public ChunkLightUpdate(Chunk chunk, int x, int y, int z)
{
_X = x;
_Y = y;
_Z = z;
_Chunk = chunk;
}
public ChunkLightUpdate(Chunk chunk)
{
_X = -1;
_Y = -1;
_Z = -1;
_Chunk = chunk;
}
public Chunk ProvideChunk(int x, int z, WorldManager world)
{
Chunk chunk = new Chunk(world, UniversalCoords.FromChunk(x, z));
InitGen();
byte[] data = new byte[32768];
#if PROFILE
Stopwatch watch = new Stopwatch();
watch.Start();
#endif
GenerateTerrain(chunk, data, x, z);
GenerateFlora(chunk, data, x, z);
chunk.SetAllBlocks(data);
chunk.RecalculateHeight();
chunk.LightToRecalculate = true;
#if PROFILE
watch.Stop();
_World.Logger.Log(Logger.LogLevel.Info, "Chunk {0} {1}, {2}", false, x, z, watch.ElapsedMilliseconds);
#endif
_World.AddChunk(chunk);
chunk.MarkToSave();
return chunk;
}
internal void SendChunk(Chunk chunk)
{
MapChunkPacket packet = new MapChunkPacket
{
Chunk = chunk
};
PacketHandler.SendPacket(packet);
}
public static MapChunkData GetMapChunkData(Chunk chunk, bool firstInit)
{
MapChunkData chunkData = new MapChunkData();
ushort mask = 1;
Queue<Section> sectionsToBeSent = new Queue<Section>();
for (int i = 0; i < 16; ++i)
{
Section currentSection = chunk.Sections[i];
if (currentSection != null && (firstInit || (chunk.SectionsToBeUpdated & 1) << i != 0))
{
sectionsToBeSent.Enqueue(currentSection);
}
}
int dataDim = sectionsToBeSent.Count * (Section.BYTESIZE + Section.SIZE);
if (firstInit)
dataDim += 256;
chunkData.Data = new byte[dataDim];
int halfSize = sectionsToBeSent.Count * Section.HALFSIZE;
int offsetData = sectionsToBeSent.Count * Section.SIZE;
int offsetLight = offsetData + halfSize;
int offsetSkyLight = offsetLight + halfSize;
int sectionIndex = 0;
while(sectionsToBeSent.Count > 0)
{
Section section = sectionsToBeSent.Dequeue();
Buffer.BlockCopy(section.Types, 0, chunkData.Data, sectionIndex * Section.SIZE, Section.SIZE);
Buffer.BlockCopy(section.Data.Data, 0, chunkData.Data, offsetData + (sectionIndex * Section.HALFSIZE),
Section.HALFSIZE);
Buffer.BlockCopy(chunk.Light.Data, section.SectionId * Section.HALFSIZE, chunkData.Data, offsetLight + (sectionIndex * Section.HALFSIZE),
Section.HALFSIZE);
Buffer.BlockCopy(chunk.SkyLight.Data, section.SectionId * Section.HALFSIZE, chunkData.Data, offsetSkyLight + (sectionIndex * Section.HALFSIZE),
Section.HALFSIZE);
chunkData.PrimaryBitMask |= mask << section.SectionId;
++sectionIndex;
// TODO: we leave add array and biome array to 0 (ocean), we need to change the chunk generator accordingly
}
return chunkData;
}
public static void LoadContainersFromDisk(Chunk chunk)
{
string containerPath = Path.Combine(chunk.World.Folder, ChraftConfig.ContainersFolder, "x" + chunk.Coords.ChunkX + "z" + chunk.Coords.ChunkZ);
if (!Directory.Exists(containerPath))
return;
string[] files = Directory.GetFiles(containerPath);
PersistentContainer container;
UniversalCoords containerCoords;
BlockData.Blocks containerType;
string id;
int x, y, z, startPos, endPos;
string coordStr;
foreach (var file in files)
{
coordStr = file.Substring(file.LastIndexOf(Path.DirectorySeparatorChar) + 1);
startPos = coordStr.IndexOf("x") + 1;
