private void LoadBlockLayers(float rainRel, float temperature, int unscaledTemp, int posY, ushort firstBlockId)
{
float heightRel = ((float)posY - TerraGenConfig.seaLevel) / ((float)api.WorldManager.MapSizeY - TerraGenConfig.seaLevel);
float fertilityRel = TerraGenConfig.GetFertility2((int)(rainRel * 255), unscaledTemp, heightRel) / 255f;
//int ts = blockLayerConfig.blockLayerTransitionSize;
float depthf = TerraGenConfig.SoilThickness(rainRel, temperature, posY - TerraGenConfig.seaLevel, dummyRock);
int depth = (int)depthf;
depth += (int)((depthf - depth) * rnd.NextDouble());
BlockLayersIds.Clear();
for (int j = 0; j < blockLayerConfig.Blocklayers.Length; j++)
{
BlockLayer bl = blockLayerConfig.Blocklayers[j];
if (
temperature >= bl.MinTemp && temperature <= bl.MaxTemp &&
rainRel >= bl.MinRain && rainRel <= bl.MaxRain &&
fertilityRel >= bl.MinFertility && fertilityRel <= bl.MaxFertility &&
(float)posY / mapheight <= bl.MaxY
)
{
ushort blockId = bl.GetBlockId(temperature, rainRel, fertilityRel, firstBlockId);
if (blockId != 0)
{
BlockLayersIds.Add(blockId);
// Would be correct, but doesn't seem to cause noticable problems
// so lets not add it for faster chunk gen
/*posY--;
* temperature = TerraGenConfig.GetScaledAdjustedTemperatureFloat(unscaledTemp, posY - TerraGenConfig.seaLevel);
* rainRel = TerraGenConfig.GetRainFall(unscaledRain, posY) / 255f;
* heightRel = ((float)posY - TerraGenConfig.seaLevel) / ((float)api.WorldManager.MapSizeY - TerraGenConfig.seaLevel);
* fertilityRel = TerraGenConfig.GetFertility2((int)(rainRel * 255), unscaledTemp, heightRel) / 255f;*/
}
}
if (BlockLayersIds.Count >= depth)
{
break;
}
}
layersUnderWater = null;
for (int j = 0; j < blockLayerConfig.LakeBedLayer.BlockCodeByMin.Length; j++)
{
LakeBedBlockCodeByMin lbbc = blockLayerConfig.LakeBedLayer.BlockCodeByMin[j];
if (lbbc.Suitable(temperature, rainRel, (float)posY / api.WorldManager.MapSizeY, rnd))
{
layersUnderWater = new ushort[] { lbbc.GetBlockForMotherRock(firstBlockId) };
break;
}
}
if (layersUnderWater == null)
{
layersUnderWater = new ushort[0];
}
}
public override int[] GenLayer(int xCoord, int zCoord, int sizeX, int sizeZ)
{
int[] result = new int[sizeX * sizeZ];
for (int x = 0; x < sizeX; x++)
{
for (int z = 0; z < sizeZ; z++)
{
int offsetX = (int)(wobbleIntensity * noisegenX.Noise(xCoord + x, zCoord + z));
int offsetY = (int)(wobbleIntensity * noisegenY.Noise(xCoord + x, zCoord + z));
int finalX = (xCoord + x + offsetX);
int finalZ = (zCoord + z + offsetY);
int climate = climateNoise.GetLerpedClimateAt(finalX / TerraGenConfig.climateMapScale, finalZ / TerraGenConfig.climateMapScale);
int rain = (climate >> 8) & 0xff;
int temp = TerraGenConfig.GetScaledAdjustedTemperature((climate >> 16) & 0xff, 0);
result[z * sizeX + x] = noiseLandforms.GetLandformIndexAt(
finalX,
finalZ,
temp,
rain
);
}
}
return(result);
}
private Block GetBlockLayerBlock(int unscaledRain, int unscaledTemp, int posY, int firstBlockId, int forDepth, Block defaultBlock, IList <Block> blocks)
{
float temperature = TerraGenConfig.GetScaledAdjustedTemperatureFloat(unscaledTemp, posY - TerraGenConfig.seaLevel);
float rainRel = TerraGenConfig.GetRainFall(unscaledRain, posY) / 255f;
float heightRel = ((float)posY - TerraGenConfig.seaLevel) / ((float)mapheight - TerraGenConfig.seaLevel);
float fertilityRel = TerraGenConfig.GetFertilityFromUnscaledTemp((int)(rainRel * 255), unscaledTemp, heightRel) / 255f;
for (int j = forDepth; j < blockLayerConfig.Blocklayers.Length; j++)
{
BlockLayer bl = blockLayerConfig.Blocklayers[j];
if (
temperature >= bl.MinTemp && temperature <= bl.MaxTemp &&
