// "temporarily" copy the logic to get all of our ways
private static List<Way> TempGetWays(BlobCollection blobs)
{
Dictionary<long, Way> wayLookup = new Dictionary<long, Way>();
foreach (var way in blobs.EnumerateWays(false)) wayLookup[way.id] = way;
HashSet<long> ways = new HashSet<long>();
HashSet<long> innersOuters = new HashSet<long>();
HashSet<long> otherInnerOuters = new HashSet<long>();
foreach (var way in TempGetRelationWays("natural", "water", blobs))
{
ways.Add(way);
innersOuters.Add(way);
}
foreach (var way in TempGetRelationWays("building", "yes", blobs))
{
ways.Add(way);
innersOuters.Add(way);
}
foreach (var way in TempGetRelationWays(blobs))
{
if (!innersOuters.Contains(way)) otherInnerOuters.Add(way);
}
foreach (var way in TempGetWays("natural", "coastline", blobs)) ways.Add(way);
foreach (var way in TempGetWays("natural", "water", blobs))
{
if (!innersOuters.Contains(way) && wayLookup[way].refs.Count > 2)
{
// some folks forget to close a simple way, or perhaps the mistake is tagging subcomponents of a relation
// then there's just straight up errors like way 43291726
if (wayLookup[way].refs.Last() != wayLookup[way].refs.First())
{
if (otherInnerOuters.Contains(way)) continue; // unsure of how else to ignore bad ways like 43815149
wayLookup[way].refs.Add(wayLookup[way].refs.First());
}
}
ways.Add(way);
}
foreach (var way in TempGetWays("building", "yes", blobs))
{
if (!innersOuters.Contains(way) && wayLookup[way].refs.Count > 2)
{
// some folks forget to close a simple way, or perhaps the mistake is tagging subcomponents of a relation
// then there's just straight up errors like way 43291726
if (wayLookup[way].refs.Last() != wayLookup[way].refs.First())
{
if (otherInnerOuters.Contains(way)) continue; // unsure of how else to ignore bad ways like 43815149
wayLookup[way].refs.Add(wayLookup[way].refs.First());
}
}
ways.Add(way);
}
return ways.Where(x => wayLookup.ContainsKey(x)).Select(x => wayLookup[x]).ToList();
}
// generates a zero-width quad for each line in the blob collection, with texture and color
// arrow texture will point in the direction the nodes are given in
internal static BasicVertexBuffer GenerateDebugLines(GraphicsDevice graphicsDevice, BlobCollection blobs)
{
List <int> indices = new List <int>();
List <VertexPositionNormalTexture> vertices = new List <VertexPositionNormalTexture>();
foreach (Way way in blobs.EnumerateWays())
{
long?prev = null;
foreach (var nodeRef in way.refs)
{
long?v = blobs.nodes.ContainsKey(nodeRef) ? nodeRef : (long?)null;
if (prev != null && v != null)
{
Vector2d pos1 = blobs.nodes[prev.Value];
Vector2d pos2 = blobs.nodes[v.Value];
float length = (float)(pos2 - pos1).Length();
// unfortunately calculating the normal from the next/prev vertex in the vertexshader has issues, due to WVP inaccuracies of offscreen vertices
Vector2d normalRight = (pos2 - pos1).RotateCW90().Normalized();
Vector2d normalLeft = (pos2 - pos1).RotateCCW90().Normalized();
// the top of the image will be at the end of the path
var topLeft = new VertexPositionNormalTexture(new Vector3(pos2, 0), new Vector3(normalLeft, 0), new Vector2(0, 0));
var topRight = new VertexPositionNormalTexture(new Vector3(pos2, 0), new Vector3(normalRight, 0), new Vector2(1, 0));
var bottomLeft = new VertexPositionNormalTexture(new Vector3(pos1, 0), new Vector3(normalLeft, 0), new Vector2(0, length));
