/*
* public int GetMetadata(BlockPos pos)
* {
* Chunk chunk = GetChunk(ChunkPos.FromWorldSpace(pos));
* if (chunk == null || !chunk.HasData)
* return -1;
*
* return chunk.GetMetadata(ChunkPos.ToChunkLocal(pos));
* }*/
/*
* public void SetMetadata(BlockPos pos, int meta)
* {
* Chunk chunk = GetChunk(ChunkPos.FromWorldSpace(pos));
* if (chunk == null || !chunk.HasData)
* return;
*
* chunk.SetMetadata(ChunkPos.ToChunkLocal(pos), meta);
* }*/
public int GetHeightAtPos(float x, float z)
{
BlockPos pos = new BlockPos(x, 0, z);
Chunk chunk = GetChunk(pos.ChunkPos());
if (chunk == null || !chunk.HasData)
{
return(0);
}
return(chunk.GetHeightAtPos(MathUtil.ToLocal(pos.X, Chunk.ChunkSize), MathUtil.ToLocal(pos.Z, Chunk.ChunkSize)));
}
public static Chunk loadChunk(BlockPos pos)
{
var chunkPos = pos.ChunkPos();
var regionPos = new BlockPos(chunkPos.x / (4 * 16), 0, chunkPos.z / (4 * 16));
var fileName = $"r.{regionPos.x}.{regionPos.z}.region";
var bf = new BinaryFormatter();
try
{
locker.AcquireReaderLock(1000);
if (!Directory.Exists(dir) || !File.Exists($"{dir}/{fileName}"))
{
return(null);
}
//read, if exists
using (var fs = File.Open($"{dir}/{fileName}", FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
fs.SetLength(_regionInfoSize);
var regionInfo = (RegionInfo)bf.Deserialize(fs);
var chunkFilePos = regionInfo.getChunkPos(chunkPos);
fs.Position = chunkFilePos;
fs.SetLength(_chunkSize);
var cc = (ChunkCache)bf.Deserialize(fs);
return(Chunk.CreateFromCache(cc));
}
}
catch
{
return(null);
}
finally
{
locker.ReleaseLock();
}
}
public override void RemoveTileEntity(BlockPos pos)
{
GetChunk(pos.ChunkPos())?.RemoveTileEntity(ChunkPos.ToChunkLocal(pos));
}
//TODO move this to some chunk generator
public short[,,] GenerateChunk(ChunkPos chunkPos, bool updateContainingEntities)
{
Chunk chunk = null;
lock (Chunks)
{
chunk = PutChunk(chunkPos, null);
}
if (chunk == null)
{
return(null);
}
var air = BlockRegistry.GetBlock <BlockAir>().GetState();
var leavesGreen = BlockRegistry.GetBlock <BlockLeaves>().GetState();
var leavesYellow = BlockRegistry.GetBlock <BlockLeaves>().GetState(1);
var leavesOrange = BlockRegistry.GetBlock <BlockLeaves>().GetState(2);
var leavesRed = BlockRegistry.GetBlock <BlockLeaves>().GetState(3);
var log = BlockRegistry.GetBlock <BlockLog>().GetState();
var grass = BlockRegistry.GetBlock <BlockGrass>().GetState();
var dirt = BlockRegistry.GetBlock <BlockDirt>().GetState();
var stone = BlockRegistry.GetBlock <BlockStone>().GetState();
var rare = BlockRegistry.GetBlock <BlockRare>().GetState();
var bedrock = BlockRegistry.GetBlock <BlockBedrock>().GetState();
var tallgrass = BlockRegistry.GetBlock <BlockTallGrass>().GetState();
var tulipRed = BlockRegistry.GetBlock <BlockTulipRed>().GetState();
var tulipOrange = BlockRegistry.GetBlock <BlockTulipOrange>().GetState();
short airId = GetLocalBlockId(air.Block.UnlocalizedName);
short[,,] chunkData = new short[Chunk.ChunkSize, Chunk.ChunkHeight, Chunk.ChunkSize];
void SetBlock(int x, int y, int z, BlockState s)
{
short id = GetLocalBlockId(s.Block.UnlocalizedName);
short meta = s.Block.GetMetaFromState(s);
#pragma warning disable CS0675 // Bitwise-or operator used on a sign-extended operand
