Added 3 can auto.

Change-Id: Id81eafb797708d44c95b754947badc46fb552421
diff --git a/bot3/autonomous/auto.cc b/bot3/autonomous/auto.cc
index 813b1ec..e76d8aa 100644
--- a/bot3/autonomous/auto.cc
+++ b/bot3/autonomous/auto.cc
@@ -9,6 +9,7 @@
 #include "aos/common/logging/queue_logging.h"
 
 #include "bot3/autonomous/auto.q.h"
+#include "bot3/actors/drivetrain_actor.h"
 #include "bot3/control_loops/drivetrain/drivetrain.q.h"
 #include "bot3/control_loops/drivetrain/drivetrain.h"
 #include "bot3/control_loops/elevator/elevator.q.h"
@@ -18,6 +19,7 @@
 using ::bot3::control_loops::drivetrain_queue;
 using ::bot3::control_loops::intake_queue;
 using ::bot3::control_loops::elevator_queue;
+using ::bot3::control_loops::kDrivetrainTurnWidth;
 
 namespace bot3 {
 namespace autonomous {
@@ -28,6 +30,15 @@
 };
 
 namespace time = ::aos::time;
+namespace actors = ::frc971::actors;
+
+const ProfileParams kFastDrive = {3.0, 3.5};
+const ProfileParams kLastDrive = {4.0, 4.0};
+const ProfileParams kStackingFirstTurn = {3.0, 7.0};
+const ProfileParams kFinalDriveTurn = {3.0, 5.0};
+const ProfileParams kSlowFirstDriveTurn = {0.75, 1.5};
+const ProfileParams kSlowSecondDriveTurn = {0.6, 1.5};
+const ProfileParams kCanPickupDrive = {1.3, 3.0};
 
 static double left_initial_position, right_initial_position;
 
@@ -61,6 +72,60 @@
       control_loops::drivetrain_queue.status->filtered_right_position;
 }
 
+::std::unique_ptr< ::frc971::actors::DrivetrainAction> SetDriveGoal(
+    double distance, const ProfileParams drive_params, double theta,
+    const ProfileParams &turn_params) {
+  LOG(INFO, "Driving to %f\n", distance);
+
+  actors::DrivetrainActionParams params;
+  params.left_initial_position = left_initial_position;
+  params.right_initial_position = right_initial_position;
+  params.y_offset = distance;
+  params.theta_offset = theta;
+  params.maximum_turn_acceleration = turn_params.acceleration;
+  params.maximum_turn_velocity = turn_params.velocity;
+  params.maximum_velocity = drive_params.velocity;
+  params.maximum_acceleration = drive_params.acceleration;
+  auto drivetrain_action = actors::MakeDrivetrainAction(params);
+
+  drivetrain_action->Start();
+  left_initial_position += distance - theta * kDrivetrainTurnWidth / 2.0;
+  right_initial_position += distance + theta * kDrivetrainTurnWidth / 2.0;
+  return ::std::move(drivetrain_action);
+}
+void WaitUntilDoneOrCanceled(
+    ::std::unique_ptr<aos::common::actions::Action> action) {
+  if (!action) {
+    LOG(ERROR, "No action, not waiting\n");
+    return;
+  }
+  while (true) {
+    // Poll the running bit and auto done bits.
+    ::aos::time::PhasedLoopXMS(5, 2500);
+    if (!action->Running() || ShouldExitAuto()) {
+      return;
+    }
+  }
+}
+
+void WaitUntilNear(double distance) {
+  while (true) {
+    if (ShouldExitAuto()) return;
+    control_loops::drivetrain_queue.status.FetchAnother();
+    double left_error = ::std::abs(
+        left_initial_position -
+        control_loops::drivetrain_queue.status->filtered_left_position);
+    double right_error = ::std::abs(
+        right_initial_position -
+        control_loops::drivetrain_queue.status->filtered_right_position);
+    const double kPositionThreshold = 0.05 + distance;
+    if (right_error < kPositionThreshold && left_error < kPositionThreshold) {
+      LOG(INFO, "At the goal\n");
+      return;
+    }
+  }
+}
+
 void GrabberForTime(double voltage, double wait_time) {
   ::aos::time::Time now = ::aos::time::Time::Now();
   ::aos::time::Time end_time = now + time::Time::InSeconds(wait_time);
@@ -141,12 +206,250 @@
   GrabberForTime(-3.0, 12.0);
 }
 
