public float GetLerpedCenterPixel(float x, float y, float z)
{
int posXLeft = (int)Math.Floor(x - 0.5f);
int posXRight = posXLeft + 1;
int posYBot = (int)Math.Floor(y - 0.5f);
int posYTop = posYBot + 1;
int posZLeft = (int)Math.Floor(z - 0.5f);
int posZRight = posZLeft + 1;
float fx = x - (posXLeft + 0.5f);
float fy = y - (posYBot + 0.5f);
float fz = z - (posZLeft + 0.5f);
float up = GameMath.BiLerp(
Data[(posYBot * Length + posZLeft) * Width + posXLeft],
Data[(posYBot * Length + posZLeft) * Width + posXRight],
Data[(posYBot * Length + posZRight) * Width + posXLeft],
Data[(posYBot * Length + posZRight) * Width + posXRight],
fx, fz
);
float down = GameMath.BiLerp(
Data[(posYTop * Length + posZLeft) * Width + posXLeft],
Data[(posYTop * Length + posZLeft) * Width + posXRight],
Data[(posYTop * Length + posZRight) * Width + posXLeft],
Data[(posYTop * Length + posZRight) * Width + posXRight],
fx, fz
);
return(GameMath.Lerp(down, up, fy));
}
double[] GetTerrainNoise3D(double[] octX0, double[] octX1, double[] octX2, double[] octX3, double[] octThX0, double[] octThX1, double[] octThX2, double[] octThX3, int xPos, int yPos, int zPos)
{
for (int x = 0; x < paddedNoiseWidth; x++)
{
for (int z = 0; z < paddedNoiseWidth; z++)
{
for (int i = 0; i < TerraGenConfig.terrainGenOctaves; i++)
{
lerpedAmps[i] = GameMath.BiLerp(octX0[i], octX1[i], octX2[i], octX3[i], (double)x / paddedNoiseWidth, (double)z / paddedNoiseWidth);
lerpedTh[i] = GameMath.BiLerp(octThX0[i], octThX1[i], octThX2[i], octThX3[i], (double)x / paddedNoiseWidth, (double)z / paddedNoiseWidth);
}
for (int y = 0; y < paddedNoiseHeight; y++)
{
noiseTemp[NoiseIndex3d(x, y, z)] = TerrainNoise.Noise(
(xPos + x),
(yPos + y) / TerraGenConfig.terrainNoiseVerticalScale,
(zPos + z),
lerpedAmps,
lerpedTh
);
}
}
}
return(noiseTemp);
}
double[] GetTerrainNoise3D(double[] octX0, double[] octX1, double[] octX2, double[] octX3, double[] octThX0, double[] octThX1, double[] octThX2, double[] octThX3, int xPos, int yPos, int zPos)
{
for (int x = 0; x < paddedNoiseWidth; x++)
{
for (int z = 0; z < paddedNoiseWidth; z++)
{
for (int i = 0; i < TerraGenConfig.terrainGenOctaves; i++)
{
lerpedAmps[i] = GameMath.BiLerp(octX0[i], octX1[i], octX2[i], octX3[i], (double)x / paddedNoiseWidth, (double)z / paddedNoiseWidth);
lerpedTh[i] = GameMath.BiLerp(octThX0[i], octThX1[i], octThX2[i], octThX3[i], (double)x / paddedNoiseWidth, (double)z / paddedNoiseWidth);
}
float distx = (float)distort2dx.Noise(xPos + x, zPos + z);
float distz = (float)distort2dz.Noise(xPos + x, zPos + z);
for (int y = 0; y < paddedNoiseHeight; y++)
{
noiseTemp[NoiseIndex3d(x, y, z)] = TerrainNoise.Noise(
(xPos + x) + (distx > 0 ? Math.Max(0, distx - 10) : Math.Min(0, distx + 10)),
(yPos + y) / TerraGenConfig.terrainNoiseVerticalScale,
(zPos + z) + (distz > 0 ? Math.Max(0, distz - 10) : Math.Min(0, distz + 10)),
lerpedAmps,
lerpedTh
);
}
}
}
return(noiseTemp);
}
public float GetLerped(float x, float y, float z)
{
int posXLeft = (int)x;
