コード例 #1
0
        private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ)
        {
            IntMap climateMap = chunks[0].MapChunk.MapRegion.ClimateMap;

            ushort[] heightMap = chunks[0].MapChunk.WorldGenTerrainHeightMap;

            int regionChunkSize = api.WorldManager.RegionSize / chunksize;
            int rlX             = chunkX % regionChunkSize;
            int rlZ             = chunkZ % regionChunkSize;

            float facC = (float)climateMap.InnerSize / regionChunkSize;

            climateUpLeft   = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC));
            climateUpRight  = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC));
            climateBotLeft  = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC + facC));
            climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC + facC));

            IntMap forestMap = chunks[0].MapChunk.MapRegion.ForestMap;
            float  facF      = (float)forestMap.InnerSize / regionChunkSize;

            forestUpLeft   = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF));
            forestUpRight  = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF));
            forestBotLeft  = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF + facF));
            forestBotRight = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF + facF));

            IntMap shrubMap = chunks[0].MapChunk.MapRegion.ShrubMap;
            float  facS     = (float)shrubMap.InnerSize / regionChunkSize;

            shrubsUpLeft   = shrubMap.GetUnpaddedInt((int)(rlX * facS), (int)(rlZ * facS));
            shrubsUpRight  = shrubMap.GetUnpaddedInt((int)(rlX * facS + facS), (int)(rlZ * facS));
            shrubsBotLeft  = shrubMap.GetUnpaddedInt((int)(rlX * facS), (int)(rlZ * facS + facS));
            shrubsBotRight = shrubMap.GetUnpaddedInt((int)(rlX * facS + facS), (int)(rlZ * facS + facS));


            Vec3d    posAsVec = new Vec3d();
            BlockPos pos      = new BlockPos();

            foreach (var val in entityTypeGroups)
            {
                EntityProperties entitytype = val.Key;
                float            tries      = entitytype.Server.SpawnConditions.Worldgen.TriesPerChunk.nextFloat(1, rnd);

                while (tries-- > rnd.NextDouble())
                {
                    int dx = rnd.Next(chunksize);
                    int dz = rnd.Next(chunksize);

                    pos.Set(chunkX * chunksize + dx, 0, chunkZ * chunksize + dz);

                    pos.Y =
                        entitytype.Server.SpawnConditions.Worldgen.TryOnlySurface ?
                        heightMap[dz * chunksize + dx] + 1:
                        rnd.Next(worldheight)
                    ;
                    posAsVec.Set(pos.X + 0.5, pos.Y + 0.005, pos.Z + 0.5);

                    TrySpawnGroupAt(pos, posAsVec, entitytype, val.Value);
                }
            }
        }
コード例 #2
0
        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]++;
                    }
                }
            }
        }
コード例 #3
0
        private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null)
        {
            IMapChunk mapChunk = chunks[0].MapChunk;

            IntMap forestMap  = mapChunk.MapRegion.ForestMap;
            IntMap shrubMap   = mapChunk.MapRegion.ShrubMap;
            IntMap climateMap = mapChunk.MapRegion.ClimateMap;
            int    rlX        = chunkX % regionChunkSize;
            int    rlZ        = chunkZ % regionChunkSize;

            float facS = (float)shrubMap.InnerSize / regionChunkSize;

            shrubUpLeft   = shrubMap.GetUnpaddedInt((int)(rlX * facS), (int)(rlZ * facS));
            shrubUpRight  = shrubMap.GetUnpaddedInt((int)(rlX * facS + facS), (int)(rlZ * facS));
            shrubBotLeft  = shrubMap.GetUnpaddedInt((int)(rlX * facS), (int)(rlZ * facS + facS));
            shrubBotRight = shrubMap.GetUnpaddedInt((int)(rlX * facS + facS), (int)(rlZ * facS + facS));

            // A region has 16 chunks
            // Size of the forest map is RegionSize / TerraGenConfig.forestMapScale  => 32*16 / 32  = 16 pixel
            // rlX, rlZ goes from 0..16 pixel
            // facF = 16/16 = 1
            // Get 4 pixels for chunkx, chunkz, chunkx+1 and chunkz+1 inside the map
            float facF = (float)forestMap.InnerSize / regionChunkSize;

            forestUpLeft   = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF));
            forestUpRight  = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF));
            forestBotLeft  = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF + facF));
            forestBotRight = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF + facF));

            float facC = (float)climateMap.InnerSize / regionChunkSize;

            climateUpLeft   = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC));
            climateUpRight  = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC));
            climateBotLeft  = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC + facC));
            climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC + facC));

            heightmap = chunks[0].MapChunk.RainHeightMap;


