320 lines
9.3 KiB
C#
320 lines
9.3 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
|
|
* This file is part of OpenRA, which is free software. It is made
|
|
* available to you under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation. For more information,
|
|
* see LICENSE.
|
|
*/
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using OpenRA.Effects;
|
|
using OpenRA.Traits.Activities;
|
|
using OpenRA.FileFormats;
|
|
using System.Drawing;
|
|
using OpenRA.Support;
|
|
|
|
namespace OpenRA.Traits
|
|
{
|
|
public class MobileInfo : ITraitInfo, ITraitPrerequisite<UnitInfo>
|
|
{
|
|
public readonly string[] TerrainTypes;
|
|
public readonly float[] TerrainSpeeds;
|
|
public readonly string[] Crushes;
|
|
public readonly int WaitAverage = 60;
|
|
public readonly int WaitSpread = 20;
|
|
|
|
public virtual object Create(ActorInitializer init) { return new Mobile(init, this); }
|
|
}
|
|
|
|
public class Mobile : IIssueOrder, IResolveOrder, IOrderCursor, IOrderVoice, IOccupySpace, IMove, INudge
|
|
{
|
|
public readonly Actor self;
|
|
public readonly MobileInfo Info;
|
|
public readonly Dictionary<string,float> TerrainCost;
|
|
public readonly Dictionary<string,float> TerrainSpeed;
|
|
|
|
[Sync]
|
|
int2 __fromCell, __toCell;
|
|
public int2 fromCell
|
|
{
|
|
get { return __fromCell; }
|
|
set { SetLocation( value, __toCell ); }
|
|
}
|
|
[Sync]
|
|
public int2 toCell
|
|
{
|
|
get { return __toCell; }
|
|
set { SetLocation( __fromCell, value ); }
|
|
}
|
|
void SetLocation( int2 from, int2 to )
|
|
{
|
|
if( fromCell == from && toCell == to ) return;
|
|
RemoveInfluence();
|
|
__fromCell = from;
|
|
__toCell = to;
|
|
AddInfluence();
|
|
}
|
|
|
|
Shroud shroud;
|
|
UnitInfluence uim;
|
|
UnitInfo unitInfo;
|
|
BuildingInfluence bim;
|
|
bool canShareCell;
|
|
|
|
public Mobile(ActorInitializer init, MobileInfo info)
|
|
{
|
|
this.self = init.self;
|
|
this.Info = info;
|
|
this.__fromCell = this.__toCell = init.location;
|
|
|
|
shroud = self.World.WorldActor.traits.Get<Shroud>();
|
|
uim = self.World.WorldActor.traits.Get<UnitInfluence>();
|
|
bim = self.World.WorldActor.traits.Get<BuildingInfluence>();
|
|
unitInfo = self.Info.Traits.GetOrDefault<UnitInfo>();
|
|
canShareCell = self.traits.Contains<SharesCell>();
|
|
|
|
AddInfluence();
|
|
|
|
TerrainCost = new Dictionary<string, float>();
|
|
TerrainSpeed = new Dictionary<string, float>();
|
|
|
|
if (info.TerrainTypes.Count() != info.TerrainSpeeds.Count())
|
|
throw new InvalidOperationException("Mobile TerrainType/TerrainSpeed length missmatch");
|
|
|
|
for (int i = 0; i < info.TerrainTypes.Count(); i++)
|
|
{
|
|
TerrainCost.Add(info.TerrainTypes[i], 1f/info.TerrainSpeeds[i]);
|
|
TerrainSpeed.Add(info.TerrainTypes[i], info.TerrainSpeeds[i]);
|
|
}
|
|
}
|
|
|
|
public void SetPosition(Actor self, int2 cell)
|
|
{
|
|
SetLocation( cell, cell );
|
|
self.CenterLocation = Util.CenterOfCell(fromCell);
|
|
}
|
|
|
|
public Order IssueOrder(Actor self, int2 xy, MouseInput mi, Actor underCursor)
|
|
{
|
|
if (mi.Button == MouseButton.Left) return null;
|
|
|
|
// force-fire should *always* take precedence over move.