rainRel >= bl.MinRain && rainRel <= bl.MaxRain &&
fertilityRel >= bl.MinFertility && fertilityRel <= bl.MaxFertility &&
(float)posY / mapheight <= bl.MaxY
)
{
int blockId = bl.GetBlockId(0.1, temperature, rainRel, fertilityRel, firstBlockId);
if (blockId != 0)
{
return(blocks[blockId]);
}
}
}
return(defaultBlock);
}
private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null)
{
IntMap climateMap = chunks[0].MapChunk.MapRegion.ClimateMap;
ushort[] heightMap = chunks[0].MapChunk.RainHeightMap;
int regionChunkSize = api.WorldManager.RegionSize / chunksize;
int rlX = chunkX % regionChunkSize;
int rlZ = chunkZ % regionChunkSize;
float facC = (float)climateMap.InnerSize / regionChunkSize;
int climateUpLeft = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC));
int climateUpRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC));
int climateBotLeft = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC + facC));
int climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC + facC));
for (int x = 0; x < chunksize; x++)
{
for (int z = 0; z < chunksize; z++)
{
int posY = heightMap[z * chunksize + x];
int climate = GameMath.BiLerpRgbColor((float)x / chunksize, (float)z / chunksize, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
float temp = TerraGenConfig.GetScaledAdjustedTemperatureFloat((climate >> 16) & 0xff, posY - TerraGenConfig.seaLevel);
int prevY = posY;
if (PlaceSnowLayer(x, prevY, z, chunks, temp))
{
heightMap[z * chunksize + x]++;
}
}
}
}
public virtual void GenDeposit(IServerChunk[] chunks, int chunkX, int chunkZ, BlockPos depoCenterPos, DepositVariant variant)
{
int lx = GameMath.Mod(depoCenterPos.X, chunksize);
int lz = GameMath.Mod(depoCenterPos.Z, chunksize);
// Check if suited for this area, climate wise
if (variant.Climate != null)
{
IMapChunk originMapchunk = api.WorldManager.GetMapChunk(depoCenterPos.X / chunksize, depoCenterPos.Z / chunksize);
if (originMapchunk == null)
{
return; // Definition: Climate dependent deposits are limited to size 32x32x32
}
depoCenterPos.Y = originMapchunk.RainHeightMap[lz * chunksize + lx];
IntDataMap2D climateMap = blockAccessor.GetMapRegion(depoCenterPos.X / regionSize, depoCenterPos.Z / regionSize).ClimateMap;
float posXInRegionClimate = ((float)lx / regionSize - (float)lx / regionSize) * noiseSizeClimate;
float posZInRegionClimate = ((float)lz / regionSize - (float)lz / regionSize) * noiseSizeClimate;
int climate = climateMap.GetUnpaddedColorLerped(posXInRegionClimate, posZInRegionClimate);
float temp = TerraGenConfig.GetScaledAdjustedTemperatureFloat((climate >> 16) & 0xff, depoCenterPos.Y - TerraGenConfig.seaLevel);
float rainRel = TerraGenConfig.GetRainFall((climate >> 8) & 0xff, depoCenterPos.Y) / 255f;
if (rainRel < variant.Climate.MinRain || rainRel > variant.Climate.MaxRain || temp < variant.Climate.MinTemp || temp > variant.Climate.MaxTemp)
{
return;
}
}
variant.GeneratorInst?.GenDeposit(blockAccessor, chunks, chunkX, chunkZ, depoCenterPos, ref subDepositsToPlace);
}
public NoiseClimateRealistic(long seed, double mapsizeZ) : base(seed + 1)
{
// We want the full range (from min temp to max temp) to pass every 50.000 blocks
double climateBandWaveLength = 50000;
// range must be divided by the climate map scaling
halfRange = climateBandWaveLength / TerraGenConfig.climateMapScale / TerraGenConfig.climateMapSubScale;
// We want the player to spawn in an area of temperature from 6 to 15 degrees
float minTemp = 6;
float maxTemp = 14;
// Our temperature values are stored in a range from 0..255, so lets descale them
int minTempDescaled = TerraGenConfig.DescaleTemperature(minTemp);
