public float GetHeight(WorldLocation location, TileManager tiles, SceneryDrawer scenery)
{
location.Normalize();
// First, ensure we have the tile in question cached.
var tile = Tiles.FirstOrDefault(t => t.TileX == location.TileX && t.TileZ == location.TileZ);
if (tile == null)
{
Tiles.Add(tile = new Tile(location.TileX, location.TileZ, Divisions));
}
// Remove excess entries.
if (Tiles.Count > TileCount)
{
Tiles.RemoveAt(0);
}
// Now calculate division to query.
var x = (int)((location.Location.X + 1024) / BlockSize);
var z = (int)((location.Location.Z + 1024) / BlockSize);
// If we don't have it cached, load it.
if (tile.Height[x, z] == float.MinValue)
{
var position = new WorldLocation(location.TileX, location.TileZ, (x + 0.5f) * BlockSize - 1024, 0, (z + 0.5f) * BlockSize - 1024);
tile.Height[x, z] = Math.Max(tiles.GetElevation(position), scenery.GetBoundingBoxTop(position, BlockSize));
tile.Used++;
}
return(tile.Height[x, z]);
}
float Elevation(int x, int z)
{
return(TileManager.GetElevation(Tile, PatchX * 16 + x, PatchZ * 16 + z));
}