protected void GenerateLeaves(ChunkColumn world, int x, int y, int z, float size, float width, byte leafBlockId, byte leafMeta, byte woodId, byte woodMeta)
{
float dist;
int i, j, k, s = (int)(size - 1f), w = (int)((size - 1f) * width);
for (i = -w; i <= w; i++)
{
for (j = -s; j <= s; j++)
{
for (k = -w; k <= w; k++)
{
dist = Math.Abs((float)i / width) + (float)Math.Abs(j) + Math.Abs((float)k / width);
if (dist <= size - 0.5f || (dist <= size && Rnd.NextDouble() < 0.5))
{
if (dist < 0.6f)
{
world.SetBlock(x + i, y + j, z + k, woodId);
world.SetMetadata(x + i, y + j, z + k, woodMeta);
}
if (world.GetBlock(x + i, y + j, z + k) == 0)
{
world.SetBlock(x + i, y + j, z + k, leafBlockId);
world.SetMetadata(x + i, y + j, z + k, leafMeta);
}
}
}
}
}
}
protected void GenerateCircle(ChunkColumn chunk, Vector3 location, int radius, byte id, byte meta)
{
for (var I = -radius; I <= radius; I = (I + 1))
{
for (var j = -radius; j <= radius; j = (j + 1))
{
var max = (int)Math.Sqrt((I * I) + (j * j));
if (max <= radius)
{
var X = location.X + I;
var Z = location.Z + j;
if (X < 0 || X >= 16 || Z < 0 || Z >= 256)
{
continue;
}
var x = (int)X;
var y = (int)location.Y;
var z = (int)Z;
if (chunk.GetBlock(x, y, z).Equals(0))
{
chunk.SetBlock(x, y, z, id);
chunk.SetMetadata(x, y, z, meta);
}
}
}
}
}
protected void GenerateBranch(ChunkColumn world, float x, float y, float z, double horDir, float verDir, float length, float speed, byte blockId, byte meta)
{
if (verDir < 0f)
{
verDir = -verDir;
}
float c = 0f;
float velY = 1f - verDir;
if (verDir > 1f)
{
verDir = 1f - (verDir - 1f);
}
float velX = (float)Math.Cos(horDir * Math.PI / 180D) * verDir;
float velZ = (float)Math.Sin(horDir * Math.PI / 180D) * verDir;
while (c < length)
{
world.SetBlock((int)x, (int)y, (int)z, blockId);
world.SetMetadata((int)x, (int)y, (int)z, meta);
x += velX;
y += velY;
z += velZ;
c += speed;
}
}
public void SetBlock(Block block)
{
ChunkColumn chunk = GetChunk(block.Coordinates);
chunk.SetBlock(block.Coordinates.X & 0x0f, block.Coordinates.Y & 0xff, block.Coordinates.Z & 0x0f, block.Id);
chunk.SetMetadata(block.Coordinates.X & 0x0f, block.Coordinates.Y & 0xff, block.Coordinates.Z & 0x0f, block.Metadata);
}
public override void Create(ChunkColumn chunk, int x, int y, int z)
{
var block = chunk.GetBlock(x, y - 1, z);
if (block != 2 && block != 3)
{
return;
}
BaseSize = 3 + Rnd.Next(2);
if (Roots > 0f)
{
for (int k = 0; k < 3; k++)
{
GenerateBranch(chunk, x, y + Roots, z, (120 * k) - 40 + Rnd.Next(80), 1.6f + (float)Rnd.NextDouble() * 0.1f, Roots * 1.7f, 1f, 17, 3);
}
}
for (int i = y + Roots; i < y + BaseSize; i++)
{
chunk.SetBlock(x, i, z, 17);
chunk.SetMetadata(x, i, z, 3);
}
float horDir, verDir;
int eX, eY, eZ;
for (int j = 0; j < Branches; j++)
{
horDir = (120 * j) - 60 + Rnd.Next(120);
verDir = VerticalStart + (float)Rnd.NextDouble() * VerticalRand;
eX = x + (int)(Math.Cos(horDir * Math.PI / 180D) * verDir * BranchLength);
eZ = z + (int)(Math.Sin(horDir * Math.PI / 180D) * verDir * BranchLength);
eY = y + BaseSize + (int)((1f - verDir) * BranchLength);
if (CanGenerateBranch(x, y + BaseSize, z, horDir, verDir, BranchLength, 1f, 4f, 1.5f) && CanGenerateLeaves(eX, eY, eZ, 4f, 1.5f))
{
GenerateBranch(chunk, x, y + BaseSize, z, horDir, verDir, BranchLength, 1f, 17, 3);
for (int m = 0; m < 1; m++)
{
GenerateLeaves(chunk, eX, eY, eZ, 4f, 1.5f, 18, 3, 17, 3);
}
}
}
/*var location = new Vector3(x, y, z);
