public void SetLaneData()
{
lanes = new List <MapLane>();
lanes.AddRange(GetComponentsInChildren <MapLane>());
lanesForward = new List <MapLane>();
lanesReverse = new List <MapLane>();
// for laneSections with branching lanes, all lanes should have at least 3 waypoints
for (var i = 0; i < lanes.Count; i++)
{
var lane = lanes[i];
// Self-reverse lane is not applied for this. Self-reverse lane is assigned to SOLID_WHITE manually.
if (lane.isSelfReverseLane)
{
continue;
}
isOneWay = true;
var laneIdx = lane.mapWorldPositions.Count - 1; // index to compute vector from lane to otherLane and distance between those two lanes
var laneDir = (lane.mapWorldPositions[1] - lane.mapWorldPositions[0]).normalized;
for (var j = 0; j < lanes.Count; j++)
{
var otherLane = lanes[j];
if (lane == otherLane)
{
continue;
}
var otherIdx = otherLane.mapWorldPositions.Count - 1;
// Check if these two lanes have same directions by check the dist between 1st pos in lane and (the 1st and last pos in otherLane).
var isSameDirection = true;
var laneDirection = (lane.mapWorldPositions[laneIdx] - lane.mapWorldPositions[0]).normalized;
var otherLaneDirection = (otherLane.mapWorldPositions[otherIdx] - otherLane.mapWorldPositions[0]).normalized;
if (Vector3.Dot(laneDirection, otherLaneDirection) < 0)
{
isSameDirection = false;
}
if (isSameDirection) // same direction
{
if (!lanesForward.Contains(lane) && !lanesReverse.Contains(lane))
{
lanesForward.Add(lane);
}
if (!lanesForward.Contains(otherLane) && !lanesReverse.Contains(otherLane))
{
lanesForward.Add(otherLane);
}
}
else // opposite direction
{
isOneWay = false;
if (!lanesForward.Contains(lane) && !lanesReverse.Contains(lane))
{
lanesForward.Add(lane);
}
if (!lanesReverse.Contains(otherLane) && !lanesForward.Contains(otherLane))
{
lanesReverse.Add(otherLane);
}
}
}
}
if (isOneWay == null)
{
return;
}
setLaneRelations(lanes);
int wayCount = isOneWay.Value ? 1 : 2;
for (int i = 0; i < wayCount; i++)
{
MapLane currentLane = null;
List <MapLane> edited = new List <MapLane>();
List <MapLane> currentLanes = i == 0 ? lanesForward : lanesReverse;
foreach (var lane in currentLanes)
{
if (lane.rightLaneForward == null)
{
currentLane = lane;
break;
}
}
var numLanes = i == 0 ? lanesForward.Count : lanesReverse.Count;
var cnt = 0;
while (currentLane != null)
{
edited.Add(currentLane);
currentLane.laneNumber = edited.Count;
currentLane.laneCount = currentLanes.Count;
currentLane = currentLane.leftLaneForward;
cnt += 1;
if (cnt > numLanes)
{
Debug.LogError("Erroneous loop! Please check this lane!");
#if UNITY_EDITOR
UnityEditor.Selection.activeObject = currentLane.gameObject;
#endif
return;
}
}
}
}
public void SetLaneData()
{
lanes = new List <MapLane>();
lanes.AddRange(GetComponentsInChildren <MapLane>());
lanesForward = new List <MapLane>();
lanesReverse = new List <MapLane>();
// for laneSections with branching lanes, all lanes should have at least 3 waypoints
for (var i = 0; i < lanes.Count; i++)
{
var lane = lanes[i];
// Self-reverse lane is not applied for this. Self-reverse lane is assigned to SOLID_WHITE manually.
if (lane.isSelfReverseLane)
{
continue;
}
isOneWay = true;
// set default left/right bound type.
lane.leftBoundType = LaneBoundaryType.DOTTED_WHITE;
lane.rightBoundType = LaneBoundaryType.DOTTED_WHITE;
var idx = 1; // index to compute vector from lane to otherLane and distance between those two lanes
var laneDir = (lane.mapWorldPositions[1] - lane.mapWorldPositions[0]).normalized;
var minDistLeft = 50f;
var minDistRight = 50f;
lane.leftLaneForward = null;
lane.leftLaneReverse = null;
lane.rightLaneForward = null;
lane.rightLaneReverse = null;
for (var j = 0; j < lanes.Count; j++)
{
var otherLane = lanes[j];
if (lane == otherLane)
{
continue;
}
// Check if these two lanes have same directions by check the dist between 1st pos in lane and (the 1st and last pos in otherLane).