int posXRight = posXLeft + 1;
int posYBot = (int)y;
int posYTop = posYBot + 1;
int posZLeft = (int)z;
int posZRight = posZLeft + 1;
float fx = x - (int)x;
float fy = y - (int)y;
float fz = z - (int)z;
float down = GameMath.BiLerp(
Data[(posYBot * Length + posZLeft) * Width + posXLeft],
Data[(posYBot * Length + posZLeft) * Width + posXRight],
Data[(posYBot * Length + posZRight) * Width + posXLeft],
Data[(posYBot * Length + posZRight) * Width + posXRight],
fx, fz
);
float up = GameMath.BiLerp(
Data[(posYTop * Length + posZLeft) * Width + posXLeft],
Data[(posYTop * Length + posZLeft) * Width + posXRight],
Data[(posYTop * Length + posZRight) * Width + posXLeft],
Data[(posYTop * Length + posZRight) * Width + posXRight],
fx, fz
);
return(GameMath.Lerp(down, up, fy));
}
public PrecipitationState GetPrecipitationState(Vec3d pos)
{
LoadAdjacentSimsAndLerpValues(pos);
double level = GameMath.BiLerp(
adjacentSims[0].weatherData.PrecIntensity,
adjacentSims[1].weatherData.PrecIntensity,
adjacentSims[2].weatherData.PrecIntensity,
adjacentSims[3].weatherData.PrecIntensity,
lerpLeftRight,
lerpTopBot
);
double size = GameMath.BiLerp(
adjacentSims[0].weatherData.PrecParticleSize,
adjacentSims[1].weatherData.PrecParticleSize,
adjacentSims[2].weatherData.PrecParticleSize,
adjacentSims[3].weatherData.PrecParticleSize,
lerpLeftRight,
lerpTopBot
);
EnumPrecipitationType top = lerpLeftRight < 0.5 ? adjacentSims[0].weatherData.nowPrecType : adjacentSims[1].weatherData.nowPrecType;
EnumPrecipitationType bot = lerpLeftRight < 0.5 ? adjacentSims[2].weatherData.nowPrecType : adjacentSims[3].weatherData.nowPrecType;
EnumPrecipitationType type = lerpTopBot < 0.5 ? top : bot;
return(new PrecipitationState()
{
Level = level,
ParticleSize = size,
Type = type
});
}
void genShrubs(int chunkX, int chunkZ)
{
int triesShrubs = (int)treeSupplier.treeGenProps.shrubsPerChunk.nextFloat();
int dx, dz, x, z;
Block block;
while (triesShrubs > 0)
{
triesShrubs--;
dx = rnd.Next(chunksize);
dz = rnd.Next(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);
int 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);
if (rnd.NextDouble() > (shrubChance / 255f) * (shrubChance / 255f))
{
continue;
}
TreeGenForClimate treegenParams = treeSupplier.GetRandomShrubGenForClimate(climate, (int)shrubChance, y);
if (treegenParams != null)
{
if (blockAccessor.GetBlock(tmpPos.X, tmpPos.Y, tmpPos.Z).Replaceable >= 6000)
{
tmpPos.Y--;
}
treegenParams.treeGen.GrowTree(
blockAccessor,
tmpPos,
treegenParams.size,
treegenParams.vinesGrowthChance
);
}
}
}
public double GetBlendedUndulatingCloudModeness()
{
return(GameMath.BiLerp(
adjacentSims[0].GetBlendedUndulatingCloudModeness(),
adjacentSims[1].GetBlendedUndulatingCloudModeness(),
adjacentSims[2].GetBlendedUndulatingCloudModeness(),
adjacentSims[3].GetBlendedUndulatingCloudModeness(),
lerpLeftRight, lerpTopBot
));
}
protected double pgetBlendedUndulatingCloudModeness()
{
return(GameMath.BiLerp(
AdjacentSims[0].GetBlendedUndulatingCloudModeness(),