            structuresIntersectingChunk.Clear();
            api.World.BlockAccessor.WalkStructures(chunkBase.Set(chunkX * chunksize, 0, chunkZ * chunksize), chunkend.Set(chunkX * chunksize + chunksize, chunkMapSizeY * chunksize, chunkZ * chunksize + chunksize), (struc) =>
            {
                if (struc.Code.StartsWith("trader"))
                {
                    structuresIntersectingChunk.Add(struc);
                }
            });

            if (TerraGenConfig.GenerateVegetation)
            {
                genPatches(chunkX, chunkZ, false);
                genShrubs(chunkX, chunkZ);
                genTrees(chunkX, chunkZ);
                genPatches(chunkX, chunkZ, true);
            }
        }
コード例 #4
0
        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));
                            }
                        }
                    }
                }
            }
        }
コード例 #5
0
ファイル: GenLakes.cs プロジェクト: bitcynth/vssurvivalmod
        private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ)
        {
            ushort[] heightmap = chunks[0].MapChunk.RainHeightMap;

            IntMap 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;

            // Lake density at chunk center
            float lakeDensity = 4 * (rain + humidity) / 255f;


            float maxTries = lakeDensity * 10;

            int dx, dz;



            while (maxTries-- > 0)
            {
                if (maxTries < 1 && rand.NextDouble() > maxTries)
                {
                    break;
                }

                dx = rand.Next(chunksize);
                dz = rand.Next(chunksize);

                TryPlaceLakeAt(dx, dz, chunkX, chunkZ, heightmap);

                //ushort blockId = blockAccessor.GetBlock(new AssetLocation("creativeblock-37")).BlockId;
                //blockAccessor.SetBlock(blockId, new BlockPos(chunkX * chunksize + dx, heightmap[dz * chunksize + dx] + 1, chunkZ * chunksize + dz));
            }
        }
コード例 #6
0
        private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ)
        {
            IntMap forestMap  = chunks[0].MapChunk.MapRegion.ForestMap;
            IntMap shrubMap   = chunks[0].MapChunk.MapRegion.ShrubMap;
            IntMap climateMap = chunks[0].MapChunk.MapRegion.ClimateMap;
            int    rlX        = chunkX % regionChunkSize;
            int    rlZ        = chunkZ % regionChunkSize;

            float facS = (float)shrubMap.InnerSize / regionChunkSize;

            shrubUpLeft   = shrubMap.GetUnpaddedInt((int)(rlX * facS), (int)(rlZ * facS));
            shrubUpRight  = shrubMap.GetUnpaddedInt((int)(rlX * facS + facS), (int)(rlZ * facS));
            shrubBotLeft  = shrubMap.GetUnpaddedInt((int)(rlX * facS), (int)(rlZ * facS + facS));
            shrubBotRight = shrubMap.GetUnpaddedInt((int)(rlX * facS + facS), (int)(rlZ * facS + facS));


            // A region has 16 chunks
            // Size of the forest map is RegionSize / TerraGenConfig.forestMapScale  => 32*16 / 32  = 16 pixel
            // rlX, rlZ goes from 0..16 pixel
            // facF = 16/16 = 1
            // Get 4 pixels for chunkx, chunkz, chunkx+1 and chunkz+1 inside the map
            float facF = (float)forestMap.InnerSize / regionChunkSize;

            forestUpLeft   = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF));
            forestUpRight  = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF));
            forestBotLeft  = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF + facF));
            forestBotRight = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF + facF));

            float facC = (float)climateMap.InnerSize / regionChunkSize;

            climateUpLeft   = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC));
            climateUpRight  = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC));
            climateBotLeft  = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC + facC));
            climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC + facC));

            heightmap = chunks[0].MapChunk.RainHeightMap;

            if (TerraGenConfig.GenerateVegetation)
            {
                genPatches(chunkX, chunkZ, false);
                genShrubs(chunkX, chunkZ);
                genTrees(chunkX, chunkZ);
                genPatches(chunkX, chunkZ, true);
            }
        }
コード例 #7
0
        private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ)
        {
            IMapChunk mapChunk = chunks[0].MapChunk;

            IntMap climateMap = mapChunk.MapRegion.ClimateMap;
            int    rlX        = chunkX % regionChunkSize;
            int    rlZ        = chunkZ % regionChunkSize;

            float facC = (float)climateMap.InnerSize / regionChunkSize;

            climateUpLeft   = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC));
            climateUpRight  = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC));
            climateBotLeft  = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC + facC));
            climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC + facC));

            heightmap = chunks[0].MapChunk.RainHeightMap;

            genPatches(chunkX, chunkZ);
        }
コード例 #8
0
        public static Vec3i ToClimateVec(this IntMap climateMap, int chunkX, int chunkZ, int regionsize, int chunksize, float lx = 0.5f, float ly = 0.5f)
        {
            int   regionChunkSize = 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(lx, ly, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);

            int rain     = (climateMid >> 8) & 0xff;
            int humidity = climateMid & 0xff;
            int temp     = (climateMid >> 16) & 0xff;

            return(new Vec3i(rain, humidity, temp));
        }
コード例 #9
0
        private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null)
        {
            if (!TerraGenConfig.GenerateStructures)
            {
                return;
            }

