refactor, cleanup, and perf improvements

common/src/main/java/com/dfsek/terra/CommandHandler.java

@@ -1,4 +0,0 @@
-package com.dfsek.terra;
-
-public interface CommandHandler {
-}

common/src/main/java/com/dfsek/terra/TerraProfiler.java

@@ -13,7 +13,6 @@ public class TerraProfiler extends WorldProfiler {
                 .addMeasurement(new Measurement(10000000, DataType.PERIOD_MILLISECONDS), "TreeTime")
                 .addMeasurement(new Measurement(1500000, DataType.PERIOD_MILLISECONDS), "OreTime")
                 .addMeasurement(new Measurement(5000000, DataType.PERIOD_MILLISECONDS), "CaveTime")
-                .addMeasurement(new Measurement(1500000, DataType.PERIOD_MILLISECONDS), "StructureTime")
+                .addMeasurement(new Measurement(1500000, DataType.PERIOD_MILLISECONDS), "StructureTime");
-                .addMeasurement(new Measurement(1500000, DataType.PERIOD_MILLISECONDS), "ElevationTime");
     }
 }

common/src/main/java/com/dfsek/terra/api/GenericLoaders.java

@@ -1,6 +1,7 @@
 package com.dfsek.terra.api;
 
 import com.dfsek.tectonic.loading.TypeRegistry;
+import com.dfsek.terra.api.math.GridSpawn;
 import com.dfsek.terra.api.math.ProbabilityCollection;
 import com.dfsek.terra.api.math.Range;
 import com.dfsek.terra.api.platform.TerraPlugin;
@@ -22,14 +23,13 @@ import com.dfsek.terra.config.loaders.palette.CarverPaletteLoader;
 import com.dfsek.terra.config.loaders.palette.PaletteHolderLoader;
 import com.dfsek.terra.config.loaders.palette.PaletteLayerLoader;
 import com.dfsek.terra.generation.config.NoiseBuilder;
-import com.dfsek.terra.generation.items.flora.FloraLayer;
-import com.dfsek.terra.generation.items.flora.TerraFlora;
-import com.dfsek.terra.generation.items.ores.Ore;
-import com.dfsek.terra.generation.items.ores.OreConfig;
-import com.dfsek.terra.generation.items.ores.OreHolder;
-import com.dfsek.terra.generation.items.tree.TreeLayer;
 import com.dfsek.terra.image.ImageLoader;
-import com.dfsek.terra.procgen.GridSpawn;
+import com.dfsek.terra.population.items.flora.FloraLayer;
+import com.dfsek.terra.population.items.flora.TerraFlora;
+import com.dfsek.terra.population.items.ores.Ore;
+import com.dfsek.terra.population.items.ores.OreConfig;
+import com.dfsek.terra.population.items.ores.OreHolder;
+import com.dfsek.terra.population.items.tree.TreeLayer;
 import com.dfsek.terra.util.MaterialSet;
 
 public class GenericLoaders implements LoaderRegistrar {
@@ -51,7 +51,7 @@ public class GenericLoaders implements LoaderRegistrar {
                 .registerLoader(Ore.Type.class, (t, o, l) -> Ore.Type.valueOf((String) o))
                 .registerLoader(OreConfig.class, new OreConfigLoader())
                 .registerLoader(NoiseBuilder.class, new NoiseBuilderLoader())
-                .registerLoader(TreeLayer.class, new TreeLayerLoader(main))
+                .registerLoader(TreeLayer.class, new TreeLayerLoader())
                 .registerLoader(MaterialSet.class, new MaterialSetLoader())
                 .registerLoader(OreHolder.class, new OreHolderLoader())
                 .registerLoader(ImageLoader.class, new ImageLoaderLoader())

common/src/main/java/com/dfsek/terra/api/language/Language.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.api.lang;
+package com.dfsek.terra.api.language;
 
 
 import com.dfsek.tectonic.config.Configuration;

common/src/main/java/com/dfsek/terra/api/language/Message.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.api.lang;
+package com.dfsek.terra.api.language;
 
 
 import com.dfsek.terra.api.platform.CommandSender;

common/src/main/java/com/dfsek/terra/api/language/MultiLineMessage.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.api.lang;
+package com.dfsek.terra.api.language;
 
 import com.dfsek.terra.api.platform.CommandSender;
 

common/src/main/java/com/dfsek/terra/api/language/SingleLineMessage.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.api.lang;
+package com.dfsek.terra.api.language;
 
 
 import com.dfsek.terra.api.platform.CommandSender;

common/src/main/java/com/dfsek/terra/api/math/GridSpawn.java

@@ -1,6 +1,5 @@
-package com.dfsek.terra.procgen;
+package com.dfsek.terra.api.math;
 
-import com.dfsek.terra.api.math.MathUtil;
 import com.dfsek.terra.api.math.vector.Vector3;
 import com.dfsek.terra.api.util.FastRandom;
 import com.dfsek.terra.api.util.GlueList;

common/src/main/java/com/dfsek/terra/api/math/MathUtil.java

@@ -1,6 +1,7 @@
 package com.dfsek.terra.api.math;
 
 import com.dfsek.terra.api.util.FastRandom;
+import com.dfsek.terra.generation.math.Sampler;
 import net.jafama.FastMath;
 
 import java.util.Random;
@@ -9,7 +10,14 @@ import java.util.Random;
  * Utility class for mathematical functions.
  */
 public final class MathUtil {
-    private static final double EPSILON = 0.1E-5;
+    /**
+     * Epsilon for fuzzy floating point comparisons.
+     */
+    public static final double EPSILON = 1.0E-5;
+    /**
+     * Derivative constant.
+     */
+    private static final double DERIVATIVE_DIST = 0.55;
 
     /**
      * Gets the standard deviation of an array of doubles.
@@ -68,4 +76,17 @@ public final class MathUtil {
     public static boolean equals(double a, double b) {
         return a == b || FastMath.abs(a - b) < EPSILON;
     }
+
+    public static double derivative(Sampler sampler, double x, double y, double z) {
+        double baseSample = sampler.sample(x, y, z);
+
+        double xVal1 = (sampler.sample(x + DERIVATIVE_DIST, y, z) - baseSample) / DERIVATIVE_DIST;
+        double xVal2 = (sampler.sample(x - DERIVATIVE_DIST, y, z) - baseSample) / DERIVATIVE_DIST;
+        double zVal1 = (sampler.sample(x, y, z + DERIVATIVE_DIST) - baseSample) / DERIVATIVE_DIST;
+        double zVal2 = (sampler.sample(x, y, z - DERIVATIVE_DIST) - baseSample) / DERIVATIVE_DIST;
+        double yVal1 = (sampler.sample(x, y + DERIVATIVE_DIST, z) - baseSample) / DERIVATIVE_DIST;
+        double yVal2 = (sampler.sample(x, y - DERIVATIVE_DIST, z) - baseSample) / DERIVATIVE_DIST;
+
+        return Math.sqrt(((xVal2 - xVal1) * (xVal2 - xVal1)) + ((zVal2 - zVal1) * (zVal2 - zVal1)) + ((yVal2 - yVal1) * (yVal2 - yVal1)));
+    }
 }

common/src/main/java/com/dfsek/terra/api/math/ProbabilityCollection.java

@@ -1,5 +1,6 @@
 package com.dfsek.terra.api.math;
 
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.world.biome.NormalizationUtil;
 
 import java.util.HashSet;

common/src/main/java/com/dfsek/terra/api/math/noise/FastNoiseLite.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.api.math;// MIT License
+package com.dfsek.terra.api.math.noise;// MIT License
 
 import net.jafama.FastMath;
 
@@ -58,6 +58,7 @@ perform a file-wide replace on the following strings (including / * FNLdouble *
 / *FNLdouble* / double
 
 */
+@SuppressWarnings("ManualMinMaxCalculation")
 public class FastNoiseLite {
     private static final double[] Gradients2D = {
             0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f,
@@ -328,14 +329,14 @@ public class FastNoiseLite {
     private TransformType3D mWarpTransformType3D = TransformType3D.DefaultOpenSimplex2;
     private double mDomainWarpAmp = 1.0f;
 
