private void OnChunkColumnGeneration(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null)
{
rnd.InitPositionSeed(chunkX, chunkZ);
IntDataMap2D forestMap = chunks[0].MapChunk.MapRegion.ForestMap;
IntDataMap2D climateMap = chunks[0].MapChunk.MapRegion.ClimateMap;
IntDataMap2D beachMap = chunks[0].MapChunk.MapRegion.BeachMap;
ushort[] heightMap = chunks[0].MapChunk.RainHeightMap;
int regionChunkSize = api.WorldManager.RegionSize / chunksize;
int rdx = chunkX % regionChunkSize;
int rdz = chunkZ % regionChunkSize;
// Amount of data points per chunk
float climateStep = (float)climateMap.InnerSize / regionChunkSize;
float forestStep = (float)forestMap.InnerSize / regionChunkSize;
float beachStep = (float)beachMap.InnerSize / regionChunkSize;
// Retrieves the map data on the chunk edges
int forestUpLeft = forestMap.GetUnpaddedInt((int)(rdx * forestStep), (int)(rdz * forestStep));
int forestUpRight = forestMap.GetUnpaddedInt((int)(rdx * forestStep + forestStep), (int)(rdz * forestStep));
int forestBotLeft = forestMap.GetUnpaddedInt((int)(rdx * forestStep), (int)(rdz * forestStep + forestStep));
int forestBotRight = forestMap.GetUnpaddedInt((int)(rdx * forestStep + forestStep), (int)(rdz * forestStep + forestStep));
int beachUpLeft = beachMap.GetUnpaddedInt((int)(rdx * beachStep), (int)(rdz * beachStep));
int beachUpRight = beachMap.GetUnpaddedInt((int)(rdx * beachStep + beachStep), (int)(rdz * beachStep));
int beachBotLeft = beachMap.GetUnpaddedInt((int)(rdx * beachStep), (int)(rdz * beachStep + beachStep));
int beachBotRight = beachMap.GetUnpaddedInt((int)(rdx * beachStep + beachStep), (int)(rdz * beachStep + beachStep));
// increasing x -> left to right
// increasing z -> top to bottom
float transitionSize = blockLayerConfig.blockLayerTransitionSize;
for (int x = 0; x < chunksize; x++)
{
for (int z = 0; z < chunksize; z++)
{
// Some weird randomnes stuff to hide fundamental bugs in the climate transition system :D T_T (maybe not bugs but just fundamental shortcomings of using lerp on a very low resolution map)
float distx = (float)distort2dx.Noise(chunkX * chunksize + x, chunkZ * chunksize + z);
float distz = (float)distort2dz.Noise(chunkX * chunksize + x, chunkZ * chunksize + z);
double posRand = (double)GameMath.MurmurHash3(x + chunkX * chunksize, 1, z + chunkZ * chunksize) / int.MaxValue;
double transitionRand = (posRand + 1) * transitionSize;
int posY = heightMap[z * chunksize + x];
int climate = climateMap.GetUnpaddedColorLerped(
rdx * climateStep + climateStep * (float)(x + distx) / chunksize,
rdz * climateStep + climateStep * (float)(z + distz) / chunksize
);
int tempUnscaled = (climate >> 16) & 0xff;
int rnd = (int)(distx / 5);
float temp = TerraGenConfig.GetScaledAdjustedTemperatureFloat(tempUnscaled, posY - TerraGenConfig.seaLevel + rnd);
float tempRel = TerraGenConfig.GetAdjustedTemperature(tempUnscaled, posY - TerraGenConfig.seaLevel + rnd) / 255f;
float rainRel = TerraGenConfig.GetRainFall((climate >> 8) & 0xff, posY + rnd) / 255f;
float forestRel = GameMath.BiLerp(forestUpLeft, forestUpRight, forestBotLeft, forestBotRight, (float)x / chunksize, (float)z / chunksize) / 255f;
