Convert Parachute to world coords.

OpenRA.Mods.RA/Air/EjectOnDeath.cs

@@ -35,9 +35,7 @@ namespace OpenRA.Mods.RA
 			if (IsSuitableCell(pilot, self.Location) && r > 100 - info.SuccessRate && aircraft.Altitude > 10
 				&& self.Owner.WinState != WinState.Lost)
 			{
-				self.World.AddFrameEndTask(w => w.Add(new Parachute(pilot,
-						Util.CenterOfCell(self.CenterLocation.ToCPos()), aircraft.Altitude)));
-
+				self.World.AddFrameEndTask(w => w.Add(new Parachute(pilot, self.CenterPosition)));
 				Sound.Play(info.ChuteSound, self.CenterLocation);
 			}
 			else

OpenRA.Mods.RA/Effects/Parachute.cs

@@ -19,49 +19,47 @@ namespace OpenRA.Mods.RA.Effects
 	public class Parachute : IEffect
 	{
 		readonly Animation paraAnim;
-		readonly PPos location;
-
+		readonly WVec parachuteOffset;
 		readonly Actor cargo;
+		WPos pos;
+		WVec fallRate = new WVec(0, 0, 13);
 
-		int2 offset;
-		float altitude;
-		const float fallRate = .3f;
-
-		public Parachute(Actor cargo, PPos location, int altitude)
+		public Parachute(Actor cargo, WPos dropPosition)
 		{
-			this.location = location;
-			this.altitude = altitude;
 			this.cargo = cargo;
 
 			var pai = cargo.Info.Traits.GetOrDefault<ParachuteAttachmentInfo>();
 			paraAnim = new Animation(pai != null ? pai.ParachuteSprite : "parach");
 			paraAnim.PlayThen("open", () => paraAnim.PlayRepeating("idle"));
 
-			if (pai != null) offset = pai.Offset;
+			if (pai != null)
+				parachuteOffset = pai.Offset;
 
-			cargo.Trait<ITeleportable>().SetPxPosition(cargo, location);
+			// Adjust x,y to match the target subcell
+			cargo.Trait<ITeleportable>().SetPosition(cargo, new CPos(dropPosition));
+			var cp = cargo.CenterPosition;
+			pos = new WPos(cp.X, cp.Y, dropPosition.Z);
 		}
 
 		public void Tick(World world)
 		{
 			paraAnim.Tick();
 
-			altitude -= fallRate;
+			pos -= fallRate;
 
-			if (altitude <= 0)
+			if (pos.Z <= 0)
+			{
 				world.AddFrameEndTask(w =>
 				{
-						w.Remove(cargo);
 					w.Remove(this);
-						var loc = location.ToCPos();
 					cargo.CancelActivity();
-						cargo.Trait<ITeleportable>().SetPosition(cargo, loc);
 					w.Add(cargo);
 
-						foreach( var npl in cargo.TraitsImplementing<INotifyParachuteLanded>() )
+					foreach (var npl in cargo.TraitsImplementing<INotifyParachuteLanded>())
 						npl.OnLanded();
 				});
 			}
+		}
 
 		public IEnumerable<Renderable> Render(WorldRenderer wr)
 		{
@@ -74,12 +72,11 @@ namespace OpenRA.Mods.RA.Effects
 			var shadow = wr.Palette("shadow");
 			foreach (var c in rc)
 			{
-				yield return c.WithPalette(shadow);
-				yield return c.WithPxOffset(new float2(0, -altitude)).WithZOffset(c.ZOffset + (int)altitude + 2);
+				yield return c.WithPalette(shadow).WithZOffset(-1);
+				yield return c.WithPos(pos);
 			}
 
-			var pos = location.ToFloat2() - new float2(0, altitude);
-			yield return new Renderable(paraAnim.Image, pos + offset, rc.First().Palette, 3);
+			yield return new Renderable(paraAnim.Image, pos + parachuteOffset, 1, rc.First().Palette, 1f);
 		}
 	}
 }

OpenRA.Mods.RA/ParaDrop.cs

@@ -52,14 +52,7 @@ namespace OpenRA.Mods.RA
 					droppedAt.Add(self.Location);
 
 					var a = cargo.Unload(self);
-
-					var aircraft = self.Trait<IMove>();
-					self.World.AddFrameEndTask(w => w.Add(
-						new Parachute(a,
-							Util.CenterOfCell(self.CenterLocation.ToCPos()),
-							aircraft.Altitude)
-					));
-
+					self.World.AddFrameEndTask(w => w.Add(new Parachute(a, self.CenterPosition)));
 					Sound.Play(info.ChuteSound, self.CenterLocation);
 				}
 			}

OpenRA.Mods.RA/ParachuteAttachment.cs

@@ -15,7 +15,7 @@ namespace OpenRA.Mods.RA
 	class ParachuteAttachmentInfo : TraitInfo<ParachuteAttachment>
 	{
 		public readonly string ParachuteSprite = "parach";
-		public readonly int2 Offset = new int2(0,0);
+		public readonly WVec Offset = WVec.Zero;
 	}
 
 	class ParachuteAttachment {}

mods/ra/rules/defaults.yaml

@@ -116,7 +116,7 @@
 	GpsDot:
 		String:Infantry
 	ParachuteAttachment:
-		Offset: 0,-10
+		Offset: 0,0,427
 	CrushableInfantry:
 		CrushSound: squishy2.aud
 	RepairableNear: