private bool ProcessFeature(int index, UnityTile tile, VectorLayerVisualizerProperties layerProperties, float layerExtent)
{
var fe = layerProperties.vectorTileLayer.GetFeature(index);
List <List <Point2d <float> > > geom;
if (layerProperties.buildingsWithUniqueIds == true) //ids from building dataset is big ulongs
{
geom = fe.Geometry <float>(); //and we're not clipping by passing no parameters
if (geom[0][0].X <0 || geom[0][0].X> layerExtent || geom[0][0].Y <0 || geom[0][0].Y> layerExtent)
{
return(false);
}
}
else //streets ids, will require clipping
{
geom = fe.Geometry <float>(0); //passing zero means clip at tile edge
}
var feature = new VectorFeatureUnity(layerProperties.vectorTileLayer.GetFeature(index),
geom,
tile,
layerProperties.vectorTileLayer.Extent,
layerProperties.buildingsWithUniqueIds);
if (IsFeatureEligibleAfterFiltering(feature, tile, layerProperties))
{
if (tile != null && tile.gameObject != null && tile.VectorDataState != Enums.TilePropertyState.Cancelled)
{
switch (layerProperties.featureProcessingStage)
{
case FeatureProcessingStage.PreProcess:
//pre process features.
PreProcessFeatures(feature, tile, tile.gameObject);
break;
case FeatureProcessingStage.Process:
//skip existing features, only works on tilesets with unique ids
if (ShouldSkipProcessingFeatureWithId(feature.Data.Id, tile, layerProperties))
{
return(false);
}
//feature not skipped. Add to pool only if features are in preprocess stage.
AddFeatureToTileObjectPool(feature, tile);
Build(feature, tile, tile.gameObject);
break;
case FeatureProcessingStage.PostProcess:
break;
default:
break;
}
_entityInCurrentCoroutine++;
}
}
return(true);
}
private bool ProcessFeature(int index, UnityTile tile, VectorLayerVisualizerProperties layerProperties)
{
var feature = GetFeatureinTileAtIndex(index, tile, layerProperties);
if (IsFeatureEligibleAfterFiltering(feature, tile, layerProperties))
{
if (tile != null && tile.gameObject != null && tile.VectorDataState != Enums.TilePropertyState.Cancelled)
{
switch (layerProperties.featureProcessingStage)
{
case FeatureProcessingStage.PreProcess:
//pre process features.
PreProcessFeatures(feature, tile, tile.gameObject);
break;
case FeatureProcessingStage.Process:
//skip existing features, only works on tilesets with unique ids
if (ShouldSkipProcessingFeatureWithId(feature.Data.Id, tile, layerProperties))
{
return(false);
}
//feature not skipped. Add to pool only if features are in preprocess stage.
AddFeatureToTileObjectPool(feature, tile);
Build(feature, tile, tile.gameObject);
break;
case FeatureProcessingStage.PostProcess:
break;
default:
break;
}
_entityInCurrentCoroutine++;
}
}
return(true);
}
protected IEnumerator ProcessLayer(VectorTileLayer layer, UnityTile tile, UnwrappedTileId tileId, Action <UnityTile, LayerVisualizerBase> callback = null)
{
if (tile == null)
{
yield break;
}
VectorLayerVisualizerProperties tempLayerProperties = new VectorLayerVisualizerProperties();
tempLayerProperties.vectorTileLayer = layer;
tempLayerProperties.featureProcessingStage = FeatureProcessingStage.PreProcess;
//Get all filters in the array.
