Added forwards and backwards flash lights.

Change-Id: I813aeb1f300115e323d32823fbbca7d01a834d00
diff --git a/y2016/control_loops/shooter/shooter.cc b/y2016/control_loops/shooter/shooter.cc
index 0936eea..629b980 100644
--- a/y2016/control_loops/shooter/shooter.cc
+++ b/y2016/control_loops/shooter/shooter.cc
@@ -84,7 +84,17 @@
 
     // Turn the lights on if we are supposed to spin.
     if (output) {
-      if (::std::abs(goal->angular_velocity) > 0.0 || goal->force_lights_on) {
+      if (::std::abs(goal->angular_velocity) > 0.0) {
+        output->lights_on = true;
+        if (goal->shooting_forwards) {
+          output->forwards_flashlight = true;
+          output->backwards_flashlight = false;
+        } else {
+          output->forwards_flashlight = false;
+          output->backwards_flashlight = true;
+        }
+      }
+      if (goal->force_lights_on) {
         output->lights_on = true;
       }
     }
diff --git a/y2016/control_loops/shooter/shooter.q b/y2016/control_loops/shooter/shooter.q
index b799b5a..0e00a02 100644
--- a/y2016/control_loops/shooter/shooter.q
+++ b/y2016/control_loops/shooter/shooter.q
@@ -31,6 +31,9 @@
 
     // Forces the lights on.
     bool force_lights_on;
+
+    // If true, the robot is shooting forwards.
+    bool shooting_forwards;
   };
 
   message Position {
@@ -65,6 +68,9 @@
 
     // If true, the lights are on.
     bool lights_on;
+
+    bool forwards_flashlight;
+    bool backwards_flashlight;
   };
 
   queue Goal goal;