diff options
author | Vladimir Byko-Ianko <v.bykoianko@corp.mail.ru> | 2015-09-10 10:42:26 +0300 |
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committer | Alex Zolotarev <alex@maps.me> | 2015-09-23 03:04:27 +0300 |
commit | d5dfe3d8cf20edc9ecadf21da1d19a2c9ab78bad (patch) | |
tree | a91d018632f8311394d21ee656418f2013b4bfcb /routing | |
parent | 947665eb78d2451679f5a9761e63026e3e00239b (diff) |
Displaying information about the turn after the next one only in some cases.
Diffstat (limited to 'routing')
-rw-r--r-- | routing/route.cpp | 21 | ||||
-rw-r--r-- | routing/route.hpp | 4 | ||||
-rw-r--r-- | routing/routing_session.cpp | 21 | ||||
-rw-r--r-- | routing/routing_tests/route_tests.cpp | 8 |
4 files changed, 39 insertions, 15 deletions
diff --git a/routing/route.cpp b/routing/route.cpp index 5467603c24..176d183ce2 100644 --- a/routing/route.cpp +++ b/routing/route.cpp @@ -165,14 +165,23 @@ void Route::GetCurrentTurn(double & distanceToTurnMeters, turns::TurnItem & turn m_poly.GetIterToIndex(segIdx)); } -void Route::GetNextTurn(turns::TurnItem & turn) const +void Route::GetNextTurn(double & distanceToTurnMeters, turns::TurnItem & turn) const { auto it = GetCurrentTurn(); - if (it != m_turns.end()) - ++it; - else - ASSERT(it != m_turns.end(), ()); - turn = it != m_turns.end() ? *it : turns::TurnItem(); + auto const turnsEnd = m_turns.end(); + ASSERT(it != turnsEnd, ()); + + if (it == turnsEnd || (it + 1) == turnsEnd) + { + turn = turns::TurnItem(); + distanceToTurnMeters = 0; + return; + } + + it += 1; + turn = *it; + distanceToTurnMeters = m_poly.GetDistanceM(m_poly.GetCurrentIter(), + m_poly.GetIterToIndex(it->m_index)); } void Route::GetCurrentDirectionPoint(m2::PointD & pt) const diff --git a/routing/route.hpp b/routing/route.hpp index 138470d35e..5fb780c7eb 100644 --- a/routing/route.hpp +++ b/routing/route.hpp @@ -74,7 +74,9 @@ public: void GetCurrentTurn(double & distanceToTurnMeters, turns::TurnItem & turn) const; /// Returns turn after current. - void GetNextTurn(turns::TurnItem & turn) const; + /// Fills the field distanceToTurnMeters with distance for current possition to + /// the turn after the next turn. + void GetNextTurn(double & distanceToTurnMeters, turns::TurnItem & turn) const; void GetCurrentDirectionPoint(m2::PointD & pt) const; diff --git a/routing/routing_session.cpp b/routing/routing_session.cpp index aaaa362940..421ef34190 100644 --- a/routing/routing_session.cpp +++ b/routing/routing_session.cpp @@ -17,8 +17,16 @@ namespace int constexpr kOnRouteMissedCount = 5; -// @todo(vbykoianko) The distance should depend on the current speed. +// @TODO(vbykoianko) The distance should depend on the current speed. double constexpr kShowLanesDistInMeters = 500.; +// @TODO(vbykoianko) The distance should depend on the current speed. +// The distance before the next turn in meters when notification +// about the turn after the next one will be shown if available. +double constexpr kShowTheTurnAfterTheNexetM = 500.; +// If the distance between two sequential turns is more than kMaxTurnDistM +// the information about the second turn will be shown when the user is +// nearing to the first one. +double constexpr kMaxTurnDistM = 50.; // @todo(kshalnev) The distance may depend on the current speed. double constexpr kShowPedestrianTurnInMeters = 5.; @@ -200,15 +208,20 @@ void RoutingSession::GetRouteFollowingInfo(FollowingInfo & info) const { formatDistFn(m_route.GetCurrentDistanceToEndMeters(), info.m_distToTarget, info.m_targetUnitsSuffix); - double distanceToTurnMeters = 0.; + double distanceToTurnMeters = 0., distanceToNextTurnMeters = 0.; turns::TurnItem turn; turns::TurnItem nextTurn; m_route.GetCurrentTurn(distanceToTurnMeters, turn); - m_route.GetNextTurn(nextTurn); + m_route.GetNextTurn(distanceToNextTurnMeters, nextTurn); + double const distBetweenTurnsM = distanceToNextTurnMeters - distanceToTurnMeters; + ASSERT_LESS_OR_EQUAL(0, distBetweenTurnsM, ()); formatDistFn(distanceToTurnMeters, info.m_distToTurn, info.m_turnUnitsSuffix); info.m_turn = turn.m_turn; - info.m_nextTurn = nextTurn.m_turn; + if (distanceToTurnMeters < kShowTheTurnAfterTheNexetM && distBetweenTurnsM < kMaxTurnDistM) + info.m_nextTurn = nextTurn.m_turn; + else + info.m_nextTurn = routing::turns::TurnDirection::NoTurn; info.m_exitNum = turn.m_exitNum; info.m_time = m_route.GetCurrentTimeToEndSec(); info.m_sourceName = turn.m_sourceName; diff --git a/routing/routing_tests/route_tests.cpp b/routing/routing_tests/route_tests.cpp index 317fb085ff..20763bf9d0 100644 --- a/routing/routing_tests/route_tests.cpp +++ b/routing/routing_tests/route_tests.cpp @@ -86,24 +86,24 @@ UNIT_TEST(NextTurnTest) vector<turns::TurnItem> turns(kTestTurns); route.SetTurnInstructions(turns); - double distance; + double distance, nextDistance; turns::TurnItem turn; turns::TurnItem nextTurn; route.GetCurrentTurn(distance, turn); - route.GetNextTurn(nextTurn); + route.GetNextTurn(nextDistance, nextTurn); TEST_EQUAL(turn, kTestTurns[0], ()); TEST_EQUAL(nextTurn, kTestTurns[1], ()); route.MoveIterator(GetGps(0.5, 1)); route.GetCurrentTurn(distance, turn); - route.GetNextTurn(nextTurn); + route.GetNextTurn(nextDistance, nextTurn); TEST_EQUAL(turn, kTestTurns[1], ()); TEST_EQUAL(nextTurn, kTestTurns[2], ()); route.MoveIterator(GetGps(1, 1.5)); route.GetCurrentTurn(distance, turn); - route.GetNextTurn(nextTurn); + route.GetNextTurn(nextDistance, nextTurn); TEST_EQUAL(turn, kTestTurns[2], ()); TEST_EQUAL(nextTurn, turns::TurnItem(), ()); } |