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Emit a notification when turning on a ferry and don't merge step

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This commit is contained in:
Patrick Niklaus
2017-04-06 20:50:59 +00:00
committed by Patrick Niklaus
parent e0593c7ca2
commit 4e9e2ed5bd
2 changed files with 41 additions and 21 deletions
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src/engine/guidance/post_processing.cpp
+26 -8
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@@ -118,12 +118,14 @@ bool setUpRoundabout(RouteStep &step)
void closeOffRoundabout(const bool on_roundabout,
std::vector<RouteStep> &steps,
const std::size_t step_index)
std::size_t step_index)
{
auto &step = steps[step_index];
step.maneuver.exit += 1;
if (!on_roundabout)
{
BOOST_ASSERT(steps.size() >= 2);
// We reached a special case that requires the addition of a special route step in the
// beginning. We started in a roundabout, so to announce the exit, we move use the exit
// instruction and move it right to the beginning to make sure to immediately announce the
@@ -160,6 +162,23 @@ void closeOffRoundabout(const bool on_roundabout,
}
}
if (step_index > 1)
{
auto &exit_step = steps[step_index];
auto &prev_step = steps[step_index - 1];
// In case the step with the roundabout exit instruction cannot be merged with the
// previous step we change the instruction to a normal turn
if (!guidance::haveSameMode(exit_step, prev_step))
{
BOOST_ASSERT(leavesRoundabout(exit_step.maneuver.instruction));
prev_step.maneuver.instruction = exit_step.maneuver.instruction;
if (!entersRoundabout(prev_step.maneuver.instruction))
prev_step.maneuver.exit = exit_step.maneuver.exit;
exit_step.maneuver.instruction.type = TurnType::Notification;
step_index--;
}
}
// Normal exit from the roundabout, or exit from a previously fixed roundabout. Propagate the
// index back to the entering location and prepare the current silent set of instructions for
// removal.
@@ -170,6 +189,7 @@ void closeOffRoundabout(const bool on_roundabout,
const auto exit_intersection = steps[step_index].intersections.front();
const auto exit_bearing = exit_intersection.bearings[exit_intersection.out];
const auto destination_copy = step;
if (step_index > 1)
{
// The very first route-step is head, so we cannot iterate past that one
@@ -177,8 +197,11 @@ void closeOffRoundabout(const bool on_roundabout,
--propagation_index)
{
auto &propagation_step = steps[propagation_index];
propagation_step.ElongateBy(steps[propagation_index + 1]);
propagation_step.maneuver.exit = steps[propagation_index + 1].maneuver.exit;
auto &next_step = steps[propagation_index + 1];
propagation_step.ElongateBy(next_step);
propagation_step.maneuver.exit = next_step.maneuver.exit;
next_step.Invalidate();
if (entersRoundabout(propagation_step.maneuver.instruction))
{
const auto entry_intersection = propagation_step.intersections.front();
@@ -206,13 +229,8 @@ void closeOffRoundabout(const bool on_roundabout,
}
propagation_step.AdaptStepSignage(destination_copy);
steps[propagation_index + 1].Invalidate();
break;
}
else
{
steps[propagation_index + 1].Invalidate();
}
}
// remove exit
}