var isSameDirection = true;
var laneDirection = (lane.mapWorldPositions[lane.mapWorldPositions.Count - 1] - lane.mapWorldPositions[0]).normalized;
var otherLaneDirection = (otherLane.mapWorldPositions[otherLane.mapWorldPositions.Count - 1] - otherLane.mapWorldPositions[0]).normalized;
if (Vector3.Dot(laneDirection, otherLaneDirection) < 0)
{
isSameDirection = false;
}
if (isSameDirection) // same direction
{
var cross = Vector3.Cross(laneDir, (otherLane.mapWorldPositions[idx] - lane.mapWorldPositions[idx]).normalized).y;
var dist = Mathf.RoundToInt(Vector3.Distance(lane.mapWorldPositions[idx], otherLane.mapWorldPositions[idx]));
if (cross < 0) // otherLane is left of lane
{
if (dist < minDistLeft) // closest lane left of lane is otherLane
{
minDistLeft = dist;
lane.leftLaneForward = otherLane;
}
}
else if (cross > 0) // otherLane is right of lane
{
if (dist < minDistRight) // closest lane right of lane is otherLane
{
minDistRight = dist;
lane.rightLaneForward = otherLane;
}
}
if (!lanesForward.Contains(lane) && !lanesReverse.Contains(lane))
{
lanesForward.Add(lane);
}
if (!lanesForward.Contains(otherLane) && !lanesReverse.Contains(otherLane))
{
lanesForward.Add(otherLane);
}
}
else // opposite direction
{
isOneWay = false;
var cross = Vector3.Cross(laneDir, (otherLane.mapWorldPositions[otherLane.mapWorldPositions.Count - 1 - idx] - lane.mapWorldPositions[idx]).normalized).y;
var dist = Mathf.RoundToInt(Vector3.Distance(lane.mapWorldPositions[idx], otherLane.mapWorldPositions[otherLane.mapWorldPositions.Count - 1 - idx]));
if (cross < 0) // otherLane is left of lane
{
if (dist < minDistLeft) // closest lane left of lane is otherLane
{
minDistLeft = dist;
lane.leftLaneReverse = otherLane;
}
}
else if (cross > 0) // otherLane is right of lane
{
if (dist < minDistRight) // closest lane right of lane is otherLane
{
minDistRight = dist;
lane.rightLaneReverse = otherLane;
}
}
if (!lanesForward.Contains(lane) && !lanesReverse.Contains(lane))
{
lanesForward.Add(lane);
}
if (!lanesReverse.Contains(otherLane) && !lanesForward.Contains(otherLane))
{
lanesReverse.Add(otherLane);
}
}
if (lane.leftLaneForward != null)
{
lane.leftLaneReverse = null; // null lane left reverse if not inside lane TODO right side
}
}
}
if (isOneWay == null)
{
return;
}
int wayCount = isOneWay.Value ? 1 : 2;
for (int i = 0; i < wayCount; i++)
{
MapLane currentLane = null;
List <MapLane> edited = new List <MapLane>();
List <MapLane> currentLanes = i == 0 ? lanesForward : lanesReverse;
foreach (var lane in currentLanes)
{
if (lane.rightLaneForward == null)
{
currentLane = lane;
lane.rightBoundType = LaneBoundaryType.CURB;
break;
}
}
var numLanes = i == 0 ? lanesForward.Count : lanesReverse.Count;
var cnt = 0;
while (currentLane != null)
{
edited.Add(currentLane);
currentLane.laneNumber = edited.Count;
currentLane.laneCount = currentLanes.Count;
currentLane = currentLane.leftLaneForward;
cnt += 1;
if (cnt > numLanes)
{
Debug.LogError("Erroneous loop! Please check this lane!");
#if UNITY_EDITOR
UnityEditor.Selection.activeObject = currentLane.gameObject;
#endif
return;
}
}
// Set left boundary type for the left most lane
if (isOneWay.Value)
{
edited[edited.Count - 1].leftBoundType = LaneBoundaryType.CURB;
}
else
{
edited[edited.Count - 1].leftBoundType = LaneBoundaryType.DOUBLE_YELLOW;
}
}
}
private static void ShowMsg(MapLane lane, MapLane otherLane)
{
Debug.LogWarning($"Can't determine lane relations between {lane.name} and {otherLane.name}");
Debug.Log("lane", lane.gameObject);
Debug.Log("otherLane", otherLane.gameObject);
}