int maxTempDescaled = TerraGenConfig.DescaleTemperature(maxTemp);
// Chose one random value between min and max temp
double rndTemp = minTempDescaled + NextInt(maxTempDescaled - minTempDescaled + 1);
// A change of one degree
double zPerDegDescaled = halfRange / 255;
// We need to shift over z by this much to achieve 6-15 degrees
zOffset = rndTemp * zPerDegDescaled;
this.mapsizeZ = mapsizeZ;
}
internal void LoadTrees()
{
treeGenProps = api.Assets.Get("worldgen/treengenproperties.json").ToObject <TreeGenProperties>();
treeGenProps.descVineMinTempRel = TerraGenConfig.DescaleTemperature(treeGenProps.vinesMinTemp) / 255f;
treeGenerators.LoadTreeGenerators();
random = new Random(api.WorldManager.Seed);
worldheight = api.WorldManager.MapSizeY;
}
public NoiseClimateRealistic(long seed, double mapsizeZ, int polarEquatorDistance, int spawnMinTemp, int spawnMaxTemp) : base(seed + 1)
{
// range must be divided by the climate map scaling
halfRange = polarEquatorDistance / TerraGenConfig.climateMapScale / TerraGenConfig.climateMapSubScale;
// Our temperature values are stored in a range from 0..255, so lets descale them
int minTempDescaled = TerraGenConfig.DescaleTemperature(spawnMinTemp);
int maxTempDescaled = TerraGenConfig.DescaleTemperature(spawnMaxTemp);
// Chose one random value between min and max temp
double rndTemp = minTempDescaled + NextInt(maxTempDescaled - minTempDescaled + 1);
// A change of one degree
double zPerDegDescaled = halfRange / 255;
// We need to shift over z by this much to achieve 6-15 degrees
ZOffset = rndTemp * zPerDegDescaled - mapsizeZ / 2;
}
private void LoadBlockLayers(double posRand, float rainRel, float temperature, int unscaledTemp, int posY, int firstBlockId)
{
float heightRel = ((float)posY - TerraGenConfig.seaLevel) / ((float)api.WorldManager.MapSizeY - TerraGenConfig.seaLevel);
float fertilityRel = TerraGenConfig.GetFertilityFromUnscaledTemp((int)(rainRel * 255), unscaledTemp, heightRel) / 255f;
float depthf = TerraGenConfig.SoilThickness(rainRel, temperature, posY - TerraGenConfig.seaLevel, 1f);
int depth = (int)depthf;
depth += (int)((depthf - depth) * rnd.NextDouble());
BlockLayersIds.Clear();
for (int j = 0; j < blockLayerConfig.Blocklayers.Length; j++)
{
BlockLayer bl = blockLayerConfig.Blocklayers[j];
float tempDist = Math.Abs(temperature - GameMath.Clamp(temperature, bl.MinTemp, bl.MaxTemp));
float rainDist = Math.Abs(rainRel - GameMath.Clamp(rainRel, bl.MinRain, bl.MaxRain));
float fertDist = Math.Abs(fertilityRel - GameMath.Clamp(fertilityRel, bl.MinFertility, bl.MaxFertility));
float yDist = Math.Abs((float)posY / mapheight - GameMath.Min((float)posY / mapheight, bl.MaxY));
if (tempDist + rainDist + fertDist + yDist <= posRand)
{
int blockId = bl.GetBlockId(posRand, temperature, rainRel, fertilityRel, firstBlockId);
if (blockId != 0)
{
BlockLayersIds.Add(blockId);
// Would be correct, but doesn't seem to cause noticable problems
// so lets not add it for faster chunk gen
posY--;
temperature = TerraGenConfig.GetScaledAdjustedTemperatureFloat(unscaledTemp, posY - TerraGenConfig.seaLevel);
// rainRel = TerraGenConfig.GetRainFall(unscaledRain, posY) / 255f;
heightRel = ((float)posY - TerraGenConfig.seaLevel) / ((float)api.WorldManager.MapSizeY - TerraGenConfig.seaLevel);
fertilityRel = TerraGenConfig.GetFertilityFromUnscaledTemp((int)(rainRel * 255), unscaledTemp, heightRel) / 255f;
}
}
if (BlockLayersIds.Count >= depth)
{
break;
}
}
layersUnderWater = null;
for (int j = 0; j < blockLayerConfig.LakeBedLayer.BlockCodeByMin.Length; j++)
{