-    private static final com.dfsek.terra.api.math.FastNoiseLite CELLULAR_LOOKUP_DEFAULT = new com.dfsek.terra.api.math.FastNoiseLite();
+    private static final FastNoiseLite CELLULAR_LOOKUP_DEFAULT = new FastNoiseLite();
-    private com.dfsek.terra.api.math.FastNoiseLite cellularNoiseLookup = CELLULAR_LOOKUP_DEFAULT;
+    private FastNoiseLite cellularNoiseLookup = CELLULAR_LOOKUP_DEFAULT;
 
-    public com.dfsek.terra.api.math.FastNoiseLite getCellularNoiseLookup() {
+    public FastNoiseLite getCellularNoiseLookup() {
         return cellularNoiseLookup;
     }
 
-    public void setCellularNoiseLookup(com.dfsek.terra.api.math.FastNoiseLite cellularNoiseLookup) {
+    public void setCellularNoiseLookup(FastNoiseLite cellularNoiseLookup) {
         this.cellularNoiseLookup = cellularNoiseLookup;
     }
 
@@ -1442,7 +1443,6 @@ public class FastNoiseLite {
 
         if (mCellularDistanceFunction == CellularDistanceFunction.Euclidean && mCellularReturnType != CellularReturnType.CellValue) {
             distance0 = FastSqrt(distance0);
-            //noinspection ConstantConditions
             if (mCellularReturnType != CellularReturnType.CellValue) {
                 distance1 = FastSqrt(distance1);
             }
@@ -1593,8 +1593,6 @@ public class FastNoiseLite {
 
         if (mCellularDistanceFunction == CellularDistanceFunction.Euclidean && mCellularReturnType != CellularReturnType.CellValue) {
             distance0 = FastSqrt(distance0);
-
-            //noinspection ConstantConditions
             if (mCellularReturnType != CellularReturnType.CellValue) {
                 distance1 = FastSqrt(distance1);
             }

common/src/main/java/com/dfsek/terra/api/math/noise/NoiseFunction.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.math;
+package com.dfsek.terra.api.math.noise;
 
 import parsii.eval.Function;
 

common/src/main/java/com/dfsek/terra/api/math/noise/NoiseFunction2.java

@@ -1,6 +1,5 @@
-package com.dfsek.terra.math;
+package com.dfsek.terra.api.math.noise;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
 import com.dfsek.terra.generation.config.NoiseBuilder;
 import com.dfsek.terra.util.hash.HashMapDoubleDouble;
 import parsii.eval.Expression;

common/src/main/java/com/dfsek/terra/api/math/noise/NoiseFunction3.java

@@ -1,6 +1,5 @@
-package com.dfsek.terra.math;
+package com.dfsek.terra.api.math.noise;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
 import com.dfsek.terra.generation.config.NoiseBuilder;
 import parsii.eval.Expression;
 

common/src/main/java/com/dfsek/terra/api/math/parsii/BlankFunction.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.math;
+package com.dfsek.terra.api.math.parsii;
 
 import parsii.eval.Expression;
 import parsii.eval.Function;

common/src/main/java/com/dfsek/terra/api/math/parsii/RandomFunction.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.math;
+package com.dfsek.terra.api.math.parsii;
 
 import com.dfsek.terra.api.util.FastRandom;
 import parsii.eval.Expression;

common/src/main/java/com/dfsek/terra/api/math/pixel/Distribution.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.procgen.pixel;
+package com.dfsek.terra.api.math.pixel;
 
 public class Distribution {
     public Distribution(Rectangle bound, int numPoints, double minRad) {

common/src/main/java/com/dfsek/terra/api/math/pixel/Polygon.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.procgen.pixel;
+package com.dfsek.terra.api.math.pixel;
 
 import com.dfsek.terra.api.math.vector.Vector2;
 

common/src/main/java/com/dfsek/terra/api/math/pixel/Rectangle.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.procgen.pixel;
+package com.dfsek.terra.api.math.pixel;
 
 import com.dfsek.terra.api.math.vector.Vector2;
 import net.jafama.FastMath;

common/src/main/java/com/dfsek/terra/api/math/vector/Location.java

@@ -163,6 +163,6 @@ public class Location implements Cloneable {
 
     @Override
     public String toString() {
-        return "(" + getX() + ", " + getY() + ", " + getZ() + ")";
+        return "[" + world + ": (" + getX() + ", " + getY() + ", " + getZ() + ")]";
     }
 }

common/src/main/java/com/dfsek/terra/api/math/vector/Vector2.java

@@ -1,5 +1,6 @@
 package com.dfsek.terra.api.math.vector;
 
+import com.dfsek.terra.api.math.MathUtil;
 import net.jafama.FastMath;
 
 /**
@@ -157,11 +158,9 @@ public class Vector2 implements Cloneable {
 
     @Override
     public boolean equals(Object obj) {
-        if(!(obj instanceof Vector2)) {
+        if(!(obj instanceof Vector2)) return false;
-            return false;
-        }
         Vector2 other = (Vector2) obj;
-        return other.x == this.x && other.z == this.z;
+        return MathUtil.equals(this.x, other.x) && MathUtil.equals(this.z, other.z);
     }
 
     @Override

common/src/main/java/com/dfsek/terra/api/math/vector/Vector3.java

@@ -1,15 +1,12 @@
 package com.dfsek.terra.api.math.vector;
 
+import com.dfsek.terra.api.math.MathUtil;
 import com.dfsek.terra.api.platform.world.World;
 import net.jafama.FastMath;
 import org.jetbrains.annotations.NotNull;
 
 public class Vector3 implements Cloneable {
 
-    /**
-     * Threshold for fuzzy equals().
-     */
-    private static final double epsilon = 0.000001;
 
     private double x;
     private double y;
@@ -21,15 +18,6 @@ public class Vector3 implements Cloneable {
         this.z = z;
     }
 
-    /**
-     * Get the threshold used for equals().
-     *
-     * @return The epsilon.
-     */
-    public static double getEpsilon() {
-        return epsilon;
-    }
-
     public double getZ() {
         return z;
     }
@@ -119,7 +107,7 @@ public class Vector3 implements Cloneable {
      * @return whether the vector is normalised
      */
     public boolean isNormalized() {
-        return Math.abs(this.lengthSquared() - 1) < getEpsilon();
+        return MathUtil.equals(this.lengthSquared(), 1);
     }
 
     /**
@@ -333,12 +321,14 @@ public class Vector3 implements Cloneable {
      */
     @Override
     public boolean equals(Object obj) {
-        if(!(obj instanceof Vector3)) {
+        if(!(obj instanceof Vector3)) return false;
-            return false;
-        }
-
         Vector3 other = (Vector3) obj;
-
+        return MathUtil.equals(x, other.x) && MathUtil.equals(y, other.y) && MathUtil.equals(x, other.z);
-        return Math.abs(x - other.x) < epsilon && Math.abs(y - other.y) < epsilon && Math.abs(z - other.z) < epsilon && (this.getClass().equals(obj.getClass()));
     }
+
+    @Override
+    public String toString() {
+        return "(" + getX() + ", " + getY() + ", " + getZ() + ")";
+    }
+
 }

common/src/main/java/com/dfsek/terra/api/math/voxel/Cylinder.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.procgen.voxel;
+package com.dfsek.terra.api.math.voxel;
 
 
 import com.dfsek.terra.api.math.vector.Vector3;

common/src/main/java/com/dfsek/terra/api/math/voxel/DeformedSphere.java

@@ -1,6 +1,6 @@
-package com.dfsek.terra.procgen.voxel;
+package com.dfsek.terra.api.math.voxel;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.math.vector.Vector3;
 
 public class DeformedSphere extends VoxelGeometry {

common/src/main/java/com/dfsek/terra/api/math/voxel/Sphere.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.procgen.voxel;
+package com.dfsek.terra.api.math.voxel;
 