+const ProfileParams kElevatorProfile = {1.0, 5.0};
+
+static double elevator_goal_height = 0.0;
+
+void SetElevatorHeight(double height, const ProfileParams params,
+                       bool can_open = false, bool support_open = true) {
+  // Send our elevator goals, with limits set in the profile params.
+  auto new_elevator_goal = elevator_queue.goal.MakeMessage();
+  elevator_goal_height = height;
+  new_elevator_goal->max_velocity = params.velocity;
+  new_elevator_goal->max_acceleration = params.acceleration;
+  new_elevator_goal->height = elevator_goal_height;
+  new_elevator_goal->velocity = 0.0;
+  new_elevator_goal->passive_support = support_open;
+  new_elevator_goal->can_support = can_open;
+
+  if (new_elevator_goal.Send()) {
+    LOG(DEBUG, "sending goals: elevator: %f\n", elevator_goal_height);
+  } else {
+    LOG(ERROR, "Sending elevator goal failed.\n");
+  }
+}
+
+void WaitForElevator() {
+  while (true) {
+    if (ShouldExitAuto()) return;
+    control_loops::elevator_queue.status.FetchAnother();
+
+    constexpr double kProfileError = 1e-5;
+    constexpr double kEpsilon = 0.03;
+
+    if (::std::abs(control_loops::elevator_queue.status->goal_height -
+                   elevator_goal_height) <
+            kProfileError &&
+        ::std::abs(control_loops::elevator_queue.status->goal_velocity) <
+            kProfileError) {
+      LOG(INFO, "Profile done.\n");
+      if (::std::abs(control_loops::elevator_queue.status->height -
+                     elevator_goal_height) <
+          kEpsilon) {
+        LOG(INFO, "Near goal, done.\n");
+        return;
+      }
+    }
+  }
+}
+
+void WaitUntilElevatorBelow(double height) {
+  while (true) {
+    if (ShouldExitAuto()) return;
+    control_loops::elevator_queue.status.FetchAnother();
+
+    if (control_loops::elevator_queue.status->goal_height < height) {
+      LOG(INFO, "Profile below.\n");
+      if (control_loops::elevator_queue.status->height < height) {
+        LOG(INFO, "Elevator below goal, done.\n");
+        return;
+      }
+    }
+  }
+}
+
+void WaitUntilElevatorAbove(double height) {
+  while (true) {
+    if (ShouldExitAuto()) return;
+    control_loops::elevator_queue.status.FetchAnother();
+
+    if (control_loops::elevator_queue.status->goal_height > height) {
+      LOG(INFO, "Profile above.\n");
+      if (control_loops::elevator_queue.status->height > height) {
+        LOG(INFO, "Elevator above goal, done.\n");
+        return;
+      }
+    }
+  }
+}
+
+void LiftTote(double final_height = 0.48) {
+  // Send our intake goals.
+  if (!intake_queue.goal.MakeWithBuilder().movement(10.0).claw_closed(true)
+          .Send()) {
+    LOG(ERROR, "Sending intake goal failed.\n");
+  }
+
+  while (true) {
+    elevator_queue.status.FetchAnother();
+    if (!elevator_queue.status.get()) {
+      LOG(ERROR, "Got no elevator status packet.\n");
+    }
+    if (ShouldExitAuto()) return;
+    if (elevator_queue.status->has_tote) {
+      break;
+    }
+  }
+  if (!intake_queue.goal.MakeWithBuilder().movement(0.0).claw_closed(true)
+          .Send()) {
+    LOG(ERROR, "Sending intake goal failed.\n");
+  }
+  SetElevatorHeight(0.02, kElevatorProfile, false, false);
+  WaitUntilElevatorBelow(0.05);
+  if (ShouldExitAuto()) return;
+
+  SetElevatorHeight(final_height, kElevatorProfile, false, false);
+}
+
+void TripleCanAuto() {
+  ::aos::time::Time start_time = ::aos::time::Time::Now();
+
+  ::std::unique_ptr<::frc971::actors::DrivetrainAction> drive;
+  InitializeEncoders();
+  ResetDrivetrain();
+
+  SetElevatorHeight(0.03, kElevatorProfile, false, true);
+
+
+  LiftTote();
+  if (ShouldExitAuto()) return;
+
+  // The amount to turn out for going around the first can.
+  const double kFirstTurn = 0.5;
+
+  drive = SetDriveGoal(0.0, kFastDrive, kFirstTurn, kStackingFirstTurn);
+
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+
+  drive = SetDriveGoal(2.0, kFastDrive, -kFirstTurn * 2.0, kSlowFirstDriveTurn);
+
+  WaitUntilNear(1.5);
+  if (ShouldExitAuto()) return;
+
+  if (!intake_queue.goal.MakeWithBuilder().movement(0.0).claw_closed(false)
+          .Send()) {
