public async Task Convert(MapDocument document, SceneBuilder builder, IEnumerable <IMapObject> affected, ResourceCollector resourceCollector)
{
var objs = document.Map.Root.FindAll();
if (affected != null)
{
var groups = affected.Select(x => x.ID / 200).ToHashSet();
foreach (var g in groups)
{
resourceCollector.RemoveRenderables(builder.GetRenderablesForGroup(g));
builder.DeleteGroup(g);
}
objs = objs.Where(x => groups.Contains(x.ID / 200)).ToList();
}
var converters = _converters.Select(x => x.Value).OrderBy(x => (int)x.Priority).ToList();
var groupConverters = _groupConverters.Select(x => x.Value).OrderBy(x => (int)x.Priority).ToList();
foreach (var g in objs.GroupBy(x => x.ID / 200))
{
builder.EnsureGroupExists(g.Key);
var buffer = builder.GetBufferForGroup(g.Key);
var collector = new ResourceCollector();
foreach (var gc in groupConverters)
{
gc.Convert(buffer, document, g, collector);
}
foreach (var obj in g)
{
foreach (var converter in converters)
{
if (!converter.Supports(obj))
{
continue;
}
await converter.Convert(buffer, document, obj, collector);
if (converter.ShouldStopProcessing(document, obj))
{
break;
}
}
}
builder.RemoveRenderablesFromGroup(g.Key, collector.GetRenderablesToRemove());
builder.AddRenderablesToGroup(g.Key, collector.GetRenderablesToAdd());
resourceCollector.Merge(collector);
}
builder.Complete();
}