public IChunk GenerateChunk(IWorld world, Coordinates2D position)
{
var chunk = new Chunk(position);
int y = 0;
for (int i = 0; i < Layers.Count; i++)
{
int height = y + Layers[i].Height;
while (y < height)
{
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
chunk.SetBlockID(new Coordinates3D(x, y, z), Layers[i].BlockId);
chunk.SetMetadata(new Coordinates3D(x, y, z), Layers[i].Metadata);
}
}
y++;
}
}
for (int i = 0; i < chunk.Biomes.Length; i++)
chunk.Biomes[i] = (byte)Biome;
chunk.TerrainPopulated = true;
chunk.UpdateHeightMap();
return chunk;
}
public void SetChunk(Coordinates2D coordinates, Chunk chunk)
{
int regionX = coordinates.X / Region.Width - ((coordinates.X < 0) ? 1 : 0);
int regionZ = coordinates.Z / Region.Depth - ((coordinates.Z < 0) ? 1 : 0);
var region = LoadOrGenerateRegion(new Coordinates2D(regionX, regionZ));
lock (region)
{
chunk.IsModified = true;
region.SetChunk(new Coordinates2D(coordinates.X - regionX * 32, coordinates.Z - regionZ * 32), chunk);
}
}
public IChunk GenerateChunk(IWorld world, Coordinates2D coordinates)
{
const int featurePointDistance = 400;
// TODO: Create a terrain generator initializer function that gets passed the seed etc
int seed = world.Seed;
var worley = new CellNoise(seed);
HighNoise.Seed = seed;
LowNoise.Seed = seed;
CaveNoise.Seed = seed;
var chunk = new Chunk(coordinates);
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
var blockX = MathHelper.ChunkToBlockX(x, coordinates.X);
var blockZ = MathHelper.ChunkToBlockZ(z, coordinates.Z);
const double lowClampRange = 5;
double lowClampMid = LowClamp.MaxValue - ((LowClamp.MaxValue + LowClamp.MinValue) / 2);
double lowClampValue = LowClamp.Value2D(blockX, blockZ);
if (lowClampValue > lowClampMid - lowClampRange && lowClampValue < lowClampMid + lowClampRange)
{
InvertNoise NewPrimary = new InvertNoise(HighClamp);
FinalNoise.PrimaryNoise = NewPrimary;
}
else
{
//reset it after modifying the values
FinalNoise = new ModifyNoise(HighClamp, LowClamp, NoiseModifier.Add);
}
FinalNoise = new ModifyNoise(FinalNoise, BottomClamp, NoiseModifier.Subtract);
var cellValue = worley.Value2D(blockX, blockZ);
var location = new Coordinates2D(blockX, blockZ);
if (world.BiomeDiagram.BiomeCells.Count < 1
|| cellValue.Equals(1)
&& world.BiomeDiagram.ClosestCellPoint(location) >= featurePointDistance)
{
byte id = (SingleBiome) ? GenerationBiome : world.BiomeDiagram.GenerateBiome(seed, Biomes, location);
var cell = new BiomeCell(id, location);
world.BiomeDiagram.AddCell(cell);
}
var biomeId = GetBiome(world, location);
var biome = Biomes.GetBiome(biomeId);
chunk.Biomes[x * Chunk.Width + z] = biomeId;
var height = GetHeight(blockX, blockZ);
var surfaceHeight = height - biome.SurfaceDepth;
chunk.HeightMap[x * Chunk.Width + z] = height;
// TODO: Do not overwrite blocks if they are already set from adjacent chunks
for (int y = 0; y <= height; y++)
{
double cave = 0;
if (!EnableCaves)
cave = double.MaxValue;
else
cave = CaveNoise.Value3D((blockX + x) / 2, y / 2, (blockZ + z) / 2);
double threshold = 0.05;
if (y < 4)
threshold = double.MaxValue;
else
{
if (y > height - 8)
threshold = 8;
}
if (cave < threshold)
{
if (y == 0)
chunk.SetBlockID(new Coordinates3D(x, y, z), BedrockBlock.BlockID);
else
{
if (y.Equals(height) || y < height && y > surfaceHeight)
chunk.SetBlockID(new Coordinates3D(x, y, z), biome.SurfaceBlock);
else
{
if (y > surfaceHeight - biome.FillerDepth)
chunk.SetBlockID(new Coordinates3D(x, y, z), biome.FillerBlock);
else
chunk.SetBlockID(new Coordinates3D(x, y, z), StoneBlock.BlockID);
}
}
}
}
}
}
foreach (var decorator in ChunkDecorators)
decorator.Decorate(world, chunk, Biomes);
chunk.TerrainPopulated = true;
return chunk;
}
internal void SetChunk(Coordinates2D coordinates, Chunk chunk)
{
World.SetChunk(coordinates, chunk);
}
public void Deserialize(NbtTag value)
{
var chunk = new Chunk();
var tag = (NbtCompound)value;
Biomes = chunk.Biomes;
HeightMap = chunk.HeightMap;
LastUpdate = chunk.LastUpdate;
TerrainPopulated = chunk.TerrainPopulated;
X = tag["X"].IntValue;
Z = tag["Z"].IntValue;
Blocks = tag["Blocks"].ByteArrayValue;
Metadata = new NibbleArray();
Metadata.Data = tag["Data"].ByteArrayValue;
BlockLight = new NibbleArray();
BlockLight.Data = tag["BlockLight"].ByteArrayValue;
SkyLight = new NibbleArray();
SkyLight.Data = tag["SkyLight"].ByteArrayValue;
if (tag.Contains("TileEntities"))
{
foreach (var entity in tag["TileEntities"] as NbtList)
{
TileEntities[new Coordinates3D(entity["coordinates"][0].IntValue,
entity["coordinates"][1].IntValue,
entity["coordinates"][2].IntValue)] = entity["value"][0] as NbtCompound;
}
}
// TODO: Entities
}
public void SetUp()
{
var file = new NbtFile("Files/TestChunk.nbt");
Chunk = Chunk.FromNbt(file);
}
public void SetUp()
{
var assemblyDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var file = new NbtFile(Path.Combine(assemblyDir, "Files", "TestChunk.nbt"));
Chunk = Chunk.FromNbt(file);
}