float beachRel = GameMath.BiLerp(beachUpLeft, beachUpRight, beachBotLeft, beachBotRight, (float)x / chunksize, (float)z / chunksize) / 255f;
int prevY = posY;
posY = PutLayers(transitionRand, x, posY, z, chunks, rainRel, temp, tempUnscaled, heightMap);
int blockID = chunks[0].MapChunk.TopRockIdMap[z * chunksize + x];
GenBeach(x, prevY, z, chunks, rainRel, temp, beachRel, blockID);
PlaceTallGrass(x, prevY, z, chunks, rainRel, tempRel, temp, forestRel);
// Try again to put layers if above sealevel and we found over 10 air blocks
int foundAir = 0;
while (posY >= TerraGenConfig.seaLevel - 1)
{
int chunkY = posY / chunksize;
int lY = posY % chunksize;
int index3d = (chunksize * lY + z) * chunksize + x;
int blockId = chunks[chunkY].Blocks[index3d];
if (blockId == 0)
{
foundAir++;
}
else
{
if (foundAir >= 8)
{
//temp = TerraGenConfig.GetScaledAdjustedTemperatureFloat(tempUnscaled, posY - TerraGenConfig.seaLevel);
//rainRel = TerraGenConfig.GetRainFall((climate >> 8) & 0xff, posY) / 255f;
//PutLayers(transitionRand, x, posY, z, chunks, rainRel, temp, tempUnscaled, null);
break;
}
else
{
foundAir = 0;
}
}
posY--;
}
}
}
}
public virtual int[] GenLayerDiffuse(int xCoord, int zCoord, int smallSize, int largeSize, int flags, int diffusionSize, int blurSize, int maxTries = 8, int padding = 2)
{
ServerGL.xCoord = xCoord;
ServerGL.yCoord = zCoord;
int step = largeSize / smallSize / 2;
int paddedSize = largeSize + (padding * 2 * step);
int[] largeData = new int[largeSize * largeSize];
int[] paddedData = GenLayerSized(xCoord - (padding * step), zCoord - (padding * step), smallSize, paddedSize, flags);
int[] diffusedData = (int[])paddedData.Clone();
//diffusion
if (diffusionSize > 0)
{
for (int z = 0; z < paddedSize; ++z)
{
for (int x = 0; x < paddedSize; ++x)
{
int sample = 0;
for (int i = 0; sample == 0 && i < maxTries; i++)
{
int rz = GameMath.oaatHash(x, i + 0, z) % diffusionSize;
int rx = GameMath.oaatHash(x, i + 0, z) % diffusionSize;
rz -= diffusionSize / 2;
rx -= diffusionSize / 2;
rz += z;
rx += x;
rz = GameMath.Clamp(rz, 0, paddedSize - 1);
rx = GameMath.Clamp(rx, 0, paddedSize - 1);
sample = paddedData[rz * paddedSize + rx];
}
diffusedData[z * paddedSize + x] = sample;
}
}
}
//blur
if (blurSize > 0)
{
BoxBlur(diffusedData, blurSize, paddedSize, paddedSize);
}
//crop
IntDataMap2D data = new IntDataMap2D()
{
BottomRightPadding = padding * 2 * step,
TopLeftPadding = padding * 2 * step,
Data = diffusedData,
Size = paddedSize
};
for (int z = 0; z < largeSize; ++z)
{
for (int x = 0; x < largeSize; ++x)
{
largeData[z * largeSize + x] = data.GetUnpaddedInt(x, z);
}
}
return(largeData);
}
private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null)
{
rand.InitPositionSeed(chunkX, chunkZ);
ushort[] heightmap = chunks[0].MapChunk.RainHeightMap;
IntDataMap2D climateMap = chunks[0].MapChunk.MapRegion.ClimateMap;
int regionChunkSize = api.WorldManager.RegionSize / chunksize;
float fac = (float)climateMap.InnerSize / regionChunkSize;
int rlX = chunkX % regionChunkSize;
int rlZ = chunkZ % regionChunkSize;
climateUpLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac));
climateUpRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac));
climateBotLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac + fac));
climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac + fac));
int climateMid = GameMath.BiLerpRgbColor(0.5f, 0.5f, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
// 16-23 bits = Red = temperature
// 8-15 bits = Green = rain
// 0-7 bits = Blue = humidity
int rain = (climateMid >> 8) & 0xff;
int humidity = climateMid & 0xff;
int temp = (climateMid >> 16) & 0xff;
// Lake density at chunk center
float pondDensity = 4 * (rain + humidity) / 255f;
float sealeveltemp = TerraGenConfig.GetScaledAdjustedTemperatureFloat(temp, 0);
// Less lakes where its below -5 degrees
pondDensity -= Math.Max(0, 5 - sealeveltemp);
float maxTries = pondDensity * 10;
int dx, dz;
int baseX = chunkX * chunksize;
int baseZ = chunkZ * chunksize;
while (maxTries-- > 0)
{
if (maxTries < 1 && rand.NextDouble() > maxTries)
{
break;
}
dx = rand.NextInt(chunksize);
dz = rand.NextInt(chunksize);
pondYPos = heightmap[dz * chunksize + dx] + 1;
if (pondYPos <= 0 || pondYPos >= mapheight - 1)
{
return;
}
TryPlacePondAt(dx, pondYPos, dz, chunkX, chunkZ);
}
maxTries = 600;
while (maxTries-- > 0)
{
if (maxTries < 1 && rand.NextDouble() > maxTries)
{
break;
}
dx = rand.NextInt(chunksize);
dz = rand.NextInt(chunksize);
pondYPos = (int)(rand.NextDouble() * heightmap[dz * chunksize + dx]);
if (pondYPos <= 0 || pondYPos >= mapheight - 1)
{
return;
}
int chunkY = pondYPos / chunksize;
int dy = pondYPos % chunksize;
int blockID = chunks[chunkY].Blocks[(dy * chunksize + dz) * chunksize + dx];
while (blockID == 0 && pondYPos > 20)
{
pondYPos--;
chunkY = pondYPos / chunksize;
dy = pondYPos % chunksize;
blockID = chunks[chunkY].Blocks[(dy * chunksize + dz) * chunksize + dx];
if (blockID != 0)
{
//blockAccessor.SetBlock(63, new BlockPos(dx + baseX, pondYPos, dz + baseZ));
TryPlacePondAt(dx, pondYPos, dz, chunkX, chunkZ);
}
}
}
}
public void TryPlacePondAt(int dx, int pondYPos, int dz, int chunkX, int chunkZ, int depth = 0)
{
searchPositionsDeltas.Clear();
pondPositions.Clear();
// Clear Array
for (int i = 0; i < didCheckPosition.Length; i++)
{
didCheckPosition[i] = false;
}
int basePosX = chunkX * chunksize;
int basePosZ = chunkZ * chunksize;
Vec2i tmp = new Vec2i();
searchPositionsDeltas.Enqueue(new Vec2i(dx, dz));
pondPositions.Enqueue(new Vec2i(basePosX + dx, basePosZ + dz));
didCheckPosition[(dz + mapOffset) * searchSize + dx + mapOffset] = true;
while (searchPositionsDeltas.Count > 0)
{
Vec2i p = searchPositionsDeltas.Dequeue();
foreach (BlockFacing facing in BlockFacing.HORIZONTALS)
{
ndx = p.X + facing.Normali.X;
ndz = p.Y + facing.Normali.Z;
tmp.Set(chunkX * chunksize + ndx, chunkZ * chunksize + ndz);
Block belowBlock = blockAccessor.GetBlock(tmp.X, pondYPos - 1, tmp.Y);
bool inBoundary = ndx > minBoundary && ndz > minBoundary && ndx < maxBoundary && ndz < maxBoundary;
// Only continue when within our 3x3 chunk search area and having a more or less solid block below (or water)
if (inBoundary && (belowBlock.Replaceable < 6000 || belowBlock.BlockId == GlobalConfig.waterBlockId))
{
int arrayIndex = (ndz + mapOffset) * searchSize + ndx + mapOffset;
// Already checked or did we reach a pond border?