 import com.dfsek.terra.api.math.vector.Vector3;
 

common/src/main/java/com/dfsek/terra/api/math/voxel/Tube.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.procgen.voxel;
+package com.dfsek.terra.api.math.voxel;
 
 import com.dfsek.terra.api.math.vector.Vector3;
 

common/src/main/java/com/dfsek/terra/api/math/voxel/VoxelGeometry.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.procgen.voxel;
+package com.dfsek.terra.api.math.voxel;
 
 import com.dfsek.terra.api.math.vector.Vector3;
 import com.dfsek.terra.api.util.GlueList;

common/src/main/java/com/dfsek/terra/api/platform/TerraPlugin.java

@@ -2,7 +2,7 @@ package com.dfsek.terra.api.platform;
 
 import com.dfsek.terra.TerraWorld;
 import com.dfsek.terra.api.LoaderRegistrar;
-import com.dfsek.terra.api.lang.Language;
+import com.dfsek.terra.api.language.Language;
 import com.dfsek.terra.api.platform.handle.ItemHandle;
 import com.dfsek.terra.api.platform.handle.WorldHandle;
 import com.dfsek.terra.api.platform.world.World;

common/src/main/java/com/dfsek/terra/api/profiler/WorldProfiler.java

@@ -15,10 +15,7 @@ public class WorldProfiler {
     public WorldProfiler(World w) {
         if(w.getGenerator().getTerraGenerator() == null)
             throw new IllegalArgumentException("Attempted to instantiate profiler on non-Gaea managed world!");
-        this.addMeasurement(new Measurement(2500000, DataType.PERIOD_MILLISECONDS), "TotalChunkGenTime")
+        this.addMeasurement(new Measurement(2500000, DataType.PERIOD_MILLISECONDS), "TotalChunkGenTime");
-                .addMeasurement(new Measurement(2500000, DataType.PERIOD_MILLISECONDS), "ChunkBaseGenTime")
-                .addMeasurement(new Measurement(2000000, DataType.PERIOD_MILLISECONDS), "BiomeApplyTime")
-                .addMeasurement(new Measurement(2000000, DataType.PERIOD_MILLISECONDS), "PopulationManagerTime");
         isProfiling = false;
         this.world = w;
     }

common/src/main/java/com/dfsek/terra/api/structures/script/StructureScript.java

@@ -34,6 +34,7 @@ import org.apache.commons.io.IOUtils;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Random;
@@ -42,7 +43,7 @@ public class StructureScript {
     private final Block block;
     private final String id;
     String tempID;
-    private final LinkedHashMap<Location, StructureBuffer> cache;
+    private final Map<Location, StructureBuffer> cache;
 
     public StructureScript(InputStream inputStream, TerraPlugin main, ScriptRegistry registry, LootRegistry lootRegistry, SamplerCache cache) throws ParseException {
         Parser parser;
@@ -79,12 +80,12 @@ public class StructureScript {
         block = parser.parse();
         this.id = parser.getID();
         tempID = id;
-        this.cache = new LinkedHashMap<Location, StructureBuffer>() {
+        this.cache = Collections.synchronizedMap(new LinkedHashMap<Location, StructureBuffer>() {
             @Override
             protected boolean removeEldestEntry(Map.Entry<Location, StructureBuffer> eldest) {
                 return this.size() > main.getTerraConfig().getStructureCache();
             }
-        };
+        });
     }
 
     /**
@@ -113,12 +114,14 @@ public class StructureScript {
     }
 
     private StructureBuffer computeBuffer(Location location, Random random, Rotation rotation) {
-        return cache.computeIfAbsent(location, loc -> {
+        synchronized(cache) {
-            StructureBuffer buf = new StructureBuffer(loc);
+            return cache.computeIfAbsent(location, loc -> {
-            Block.ReturnInfo<?> level = block.apply(new TerraImplementationArguments(buf, rotation, random, 0));
+                StructureBuffer buf = new StructureBuffer(loc);
-            buf.setSucceeded(!level.getLevel().equals(Block.ReturnLevel.FAIL));
+                Block.ReturnInfo<?> level = block.apply(new TerraImplementationArguments(buf, rotation, random, 0));
-            return buf;
+                buf.setSucceeded(!level.getLevel().equals(Block.ReturnLevel.FAIL));
-        });
+                return buf;
+            });
+        }
     }
 
     public boolean executeInBuffer(Buffer buffer, Random random, Rotation rotation, int recursions) {

common/src/main/java/com/dfsek/terra/api/world/biome/BiomeGrid.java

@@ -1,6 +1,6 @@
 package com.dfsek.terra.api.world.biome;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.math.vector.Location;
 import com.dfsek.terra.api.world.generation.GenerationPhase;
 

common/src/main/java/com/dfsek/terra/api/world/palette/Palette.java

@@ -1,7 +1,7 @@
 package com.dfsek.terra.api.world.palette;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
 import com.dfsek.terra.api.math.ProbabilityCollection;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.util.GlueList;
 
 import java.util.List;

common/src/main/java/com/dfsek/terra/api/world/palette/SimplexPalette.java

@@ -1,6 +1,6 @@
 package com.dfsek.terra.api.world.palette;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 
 import java.util.List;
 

common/src/main/java/com/dfsek/terra/async/AsyncStructureFinder.java

@@ -8,7 +8,7 @@ import com.dfsek.terra.api.structures.structure.Rotation;
 import com.dfsek.terra.api.util.FastRandom;
 import com.dfsek.terra.biome.UserDefinedBiome;
 import com.dfsek.terra.biome.grid.master.TerraBiomeGrid;
-import com.dfsek.terra.generation.items.TerraStructure;
+import com.dfsek.terra.population.items.TerraStructure;
 import net.jafama.FastMath;
 import org.jetbrains.annotations.NotNull;
 

common/src/main/java/com/dfsek/terra/biome/BiomeZone.java

@@ -1,6 +1,6 @@
 package com.dfsek.terra.biome;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.world.biome.BiomeGrid;
 import com.dfsek.terra.api.world.biome.NormalizationUtil;
 import com.dfsek.terra.config.base.ConfigPack;

common/src/main/java/com/dfsek/terra/biome/postprocessing/CoordinatePerturb.java

@@ -1,6 +1,6 @@
 package com.dfsek.terra.biome.postprocessing;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.math.vector.Vector2;
 
 /**

common/src/main/java/com/dfsek/terra/biome/postprocessing/ErosionNoise.java

@@ -1,6 +1,6 @@
 package com.dfsek.terra.biome.postprocessing;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import net.jafama.FastMath;
 
 /**

common/src/main/java/com/dfsek/terra/carving/UserDefinedCarver.java

@@ -1,6 +1,7 @@
 package com.dfsek.terra.carving;
 
 import com.dfsek.terra.api.math.Range;
+import com.dfsek.terra.api.math.parsii.RandomFunction;
 import com.dfsek.terra.api.math.vector.Vector3;
 import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.api.platform.world.World;
@@ -11,7 +12,6 @@ import com.dfsek.terra.api.world.generation.GenerationPhase;
 import com.dfsek.terra.biome.UserDefinedBiome;
 import com.dfsek.terra.config.templates.BiomeTemplate;
 import com.dfsek.terra.config.templates.CarverTemplate;
-import com.dfsek.terra.math.RandomFunction;
 import net.jafama.FastMath;
 import parsii.eval.Expression;
 import parsii.eval.Parser;