* if (!ValidLocation(location, 2)) return;
*
* int height = Math.Max(4, Rnd.Next(MaxHeight));
*
* GenerateColumn(chunk, location, height, 17, 3);
* Vector3 leafLocation = location + new Vector3(0, height, 0);
* GenerateVanillaLeaves(chunk, leafLocation, 2, 18, 3);
*/
// base.Create(chunk, x, y, z);
}
public override void Create(ChunkColumn chunk, int x, int y, int z)
{
if (x < 6 || x > 10 || z < 6 || z > 10)
{
return;
}
var block = chunk.GetBlock(x, y - 1, z);
if (block != 2 && block != 3)
{
return;
}
BaseSize = 9 + Rnd.Next(5);
if (Roots > 0f)
{
for (int k = 0; k < 3; k++)
{
GenerateBranch(chunk, x, y + Roots, z, (120 * k) - 40 + Rnd.Next(80), 1.6f + (float)Rnd.NextDouble() * 0.1f, Roots * 1.7f, 1f,
17, 3); //17 = Wood, 3 = Jungle Type
}
}
for (int i = y + Roots; i < y + BaseSize; i++)
{
chunk.SetBlock(x, i, z, 17);
chunk.SetMetadata(x, i, z, 3);
}
float horDir, verDir;
int eX, eY, eZ;
for (int j = 0; j < Branches; j++)
{
horDir = (120 * j) - 60 + Rnd.Next(120);
verDir = VerticalStart + (float)Rnd.NextDouble() * VerticalRand;
eX = x + (int)(Math.Cos(horDir * Math.PI / 180D) * verDir * BranchLength);
eZ = z + (int)(Math.Sin(horDir * Math.PI / 180D) * verDir * BranchLength);
eY = y + BaseSize + (int)((1f - verDir) * BranchLength);
if (CanGenerateBranch(x, y + BaseSize, z, horDir, verDir, BranchLength, 1f, 4f, 1.5f) && CanGenerateLeaves(eX, eY, eZ, 4f, 1.5f))
{
GenerateBranch(chunk, x, y + BaseSize, z, horDir, verDir, BranchLength, 1f,
17, 3); //17 = Wood, 3 = Jungle Type
for (int m = 0; m < 1; m++)
{
GenerateLeaves(chunk, eX, eY, eZ, 4f, 1.5f,
18, 3, //18 = Leaves, 3 = Jungle Type
17, 3); //17 = Wood, 3 = Jungle Type
}
}
}
}
public void Create(ChunkColumn chunk, int x, int y, int z)
{
if (chunk.GetBlock(x, y + MaxHeight, z) == (byte) Material.Air)
{
foreach (Block b in Blocks)
{
chunk.SetBlock(x + b.Coordinates.X, y + b.Coordinates.Y, z + b.Coordinates.Z, b.Id);
chunk.SetMetadata(x + b.Coordinates.X, y + b.Coordinates.Y, z + b.Coordinates.Z, b.Metadata);
}
}
}
public static void GenerateColumn(ChunkColumn chunk, Vector3 location, int height, byte id, byte meta)
{
for (var o = 0; o < height; o++)
{
var x = (int)location.X;
var y = (int)location.Y + o;
var z = (int)location.Z;
chunk.SetBlock(x, y, z, id);
chunk.SetMetadata(x, y, z, meta);
}
}
public void Create(ChunkColumn chunk, int x, int y, int z)
{
if (chunk.GetBlock(x, y + MaxHeight, z) == (byte)Material.Air)
{
foreach (Block b in Blocks)
{
chunk.SetBlock(x + b.Coordinates.X, y + b.Coordinates.Y, z + b.Coordinates.Z, b.Id);
chunk.SetMetadata(x + b.Coordinates.X, y + b.Coordinates.Y, z + b.Coordinates.Z, b.Metadata);
}
}
}
private void DecorateChunk(ChunkColumn chunk, float[] heightMap, float[] thresholdMap, Biome[] biomes,
ChunkDecorator[] decorators)
{
for (int x = 0; x < Width; x++)
{
for (int z = 0; z < Depth; z++)
{
var height = chunk.height[(x << 4) + z];
var biome = biomes[(x << 4) + z];
for (int y = 0; y < Height; y++)
{
bool isSurface = false;
if (y <= height)
{
if (y < 255 && chunk.GetBlock(x, y, z) == 1 && chunk.GetBlock(x, y + 1, z) == 0)
{
isSurface = true;
}
if (isSurface)
{
if (y >= WaterLevel)
{
chunk.SetBlock(x, y, z, biome.SurfaceBlock);
chunk.SetMetadata(x, y, z, biome.SurfaceMetadata);
chunk.SetBlock(x, y - 1, z, biome.SoilBlock);
chunk.SetMetadata(x, y - 1, z, biome.SoilMetadata);
}
}
}
for (int i = 0; i < decorators.Length; i++)
{
decorators[i].Decorate(chunk, biome, thresholdMap, x, y, z, isSurface, y < height - 1);