endPos = coordStr.IndexOf("y");
if (!Int32.TryParse(coordStr.Substring(startPos, endPos - startPos), out x))
continue;
startPos = endPos + 1;
endPos = coordStr.IndexOf("z");
if (!Int32.TryParse(coordStr.Substring(startPos, endPos - startPos), out y))
continue;
startPos = endPos + 1;
endPos = coordStr.IndexOf(".");
if (!Int32.TryParse(coordStr.Substring(startPos, endPos - startPos), out z))
continue;
containerCoords = UniversalCoords.FromWorld(x, y, z);
containerType = chunk.GetType(containerCoords);
switch (containerType)
{
case BlockData.Blocks.Dispenser:
container = new DispenserContainer();
container.Initialize(chunk.World, containerCoords);
break;
case BlockData.Blocks.Furnace:
case BlockData.Blocks.Burning_Furnace:
container = new FurnaceContainer();
container.Initialize(chunk.World, containerCoords);
(container as FurnaceContainer).StartBurning();
break;
default:
continue;
}
chunk.Containers.TryAdd(containerCoords.BlockPackedCoords, container);
}
}
public override void Read(PacketReader stream)
{
int posX = stream.ReadInt();
short posY = stream.ReadShort();
int posZ = stream.ReadInt();
byte sizeX = (byte)(stream.ReadByte() + 1);
byte sizeY = (byte)(stream.ReadByte() + 1);
byte sizeZ = (byte)(stream.ReadByte() + 1);
int o = sizeX * sizeY * sizeZ;
Chunk = new Chunk(null, UniversalCoords.FromWorld(posX, posY, posZ));
int len = stream.ReadInt();
stream.ReadBytes(len);
}
public override void Read(PacketReader stream)
{
int posX = stream.ReadInt();
short posY = stream.ReadShort();
int posZ = stream.ReadInt();
byte sizeX = (byte)(stream.ReadByte() + 1);
byte sizeY = (byte)(stream.ReadByte() + 1);
byte sizeZ = (byte)(stream.ReadByte() + 1);
int o = sizeX * sizeY * sizeZ;
Chunk = new Chunk(null, posX << 4, posZ << 4);
int len = stream.ReadInt();
byte[] data = new byte[o * 5 / 2];
byte[] comp = stream.ReadBytes(len);
}
public override void Read(BigEndianStream stream)
{
int posX = stream.ReadInt();
short posY = stream.ReadShort();
int posZ = stream.ReadInt();
byte sizeX = (byte)(stream.ReadByte() + 1);
byte sizeY = (byte)(stream.ReadByte() + 1);
byte sizeZ = (byte)(stream.ReadByte() + 1);
int o = sizeX * sizeY * sizeZ;
Chunk = new Chunk(null, posX, posZ);
int len = stream.ReadInt();
byte[] comp = new byte[len];
byte[] data = new byte[o * 5 / 2];
len = stream.Read(comp, 0, len);
}
public void ProvideChunk(int x, int z, Chunk chunk, bool recalculate)
{
InitGen();
byte[] data = new byte[32768];
Stopwatch watch = new Stopwatch();
watch.Start();
GenerateTerrain(chunk, data, x, z);
GenerateFlora(chunk, data, x, z);
chunk.SetAllBlocks(data);
watch.Stop();
if(recalculate)
chunk.Recalculate();
Console.WriteLine("Chunk {0} {1}, {2}", x, z, watch.ElapsedMilliseconds);
//chunk.Save();
_World.AddChunk(chunk);
chunk.MarkToSave();
}
public Chunk ProvideChunk(int x, int z, Chunk chunk, bool recalculate)
{
InitGen();
byte[] data = new byte[32768];
Stopwatch watch = new Stopwatch();
watch.Start();
GenerateTerrain(chunk, data, x, z);
GenerateFlora(chunk, data, x, z);
chunk.SetAllBlocks(data);
if(recalculate)
chunk.Recalculate();
watch.Stop();
