public NodeLocation(ChunkKey chunk, NodeKey key)
{
myChunk = chunk;
myNode = key;
updateInternalValues();
}
public void tick()
{
while (myShouldQuit == false)
{
UInt64 key;
while (myRequestedLocations.Count > 0)
{
lock (myRequestedLocations)
{
key = myRequestedLocations.Dequeue();
}
Chunk c = buildChunk(key);
myGeneratedChunks.Enqueue(c);
}
//forcing a rebuild of a known chunk
while (myForcedRebuild.Count > 0)
{
UInt64 kkey;
myForcedRebuild.TryTake(out kkey);
ChunkKey ck = new ChunkKey(kkey);
Chunk c = buildChunk(kkey);
c.changeNumber++; //since this is a new one
myGeneratedChunks.Enqueue(c);
}
Thread.Sleep(10);
}
}
public Region(TerrainGenerator generator, UInt64 id)
{
myOrigin = ChunkKey.createWorldLocationFromKey(id);
myGenerator = generator;
myId = id;
Info.print("Creating region {0}", id);
}
public NodeLocation(UInt32 x, UInt32 y, UInt32 z, int depth)
{
nx = x;
ny = y;
nz = z;
UInt32 lx, ly, lz;
UInt64 cx, cy, cz;
//get the bottom 10 bits for the local node location (within a chunk)
lx = nx & 0x3ff;
ly = ny & 0x3ff;
lz = nz & 0x3ff;
myNode = NodeKey.combineCode(lx, ly, lz, depth);
//this is the chunk biased number
//get the top 21 bits
cx = (nx >> 10) & 0x1fffff;
cy = (ny >> 10) & 0x1fffff;
cz = (nz >> 10) & 0x1fffff;
UInt64 chunkKey = (cx << 42) + (cy << 21) + cz;
myChunk = new ChunkKey(chunkKey);
}
public void buildRequestedChunkList()
{
myRequestedChunks.Clear();
//determine all the chunks that should be in memory
for (int x = -loadedSize; x <= loadedSize; x++)
{
for (int y = -2; y < elevation; y++)
{
for (int z = -loadedSize; z <= loadedSize; z++)
{
Vector3i temp = interestChunk;
temp.X += x;
temp.Y = y;
temp.Z += z;
UInt64 key = ChunkKey.createKey(temp);
myRequestedChunks.Add(key);
}
}
}
UInt64 interestKey = ChunkKey.createKey(interestChunk);
myRequestedChunks.Sort((x, y) => (x - interestKey).CompareTo(y - interestKey));
}
public void regenCurrentChunk()
{
ChunkKey ck = new ChunkKey(myPager.interestPoint);
myChunks.Remove(ck.myKey);
myTerrainSource.forceRebuild(ck.myKey);
}
public UInt64 regionId(Vector3 pos)
{
Vector3 ret = new Vector3();
ret.X = (float)Math.Floor(pos.X / WorldParameters.theWorldSize);
ret.Y = 0;// (float)Math.Floor(pos.Y / WorldParameters.theWorldSize);
ret.Z = (float)Math.Floor(pos.Z / WorldParameters.theWorldSize);
return(ChunkKey.createKeyFromWorldLocation(ret));
}
public Chunk findChunk(ChunkKey chunkKey)
{
Chunk chunk = null;
if (myChunks.TryGetValue(chunkKey.myKey, out chunk) == true)
{
//Warn.print("Cannot find chunk");
}
return(chunk);
}
public Node findNode(Vector3 worldLocation)
{
UInt64 key = ChunkKey.createKeyFromWorldLocation(worldLocation);
Chunk chunk;
if (myChunks.TryGetValue(key, out chunk) == false)
{
return(null);
}
return(chunk.findNodeContaining(worldLocation));
}
public static Chunk chunkIntersecting(World world, Vector3 point)
{
UInt64 key = ChunkKey.createKeyFromWorldLocation(point);
Chunk chunk = null;
if (world.chunks.TryGetValue(key, out chunk) == true)
{
return(chunk);
}
return(null);
}
public Chunk findOrCreateChunk(ChunkKey chunkKey)
{
Chunk chunk = findChunk(chunkKey);
if (chunk == null)
{
chunk = new Chunk(chunkKey.myLocation);
addChunk(chunk);
myTerrainSource.chunkCache.updateChunk(chunk);
}
return(chunk);
}
public NodeLocation(Vector3 worldLoc, int depth)
{
myChunk = new ChunkKey(worldLoc);
Vector3 local = worldLoc - myChunk.myLocation;
UInt32 lx, ly, lz;
lx = (UInt32)(local.X * WorldParameters.theLeafRatio);
ly = (UInt32)(local.Y * WorldParameters.theLeafRatio);
lz = (UInt32)(local.Z * WorldParameters.theLeafRatio);
myNode = NodeKey.combineCode(lx, ly, lz, depth);
updateInternalValues();
}
public void setInterest(Vector3 loc)
{
interestPoint = loc;
Vector3i location = ChunkKey.createIdFromWorldLocation(loc);
if (location == interestChunk)
{
return;
}