LakeBedBlockCodeByMin lbbc = blockLayerConfig.LakeBedLayer.BlockCodeByMin[j];
if (lbbc.Suitable(temperature, rainRel, (float)posY / api.WorldManager.MapSizeY, rnd))
{
layersUnderWater = new int[] { lbbc.GetBlockForMotherRock(firstBlockId) };
break;
}
}
if (layersUnderWater == null)
{
layersUnderWater = new int[0];
}
}
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--;
}
}
}
}
/// <summary>
/// forceInitialPosY is for subdeposits
/// </summary>
/// <param name="chunks"></param>
/// <param name="chunkX"></param>
/// <param name="chunkZ"></param>
/// <param name="offsetX"></param>
/// <param name="offsetZ"></param>
/// <param name="variant"></param>
/// <param name="forceInitialPosY"></param>
/// <returns></returns>
Dictionary <Vec3i, DepositVariant> GenDeposit(IServerChunk[] chunks, int chunkX, int chunkZ, int offsetX, int offsetZ, DepositVariant variant, int?forceInitialPosY = null)
{
Dictionary <Vec3i, DepositVariant> SubDepositsToPlace = new Dictionary <Vec3i, DepositVariant>();
IMapChunk mapchunk = chunks[0].MapChunk;
int radius = Math.Min(64, (int)variant.Radius.nextFloat(1, depositRand));
if (radius <= 0)
{
return(SubDepositsToPlace);
}
// Let's deform that perfect circle a bit (+/- 25%)
float deform = GameMath.Clamp(depositRand.NextFloat() - 0.5f, -0.25f, 0.25f);
int radiusX = radius - (int)(radius * deform);
int radiusZ = radius + (int)(radius * deform);
int posY;
// No need to caluclate further if this deposit won't be part of this chunk
if (radiusX + offsetX < 0 || radiusZ + offsetZ < 0 || offsetX - radiusX >= chunksize || offsetZ - radiusZ >= chunksize)
{
return(SubDepositsToPlace);
}
IMapChunk originMapchunk = null;
int origPosY = 0;
int lx = GameMath.Mod(offsetX, chunksize);
int lz = GameMath.Mod(offsetZ, chunksize);
if (variant.MaxY < 1 || variant.CheckClimate)
{
originMapchunk = api.WorldManager.GetMapChunk((chunkX * chunksize + offsetX) / chunksize, (chunkZ * chunksize + offsetZ) / chunksize);
if (originMapchunk == null)
{
return(SubDepositsToPlace); // argh >.<
}
origPosY = originMapchunk.RainHeightMap[lz * chunksize + lx];
if ((float)origPosY / api.World.BlockAccessor.MapSizeY > variant.MaxY)
{
return(SubDepositsToPlace);
}
}
// Check if suited for this area, climate wise
if (variant.CheckClimate)
{
IntMap climateMap = api.World.BlockAccessor.GetMapRegion((chunkX * chunksize + offsetX) / regionSize, (chunkZ * chunksize + offsetZ) / regionSize).ClimateMap;
float posXInRegionClimate = ((float)lx / regionSize - lx / regionSize) * noiseSizeClimate;
float posZInRegionClimate = ((float)lz / regionSize - lz / regionSize) * noiseSizeClimate;
int climate = climateMap.GetUnpaddedColorLerped(posXInRegionClimate, posZInRegionClimate);
float temp = TerraGenConfig.GetScaledAdjustedTemperatureFloat((climate >> 16) & 0xff, origPosY - TerraGenConfig.seaLevel);
float rainRel = TerraGenConfig.GetRainFall((climate >> 8) & 0xff, origPosY) / 255f;
if (rainRel < variant.MinRain || rainRel > variant.MaxRain || temp < variant.MinTemp || temp > variant.MaxTemp)
{
return(SubDepositsToPlace);
}
}
// Ok generate
float th = variant.Thickness.nextFloat(1, depositRand);
int thickness = (int)th + (depositRand.NextFloat() < th - (int)th ? 1 : 0);
float xRadSqInv = 1f / (radiusX * radiusX);
float zRadSqInv = 1f / (radiusZ * radiusZ);
int blockIndex = 0;
bool parentBlockOk = false;
float depthf;
bool shouldGenSurfaceDeposit = depositRand.NextFloat() > 0.35f && variant.SurfaceBlockCode != null;
if (forceInitialPosY != null)
{
depthf = (float)forceInitialPosY / mapchunk.WorldGenTerrainHeightMap[offsetX * chunksize + offsetZ];
}
else
{
depthf = variant.Depth.nextFloat(1, depositRand);