var bottomRight = new VertexPositionNormalTexture(new Vector3(pos1, 0), new Vector3(normalRight, 0), new Vector2(1, length));
vertices.Add(topLeft);
vertices.Add(topRight);
vertices.Add(bottomLeft);
vertices.Add(bottomRight);
// TODO: undo the bad flipping when we're ready
int i = vertices.Count - 4;
indices.Add(i);
indices.Add(i + 3);
indices.Add(i + 1);
indices.Add(i);
indices.Add(i + 2);
indices.Add(i + 3);
}
prev = v;
}
}
return(new BasicVertexBuffer(graphicsDevice, indices, vertices, GlobalContent.CCWArrows, true, PrimitiveType.TriangleList));
}
private void LoadDetailsFromSource(ISector sector)
{
BlobCollection blobs = OSMReader.GetAllBlobs(sector);
foreach (var way in blobs.EnumerateWays(false))
{
for (int i = 0; i < way.refs.Count; i++)
{
long ref1 = way.refs[i];
long ref2 = way.refs[(i + 1) % way.refs.Count];
if (ref1 == ref2)
{
continue;
}
Vector2d v1 = blobs.nodes[ref1];
Vector2d v2 = blobs.nodes[ref2];
LongLat longLat1 = new SphereVector(sector.ProjectToSphereCoordinates(v1)).ToLongLat();
LongLat longLat2 = new SphereVector(sector.ProjectToSphereCoordinates(v2)).ToLongLat();
// hmm, this logic will ignore edges that brush up exactly against the top or left of their sector (ex: nodes 6151473219, 6151473220 in way 146849673)
// I have to compensate for this elswhere
ISector sector1 = GetContainingSector(longLat1, 8);
ISector sector2 = GetContainingSector(longLat2, 8);
if (!sector1.Equals(sector2))
{
var e = new EdgeInfo()
{
wayID = way.id, node1 = ref1, node2 = ref2, longLat1 = longLat1, longLat2 = longLat2
};
if (!edgeInfo.Contains(e))
{
edgeInfo.Add(e);
}
List <int> wKeys = new List <int>();
List <int> wVals = new List <int>();
foreach (var pair in way.keyValues)
{
wKeys.Add(LoadIntoStringTable(pair.Key));
wVals.Add(LoadIntoStringTable(pair.Value));
}
var w = new WayInfo()
{
id = way.id, keys = wKeys, values = wVals, startNode = way.refs.First(), endNode = way.refs.Last(), relations = new List <long>()
};
if (!wayInfo.ContainsKey(w.id))
{
wayInfo[w.id] = w;
}
}
}
}
HashSet <long> extraWays = new HashSet <long>();
foreach (var relation in blobs.EnumerateRelations())
{
foreach (var way in relation.memids)
{
extraWays.Add(way);
if (wayInfo.ContainsKey(way) && !relationInfo.ContainsKey(relation.id))
{
List <int> rKeys = new List <int>();
List <int> rVals = new List <int>();
List <int> rRoles = new List <int>();
foreach (var pair in relation.keyValues)
{
rKeys.Add(LoadIntoStringTable(pair.Key));
rVals.Add(LoadIntoStringTable(pair.Value));
}
foreach (var role in relation.roleValues)
{
rRoles.Add(LoadIntoStringTable(role));
}
var r = new RelationInfo()
{
id = relation.id, keys = rKeys, values = rVals, roleValues = rRoles, memids = relation.memids, types = relation.types
};
relationInfo[r.id] = r;
}
}
}
foreach (var way in blobs.EnumerateWays(false))
{
if (!extraWays.Contains(way.id))
{
continue;
}
List <int> wKeys = new List <int>();
List <int> wVals = new List <int>();
foreach (var pair in way.keyValues)
{
wKeys.Add(LoadIntoStringTable(pair.Key));
wVals.Add(LoadIntoStringTable(pair.Value));
}
var w = new WayInfo()
{
id = way.id, keys = wKeys, values = wVals, startNode = way.refs.First(), endNode = way.refs.Last()
};
if (!wayInfo.ContainsKey(w.id))
{
wayInfo[w.id] = w;
}
}
}
private static IEnumerable<long> TempGetWays(string key, string value, BlobCollection blobs)
{
return blobs.EnumerateWays(false).Where(x => x.keyValues.ContainsKey(key) && x.keyValues[key] == value).Select(x => x.id);
}