interestChunk = location;
buildRequestedChunkList();
requestMissingChunks();
purgeExcessChunks();
}
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(Vector3 location)
{
myLocation = location;
myChunkKey = new ChunkKey(myLocation);
reset();
}
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);
}
public List <Chunk> findNeighbors(Chunk chunk, ChunkKey.Neighbor neighbors)
{
List <Chunk> ret = new List <Chunk>();
ChunkKey k = chunk.chunkKey;
if ((neighbors & ChunkKey.Neighbor.LEFT) == ChunkKey.Neighbor.LEFT)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.LEFT)));
}
if ((neighbors & ChunkKey.Neighbor.RIGHT) == ChunkKey.Neighbor.RIGHT)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.RIGHT)));
}
if ((neighbors & ChunkKey.Neighbor.BOTTOM) == ChunkKey.Neighbor.BOTTOM)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.BOTTOM)));
}
if ((neighbors & ChunkKey.Neighbor.TOP) == ChunkKey.Neighbor.TOP)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.TOP)));
}
if ((neighbors & ChunkKey.Neighbor.FRONT) == ChunkKey.Neighbor.FRONT)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.FRONT)));
}
if ((neighbors & ChunkKey.Neighbor.BACK) == ChunkKey.Neighbor.BACK)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.BACK)));
}
if ((neighbors & ChunkKey.Neighbor.LBF) == ChunkKey.Neighbor.LBF)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.LBF)));
}
if ((neighbors & ChunkKey.Neighbor.LB) == ChunkKey.Neighbor.LB)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.LB)));
}
if ((neighbors & ChunkKey.Neighbor.LBB) == ChunkKey.Neighbor.LBB)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.LBB)));
}
if ((neighbors & ChunkKey.Neighbor.BF) == ChunkKey.Neighbor.BF)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.BF)));
}
if ((neighbors & ChunkKey.Neighbor.BB) == ChunkKey.Neighbor.BB)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.BB)));
}
if ((neighbors & ChunkKey.Neighbor.RBF) == ChunkKey.Neighbor.RBF)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.RBF)));
}
if ((neighbors & ChunkKey.Neighbor.RB) == ChunkKey.Neighbor.RB)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.RB)));
}
if ((neighbors & ChunkKey.Neighbor.RBB) == ChunkKey.Neighbor.RBB)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.RBB)));
}
if ((neighbors & ChunkKey.Neighbor.LF) == ChunkKey.Neighbor.LF)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.LF)));
}
if ((neighbors & ChunkKey.Neighbor.BL) == ChunkKey.Neighbor.BL)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.BL)));
}
if ((neighbors & ChunkKey.Neighbor.RF) == ChunkKey.Neighbor.RF)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.RF)));
}
if ((neighbors & ChunkKey.Neighbor.BR) == ChunkKey.Neighbor.BR)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.BR)));
}
if ((neighbors & ChunkKey.Neighbor.LTF) == ChunkKey.Neighbor.LTF)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.LTF)));
}
if ((neighbors & ChunkKey.Neighbor.LT) == ChunkKey.Neighbor.LT)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.LT)));
}
if ((neighbors & ChunkKey.Neighbor.LTB) == ChunkKey.Neighbor.LTB)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.LTB)));
}
if ((neighbors & ChunkKey.Neighbor.TF) == ChunkKey.Neighbor.TF)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.TF)));
}
if ((neighbors & ChunkKey.Neighbor.TB) == ChunkKey.Neighbor.TB)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.TB)));
}
if ((neighbors & ChunkKey.Neighbor.RTF) == ChunkKey.Neighbor.RTF)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.RTF)));
}
if ((neighbors & ChunkKey.Neighbor.RT) == ChunkKey.Neighbor.RT)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.RT)));
}
if ((neighbors & ChunkKey.Neighbor.RTB) == ChunkKey.Neighbor.RTB)
{
ret.Add(findChunk(k.neighbor(ChunkKey.Neighbor.RTB)));
}
return(ret);
}