Make AIControl states clearer

[r2c2.git] / source / libr2c2 / aicontrol.h

diff --git a/source/libr2c2/aicontrol.h b/source/libr2c2/aicontrol.h
index 0d84218875848f69b111cb668ab25348f5150118..9e0808e1b821803179e627c9f1d7536c226b3c49 100644 (file)
--- a/source/libr2c2/aicontrol.h
+++ b/source/libr2c2/aicontrol.h
@@ -18,11 +18,18 @@ class Train;
 class AIControl: public Controller, public sigc::trackable
 {
 private:
+       enum State
+       {
+               NORMAL,
+               APPROACH,
+               BLOCKED,
+               FOLLOW
+       };
+
        Train &train;
        Controller *next_ctrl;
        Control target_speed;
-       bool blocked;
-       bool approach;
+       State state;
 
 public:
        AIControl(Train &, Controller *);