public bool IsBlockEmpty(Index3D blockLocalIndex)
{
return(GetBlock(blockLocalIndex).IsEmpty());
}
public void SetBlockType(Index3D blockLocalIndex, TerrainBlock.Type newBlockType)
{
var newBlock = new TerrainBlock(newBlockType, blockLocalIndex, ToGlobalIndex(blockLocalIndex), config.BlockSize);
blocks[blockLocalIndex.X, blockLocalIndex.Y, blockLocalIndex.Z] = newBlock;
}
public TerrainBlock GetBlock(Index3D blockLocalIndex)
{
return(blocks[blockLocalIndex.X, blockLocalIndex.Y, blockLocalIndex.Z]);
}
public void SetBlock(Index3D blockLocalIndex, TerrainBlock block)
{
blocks[blockLocalIndex.X, blockLocalIndex.Y, blockLocalIndex.Z] = block;
}
public bool IsInThisChunk(Index3D blockLocalIndex)
{
return(blockLocalIndex.X >= MinBlockIndex.X && blockLocalIndex.X <= MaxBlockIndex.X &&
blockLocalIndex.Y >= MinBlockIndex.Y && blockLocalIndex.Y <= MaxBlockIndex.Y &&
blockLocalIndex.Z >= MinBlockIndex.Z && blockLocalIndex.Z <= MaxBlockIndex.Z);
}
public TerrainChunk GetChunk(Index3D chunkIndex)
{
return(currentChunks.TryGetValue(chunkIndex, out TerrainChunk chunk) ? chunk : null);
}
/// <summary>
/// This is highly dependent on TerrainChunk internal details. (See "GetDirectionsToLook" method.)
/// A TerrainChunk stores some blocks of adjacent chunks in order to simplify mesh generation.
/// Therefore, when we change a block type, we have to update the block type in adjacent chunks as well.
/// This method gathers the adjacent chunks that need to be updated.
/// </summary>
private IEnumerable <TerrainChunk> GetAdjacentChunksThatShareBlock(TerrainChunk chunk, Index3D blockLocalIndex)
{
foreach (var d in GetDirectionsToLook(chunk, blockLocalIndex))
{
yield return(chunkGenerator.GetOrGenerateEmpty(chunk.Index.Step(d), chunksParent));
}
}