}
int depthi = (int)depthf;
int topLeft = 2 * depositRand.NextInt(radiusX + 1) - radiusX;
int topRight = 2 * depositRand.NextInt(radiusZ + 1) - radiusZ;
int botLeft = 2 * depositRand.NextInt(radiusX + 1) - radiusX;
int botRight = 2 * depositRand.NextInt(radiusZ + 1) - radiusZ;
int yOff = 0;
// Only generate inside this current chunk column
int minx = GameMath.Clamp(offsetX - radiusX, 0, chunksize);
int maxx = GameMath.Clamp(offsetX + radiusX, 0, chunksize);
int minz = GameMath.Clamp(offsetZ - radiusZ, 0, chunksize);
int maxz = GameMath.Clamp(offsetZ + radiusZ, 0, chunksize);
float invChunkAreaSize = 1f / (chunksize * chunksize);
for (int x = minx; x < maxx; x++)
{
float xSq = (x - offsetX) * (x - offsetX) * xRadSqInv;
for (int z = minz; z < maxz; z++)
{
if (xSq + (z - offsetZ) * (z - offsetZ) * zRadSqInv > 1)
{
continue;
}
if (variant.Placement == EnumDepositPlacement.FollowSurfaceBelow)
{
posY = mapchunk.WorldGenTerrainHeightMap[z * chunksize + x] - depthi;
}
else if (variant.Placement == EnumDepositPlacement.FollowSurface)
{
yOff = (int)GameMath.BiLerp(topLeft, topRight, botLeft, botRight, (x - offsetX + radiusX) / (2f * radiusX), (z - offsetZ + radiusZ) / (2f * radiusZ));
posY = (int)(depthf * mapchunk.WorldGenTerrainHeightMap[z * chunksize + x]) + yOff / 2;
}
else if (variant.Placement == EnumDepositPlacement.Straight)
{
posY = (int)(depthf * mapchunk.WorldGenTerrainHeightMap[z * chunksize + x]);
}
else
{
yOff = (int)GameMath.BiLerp(topLeft, topRight, botLeft, botRight, (x - offsetX + radiusX) / (2f * radiusX), (z - offsetZ + radiusZ) / (2f * radiusZ));
posY = depthi + yOff;
}
// Some deposits may not appear all over cliffs
if (variant.CheckClimate && Math.Abs(origPosY - posY) > variant.MaxYRoughness)
{
continue;
}
for (int y = 0; y < thickness; y++)
{
if (posY <= 1 || posY >= worldheight)
{
continue;
}
long index3d = ((posY % chunksize) * chunksize + z) * chunksize + x;
ushort blockId = chunks[posY / chunksize].Blocks[index3d];
// Check if we are in mother material, but only if it has changed since last iteration (should reduce amount of these checks by 50-100%)
parentBlockOk = false;
for (int i = 0; i < variant.ParentBlockIds.Length; i++)
{
if (variant.ParentBlockIds[i] == blockId)
{
parentBlockOk = true;
blockIndex = i;
break;
}
}
if (parentBlockOk)
{
if (variant.WithBlockCallback)
{
tmpPos.Set(chunkX * chunksize + x, posY, chunkZ * chunksize + z);
blockTypes[variant.BlockIds[blockIndex]].TryPlaceBlockForWorldGen(blockAccessor, tmpPos, BlockFacing.UP);
}
else
{
chunks[posY / chunksize].Blocks[index3d] = variant.BlockIds[blockIndex];
}
for (int i = 0; i < variant.ChildDeposits.Length; i++)
{
float rndVal = depositRand.NextFloat();
float quantity = variant.ChildDeposits[i].Quantity * invChunkAreaSize;
if (quantity > rndVal)
{
Vec3i pos = new Vec3i(x, posY, z);
if (ShouldPlaceAdjustedForOreMap(variant.ChildDeposits[i], chunkX * chunksize + x, chunkZ * chunksize + z, quantity, rndVal))
{
SubDepositsToPlace[pos] = variant.ChildDeposits[i];
}
}
}
if (shouldGenSurfaceDeposit)
{
int surfaceY = mapchunk.RainHeightMap[z * chunksize + x];
int depth = surfaceY - posY;
float chance = variant.SurfaceBlockChance * Math.Max(0, 1 - depth / 8f);
if (depositRand.NextFloat() < chance)
{
index3d = (((surfaceY + 1) % chunksize) * chunksize + z) * chunksize + x;
Block belowBlock = api.World.Blocks[chunks[surfaceY / chunksize].Blocks[((surfaceY % chunksize) * chunksize + z) * chunksize + x]];
if (belowBlock.SideSolid[BlockFacing.UP.Index] && chunks[(surfaceY + 1) / chunksize].Blocks[index3d] == 0)
{
