public void RemoveVoxel(VoxelPos pos, string texture)
{
var offsets = new Vector3[] { Vector3.Forward, Vector3.Back, Vector3.Left, Vector3.Right, Vector3.Up, Vector3.Down }.ToList();
var voxel = GetVoxel(pos, false);
for (int i = 0; i < 6; i++)
{
var neighborPos = pos.Translate(offsets[i]);
var neighbor = GetVoxel(neighborPos, true);
switch (i)
{
// Front Neighbor
case 0:
if (!voxel.HasFront())
{
neighbor.backTexture = texture;
}
break;
// Back Neighbord
case 1:
if (!voxel.HasBack())
{
neighbor.frontTexture = texture;
}
break;
// Left Neighbor
case 2:
if (!voxel.HasLeft())
{
neighbor.rightTexture = texture;
}
break;
// Right Neighbor
case 3:
if (!voxel.HasRight())
{
neighbor.leftTexture = texture;
}
break;
// Up Neighbor
case 4:
if (!voxel.HasTop())
{
neighbor.bottomTexture = texture;
}
break;
// Down Neighbor
case 5:
if (!voxel.HasBottom())
{
neighbor.topTexture = texture;
}
break;
}
}
Voxels.Remove(pos);
updateMesh = true;
}
private void Extrude(bool intrude)
{
if (selection.Is3D())
{
GD.Print("3D Selections are not implemented!");
return;
}
var(start, end, normal) = selection.GetSelectionTuple();
if (normal == Vector3.Zero)
{
return;
}
// TODO: Stuff needs to be cached here for performance and memory.
foreach (int x in Range(start.x, end.x))
{
foreach (int y in Range(start.y, end.y))
{
foreach (int z in Range(start.z, end.z))
{
VoxelPos pos = new VoxelPos(x, y, z);
Voxel voxel = level.GetVoxel(pos, false);
string texture = "";
if (voxel.IsEmpty())
{
continue;
}
if (normal == Vector3.Up)
{
texture = voxel.topTexture;
}
else if (normal == Vector3.Down)
{
texture = voxel.bottomTexture;
}
else if (normal == Vector3.Left)
{
texture = voxel.leftTexture;
}
else if (normal == Vector3.Right)
{
texture = voxel.rightTexture;
}
else if (normal == Vector3.Forward)
{
texture = voxel.frontTexture;
}
else if (normal == Vector3.Back)
{
texture = voxel.backTexture;
}
if (texture == "")
{
texture = "white";
}
if (intrude)
{
level.RemoveVoxel(pos, texture);
}
else
{
pos = pos.Translate(normal);
level.SetVoxel(pos, new Voxel(texture));
}
}
}
}
if (intrude)
{
selection.Translate(-normal);
}
else
{
selection.Translate(normal);
}
UpdateSelectionHighlight();
}
public void Translate(Vector3 normal)
{
start = start.Translate(normal);
end = end.Translate(normal);
}