AdjacentSims[1].GetBlendedUndulatingCloudModeness(),
AdjacentSims[2].GetBlendedUndulatingCloudModeness(),
AdjacentSims[3].GetBlendedUndulatingCloudModeness(),
LerpLeftRight, LerpTopBot
));
}
public double GetBlendedCloudBrightness(float b)
{
return(GameMath.BiLerp(
adjacentSims[0].GetBlendedCloudBrightness(b),
adjacentSims[1].GetBlendedCloudBrightness(b),
adjacentSims[2].GetBlendedCloudBrightness(b),
adjacentSims[3].GetBlendedCloudBrightness(b),
lerpLeftRight, lerpTopBot
));
}
public double GetBlendedCloudThicknessAt(int cloudTileX, int cloudTileZ)
{
return(GameMath.BiLerp(
adjacentSims[0].GetBlendedCloudThicknessAt(cloudTileX, cloudTileZ),
adjacentSims[1].GetBlendedCloudThicknessAt(cloudTileX, cloudTileZ),
adjacentSims[2].GetBlendedCloudThicknessAt(cloudTileX, cloudTileZ),
adjacentSims[3].GetBlendedCloudThicknessAt(cloudTileX, cloudTileZ),
lerpLeftRight, lerpTopBot
));
}
protected double pgetWindSpeed(double posY)
{
return(GameMath.BiLerp(
AdjacentSims[0].GetWindSpeed(posY),
AdjacentSims[1].GetWindSpeed(posY),
AdjacentSims[2].GetWindSpeed(posY),
AdjacentSims[3].GetWindSpeed(posY),
LerpLeftRight,
LerpTopBot
));
}
private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams)
{
IntMap beachMap = chunks[0].MapChunk.MapRegion.BeachMap;
Vec3i climate = chunks[0].MapChunk.MapRegion.ClimateMap.ToClimateVec(chunkX, chunkZ, api.WorldManager.RegionSize, chunksize);
BlockPos pos = new BlockPos();
ushort[] heightMap = chunks[0].MapChunk.RainHeightMap;
int regionChunkSize = api.WorldManager.RegionSize / chunksize;
int rdx = chunkX % regionChunkSize;
int rdz = chunkZ % regionChunkSize;
float beachStep = (float)beachMap.InnerSize / regionChunkSize;
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));
for (int x = 0; x < chunksize; x++)
{
for (int z = 0; z < chunksize; z++)
{
int y = heightMap[z * chunksize + x];
float beachRel = GameMath.BiLerp(beachUpLeft, beachUpRight, beachBotLeft, beachBotRight, (float)x / chunksize, (float)z / chunksize) / 255f;
float tempRel = climate.Z / 255f;
if (beachRel > 0.5 && tempRel > 0.5)
{
pos.X = chunkX * chunksize + x;
pos.Y = y + 1;
pos.Z = chunkZ * chunksize + z;
var a = api.ModLoader.GetModSystem <GenBlockLayers>();
int rockID = chunks[0].MapChunk.TopRockIdMap[z * chunksize + x];
if (a.blockLayerConfig.BeachLayer.BlockIdMapping.TryGetValue(rockID, out int sand))
{
int lY = y % chunksize;
int i3d = (chunksize * lY + z) * chunksize + x;
int chunkY = y / chunksize;
double noise = sNoise.Noise(rdx + x, rdx + z);
if (chunks[chunkY].Blocks[i3d] == sand && noise > 0.84)
{
GenPalmTree(blockAccessor, pos, sizeNoise.Noise(pos.X, pos.Y, pos.Z), fruitNoise.Noise(pos.X, pos.Y, pos.Z), frondNoise.Noise(pos.X, pos.Y, pos.Z));
}
}
}
}
}
}
public double GetRainFall(Vec3d pos)
{
LoadAdjacentSimsAndLerpValues(pos);
return(GameMath.BiLerp(
adjacentSims[0].weatherData.PrecIntensity,
adjacentSims[1].weatherData.PrecIntensity,
adjacentSims[2].weatherData.PrecIntensity,
adjacentSims[3].weatherData.PrecIntensity,
