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]);
}
/// <summary>
/// Calculate back the World location corresponding to given area coordinate
/// </summary>
/// <param name="areaX">X-coordinate on the area (in pixels)</param>
/// <param name="areaY">Y-coordinate on the area (in pixels)</param>
/// <returns>Corresponding world location</returns>
private WorldLocation GetWorldLocation(int areaX, int areaY)
{
double x = (OffsetX + (areaX) / Scale);
double z = (OffsetZ + (AreaH - areaY) / Scale);
WorldLocation location = new WorldLocation(0, 0, (float)x, 0, (float)z);
location.Normalize();
return(location);
}
/// <summary>
/// Calculate back the World location corresponding to given area coordinate
/// </summary>
/// <param name="areaX">X-coordinate on the area (in pixels)</param>
/// <param name="areaY">Y-coordinate on the area (in pixels)</param>
/// <returns>Corresponding world location</returns>
private WorldLocation GetWorldLocation(int areaX, int areaY)
{
double x = (OffsetX + (areaX) / Scale);
double z = (OffsetZ + (AreaH - areaY) / Scale);
//WorldLocation location = new WorldLocation(0, 0, cornerIndexX, 0, cornerIndexZ);
//we now do pre-normalization. This normalization is more efficient than Coordinates.normalization
int tileX = (int)x / 2048;
x -= (tileX * 2048);
int tileZ = (int)z / 2048;
z -= tileZ * 2048;
WorldLocation location = new WorldLocation(tileX, tileZ, (float)x, 0, (float)z);
location.Normalize();
return(location);
}
/// <summary>
/// Do the dragging itself, meaning moving the label to a different position and show that
/// </summary>
internal void OnLeftMouseMoved()
{
if (!dragging)
{
return;
}
//We have three locations. Where the original/reference label. Where the dragging starts, and where the mouse now is
//The new location is then 'original' + 'current' - 'start'.
draggingStartLocation.NormalizeTo(drawArea.MouseLocation.TileX, drawArea.MouseLocation.TileZ);
WorldLocation shiftedLocation = new WorldLocation(
draggingLabelToReplace.WorldLocation.TileX + drawArea.MouseLocation.TileX - draggingStartLocation.TileX,
draggingLabelToReplace.WorldLocation.TileZ + drawArea.MouseLocation.TileZ - draggingStartLocation.TileZ,
draggingLabelToReplace.WorldLocation.Location.X + drawArea.MouseLocation.Location.X - draggingStartLocation.Location.X,
0,
draggingLabelToReplace.WorldLocation.Location.Z + drawArea.MouseLocation.Location.Z - draggingStartLocation.Location.Z
);
shiftedLocation.Normalize();
draggingLabel = new StorableLabel(shiftedLocation, draggingLabelToReplace.LabelText);
}