common/src/main/java/com/dfsek/terra/command/Command.java

@@ -1,5 +0,0 @@
-package com.dfsek.terra.command;
-
-public class Command {
-
-}

common/src/main/java/com/dfsek/terra/config/base/ConfigPack.java

@@ -40,9 +40,9 @@ import com.dfsek.terra.config.templates.OreTemplate;
 import com.dfsek.terra.config.templates.PaletteTemplate;
 import com.dfsek.terra.config.templates.StructureTemplate;
 import com.dfsek.terra.config.templates.TreeTemplate;
-import com.dfsek.terra.generation.items.TerraStructure;
-import com.dfsek.terra.generation.items.ores.Ore;
 import com.dfsek.terra.generation.math.SamplerCache;
+import com.dfsek.terra.population.items.TerraStructure;
+import com.dfsek.terra.population.items.ores.Ore;
 import com.dfsek.terra.registry.BiomeGridRegistry;
 import com.dfsek.terra.registry.BiomeRegistry;
 import com.dfsek.terra.registry.CarverRegistry;

common/src/main/java/com/dfsek/terra/config/factories/FloraFactory.java

@@ -8,7 +8,7 @@ import com.dfsek.terra.api.world.palette.Palette;
 import com.dfsek.terra.api.world.palette.RandomPalette;
 import com.dfsek.terra.biome.palette.PaletteLayer;
 import com.dfsek.terra.config.templates.FloraTemplate;
-import com.dfsek.terra.generation.items.flora.TerraFlora;
+import com.dfsek.terra.population.items.flora.TerraFlora;
 
 public class FloraFactory implements TerraFactory<FloraTemplate, Flora> {
     @Override

common/src/main/java/com/dfsek/terra/config/factories/OreFactory.java

@@ -3,9 +3,9 @@ package com.dfsek.terra.config.factories;
 import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.api.platform.block.BlockData;
 import com.dfsek.terra.config.templates.OreTemplate;
-import com.dfsek.terra.generation.items.ores.DeformedSphereOre;
+import com.dfsek.terra.population.items.ores.DeformedSphereOre;
-import com.dfsek.terra.generation.items.ores.Ore;
+import com.dfsek.terra.population.items.ores.Ore;
-import com.dfsek.terra.generation.items.ores.VanillaOre;
+import com.dfsek.terra.population.items.ores.VanillaOre;
 
 public class OreFactory implements TerraFactory<OreTemplate, Ore> {
     @Override

common/src/main/java/com/dfsek/terra/config/factories/PaletteFactory.java

@@ -1,6 +1,6 @@
 package com.dfsek.terra.config.factories;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.api.platform.block.BlockData;
 import com.dfsek.terra.api.util.FastRandom;

common/src/main/java/com/dfsek/terra/config/factories/StructureFactory.java

@@ -1,13 +1,12 @@
 package com.dfsek.terra.config.factories;
 
-import com.dfsek.tectonic.exception.LoadException;
 import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.config.templates.StructureTemplate;
-import com.dfsek.terra.generation.items.TerraStructure;
+import com.dfsek.terra.population.items.TerraStructure;
 
 public class StructureFactory implements TerraFactory<StructureTemplate, TerraStructure> {
     @Override
-    public TerraStructure build(StructureTemplate config, TerraPlugin main) throws LoadException {
+    public TerraStructure build(StructureTemplate config, TerraPlugin main) {
         return new TerraStructure(config.getStructures(), config.getY(), config.getSpawn(), config);
     }
 }

common/src/main/java/com/dfsek/terra/config/factories/TreeFactory.java

@@ -1,14 +1,13 @@
 package com.dfsek.terra.config.factories;
 
-import com.dfsek.tectonic.exception.LoadException;
 import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.api.world.tree.Tree;
 import com.dfsek.terra.config.templates.TreeTemplate;
-import com.dfsek.terra.generation.items.tree.TerraTree;
+import com.dfsek.terra.population.items.tree.TerraTree;
 
 public class TreeFactory implements TerraFactory<TreeTemplate, Tree> {
     @Override
-    public Tree build(TreeTemplate config, TerraPlugin main) throws LoadException {
+    public Tree build(TreeTemplate config, TerraPlugin main) {
         return new TerraTree(config.getSpawnable(), config.getyOffset(), config.getStructures());
     }
 }

common/src/main/java/com/dfsek/terra/config/lang/LangUtil.java

@@ -1,6 +1,6 @@
 package com.dfsek.terra.config.lang;
 
-import com.dfsek.terra.api.lang.Language;
+import com.dfsek.terra.api.language.Language;
 import com.dfsek.terra.api.platform.CommandSender;
 import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.debug.Debug;

common/src/main/java/com/dfsek/terra/config/loaders/MaterialSetLoader.java

@@ -18,8 +18,7 @@ public class MaterialSetLoader implements TypeLoader<MaterialSet> {
 
         for(String string : stringData) {
             try {
-                if(string.startsWith("#")) set.addTag(string.substring(1));
+                set.add((MaterialData) configLoader.loadType(MaterialData.class, string));
-                else set.add((MaterialData) configLoader.loadType(MaterialData.class, string));
             } catch(NullPointerException e) {
                 throw new LoadException("Invalid data identifier \"" + string + "\"", e);
             }

common/src/main/java/com/dfsek/terra/config/loaders/config/FloraLayerLoader.java

@@ -3,12 +3,12 @@ package com.dfsek.terra.config.loaders.config;
 import com.dfsek.tectonic.exception.LoadException;
 import com.dfsek.tectonic.loading.ConfigLoader;
 import com.dfsek.tectonic.loading.TypeLoader;
-import com.dfsek.terra.api.math.FastNoiseLite;
 import com.dfsek.terra.api.math.ProbabilityCollection;
 import com.dfsek.terra.api.math.Range;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.world.flora.Flora;
 import com.dfsek.terra.config.loaders.Types;
-import com.dfsek.terra.generation.items.flora.FloraLayer;
+import com.dfsek.terra.population.items.flora.FloraLayer;
 
 import java.lang.reflect.Type;
 import java.util.Map;

common/src/main/java/com/dfsek/terra/config/loaders/config/GridSpawnLoader.java

@@ -2,7 +2,7 @@ package com.dfsek.terra.config.loaders.config;
 
 import com.dfsek.tectonic.loading.ConfigLoader;
 import com.dfsek.tectonic.loading.TypeLoader;
-import com.dfsek.terra.procgen.GridSpawn;
+import com.dfsek.terra.api.math.GridSpawn;
 
 import java.lang.reflect.Type;
 import java.util.Map;

common/src/main/java/com/dfsek/terra/config/loaders/config/NoiseBuilderLoader.java

@@ -5,7 +5,7 @@ import com.dfsek.tectonic.exception.ConfigException;
 import com.dfsek.tectonic.exception.LoadException;
 import com.dfsek.tectonic.loading.ConfigLoader;
 import com.dfsek.tectonic.loading.TypeLoader;
-import com.dfsek.terra.api.math.FastNoiseLite;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.generation.config.NoiseBuilder;
 
 import java.lang.reflect.Type;

common/src/main/java/com/dfsek/terra/config/loaders/config/OreConfigLoader.java

@@ -1,10 +1,9 @@
 package com.dfsek.terra.config.loaders.config;
 