lerpLeftRight,
lerpTopBot
));
}
public float GetUnpaddedIntLerped(float x, float z)
{
int ix = (int)x;
int iz = (int)z;
return(GameMath.BiLerp(
Data[(iz + TopLeftPadding) * Size + ix + TopLeftPadding],
Data[(iz + TopLeftPadding) * Size + ix + 1 + TopLeftPadding],
Data[(iz + 1 + TopLeftPadding) * Size + ix + TopLeftPadding],
Data[(iz + 1 + TopLeftPadding) * Size + ix + 1 + TopLeftPadding],
x - ix, z - iz
));
}
public double GetWindSpeed(Vec3d pos)
{
LoadAdjacentSimsAndLerpValues(pos);
return(GameMath.BiLerp(
adjacentSims[0].GetWindSpeed(pos.Y),
adjacentSims[1].GetWindSpeed(pos.Y),
adjacentSims[2].GetWindSpeed(pos.Y),
adjacentSims[3].GetWindSpeed(pos.Y),
lerpLeftRight,
lerpTopBot
));
}
protected double pgetBlendedCloudBrightness(float b)
{
double bright = GameMath.BiLerp(
AdjacentSims[0].GetBlendedCloudBrightness(b),
AdjacentSims[1].GetBlendedCloudBrightness(b),
AdjacentSims[2].GetBlendedCloudBrightness(b),
AdjacentSims[3].GetBlendedCloudBrightness(b),
LerpLeftRight, LerpTopBot
);
double rainbright = rainOverlayData.State.nowCloudBrightness;
return(GameMath.Lerp(bright, rainbright, lerpRainCloudOverlay));
}
protected double pgetBlendedCloudThicknessAt(int cloudTileX, int cloudTileZ)
{
double thick = GameMath.BiLerp(
AdjacentSims[0].GetBlendedCloudThicknessAt(cloudTileX, cloudTileZ),
AdjacentSims[1].GetBlendedCloudThicknessAt(cloudTileX, cloudTileZ),
AdjacentSims[2].GetBlendedCloudThicknessAt(cloudTileX, cloudTileZ),
AdjacentSims[3].GetBlendedCloudThicknessAt(cloudTileX, cloudTileZ),
LerpLeftRight, LerpTopBot
);
double rainThick = rainOverlayData.State.nowbaseThickness;
return(GameMath.Lerp(thick, rainThick, lerpRainCloudOverlay));
}
protected double pgetBlendedCloudOpaqueness()
{
double opaque = GameMath.BiLerp(
AdjacentSims[0].GetBlendedCloudOpaqueness(),
AdjacentSims[1].GetBlendedCloudOpaqueness(),
AdjacentSims[2].GetBlendedCloudOpaqueness(),
AdjacentSims[3].GetBlendedCloudOpaqueness(),
LerpLeftRight, LerpTopBot
);
double rainopaque = rainOverlayData.State.nowbaseOpaqueness;
return(GameMath.Lerp(opaque, rainopaque, lerpRainCloudOverlay));
}
public bool TryGetCachedWeather(double x, double z, ref float[] weather)
{
int cX = (int)Math.Round(x / chunksize);
int cZ = (int)Math.Round(z / chunksize);
int startX = (cX - 1) * chunksize + chunksize / 2;
int startZ = (cZ - 1) * chunksize + chunksize / 2;
float dx = (float)((x - startX) / chunksize);
float dz = (float)((z - startZ) / chunksize);
double hoursTotal = world.Calendar.TotalHours;
double timespan = snap2.hoursTotal - snap1.hoursTotal;
long topleft = ((cX - 1) << 32) | (cZ - 1);
long topright = (cX << 32) | (cZ - 1);
long bottomright = (cX << 32) | cZ;
long bottomleft = ((cX - 1) << 32) | cZ;
bool success = true;
float[] wtl1 = null, wtr1 = null, wbr1 = null, wbl1 = null, wtl2 = null, wtr2 = null, wbr2 = null, wbl2 = null;
success = success && snap1.WeatherNoiseByChunk.TryGetValue(topleft, out wtl1);
success = success && snap1.WeatherNoiseByChunk.TryGetValue(topright, out wtr1);
