public Region(TerrainGenerator generator, UInt64 id)
{
myOrigin = ChunkKey.createWorldLocationFromKey(id);
myGenerator = generator;
myId = id;
Info.print("Creating region {0}", id);
}
public Chunk buildChunk(UInt64 key)
{
Vector3 pos = ChunkKey.createWorldLocationFromKey(key);
UInt64 id = regionId(pos);
// Region region;
// if (myRegionGenerators.TryGetValue(id, out region) == false)
// {
// region = new Region(this, myTerrainModules, id);
// region.world = myWorld;
// myRegionGenerators.Add(id, region);
// }
//
// Chunk chunk = region.buildChunk(key);
// return chunk;
return(null);
}
public Chunk buildChunk(UInt64 key)
{
Vector3 pos = ChunkKey.createWorldLocationFromKey(key);
UInt64 id = regionId(pos);
Region region;
if (myRegionGenerators.TryGetValue(id, out region) == false)
{
region = new Region(this, id);
region.init(myTerrainConfig["terrain"]);
region.world = myWorld;
myRegionGenerators.Add(id, region);
}
Chunk chunk = region.buildChunk(key);
return(chunk);
}
public Chunk buildChunk(UInt64 key)
{
Vector3 position = ChunkKey.createWorldLocationFromKey(key);
UInt32 air = 0;
UInt32[] mats = new UInt32[12]
{
Hash.hash("snow"), //Ice 0
Hash.hash("gravel"), //Tundra 1
Hash.hash("sand"), //Desert 2
Hash.hash("grass"), //Grassland 3
Hash.hash("dirt"), //Savanna 4
Hash.hash("log_spruce"), //TemperateSeasonalForest 5
Hash.hash("log_oak"), //TropicalSeasonalForest 6
Hash.hash("marble"), //Taiga 7
Hash.hash("finished_oak"), //TemperateRainforest 8
Hash.hash("finished_birch"), //TropicalRainforest 9
Hash.hash("sandstone"), //ShallowOcean 10
Hash.hash("bedrock") //DeepOcean 11
};
UInt32 water = Hash.hash("water");
//how big a chunk are we taking
int count = WorldParameters.theNodeCount;
float stepSize = WorldParameters.theChunkSize / count; //with a count of 32 and the default cube of 102.4m this is a stepsize of 3.2m
bool hasSolid = false;
bool hasAir = false;
float px = position.X / WorldParameters.theWorldSize;
float pz = position.Z / WorldParameters.theWorldSize;
float elevation = mySampler.get(px, pz, 0) * WorldParameters.theMaxElevation;
float biomeFloat = mySampler.get(px, pz, 3);
UInt32 biome = BitConverter.ToUInt32(BitConverter.GetBytes(biomeFloat), 0);
biome = biome & 0xf;
//generate point cloud
UInt32[, ,] pc = new UInt32[count, count, count];
for (int x = 0; x < count; x++)
{
for (int z = 0; z < count; z++)
{
for (int y = 0; y < count; y++)
{
double ny = position.Y + (y * stepSize);
if (ny < elevation) //underground
{
hasSolid = true;
pc[x, y, z] = mats[biome];
}
else
{
if (ny < (waterLevel * WorldParameters.theMaxElevation))
{
pc[x, y, z] = water;
hasSolid = true;
}
else
{
pc[x, y, z] = air;
hasAir = true;
}
}
}
}
}
Chunk chunk = new Chunk(position);
chunk.world = world;
if (hasSolid == false && hasAir == true)
{
chunk.myRoot.materialId = air;
}
else
{
chunk.fromPointCloud(pc);
}
Info.print("Built chunk {0}", chunk.chunkKey.myKey);
return(chunk);
}
