public void genBlockColumn(IServerChunk[] chunks, int chunkX, int chunkZ, int lx, int lz)
{
int surfaceY = heightMap[lz * chunksize + lx];
int ylower = 1;
int yupper = surfaceY;
strataThickness = 0;
WeightedIndex[] indices = map[
chunkInRegionX + lx * lerpMapInv,
chunkInRegionZ + lz * lerpMapInv
];
rockGroupMaxThickness[0] = rockGroupMaxThickness[1] = rockGroupMaxThickness[2] = rockGroupMaxThickness[3] = 0;
rockGroupCurrentThickness[0] = rockGroupCurrentThickness[1] = rockGroupCurrentThickness[2] = rockGroupCurrentThickness[3] = 0;
for (int i = 0; i < indices.Length; i++)
{
float w = indices[i].Weight;
GeologicProvinceVariant var = provinces.Variants[indices[i].Index];
rockGroupMaxThickness[0] += var.RockStrataIndexed[0].MaxThickness * w;
rockGroupMaxThickness[1] += var.RockStrataIndexed[1].MaxThickness * w;
rockGroupMaxThickness[2] += var.RockStrataIndexed[2].MaxThickness * w;
rockGroupMaxThickness[3] += var.RockStrataIndexed[3].MaxThickness * w;
}
float distx = (float)distort2dx.Noise(chunkX * chunksize + lx, chunkZ * chunksize + lz);
float distz = (float)distort2dz.Noise(chunkX * chunksize + lx, chunkZ * chunksize + lz);
rockStrataId = -1;
while (ylower <= yupper)
{
if (--strataThickness <= 0)
{
rockStrataId++;
if (rockStrataId >= strata.Variants.Length)
{
break;
}
stratum = strata.Variants[rockStrataId];
rockMap = mapChunk.MapRegion.RockStrata[rockStrataId];
step = (float)rockMap.InnerSize / regionChunkSize;
grp = (int)stratum.RockGroup;
float thicknessDistort = GameMath.Clamp((distx + distz) / 30, 0.9f, 1.1f);
float allowedThickness = rockGroupMaxThickness[grp] * thicknessDistort - rockGroupCurrentThickness[grp];
strataThickness = Math.Min(allowedThickness, rockMap.GetIntLerpedCorrectly(rdx * step + step * (float)(lx + distx) / chunksize, rdz * step + step * (float)(lz + distz) / chunksize));
strataThickness -= (stratum.RockGroup == EnumRockGroup.Sedimentary) ? Math.Max(0, yupper - TerraGenConfig.seaLevel) * 0.5f : 0;
if (strataThickness < 2)
{
strataThickness = -1;
continue;
}
}
rockGroupCurrentThickness[grp]++;
if (stratum.GenDir == EnumStratumGenDir.BottomUp)
{
int chunkY = ylower / chunksize;
int lY = ylower - chunkY * chunksize;
int localIndex3D = (chunksize * lY + lz) * chunksize + lx;
if (chunks[chunkY].Blocks[localIndex3D] == rockBlockId)
{
chunks[chunkY].Blocks[localIndex3D] = stratum.BlockId;
}
ylower++;
}
else
{
int chunkY = yupper / chunksize;
int lY = yupper - chunkY * chunksize;
int localIndex3D = (chunksize * lY + lz) * chunksize + lx;
if (chunks[chunkY].Blocks[localIndex3D] == rockBlockId)
{
chunks[chunkY].Blocks[localIndex3D] = stratum.BlockId;
}
yupper--;
}
}
}