Console.WriteLine("Chunk {0} {1}", x, z);
//chunk.Save();
_World.AddChunk(chunk);
return chunk;
}
private void GenerateOuterLayer(int x, int y, int z, int firstBlockHeight, BIOME_TYPE type, Chunk c, byte[] data)
{
double heightPercentage = (firstBlockHeight - y) / 128.0;
short currentIndex = (short)(x << 11 | z << 7 | y);
switch (type)
{
case BIOME_TYPE.PLAINS:
case BIOME_TYPE.MOUNTAINS:
// Beach
if (y >= 60 && y <= 66)
{
data[currentIndex] = (byte)BlockData.Blocks.Sand;
break;
}
if (heightPercentage == 0.0 && y > 66)
{
// Grass on top
data[currentIndex] = (byte)BlockData.Blocks.Grass;
}
else if (heightPercentage > 0.2)
{
// Stone
data[currentIndex] = (byte)BlockData.Blocks.Stone;
}
else
{
// Dirt
data[currentIndex] = (byte)BlockData.Blocks.Dirt;
}
GenerateRiver(c, x, y, z, heightPercentage, type, data);
break;
case BIOME_TYPE.SNOW:
if (heightPercentage == 0.0 && y > 65)
{
// Snow on top
data[currentIndex] = (byte)BlockData.Blocks.Snow;
// Grass under the snow
data[x << 11 | z << 7 | y - 1] = (byte)BlockData.Blocks.Grass;
}
else if (heightPercentage > 0.2)
{
// Stone
data[currentIndex] = (byte)BlockData.Blocks.Stone;
}
else if (data[x << 11 | z << 7 | (y + 1)] == (byte)BlockData.Blocks.Air)
{
// Grass under the snow
data[currentIndex] = (byte)BlockData.Blocks.Grass;
data[x << 11 | z << 7 | (y + 1)] = (byte)BlockData.Blocks.Snow;
}
else
{
// Dirt
data[currentIndex] = (byte)BlockData.Blocks.Dirt;
}
GenerateRiver(c, x, y, z, heightPercentage, type, data);
break;
case BIOME_TYPE.DESERT:
/*if (heightPercentage > 0.6 && y < 75)
{
// Stone
data[x << 11 | z << 7 | y] = (byte)BlockData.Blocks.Stone;
}
else*/
if (y < 80)
{
data[currentIndex] = (byte)BlockData.Blocks.Sand;
}
break;
}
}
private void GenerateTerrain(Chunk c, byte[] data, int x, int z)
{
double[, ,] density = new double[17, 129, 17];
// Build the density map with lower resolution, 4*4*16 instead of 16*16*128
for (int bx = 0; bx <= 16; bx += 4)
{
int worldX = bx + (x * 16);
for (int bz = 0; bz <= 16; bz += 4)
{
BIOME_TYPE type = CalcBiomeType(x, z);
int worldZ = bz + (z * 16);
for (int by = 0; by <= 128; by += 8)
{
density[bx, by, bz] = CalcDensity(worldX, by, worldZ, type);
}
}
}
triLerpDensityMap(density);
for (int bx = 0; bx < 16; bx++)
{
int worldX = bx + (x * 16);
for (int bz = 0; bz < 16; bz++)
{
int worldZ = bz + (z * 16);
int firstBlockHeight = -1;
BIOME_TYPE type = CalcBiomeType(worldX, worldZ);
for (int by = 127; by >= 0; --by)
{
int index = bx << 11 | bz << 7 | by;
if (by == 0) // First bedrock Layer
{
data[index] = (byte)BlockData.Blocks.Bedrock;
continue;
}
else if (by > 0 && by < 5 && _FastRandom.randomDouble() > 0.3) // Randomly put blocks of the remaining 4 layers of bedrock
{
data[index] = (byte)BlockData.Blocks.Bedrock;
continue;
}
else if (by <= 55)
data[index] = (byte)BlockData.Blocks.Stone;
else
{
if (by > 55 && by < 64)
{
data[index] = (byte)BlockData.Blocks.Still_Water;
if (by == 63 && type == BIOME_TYPE.SNOW)
{
data[index] = (byte)BlockData.Blocks.Ice;
}
}
double dens = density[bx, by, bz];
if (dens >= 0.009 && dens <= 0.02)
{
// Some block was set...
