OpenRA.Orders;
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using OpenRA.Traits;
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namespace OpenRA.Mods.RA.Move
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{
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public class MobileInfo : ITraitInfo
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{
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[FieldLoader.LoadUsing("LoadSpeeds")]
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public readonly Dictionary<string, TerrainInfo> TerrainSpeeds;
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[FieldLoader.Load]
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public readonly string[] Crushes;
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[FieldLoader.Load]
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public readonly int WaitAverage = 60;
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[FieldLoader.Load]
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public readonly int WaitSpread = 20;
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[FieldLoader.Load]
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public readonly int InitialFacing = 128;
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[FieldLoader.Load]
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public readonly int ROT = 255;
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[FieldLoader.Load]
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public readonly int Speed = 1;
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[FieldLoader.Load]
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public readonly bool OnRails = false;
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public virtual 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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Dictionary<string, TerrainInfo> ret = new Dictionary<string, TerrainInfo>();
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foreach (var t in y.NodesDict["TerrainSpeeds"].Nodes)
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{
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var speed = (decimal)FieldLoader.GetValue("speed", typeof(decimal), t.Value.Value);
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var cost = t.Value.NodesDict.ContainsKey("PathingCost") ? (int)FieldLoader.GetValue("cost", typeof(int), t.Value.NodesDict["PathingCost"].Value) : (int)(10000 / speed);
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ret.Add(t.Key, new TerrainInfo { Speed = speed, Cost = cost });
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}
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return ret;
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}
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public class TerrainInfo
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{
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public int Cost = int.MaxValue;
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public decimal Speed = 0;
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}
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public int MovementCostForCell(World world, int2 cell)
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{
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if (!world.Map.IsInMap(cell.X, cell.Y))
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return int.MaxValue;
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var type = world.GetTerrainType(cell);
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if (!TerrainSpeeds.ContainsKey(type))
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return int.MaxValue;
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return TerrainSpeeds[type].Cost;
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}
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public bool CanEnterCell(World world, UnitInfluence uim, int2 cell, Actor ignoreActor, bool checkTransientActors)
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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 blockingActors = uim.GetUnitsAt(cell).Where(x => x != ignoreActor).ToList();
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if (checkTransientActors && blockingActors.Count > 0)
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{
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// We can enter a cell with nonshareable units only if we can crush all of them
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if (Crushes == null)
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return false;
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if (blockingActors.Any(a => !(a.HasTrait<ICrushable>() &&
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a.TraitsImplementing<ICrushable>().Any(b => b.CrushClasses.Intersect(Crushes).Any()))))
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return false;
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}
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return true;
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}
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public bool CanEnterCell(World world, int2 cell, Actor ignoreActor, bool checkTransientActors)
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{
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var uim = world.WorldActor.Trait<UnitInfluence>();
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return CanEnterCell(world, uim, cell, ignoreActor, checkTransientActors);
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}
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}
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public class Mobile : IIssueOrder, IResolveOrder, IOrderVoice, IOccupySpace, IMove, IFacing, INudge
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{
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public readonly Actor self;
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public readonly MobileInfo Info;
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public bool IsMoving { get; internal set; }
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int __facing;
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int2 __fromCell, __toCell;
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int __altitude;
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[Sync]
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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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[Sync]
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public int Altitude
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{
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get { return __altitude; }
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set { __altitude = value; }
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}
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public int ROT { get { return Info.ROT; } }
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public int InitialFacing { get { return Info.InitialFacing; } }
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[Sync]
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public int2 PxPosition { get; set; }
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[Sync]
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public int2 fromCell { get { return __fromCell; } }
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[Sync]
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public int2 toCell { get { return __toCell; } }
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[Sync]
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public int PathHash; // written by Move.EvalPath, to temporarily debug this crap.
