public void ChangeBlock(Vector3 position, Block block)
{
int id = block == null ? 0 : block.Id;
//If we are breaking a block, trigger it's on break event
if(block == null)
{
Block previousBlock = GetBlockAt(position);
previousBlock.Destroyed(position);
}
//Set the block in the data source
Debug.Log("Placing: " + position.ToString());
dataSource.Set(position.x, position.y, position.z, new VoxelData() { Material = (byte) id });
//If the block isn't null, notify that it's been placed
if(block != null)
{
block.Placed(position);
}
//Notify the chunk that it's data source has changed and it should probably remesh
Chunk c = LoadedChunks.Values.SingleOrDefault(x => x.bounds.Contains(position));
if (c != null)
{
//rebuild neighor chunks if we are on the border
int xx = (int)position.x / 16;
int yy = (int)position.y / 16;
int zz = (int)position.z / 16;
IEnumerable<Chunk> neighbors = LoadedChunks.Values.Where(x =>
{
int cx = (int)x.bounds.min.x / 16;
int cy = (int)x.bounds.min.y / 16;
int cz = (int)x.bounds.min.z / 16;
return Vector3.Distance(new Vector3(xx, yy, zz), new Vector3(cx, cy, cz)) <= 1;
});
foreach(Chunk cnk in neighbors)
{
cnk.BuildChunk();
}
c.BuildChunk();
}
else
{
Debug.Log("Chunk Null!");
}
}
private void RegisterBlock(Block b, BlockDataAttribute attributes)
{
b.Id = BlockRegistrationId;
BlockRegistrationId++;
b.Data = attributes;
Texture2D[] loadedTextures = new Texture2D[6];
for(int i = 0; i < 6; i++)
{
Texture2D blockTexture = (Texture2D)Resources.Load(b.Data.TextureNames[i]);
if (blockTexture == null)
{
Debug.LogWarning("Block: " + b.Data.DisplayName + " references a texture that doesn't exist. Falling back");
blockTexture = (Texture2D)Resources.Load("notexture");
}
loadedTextures[i] = blockTexture;
}
string name = attributes.DisplayName;
if (RegisteredBlocks.ContainsKey(name))
{
throw new InvalidOperationException("Cannot have two blocks with the same name!");
}
RegisteredBlocks[name] = new RegisteredBlock()
{
Block = b,
};
}
public static void LoadBlockType(Block block)
{
BlockDataAttribute attrib = block.GetType().GetCustomAttributes(typeof(BlockDataAttribute), true).Cast<BlockDataAttribute>().FirstOrDefault();
if (attrib == null)
{
// Skip blocks with invalid attributes
Debug.LogError(block.GetType().Name + " must have a data attribute assigned to load properly.");
return;
}
try
{
Game.BlockRegistry.RegisterBlock(block, attrib);
}
catch (InvalidOperationException e)
{
Debug.LogError(block.GetType().Name + " already loaded, so skipping . . .");
return;
}
}
public void ChangeBlock(Vector3 position, Block block)
{
World parent = transform.parent.gameObject.GetComponent<World>();
parent.ChangeBlock(position, block);
}