            IMapRegion region = chunks[0].MapChunk.MapRegion;

            IntMap forestMap  = region.ForestMap;
            IntMap climateMap = region.ClimateMap;
            int    rlX        = chunkX % regionChunkSize;
            int    rlZ        = chunkZ % regionChunkSize;


            // A region has 16 chunks
            // Size of the forest map is RegionSize / TerraGenConfig.forestMapScale  => 32*16 / 32  = 16 pixel
            // rlX, rlZ goes from 0..16 pixel
            // facF = 16/16 = 1
            // Get 4 pixels for chunkx, chunkz, chunkx+1 and chunkz+1 inside the map
            float facF = (float)forestMap.InnerSize / regionChunkSize;

            forestUpLeft   = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF));
            forestUpRight  = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF));
            forestBotLeft  = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF + facF));
            forestBotRight = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF + facF));

            float facC = (float)climateMap.InnerSize / regionChunkSize;

            climateUpLeft   = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC));
            climateUpRight  = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC));
            climateBotLeft  = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC + facC));
            climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC + facC));

            heightmap = chunks[0].MapChunk.WorldGenTerrainHeightMap;


            DoGenStructures(region, chunkX, chunkZ, false, chunkGenParams);
            DoGenVillages(region, chunkX, chunkZ, false, chunkGenParams);
        }
コード例 #10
0
        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;

            IntMap 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 = TerraGenConfig.DescaleTemperature(-17);


            IntMap 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;

                                                // dominionsmod
                                                chunks[chunkY].Blocks[chunkIndex] = (tempf < -17) ? GlobalConfig.lakeIceBlockId : saltWater;
                                            }
                                            else
                                            {
                                                // dominionsmod
                                                chunks[chunkY].Blocks[chunkIndex] = saltWater;
                                            }
                                        }
                                        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;
                        }
                    }
                }
            }

            int ymax = 0;

            for (int i = 0; i < rainheightmap.Length; i++)
            {
                ymax = Math.Max(ymax, rainheightmap[i]);
            }
            chunks[0].MapChunk.YMax = (ushort)ymax;
        }
コード例 #11
0
        private void OnChunkColumnGeneration(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null)
        {
            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 rdx             = chunkX % regionChunkSize;
            int rdz             = chunkZ % regionChunkSize;

            // "Pixels per chunk"
            float climateStep = (float)climateMap.InnerSize / regionChunkSize;
            float forestStep  = (float)forestMap.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));


            // 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 rainRel      = TerraGenConfig.GetRainFall((climate >> 8) & 0xff, posY + rnd) / 255f;
                    float forestRel    = GameMath.BiLerp(forestUpLeft, forestUpRight, forestBotLeft, forestBotRight, (float)x / chunksize, (float)z / chunksize) / 255f;

                    int prevY = posY;

                    posY = PutLayers(transitionRand, 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;
                        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--;
                    }
                }
            }
        }
コード例 #12
0
        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--;
                    }
                }
            }
        }
コード例 #13
0
        private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ, ITreeAttribute chunkGenParams = null)
        {
            IntMap 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;

            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.ALLFACES.Length; 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);
            }
        }
コード例 #14
0
        private void OnChunkColumnGen(IServerChunk[] chunks, int chunkX, int chunkZ)
        {
            if (!TerraGenConfig.GenerateStructures)
            {
                return;
            }

            IMapRegion region = chunks[0].MapChunk.MapRegion;

            IntMap forestMap  = region.ForestMap;
            IntMap climateMap = region.ClimateMap;
            int    rlX        = chunkX % regionChunkSize;
            int    rlZ        = chunkZ % regionChunkSize;


            // A region has 16 chunks
            // Size of the forest map is RegionSize / TerraGenConfig.forestMapScale  => 32*16 / 32  = 16 pixel
            // rlX, rlZ goes from 0..16 pixel
            // facF = 16/16 = 1
            // Get 4 pixels for chunkx, chunkz, chunkx+1 and chunkz+1 inside the map
            float facF = (float)forestMap.InnerSize / regionChunkSize;

            forestUpLeft   = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF));
            forestUpRight  = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF));
            forestBotLeft  = forestMap.GetUnpaddedInt((int)(rlX * facF), (int)(rlZ * facF + facF));
            forestBotRight = forestMap.GetUnpaddedInt((int)(rlX * facF + facF), (int)(rlZ * facF + facF));

            float facC = (float)climateMap.InnerSize / regionChunkSize;

            climateUpLeft   = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC));
            climateUpRight  = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC));
            climateBotLeft  = climateMap.GetUnpaddedInt((int)(rlX * facC), (int)(rlZ * facC + facC));
            climateBotRight = climateMap.GetUnpaddedInt((int)(rlX * facC + facC), (int)(rlZ * facC + facC));

            heightmap = chunks[0].MapChunk.WorldGenTerrainHeightMap;