}
}
}
}
}
protected void GenerateTopper(ChunkColumn chunk, Vector3 location, byte type = 0x0)
{
var sectionRadius = 1;
GenerateCircle(chunk, location, sectionRadius, 18, 1);
var top = location + new Vector3(0, 1, 0);
var x = (int)location.X;
var y = (int)location.Y + 1;
var z = (int)location.Z;
chunk.SetBlock(x, y, z, 18);
chunk.SetMetadata(x, y, z, 1);
if (type == 0x1 && y < 256)
{
GenerateVanillaCircle(chunk, new Vector3(x, y, z), sectionRadius, 18, 1);
}
}
public override void Create(ChunkColumn chunk, int x, int y, int z)
{
if (chunk.GetBlock(x, y - 1, z) != 12)
{
return; //Not sand, do not generate.
}
var growth = Rnd.Next(0x1, 0x15);
for (int modifiedY = y; modifiedY < y + _height; modifiedY++)
{
if (!CheckSafe(chunk, x, modifiedY, z))
{
break;
}
chunk.SetBlock(x, modifiedY, z, 81); //Cactus block
chunk.SetMetadata(x, modifiedY, z, (byte)growth);
}
}
protected void GenerateVanillaCircle(ChunkColumn chunk, Vector3 location, int radius, byte id, byte meta,
double corner = 0)
{
for (var I = -radius; I <= radius; I = (I + 1))
{
for (var j = -radius; j <= radius; j = (j + 1))
{
var max = (int)Math.Sqrt((I * I) + (j * j));
if (max <= radius)
{
if (I.Equals(-radius) && j.Equals(-radius) || I.Equals(-radius) && j.Equals(radius) ||
I.Equals(radius) && j.Equals(-radius) || I.Equals(radius) && j.Equals(radius))
{
if (corner + radius * 0.2 < 0.4 || corner + radius * 0.2 > 0.7 || corner.Equals(0))
{
continue;
}
}
var x = location.X + I;
var z = location.Z + j;
if (x < 0 || z > 16)
{
continue;
}
if (z < 0 || z > 16)
{
continue;
}
if (chunk.GetBlock((int)x, (int)location.Y, (int)z) == 0)
{
chunk.SetBlock((int)x, (int)location.Y, (int)z, id);
chunk.SetMetadata((int)x, (int)location.Y, (int)z, meta);
}
}
}
}
}
private void PopulateChunk(ChunkColumn chunk)
{
int trees = new Random().Next(0, 10);
int[,] treeBasePositions = new int[trees, 2];
for (int t = 0; t < trees; t++)
{
int x = new Random().Next(1, 16);
int z = new Random().Next(1, 16);
treeBasePositions[t, 0] = x;
treeBasePositions[t, 1] = z;
}
var bottom = new SimplexOctaveGenerator(_seed.GetHashCode(), 8);
var overhang = new SimplexOctaveGenerator(_seed.GetHashCode(), 8);
overhang.SetScale(1/64.0);
bottom.SetScale(1/128.0);
double overhangsMagnitude = 16;
double bottomsMagnitude = 32;
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
float ox = x + chunk.x*16;
float oz = z + chunk.z*16;
int bottomHeight = (int)((bottom.Noise(ox, oz, 0.5, 0.5)*bottomsMagnitude) + 64.0);
int maxHeight = (int)((overhang.Noise(ox, oz, 0.5, 0.5)*overhangsMagnitude) + bottomHeight + 32.0);
double threshold = 0.0;
maxHeight = Math.Max(1, maxHeight);
for (int y = 0; y < maxHeight && y < 128; y++)
{
if (y <= 1)
{
chunk.SetBlock(x, y, z, 7);
continue;
}
if (y > bottomHeight)
{
//part where we do the overhangs
double density = overhang.Noise(ox, y, oz, 0.5, 0.5);
if (density > threshold) chunk.SetBlock(x, y, z, (byte)Material.Stone);
}
else
{
chunk.SetBlock(x, y, z, (byte)Material.Stone);
}
}
//turn the tops into grass
chunk.SetBlock(x, bottomHeight, z, (byte)Material.Grass); //the top of the base hills
chunk.SetBlock(x, bottomHeight - 1, z, (byte)Material.Dirt);
chunk.SetBlock(x, bottomHeight - 2, z, (byte)Material.Dirt);
for (int y = bottomHeight + 1; y > bottomHeight && y < maxHeight && y < 127; y++)
{
//the overhang
byte thisblock = chunk.GetBlock(x, y, z);
byte blockabove = chunk.GetBlock(x, y + 1, z);
