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 < 255; 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 < 255; y++)
{
//the overhang
int thisblock = chunk.GetBlock(x, y, z);
int 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 < 255; y++)
{
int thisblock = chunk.GetBlock(x, y, z);
int 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;
}
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);
}
}
}
}
}
}
}
}