            BlockPos pos = new BlockPos();

            for (int i = 0; i < scfg.Structures.Length; i++)
            {
                WorldGenStructure struc  = scfg.Structures[i];
                float             chance = struc.Chance * scfg.ChanceMultiplier;

                while (chance-- > rnd.NextDouble())
                {
                    int dx       = rnd.Next(chunksize);
                    int dz       = rnd.Next(chunksize);
                    int ySurface = heightmap[dz * chunksize + dx];
                    if (ySurface <= 0 || ySurface >= worldheight - 15)
                    {
                        continue;
                    }


                    if (struc.Placement == EnumStructurePlacement.Underground)
                    {
                        if (struc.Depth != null)
                        {
                            pos.Set(chunkX * chunksize + dx, ySurface - (int)struc.Depth.nextFloat(), chunkZ * chunksize + dz);
                        }
                        else
                        {
                            pos.Set(chunkX * chunksize + dx, 8 + rnd.Next(ySurface - 8 - 5), chunkZ * chunksize + dz);
                        }
                    }
                    else
                    {
                        pos.Set(chunkX * chunksize + dx, ySurface, chunkZ * chunksize + dz);
                    }

                    struc.TryGenerate(worldgenBlockAccessor, api.World, pos, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
                }
            }
        }
コード例 #15
0
ファイル: GenLakes.cs プロジェクト: bitcynth/vssurvivalmod
        public void TryPlaceLakeAt(int dx, int dz, int chunkX, int chunkZ, ushort[] heightmap, int depth = 0)
        {
            searchPositionsDeltas.Clear();
            lakePositions.Clear();

            // Clear Array
            for (int i = 0; i < didCheckPosition.Length; i++)
            {
                didCheckPosition[i] = false;
            }

            lakeYPos = heightmap[dz * chunksize + dx] + 1;

            if (lakeYPos <= 0 || lakeYPos >= mapheight - 1)
            {
                return;
            }

            int   basePosX = chunkX * chunksize;
            int   basePosZ = chunkZ * chunksize;
            Vec2i tmp      = new Vec2i();



            searchPositionsDeltas.Enqueue(new Vec2i(dx, dz));
            lakePositions.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, lakeYPos - 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 lake border?
                        if (!didCheckPosition[arrayIndex] && blockAccessor.GetBlock(tmp.X, lakeYPos, tmp.Y).Replaceable >= 6000)
                        {
                            searchPositionsDeltas.Enqueue(new Vec2i(ndx, ndz));
                            lakePositions.Enqueue(tmp.Copy());

                            didCheckPosition[arrayIndex] = true;
                        }
                    }
                    else
                    {
                        lakePositions.Clear();
                        searchPositionsDeltas.Clear();
                        return;
                    }
                }
            }

            if (lakePositions.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(lakeYPos, chunksize);

            bool extraLakeDepth = rand.NextDouble() > 0.5;
            bool withSeabed     = extraLakeDepth || lakePositions.Count > 16;

            foreach (Vec2i p in lakePositions)
            {
                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, lakeYPos / chunksize, curChunkZ));
                    chunk.Unpack();

                    if (ly == 0)
                    {
                        chunkOneBlockBelow = ((IServerChunk)blockAccessor.GetChunk(curChunkX, (lakeYPos - 1) / chunksize, curChunkZ));
                        chunkOneBlockBelow.Unpack();
                    }
                    else
                    {
                        chunkOneBlockBelow = chunk;
                    }

                    mapchunk = chunk.MapChunk;
                    IntMap 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;
                }


                // Raise heightmap by 1
                mapchunk.RainHeightMap[lz * chunksize + lx] = (ushort)lakeYPos;

                // 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, lakeYPos - 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, lakeYPos) / 255f;
                ushort 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)lakeYPos / mapheight, rand))
                    {
                        chunkOneBlockBelow.Blocks[index] = lakebedLayerConfig.BlockCodeByMin[i].GetBlockForMotherRock(rockBlockId);
                        break;
                    }
                }
            }


            if (lakePositions.Count > 0 && extraLakeDepth)
            {
                TryPlaceLakeAt(dx, dz, chunkX, chunkZ, heightmap, depth + 1);
            }
        }