chunks[(surfaceY + 1) / chunksize].Blocks[index3d] = variant.SurfaceBlockIds[blockIndex];
}
}
}
}
posY--;
}
}
}
return(SubDepositsToPlace);
}
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);
}
}
void genTrees(int chunkX, int chunkZ)
{
int climate = GameMath.BiLerpRgbColor((float)0.5f, (float)0.5f, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
float wetrel = TerraGenConfig.GetRainFall((climate >> 8) & 0xff, heightmap[(chunksize / 2) * chunksize + chunksize / 2]) / 255f;
float dryrel = 1 - wetrel;
float drypenalty = 1 - GameMath.Clamp(2f * (dryrel - 0.5f), 0, 0.8f); // Reduce tree generation by up to 70% in low rain places
float wetboost = 1 + 3 * Math.Max(0, wetrel - 0.75f);
int triesTrees = (int)(treeSupplier.treeGenProps.treesPerChunk.nextFloat() * drypenalty * wetboost);
int dx, dz, x, z;
Block block;
while (triesTrees > 0)
{
triesTrees--;
dx = rnd.NextInt(chunksize);
dz = rnd.NextInt(chunksize);
x = dx + chunkX * chunksize;
z = dz + chunkZ * chunksize;
int y = heightmap[dz * chunksize + dx];
if (y <= 0 || y >= worldheight - 15)
{
continue;
}
tmpPos.Set(x, y, z);
block = blockAccessor.GetBlock(tmpPos);
if (block.Fertility == 0)
{
continue;
}
// Place according to forest value
float treeDensity = GameMath.BiLerp(forestUpLeft, forestUpRight, forestBotLeft, forestBotRight, (float)dx / chunksize, (float)dz / chunksize);
climate = GameMath.BiLerpRgbColor((float)dx / chunksize, (float)dz / chunksize, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
//float shrubChance = GameMath.BiLerp(shrubUpLeft, shrubUpRight, shrubBotLeft, shrubBotRight, (float)dx / chunksize, (float)dz / chunksize);
treeDensity = GameMath.Clamp(treeDensity + forestMod * 255, 0, 255);
float treeDensityNormalized = treeDensity / 255f;
// 1 in 400 chance to always spawn a tree
// otherwise go by tree density using a quadratic drop off to create clearer forest edges
if (rnd.NextDouble() > Math.Max(0.0025, treeDensityNormalized * treeDensityNormalized) || forestMod <= -1)
{
continue;
}
TreeGenForClimate treegenParams = treeSupplier.GetRandomTreeGenForClimate(climate, (int)treeDensity, y);
if (treegenParams != null)
{
bool canGen = true;
for (int i = 0; i < structuresIntersectingChunk.Count; i++)
{
if (structuresIntersectingChunk[i].Location.Contains(tmpPos))
{
canGen = false; break;
}
}
if (!canGen)
{
continue;
}
if (blockAccessor.GetBlock(tmpPos.X, tmpPos.Y, tmpPos.Z).Replaceable >= 6000)
{
tmpPos.Y--;
}
treegenParams.treeGen.GrowTree(
blockAccessor,
tmpPos,
treegenParams.size,
treegenParams.vinesGrowthChance
);
}
}
}
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 OnChunkColumnGeneration(IServerChunk[] chunks, int chunkX, int chunkZ)
{
IntMap forestMap = chunks[0].MapChunk.MapRegion.ForestMap;
IntMap climateMap = chunks[0].MapChunk.MapRegion.ClimateMap;
ushort[] heightMap = chunks[0].MapChunk.RainHeightMap;
int regionChunkSize = api.WorldManager.RegionSize / chunksize;
int rlX = chunkX % regionChunkSize;
int rlZ = chunkZ % regionChunkSize;
// "Pixels per chunk"
float facF = (float)forestMap.InnerSize / regionChunkSize;
// Retrieves the map data on the chunk edges
int forestUpLeft = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF));
int forestUpRight = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF));
int forestBotLeft = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF + facF));
int forestBotRight = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF + facF));
float facC = (float)climateMap.InnerSize / regionChunkSize;
int climateUpLeft = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC));
int climateUpRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC));
