Add error logging for weird track

TeamOpenIndustry · Sep 29, 2023 · d8c9021 · d8c9021
1 parent e8cde6d
commit d8c9021
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/main/java/cam72cam/immersiverailroading/physics/MovementTrack.java b/src/main/java/cam72cam/immersiverailroading/physics/MovementTrack.java
@@ -140,11 +140,16 @@ public static Vec3d nextPositionDirect(World world, Vec3d currentPosition, TileR
 			 * trying to move.  Instead we should probably calculate the vector between the closest pos
 			 * and the current pos and move distance along that.  How would that work for slopes at the ends? just fine?
 			 */
-			List<PosStep> positions = ((IIterableTrack) rail.info.getBuilder(world)).getPath(0.25);
+			List<PosStep> positions = ((IIterableTrack) rail.info.getBuilder(world)).getPath(0.25 * rail.info.settings.gauge.scale());
 			Vec3d center = rail.info.placementInfo.placementPosition.add(rail.getPos()).add(0, heightOffset, 0);
 			Vec3d target = currentPosition.add(delta);
 			Vec3d relative = target.subtract(center);
 
+			if (positions.size() < 2) {
+				ImmersiveRailroading.error("Invalid track path %s: %s", positions.size(), rail.info.uniqueID);
+				return currentPosition; // keep in same place for debugging
+			}
+
 			/* Simple ordered binary search
 			l    c      r
 			l    c  r