tempLayerProperties.layerFeatureFilters = _layerProperties.filterOptions.filters.Select(m => m.GetFilterComparer()).ToArray();
// Pass them to the combiner
tempLayerProperties.layerFeatureFilterCombiner = new Filters.LayerFilterComparer();
switch (_layerProperties.filterOptions.combinerType)
{
case Filters.LayerFilterCombinerOperationType.Any:
tempLayerProperties.layerFeatureFilterCombiner = Filters.LayerFilterComparer.AnyOf(tempLayerProperties.layerFeatureFilters);
break;
case Filters.LayerFilterCombinerOperationType.All:
tempLayerProperties.layerFeatureFilterCombiner = Filters.LayerFilterComparer.AllOf(tempLayerProperties.layerFeatureFilters);
break;
case Filters.LayerFilterCombinerOperationType.None:
tempLayerProperties.layerFeatureFilterCombiner = Filters.LayerFilterComparer.NoneOf(tempLayerProperties.layerFeatureFilters);
break;
default:
break;
}
tempLayerProperties.buildingsWithUniqueIds = (_layerProperties.honorBuildingIdSetting) && _layerProperties.buildingsWithUniqueIds;
//find any replacement criteria and assign them
foreach (var goModifier in _defaultStack.GoModifiers)
{
if (goModifier is IReplacementCriteria && goModifier.Active)
{
SetReplacementCriteria((IReplacementCriteria)goModifier);
}
}
#region PreProcess & Process.
var featureCount = (tempLayerProperties.vectorTileLayer == null) ? 0 : tempLayerProperties.vectorTileLayer.FeatureCount();
do
{
for (int i = 0; i < featureCount; i++)
{
//checking if tile is recycled and changed
if (tile.UnwrappedTileId != tileId || !_activeCoroutines.ContainsKey(tile) || tile.TileState == Enums.TilePropertyState.Unregistered)
{
yield break;
}
ProcessFeature(i, tile, tempLayerProperties, layer.Extent);
if (IsCoroutineBucketFull && !(Application.isEditor && !Application.isPlaying))
{
//Reset bucket..
_entityInCurrentCoroutine = 0;
yield return(null);
}
}
// move processing to next stage.
tempLayerProperties.featureProcessingStage++;
} while (tempLayerProperties.featureProcessingStage == FeatureProcessingStage.PreProcess ||
tempLayerProperties.featureProcessingStage == FeatureProcessingStage.Process);
#endregion
#region PostProcess
// TODO : Clean this up to follow the same pattern.
var mergedStack = _defaultStack as MergedModifierStack;
if (mergedStack != null && tile != null)
{
mergedStack.End(tile, tile.gameObject, layer.Name);
}
#endregion
if (callback != null)
{
callback(tile, this);
}
}
/// <summary>
/// Function to check if the feature is already in the active Id pool, features already in active Id pool should be skipped from processing.
/// </summary>
/// <returns><c>true</c>, if feature is already in activeId pool or if the layer has buildingsWithUniqueId flag set to <see langword="true"/>, <c>false</c> otherwise.</returns>
/// <param name="featureId">Feature identifier.</param>
private bool ShouldSkipProcessingFeatureWithId(ulong featureId, UnityTile tile, VectorLayerVisualizerProperties layerProperties)
{
return(layerProperties.buildingsWithUniqueIds && _activeIds.Contains(featureId));
}
/// <summary>
/// Function to fetch feature in vector tile at the index specified.
/// </summary>
/// <returns>The feature in tile at the index requested.</returns>
/// <param name="tile">Unity Tile containing the feature.</param>
/// <param name="index">Index of the vector feature being requested.</param>
private VectorFeatureUnity GetFeatureinTileAtIndex(int index, UnityTile tile, VectorLayerVisualizerProperties layerProperties)
{
return(new VectorFeatureUnity(layerProperties.vectorTileLayer.GetFeature(index),
tile,
layerProperties.vectorTileLayer.Extent,
layerProperties.buildingsWithUniqueIds));
}
/// <summary>
/// Apply filters to the layer and check if the current feature is eleigible for rendering.