if (thisblock != (decimal)Material.Air && blockabove == (decimal)Material.Air)
{
if (chunk.GetBlock(x, y, z) == (byte)Material.Dirt || chunk.GetBlock(x, y, z) == (byte)Material.Air || chunk.GetBlock(x, y, z) == (byte)Material.Stone) chunk.SetBlock(x, y, z, (byte)Material.Grass);
if (chunk.GetBlock(x, y - 1, z) != (decimal)Material.Air)
chunk.SetBlock(x, y - 1, z, (byte)Material.Dirt);
if (chunk.GetBlock(x, y - 2, z) != (decimal)Material.Air)
chunk.SetBlock(x, y - 2, z, (byte)Material.Dirt);
}
}
for (int y = 0; y < WaterLevel; y++)
{
//Lake generation
if (y < WaterLevel)
{
if (chunk.GetBlock(x, y, z) == (decimal)Material.Grass || chunk.GetBlock(x, y, z) == (decimal)Material.Dirt) //Grass or Dirt?
{
if (GetRandomNumber(1, 40) == 1 && y < WaterLevel - 4)
chunk.SetBlock(x, y, z, 82); //Clay
else
chunk.SetBlock(x, y, z, 12); //Sand
}
if (chunk.GetBlock(x, y + 1, z) == (decimal)Material.Air)
{
if (y < WaterLevel - 3)
chunk.SetBlock(x, y + 1, z, 8); //FlowingWater
}
}
}
for (int y = 0; y < 127; y++)
{
byte thisblock = chunk.GetBlock(x, y, z);
byte blockabove = chunk.GetBlock(x, y + 1, z);
if (thisblock == (decimal)Material.Grass && blockabove == (decimal)Material.Air && y > WaterLevel)
{
//Grass
if (GetRandomNumber(0, 5) == 1)
{
chunk.SetBlock(x, y + 1, z, 31);
chunk.SetMetadata(x, y + 1, z, 1);
}
//Flowers
if (GetRandomNumber(0, 65) == 1)
{
int meta = GetRandomNumber(0, 8);
chunk.SetBlock(x, y + 1, z, 38);
chunk.SetMetadata(x, y + 1, z, (byte)meta);
}
//Trees
for (int pos = 0; pos < trees; pos++)
{
if (treeBasePositions[pos, 0] < 14 && treeBasePositions[pos, 0] > 4 && treeBasePositions[pos, 1] < 14 &&
treeBasePositions[pos, 1] > 4)
{
if (chunk.GetBlock(treeBasePositions[pos, 0], y + 1, treeBasePositions[pos, 1]) == 2)
{
if (y >= bottomHeight)
GenerateTree(chunk, treeBasePositions[pos, 0], y + 1, treeBasePositions[pos, 1], WoodType.Oak);
}
}
}
}
}
}
}
}
private void PopulateChunk(ChunkColumn chunk)
{
int trees = new Random().Next(0, 10);
int[,] treeBasePositions = new int[trees, 2];
for (int t = 0; t < trees; t++)
{
int x = new Random().Next(1, 16);
int z = new Random().Next(1, 16);
treeBasePositions[t, 0] = x;
treeBasePositions[t, 1] = z;
}
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
int stoneHeight = (int) Math.Floor(stoneBaseHeight);
stoneHeight += GetNoise(chunk.x*16 + x, chunk.z*16 + z, stoneMountainFrequency, (int) Math.Floor(stoneMountainHeight));
if (stoneHeight < stoneMinHeight)
stoneHeight = (int) Math.Floor(stoneMinHeight);
stoneHeight += GetNoise(chunk.x*16 + x, chunk.z*16 + z, stoneBaseNoise, (int) Math.Floor(stoneBaseNoiseHeight));
int dirtHeight = stoneHeight + (int) Math.Floor(dirtBaseHeight);
dirtHeight += GetNoise(chunk.x*16 + x, chunk.z*16 + z, dirtNoise, (int) Math.Floor(dirtNoiseHeight));
for (int y = 0; y < 256; y++)
{
//float y2 = Get3DNoise(chunk.X*16, y, chunk.Z*16, stoneBaseNoise, (int) Math.Floor(stoneBaseNoiseHeight));
if (y <= stoneHeight)
{
chunk.SetBlock(x, y, z, 1);
//Diamond ore
if (GetRandomNumber(0, 2500) < 5)
{
chunk.SetBlock(x, y, z, 56);
}
//Coal Ore
if (GetRandomNumber(0, 1500) < 50)
{
chunk.SetBlock(x, y, z, 16);
}
//Iron Ore
if (GetRandomNumber(0, 2500) < 30)
{
chunk.SetBlock(x, y, z, 15);
}
//Gold Ore
if (GetRandomNumber(0, 2500) < 20)
{
chunk.SetBlock(x, y, z, 14);
}
}
if (y < waterLevel) //FlowingWater :)
{
if (chunk.GetBlock(x, y, z) == 2 || chunk.GetBlock(x, y, z) == 3) //Grass or Dirt?