if (!didCheckPosition[arrayIndex] && blockAccessor.GetBlock(tmp.X, pondYPos, tmp.Y).Replaceable >= 6000)
{
searchPositionsDeltas.Enqueue(new Vec2i(ndx, ndz));
pondPositions.Enqueue(tmp.Copy());
didCheckPosition[arrayIndex] = true;
}
}
else
{
pondPositions.Clear();
searchPositionsDeltas.Clear();
return;
}
}
}
if (pondPositions.Count == 0)
{
return;
}
int curChunkX, curChunkZ;
int prevChunkX = -1, prevChunkZ = -1;
int regionChunkSize = api.WorldManager.RegionSize / chunksize;
IMapChunk mapchunk = null;
IServerChunk chunk = null;
IServerChunk chunkOneBlockBelow = null;
int ly = GameMath.Mod(pondYPos, chunksize);
bool extraPondDepth = rand.NextDouble() > 0.5;
bool withSeabed = extraPondDepth || pondPositions.Count > 16;
foreach (Vec2i p in pondPositions)
{
curChunkX = p.X / chunksize;
curChunkZ = p.Y / chunksize;
int lx = GameMath.Mod(p.X, chunksize);
int lz = GameMath.Mod(p.Y, chunksize);
// Get correct chunk and correct climate data if we don't have it already
if (curChunkX != prevChunkX || curChunkZ != prevChunkZ)
{
chunk = (IServerChunk)blockAccessor.GetChunk(curChunkX, pondYPos / chunksize, curChunkZ);
if (chunk == null)
{
chunk = api.WorldManager.GetChunk(curChunkX, pondYPos / chunksize, curChunkZ);
}
chunk.Unpack();
if (ly == 0)
{
chunkOneBlockBelow = ((IServerChunk)blockAccessor.GetChunk(curChunkX, (pondYPos - 1) / chunksize, curChunkZ));
if (chunkOneBlockBelow == null)
{
return;
}
chunkOneBlockBelow.Unpack();
}
else
{
chunkOneBlockBelow = chunk;
}
mapchunk = chunk.MapChunk;
IntDataMap2D climateMap = mapchunk.MapRegion.ClimateMap;
float fac = (float)climateMap.InnerSize / regionChunkSize;
int rlX = curChunkX % regionChunkSize;
int rlZ = curChunkZ % regionChunkSize;
climateUpLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac));
climateUpRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac));
climateBotLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac + fac));
climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac + fac));
prevChunkX = curChunkX;
prevChunkZ = curChunkZ;
chunkOneBlockBelow.MarkModified();
chunk.MarkModified();
}
// Raise heightmap by 1
mapchunk.RainHeightMap[lz * chunksize + lx] = Math.Max(mapchunk.RainHeightMap[lz * chunksize + lx], (ushort)pondYPos);
// Identify correct climate at this position
int climate = GameMath.BiLerpRgbColor((float)lx / chunksize, (float)lz / chunksize, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
float temp = TerraGenConfig.GetScaledAdjustedTemperatureFloat((climate >> 16) & 0xff, pondYPos - TerraGenConfig.seaLevel);
// 1. Place water or ice block
chunk.Blocks[(ly * chunksize + lz) * chunksize + lx] = temp < -5 ? GlobalConfig.lakeIceBlockId : GlobalConfig.waterBlockId;
// 2. Let's make a nice muddy gravely sea bed
if (!withSeabed)
{
continue;
}
// Need to check the block below first
int index = ly == 0 ?