success = success && snap1.WeatherNoiseByChunk.TryGetValue(bottomright, out wbr1);
success = success && snap1.WeatherNoiseByChunk.TryGetValue(bottomleft, out wbl1);
success = success && snap2.WeatherNoiseByChunk.TryGetValue(topleft, out wtl2);
success = success && snap2.WeatherNoiseByChunk.TryGetValue(topright, out wtr2);
success = success && snap2.WeatherNoiseByChunk.TryGetValue(bottomright, out wbr2);
success = success && snap2.WeatherNoiseByChunk.TryGetValue(bottomleft, out wbl2);
if (!success)
{
return(false);
}
for (int i = 0; i < weather.Length; i++)
{
float weatherSnap1 = GameMath.BiLerp(wtl1[i], wtr1[i], wbr1[i], wbl1[i], dx, dz);
float weatherSnap2 = GameMath.BiLerp(wtl2[i], wtr2[i], wbr2[i], wbl2[i], dx, dz);
weather[i] = GameMath.Lerp(weatherSnap1, weatherSnap2, (float)((hoursTotal - snap1.hoursTotal) / timespan));
}
return(true);
}
public float GetIntLerpedCorrectly(float x, float z)
{
int posXLeft = (int)Math.Floor(x - 0.5f);
int posXRight = posXLeft + 1;
int posZLeft = (int)Math.Floor(z - 0.5f);
int posZRight = posZLeft + 1;
float fx = x - (posXLeft + 0.5f);
float fz = z - (posZLeft + 0.5f);
return(GameMath.BiLerp(
Data[(posZLeft + TopLeftPadding) * Size + posXLeft + TopLeftPadding],
Data[(posZLeft + TopLeftPadding) * Size + posXRight + TopLeftPadding],
Data[(posZRight + TopLeftPadding) * Size + posXLeft + TopLeftPadding],
Data[(posZRight + TopLeftPadding) * Size + posXRight + TopLeftPadding],
fx, fz
));
}
void genPatches(int chunkX, int chunkZ, bool postPass)
{
int dx, dz, x, z;
Block block;
for (int i = 0; i < bpc.Patches.Length; i++)
{
BlockPatch blockPatch = bpc.Patches[i];
if (blockPatch.PostPass != postPass)
{
continue;
}
float chance = blockPatch.Chance * bpc.ChanceMultiplier.nextFloat();
while (chance-- > rnd.NextDouble())
{
dx = rnd.Next(chunksize);
dz = rnd.Next(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);
// Place according to forest value
float forestRel = GameMath.BiLerp(forestUpLeft, forestUpRight, forestBotLeft, forestBotRight, (float)dx / chunksize, (float)dz / chunksize) / 255f;
int 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);
if (bpc.IsPatchSuitableAt(blockPatch, block, api.WorldManager, climate, y, forestRel))
{
int firstBlockId = 0;
bool found = true;
if (blockPatch.BlocksByRockType != null)
{
found = false;
int dy = 1;
while (dy < 5 && y - dy > 0)
{
string lastCodePart = blockAccessor.GetBlock(x, y - dy, z).LastCodePart();
if (RockBlockIdsByType.TryGetValue(lastCodePart, out firstBlockId))
{
found = true; break;
}
dy++;
}
}
if (found)
{
blockPatch.Generate(blockAccessor, rnd, x, y, z, firstBlockId);
}
}
}
}
}
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--;
}
}
}
}
void genShrubs(int chunkX, int chunkZ)
{
int triesShrubs = (int)treeSupplier.treeGenProps.shrubsPerChunk.nextFloat();
int dx, dz, x, z;
Block block;
while (triesShrubs > 0)
{
triesShrubs--;
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
int 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);