{
if (GetRandomNumber(1, 40) == 5 && y < waterLevel - 4)
chunk.SetBlock(x, y, z, 82); //Clay
else
chunk.SetBlock(x, y, z, 12); //Sand
}
if (y < waterLevel - 3)
chunk.SetBlock(x, y + 1, z, 8); //FlowingWater
}
if (y <= dirtHeight && y >= stoneHeight)
{
chunk.SetBlock(x, y, z, 3); //Dirt
chunk.SetBlock(x, y + 1, z, 2); //Grass Block
if (y > waterLevel)
{
//Grass
if (GetRandomNumber(0, 5) == 2)
{
chunk.SetBlock(x, y + 2, z, 31);
chunk.SetMetadata(x, y + 2, z, 1);
}
//flower
if (GetRandomNumber(0, 65) == 8)
{
int meta = GetRandomNumber(0, 8);
chunk.SetBlock(x, y + 2, z, 38);
chunk.SetMetadata(x, y + 2, z, (byte) meta);
}
for (int pos = 0; pos < trees; pos++)
{
if (treeBasePositions[pos, 0] < 14 && treeBasePositions[pos, 0] > 4 && treeBasePositions[pos, 1] < 14 &&
treeBasePositions[pos, 1] > 4)
{
if (y < waterLevel + 2)
break;
if (chunk.GetBlock(treeBasePositions[pos, 0], y + 1, treeBasePositions[pos, 1]) == 2)
{
if (y == dirtHeight)
GenerateTree(chunk, treeBasePositions[pos, 0], y + 1, treeBasePositions[pos, 1]);
}
}
}
}
}
if (y == 0)
{
chunk.SetBlock(x, y, z, 7);
}
}
}
}
}
public ChunkColumn GenerateChunkColumn(ChunkCoordinates chunkCoordinates)
{
ChunkColumn chunk = new ChunkColumn();
chunk.x = chunkCoordinates.X;
chunk.z = chunkCoordinates.Z;
int xOffset = chunk.x << 4;
int zOffset = chunk.z << 4;
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
for (int y = 0; y < PlotHeight + 1; y++)
{
if (y == 0)
{
chunk.SetBlock(x, y, z, 7); // Bedrock
}
else if (y == PlotHeight - 1)
{
chunk.SetBlock(x, y, z, 2); // grass
}
else if (y == PlotHeight)
{
if (!IsZRoad(z + zOffset, true) && !IsXRoad(x + xOffset, true))
{
var block = PlotPattern.Next(new BlockCoordinates(x, PlotHeight, z));
chunk.SetBlock(x, y, z, block.Id); // grass
if (block.Metadata != 0)
{
chunk.SetMetadata(x, y, z, block.Metadata); // grass
}
}
}
else if (y > PlotHeight - 4)
{
chunk.SetBlock(x, y, z, 3); // dirt
}
else
{
chunk.SetBlock(x, y, z, 1); // stone
}
}
chunk.SetHeight(x, z, PlotHeight);
}
}
var leaves = new Leaves();
//if (xOffset < 0) xOffset -= PlotAreaWidth;
//if (zOffset < 0) zOffset -= PlotAreaDepth;
for (int x = xOffset; x < xOffset + 16; x++)
{
for (int z = zOffset; z < zOffset + 16; z++)
{
for (int i = 1; i < RoadWidth - 1; i++)
{
var block = RoadPattern.Next(new BlockCoordinates(x, PlotHeight, z));
if ((x - i) % PlotAreaWidth == 0)
{
chunk.SetBlock(x - xOffset, PlotHeight - 1, z - zOffset, block.Id);
if (block.Metadata != 0)
{
chunk.SetMetadata(x - xOffset, PlotHeight - 1, z - zOffset, block.Metadata);
}
}
if ((z - i) % PlotAreaDepth == 0)
{
chunk.SetBlock(x - xOffset, PlotHeight - 1, z - zOffset, block.Id);
if (block.Metadata != 0)
{
chunk.SetMetadata(x - xOffset, PlotHeight - 1, z - zOffset, block.Metadata);
}
}
}
if (x % PlotAreaWidth == 0 && !IsZRoad(z))
{
chunk.SetBlock(x - xOffset, PlotHeight, z - zOffset, leaves.Id);
}
if ((x - RoadWidth + 1) % PlotAreaWidth == 0 && !IsZRoad(z))
{
chunk.SetBlock(x - xOffset, PlotHeight, z - zOffset, leaves.Id);
}
if (z % PlotAreaDepth == 0 && !IsXRoad(x))
{