((31 * chunksize + lz) * chunksize + lx) :
(((ly - 1) * chunksize + lz) * chunksize + lx)
;
Block belowBlock = api.World.Blocks[chunkOneBlockBelow.Blocks[index]];
// Water below? Seabed already placed
if (belowBlock.IsLiquid())
{
continue;
}
float rainRel = TerraGenConfig.GetRainFall((climate >> 8) & 0xff, pondYPos) / 255f;
int rockBlockId = mapchunk.TopRockIdMap[lz * chunksize + lx];
if (rockBlockId == 0)
{
continue;
}
for (int i = 0; i < lakebedLayerConfig.BlockCodeByMin.Length; i++)
{
if (lakebedLayerConfig.BlockCodeByMin[i].Suitable(temp, rainRel, (float)pondYPos / mapheight, rand))
{
chunkOneBlockBelow.Blocks[index] = lakebedLayerConfig.BlockCodeByMin[i].GetBlockForMotherRock(rockBlockId);
break;
}
}
}
if (pondPositions.Count > 0 && extraPondDepth)
{
TryPlacePondAt(dx, pondYPos + 1, dz, chunkX, chunkZ, depth + 1);
}
}
private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null)
{
landforms = NoiseLandforms.landforms;
IMapChunk mapchunk = chunks[0].MapChunk;
int climateUpLeft;
int climateUpRight;
int climateBotLeft;
int climateBotRight;
IntDataMap2D climateMap = chunks[0].MapChunk.MapRegion.ClimateMap;
int regionChunkSize = api.WorldManager.RegionSize / chunksize;
float fac = (float)climateMap.InnerSize / regionChunkSize;
int rlX = chunkX % regionChunkSize;
int rlZ = chunkZ % regionChunkSize;
climateUpLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac));
climateUpRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac));
climateBotLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac + fac));
climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac + fac));
int freezingTemp = -17;
IntDataMap2D landformMap = mapchunk.MapRegion.LandformMap;
// Amount of pixels for each chunk (probably 1, 2, or 4) in the land form map
float chunkPixelSize = landformMap.InnerSize / regionChunkSize;
// Adjusted lerp for the noiseWidth
float chunkPixelStep = chunkPixelSize / noiseWidth;
// Start coordinates for the chunk in the region map
float baseX = (chunkX % regionChunkSize) * chunkPixelSize;
float baseZ = (chunkZ % regionChunkSize) * chunkPixelSize;
LerpedWeightedIndex2DMap landLerpMap = GetOrLoadLerpedLandformMap(chunks[0].MapChunk, chunkX / regionChunkSize, chunkZ / regionChunkSize);
// Terrain octaves
double[] octNoiseX0, octNoiseX1, octNoiseX2, octNoiseX3;
double[] octThX0, octThX1, octThX2, octThX3;
// So it seems we have some kind of off-by-one error here?
// When the slope of a mountain goes up (in positive z or x direction), particularly at large word heights (512+)
// then the last blocks (again in postive x/z dir) are below of where they should be?
// I have no idea why, but this offset seems to greatly mitigate the issue
float weirdOffset = 0.25f;
chunkPixelSize += weirdOffset;
GetInterpolatedOctaves(landLerpMap[baseX, baseZ], out octNoiseX0, out octThX0);
GetInterpolatedOctaves(landLerpMap[baseX + chunkPixelSize, baseZ], out octNoiseX1, out octThX1);
GetInterpolatedOctaves(landLerpMap[baseX, baseZ + chunkPixelSize], out octNoiseX2, out octThX2);
GetInterpolatedOctaves(landLerpMap[baseX + chunkPixelSize, baseZ + chunkPixelSize], out octNoiseX3, out octThX3);
double[] terrainNoise3d = GetTerrainNoise3D(octNoiseX0, octNoiseX1, octNoiseX2, octNoiseX3, octThX0, octThX1, octThX2, octThX3, chunkX * noiseWidth, 0, chunkZ * noiseWidth);
// Store heightmap in the map chunk