if (firstBlockHeight == -1)
firstBlockHeight = by;
GenerateOuterLayer(bx, by, bz, firstBlockHeight, type, c, data);
}
else if (dens > 0.02)
{
// Some block was set...
if (firstBlockHeight == -1)
firstBlockHeight = by;
if (CalcCaveDensity(worldX, by, worldZ) > -0.6)
GenerateInnerLayer(bx, by, bz, type, data);
}
else
firstBlockHeight = -1;
}
if (data[index] == (byte)BlockData.Blocks.Stone)
GenerateResource(bx, by, bz, data);
}
}
}
}
protected void GenerateRiver(Chunk c, int x, int y, int z, double heightPercentage, BIOME_TYPE type, byte[] data)
{
// Rivers under water? Nope.
if (y <= 63)
return;
double lakeIntens = CalcLakeIntensity(x + c.Coords.ChunkX * 16, z + c.Coords.ChunkZ * 16);
short currentIndex = (short)(x << 11 | z << 7 | y);
if (lakeIntens < 0.2 )
{
if (heightPercentage < 0.001)
data[currentIndex] = (byte)BlockData.Blocks.Air;
else if (heightPercentage < 0.02)
{
if (type == BIOME_TYPE.SNOW)
{
// To be sure that there's no snow above us
data[x << 11 | z << 7 | y + 1] = (byte)BlockData.Blocks.Air;
data[currentIndex] = (byte)BlockData.Blocks.Ice;
}
else
{
data[currentIndex] = (byte)BlockData.Blocks.Still_Water;
}
}
}
}
private void GenerateFlora(Chunk c, byte[] data, int x, int z)
{
BIOME_TYPE biome = CalcBiomeType(x, z);
for (int bx = 0; bx < 16; ++bx)
{
int worldX = bx + x * 16;
for (int bz = 0; bz < 16; ++bz)
{
int worldZ = bz + z * 16;
for (int by = 64; by < 128; ++by)
{
int worldY = by;
int index = bx << 11 | bz << 7 | by + 1;
if (data[bx << 11 | bz << 7 | by] == (byte)BlockData.Blocks.Grass && data[index] == (byte)BlockData.Blocks.Air)
{
double grassDens = CalcGrassDensity(worldX, worldZ);
if (grassDens > 0.0)
{
// Generate high grass.
double rand = _FastRandom.standNormalDistrDouble();
if (rand > -0.2 && rand < 0.2)
{
data[index] = (byte)BlockData.Blocks.TallGrass;
c.Data.setNibble(bx, by + 1, bz, 1);
}
//Generate flowers.
if (_FastRandom.standNormalDistrDouble() < -2)
{
if (_FastRandom.randomBoolean())
data[index] = (byte)BlockData.Blocks.Rose;
else
data[index] = (byte)BlockData.Blocks.Yellow_Flower;
}
}
if (by < 110 && bx % 4 == 0 && bz % 4 == 0)
{
double forestDens = CalcForestDensity(worldX, worldZ);
if (forestDens > 0.005)
{
int randX = bx + _FastRandom.randomInt() % 12 + 4;
int randZ = bz + _FastRandom.randomInt() % 12 + 4;
if (randX < 3)
randX = 3;
else if (randX > 12)
randX = 12;
if (randZ < 3)
randZ = 3;
else if (randZ > 15)
randZ = 12;
if (data[randX << 11 | randZ << 7 | by] == (byte)BlockData.Blocks.Grass)
{
GenerateTree(c, randX, by, randZ, data);
}
else if (biome == BIOME_TYPE.DESERT && data[randX << 11 | randZ << 7 | by] == (byte)BlockData.Blocks.Sand)
{
GenerateCactus(randX, by, randZ, data);
}
}
}
}
}
}
}
}
public Section(Chunk parent)
{
_Parent = parent;
_NonAirBlocks = 0;
}
internal void SendSignTexts(Chunk chunk)
{
foreach (var signKVP in chunk.SignsText)
{
int blockX = signKVP.Key >> 11;
int blockY = (signKVP.Key & 0xFF) % 128;
int blockZ = (signKVP.Key >> 7) & 0xF;
