Units automatically path around known hazards (eg static base defenses). Test using SAM and TRAN.

Todo: Ignore hazards when force-moving; Apply only to known enemy hazards; Implement more hazard classes Also add a few files I forgot from previous patches
2010-06-25 13:53:37 +12:00
parent 0aeca2aadc
commit 7ac8d0cf59
15 changed files with 378 additions and 16 deletions
--- a/OpenRA.Mods.Cnc/MobileAir.cs
+++ b/OpenRA.Mods.Cnc/MobileAir.cs
@@ -0,0 +1,100 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
+ * This file is part of OpenRA.
+ * 
+ *  OpenRA is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  OpenRA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using System.Collections.Generic;
+using System.Linq;
+using OpenRA.GameRules;
+using OpenRA.Traits;
+
+namespace OpenRA.Traits
+{
+	public class MobileAirInfo : MobileInfo
+	{
+		public readonly int CruiseAltitude = 20;
+		public readonly float InstabilityMagnitude = 2.0f;
+		public readonly int InstabilityTicks = 5;	
+		public readonly bool LandWhenIdle = true;
+		
+		public override object Create(ActorInitializer init) { return new MobileAir(init, this); }
+	}
+	
+	public class MobileAir : Mobile, ITick, IOccupyAir
+	{
+		MobileAirInfo Info;
+		public MobileAir (ActorInitializer init, MobileAirInfo info)
+			: base(init)
+		{
+			Info = info;
+		}
+
+		public override void AddInfluence()
+		{
+			self.World.WorldActor.traits.Get<AircraftInfluence>().Add( self, this );
+		}
+		
+		public override void RemoveInfluence()
+		{
+			self.World.WorldActor.traits.Get<AircraftInfluence>().Remove( self, this );
+		}
+		
+		public override bool CanEnterCell(int2 p, Actor ignoreBuilding, bool checkTransientActors)
+		{
+			if (!checkTransientActors)
+				return true;
+			
+			return self.World.WorldActor.traits.Get<AircraftInfluence>().GetUnitsAt(p).Count() == 0;
+		}
+				
+		public override IEnumerable<int2> OccupiedCells()
+		{
+			// Todo: do the right thing when landed
+			return new int2[] {};
+		}
+		
+		public int2 TopLeft { get { return toCell; } }
+
+		public IEnumerable<int2> OccupiedAirCells()
+		{
+			return (fromCell == toCell)
+				? new[] { fromCell }
+				: CanEnterCell(toCell)
+					? new[] { toCell }
+					: new[] { fromCell, toCell };
+		}
+		
+		int offsetTicks = 0;
+		public void Tick(Actor self)
+		{
+			var unit = self.traits.Get<Unit>();
+			//if (unit.Altitude <= 0)
+			//	return;
+			
+			if (unit.Altitude < Info.CruiseAltitude)
+				unit.Altitude++;
+			
+			if (--offsetTicks <= 0)
+			{
+				self.CenterLocation += Info.InstabilityMagnitude * self.World.SharedRandom.Gauss2D(5);
+				unit.Altitude += (int)(Info.InstabilityMagnitude * self.World.SharedRandom.Gauss1D(5));
+				offsetTicks = Info.InstabilityTicks;
+			}
+		}
+	}
+}