Trains move on tracks to the beat

Small implementation changes in various places, biggest thing is now we're using ranges, which is experimental and will be included for real in C++20.

1 files changed, 7 insertions, 0 deletions

@@ -4,6 +4,7 @@
 #include <set>
 #include "vector.h"
 #include "enums.h"
+#include "direction.h"
 
 class Entity {
 public:
@@ -14,6 +15,7 @@ public:
 
   // Grid placement
   vec2s gridPos;
+  Layer layer = Layer::object;
 
   // Movement
   Direction shouldMoveTo = Direction::none;
@@ -35,6 +37,11 @@ public:
 
   bool scheduled = false;
 
+  // Track
+  bool isTrack = false;
+  Direction trackDir1 = Direction::none;
+  Direction trackDir2 = Direction::none;
+
 };
 
 #endif /* end of include guard: ENTITY_H_0D6CB29A */