-import com.dfsek.tectonic.exception.LoadException;
 import com.dfsek.tectonic.loading.ConfigLoader;
 import com.dfsek.tectonic.loading.TypeLoader;
 import com.dfsek.terra.api.math.Range;
-import com.dfsek.terra.generation.items.ores.OreConfig;
+import com.dfsek.terra.population.items.ores.OreConfig;
 
 import java.lang.reflect.Type;
 import java.util.Map;
@@ -12,7 +11,7 @@ import java.util.Map;
 @SuppressWarnings("unchecked")
 public class OreConfigLoader implements TypeLoader<OreConfig> {
     @Override
-    public OreConfig load(Type type, Object o, ConfigLoader configLoader) throws LoadException {
+    public OreConfig load(Type type, Object o, ConfigLoader configLoader) {
         Map<String, Integer> map = (Map<String, Integer>) o;
         Range amount = new Range(map.get("min"), map.get("max"));
         Range height = new Range(map.get("min-height"), map.get("max-height"));

common/src/main/java/com/dfsek/terra/config/loaders/config/OreHolderLoader.java

@@ -3,9 +3,9 @@ package com.dfsek.terra.config.loaders.config;
 import com.dfsek.tectonic.exception.LoadException;
 import com.dfsek.tectonic.loading.ConfigLoader;
 import com.dfsek.tectonic.loading.TypeLoader;
-import com.dfsek.terra.generation.items.ores.Ore;
+import com.dfsek.terra.population.items.ores.Ore;
-import com.dfsek.terra.generation.items.ores.OreConfig;
+import com.dfsek.terra.population.items.ores.OreConfig;
-import com.dfsek.terra.generation.items.ores.OreHolder;
+import com.dfsek.terra.population.items.ores.OreHolder;
 
 import java.lang.reflect.Type;
 import java.util.Map;

common/src/main/java/com/dfsek/terra/config/loaders/config/TreeLayerLoader.java

@@ -3,23 +3,20 @@ package com.dfsek.terra.config.loaders.config;
 import com.dfsek.tectonic.exception.LoadException;
 import com.dfsek.tectonic.loading.ConfigLoader;
 import com.dfsek.tectonic.loading.TypeLoader;
-import com.dfsek.terra.api.math.FastNoiseLite;
 import com.dfsek.terra.api.math.ProbabilityCollection;
 import com.dfsek.terra.api.math.Range;
-import com.dfsek.terra.api.platform.TerraPlugin;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.world.tree.Tree;
 import com.dfsek.terra.config.loaders.Types;
-import com.dfsek.terra.generation.items.tree.TreeLayer;
+import com.dfsek.terra.population.items.tree.TreeLayer;
 
 import java.lang.reflect.Type;
 import java.util.Map;
 
 @SuppressWarnings("unchecked")
 public class TreeLayerLoader implements TypeLoader<TreeLayer> {
-    private final TerraPlugin main;
 
-    public TreeLayerLoader(TerraPlugin main) {
+    public TreeLayerLoader() {
-        this.main = main;
     }
 
     @Override

common/src/main/java/com/dfsek/terra/config/templates/BiomeTemplate.java

@@ -5,6 +5,7 @@ import com.dfsek.tectonic.annotations.Default;
 import com.dfsek.tectonic.annotations.Value;
 import com.dfsek.tectonic.config.ValidatedConfigTemplate;
 import com.dfsek.tectonic.exception.ValidationException;
+import com.dfsek.terra.api.math.parsii.BlankFunction;
 import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.api.platform.block.BlockData;
 import com.dfsek.terra.api.platform.block.MaterialData;
@@ -15,11 +16,10 @@ import com.dfsek.terra.biome.palette.PaletteHolder;
 import com.dfsek.terra.biome.palette.SinglePalette;
 import com.dfsek.terra.carving.UserDefinedCarver;
 import com.dfsek.terra.config.base.ConfigPack;
-import com.dfsek.terra.generation.items.TerraStructure;
+import com.dfsek.terra.population.items.TerraStructure;
-import com.dfsek.terra.generation.items.flora.FloraLayer;
+import com.dfsek.terra.population.items.flora.FloraLayer;
-import com.dfsek.terra.generation.items.ores.OreHolder;
+import com.dfsek.terra.population.items.ores.OreHolder;
-import com.dfsek.terra.generation.items.tree.TreeLayer;
+import com.dfsek.terra.population.items.tree.TreeLayer;
-import com.dfsek.terra.math.BlankFunction;
 import parsii.eval.Parser;
 import parsii.eval.Scope;
 import parsii.tokenizer.ParseException;

common/src/main/java/com/dfsek/terra/config/templates/FloraTemplate.java

@@ -4,7 +4,7 @@ import com.dfsek.tectonic.annotations.Abstractable;
 import com.dfsek.tectonic.annotations.Default;
 import com.dfsek.tectonic.annotations.Value;
 import com.dfsek.terra.biome.palette.PaletteLayer;
-import com.dfsek.terra.generation.items.flora.TerraFlora;
+import com.dfsek.terra.population.items.flora.TerraFlora;
 import com.dfsek.terra.util.MaterialSet;
 
 import java.util.List;

common/src/main/java/com/dfsek/terra/config/templates/OreTemplate.java

@@ -5,7 +5,7 @@ import com.dfsek.tectonic.annotations.Default;
 import com.dfsek.tectonic.annotations.Value;
 import com.dfsek.terra.api.math.Range;
 import com.dfsek.terra.api.platform.block.BlockData;
-import com.dfsek.terra.generation.items.ores.Ore;
+import com.dfsek.terra.population.items.ores.Ore;
 import com.dfsek.terra.util.MaterialSet;
 
 @SuppressWarnings({"unused", "FieldMayBeFinal"})

common/src/main/java/com/dfsek/terra/config/templates/StructureTemplate.java

@@ -4,11 +4,11 @@ import com.dfsek.tectonic.annotations.Abstractable;
 import com.dfsek.tectonic.annotations.Default;
 import com.dfsek.tectonic.annotations.Value;
 import com.dfsek.tectonic.config.ConfigTemplate;
+import com.dfsek.terra.api.math.GridSpawn;
 import com.dfsek.terra.api.math.ProbabilityCollection;
 import com.dfsek.terra.api.math.Range;
 import com.dfsek.terra.api.structures.script.StructureScript;
 import com.dfsek.terra.api.util.GlueList;
-import com.dfsek.terra.procgen.GridSpawn;
 
 import java.util.List;
 

common/src/main/java/com/dfsek/terra/generation/MasterChunkGenerator.java

@@ -90,7 +90,6 @@ public class MasterChunkGenerator implements TerraChunkGenerator {
         TerraWorld tw = main.getWorld(world);
         com.dfsek.terra.api.world.biome.BiomeGrid grid = tw.getGrid();
         try(ProfileFuture ignore = tw.getProfiler().measure("TotalChunkGenTime")) {
-            try(ProfileFuture ignored = tw.getProfiler().measure("ChunkBaseGenTime")) {
                 if(!tw.isSafe()) return chunk;
                 int xOrig = (chunkX << 4);
                 int zOrig = (chunkZ << 4);
@@ -139,8 +138,6 @@ public class MasterChunkGenerator implements TerraChunkGenerator {
                         }
                     }
                 }
-            }
-
             return chunk;
         }
     }

common/src/main/java/com/dfsek/terra/generation/config/NoiseBuilder.java

@@ -3,7 +3,7 @@ package com.dfsek.terra.generation.config;
 import com.dfsek.tectonic.annotations.Default;
 import com.dfsek.tectonic.annotations.Value;
 import com.dfsek.tectonic.config.ConfigTemplate;
-import com.dfsek.terra.api.math.FastNoiseLite;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 
 public class NoiseBuilder implements ConfigTemplate {
     @Value("type")

common/src/main/java/com/dfsek/terra/generation/config/WorldGenerator.java

@@ -1,12 +1,12 @@
 package com.dfsek.terra.generation.config;
 
+import com.dfsek.terra.api.math.noise.NoiseFunction2;
+import com.dfsek.terra.api.math.noise.NoiseFunction3;
+import com.dfsek.terra.api.math.parsii.RandomFunction;
 import com.dfsek.terra.api.platform.block.BlockData;
 import com.dfsek.terra.api.world.biome.Generator;
 import com.dfsek.terra.api.world.palette.Palette;
 import com.dfsek.terra.biome.palette.PaletteHolder;
-import com.dfsek.terra.math.NoiseFunction2;
-import com.dfsek.terra.math.NoiseFunction3;
-import com.dfsek.terra.math.RandomFunction;
 import parsii.eval.Expression;
 import parsii.eval.Parser;
 import parsii.eval.Scope;

common/src/main/java/com/dfsek/terra/generation/math/Sampler.java

@@ -3,6 +3,7 @@ package com.dfsek.terra.generation.math;
 import com.dfsek.terra.api.platform.world.World;
 import com.dfsek.terra.biome.grid.master.TerraBiomeGrid;
 import com.dfsek.terra.generation.math.interpolation.ChunkInterpolator;
+import com.dfsek.terra.generation.math.interpolation.ElevationInterpolator;
 import net.jafama.FastMath;
 
 public class Sampler {

common/src/main/java/com/dfsek/terra/generation/math/interpolation/ElevationInterpolator.java

