public List <Vec3i> RebuildNetwork(Vec3i pos_init, VoxelWire old_network)
{
if (!old_network.GotVoxelAtPos(pos_init))
{
return(new List <Vec3i>());
}
List <Vec3i> to_explore = new List <Vec3i>();
List <Vec3i> explored = new List <Vec3i>();
to_explore.Add(pos_init);
while (to_explore.Any())
{
Vec3i current_pos = to_explore.Last();
foreach (BlockFacing facing in BlockFacing.ALLFACES)
{
Vec3i offset_pos = current_pos.AddCopy(facing);
if (old_network.GotVoxelAtPos(offset_pos) && !explored.Contains(offset_pos))
{
to_explore.Add(offset_pos);
}
}
to_explore.Remove(current_pos);
explored.Add(current_pos);
}
//At the end, the explored list contains connected voxels
return(explored);
}
public bool OnAdd(Vec3i voxelPos)
{
//We first test if the voxel is already contained in a network
foreach (VoxelWire net in networks.Values)
{
if (net.GotVoxelAtPos(voxelPos))
{
return(false);
}
}
//We explore adjacent voxels, looking for a network
//if a network is found, we take the id. if another network is found with different id, we merge the networks.
VoxelWire current_net = null;
foreach (BlockFacing face in BlockFacing.ALLFACES)
{
Vec3i pos2 = voxelPos.AddCopy(face);
VoxelWire net = GetWireAtPos(pos2);
if (net != null)
{
if (current_net == null)
{
net.AddVoxel(voxelPos);
current_net = net;
}
else if (current_net != null && net.id != current_net.id)
{
current_net.MergeWith(net);
networks.Remove(net.id);
}
else if (net.id == current_net.id)
{
net.AddVoxel(voxelPos);
}
}
}
if (current_net == null)
{
//We create a new network
int new_id = getNewId();
VoxelWire network = new VoxelWire(new_id);
network.AddVoxel(voxelPos);
networks.Add(new_id, network);
}
hasChanged = true;
return(true);
}
private MeshData GetNetworkMesh(VoxelWire net, MeshData singleVoxelMesh)
{
MeshData voxelMeshOffset = singleVoxelMesh.Clone();
networkStates[net.id] = net.state;
MeshData mesh = new MeshData(24, 36, false);
byte[] color = getColor(net.id).Append(new byte[] { 255 });
foreach (Vec3i vec in net.getVoxelPos())
{
float px = vec.X / 16f;
float py = vec.Y / 16f;
float pz = vec.Z / 16f;
for (int i = 0; i < singleVoxelMesh.xyz.Length; i += 3)
{
voxelMeshOffset.xyz[i] = px + singleVoxelMesh.xyz[i];
voxelMeshOffset.xyz[i + 1] = py + singleVoxelMesh.xyz[i + 1];
voxelMeshOffset.xyz[i + 2] = pz + singleVoxelMesh.xyz[i + 2];
//voxelMeshOffset.Rgba[i / 3 * 4] = color[0];
//voxelMeshOffset.Rgba[i / 3 * 4 + 1] = color[1];
//voxelMeshOffset.Rgba[i / 3 * 4 + 2] = color[2];
//voxelMeshOffset.Rgba[i / 3 * 4 + 3] = color[3];
}
float offsetX = ((((vec.X + 4 * vec.Y) % 16f / 16f)) * 32f) / capi.BlockTextureAtlas.Size.Width;
float offsetY = (pz * 32f) / capi.BlockTextureAtlas.Size.Height;
for (int i = 0; i < singleVoxelMesh.Uv.Length; i += 2)
{
voxelMeshOffset.Uv[i] = singleVoxelMesh.Uv[i] + offsetX;
voxelMeshOffset.Uv[i + 1] = singleVoxelMesh.Uv[i + 1] + offsetY;
}
mesh.AddMeshData(voxelMeshOffset);
}
return(mesh);
}
public void MergeWith(VoxelWire net)
{
voxelpositions.AddRange(net.voxelpositions);
}