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public void SetLocation(int2 from, int2 to)
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{
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if (fromCell == from && toCell == to) return;
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RemoveInfluence();
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__fromCell = from;
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__toCell = to;
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AddInfluence();
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}
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UnitInfluence uim;
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const int avgTicksBeforePathing = 5;
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const int spreadTicksBeforePathing = 5;
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internal int ticksBeforePathing = 0;
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public Mobile(ActorInitializer init, MobileInfo info)
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{
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this.self = init.self;
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this.Info = info;
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uim = self.World.WorldActor.Trait<UnitInfluence>();
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if (init.Contains<LocationInit>())
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{
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this.__fromCell = this.__toCell = init.Get<LocationInit, int2>();
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this.PxPosition = Util.CenterOfCell(fromCell);
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}
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this.Facing = init.Contains<FacingInit>() ? init.Get<FacingInit, int>() : info.InitialFacing;
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this.Altitude = init.Contains<AltitudeInit>() ? init.Get<AltitudeInit, int>() : 0;
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}
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public void SetPosition(Actor self, int2 cell)
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{
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SetLocation(cell, cell);
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PxPosition = Util.CenterOfCell(fromCell);
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FinishedMoving(self);
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}
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public void SetPxPosition(Actor self, int2 px)
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{
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var cell = Util.CellContaining(px);
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SetLocation(cell, cell);
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PxPosition = px;
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FinishedMoving(self);
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}
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public IEnumerable<IOrderTargeter> Orders { get { yield return new MoveOrderTargeter(Info); } }
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// Note: Returns a valid order even if the unit can't move to the target
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public Order IssueOrder(Actor self, IOrderTargeter order, Target target, bool queued)
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{
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if (order is MoveOrderTargeter)
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{
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if (Info.OnRails) return null;
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return new Order("Move", self, queued) { TargetLocation = Util.CellContaining(target.CenterLocation) };
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}
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return null;
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}
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public int2 NearestMoveableCell(int2 target)
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{
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if (CanEnterCell(target))
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return target;
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var searched = new List<int2>() { };
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// Limit search to a radius of 10 tiles
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for (int r = 1; r < 10; r++)
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foreach (var tile in self.World.FindTilesInCircle(target, r).Except(searched))
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{
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if (CanEnterCell(tile))
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return tile;
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searched.Add(tile);
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}
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// Couldn't find a cell
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return target;
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}
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protected void PerformMove(Actor self, int2 targetLocation, bool queued)
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{
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var ph = new QueuedActivity(
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(qa) =>
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{
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int2 currentLocation = NearestMoveableCell(targetLocation);
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if (!CanEnterCell(currentLocation))
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{
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if (queued) self.CancelActivity();
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return;
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}
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if (!queued) self.CancelActivity();
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ticksBeforePathing = avgTicksBeforePathing + self.World.SharedRandom.Next(-spreadTicksBeforePathing, spreadTicksBeforePathing);
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qa.Insert(new Move(currentLocation, 8));
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self.SetTargetLine(Target.FromCell(currentLocation), Color.Green);
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});
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self.QueueActivity(queued ? ph : ph.Run(self));
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}
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public void ResolveOrder(Actor self, Order order)
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{
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if (order.OrderString == "Move")
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{
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var target = order.TargetLocation.Clamp(self.World.Map.Bounds);
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PerformMove(self, target, order.Queued && !self.IsIdle);
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}
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if (order.OrderString == "Stop")
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{
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self.CancelActivity();
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}
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}
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public string VoicePhraseForOrder(Actor self, Order order)
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{
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if (order.OrderString == "Move")
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return "Move";
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return null;
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}
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public int2 TopLeft { get { return toCell; } }
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public IEnumerable<int2> OccupiedCells()
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{
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return (fromCell == toCell)
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? new[] { fromCell }
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: CanEnterCell(toCell)
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? new[] { toCell }
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: new[] { fromCell, toCell };
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}
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public bool CanEnterCell(int2 p)
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{
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return CanEnterCell(p, null, true);