@@ -1,10 +1,9 @@
-package com.dfsek.terra.generation.math;
+package com.dfsek.terra.generation.math.interpolation;
 
 import com.dfsek.terra.api.platform.world.World;
 import com.dfsek.terra.api.world.biome.BiomeGrid;
 import com.dfsek.terra.api.world.generation.GenerationPhase;
 import com.dfsek.terra.generation.config.WorldGenerator;
-import com.dfsek.terra.generation.math.interpolation.Interpolator;
 import net.jafama.FastMath;
 
 public class ElevationInterpolator {

common/src/main/java/com/dfsek/terra/math/MathUtil.java

@@ -1,20 +0,0 @@
-package com.dfsek.terra.math;
-
-import com.dfsek.terra.generation.math.Sampler;
-
-public final class MathUtil {
-    private static final double CONST = 0.55;
-
-    public static double derivative(Sampler sampler, double x, double y, double z) {
-        double baseSample = sampler.sample(x, y, z);
-
-        double xVal1 = (sampler.sample(x + CONST, y, z) - baseSample) / CONST;
-        double xVal2 = (sampler.sample(x - CONST, y, z) - baseSample) / CONST;
-        double zVal1 = (sampler.sample(x, y, z + CONST) - baseSample) / CONST;
-        double zVal2 = (sampler.sample(x, y, z - CONST) - baseSample) / CONST;
-        double yVal1 = (sampler.sample(x, y + CONST, z) - baseSample) / CONST;
-        double yVal2 = (sampler.sample(x, y - CONST, z) - baseSample) / CONST;
-
-        return Math.sqrt(((xVal2 - xVal1) * (xVal2 - xVal1)) + ((zVal2 - zVal1) * (zVal2 - zVal1)) + ((yVal2 - yVal1) * (yVal2 - yVal1)));
-    }
-}

common/src/main/java/com/dfsek/terra/population/FloraPopulator.java

@@ -10,7 +10,7 @@ import com.dfsek.terra.api.world.generation.GenerationPhase;
 import com.dfsek.terra.api.world.generation.TerraBlockPopulator;
 import com.dfsek.terra.biome.UserDefinedBiome;
 import com.dfsek.terra.biome.grid.master.TerraBiomeGrid;
-import com.dfsek.terra.generation.items.flora.FloraLayer;
+import com.dfsek.terra.population.items.flora.FloraLayer;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.HashMap;

common/src/main/java/com/dfsek/terra/population/StructurePopulator.java

@@ -13,7 +13,7 @@ import com.dfsek.terra.api.world.generation.TerraBlockPopulator;
 import com.dfsek.terra.biome.UserDefinedBiome;
 import com.dfsek.terra.biome.grid.master.TerraBiomeGrid;
 import com.dfsek.terra.config.base.ConfigPack;
-import com.dfsek.terra.generation.items.TerraStructure;
+import com.dfsek.terra.population.items.TerraStructure;
 import net.jafama.FastMath;
 import org.jetbrains.annotations.NotNull;
 

common/src/main/java/com/dfsek/terra/population/TreePopulator.java

@@ -10,7 +10,7 @@ import com.dfsek.terra.api.world.generation.GenerationPhase;
 import com.dfsek.terra.api.world.generation.TerraBlockPopulator;
 import com.dfsek.terra.biome.UserDefinedBiome;
 import com.dfsek.terra.biome.grid.master.TerraBiomeGrid;
-import com.dfsek.terra.generation.items.tree.TreeLayer;
+import com.dfsek.terra.population.items.tree.TreeLayer;
 import net.jafama.FastMath;
 import org.jetbrains.annotations.NotNull;
 

common/src/main/java/com/dfsek/terra/population/items/PlaceableLayer.java

@@ -1,8 +1,8 @@
-package com.dfsek.terra.generation.items;
+package com.dfsek.terra.population.items;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
 import com.dfsek.terra.api.math.ProbabilityCollection;
 import com.dfsek.terra.api.math.Range;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.math.vector.Vector2;
 import com.dfsek.terra.api.platform.world.Chunk;
 

common/src/main/java/com/dfsek/terra/population/items/TerraStructure.java

@@ -1,10 +1,10 @@
-package com.dfsek.terra.generation.items;
+package com.dfsek.terra.population.items;
 
+import com.dfsek.terra.api.math.GridSpawn;
 import com.dfsek.terra.api.math.ProbabilityCollection;
 import com.dfsek.terra.api.math.Range;
 import com.dfsek.terra.api.structures.script.StructureScript;
 import com.dfsek.terra.config.templates.StructureTemplate;
-import com.dfsek.terra.procgen.GridSpawn;
 
 public class TerraStructure {
     private final ProbabilityCollection<StructureScript> structure;

common/src/main/java/com/dfsek/terra/population/items/flora/BlockFlora.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.generation.items.flora;
+package com.dfsek.terra.population.items.flora;
 
 import com.dfsek.terra.api.math.Range;
 import com.dfsek.terra.api.math.vector.Location;

common/src/main/java/com/dfsek/terra/population/items/flora/ConstantFlora.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.generation.items.flora;
+package com.dfsek.terra.population.items.flora;
 
 import com.dfsek.terra.api.math.Range;
 import com.dfsek.terra.api.math.vector.Location;

common/src/main/java/com/dfsek/terra/population/items/flora/FloraLayer.java

@@ -1,12 +1,12 @@
-package com.dfsek.terra.generation.items.flora;
+package com.dfsek.terra.population.items.flora;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
 import com.dfsek.terra.api.math.ProbabilityCollection;
 import com.dfsek.terra.api.math.Range;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.math.vector.Vector2;
 import com.dfsek.terra.api.platform.world.Chunk;
 import com.dfsek.terra.api.world.flora.Flora;
-import com.dfsek.terra.generation.items.PlaceableLayer;
+import com.dfsek.terra.population.items.PlaceableLayer;
 
 import java.util.Random;
 

common/src/main/java/com/dfsek/terra/population/items/flora/TerraFlora.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.generation.items.flora;
+package com.dfsek.terra.population.items.flora;
 
 import com.dfsek.terra.api.math.Range;
 import com.dfsek.terra.api.math.vector.Location;

common/src/main/java/com/dfsek/terra/population/items/ores/DeformedSphereOre.java

@@ -1,7 +1,7 @@
-package com.dfsek.terra.generation.items.ores;
+package com.dfsek.terra.population.items.ores;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
 import com.dfsek.terra.api.math.Range;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.math.vector.Vector3;
 import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.api.platform.block.Block;

common/src/main/java/com/dfsek/terra/population/items/ores/Ore.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.generation.items.ores;
+package com.dfsek.terra.population.items.ores;
 
 import com.dfsek.terra.api.math.vector.Vector3;
 import com.dfsek.terra.api.platform.TerraPlugin;

common/src/main/java/com/dfsek/terra/population/items/ores/OreConfig.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.generation.items.ores;
+package com.dfsek.terra.population.items.ores;
 
 import com.dfsek.terra.api.math.Range;
 

common/src/main/java/com/dfsek/terra/population/items/ores/OreHolder.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.generation.items.ores;
+package com.dfsek.terra.population.items.ores;
 
 import com.dfsek.terra.api.util.GlueList;
 

common/src/main/java/com/dfsek/terra/population/items/ores/VanillaOre.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.generation.items.ores;
+package com.dfsek.terra.population.items.ores;
 
 import com.dfsek.terra.api.math.Range;
 import com.dfsek.terra.api.math.vector.Vector3;

common/src/main/java/com/dfsek/terra/population/items/tree/TerraTree.java

@@ -1,4 +1,4 @@
-package com.dfsek.terra.generation.items.tree;
+package com.dfsek.terra.population.items.tree;
 
