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Roundabouts generate only one instruction

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This commit is contained in:
DennisOSRM 2011-11-24 11:14:59 +01:00
parent fb1857f7cc
commit b5d2e56faf
1 changed files with 40 additions and 26 deletions
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26
Descriptors/JSONDescriptor.h
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@ -37,6 +37,11 @@ private:
DescriptionFactory descriptionFactory;
std::string tmp;
_Coordinate current;
struct {
int startIndex;
int nameID;
int leaveAtExit;
} roundAbout;
public:
JSONDescriptor() {}
@ -97,21 +102,29 @@ public:
//Example: ["Turn left","High Street",200,4,10,"200m","NE",22.5]
//See also: http://developers.cloudmade.com/wiki/navengine/JSON_format
unsigned prefixSumOfNecessarySegments = 0;
unsigned leaveAtExit = 0;
roundAbout.leaveAtExit = 0;
roundAbout.nameID = 0;
std::string tmpDist, tmpLength, tmp;
//Fetch data from Factory and generate a string from it.
BOOST_FOREACH(SegmentInformation segment, descriptionFactory.pathDescription) {
if(TurnInstructions.TurnIsNecessary( segment.turnInstruction) ) {
if(TurnInstructions.EnterRoundAbout == segment.turnInstruction) {
roundAbout.nameID = segment.nameID;
roundAbout.startIndex = prefixSumOfNecessarySegments;
} else {
if(0 != prefixSumOfNecessarySegments)
reply.content += ",";
reply.content += "[\"";
INFO("Instruction: " << segment.turnInstruction);
reply.content += TurnInstructions.TurnStrings[segment.turnInstruction];
if(TurnInstructions.LeaveRoundAbout == segment.turnInstruction) {
reply.content += " at ";
reply.content += TurnInstructions.Ordinals[leaveAtExit+1];
reply.content += TurnInstructions.TurnStrings[TurnInstructions.EnterRoundAbout];
reply.content += " and leave at ";
reply.content += TurnInstructions.Ordinals[roundAbout.leaveAtExit+1];
reply.content += " exit";
leaveAtExit = 0;
roundAbout.leaveAtExit = 0;
} else {
reply.content += TurnInstructions.TurnStrings[segment.turnInstruction];
}
reply.content += "\",\"";
reply.content += sEngine.GetEscapedNameForNameID(segment.nameID);
@ -128,8 +141,9 @@ public:
//TODO: fix heading
reply.content += "\",\"NE\",22.5";
reply.content += "]";
}
} else if(TurnInstructions.StayOnRoundAbout == segment.turnInstruction) {
++leaveAtExit;
++roundAbout.leaveAtExit;
}
if(segment.necessary)
++prefixSumOfNecessarySegments;