int climateBotLeft = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC + facC));
int climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC + facC));
for (int x = 0; x < chunksize; x++)
{
for (int z = 0; z < chunksize; z++)
{
int posY = heightMap[z * chunksize + x];
int climate = GameMath.BiLerpRgbColor((float)x / chunksize, (float)z / chunksize, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
int tempUnscaled = (climate >> 16) & 0xff;
float temp = TerraGenConfig.GetScaledAdjustedTemperatureFloat(tempUnscaled, posY - TerraGenConfig.seaLevel);
float rainRel = TerraGenConfig.GetRainFall((climate >> 8) & 0xff, posY) / 255f;
float forestRel = GameMath.BiLerp(forestUpLeft, forestUpRight, forestBotLeft, forestBotRight, (float)x / chunksize, (float)z / chunksize) / 255f;
int prevY = posY;
posY = PutLayers(x, posY, z, chunks, rainRel, temp, tempUnscaled, heightMap);
PlaceTallGrass(x, prevY, z, chunks, rainRel, 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;
ushort 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(x, posY, z, chunks, rainRel, temp, tempUnscaled, null);
break;
}
else
{
foundAir = 0;
}
}
posY--;
}
}
}
}
public TreeGenForClimate GetRandomGenForClimate(TreeVariant[] gens, int climate, int forest, int y)
{
int rain = TerraGenConfig.GetRainFall((climate >> 8) & 0xff, y);
int temp = TerraGenConfig.GetScaledAdjustedTemperature((climate >> 16) & 0xff, y - TerraGenConfig.seaLevel);
float heightRel = ((float)y - TerraGenConfig.seaLevel) / ((float)api.WorldManager.MapSizeY - TerraGenConfig.seaLevel);
int fertility = TerraGenConfig.GetFertility(rain, temp, heightRel);
float total = 0;
float fertDist, rainDist, tempDist, forestDist, heightDist;
distances.Clear();
for (int i = 0; i < gens.Length; i++)
{
TreeVariant variant = gens[i];
fertDist = Math.Abs(fertility - variant.FertMid) / variant.FertRange;
rainDist = Math.Abs(rain - variant.RainMid) / variant.RainRange;
tempDist = Math.Abs(temp - variant.TempMid) / variant.TempRange;
forestDist = Math.Abs(forest - variant.ForestMid) / variant.ForestRange;
heightDist = Math.Abs((y / worldheight) - variant.HeightMid) / variant.HeightRange;
double distSq =
Math.Max(0, fertDist * fertDist - 1) +
Math.Max(0, rainDist * rainDist - 1) +
Math.Max(0, tempDist * tempDist - 1) +
Math.Max(0, forestDist * forestDist - 1) +
Math.Max(0, heightDist * heightDist - 1)
;
if (random.NextDouble() < distSq)
{
continue;
}
float distance = (fertDist + rainDist + tempDist + forestDist + heightDist) * variant.Weight / 100f;
distances.Add(variant, distance);
total += distance;
}
distances = distances.Shuffle(random);
double rnd = random.NextDouble();
foreach (var val in distances)
{
rnd -= val.Value / total;
if (rnd <= 0.001)
{
float suitabilityBonus = GameMath.Clamp(0.7f - val.Value, 0f, 0.7f) * 1 / 0.7f * val.Key.SuitabilitySizeBonus;
float size = val.Key.MinSize + (float)random.NextDouble() * (val.Key.MaxSize - val.Key.MinSize) + suitabilityBonus;
float rainVal = Math.Max(0, (rain / 255f - treeGenProps.vinesMinRain) / (1 - treeGenProps.vinesMinRain));
float tempVal = Math.Max(0, (TerraGenConfig.DescaleTemperature(temp) / 255f - treeGenProps.descVineMinTempRel) / (1 - treeGenProps.descVineMinTempRel));
float vinesGrowthChance = 2f * rainVal * tempVal;
ITreeGenerator treegen = treeGenerators.GetGenerator(val.Key.Generator);
if (treegen == null)
{
api.World.Logger.Error("treengenproperties.json references tree generator {0}, but no such generator exists!", val.Key.Generator);
return(null);
}
return(new TreeGenForClimate(treegen, size, vinesGrowthChance));
}
}
return(null);
}