 import com.dfsek.terra.api.math.ProbabilityCollection;
 import com.dfsek.terra.api.math.vector.Location;

common/src/main/java/com/dfsek/terra/population/items/tree/TreeLayer.java

@@ -1,14 +1,14 @@
-package com.dfsek.terra.generation.items.tree;
+package com.dfsek.terra.population.items.tree;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
 import com.dfsek.terra.api.math.ProbabilityCollection;
 import com.dfsek.terra.api.math.Range;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.math.vector.Vector2;
 import com.dfsek.terra.api.platform.block.Block;
 import com.dfsek.terra.api.platform.block.BlockFace;
 import com.dfsek.terra.api.platform.world.Chunk;
 import com.dfsek.terra.api.world.tree.Tree;
-import com.dfsek.terra.generation.items.PlaceableLayer;
+import com.dfsek.terra.population.items.PlaceableLayer;
 
 import java.util.Random;
 

common/src/main/java/com/dfsek/terra/registry/FloraRegistry.java

@@ -4,7 +4,7 @@ import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.api.platform.block.BlockData;
 import com.dfsek.terra.api.platform.block.MaterialData;
 import com.dfsek.terra.api.world.flora.Flora;
-import com.dfsek.terra.generation.items.flora.ConstantFlora;
+import com.dfsek.terra.population.items.flora.ConstantFlora;
 import com.dfsek.terra.util.MaterialSet;
 
 import java.util.Arrays;

common/src/main/java/com/dfsek/terra/registry/OreRegistry.java

@@ -1,6 +1,6 @@
 package com.dfsek.terra.registry;
 
-import com.dfsek.terra.generation.items.ores.Ore;
+import com.dfsek.terra.population.items.ores.Ore;
 
 public class OreRegistry extends TerraRegistry<Ore> {
 }

common/src/main/java/com/dfsek/terra/registry/StructureRegistry.java

@@ -1,6 +1,6 @@
 package com.dfsek.terra.registry;
 
-import com.dfsek.terra.generation.items.TerraStructure;
+import com.dfsek.terra.population.items.TerraStructure;
 
 public class StructureRegistry extends TerraRegistry<TerraStructure> {
 }

common/src/main/java/com/dfsek/terra/util/MaterialSet.java

@@ -21,10 +21,6 @@ public class MaterialSet extends HashSet<MaterialData> {
         return set;
     }
 
-    public void addTag(String tag) {
-        this.addAll(TagUtil.getTag(tag));
-    }
-
     private void add(BlockData data) {
         add(data.getMaterial());
     }

common/src/main/java/com/dfsek/terra/util/PaletteUtil.java

@@ -1,11 +1,11 @@
 package com.dfsek.terra.util;
 
+import com.dfsek.terra.api.math.MathUtil;
 import com.dfsek.terra.api.platform.block.BlockData;
 import com.dfsek.terra.api.world.palette.Palette;
 import com.dfsek.terra.biome.palette.PaletteHolder;
 import com.dfsek.terra.config.templates.BiomeTemplate;
 import com.dfsek.terra.generation.math.Sampler;
-import com.dfsek.terra.math.MathUtil;
 
 public final class PaletteUtil {
     public static Palette<BlockData> getPalette(int x, int y, int z, BiomeTemplate c, Sampler sampler) {

common/src/main/java/com/dfsek/terra/util/StringUtils.java

@@ -1,14 +0,0 @@
-package com.dfsek.terra.util;
-
-public final class StringUtils {
-    /**
-     * Strip Minecraft namespace from string
-     *
-     * @param in String to strip namespace of
-     * @return Stripped string/
-     */
-    public static String stripMinecraftNamespace(String in) {
-        if(!in.startsWith("minecraft:")) return in;
-        return in.substring(10);
-    }
-}

common/src/main/java/com/dfsek/terra/util/TagUtil.java

@@ -1,77 +0,0 @@
-package com.dfsek.terra.util;
-
-import com.dfsek.terra.api.platform.block.MaterialData;
-import com.dfsek.terra.debug.Debug;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-@SuppressWarnings("unchecked")
-public final class TagUtil {
-    private static final Map<String, Set<MaterialData>> tagMap;
-
-    static {
-        Debug.info("Loading tags...");
-        tagMap = new HashMap<>();
-
-        /*
-        Field[] tags = Tag.class.getFields(); // Add Bukkit tags
-        for(Field field : tags) {
-            if(Modifier.isStatic(field.getModifiers())) {
-                try {
-                    Tag<Material> tag = (Tag<Material>) field.get(new Object());
-                    tagMap.put(tag.getKey().toString(), tag.getValues());
-                } catch(IllegalAccessException e) {
-                    e.printStackTrace();
-                } catch(ClassCastException ignore) {
-                }
-            }
-        }
-        putCustomSet("minecraft:base_stone_nether", Material.NETHERRACK, Material.BASALT, Material.BLACKSTONE);
-        putCustomSet("minecraft:base_stone_overworld", Material.STONE, Material.GRANITE, Material.DIORITE, Material.ANDESITE);
-
-        Set<Material> snow = new HashSet<>();
-        Set<Material> solid = new HashSet<>();
-        for(Material m : Material.values()) {
-            if(m.isSolid()) solid.add(m);
-            String name = m.toString().toLowerCase();
-            if(name.contains("slab")
-                    || name.contains("stair")
-                    || name.contains("wall")
-                    || name.contains("fence")
-                    || name.contains("lantern")
-                    || name.contains("chest")
-                    || name.contains("door")
-                    || name.contains("repeater")
-                    || name.equals("lily_pad")
-                    || name.equals("snow")
-                    || name.equals("pane")
-                    || !m.isSolid()) snow.add(m);
-        }
-        tagMap.put("com.dfsek.terra:snow_blacklist", snow);
-        tagMap.put("com.dfsek.terra:solid", solid);
-        Debug.info("Added " + snow.size() + " materials to snow blacklist");
-        Debug.info("Added " + solid.size() + " materials to solid list");
-        Debug.info("Loaded " + tagMap.size() + " tags.");
-
-         */
-    }
-
-    private static Set<MaterialData> getSet(MaterialData... materials) {
-        return Stream.of(materials).collect(Collectors.toSet());
-    }
-
-    private static void putCustomSet(String key, MaterialData... materials) {
-        tagMap.put(key, getSet(materials));
-    }
-
-    @NotNull
-    public static Set<MaterialData> getTag(String tag) {
-        return Objects.requireNonNull(tagMap.get(tag));
-    }
-}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/TerraBukkitPlugin.java

@@ -3,7 +3,7 @@ package com.dfsek.terra.bukkit;
 import com.dfsek.tectonic.loading.TypeRegistry;
 import com.dfsek.terra.TerraWorld;
 import com.dfsek.terra.api.GenericLoaders;
-import com.dfsek.terra.api.lang.Language;
+import com.dfsek.terra.api.language.Language;
 import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.api.platform.block.BlockData;
 import com.dfsek.terra.api.platform.block.MaterialData;
@@ -30,7 +30,6 @@ import com.dfsek.terra.config.lang.LangUtil;
 import com.dfsek.terra.debug.Debug;
 import com.dfsek.terra.generation.MasterChunkGenerator;
 import com.dfsek.terra.registry.ConfigRegistry;
-import com.dfsek.terra.util.StringUtils;
 import org.bstats.bukkit.Metrics;
 import org.bukkit.Bukkit;
 import org.bukkit.TreeType;
@@ -107,7 +106,7 @@ public class TerraBukkitPlugin extends JavaPlugin implements TerraPlugin {
                         .add("OAK", new BukkitTree(TreeType.TREE, this))
                         .add("MEGA_SPRUCE", new BukkitTree(TreeType.MEGA_REDWOOD, this))
                         .add("SWAMP_OAK", new BukkitTree(TreeType.SWAMP, this)))
-                .addTransform(id -> new BukkitTree(TreeType.valueOf(StringUtils.stripMinecraftNamespace(id)), this)) // Finally, try stripping minecraft namespace.
+                .addTransform(id -> new BukkitTree(TreeType.valueOf(id), this)) // Finally, try stripping minecraft namespace.
                 .build());
 
         saveDefaultConfig();

