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); }
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 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 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--; } } } }
private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null) { rand.InitPositionSeed(chunkX, chunkZ); ushort[] heightmap = chunks[0].MapChunk.RainHeightMap; IntDataMap2D climateMap = chunks[0].MapChunk.MapRegion.ClimateMap; int regionChunkSize = api.WorldManager.RegionSize / chunksize; float fac = (float)climateMap.InnerSize / regionChunkSize; int rlX = chunkX % regionChunkSize; int rlZ = chunkZ % regionChunkSize; climateUpLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac)); climateUpRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac)); climateBotLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac + fac)); climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac + fac)); int climateMid = GameMath.BiLerpRgbColor(0.5f, 0.5f, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight); // 16-23 bits = Red = temperature // 8-15 bits = Green = rain // 0-7 bits = Blue = humidity int rain = (climateMid >> 8) & 0xff; int humidity = climateMid & 0xff; int temp = (climateMid >> 16) & 0xff; // Lake density at chunk center float pondDensity = 4 * (rain + humidity) / 255f; float sealeveltemp = TerraGenConfig.GetScaledAdjustedTemperatureFloat(temp, 0); // Less lakes where its below -5 degrees pondDensity -= Math.Max(0, 5 - sealeveltemp); float maxTries = pondDensity * 10; int dx, dz; int baseX = chunkX * chunksize; int baseZ = chunkZ * chunksize; while (maxTries-- > 0) { if (maxTries < 1 && rand.NextDouble() > maxTries) { break; } dx = rand.NextInt(chunksize); dz = rand.NextInt(chunksize); pondYPos = heightmap[dz * chunksize + dx] + 1; if (pondYPos <= 0 || pondYPos >= mapheight - 1) { return; } TryPlacePondAt(dx, pondYPos, dz, chunkX, chunkZ); } maxTries = 600; while (maxTries-- > 0) { if (maxTries < 1 && rand.NextDouble() > maxTries) { break; } dx = rand.NextInt(chunksize); dz = rand.NextInt(chunksize); pondYPos = (int)(rand.NextDouble() * heightmap[dz * chunksize + dx]); if (pondYPos <= 0 || pondYPos >= mapheight - 1) { return; } int chunkY = pondYPos / chunksize; int dy = pondYPos % chunksize; int blockID = chunks[chunkY].Blocks[(dy * chunksize + dz) * chunksize + dx]; while (blockID == 0 && pondYPos > 20) { pondYPos--; chunkY = pondYPos / chunksize; dy = pondYPos % chunksize; blockID = chunks[chunkY].Blocks[(dy * chunksize + dz) * chunksize + dx]; if (blockID != 0) { //blockAccessor.SetBlock(63, new BlockPos(dx + baseX, pondYPos, dz + baseZ)); TryPlacePondAt(dx, pondYPos, dz, chunkX, chunkZ); } } } }
public void TryPlacePondAt(int dx, int pondYPos, int dz, int chunkX, int chunkZ, int depth = 0) { searchPositionsDeltas.Clear(); pondPositions.Clear(); // Clear Array for (int i = 0; i < didCheckPosition.Length; i++) { didCheckPosition[i] = false; } int basePosX = chunkX * chunksize; int basePosZ = chunkZ * chunksize; Vec2i tmp = new Vec2i(); searchPositionsDeltas.Enqueue(new Vec2i(dx, dz)); pondPositions.Enqueue(new Vec2i(basePosX + dx, basePosZ + dz)); didCheckPosition[(dz + mapOffset) * searchSize + dx + mapOffset] = true; while (searchPositionsDeltas.Count > 0) { Vec2i p = searchPositionsDeltas.Dequeue(); foreach (BlockFacing facing in BlockFacing.HORIZONTALS) { ndx = p.X + facing.Normali.X; ndz = p.Y + facing.Normali.Z; tmp.Set(chunkX * chunksize + ndx, chunkZ * chunksize + ndz); Block belowBlock = blockAccessor.GetBlock(tmp.X, pondYPos - 1, tmp.Y); bool inBoundary = ndx > minBoundary && ndz > minBoundary && ndx < maxBoundary && ndz < maxBoundary; // Only continue when within our 3x3 chunk