chunk.SetBlock(x - xOffset, PlotHeight, z - zOffset, leaves.Id);
}
if ((z - RoadWidth + 1) % PlotAreaDepth == 0 && !IsXRoad(x))
{
chunk.SetBlock(x - xOffset, PlotHeight, z - zOffset, leaves.Id);
}
if (x % PlotAreaWidth == 0 && z % PlotAreaDepth == 0)
{
chunk.SetBlock(x - xOffset, PlotHeight + 1, z - zOffset, new RedstoneBlock().Id);
}
if (x % PlotAreaWidth == PlotAreaWidth - 1 && z % PlotAreaDepth == PlotAreaDepth - 1)
{
chunk.SetBlock(x - xOffset, PlotHeight + 1, z - zOffset, new LapisBlock().Id); // stone
}
}
}
return(chunk);
}
public static ChunkColumn GetChunk(ChunkCoordinates coordinates, string basePath, IWorldProvider generator, int yoffset)
{
int width = 32;
int depth = 32;
int rx = coordinates.X >> 5;
int rz = coordinates.Z >> 5;
string filePath = Path.Combine(basePath, string.Format(@"region\r.{0}.{1}.mca", rx, rz));
if (!File.Exists(filePath)) return generator.GenerateChunkColumn(coordinates);
using (var regionFile = File.OpenRead(filePath))
{
byte[] buffer = new byte[8192];
regionFile.Read(buffer, 0, 8192);
int xi = (coordinates.X%width);
if (xi < 0) xi += 32;
int zi = (coordinates.Z%depth);
if (zi < 0) zi += 32;
int tableOffset = (xi + zi*width)*4;
regionFile.Seek(tableOffset, SeekOrigin.Begin);
byte[] offsetBuffer = new byte[4];
regionFile.Read(offsetBuffer, 0, 3);
Array.Reverse(offsetBuffer);
int offset = BitConverter.ToInt32(offsetBuffer, 0) << 4;
int length = regionFile.ReadByte();
if (offset == 0 || length == 0)
{
return generator.GenerateChunkColumn(coordinates);
}
regionFile.Seek(offset, SeekOrigin.Begin);
byte[] waste = new byte[4];
regionFile.Read(waste, 0, 4);
int compressionMode = regionFile.ReadByte();
var nbt = new NbtFile();
nbt.LoadFromStream(regionFile, NbtCompression.ZLib);
NbtTag dataTag = nbt.RootTag["Level"];
NbtList sections = dataTag["Sections"] as NbtList;
ChunkColumn chunk = new ChunkColumn
{
x = coordinates.X,
z = coordinates.Z,
biomeId = dataTag["Biomes"].ByteArrayValue
};
for (int i = 0; i < chunk.biomeId.Length; i++)
{
if (chunk.biomeId[i] > 22) chunk.biomeId[i] = 0;
}
if (chunk.biomeId.Length > 256) throw new Exception();
// This will turn into a full chunk column
foreach (NbtTag sectionTag in sections)
{
int sy = sectionTag["Y"].ByteValue*16;
byte[] blocks = sectionTag["Blocks"].ByteArrayValue;
byte[] data = sectionTag["Data"].ByteArrayValue;
NbtTag addTag = sectionTag["Add"];
byte[] adddata = new byte[2048];
if (addTag != null) adddata = addTag.ByteArrayValue;
byte[] blockLight = sectionTag["BlockLight"].ByteArrayValue;
byte[] skyLight = sectionTag["SkyLight"].ByteArrayValue;
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
for (int y = 0; y < 16; y++)
{
int yi = sy + y - yoffset;
if (yi < 0 || yi >= 128) continue;
int anvilIndex = y*16*16 + z*16 + x;
int blockId = blocks[anvilIndex] + (Nibble4(adddata, anvilIndex) << 8);
// Anvil to PE friendly converstion
if (blockId == 125) blockId = 5;
else if (blockId == 126) blockId = 158;
else if (blockId == 75) blockId = 50;
else if (blockId == 76) blockId = 50;
else if (blockId == 123) blockId = 89;