|
|
if (mi.Modifiers.HasModifier(Modifiers.Ctrl)) return null;
|
|
|
|
if (underCursor != null && underCursor.Owner != null)
|
|
{
|
|
// force-move
|
|
if (!mi.Modifiers.HasModifier(Modifiers.Alt)) return null;
|
|
if (!CanEnterCell(underCursor.Location, null, true)) return null;
|
|
}
|
|
if (MovementSpeedForCell(self, self.Location) == 0) return null; /* allow disabling move orders from modifiers */
|
|
if (xy == toCell) return null;
|
|
|
|
return new Order("Move", self, xy, mi.Modifiers.HasModifier(Modifiers.Shift));
|
|
}
|
|
|
|
public void ResolveOrder(Actor self, Order order)
|
|
{
|
|
if (order.OrderString == "Move")
|
|
{
|
|
if (self.traits.GetOrDefault<IMove>().CanEnterCell(order.TargetLocation))
|
|
{
|
|
if (self.Owner == self.World.LocalPlayer)
|
|
self.World.AddFrameEndTask(w =>
|
|
{
|
|
w.Add(new MoveFlash(self.World, order.TargetLocation));
|
|
var line = self.traits.GetOrDefault<DrawLineToTarget>();
|
|
if (line != null)
|
|
line.SetTarget(self, Target.FromOrder(order), Color.Green);
|
|
});
|
|
|
|
if( !order.Queued ) self.CancelActivity();
|
|
self.QueueActivity(new Activities.Move(order.TargetLocation, 8));
|
|
}
|
|
}
|
|
}
|
|
|
|
public string CursorForOrder(Actor self, Order order)
|
|
{
|
|
if (order.OrderString != "Move")
|
|
return null;
|
|
|
|
var xy = order.TargetLocation;
|
|
return (!shroud.exploredCells[xy.X, xy.Y] || CanEnterCell(xy)) ? "move" : "move-blocked";
|
|
}
|
|
|
|
public string VoicePhraseForOrder(Actor self, Order order)
|
|
{
|
|
var xy = order.TargetLocation;
|
|
return (order.OrderString == "Move" && (!shroud.exploredCells[xy.X, xy.Y] || CanEnterCell(xy))) ? "Move" : null;
|
|
}
|
|
|
|
public int2 TopLeft { get { return toCell; } }
|
|
|
|
public virtual IEnumerable<int2> OccupiedCells()
|
|
{
|
|
return (fromCell == toCell)
|
|
? new[] { fromCell }
|
|
: CanEnterCell(toCell)
|
|
? new[] { toCell }
|
|
: new[] { fromCell, toCell };
|
|
}
|
|
|
|
public bool CanEnterCell(int2 p)
|
|
{
|
|
return CanEnterCell(p, null, true);
|
|
}
|
|
|
|
public virtual bool CanEnterCell(int2 cell, Actor ignoreActor, bool checkTransientActors)
|
|
{
|
|
if (MovementCostForCell(self, cell) == float.PositiveInfinity)
|
|
return false;
|
|
|
|
|
|
// Check for buildings
|
|
var building = bim.GetBuildingBlocking(cell);
|
|
if (building != null && building != ignoreActor)
|
|
{
|
|
if (Info.Crushes == null)
|
|
return false;
|
|
|
|
var crushable = building.traits.WithInterface<ICrushable>();
|
|
if (crushable.Count() == 0)
|
|
return false;
|
|
|
|
if (!crushable.Any(b => b.CrushClasses.Intersect(Info.Crushes).Any()))
|
|
return false;
|
|
}
|
|
|
|
// Check mobile actors
|
|
if (checkTransientActors)
|
|
{
|
|
var actors = uim.GetUnitsAt(cell);
|
|
if (actors.Any())
|
|
{
|
|
var actors2 = actors.Where(a => a != self && a != ignoreActor).ToArray();
|
|
var nonshareable = canShareCell ? actors2 : actors2.Where(a => !a.traits.Contains<SharesCell>()).ToArray();
|
|
|
|
if (canShareCell)
|
|
{
|
|
var shareable = actors2.Where(a => a.traits.Contains<SharesCell>());
|
|
|
|
// only allow 5 in a cell
|
|
if (shareable.Count() >= 5)
|
|
return false;
|
|
}
|
|
|
|
