public int[] GetTextureIds()
{
if (this.type == TerrianBlockType.Soil)
{
var list = new List <int> ();
for (var i = 0; i < 6; i++)
{
Dir gravity = DirUtils.GetDir(i);
Dir opposite = DirUtils.GetOpposite(gravity);
if (!belowWater && HasGravity(gravity))
{
list.Add(textureIds [TerrianBlockType.Grass]);
}
else if (!belowWater && !HasGravity(opposite) && !hasTop)
{
list.Add(textureIds [TerrianBlockType.GrassWithSoil]);
}
else
{
list.Add(textureIds [TerrianBlockType.Soil]);
}
}
return(list.ToArray());
}
var textureId = textureIds [type];
return(new [] { textureId, textureId, textureId, textureId, textureId, textureId });
}
public Voxel ToVoxel()
{
var voxel = new Voxel();
voxel.coord = coord;
voxel.textureIds = GetTextureIds();
voxel.transparent = transparent;
voxel.isWater = type == TerrianBlockType.Water;
if (mainGravity.HasValue)
{
voxel.up = DirUtils.GetIdentifier(mainGravity.Value);
}
return(voxel);
}
public Voxel ToVoxel()
{
var voxel = new Voxel();
voxel.coord = coord;
voxel.textureIds = GetTextureIds();
voxel.transparent = transparent;
if (mainGravity.HasValue)
{
voxel.up = DirUtils.GetIdentifier(mainGravity.Value);
}
return(voxel);
}
public Surface(Vector3i coord, Dir dir)
{
this.coord = coord;
this.dir = dir;
var vector = DirUtils.GetUnitVector(dir);
normal = vector.to_f();
coordAbove = coord + vector;
identifier = coord.x + "," + coord.y + "," + coord.z + "," + dir;
point = new Vector3(coord.x, coord.y, coord.z) + normal * 0.5f;
pointAbove = new Vector3(coordAbove.x, coordAbove.y, coordAbove.z);
rotation = DirUtils.GetRotation(dir);
uvVectors = DirUtils.GetUV(dir);
}
public Vector3 GetGravityVector(Vector3 position, float tolerance)
{
var dirs = GetGravities(position, tolerance);
if (dirs.Count == 0)
{
return(new Vector3());
}
var v = new Vector3();
foreach (var dir in dirs)
{
v += DirUtils.GetUnitVector(dir).to_f();
}
return(v);
}
public Surface GetSurface(Vector3i coordBelow, Vector3i coordAbove)
{
if (!map.ContainsKey(coordBelow))
{
return(null);
}
var block = map [coordBelow];
var dir = DirUtils.GetDir(coordAbove - coordBelow);
if (dir == Dir.None)
{
return(null);
}
if (!block.surfaceMap.ContainsKey(dir))
{
return(null);
}
return(block.surfaceMap [dir]);
}
private void initSurfaces(Vector3i coord)
{
var block = map[coord];
foreach (var dir in DirUtils.Dirs)
{
var hasGravity = block.HasGravity(dir);
// Has gravity
if (!hasGravity)
{
continue;
}
// Not blocked
var nextCoord = coord + DirUtils.GetUnitVector(dir);
if (HasVoxel(nextCoord))
{
continue;
}
var surface = block.AddSurface(dir);
surface.isWater = block.type == TerrianBlockType.Water;
surfaceLookUp [surface.identifier] = surface;
}
}
public static Vector3i NextCoord(this Vector3i coord, Dir dir)
{
return(coord + DirUtils.GetUnitVector(dir));
}