search area and having a more or less solid block below (or water) if (inBoundary && (belowBlock.Replaceable < 6000 || belowBlock.BlockId == GlobalConfig.waterBlockId)) { int arrayIndex = (ndz + mapOffset) * searchSize + ndx + mapOffset; // Already checked or did we reach a pond border? if (!didCheckPosition[arrayIndex] && blockAccessor.GetBlock(tmp.X, pondYPos, tmp.Y).Replaceable >= 6000) { searchPositionsDeltas.Enqueue(new Vec2i(ndx, ndz)); pondPositions.Enqueue(tmp.Copy()); didCheckPosition[arrayIndex] = true; } } else { pondPositions.Clear(); searchPositionsDeltas.Clear(); return; } } } if (pondPositions.Count == 0) { return; } int curChunkX, curChunkZ; int prevChunkX = -1, prevChunkZ = -1; int regionChunkSize = api.WorldManager.RegionSize / chunksize; IMapChunk mapchunk = null; IServerChunk chunk = null; IServerChunk chunkOneBlockBelow = null; int ly = GameMath.Mod(pondYPos, chunksize); bool extraPondDepth = rand.NextDouble() > 0.5; bool withSeabed = extraPondDepth || pondPositions.Count > 16; foreach (Vec2i p in pondPositions) { curChunkX = p.X / chunksize; curChunkZ = p.Y / chunksize; int lx = GameMath.Mod(p.X, chunksize); int lz = GameMath.Mod(p.Y, chunksize); // Get correct chunk and correct climate data if we don't have it already if (curChunkX != prevChunkX || curChunkZ != prevChunkZ) { chunk = (IServerChunk)blockAccessor.GetChunk(curChunkX, pondYPos / chunksize, curChunkZ); if (chunk == null) { chunk = api.WorldManager.GetChunk(curChunkX, pondYPos / chunksize, curChunkZ); } chunk.Unpack(); if (ly == 0) { chunkOneBlockBelow = ((IServerChunk)blockAccessor.GetChunk(curChunkX, (pondYPos - 1) / chunksize, curChunkZ)); if (chunkOneBlockBelow == null) { return; } chunkOneBlockBelow.Unpack(); } else { chunkOneBlockBelow = chunk; } mapchunk = chunk.MapChunk; IntDataMap2D climateMap = mapchunk.MapRegion.ClimateMap; float fac = (float)climateMap.InnerSize / regionChunkSize; int rlX = curChunkX % regionChunkSize; int rlZ = curChunkZ % regionChunkSize; climateUpLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac)); climateUpRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac)); climateBotLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac + fac)); climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac + fac)); prevChunkX = curChunkX; prevChunkZ = curChunkZ; chunkOneBlockBelow.MarkModified(); chunk.MarkModified(); } // Raise heightmap by 1 mapchunk.RainHeightMap[lz * chunksize + lx] = Math.Max(mapchunk.RainHeightMap[lz * chunksize + lx], (ushort)pondYPos); // Identify correct climate at this position int climate = GameMath.BiLerpRgbColor((float)lx / chunksize, (float)lz / chunksize, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight); float temp = TerraGenConfig.GetScaledAdjustedTemperatureFloat((climate >> 16) & 0xff, pondYPos - TerraGenConfig.seaLevel); // 1. Place water or ice block chunk.Blocks[(ly * chunksize + lz) * chunksize + lx] = temp < -5 ? GlobalConfig.lakeIceBlockId : GlobalConfig.waterBlockId; // 2. Let's make a nice muddy gravely sea bed if (!withSeabed) { continue; } // Need to check the block below first int index = ly == 0 ? ((31 * chunksize + lz) * chunksize + lx) : (((ly - 1) * chunksize + lz) * chunksize + lx) ; Block belowBlock = api.World.Blocks[chunkOneBlockBelow.Blocks[index]]; // Water below? Seabed already placed if (belowBlock.IsLiquid()) { continue; } float rainRel = TerraGenConfig.GetRainFall((climate >> 8) & 0xff, pondYPos) / 255f; int rockBlockId = mapchunk.TopRockIdMap[lz * chunksize + lx]; if (rockBlockId == 0) { continue; } for (int i = 0; i < lakebedLayerConfig.BlockCodeByMin.Length; i++) { if (lakebedLayerConfig.BlockCodeByMin[i].Suitable(temp, rainRel, (float)pondYPos / mapheight, rand)) { chunkOneBlockBelow.Blocks[index] = lakebedLayerConfig.BlockCodeByMin[i].GetBlockForMotherRock(rockBlockId); break; } } } if (pondPositions.Count > 0 && extraPondDepth) { TryPlacePondAt(dx, pondYPos + 1, dz, chunkX, chunkZ, depth + 1); } }
