Copy over 2014 bot code to the directory.

This is purely for the code review process. It does not compile.

Change-Id: I7617d245891b3218a98d3b21a3492763e22e0f88
diff --git a/y2014_bot3/control_loops/rollers/rollers.cc b/y2014_bot3/control_loops/rollers/rollers.cc
new file mode 100644
index 0000000..8777549
--- /dev/null
+++ b/y2014_bot3/control_loops/rollers/rollers.cc
@@ -0,0 +1,74 @@
+#include "bot3/control_loops/rollers/rollers.h"
+#include "bot3/control_loops/rollers/rollers.q.h"
+
+namespace bot3 {
+namespace control_loops {
+
+void RollersLoop::RunIteration(const Rollers::Goal *goal,
+                               const Rollers::Position * /*position*/,
+                               Rollers::Output *output,
+                               Rollers::Status * /*status*/) {
+  constexpr double kBot3IntakeForwardVoltage = 12.0;
+  constexpr double kBot3IntakeBackwardVoltage = -12.0;
+  constexpr double kBot3LowGoalForwardVoltage = 6.0;
+  constexpr double kBot3LowGoalBackwardVoltage = -6.0;
+
+  const int intake = goal->intake;
+  const int low_spit = goal->low_spit;
+  const bool human_player = goal->human_player;
+
+  if (!output) {
+    return;
+  }
+
+  output->Zero();
+
+  switch (low_spit) {
+    case 1:
+      // Spit towards front
+      output->low_goal_voltage = kBot3LowGoalBackwardVoltage;
+      output->front_intake_voltage = kBot3IntakeBackwardVoltage;
+      output->back_intake_voltage = -kBot3IntakeForwardVoltage;
+      break;
+    case -1:
+      // Spit towards back
+      output->low_goal_voltage = kBot3LowGoalForwardVoltage;
+      output->back_intake_voltage = -kBot3IntakeBackwardVoltage;
+      output->front_intake_voltage = kBot3IntakeForwardVoltage;
+      break;
+    default:
+      // Stationary
+      break;
+  }
+
+  switch (intake) {
+    case 1:
+      // Front intake.
+      output->front_extended = true;
+      output->back_extended = false;
+      output->front_intake_voltage = kBot3IntakeForwardVoltage;
+      output->back_intake_voltage = 0.0;
+      break;
+    case -1:
+      // Back intake.
+      output->back_extended = true;
+      output->front_extended = false;
+      output->back_intake_voltage = -kBot3IntakeForwardVoltage;
+      output->front_intake_voltage = 0.0;
+      break;
+    default:
+      // Stationary
+      break;
+  }
+
+  if (human_player) {
+    // Intake for human player.
+    output->front_extended = false;
+    output->back_extended = false;
+    output->front_intake_voltage = kBot3IntakeForwardVoltage;
+    output->back_intake_voltage = -kBot3IntakeForwardVoltage;
+  }
+}
+
+}  //  namespace control_loops
+}  //  namespace bot3