ushort[] rainheightmap = chunks[0].MapChunk.RainHeightMap;
ushort[] terrainheightmap = chunks[0].MapChunk.WorldGenTerrainHeightMap;
// Terrain thresholds
double tnoiseY0;
double tnoiseY1;
double tnoiseY2;
double tnoiseY3;
double tnoiseGainY0;
double tnoiseGainY1;
double tnoiseGainY2;
double tnoiseGainY3;
double thNoiseX0;
double thNoiseX1;
double thNoiseGainX0;
double thNoiseGainX1;
double thNoiseGainZ0;
double thNoiseZ0;
float[] terrainThresholdsX0 = new float[api.WorldManager.MapSizeY];
float[] terrainThresholdsX1 = new float[api.WorldManager.MapSizeY];
float[] terrainThresholdsX2 = new float[api.WorldManager.MapSizeY];
float[] terrainThresholdsX3 = new float[api.WorldManager.MapSizeY];
for (int xN = 0; xN < noiseWidth; xN++)
{
for (int zN = 0; zN < noiseWidth; zN++)
{
// Landform thresholds
LoadInterpolatedThresholds(landLerpMap[baseX + xN * chunkPixelStep, baseZ + zN * chunkPixelStep], terrainThresholdsX0);
LoadInterpolatedThresholds(landLerpMap[baseX + (xN + 1) * chunkPixelStep, baseZ + zN * chunkPixelStep], terrainThresholdsX1);
LoadInterpolatedThresholds(landLerpMap[baseX + xN * chunkPixelStep, baseZ + (zN + 1) * chunkPixelStep], terrainThresholdsX2);
LoadInterpolatedThresholds(landLerpMap[baseX + (xN + 1) * chunkPixelStep, baseZ + (zN + 1) * chunkPixelStep], terrainThresholdsX3);
for (int yN = 0; yN < noiseHeight; yN++)
{
// Terrain noise
tnoiseY0 = terrainNoise3d[NoiseIndex3d(xN, yN, zN)];
tnoiseY1 = terrainNoise3d[NoiseIndex3d(xN, yN, zN + 1)];
tnoiseY2 = terrainNoise3d[NoiseIndex3d(xN + 1, yN, zN)];
tnoiseY3 = terrainNoise3d[NoiseIndex3d(xN + 1, yN, zN + 1)];
tnoiseGainY0 = (terrainNoise3d[NoiseIndex3d(xN, yN + 1, zN)] - tnoiseY0) * lerpDeltaVert;
tnoiseGainY1 = (terrainNoise3d[NoiseIndex3d(xN, yN + 1, zN + 1)] - tnoiseY1) * lerpDeltaVert;
tnoiseGainY2 = (terrainNoise3d[NoiseIndex3d(xN + 1, yN + 1, zN)] - tnoiseY2) * lerpDeltaVert;
tnoiseGainY3 = (terrainNoise3d[NoiseIndex3d(xN + 1, yN + 1, zN + 1)] - tnoiseY3) * lerpDeltaVert;
for (int y = 0; y < lerpVer; y++)
{
int posY = yN * lerpVer + y;
int chunkY = posY / chunksize;
int localY = posY % chunksize;
// For Terrain noise
double tnoiseX0 = tnoiseY0;
double tnoiseX1 = tnoiseY1;
double tnoiseGainX0 = (tnoiseY2 - tnoiseY0) * lerpDeltaHor;
double tnoiseGainX1 = (tnoiseY3 - tnoiseY1) * lerpDeltaHor;
// Landform thresholds lerp
thNoiseX0 = terrainThresholdsX0[posY];
thNoiseX1 = terrainThresholdsX2[posY];
thNoiseGainX0 = (terrainThresholdsX1[posY] - thNoiseX0) * lerpDeltaHor;
thNoiseGainX1 = (terrainThresholdsX3[posY] - thNoiseX1) * lerpDeltaHor;
for (int x = 0; x < lerpHor; x++)
{
// For terrain noise
double tnoiseZ0 = tnoiseX0;
double tnoiseGainZ0 = (tnoiseX1 - tnoiseX0) * lerpDeltaHor;
// Landform
thNoiseZ0 = thNoiseX0;
thNoiseGainZ0 = (thNoiseX1 - thNoiseX0) * lerpDeltaHor;
for (int z = 0; z < lerpHor; z++)
{
int lX = xN * lerpHor + x;
int lZ = zN * lerpHor + z;
int mapIndex = ChunkIndex2d(lX, lZ);
int chunkIndex = ChunkIndex3d(lX, localY, lZ);
chunks[chunkY].Blocks[chunkIndex] = 0;
if (posY == 0)
{
chunks[chunkY].Blocks[chunkIndex] = GlobalConfig.mantleBlockId;
continue;
}
if (tnoiseZ0 > thNoiseZ0)
{
terrainheightmap[mapIndex] = rainheightmap[mapIndex] = (ushort)Math.Max(rainheightmap[mapIndex], posY);
chunks[chunkY].Blocks[chunkIndex] = GlobalConfig.defaultRockId;
}
else
{
if (posY < TerraGenConfig.seaLevel)
{