shrubChance = GameMath.Clamp(shrubChance + 255 * forestMod, 0, 255);
if (rnd.NextDouble() > (shrubChance / 255f) * (shrubChance / 255f))
{
continue;
}
TreeGenForClimate treegenParams = treeSupplier.GetRandomShrubGenForClimate(climate, (int)shrubChance, 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
);
}
}
}
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 string getWeatherInfo <T>(IPlayer player) where T : WeatherSystemBase
{
T wsys = api.ModLoader.GetModSystem <T>();
Vec3d plrPos = player.Entity.SidedPos.XYZ;
BlockPos pos = plrPos.AsBlockPos;
var wreader = wsys.getWeatherDataReaderPreLoad();
wreader.LoadAdjacentSimsAndLerpValues(plrPos, 1);
int regionX = (int)pos.X / api.World.BlockAccessor.RegionSize;
int regionZ = (int)pos.Z / api.World.BlockAccessor.RegionSize;
WeatherSimulationRegion weatherSim;
long index2d = wsys.MapRegionIndex2D(regionX, regionZ);
wsys.weatherSimByMapRegion.TryGetValue(index2d, out weatherSim);
if (weatherSim == null)
{
return("weatherSim is null. No idea what to do here");
}
StringBuilder sb = new StringBuilder();
sb.AppendLine(string.Format("Weather by region:")); // (lerp-lr: {0}, lerp-bt: {1}), wsys.lerpLeftRight.ToString("0.##"), wsys.lerpTopBot.ToString("0.##")));
string[] cornerNames = new string[] { "tl", "tr", "bl", "br" };
//topBlendedWeatherData.SetLerped(adjacentSims[0].weatherData, adjacentSims[1].weatherData, (float)lerpLeftRight);
//botBlendedWeatherData.SetLerped(adjacentSims[2].weatherData, adjacentSims[3].weatherData, (float)lerpLeftRight);
//blendedWeatherData.SetLerped(topBlendedWeatherData, botBlendedWeatherData, (float)lerpTopBot);
double tlLerp = GameMath.BiLerp(1, 0, 0, 0, wreader.LerpLeftRight, wreader.LerpTopBot);
double trLerp = GameMath.BiLerp(0, 1, 0, 0, wreader.LerpLeftRight, wreader.LerpTopBot);
double blLerp = GameMath.BiLerp(0, 0, 1, 0, wreader.LerpLeftRight, wreader.LerpTopBot);
double brLerp = GameMath.BiLerp(0, 0, 0, 1, wreader.LerpLeftRight, wreader.LerpTopBot);
int[] lerps = new int[] { (int)(100 * tlLerp), (int)(100 * trLerp), (int)(100 * blLerp), (int)(100 * brLerp) };
for (int i = 0; i < 4; i++)
{
WeatherSimulationRegion sim = wreader.AdjacentSims[i];
if (sim == wsys.dummySim)
{
sb.AppendLine(string.Format("{0}: missing", cornerNames[i]));
}
else
{
/*sb.AppendLine(string.Format("{10}% of {0}@{8}/{9}: {1}% {2}, {3}% {4}. Prec: {5}, Wind: {6} (v={7})",
* cornerNames[i], (int)(100 * sim.Weight), sim.NewWePattern.GetWeatherName(), (int)(100 - 100 * sim.Weight),
* sim.OldWePattern.GetWeatherName(), sim.weatherData.PrecIntensity.ToString("0.###"),
* sim.CurWindPattern.GetWindName(), sim.GetWindSpeed(pos.Y).ToString("0.###"),
* sim.regionX, sim.regionZ,
* lerps[i]
* )) ;*/
sb.AppendLine(string.Format("{9}% of {0}@{7}/{8}: {1}% {2}, {3}% {4}. Wind: {5}, Event: {10} (v={6})",
cornerNames[i], (int)(100 * sim.Weight), sim.NewWePattern.GetWeatherName(), (int)(100 - 100 * sim.Weight),
sim.OldWePattern.GetWeatherName(),
sim.CurWindPattern.GetWindName(), sim.GetWindSpeed(pos.Y).ToString("0.###"),