+    LOG(ERROR, "Sending intake goal failed.\n");
+  }
+
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+
+  drive = SetDriveGoal(0.0, kFastDrive, kFirstTurn, kStackingFirstTurn);
+  LiftTote();
+  if (ShouldExitAuto()) return;
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+
+  // The amount to turn out for going around the second can.
+  const double kSecondTurn = 0.35;
+  const double kSecondTurnExtraOnSecond = 0.10;
+
+  drive = SetDriveGoal(0.0, kFastDrive, kSecondTurn, kStackingFirstTurn);
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+
+  drive =
+      SetDriveGoal(2.05, kFastDrive, -kSecondTurn * 2.0 - kSecondTurnExtraOnSecond, kSlowSecondDriveTurn);
+  WaitUntilNear(1.5);
+
+  if (!intake_queue.goal.MakeWithBuilder().movement(0.0).claw_closed(false)
+          .Send()) {
+    LOG(ERROR, "Sending intake goal failed.\n");
+  }
+
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+
+  drive = SetDriveGoal(0.0, kFastDrive, kSecondTurn + kSecondTurnExtraOnSecond, kStackingFirstTurn);
+
+  LiftTote(0.18);
+
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+
+  drive = SetDriveGoal(0.3, kFastDrive, -1.7, kFinalDriveTurn);
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+
+  if (!intake_queue.goal.MakeWithBuilder().movement(0.0).claw_closed(false)
+          .Send()) {
+    LOG(ERROR, "Sending intake goal failed.\n");
+  }
+
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+  drive = SetDriveGoal(2.95, kLastDrive, 0.0, kFinalDriveTurn);
+
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+
+  SetElevatorHeight(0.03, kElevatorProfile, true, true);
+  WaitForElevator();
+  if (ShouldExitAuto()) return;
+
+  drive = SetDriveGoal(-2.25, kFastDrive, 0.0, kFinalDriveTurn);
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+
+  drive = SetDriveGoal(0.0, kFastDrive, 1.80, kFinalDriveTurn);
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+
+  if (!intake_queue.goal.MakeWithBuilder().movement(10.0).claw_closed(true)
+          .Send()) {
+    LOG(ERROR, "Sending intake goal failed.\n");
+  }
+  SetElevatorHeight(0.03, kElevatorProfile, false, true);
+
+  drive = SetDriveGoal(1.0, kCanPickupDrive, 0.0, kFinalDriveTurn);
+  WaitUntilDoneOrCanceled(::std::move(drive));
+  if (ShouldExitAuto()) return;
+
+  SetElevatorHeight(0.03, kElevatorProfile, true, true);
+
+  while (true) {
+    elevator_queue.status.FetchAnother();
+    if (!elevator_queue.status.get()) {
+      LOG(ERROR, "Got no elevator status packet.\n");
+    }
+    if (ShouldExitAuto()) return;
+    if (elevator_queue.status->has_tote) {
+      LOG(INFO, "Got the tote!\n");
+      break;
+    }
+    if ((::aos::time::Time::Now() - start_time) > time::Time::InSeconds(15.0)) {
+      LOG(INFO, "Out of time\n");
+      break;
+    }
+  }
+
+  ::aos::time::Time end_time = ::aos::time::Time::Now();
+  LOG(INFO, "Ended auto with %f to spare\n",
+      (time::Time::InSeconds(15.0) - (end_time - start_time)).ToSeconds());
+  if (!intake_queue.goal.MakeWithBuilder().movement(0.0).claw_closed(true)
+          .Send()) {
+    LOG(ERROR, "Sending intake goal failed.\n");
+  }
+}
+
 void HandleAuto() {
   ::aos::time::Time start_time = ::aos::time::Time::Now();
   LOG(INFO, "Starting auto mode at %f\n", start_time.ToSeconds());
 
   // TODO(comran): Add various options for different autos down below.
-  CanGrabberAuto();
+  //CanGrabberAuto();
+  TripleCanAuto();
 }
 
 }  // namespace autonomous
diff --git a/bot3/autonomous/autonomous.gyp b/bot3/autonomous/autonomous.gyp
index ed93ad6..11dd524 100644
--- a/bot3/autonomous/autonomous.gyp
+++ b/bot3/autonomous/autonomous.gyp
@@ -20,6 +20,7 @@
         '<(AOS)/common/controls/controls.gyp:control_loop',
         '<(DEPTH)/bot3/control_loops/drivetrain/drivetrain.gyp:drivetrain_queue',
         '<(DEPTH)/bot3/control_loops/drivetrain/drivetrain.gyp:drivetrain_lib',
+        '<(DEPTH)/bot3/actors/actors.gyp:drivetrain_action_lib',
         '<(DEPTH)/bot3/control_loops/elevator/elevator.gyp:elevator_queue',
         '<(DEPTH)/bot3/control_loops/intake/intake.gyp:intake_queue',
         '<(AOS)/common/common.gyp:time',