public void ChunkGetSectionTest()
{
var chunk = new Chunk(_regionMock.Object, 0, 0, _serviceProvider);
IChunkSection section = chunk.GetSection(0);
Assert.NotNull(section);
Assert.IsType <ChunkSection>(section);
Assert.Equal(0, section.Index);
}
public IChunkSection GetSection(int sectionIndex)
{
IChunkSection section = _chunkSections.ElementAtOrDefault(sectionIndex);
if (section is null)
{
throw new InvalidOperationException($"Failed to get section with index '{sectionIndex}'.");
}
return(section);
}
public void Serialize(IMinecraftPacket packet, bool fullChunk = false)
{
packet.WriteInt32(X);
packet.WriteInt32(Z);
packet.WriteBoolean(fullChunk);
int mask = 0;
// if full chunk
using var chunkStream = new MinecraftPacket();
for (int i = 0; i < Sections.Count(); i++)
{
IChunkSection section = Sections.ElementAt(i);
if (fullChunk || section.IsDirty)
{
mask |= 1 << i;
section.Serialize(chunkStream);
}
}
packet.WriteVarInt32(mask);
// Heightmap serialization
var heightmapCompound = new NbtCompound("")
{
new NbtLongArray("MOTION_BLOCKING", Heightmap.ToArray()),
new NbtLongArray("WORLD_SURFACE", WorldSurfaceHeightmap.ToArray())
};
var nbtFile = new NbtFile(heightmapCompound);
packet.WriteBytes(nbtFile.GetBuffer());
// Biomes
if (fullChunk)
{
packet.WriteVarInt32(1024);
for (int i = 0; i < 1024; i++)
{
packet.WriteVarInt32(0);
}
}
chunkStream.Position = 0;
packet.WriteVarInt32((int)chunkStream.Length);
packet.WriteBytes(chunkStream.BaseBuffer);
packet.WriteVarInt32(0); // block count
// TODO: foreach block in blocks in chunk as NBT
}
public IBlock GetBlock(int x, int y, int z)
{
if (y < 0)
{
throw new InvalidOperationException($"Cannot get a block with a negative Y value.");
}
if (y > Height)
{
throw new InvalidOperationException($"Cannot get a block with a Y value higher than {Height}.");
}
int sectionIndex = GetSectionIndex(y);
IChunkSection section = GetSection(sectionIndex);
return(section.GetBlock(x, y % Size, z));
}
public IBlock SetBlock(BlockType blockType, int x, int y, int z)
{
if (x < 0 || x >= Size)
{
throw new InvalidOperationException("X position is out of chunk bounds.");
}
if (z < 0 || z >= Size)
{
throw new InvalidOperationException("Z position is out of chunk bounds.");
}
IChunkSection section = GetChunkSection(y);
IBlock block = section.SetBlock(blockType, x, y % Size, z);
// TODO: improve heightmap generation when placing a block.
GenerateHeightMap();
return(block);
}