short value = (short)(id << 4 | meta);
#pragma warning restore CS0675 // Bitwise-or operator used on a sign-extended operand
chunkData[x, y, z] = value;
}
bool IsAir(int x, int y, int z)
{
return(chunkData[x, y, z] >> 4 == airId);
}
for (int z = 0; z < Chunk.ChunkSize; z++)
{
for (int x = 0; x < Chunk.ChunkSize; x++)
{
float wsX = chunk.Pos.WorldSpaceX();
float wsZ = chunk.Pos.WorldSpaceZ();
float xCh = x + wsX;
float zCh = z + wsZ;
int peakY = 32 + (int)Math.Abs(
MathHelper.Clamp(0.35f + _noiseUtil.GetPerlinFractal(xCh, zCh), 0, 1) * 32);
float grassSeed = _noiseUtil.GetPerlinFractal(-xCh * 32 + 8, -zCh * 32 + x * 8);
for (int y = peakY; y >= 0; y--)
{
if (y == peakY)
{
SetBlock(x, y, z, grass);
//set tallgrass above
if (IsAir(x, y + 1, z) && grassSeed >= 0.3f)
{
var random = MathUtil.NextFloat();
if (random >= 0 && random <= 0.6666)
{
SetBlock(x, y + 1, z, tallgrass);
}
else
{
SetBlock(x, y + 1, z, random <= 0.83325D ? tulipRed : tulipOrange);
}
}
}
else if (y > 0 && peakY - y > 0 && peakY - y < 3)
{
SetBlock(x, y, z, dirt);
}
else if (y == 0)
{
SetBlock(x, y, z, bedrock);
}
else
{
float f = _noiseUtil.GetNoise(xCh * 32 - y * 16, zCh * 32 + x * 16);
SetBlock(x, y, z, f >= 0.75f ? rare : stone);
}
}
//trees
float treeSeed = Math.Abs(MathHelper.Clamp(_noiseUtil.GetWhiteNoise(xCh, zCh), 0, 1));
//var treeSeed2 = Math.Abs(MathHelper.Clamp(0.35f + _noiseUtil.GetPerlinFractal(zCh, xCh), 0, 1));
if (treeSeed >= 0.85f && x >= 3 && z >= 3 && x <= 13 && z <= 13 && x % 4 == 0 && z % 4 == 0)
{
int treeTop = 0;
int height = (int)MathHelper.Clamp(peakY * treeSeed / 64f * 7.5f, 3, 4);
for (int treeY = 0; treeY < height; treeY++)
{
treeTop = peakY + 1 + treeY;
SetBlock(x, treeTop, z, log);
}
//leaves
for (int i = -3; i <= 3; i++)
{
for (int j = 0; j <= 3; j++)
{
for (int k = -3; k <= 3; k++)
{
if (i == 0 && k == 0 && j <= 0)
{
continue;
}
int pX = x + i;
int pY = treeTop + j - 1;
int pZ = z + k;
if (!IsAir(pX, pY, pZ))
{
continue;
}
Vector3 vec = new Vector3(i, j, k);
float leavesSeed = (peakY - 32) / 32f;
BlockState leaves = leavesGreen;
if (leavesSeed > 0.2f && leavesSeed <= 0.4f)
{
leaves = leavesYellow;
}
else if (leavesSeed > 0.4f && leavesSeed <= 0.55f)
{
leaves = leavesOrange;
}
else if (leavesSeed > 0.65f)
{
leaves = leavesRed;
}
if (Vector3.Distance(vec, Vector3.Zero) <= 2.5f)
{
SetBlock(pX, pY, pZ, leaves);
}
}
}
}
}
}
}
return(chunkData);
chunk.GeneratedData(chunkData);
if (updateContainingEntities)
{
foreach (Entity entity in Entities)
{
BlockPos pos = new BlockPos(entity.Pos);
if (chunk.Pos == pos.ChunkPos())
{
int height = chunk.GetHeightAtPos(MathUtil.ToLocal(pos.X, Chunk.ChunkSize),
MathUtil.ToLocal(pos.Z, Chunk.ChunkSize));
if (entity.Pos.Y < height)
{
entity.TeleportTo(new Vector3(entity.Pos.X, entity.LastPos.Y = height, entity.Pos.Z));
}
}
}
}
}
public void SaveTileEntity(BlockPos pos)
{
GetChunk(pos.ChunkPos())?.SaveTileEntity(ChunkPos.ToChunkLocal(pos));
}
public TileEntity GetTileEntity(BlockPos pos)
{
return(GetChunk(pos.ChunkPos())?.GetTileEntity(ChunkPos.ToChunkLocal(pos)));
}
public void GenerateChunk(ChunkPos chunkPos, bool updateContainingEntities) //TODO - something is causing this to be extremely slow and ran many times simultaneously for one chunk