UniversalCoords coords = UniversalCoords.FromBlock(chunk.Coords.ChunkX, chunk.Coords.ChunkZ, blockX, blockY, blockZ);
string[] lines = new string[4];
int length = signKVP.Value.Length;
for (int i = 0; i < 4; ++i, length -= 15)
{
int currentLength = length;
if (currentLength > 15)
currentLength = 15;
if (length > 0)
lines[i] = signKVP.Value.Substring(i * 15, currentLength);
else
lines[i] = "";
}
SendPacket(new UpdateSignPacket { X = coords.WorldX, Y = coords.WorldY, Z = coords.WorldZ, Lines = lines });
}
}
public static bool IsDoubleChest(Chunk chunk, UniversalCoords coords)
{
if (chunk == null)
return false;
return chunk.IsNSEWTo(coords,(byte) BlockData.Blocks.Chest);
}
public Section(Chunk parent, int sectionId)
{
_Parent = parent;
_NonAirBlocks = 0;
SectionId = sectionId;
}
public static MapChunkData GetMapChunkData(Chunk chunk)
{
MapChunkData chunkData = new MapChunkData();
ushort mask = 1;
int sectionIndex = 0;
int sectionsSent = 0;
for (int i = 0; i < 16; ++i )
{
Section currentSection = chunk.Sections[i];
if (currentSection != null)
++sectionsSent;
}
int dataDim = (sectionsSent * Section.BYTESIZE) + 256; // (Number of sections * (Section dimension + Add array) + Biome array
chunkData.Data = new byte[dataDim];
int halfSize = sectionsSent * Section.HALFSIZE;
int offsetData = sectionsSent * Section.SIZE;
int offsetLight = offsetData + halfSize;
int offsetSkyLight = offsetLight + halfSize;
for (int i = 0; i < 16; ++i)
{
Section currentSection = chunk.Sections[i];
if (currentSection != null)
{
Buffer.BlockCopy(currentSection.Types, 0, chunkData.Data, sectionIndex * Section.SIZE, Section.SIZE);
Buffer.BlockCopy(currentSection.Data.Data, 0, chunkData.Data, offsetData + (sectionIndex * Section.HALFSIZE),
Section.HALFSIZE);
Buffer.BlockCopy(chunk.Light.Data, i * Section.HALFSIZE, chunkData.Data, offsetLight + (sectionIndex * Section.HALFSIZE),
Section.HALFSIZE);
Buffer.BlockCopy(chunk.SkyLight.Data, i * Section.HALFSIZE, chunkData.Data, offsetSkyLight + (sectionIndex * Section.HALFSIZE),
Section.HALFSIZE);
chunkData.PrimaryBitMask |= mask << i;
++sectionIndex;
}
// TODO: we leave add array and biome array to 0 (ocean), we need to change the chunk generator accordingly
}
return chunkData;
}
public static void UnloadContainers(Chunk chunk)
{
foreach (var container in chunk.Containers)
{
container.Value.Save();
if (container.Value is FurnaceContainer)
(container.Value as FurnaceContainer).Unload();
}
chunk.Containers.Clear();
}
internal bool Remove(Chunk chunk)
{
chunk.Deleted = true;
return Remove(chunk.Coords);
}
private Chunk LoadChunk(int x, int z)
{
lock (ChunkGenLock)
{
Chunk chunk = new Chunk(this, x << 4, z << 4);
if (chunk.Load())
Chunks.Add(chunk);
else
chunk = Generator.ProvideChunk(x, z);
return chunk;
}
}
private Chunk LoadChunk(UniversalCoords coords, bool create, bool recalculate)
{
lock (ChunkGenLock)
{
// We should check again since two threads can enter here, one after the other, with the same chunk to load