// We can enter a cell with nonshareable units only if we can crush all of them
|
|
if (Info.Crushes == null && nonshareable.Count() > 0)
|
|
return false;
|
|
|
|
if (nonshareable.Length > 0 && nonshareable.Any(a => !(a.traits.Contains<ICrushable>() &&
|
|
a.traits.WithInterface<ICrushable>().Any(b => b.CrushClasses.Intersect(Info.Crushes).Any()))))
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public virtual void FinishedMoving(Actor self)
|
|
{
|
|
var crushable = uim.GetUnitsAt(self.Location).Where(a => a != self && a.traits.Contains<ICrushable>());
|
|
foreach (var a in crushable)
|
|
{
|
|
var crushActions = a.traits.WithInterface<ICrushable>().Where(b => b.CrushClasses.Intersect(Info.Crushes).Any());
|
|
foreach (var b in crushActions)
|
|
b.OnCrush(self);
|
|
}
|
|
}
|
|
|
|
public virtual float MovementCostForCell(Actor self, int2 cell)
|
|
{
|
|
if (!self.World.Map.IsInMap(cell.X,cell.Y))
|
|
return float.PositiveInfinity;
|
|
|
|
var type = self.World.GetTerrainType(cell);
|
|
return TerrainCost[type];
|
|
}
|
|
|
|
public virtual float MovementSpeedForCell(Actor self, int2 cell)
|
|
{
|
|
if( unitInfo == null )
|
|
return 0f;
|
|
|
|
var type = self.World.GetTerrainType(cell);
|
|
|
|
var modifier = self.traits
|
|
.WithInterface<ISpeedModifier>()
|
|
.Select(t => t.GetSpeedModifier())
|
|
.Product();
|
|
return unitInfo.Speed * TerrainSpeed[type] * modifier;
|
|
}
|
|
|
|
public IEnumerable<float2> GetCurrentPath(Actor self)
|
|
{
|
|
var move = self.GetCurrentActivity() as Move;
|
|
if (move == null || move.path == null) return new float2[] { };
|
|
|
|
return Enumerable.Reverse(move.path).Select( c => Util.CenterOfCell(c) );
|
|
}
|
|
|
|
public virtual void AddInfluence()
|
|
{
|
|
uim.Add( self, this );
|
|
}
|
|
|
|
public virtual void RemoveInfluence()
|
|
{
|
|
uim.Remove( self, this );
|
|
}
|
|
|
|
public void OnNudge(Actor self, Actor nudger)
|
|
{
|
|
/* initial fairly braindead implementation. */
|
|
|
|
if (self.Owner.Stances[nudger.Owner] != Stance.Ally)
|
|
return; /* don't allow ourselves to be pushed around
|
|
* by the enemy! */
|
|
|
|
if (!self.IsIdle)
|
|
return; /* don't nudge if we're busy doing something! */
|
|
|
|
// pick an adjacent available cell.
|
|
var availCells = new List<int2>();
|
|
var notStupidCells = new List<int2>();
|
|
|
|
for( var i = -1; i < 2; i++ )
|
|
for (var j = -1; j < 2; j++)
|
|
{
|
|
var p = self.Location + new int2(i, j);
|
|
if (CanEnterCell(p))
|
|
availCells.Add(p);
|
|
else
|
|
if (p != nudger.Location && p != self.Location)
|
|
notStupidCells.Add(p);
|
|
}
|
|
|
|
var moveTo = availCells.Any() ? availCells.Random(self.World.SharedRandom) :
|
|
notStupidCells.Any() ? notStupidCells.Random(self.World.SharedRandom) : (int2?)null;
|
|
|
|
if (moveTo.HasValue)
|
|
{
|
|
self.CancelActivity();
|
|
if (self.Owner == self.World.LocalPlayer)
|
|
self.World.AddFrameEndTask(w =>
|
|
{
|
|
var line = self.traits.GetOrDefault<DrawLineToTarget>();
|
|
if (line != null)
|
|
line.SetTargetSilently(self, Target.FromCell(moveTo.Value), Color.Green);
|
|
});
|
|
self.QueueActivity(new Move(moveTo.Value, 0));
|
|
}
|
|
}
|
|
}
|
|
}
|