cleanup generation code

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

@@ -37,16 +37,6 @@ public class UserDefinedBiome implements Biome {
         return vanilla;
     }
 
-    /**
-     * Gets the Generator instance used to generate the biome.
-     *
-     * @return Generator - The terrain generation instance.
-     */
-    @Override
-    public Generator getGenerator() {
-        return gen.build(0);
-    }
-
 
     public String getID() {
         return id;

common/src/main/java/com/dfsek/terra/biome/grid/master/TerraBiomeGrid.java

@@ -27,6 +27,8 @@ public abstract class TerraBiomeGrid extends BiomeGrid {
         RADIAL, STANDARD
     }
 
+    public abstract boolean isEroded(int x, int z);
+
     public static final class TerraBiomeGridBuilder {
         private final long seed;
         private final ConfigPack config;

common/src/main/java/com/dfsek/terra/biome/grid/master/TerraRadialBiomeGrid.java

@@ -15,7 +15,6 @@ import com.dfsek.terra.config.base.ConfigPackTemplate;
 import net.jafama.FastMath;
 
 public class TerraRadialBiomeGrid extends TerraBiomeGrid {
-    private static final int failNum = 0;
     private final double radiusSq;
     private final BiomeGrid internal;
     private CoordinatePerturb perturb;
@@ -39,6 +38,11 @@ public class TerraRadialBiomeGrid extends TerraBiomeGrid {
         return (UserDefinedGrid) zone.getGrid(x, z);
     }
 
+    @Override
+    public boolean isEroded(int x, int z) {
+        return erode != null && erode.isEroded(x, z);
+    }
+
     @Override
     public Biome getBiome(int x, int z, GenerationPhase phase) {
         int xp = x, zp = z;
@@ -54,7 +58,7 @@ public class TerraRadialBiomeGrid extends TerraBiomeGrid {
         } else {
             b = (UserDefinedBiome) internal.getBiome(xp, zp, phase);
         }
-        if(erode != null && erode.isEroded(xp, zp)) return b.getErode();
+        if(isEroded(xp, zp)) return b.getErode();
         return b;
     }
 

common/src/main/java/com/dfsek/terra/biome/grid/master/TerraStandardBiomeGrid.java

@@ -13,7 +13,6 @@ import com.dfsek.terra.config.base.ConfigPack;
 import com.dfsek.terra.config.base.ConfigPackTemplate;
 
 public class TerraStandardBiomeGrid extends TerraBiomeGrid {
-    private static final int failNum = 0;
     private CoordinatePerturb perturb;
     private ErosionNoise erode;
 
@@ -33,6 +32,11 @@ public class TerraStandardBiomeGrid extends TerraBiomeGrid {
         return (UserDefinedGrid) zone.getGrid(x, z);
     }
 
+    @Override
+    public boolean isEroded(int x, int z) {
+        return erode != null && erode.isEroded(x, z);
+    }
+
     @Override
     public Biome getBiome(int x, int z, GenerationPhase phase) {
         int xp = x, zp = z;
@@ -43,10 +47,11 @@ public class TerraStandardBiomeGrid extends TerraBiomeGrid {
         }
 
         UserDefinedBiome b = (UserDefinedBiome) zone.getGrid(xp, zp).getBiome(xp, zp, phase);
-        if(erode != null && erode.isEroded(xp, zp)) return b.getErode();
+        if(isEroded(xp, zp)) return b.getErode();
         return b;
     }
 
+
     @Override
     public Biome getBiome(Location l, GenerationPhase phase) {
         return getBiome(l.getBlockX(), l.getBlockZ(), phase);