Chunk chunk;
if ((chunk = Chunks[coords]) != null)
return chunk;
chunk = new Chunk(this, coords);
if (chunk.Load())
AddChunk(chunk);
else if (create)
_generator.ProvideChunk(coords.ChunkX, coords.ChunkZ, chunk, recalculate);
else
chunk = null;
if(chunk != null)
chunk.InitGrowableCache();
return chunk;
}
}
private void GenerateTree(Chunk c, int x, int y, int z, byte[] data)
{
// Trees should only be placed in direct sunlight
if (!CanSeeTheSky(x, y + 1, z, data))
return;
double r2 = _FastRandom.standNormalDistrDouble();
/*if (r2 > -2 && r2 < -1)
{*/
// Standard tree
for (int by = y + 4; by < y + 6; by++)
for (int bx = x - 2; bx <= x + 2; bx++)
for (int bz = z - 2; bz <= z + 2; bz++)
{
data[bx << 11 | bz << 7 | by] = (byte)BlockData.Blocks.Leaves;
c.Data.setNibble(bx, by, bz, 0);
}
for (int bx = x - 1; bx <= x + 1; bx++)
for (int bz = z - 1; bz <= z + 1; bz++)
{
data[bx << 11 | bz << 7 | y + 6] = (byte)BlockData.Blocks.Leaves;
c.Data.setNibble(bx, y + 6, bz, 0);
}
for (int by = y + 1; by < y + 6; by++)
{
data[x << 11 | z << 7 | by] = (byte)BlockData.Blocks.Log;
c.Data.setNibble(x, by, z, 0);
}
//}
// TODO: other tree types
/*else if (r2 > 1 && r2 < 2)
{
c.setBlock(x, y + 1, z, (byte)0x0);
c.getParent().getObjectGenerator("firTree").generate(c.getBlockWorldPosX(x), y + 1, c.getBlockWorldPosZ(z), false);
}
else
{
c.setBlock(x, y + 1, z, (byte)0x0);
c.getParent().getObjectGenerator("tree").generate(c.getBlockWorldPosX(x), y + 1, c.getBlockWorldPosZ(z), false);
}*/
}
public void Add(Chunk chunk)
{
this[chunk.Coords] = chunk;
Interlocked.Increment(ref Changes);
}
public void AddChunk(Chunk c)
{
c.CreationDate = DateTime.Now;
Chunks.Add(c);
}
internal void SendChunk(Chunk chunk, bool sync)
{
MapChunkPacket packet = new MapChunkPacket
{
Chunk = chunk,
Async = !sync
};
SendPacket(packet);
}
public static Chunk Load(UniversalCoords coords, WorldManager world)
{
string path = world.Folder + "/x" + coords.ChunkX + "_z" + coords.ChunkZ + ".gz";
if (!CanLoad(path))
return null;
Stream zip = null;
Chunk chunk = new Chunk(world, coords);
try
{
zip = new DeflateStream(File.Open(path, FileMode.Open), CompressionMode.Decompress);
int version = zip.ReadByte();
switch(version)
{
/* When there's a new mod you do:
case 1:
{
* dosomething
* goto case 0;
}*/
case 0:
{
chunk.LightToRecalculate = Convert.ToBoolean(zip.ReadByte());
chunk.HeightMap = new byte[16,16];
int height;
chunk.MaxHeight = 0;
for (int x = 0; x < 16; ++x)
{
for (int z = 0; z < 16; ++z)
{
height = chunk.HeightMap[x, z] = (byte) zip.ReadByte();
if (chunk.MaxHeight < height)
chunk.MaxHeight = height;
}
}
chunk.LoadAllBlocks(zip);
break;
}
}
}
catch (Exception ex)
{
world.Logger.Log(ex);
return null;
}
if (zip != null)
zip.Dispose();
(BlockHelper.Instance((byte) BlockData.Blocks.Sign_Post) as BlockSignBase).LoadSignsFromDisk(chunk, world.SignsFolder);
return chunk;
}
public void RemoveChunk(Chunk c)
{
Chunks.Remove(c);
}