private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null) { landforms = NoiseLandforms.landforms; IMapChunk mapchunk = chunks[0].MapChunk; int climateUpLeft; int climateUpRight; int climateBotLeft; int climateBotRight; IntDataMap2D climateMap = chunks[0].MapChunk.MapRegion.ClimateMap; int regionChunkSize = api.WorldManager.RegionSize / chunksize; float fac = (float)climateMap.InnerSize / regionChunkSize; int rlX = chunkX % regionChunkSize; int rlZ = chunkZ % regionChunkSize; climateUpLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac)); climateUpRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac)); climateBotLeft = climateMap.GetUnpaddedInt((int)(rlX * fac), (int)(rlZ * fac + fac)); climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * fac + fac), (int)(rlZ * fac + fac)); int freezingTemp = -17; IntDataMap2D landformMap = mapchunk.MapRegion.LandformMap; // Amount of pixels for each chunk (probably 1, 2, or 4) in the land form map float chunkPixelSize = landformMap.InnerSize / regionChunkSize; // Adjusted lerp for the noiseWidth float chunkPixelStep = chunkPixelSize / noiseWidth; // Start coordinates for the chunk in the region map float baseX = (chunkX % regionChunkSize) * chunkPixelSize; float baseZ = (chunkZ % regionChunkSize) * chunkPixelSize; LerpedWeightedIndex2DMap landLerpMap = GetOrLoadLerpedLandformMap(chunks[0].MapChunk, chunkX / regionChunkSize, chunkZ / regionChunkSize); // Terrain octaves double[] octNoiseX0, octNoiseX1, octNoiseX2, octNoiseX3; double[] octThX0, octThX1, octThX2, octThX3; // So it seems we have some kind of off-by-one error here? // When the slope of a mountain goes up (in positive z or x direction), particularly at large word heights (512+) // then the last blocks (again in postive x/z dir) are below of where they should be? // I have no idea why, but this offset seems to greatly mitigate the issue float weirdOffset = 0.25f; chunkPixelSize += weirdOffset; GetInterpolatedOctaves(landLerpMap[baseX, baseZ], out octNoiseX0, out octThX0); GetInterpolatedOctaves(landLerpMap[baseX + chunkPixelSize, baseZ], out octNoiseX1, out octThX1); GetInterpolatedOctaves(landLerpMap[baseX, baseZ + chunkPixelSize], out octNoiseX2, out octThX2); GetInterpolatedOctaves(landLerpMap[baseX + chunkPixelSize, baseZ + chunkPixelSize], out octNoiseX3, out octThX3); double[] terrainNoise3d = GetTerrainNoise3D(octNoiseX0, octNoiseX1, octNoiseX2, octNoiseX3, octThX0, octThX1, octThX2, octThX3, chunkX * noiseWidth, 0, chunkZ * noiseWidth); // Store heightmap in the map chunk ushort[] rainheightmap = chunks[0].MapChunk.RainHeightMap; ushort[] terrainheightmap = chunks[0].MapChunk.WorldGenTerrainHeightMap; // Terrain thresholds double tnoiseY0; double tnoiseY1; double tnoiseY2; double tnoiseY3; double tnoiseGainY0; double tnoiseGainY1; double tnoiseGainY2; double tnoiseGainY3; double thNoiseX0; double thNoiseX1; double thNoiseGainX0; double thNoiseGainX1; double thNoiseGainZ0; double thNoiseZ0; float[] terrainThresholdsX0 = new float[api.WorldManager.MapSizeY]; float[] terrainThresholdsX1 = new float[api.WorldManager.MapSizeY]; float[] terrainThresholdsX2 = new float[api.WorldManager.MapSizeY]; float[] terrainThresholdsX3 = new float[api.WorldManager.MapSizeY]; for (int xN = 0; xN < noiseWidth; xN++) { for (int zN = 0; zN < noiseWidth; zN++) { // Landform thresholds LoadInterpolatedThresholds(landLerpMap[baseX + xN * chunkPixelStep, baseZ + zN * chunkPixelStep], terrainThresholdsX0); LoadInterpolatedThresholds(landLerpMap[baseX + (xN + 1) * chunkPixelStep, baseZ + zN * chunkPixelStep], terrainThresholdsX1); LoadInterpolatedThresholds(landLerpMap[baseX + xN * chunkPixelStep, baseZ + (zN + 1) * chunkPixelStep], terrainThresholdsX2); LoadInterpolatedThresholds(landLerpMap[baseX + (xN + 1) * chunkPixelStep, baseZ + (zN + 1) * chunkPixelStep], terrainThresholdsX3); for (int yN = 0; yN < noiseHeight; yN++) { // Terrain noise tnoiseY0 = terrainNoise3d[NoiseIndex3d(xN, yN, zN)]; tnoiseY1 = terrainNoise3d[NoiseIndex3d(xN, yN, zN + 1)]; tnoiseY2 = terrainNoise3d[NoiseIndex3d(xN + 1, yN, zN)]; tnoiseY3 = terrainNoise3d[NoiseIndex3d(xN + 1, yN, zN + 1)]; tnoiseGainY0 = (terrainNoise3d[NoiseIndex3d(xN, yN + 1, zN)] - tnoiseY0) * lerpDeltaVert; tnoiseGainY1 = (terrainNoise3d[NoiseIndex3d(xN, yN + 1, zN + 1)] - tnoiseY1) * lerpDeltaVert; tnoiseGainY2 = (terrainNoise3d[NoiseIndex3d(xN + 1, yN + 1, zN)] - tnoiseY2) * lerpDeltaVert; tnoiseGainY3 = (terrainNoise3d[NoiseIndex3d(xN + 1, yN + 1, zN + 1)] - tnoiseY3) * lerpDeltaVert; for (int y = 0; y < lerpVer; y++) { int posY = yN * lerpVer + y; int chunkY = posY / chunksize; int localY = posY % chunksize; // For Terrain noise double tnoiseX0 = tnoiseY0; double tnoiseX1 = tnoiseY1; double tnoiseGainX0 = (tnoiseY2 - tnoiseY0) * lerpDeltaHor; double tnoiseGainX1 = (tnoiseY3 - tnoiseY1) * lerpDeltaHor; // Landform thresholds lerp thNoiseX0 = terrainThresholdsX0[posY]; thNoiseX1 = terrainThresholdsX2[posY]; thNoiseGainX0 = (terrainThresholdsX1[posY] - thNoiseX0) * lerpDeltaHor; thNoiseGainX1 = (terrainThresholdsX3[posY] - thNoiseX1) * lerpDeltaHor; for (int x = 0; x < lerpHor; x++) { // For terrain noise double tnoiseZ0 = tnoiseX0; double tnoiseGainZ0 = (tnoiseX1 - tnoiseX0) * lerpDeltaHor; // Landform thNoiseZ0 = thNoiseX0; thNoiseGainZ0 = (thNoiseX1 - thNoiseX0) * lerpDeltaHor; for (int z = 0; z < lerpHor; z++) { int lX = xN * lerpHor + x; int lZ = zN * lerpHor + z; int mapIndex = ChunkIndex2d(lX, lZ); int chunkIndex = ChunkIndex3d(lX, localY, lZ); chunks[chunkY].Blocks[chunkIndex] = 0; if (posY == 0) { chunks[chunkY].Blocks[chunkIndex] = GlobalConfig.mantleBlockId; continue; } if (tnoiseZ0 > thNoiseZ0) { terrainheightmap[mapIndex] = rainheightmap[mapIndex] = (ushort)Math.Max(rainheightmap[mapIndex], posY); chunks[chunkY].Blocks[chunkIndex] = GlobalConfig.defaultRockId; } else { if (posY < TerraGenConfig.seaLevel) { terrainheightmap[mapIndex] = rainheightmap[mapIndex] = (ushort)Math.Max(rainheightmap[mapIndex], posY); if (posY == TerraGenConfig.seaLevel - 1) { int temp = (GameMath.BiLerpRgbColor(((float)lX) / chunksize, ((float)lZ) / chunksize, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight) >> 16) & 0xff; float distort = (float)distort2dx.Noise(chunkX * chunksize + lX, chunkZ * chunksize + lZ) / 20f; float tempf = TerraGenConfig.GetScaledAdjustedTemperatureFloat(temp, 0) + distort; chunks[chunkY].Blocks[chunkIndex] = (tempf < freezingTemp) ? GlobalConfig.lakeIceBlockId : GlobalConfig.waterBlockId; } else { chunks[chunkY].Blocks[chunkIndex] = GlobalConfig.waterBlockId; } } else { chunks[chunkY].Blocks[chunkIndex] = 0; } } tnoiseZ0 += tnoiseGainZ0; thNoiseZ0 += thNoiseGainZ0; } tnoiseX0 += tnoiseGainX0; tnoiseX1 += tnoiseGainX1; thNoiseX0 += thNoiseGainX0; thNoiseX1 += thNoiseGainX1; } tnoiseY0 += tnoiseGainY0; tnoiseY1 += tnoiseGainY1; tnoiseY2 += tnoiseGainY2; tnoiseY3 += tnoiseGainY3; } } } } ushort ymax = 0; for (int i = 0; i < rainheightmap.Length; i++) { ymax = Math.Max(ymax, rainheightmap[i]); } chunks[0].MapChunk.YMax = ymax; }
private void 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 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); } }