Off-by-one error in tiled map reading

src/res.rs

@@ -65,7 +65,7 @@ pub fn world_from_file<P: AsRef<Path>>(w: &mut specs::World, path: P) {
                         DrawLayer::Decoration => e.with(Decoration),
                     };
 
-                    let e = if tilesets[0].tiles[n as usize].properties["pass"]
+                    let e = if tilesets[0].tiles[(n-1) as usize].properties["pass"]
                         == tiled::PropertyValue::BoolValue(false)
                     {
                         e.with(Blocking::new())