public BuildingTile GetOrCreateBuildingTile(Vector3 coord)
{
var coords = CalcBuildingTile(coord).ToArray();
if (!coords.Any())
{
return(null);
}
var bounds = BoundsHelper.CalcBounds(coords);
var tile = _tiles.Search(bounds).FirstOrDefault();
if (tile != null)
{
return(tile);
}
var tileGo = Instantiate(buildingTilePrefab, transform);
tile = tileGo.GetComponent <BuildingTile>();
// TODO maybe pass ground data in
var mesher = tileGo.GetComponent <BuildingTileMesher>();
mesher.ground = ground;
tile.coords = coords;
tile.bounds = bounds;
_tiles.Add(bounds, tile);
return(tile);
}
private void Update()
{
if (!dirty)
{
return;
}
if (tile.coords == null || tile.coords.Length == 0)
{
return;
}
var meshBuilder = new CubeMeshBuilder();
var bounds = BoundsHelper.CalcBounds(tile.coords);
var size = bounds.size;
for (var i = 0; i < size.x; i++)
{
for (var j = 0; j < size.y; j++)
{
for (var k = 0; k < size.z; k++)
{
var c = bounds.position + new Vector3Int(i, j, k);
var isGround = ground.IsGround(c);
if (!isGround)
{
continue;
}
var dirs = new[]
{
Vector3Int.left,
Vector3Int.right,
new Vector3Int(0, 0, 1),
new Vector3Int(0, 0, -1),
Vector3Int.up
};
foreach (var dir in dirs)
{
var next = c + dir;
if (ground.IsGround(next))
{
continue;
}
var axis = dir.x != 0
? Axis.X
: dir.y != 0
? Axis.Y
: Axis.Z;
var front = axis == Axis.X ? dir.x > 0 : axis == Axis.Y ? dir.y > 0 : dir.z > 0;
meshBuilder.AddQuad(axis, front, c, 0);
}
}
}
}
var mesh = meshBuilder.Build();
meshFilter.mesh = mesh;
dirty = false;
}