{
Chunk chunk = CreateChunk(chunkPos, null);
if (chunk == null)
{
return;
}
var air = BlockRegistry.GetBlock <BlockAir>().GetState();
var leaves = BlockRegistry.GetBlock <BlockLeaves>().GetState();
var log = BlockRegistry.GetBlock <BlockLog>().GetState();
var grass = BlockRegistry.GetBlock <BlockGrass>().GetState();
var dirt = BlockRegistry.GetBlock <BlockDirt>().GetState();
var stone = BlockRegistry.GetBlock <BlockStone>().GetState();
var rare = BlockRegistry.GetBlock <BlockRare>().GetState();
var bedrock = BlockRegistry.GetBlock <BlockBedrock>().GetState();
var tallgrass = BlockRegistry.GetBlock <BlockTallGrass>().GetState();
short airId = GetLocalBlockId(air.Block.UnlocalizedName);
short[,,] chunkData = new short[Chunk.ChunkSize, Chunk.ChunkHeight, Chunk.ChunkSize];
void SetBlock(int x, int y, int z, BlockState s)
{
short id = GetLocalBlockId(s.Block.UnlocalizedName);
short meta = s.Block.GetMetaFromState(s);
short value = (short)(id << 4 | meta);
chunkData[x, y, z] = value;
}
bool IsAir(int x, int y, int z)
{
return(chunkData[x, y, z] >> 4 == airId);
}
for (int z = 0; z < Chunk.ChunkSize; z++)
{
for (int x = 0; x < Chunk.ChunkSize; x++)
{
float wsX = chunk.Pos.WorldSpaceX();
float wsZ = chunk.Pos.WorldSpaceZ();
float xCh = x + wsX;
float zCh = z + wsZ;
int peakY = 32 + (int)Math.Abs(
MathHelper.Clamp(0.35f + _noiseUtil.GetPerlinFractal(xCh, zCh), 0, 1) * 32);
float grassSeed = _noiseUtil.GetPerlinFractal(-xCh * 32 + 8, -zCh * 32 + x * 8);
for (int y = peakY; y >= 0; y--)
{
if (y == peakY)
{
SetBlock(x, y, z, grass);
//set tallgrass above
if (IsAir(x, y + 1, z) && grassSeed >= 0.3f)
{
SetBlock(x, y + 1, z, tallgrass);
}
}
else if (y > 0 && peakY - y > 0 && peakY - y < 3)
{
SetBlock(x, y, z, dirt);
}
else if (y == 0)
{
SetBlock(x, y, z, bedrock);
}
else
{
float f = _noiseUtil.GetNoise(xCh * 32 - y * 16, zCh * 32 + x * 16);
SetBlock(x, y, z, f >= 0.75f ? rare : stone);
}
}
//trees
float treeSeed = Math.Abs(MathHelper.Clamp(_noiseUtil.GetWhiteNoise(xCh, zCh), 0, 1));
//var treeSeed2 = Math.Abs(MathHelper.Clamp(0.35f + _noiseUtil.GetPerlinFractal(zCh, xCh), 0, 1));
if (treeSeed >= 0.85f && x >= 3 && z >= 3 && x <= 13 && z <= 13 && x % 4 == 0 && z % 4 == 0)
{
int treeTop = 0;
int height = (int)Math.Clamp(peakY * treeSeed / 64f * 7.5f, 3, 4);
for (int treeY = 0; treeY < height; treeY++)
{
treeTop = peakY + 1 + treeY;
SetBlock(x, treeTop, z, log);
}
//leaves
for (int i = -3; i <= 3; i++)
{
for (int j = 0; j <= 3; j++)
{
for (int k = -3; k <= 3; k++)
{
if (i == 0 && k == 0 && j <= 0)
{
continue;
}
int pX = x + i;
int pY = treeTop + j - 1;
int pZ = z + k;
if (!IsAir(pX, pY, pZ))
{
continue;
}
Vector3 vec = new Vector3(i, j, k);
if (MathUtil.Distance(vec, Vector3.Zero) <= 2.5f)
{
SetBlock(pX, pY, pZ, leaves);
}
}
}
}
}
}
}
chunk.GeneratedData(chunkData);
if (updateContainingEntities)
{
foreach (Entity entity in Entities)
{
BlockPos pos = new BlockPos(entity.Pos);
if (chunk.Pos == pos.ChunkPos())
{
int height = chunk.GetHeightAtPos(MathUtil.ToLocal(pos.X, Chunk.ChunkSize), MathUtil.ToLocal(pos.Z, Chunk.ChunkSize));
if (entity.Pos.Y < height)
{
entity.TeleportTo(new Vector3(entity.Pos.X, entity.LastPos.Y = height, entity.Pos.Z));
}
}
}
}
}