terrainheightmap[mapIndex] = rainheightmap[mapIndex] = (ushort)Math.Max(rainheightmap[mapIndex], posY);
if (posY == TerraGenConfig.seaLevel - 1)
{
int temp = (GameMath.BiLerpRgbColor(((float)lX) / chunksize, ((float)lZ) / chunksize, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight) >> 16) & 0xff;
float distort = (float)distort2dx.Noise(chunkX * chunksize + lX, chunkZ * chunksize + lZ) / 20f;
float tempf = TerraGenConfig.GetScaledAdjustedTemperatureFloat(temp, 0) + distort;
chunks[chunkY].Blocks[chunkIndex] = (tempf < freezingTemp) ? GlobalConfig.lakeIceBlockId : GlobalConfig.waterBlockId;
}
else
{
chunks[chunkY].Blocks[chunkIndex] = GlobalConfig.waterBlockId;
}
}
else
{
chunks[chunkY].Blocks[chunkIndex] = 0;
}
}
tnoiseZ0 += tnoiseGainZ0;
thNoiseZ0 += thNoiseGainZ0;
}
tnoiseX0 += tnoiseGainX0;
tnoiseX1 += tnoiseGainX1;
thNoiseX0 += thNoiseGainX0;
thNoiseX1 += thNoiseGainX1;
}
tnoiseY0 += tnoiseGainY0;
tnoiseY1 += tnoiseGainY1;
tnoiseY2 += tnoiseGainY2;
tnoiseY3 += tnoiseGainY3;
}
}
}
}
ushort ymax = 0;
for (int i = 0; i < rainheightmap.Length; i++)
{
ymax = Math.Max(ymax, rainheightmap[i]);
}
chunks[0].MapChunk.YMax = ymax;
}
private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null)
{
IntDataMap2D climateMap = chunks[0].MapChunk.MapRegion.ClimateMap;
int regionChunkSize = api.WorldManager.RegionSize / chunksize;
float fac = (float)climateMap.InnerSize / regionChunkSize;
int rlX = chunkX % regionChunkSize;
int rlZ = chunkZ % regionChunkSize;
int climateUpLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac));
int climateUpRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac));
int climateBotLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac + fac));
int climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac + fac));
int climateMid = GameMath.BiLerpRgbColor(0.5f, 0.5f, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
// 16-23 bits = Red = temperature
// 8-15 bits = Green = rain
// 0-7 bits = Blue = humidity
int rain = (climateMid >> 8) & 0xff;
int humidity = climateMid & 0xff;
int temp = (climateMid >> 16) & 0xff;
int quantityRivulets = (int)(80 * (rain + humidity) / 255f) * (api.WorldManager.MapSizeY / chunksize) - Math.Max(0, 100 - temp);
int fx, fy, fz;
float sealeveltemp = TerraGenConfig.GetScaledAdjustedTemperatureFloat(temp, 0);
if (sealeveltemp < -15)
{
return;
}
while (quantityRivulets-- > 0)
{
int dx = 1 + rnd.Next(chunksize - 2);
int y = 1 + rnd.Next(api.WorldManager.MapSizeY - 2);
int dz = 1 + rnd.Next(chunksize - 2);
int quantitySolid = 0;
int quantityAir = 0;
for (int i = 0; i < BlockFacing.NumberOfFaces; i++)
{
BlockFacing facing = BlockFacing.ALLFACES[i];
fx = dx + facing.Normali.X;
fy = y + facing.Normali.Y;
fz = dz + facing.Normali.Z;
Block block = api.World.Blocks[
chunks[fy / chunksize].Blocks[(chunksize * (fy % chunksize) + fz) * chunksize + fx]
];
bool solid = block.BlockMaterial == EnumBlockMaterial.Stone;
quantitySolid += solid ? 1 : 0;
quantityAir += (block.BlockMaterial == EnumBlockMaterial.Air) ? 1 : 0;
if (!solid && facing == BlockFacing.UP)
{
quantitySolid = 0;
}
}
if (quantitySolid != 5 || quantityAir != 1)
{
continue;
}
chunks[y / chunksize].Blocks[(chunksize * (y % chunksize) + dz) * chunksize + dx] = y < 24 ? GlobalConfig.lavaBlockId : GlobalConfig.waterBlockId;
BlockPos pos = new BlockPos(chunkX * chunksize + dx, y, chunkZ * chunksize + dz);
blockAccessor.ScheduleBlockUpdate(pos);
}
}