Generalize RallyPointInfo.Offset to support arbitrary length paths.

mods/d2k/rules/structures.yaml

@@ -202,7 +202,7 @@ barracks:
 	RevealsShroud:
 		Range: 3c768
 	RallyPoint:
-		Offset: 1,2
+		Path: 1,2
 	Exit@1:
 		SpawnOffset: 352,576,0
 		ExitCell: 0,2
@@ -418,7 +418,7 @@ light_factory:
 		Queues: Vehicle
 		Sequence: production-welding
 	RallyPoint:
-		Offset: 2,2
+		Path: 2,2
 	Exit@1:
 		SpawnOffset: 544,-224,0
 		ExitCell: 2,1
@@ -500,7 +500,7 @@ heavy_factory:
 	RevealsShroud:
 		Range: 4c768
 	RallyPoint:
-		Offset: 0,3
+		Path: 0,3
 	Exit@1:
 		SpawnOffset: 256,192,0
 		ExitCell: 0,2
@@ -652,7 +652,7 @@ starport:
 	RevealsShroud:
 		Range: 3c768
 	RallyPoint:
-		Offset: 1,3
+		Path: 1,3
 	Exit@1:
 		SpawnOffset: 0,-480,0
 		ExitCell: 2,2
@@ -907,7 +907,7 @@ repair_pad:
 		FinishRepairingNotification: UnitRepaired
 		PlayerExperience: 15
 	RallyPoint:
-		Offset: 1,3
+		Path: 1,3
 	RenderSprites:
 		Image: repair_pad.ordos
 		FactionImages: