List <List <IntPoint> > PolygonsFromRoadOutline(float extensionDistance)
{
var polygons = new List <List <IntPoint> >();
var rnd = Parameters.roadNetworkDescription;
foreach (var road in rnd.AllRoads)
{
var points = GeometrySampling.BuildSamplesFromRoadOutlineWithExtensionDistance(
road, 0.5f, extensionDistance, Parameters.outermostLaneType);
var path = new List <IntPoint>(points.Length);
foreach (var point in points)
{
path.Add(new IntPoint(
point.pose.pos.x * PlacementUtility.UpScaleFactor,
point.pose.pos.z * PlacementUtility.UpScaleFactor));
}
if (!Clipper.Orientation(path))
{
path.Reverse();
}
polygons.Add(path);
points.Dispose();
}
return(polygons);
}
/// <summary>
/// This approach uses a single large NativeArray of samples filled in by each job instead of adding temporary DynamicBuffers to the entities.
/// This appears to be the best balance between speed and simplicity.
///
/// Test results:
/// Total: ~40ms
/// Setup: ~0ms
/// Combine: 2.27ms
/// </summary>
private List <List <IntPoint> > PolygonsFromRoadOutlineEntityForEachSeparateBuffer(float extensionDistance, JobHandle jobHandle)
{
Profiler.BeginSample("PolygonsFromRoadOutlineEntityForEachSeparateBuffer");
Profiler.BeginSample("PolygonsFromRoadOutlineEntityForEachSeparateBuffer_Setup");
var polygons = new List <List <IntPoint> >();
var sampleStartIndexMap = new NativeHashMap <Entity, RoadSampleSpan>(300, Allocator.TempJob);
var sampleCountTotal = 0;
Entities.ForEach((int entityInQueryIndex, Entity entity, ref EcsRoad road) =>
{
var sampleCount = GeometrySampling.ComputeSampleCountForRoadOutline(road, .5f);
sampleStartIndexMap[entity] = new RoadSampleSpan
{
startIndex = sampleCountTotal,
count = sampleCount
};
sampleCountTotal += sampleCount;
}).Run();
var samples = new NativeArray <PointSampleGlobal>(sampleCountTotal, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
var job = Entities.ForEach((Entity entity,
ref EcsRoad road,
in DynamicBuffer <Geometry> ecsGeometries,
in DynamicBuffer <EcsLane> ecsLanes,
in DynamicBuffer <EcsLaneSection> ecsLaneSections,
in DynamicBuffer <LaneOffset> laneOffsets,
in DynamicBuffer <LaneWidthRecord> laneWidthRecords) => //(Entity entity, ref EcsRoad road) =>
{
var ecsRoadData = new EcsRoadData()
{
ecsRoad = road,
ecsGeometries = ecsGeometries,
ecsLaneSections = ecsLaneSections,
ecsLanes = ecsLanes,
laneOffsets = laneOffsets,
laneWidthRecords = laneWidthRecords
};;
var roadSampleSpan = sampleStartIndexMap[entity];
GeometrySampling.BuildSamplesFromRoadOutlineWithExtensionDistance(
ecsRoadData, 0.5f, extensionDistance, new NativeSlice <PointSampleGlobal>(samples, roadSampleSpan.startIndex, roadSampleSpan.count));
}).WithReadOnly(sampleStartIndexMap).WithoutBurst().Schedule(jobHandle);
public void Execute()
{
for (int i = 0; i < outlineJobBatch.count; i++)
{
var outlineJobParam = outlineJobParams[outlineJobBatch.startIndex + i];
var entity = outlineJobParam.entity;
var ecsRoadData = new EcsRoadData()
{
ecsRoad = ecsRoadGetter[entity],
ecsGeometries = geometryGetter[entity],
ecsLaneSections = laneSectionGetter[entity],
ecsLanes = laneGetter[entity],
laneOffsets = laneOffsetGetter[entity],
laneWidthRecords = laneWidthRecordGetter[entity]
};
GeometrySampling.BuildSamplesFromRoadOutlineWithExtensionDistance(
ecsRoadData, 0.5f, extensionDistance, new NativeSlice <PointSampleGlobal>(samples, outlineJobParam.startIndex, outlineJobParam.count));
}
}