else if (blockId == 124) blockId = 89;
else if (blockId == 152) blockId = 73;
else if (_ignore.BinarySearch(blockId) >= 0) blockId = 0;
else if (_gaps.BinarySearch(blockId) >= 0)
{
Debug.WriteLine("Missing material: " + blockId);
blockId = 133;
}
if (blockId > 255) blockId = 41;
if (yi == 127 && blockId != 0) blockId = 30;
if (yi == 0 && (blockId == 8 || blockId == 9 /*|| blockId == 0*/)) blockId = 7;
//if (blockId != 0) blockId = 41;
chunk.SetBlock(x, yi, z, (byte) blockId);
chunk.SetMetadata(x, yi, z, Nibble4(data, anvilIndex));
chunk.SetBlocklight(x, yi, z, Nibble4(blockLight, anvilIndex));
chunk.SetSkylight(x, yi, z, Nibble4(skyLight, anvilIndex));
}
}
}
}
NbtList entities = dataTag["Entities"] as NbtList;
NbtList blockEntities = dataTag["TileEntities"] as NbtList;
if (blockEntities != null)
{
foreach (var nbtTag in blockEntities)
{
var blockEntityTag = (NbtCompound) nbtTag;
string entityId = blockEntityTag["id"].StringValue;
int x = blockEntityTag["x"].IntValue;
int y = blockEntityTag["y"].IntValue - yoffset;
int z = blockEntityTag["z"].IntValue;
blockEntityTag["y"] = new NbtInt("y", y);
BlockEntity blockEntity = BlockEntityFactory.GetBlockEntityById(entityId);
if (blockEntity != null)
{
blockEntityTag.Name = string.Empty;
chunk.SetBlockEntity(new BlockCoordinates(x, y, z), blockEntityTag);
}
}
}
NbtList tileTicks = dataTag["TileTicks"] as NbtList;
chunk.isDirty = false;
return chunk;
}
}
public ChunkColumn GenerateChunkColumn(ChunkCoordinates chunkCoordinates)
{
lock (_chunkCache)
{
ChunkColumn cachedChunk;
if (_chunkCache.TryGetValue(chunkCoordinates, out cachedChunk))
{
return cachedChunk;
}
ChunkColumn chunk = new ChunkColumn();
chunk.x = chunkCoordinates.X;
chunk.z = chunkCoordinates.Z;
int h = PopulateChunk(chunk);
chunk.SetBlock(0, h + 1, 0, 7);
chunk.SetBlock(1, h + 1, 0, 41);
chunk.SetBlock(2, h + 1, 0, 41);
chunk.SetBlock(3, h + 1, 0, 41);
chunk.SetBlock(3, h + 1, 0, 41);
//chunk.SetBlock(6, h + 1, 6, 57);
chunk.SetBlock(6, h, 9, 63);
chunk.SetMetadata(6, h, 9, 12);
var blockEntity = GetBlockEntity((chunkCoordinates.X*16) + 6, h, (chunkCoordinates.Z*16) + 9);
chunk.SetBlockEntity(blockEntity.Coordinates, blockEntity.GetCompound());
if (chunkCoordinates.X == 1 && chunkCoordinates.Z == 1)
{
for (int x = 0; x < 10; x++)
{
for (int z = 0; z < 10; z++)
{
for (int y = h - 2; y < h; y++)
{
chunk.SetBlock(x, y, z, 8);
}
}
}
}
if (chunkCoordinates.X == 3 && chunkCoordinates.Z == 1)
{
for (int x = 0; x < 10; x++)
{
for (int z = 0; z < 10; z++)
{
for (int y = h - 1; y < h; y++)
{
chunk.SetBlock(x, y, z, 10);
}
}
}
}
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
for (int y = 127; y != 0; y--)
{
if (chunk.GetBlock(x, y, z) == 0x00)
{
chunk.SetSkylight(x, y, z, 0xff);
}
else
{
chunk.SetSkylight(x, y, z, 0x00);
}
}
}
}
_chunkCache[chunkCoordinates] = chunk;
return chunk;
}
}
public override void Decorate(ChunkColumn column, Biome biome, float[] thresholdMap, int x, int y, int z, bool surface,
bool isBelowMaxHeight)
{
try
{
var currentTemperature = biome.Temperature;
