redoing bump

kiln-core/src/tests/map_file/transporters.rs

@@ -56,9 +56,9 @@ fn bumping_a_transporter_drops_you_on_its_far_side() {
 
 #[test]
 fn a_blocked_far_side_transports_out_of_the_paired_transporter() {
-    // Player, east transporter, a wall blocking its far side, the free entrance
-    // cell, then the paired west transporter. The player should pop out at the
-    // west transporter's entrance (the cell just before it), across the wall.
+    // Player, east transporter, a wall blocking its far side, a gap, the paired
+    // west transporter, then a free cell. The player should pop out on the paired
+    // transporter's far side (the cell just past it), across the wall.
     let board = load_board(&map(
         6,
         1,
@@ -81,11 +81,49 @@ fn a_blocked_far_side_transports_out_of_the_paired_transporter() {
     let b = game.board();
     assert_eq!(
         (b.player.x, b.player.y),
-        (3, 0),
-        "transported to the paired transporter's entrance",
+        (5, 0),
+        "transported past the paired transporter",
     );
 }
 
+#[test]
+fn a_pushed_crate_is_transported_through() {
+    // Player, a crate, an east transporter, then a free cell. Pushing the crate
+    // east into the transporter bumps it (through the crate chain); the transporter
+    // moves the crate — a plain terrain solid, no object id — out its far side.
+    let board = load_board(&map(
+        4,
+        1,
+        &[layer(
+            "@oT ",
+            &[
+                ("@", "kind = \"player\""),
+                ("o", "kind = \"crate\""),
+                ("T", "kind = \"transporter_east\""),
+            ],
+        )],
+    ));
+    let mut game = GameState::new(board);
+    game.run_init();
+
+    // Push east into the crate: the crate can't move (the transporter blocks it),
+    // but the transporter is bumped from the West and teleports the crate to (3,0).
+    game.try_move(Direction::East);
+    game.tick(Duration::from_secs_f64(0.1));
+    {
+        let b = game.board();
+        assert!(b.solid_at(3, 0).is_some(), "crate transported to the far side");
+        assert!(b.is_passable(1, 0), "crate's old cell is now empty");
+        assert_eq!((b.player.x, b.player.y), (0, 0), "player didn't move yet");
+    }
+
+    // With the crate gone, a second push walks the player onto the vacated cell.
+    game.try_move(Direction::East);
+    game.tick(Duration::from_secs_f64(0.1));
+    let b = game.board();
+    assert_eq!((b.player.x, b.player.y), (1, 0), "player follows into the gap");
+}
+
 #[test]
 fn transporter_round_trips_to_its_keyword() {
     let board = load_board(&map(