sim.regionX, sim.regionZ,
lerps[i],
sim.CurWeatherEvent.config.Code
));
}
}
//wsys.updateAdjacentAndBlendWeatherData();
//WeatherDataSnapshot wData = wsys.blendedWeatherData;
//sb.AppendLine(string.Format(string.Format("Blended:\nPrecipitation: {0}, Particle size: {1}, Type: {2}, Wind speed: {3}", wData.PrecIntensity, wData.PrecParticleSize, wData.BlendedPrecType, wsys.GetWindSpeed(plrPos))));
ClimateCondition climate = api.World.BlockAccessor.GetClimateAt(player.Entity.Pos.AsBlockPos, EnumGetClimateMode.NowValues);
sb.AppendLine(string.Format("Current precipitation: {0}%", (int)(climate.Rainfall * 100f)));
sb.AppendLine(string.Format("Current wind: {0}", API.Config.GlobalConstants.CurrentWindSpeedClient));
return(sb.ToString());
}
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);
}
}
private void OnChunkColumnGeneration(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null)
{
int seaLevel = api.World.SeaLevel;
int mapSizeY = api.WorldManager.MapSizeY;
var veinMaps = chunks[0].MapChunk.MapRegion.GetModdata <Dictionary <string, IntDataMap2D> >("veinmaps");
var oreMaps = chunks[0].MapChunk.MapRegion.OreMaps;
ushort[] heightMap = chunks[0].MapChunk.RainHeightMap;
int chunksize = api.World.BlockAccessor.ChunkSize;
int regionChunkSize = api.WorldManager.RegionSize / chunksize;
int rdx = chunkX % regionChunkSize;
int rdz = chunkZ % regionChunkSize;
foreach (var vein in veinMaps)
{
if (!DepositByCode.ContainsKey(vein.Key))
{
continue;
}
var deposit = DepositByCode[vein.Key];
Dictionary <int, ResolvedDepositBlock> placeBlockByInBlockId = deposit.GeneratorInst.GetField <Dictionary <int, ResolvedDepositBlock> >("placeBlockByInBlockId");
Dictionary <int, ResolvedDepositBlock> surfaceBlockByInBlockId = deposit.GeneratorInst.GetField <Dictionary <int, ResolvedDepositBlock> >("surfaceBlockByInBlockId");
var oreMap = oreMaps[vein.Key];
var veinMap = vein.Value;
float veinStep = (float)veinMap.InnerSize / regionChunkSize;
float oreStep = (float)oreMap.InnerSize / regionChunkSize;
for (int x = 0; x < chunksize; x++)
{
for (int z = 0; z < chunksize; z++)
{
rand.InitPositionSeed(chunkX + x, chunkZ + z);
int dCx = rand.NextInt(9) - 4;
int dCz = rand.NextInt(9) - 4;
int height = heightMap[z * chunksize + x];
veinAtPos.Value = veinMap.GetInt((int)(rdx * veinStep + x), (int)(rdz * veinStep + z));
surfaceAtPos.Value = veinMap.GetInt((int)GameMath.Clamp(rdx * veinStep + (x + dCx), 0, veinMap.Size - 1), (int)GameMath.Clamp(rdz * veinStep + (z + dCz), 0, veinMap.Size - 1));
if (veinAtPos.Value == 0 && surfaceAtPos.Value == 0)
{
continue;
}
int oreUpLeft = oreMap.GetUnpaddedInt((int)(rdx * oreStep), (int)(rdz * oreStep));
int oreUpRight = oreMap.GetUnpaddedInt((int)(rdx * oreStep + oreStep), (int)(rdz * oreStep));
int oreBotLeft = oreMap.GetUnpaddedInt((int)(rdx * oreStep), (int)(rdz * oreStep + oreStep));
int oreBotRight = oreMap.GetUnpaddedInt((int)(rdx * oreStep + oreStep), (int)(rdz * oreStep + oreStep));