private void TrySpawnGroupAt(BlockPos origin, Vec3d posAsVec, EntityProperties entityType, EntityProperties[] grouptypes)
{
BlockPos pos = origin.Copy();
float xRel = (float)(posAsVec.X % chunksize) / chunksize;
float zRel = (float)(posAsVec.Z % chunksize) / chunksize;
int climate = GameMath.BiLerpRgbColor(xRel, zRel, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
float temp = TerraGenConfig.GetScaledAdjustedTemperatureFloat((climate >> 16) & 0xff, (int)posAsVec.Y - TerraGenConfig.seaLevel);
float rain = ((climate >> 8) & 0xff) / 255f;
float forestDensity = GameMath.BiLerp(forestUpLeft, forestUpRight, forestBotLeft, forestBotRight, xRel, zRel);
float shrubDensity = GameMath.BiLerp(shrubsUpLeft, shrubsUpRight, shrubsBotLeft, shrubsBotRight, xRel, zRel);
int spawned = 0;
WorldGenSpawnConditions sc = entityType.Server.SpawnConditions.Worldgen;
bool hasCompanions = sc.Companions != null && sc.Companions.Length > 0;
spawnPositions.Clear();
int nextGroupSize = 0;
int tries = 10;
while (nextGroupSize <= 0 && tries-- > 0)
{
float val = sc.GroupSize.nextFloat();
nextGroupSize = (int)val + ((val - (int)val) > rnd.NextDouble() ? 1 : 0);
}
for (int i = 0; i < nextGroupSize * 4 + 5; i++)
{
if (spawned >= nextGroupSize)
{
break;
}
EntityProperties typeToSpawn = entityType;
// First entity 80% chance to spawn the dominant creature, every subsequent only 20% chance for males (or even lower if more than 5 companion types)
double dominantChance = i == 0 ? 0.8 : Math.Min(0.2, 1f / grouptypes.Length);
if (grouptypes.Length > 1 && rnd.NextDouble() > dominantChance)
{
typeToSpawn = grouptypes[1 + rnd.Next(grouptypes.Length - 1)];
}
posAsVec.Set(pos.X + 0.5, pos.Y + 0.005, pos.Z + 0.5);
IBlockAccessor blockAccesssor = wgenBlockAccessor.GetChunkAtBlockPos(pos.X, pos.Y, pos.Z) == null ? api.World.BlockAccessor : wgenBlockAccessor;
IMapChunk mapchunk = blockAccesssor.GetMapChunkAtBlockPos(pos);
if (mapchunk != null)
{
ushort[] heightMap = mapchunk.WorldGenTerrainHeightMap;
pos.Y =
sc.TryOnlySurface ?
heightMap[((int)pos.Z % chunksize) * chunksize + ((int)pos.X % chunksize)] + 1 :
pos.Y
;
xRel = (float)(posAsVec.X % chunksize) / chunksize;
zRel = (float)(posAsVec.Z % chunksize) / chunksize;
climate = GameMath.BiLerpRgbColor(xRel, zRel, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
temp = TerraGenConfig.GetScaledAdjustedTemperatureFloat((climate >> 16) & 0xff, (int)posAsVec.Y - TerraGenConfig.seaLevel);
rain = ((climate >> 8) & 0xff) / 255f;
forestDensity = GameMath.BiLerp(forestUpLeft, forestUpRight, forestBotLeft, forestBotRight, xRel, zRel) / 255f;
shrubDensity = GameMath.BiLerp(shrubsUpLeft, shrubsUpRight, shrubsBotLeft, shrubsBotRight, xRel, zRel) / 255f;
if (CanSpawnAt(blockAccesssor, typeToSpawn, pos, posAsVec, sc, rain, temp, forestDensity, shrubDensity))
{
spawnPositions.Add(new SpawnOppurtunity()
{
ForType = typeToSpawn, Pos = posAsVec.Clone()
});
spawned++;
}
}
pos.X = origin.X + ((rnd.Next(11) - 5) + (rnd.Next(11) - 5)) / 2;
pos.Z = origin.Z + ((rnd.Next(11) - 5) + (rnd.Next(11) - 5)) / 2;
}
// Only spawn if the group reached the minimum group size
if (spawnPositions.Count >= nextGroupSize)
{
long herdId = api.WorldManager.GetNextHerdId();
foreach (SpawnOppurtunity so in spawnPositions)
{
Entity ent = CreateEntity(so.ForType, so.Pos);
if (ent is EntityAgent)
{
(ent as EntityAgent).HerdId = herdId;
}
if (wgenBlockAccessor.GetChunkAtBlockPos(pos.X, pos.Y, pos.Z) == null)
{
api.World.SpawnEntity(ent);
}
else
{
wgenBlockAccessor.AddEntity(ent);
}
}
//Console.WriteLine("Spawn a group of {0}x{1} at {2}", spawnPositions.Count, entityType.Code, origin);
}
}