Begin work on languages, general cleanup, fix minor local sea level issues.

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

@@ -1,11 +1,22 @@
 package com.dfsek.terra.biome;
 
+import com.dfsek.terra.procgen.math.Vector2;
 import org.polydev.gaea.math.FastNoise;
 
+/**
+ * Offset a coordinate pair by an amount.
+ */
 public class CoordinatePerturb {
     private final FastNoise perturbX;
     private final FastNoise perturbZ;
     private final int amplitude;
+
+    /**
+     * Create a CoordinatePerturb object with a given frequency, amplitude, and seed.
+     * @param frequency Noise frequency
+     * @param amplitude Offset amplitude
+     * @param seed Noise seed
+     */
     public CoordinatePerturb(float frequency, int amplitude, long seed) {
         perturbX = new FastNoise((int) seed);
         perturbX.setNoiseType(FastNoise.NoiseType.Simplex);
@@ -15,7 +26,14 @@ public class CoordinatePerturb {
         perturbZ.setFrequency(frequency);
         this.amplitude = amplitude;
     }
-    public int[] getShiftedCoords(int x, int z) {
-        return new int[] {(int) (perturbX.getNoise(x, z)*amplitude+x), (int) (perturbZ.getNoise(x, z)*amplitude+z)};
+
+    /**
+     * Offset a coordinate pair
+     * @param x X coordinate
+     * @param z Z coordinate
+     * @return Vector2 containing offset coordinates
+     */
+    public Vector2 getShiftedCoords(int x, int z) {
+        return new Vector2(perturbX.getNoise(x, z)*amplitude+x, perturbZ.getNoise(x, z)*amplitude+z);
     }
 }

src/main/java/com/dfsek/terra/biome/TerraBiomeGrid.java

@@ -2,6 +2,7 @@ package com.dfsek.terra.biome;
 
 import com.dfsek.terra.config.base.ConfigPack;
 import com.dfsek.terra.config.base.ConfigUtil;
+import com.dfsek.terra.procgen.math.Vector2;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.World;
@@ -19,14 +20,12 @@ public class TerraBiomeGrid extends BiomeGrid {
     private UserDefinedGrid erosionGrid;
 
     private final BiomeZone zone;
-    private final boolean perturbPaletteOnly;
 
     public TerraBiomeGrid(World w, float freq1, float freq2, BiomeZone zone, ConfigPack c, UserDefinedGrid erosion) {
         super(w, freq1, freq2);
         if(c.biomeBlend) {
             perturb = new CoordinatePerturb(c.blendFreq, c.blendAmp, w.getSeed());
         }
-        perturbPaletteOnly = c.perturbPaletteOnly;
         this.zone = zone;
         if(c.erosionEnable) {
             erode = new ErosionNoise(c.erosionFreq, c.erosionThresh, w.getSeed());
@@ -38,10 +37,10 @@ public class TerraBiomeGrid extends BiomeGrid {
     public Biome getBiome(int x, int z, GenerationPhase phase) {
         int xp = x;
         int zp = z;
-        if(perturb != null && (!perturbPaletteOnly || phase.equals(GenerationPhase.PALETTE_APPLY))) {
-            int[] perturbCoords = perturb.getShiftedCoords(x, z);
-            xp = perturbCoords[0];
-            zp = perturbCoords[1];
+        if(perturb != null && phase.equals(GenerationPhase.PALETTE_APPLY)) {
+            Vector2 perturbCoords = perturb.getShiftedCoords(x, z);
+            xp = (int) perturbCoords.getX();
+            zp = (int) perturbCoords.getZ();
         }
 
         UserDefinedBiome b;

src/main/java/com/dfsek/terra/biome/UserDefinedBiome.java

@@ -9,6 +9,9 @@ import org.polydev.gaea.structures.features.Feature;
 
 import java.util.List;
 
+/**
+ * Class representing a config-defined biome
+ */
 public class UserDefinedBiome implements Biome {
     private final UserDefinedGenerator gen;
     private final UserDefinedDecorator decorator;