bridge pathing works

OpenRa.Game/PathSearch.cs

@@ -56,7 +56,6 @@ namespace OpenRa
 					continue;
 
 				var custom = Game.world.customTerrain[newHere.X, newHere.Y];
-				if (custom != null) throw new NotImplementedException();
 				var costHere = (custom != null) ? custom.GetCost(newHere, umt) : passableCost[(int)umt][newHere.X, newHere.Y];
 
 				if (costHere == float.PositiveInfinity)

OpenRa.Game/TerrainCosts.cs

@@ -28,8 +28,8 @@ namespace OpenRa
 
 	static class TerrainCosts
 	{
-		static double[][] costs = Util.MakeArray<double[]>( 4,
-			a => Util.MakeArray<double>( 11, b => double.PositiveInfinity ));
+		static float[][] costs = Util.MakeArray<float[]>(4,
+			a => Util.MakeArray<float>(11, b => float.PositiveInfinity));
 
 		static TerrainCosts()
 		{
@@ -40,12 +40,12 @@ namespace OpenRa
 				for( int j = 0 ; j < 4 ; j++ )
 				{
 					string val = section.GetValue( ( (UnitMovementType)j ).ToString(), "0%" );
-					costs[ j ][ i ] = 100.0 / double.Parse( val.Substring( 0, val.Length - 1 ) );
+					costs[j][i] = 100f / float.Parse(val.Substring(0, val.Length - 1));
 				}
 			}
 		}
 
-		public static double Cost( UnitMovementType unitMovementType, int r )
+		public static float Cost( UnitMovementType unitMovementType, int r )
 		{
 			return costs[ (byte)unitMovementType ][ r ];
 		}

OpenRa.Game/Traits/Bridge.cs

@@ -9,7 +9,7 @@ using System.Drawing;
 
 namespace OpenRa.Traits
 {
-	class BridgeInfo : OwnedActorInfo, ITraitInfo
+	class BridgeInfo : ITraitInfo
 	{
 		public object Create(Actor self) { return new Bridge(self); }
 	}
@@ -19,8 +19,9 @@ namespace OpenRa.Traits
 		Dictionary<int2, int> Tiles;
 		TileTemplate Template;
 		Dictionary<int2, Sprite> TileSprites;
+		Actor self;
 
-		public Bridge(Actor self) { self.RemoveOnDeath = false; }
+		public Bridge(Actor self) { this.self = self; self.RemoveOnDeath = false; }
 
 		static string cachedTheater;
 		static Cache<TileReference, Sprite> sprites;
@@ -55,9 +56,9 @@ namespace OpenRa.Traits
 
 		public float GetCost(int2 p, UnitMovementType umt)
 		{
-			throw new NotImplementedException();
-			var origTile = Tiles[p];	// if this explodes, then SetTiles did something horribly wrong.
-			return float.PositiveInfinity;
+			return self.Health > 0
+				? TerrainCosts.Cost(umt, Template.TerrainType[Tiles[p]])
+				: TerrainCosts.Cost(umt, 1);
 		}
 	}
 }

ra.yaml

@@ -1438,11 +1438,14 @@ DOMF:
 	Fake:
 
 BRIDGE:
-	Inherits: ^Building
+	Category: Building
+	Selectable:
 	Bridge:
 	BelowUnits:
-	-Selectable:
-	-Building:
+	Building:
+		Footprint: ____ ____
+		Dimensions: 4,2
+		HP: 1000
 
 T01:
 	Inherits: ^Building

units.ini

@@ -535,8 +535,11 @@ Traits=Unit,RenderUnit,BelowUnits,InvisibleToOthers
 Selectable=no
 
 [Bridge]
-Traits=Bridge, BelowUnits
-Selectable=no
+Traits=Bridge, BelowUnits, Building
+Strength=1000
+Dimensions=4,2
+Footprint=____ ____
+Selectable=yes		;; temp hack
 
 [InfantryTypes]
 DOG