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}
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public bool CanEnterCell(int2 cell, Actor ignoreActor, bool checkTransientActors)
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{
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var uim = self.World.WorldActor.Trait<UnitInfluence>();
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return Info.CanEnterCell(self.World, uim, cell, ignoreActor, checkTransientActors);
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}
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public void FinishedMoving(Actor self)
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{
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var crushable = uim.GetUnitsAt(toCell).Where(a => a != self && a.HasTrait<ICrushable>());
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foreach (var a in crushable)
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{
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var crushActions = a.TraitsImplementing<ICrushable>().Where(b => b.CrushClasses.Intersect(Info.Crushes).Any());
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foreach (var b in crushActions)
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b.OnCrush(self);
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}
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}
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public int MovementSpeedForCell(Actor self, int2 cell)
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{
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var type = self.World.GetTerrainType(cell);
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if (!Info.TerrainSpeeds.ContainsKey(type))
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return 0;
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decimal speed = Info.Speed * Info.TerrainSpeeds[type].Speed;
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foreach (var t in self.TraitsImplementing<ISpeedModifier>())
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speed *= t.GetSpeedModifier();
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return (int)(speed / 100);
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}
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public void AddInfluence()
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{
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if (self.IsInWorld)
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uim.Add(self, this);
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}
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public void RemoveInfluence()
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{
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if (self.IsInWorld)
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uim.Remove(self, this);
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}
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public void OnNudge(Actor self, Actor nudger)
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{
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/* initial fairly braindead implementation. */
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if (self.Owner.Stances[nudger.Owner] != Stance.Ally)
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return; /* don't allow ourselves to be pushed around
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* by the enemy! */
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if (!self.IsIdle)
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return; /* don't nudge if we're busy doing something! */
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// pick an adjacent available cell.
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var availCells = new List<int2>();
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var notStupidCells = new List<int2>();
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for (var i = -1; i < 2; i++)
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for (var j = -1; j < 2; j++)
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{
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var p = toCell + new int2(i, j);
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if (CanEnterCell(p))
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availCells.Add(p);
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else
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if (p != nudger.Location && p != toCell)
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notStupidCells.Add(p);
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}
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var moveTo = availCells.Any() ? availCells.Random(self.World.SharedRandom) :
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notStupidCells.Any() ? notStupidCells.Random(self.World.SharedRandom) : (int2?)null;
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if (moveTo.HasValue)
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{
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self.CancelActivity();
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self.SetTargetLine(Target.FromCell(moveTo.Value), Color.Green, false);
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self.QueueActivity(new Move(moveTo.Value, 0));
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Log.Write("debug", "OnNudge #{0} from {1} to {2}",
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self.ActorID, self.Location, moveTo.Value);
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}
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else
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Log.Write("debug", "OnNudge #{0} refuses at {1}",
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self.ActorID, self.Location);
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}
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class MoveOrderTargeter : IOrderTargeter
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{
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readonly MobileInfo unitType;
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public MoveOrderTargeter(MobileInfo unitType)
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{
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this.unitType = unitType;
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}
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public string OrderID { get { return "Move"; } }
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public int OrderPriority { get { return 4; } }
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public bool IsQueued { get; protected set; }
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public bool CanTargetUnit(Actor self, Actor target, bool forceAttack, bool forceMove, bool forceQueued, ref string cursor)
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{
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return false;
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}
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public bool CanTargetLocation(Actor self, int2 location, List<Actor> actorsAtLocation, bool forceAttack, bool forceMove, bool forceQueued, ref string cursor)
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{
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IsQueued = forceQueued;
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cursor = "move";
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if (!self.World.Map.IsInMap(location) || (self.World.LocalPlayer.Shroud.IsExplored(location) &&
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self.Trait<Mobile>().Info.MovementCostForCell(self.World, location) == int.MaxValue))
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cursor = "move-blocked";
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return true;
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}
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}
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public IActivity ScriptedMove(int2 cell) { return new Move(cell); }
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public IActivity MoveTo(int2 cell, int nearEnough) { return new Move(cell, nearEnough); }
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public IActivity MoveTo(int2 cell, Actor ignoredActor) { return new Move(cell, ignoredActor); }
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public IActivity MoveWithinRange(Actor target, int range) { return new Move(target, range); }
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public IActivity MoveWithinRange(Target target, int range) { return new Move(target, range); }
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public IActivity MoveTo(Func<List<int2>> pathFunc) { return new Move(pathFunc); }
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}
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}
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