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/biome/BiomeInfoCommand.java

@@ -9,7 +9,7 @@ import com.dfsek.terra.carving.UserDefinedCarver;
 import com.dfsek.terra.config.base.ConfigPack;
 import com.dfsek.terra.config.lang.LangUtil;
 import com.dfsek.terra.config.templates.BiomeTemplate;
-import com.dfsek.terra.generation.items.TerraStructure;
+import com.dfsek.terra.population.items.TerraStructure;
 import org.bukkit.World;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/geometry/DeformedSphereCommand.java

@@ -1,13 +1,13 @@
 package com.dfsek.terra.bukkit.command.command.geometry;
 
-import com.dfsek.terra.api.math.FastNoiseLite;
+import com.dfsek.terra.api.math.noise.FastNoiseLite;
 import com.dfsek.terra.api.math.vector.Vector3;
+import com.dfsek.terra.api.math.voxel.DeformedSphere;
 import com.dfsek.terra.bukkit.BukkitCommandSender;
 import com.dfsek.terra.bukkit.BukkitPlayer;
 import com.dfsek.terra.bukkit.command.PlayerCommand;
 import com.dfsek.terra.bukkit.world.BukkitAdapter;
 import com.dfsek.terra.config.lang.LangUtil;
-import com.dfsek.terra.procgen.voxel.DeformedSphere;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/geometry/SphereCommand.java

@@ -1,12 +1,12 @@
 package com.dfsek.terra.bukkit.command.command.geometry;
 
 import com.dfsek.terra.api.math.vector.Vector3;
+import com.dfsek.terra.api.math.voxel.Sphere;
 import com.dfsek.terra.bukkit.BukkitCommandSender;
 import com.dfsek.terra.bukkit.BukkitPlayer;
 import com.dfsek.terra.bukkit.command.PlayerCommand;
 import com.dfsek.terra.bukkit.world.BukkitAdapter;
 import com.dfsek.terra.config.lang.LangUtil;
-import com.dfsek.terra.procgen.voxel.Sphere;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/geometry/TubeCommand.java

@@ -1,13 +1,13 @@
 package com.dfsek.terra.bukkit.command.command.geometry;
 
 import com.dfsek.terra.api.math.vector.Vector3;
+import com.dfsek.terra.api.math.voxel.Tube;
 import com.dfsek.terra.bukkit.BukkitCommandSender;
 import com.dfsek.terra.bukkit.command.PlayerCommand;
 import com.dfsek.terra.bukkit.structure.WorldEditUtil;
 import com.dfsek.terra.bukkit.util.BukkitConversions;
 import com.dfsek.terra.bukkit.world.BukkitAdapter;
 import com.dfsek.terra.config.lang.LangUtil;
-import com.dfsek.terra.procgen.voxel.Tube;
 import org.bukkit.Location;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/structure/LocateCommand.java

@@ -7,7 +7,7 @@ import com.dfsek.terra.bukkit.TerraBukkitPlugin;
 import com.dfsek.terra.bukkit.command.WorldCommand;
 import com.dfsek.terra.bukkit.world.BukkitAdapter;
 import com.dfsek.terra.config.lang.LangUtil;
-import com.dfsek.terra.generation.items.TerraStructure;
+import com.dfsek.terra.population.items.TerraStructure;
 import net.md_5.bungee.api.ChatColor;
 import net.md_5.bungee.api.chat.BaseComponent;
 import net.md_5.bungee.api.chat.ClickEvent;
@@ -32,7 +32,7 @@ public class LocateCommand extends WorldCommand {
         super(parent);
     }
 
-    @SuppressWarnings("DuplicatedCode")
+    @SuppressWarnings({"DuplicatedCode", "deprecation"})
     @Override
     public boolean execute(@NotNull Player sender, @NotNull Command command, @NotNull String label, @NotNull String[] args, World world) {
         String id = args[0];

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/listeners/SpigotListener.java

@@ -5,7 +5,7 @@ import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.async.AsyncStructureFinder;
 import com.dfsek.terra.bukkit.world.BukkitAdapter;
 import com.dfsek.terra.debug.Debug;
-import com.dfsek.terra.generation.items.TerraStructure;
+import com.dfsek.terra.population.items.TerraStructure;
 import org.bukkit.entity.EnderSignal;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.EntityType;

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/world/BukkitWorld.java

@@ -99,4 +99,9 @@ public class BukkitWorld implements World {
     public int hashCode() {
         return delegate.hashCode();
     }
+
+    @Override
+    public String toString() {
+        return delegate.toString();
+    }
 }

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/world/block/state/BukkitMobSpawner.java

@@ -97,7 +97,7 @@ public class BukkitMobSpawner extends BukkitBlockState implements MobSpawner {
         SerialState.parse(state).forEach((k, v) -> {
             switch(k) {
                 case "type":
-                    setSpawnedType(new BukkitEntityType(org.bukkit.entity.EntityType.valueOf(v)));
+                    setSpawnedType(new BukkitEntityType(org.bukkit.entity.EntityType.valueOf(v.toUpperCase())));
                     return;
                 case "delay":
                     setDelay(Integer.parseInt(v));

platforms/bukkit/src/main/resources/config.yml

@@ -6,6 +6,6 @@ biome-search-resolution: 4
 cache:
   carver: 512
   structure: 32
-  sampler: 512
+  sampler: 128
 master-disable:
   caves: false

platforms/fabric/src/main/java/com/dfsek/terra/fabric/TerraFabricPlugin.java

@@ -3,7 +3,7 @@ package com.dfsek.terra.fabric;
 import com.dfsek.tectonic.loading.TypeRegistry;
 import com.dfsek.terra.TerraWorld;
 import com.dfsek.terra.api.GenericLoaders;
-import com.dfsek.terra.api.lang.Language;
+import com.dfsek.terra.api.language.Language;
 import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.api.platform.block.BlockData;
 import com.dfsek.terra.api.platform.block.MaterialData;
@@ -25,7 +25,6 @@ import com.dfsek.terra.fabric.world.TerraBiomeSource;
 import com.dfsek.terra.fabric.world.features.PopulatorFeature;
 import com.dfsek.terra.fabric.world.generator.FabricChunkGeneratorWrapper;
 import com.dfsek.terra.registry.ConfigRegistry;
-import com.dfsek.terra.util.StringUtils;
 import net.fabricmc.api.EnvType;
 import net.fabricmc.api.ModInitializer;
 import net.fabricmc.loader.api.FabricLoader;
@@ -82,7 +81,6 @@ public class TerraFabricPlugin implements TerraPlugin, ModInitializer {
     private File config;
     private static final Transformer<String, ConfiguredFeature<?, ?>> TREE_TRANSFORMER = new Transformer.Builder<String, ConfiguredFeature<?, ?>>()
             .addTransform(TerraFabricPlugin::getFeature)
-            .addTransform(id -> getFeature(StringUtils.stripMinecraftNamespace(id)))
             .addTransform(new MapTransform<String, ConfiguredFeature<?, ?>>()
                     .add("BROWN_MUSHROOM", ConfiguredFeatures.BROWN_MUSHROOM_GIANT)
                     .add("RED_MUSHROOM", ConfiguredFeatures.RED_MUSHROOM_GIANT)

platforms/region/src/main/java/com/dfsek/terra/StandalonePlugin.java

@@ -2,7 +2,7 @@ package com.dfsek.terra;
 
 import com.dfsek.tectonic.loading.TypeRegistry;
 import com.dfsek.terra.api.GenericLoaders;
-import com.dfsek.terra.api.lang.Language;
+import com.dfsek.terra.api.language.Language;
 import com.dfsek.terra.api.platform.TerraPlugin;
 import com.dfsek.terra.api.platform.block.BlockData;
 import com.dfsek.terra.api.platform.block.MaterialData;