if (y > 64)
{
int distanceToSeaLevel = y - 64;
currentTemperature = biome.Temperature - (0.00166667f * distanceToSeaLevel);
}
int rx = column.x * 16 + x;
int rz = column.z * 16 + z;
bool generated = false;
if (surface && y >= OverworldGenerator.WaterLevel)
{
var noise = Simplex.Noise(rx, rz, biome.Downfall, 0.5, true);
if (x >= 3 && x <= 13 && z >= 3 && z <= 13)
{
Structure tree = null;
if (biome.Downfall <= 0f && biome.Temperature >= 2f)
{
if (GetRandom(32) == 16)
{
var randValue = GetRandom(18);
if (randValue >= 0 && randValue <= 2) //3 tall cactus
{
tree = new CactusStructure(3);
}
else if (randValue > 2 && randValue <= 5) // 2 tall cactus
{
tree = new CactusStructure(2);
}
else if (randValue > 5 && randValue <= 11) // 1 tall cactus
{
tree = new CactusStructure(1);
}
}
}
if (tree == null && biome.Downfall >= 0 && (noise > ((1f - biome.Downfall) /* + 0.5*/) + (y / 512f)))
{
if (currentTemperature >= 1f && biome.Downfall >= 0.2f)
{
if (GetRandom(8) == 4)
{
tree = new LargeJungleTree();
}
else
{
tree = new SmallJungleTree();
}
}
/* else if (currentTemperature >= 0.7F && biome.Downfall >= 0.2f)
* {
* tree = new OakTree(true);
* }*/
else if (currentTemperature >= 0.7F && biome.Downfall < 0.2f)
{
tree = new AcaciaTree();
}
else if (currentTemperature > 0.25f && biome.Downfall > 0f)
{
if (biome.Name.Contains("Birch") || GetRandom(16) == 8)
{
tree = new BirchTree();
}
else
{
tree = new OakTree();
}
}
else if (currentTemperature <= 0.25f && biome.Downfall > 0f)
{
tree = new PineTree();
}
}
if (tree != null)
{
if (y + 1 < 254)
{
tree.Create(column, x, y + 1, z);
}
generated = true;
}
}
if (!generated)
{
if (noise > 0.5) //Threshold 1
{
/*if (currentTemperature > 0.3f && currentTemperature < 1.5f && biome.Downfall >= 0.85f)
* {
* column.SetBlock(x, y + 1, z, 18); //Leaves
* column.SetMetadata(x, y + 1, z, 3); //Jungle Leaves
* }
* else*/
if (currentTemperature > 0.3f && currentTemperature < 1.5f && biome.Downfall > 0)
{
var blockBeneath = column.GetBlock(x, y, z);
var sugarPosibility = GetRandom(18);
if (/*sugarPosibility <= 11*/ noise > 0.75f &&
(blockBeneath == 3 || blockBeneath == 2 || blockBeneath == 12) &&
IsValidSugarCaneLocation(column, x, y, z))
{
int height = 1;
if (sugarPosibility <= 2)
{
height = 3;
}
else if (sugarPosibility <= 5)
{
height = 2;
}
//var growth = Rnd.Next(0x1, 0x15);
for (int mY = y + 1; mY < y + 1 + height; mY++)
{
column.SetBlock(x, mY, z, 83); //SugarCane
if (mY == y + 1 + height)
{
column.SetMetadata(x, mY, z, (byte)Rnd.Next(0, 15));
}
else
{
column.SetMetadata(x, mY, z, 0);
}
}
}
else if (noise > 0.8 && blockBeneath == 3 || blockBeneath == 2) //If above 0.8, we generate flowers :)
{
if (Simplex.Noise(rx, rz, 0.5f, 0.5f, true) > 0.5)
{
column.SetBlock(x, y + 1, z, 38); //Poppy
column.SetMetadata(x, y + 1, z, (byte)GetRandom(8));
}
else
{
column.SetBlock(x, y + 1, z, 37); //Dandelion
}
}
else if (blockBeneath == 3 || blockBeneath == 2)
{
column.SetBlock(x, y + 1, z, 31); //Grass
column.SetMetadata(x, y + 1, z, 1);
}
}
}
}
}
}
catch (Exception e)
{
}
}