uint oreMapInt = (uint)GameMath.BiLerp(oreUpLeft, oreUpRight, oreBotLeft, oreBotRight, (float)x / chunksize, (float)z / chunksize);
float oreMapRel = ((oreMapInt & ~0xFF00FF) >> 8) / 15f;
if (veinAtPos.Rrel > 0.0)
{
int y = (int)((veinAtPos.Grel * mapSizeY) % height);
int depth = (int)(veinAtPos.Rrel * 10) + 1;
for (int dy = -depth; dy < depth; dy++)
{
if (y + dy > 0 && y + dy < mapSizeY)
{
int chunkY = (y + dy) / chunksize;
int lY = (y + dy) % chunksize;
int index3d = (chunksize * lY + z) * chunksize + x;
int blockId = chunks[chunkY].Blocks[index3d];
if (placeBlockByInBlockId?.ContainsKey(blockId) ?? false)
{
var blocks = placeBlockByInBlockId[blockId].Blocks;
chunks[chunkY].Blocks[index3d] = blocks[(int)(oreMapRel * (blocks.Length - 1))].Id;
if (deposit.ChildDeposits != null)
{
foreach (var child in deposit.ChildDeposits)
{
if (veinAtPos.Brel > 0.5)
{
Dictionary <int, ResolvedDepositBlock> childPlaceBlockByInBlockId = child.GeneratorInst.GetField <Dictionary <int, ResolvedDepositBlock> >("placeBlockByInBlockId");
Dictionary <int, ResolvedDepositBlock> childSurfaceBlockByInBlockId = child.GeneratorInst.GetField <Dictionary <int, ResolvedDepositBlock> >("surfaceBlockByInBlockId");
if (childPlaceBlockByInBlockId.ContainsKey(blockId))
{
blocks = childPlaceBlockByInBlockId[blockId].Blocks;
chunks[chunkY].Blocks[index3d] = blocks[(int)(oreMapRel * (blocks.Length - 1))].Id;
}
}
}
}
}
}
}
}
if (surfaceAtPos.Rrel > 0.0)
{
//gen surface deposits
int y = (int)((surfaceAtPos.Grel * mapSizeY) % height);
int chunkY = y / chunksize;
int lY = y % chunksize;
int index3d = (chunksize * lY + z) * chunksize + x;
int blockId = chunks[chunkY].Blocks[index3d];
if (surfaceBlockByInBlockId?.ContainsKey(blockId) ?? false)
{
if (height < mapSizeY && surfaceAtPos.Brel > 0.5f)
{
Block belowBlock = api.World.Blocks[chunks[height / chunksize].Blocks[(height % chunksize * chunksize + z) * chunksize + x]];
index3d = ((height + 1) % chunksize * chunksize + z) * chunksize + x;
if (belowBlock.SideSolid[BlockFacing.UP.Index] && chunks[(height + 1) / chunksize].Blocks[index3d] == 0)
{
chunks[(height + 1) / chunksize].Blocks[index3d] = surfaceBlockByInBlockId[blockId].Blocks[0].BlockId;
#if DEBUG
//so I can see it better when debugging
index3d = (height % chunksize * chunksize + z) * chunksize + x;
chunks[height / chunksize].Blocks[index3d] = 1;
#endif
}
}
}
}
}
}
}
}
/// <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 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--;
}
}
}
}
void genTrees(int chunkX, int chunkZ)
{
int triesTrees = (int)treeSupplier.treeGenProps.treesPerChunk.nextFloat();
int dx, dz, x, z;
Block block;
while (triesTrees > 0)
{
triesTrees--;
dx = rnd.Next(chunksize);
dz = rnd.Next(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);
int 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);
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))
{
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,
treeDensityNormalized
);
}
}
}
