private bool SetBlockFace(Tile3D.Block block, Vector3 normal, Tile3D.Face brush)
{
Undo.RecordObject(target, "SetBlockFaces");
for (int i = 0; i < Tile3D.Faces.Length; i++)
{
if (Vector3.Dot(normal, Tile3D.Faces[i]) > 0.8f)
{
if (!brush.Hidden)
{
if (brush != block.Faces[i])
{
block.Faces[i] = brush;
return(true);
}
}
else if (!block.Faces[i].Hidden)
{
block.Faces[i].Hidden = true;
return(true);
}
}
}
return(false);
}
private bool FillBlockFace(Tile3D.Block block, Tile3D.Face face)
{
Vector3Int perp1, perp2;
GetPerpendiculars(hover.Face, out perp1, out perp2);
var active = new List <Tile3D.Block>();
var filled = new HashSet <Tile3D.Block>();
var directions = new Vector3Int[4] {
perp1, perp1 * -1, perp2, perp2 * -1
};
var outwards = hover.Face.Int();
var changed = false;
filled.Add(block);
active.Add(block);
SetBlockFace(block, hover.Face, brush);
while (active.Count > 0)
{
var from = active[0];
active.RemoveAt(0);
for (int i = 0; i < 4; i++)
{
var next = tiler.At(from.Tile + directions[i]);
if (next != null && !filled.Contains(next) &&
tiler.At(from.Tile + directions[i] + outwards) == null &&
GetBlockFace(next, hover.Face).Tile == face.Tile)
{
filled.Add(next);
active.Add(next);
if (SetBlockFace(next, hover.Face, brush))
{
changed = true;
}
}
}
}
return(changed);
}