/// </summary>
/// <returns><c>true</c>, if feature eligible after filtering was applied, <c>false</c> otherwise.</returns>
/// <param name="feature">Feature.</param>
private bool IsFeatureEligibleAfterFiltering(VectorFeatureUnity feature, UnityTile tile, VectorLayerVisualizerProperties layerProperties)
{
if (layerProperties.layerFeatureFilters.Count() == 0)
{
return(true);
}
else
{
// build features only if the filter returns true.
if (layerProperties.layerFeatureFilterCombiner.Try(feature))
{
return(true);
}
}
return(false);
}
protected IEnumerator ProcessLayer(VectorTileLayer layer, UnityTile tile, Action callback = null)
{
//HACK to prevent request finishing on same frame which breaks modules started/finished events
yield return(null);
if (tile == null)
{
yield break;
}
VectorLayerVisualizerProperties tempLayerProperties = new VectorLayerVisualizerProperties();
tempLayerProperties.vectorTileLayer = layer;
tempLayerProperties.featureProcessingStage = FeatureProcessingStage.PreProcess;
//Get all filters in the array.
tempLayerProperties.layerFeatureFilters = _layerProperties.filterOptions.filters.Select(m => m.GetFilterComparer()).ToArray();
// Pass them to the combiner
tempLayerProperties.layerFeatureFilterCombiner = new Filters.LayerFilterComparer();
switch (_layerProperties.filterOptions.combinerType)
{
case Filters.LayerFilterCombinerOperationType.Any:
tempLayerProperties.layerFeatureFilterCombiner = Filters.LayerFilterComparer.AnyOf(tempLayerProperties.layerFeatureFilters);
break;
case Filters.LayerFilterCombinerOperationType.All:
tempLayerProperties.layerFeatureFilterCombiner = Filters.LayerFilterComparer.AllOf(tempLayerProperties.layerFeatureFilters);
break;
case Filters.LayerFilterCombinerOperationType.None:
tempLayerProperties.layerFeatureFilterCombiner = Filters.LayerFilterComparer.NoneOf(tempLayerProperties.layerFeatureFilters);
break;
default:
break;
}
tempLayerProperties.buildingsWithUniqueIds = (_layerProperties.honorBuildingIdSetting) && _layerProperties.buildingsWithUniqueIds;
////find any replacement criteria and assign them
foreach (var goModifier in _defaultStack.GoModifiers)
{
if (goModifier is IReplacementCriteria && goModifier.Active)
{
SetReplacementCriteria((IReplacementCriteria)goModifier);
}
}
#region PreProcess & Process.
var featureCount = tempLayerProperties.vectorTileLayer.FeatureCount();
do
{
for (int i = 0; i < featureCount; i++)
{
ProcessFeature(i, tile, tempLayerProperties);
if (IsCoroutineBucketFull)
{
//Reset bucket..
_entityInCurrentCoroutine = 0;
yield return(null);
}
}
// move processing to next stage.
tempLayerProperties.featureProcessingStage++;
} while (tempLayerProperties.featureProcessingStage == FeatureProcessingStage.PreProcess ||
tempLayerProperties.featureProcessingStage == FeatureProcessingStage.Process);
#endregion
#region PostProcess
// TODO : Clean this up to follow the same pattern.
var mergedStack = _defaultStack as MergedModifierStack;
if (mergedStack != null && tile != null)
{
mergedStack.End(tile, tile.gameObject, layer.Name);
}
#endregion
if (callback != null)
{
callback();
}
}
/// <summary>
/// Apply filters to the layer and check if the current feature is eleigible for rendering.
/// </summary>
/// <returns><c>true</c>, if feature eligible after filtering was applied, <c>false</c> otherwise.</returns>
/// <param name="feature">Feature.</param>
private bool IsFeatureEligibleAfterFiltering(VectorFeatureUnity feature, UnityTile tile, VectorLayerVisualizerProperties layerProperties)
{
return(!layerProperties.layerFeatureFilters.Any() || layerProperties.layerFeatureFilterCombiner.Try(feature));
// build features only if the filter returns true.
}