1 files changed, 5 insertions, 0 deletions
diff --git a/src/train.h b/src/train.h
index dc09889..9663150 100644
--- a/src/train.h
+++ b/src/train.h
@@ -14,11 +14,16 @@ public:
 	void draw(Bitmap&, int, int);
 
 	void setPosition(int x, int y);
+	// Add a vehicle to the end of this train
+	void addVehicle(Train*);
 
 private:
 	void findDirection();
 	void findNextTile();
 
+	Train* m_next { nullptr };
+	Train* m_prev { nullptr };
+
 	Bitmap m_sprite;
 	Level& m_level;