Possible hexmap fixes & tests

src/main/java/ru/bclib/api/biomes/BCLBiomeBuilder.java

@@ -26,8 +26,10 @@ import net.minecraft.world.level.levelgen.placement.PlacedFeature;
 import ru.bclib.util.ColorUtil;
 import ru.bclib.world.biomes.BCLBiome;
 import ru.bclib.world.features.BCLFeature;
+import ru.bclib.world.structures.BCLStructureFeature;
 
 import java.util.function.BiFunction;
+import java.util.function.Consumer;
 
 public class BCLBiomeBuilder {
 	private static final BCLBiomeBuilder INSTANCE = new BCLBiomeBuilder();
@@ -410,17 +412,25 @@ public class BCLBiomeBuilder {
 	 * Adds vanilla Mushrooms.
 	 * @return same {@link BCLBiomeBuilder} instance.
 	 */
-	public BCLBiomeBuilder defaultMushrooms(){
-		BiomeDefaultFeatures.addDefaultMushrooms(getGeneration());
-		return this;
+	public BCLBiomeBuilder defaultMushrooms() {
+		return feature(BiomeDefaultFeatures::addDefaultMushrooms);
 	}
 	
 	/**
 	 * Adds vanilla Nether Ores.
 	 * @return same {@link BCLBiomeBuilder} instance.
 	 */
-	public BCLBiomeBuilder netherDefaultOres(){
-		BiomeDefaultFeatures.addNetherDefaultOres(getGeneration());
+	public BCLBiomeBuilder netherDefaultOres() {
+		return feature(BiomeDefaultFeatures::addNetherDefaultOres);
+	}
+	
+	/**
+	 * Will add features into biome, used for vanilla feature adding functions.
+	 * @param featureAdd {@link Consumer} with {@link BiomeGenerationSettings.Builder}.
+	 * @return same {@link BCLBiomeBuilder} instance.
+	 */
+	public BCLBiomeBuilder feature(Consumer<BiomeGenerationSettings.Builder> featureAdd) {
+		featureAdd.accept(getGeneration());
 		return this;
 	}
 	
@@ -433,6 +443,11 @@ public class BCLBiomeBuilder {
 		return feature(feature.getDecoration(), feature.getPlacedFeature());
 	}
 	
+	// TODO Make feature registration
+	public BCLBiomeBuilder structure(BCLStructureFeature structure) {
+		return this;
+	}
+	
 	/**
 	 * Finalize biome creation.
 	 * @return created {@link BCLBiome} instance.

src/main/java/ru/bclib/world/generator/map/hex/HexBiomeChunk.java

@@ -65,6 +65,9 @@ public class HexBiomeChunk {
 		}
 		
 		for (short index = 0; index < SIZE; index++) {
+			if (outBuffer[index] == null) {
+				System.out.println("Buffer is null at " + index + ": " + (index >> SIDE_OFFSET) + " " + (index & SIDE_MASK));
+			}
 			if (outBuffer[index] != null && random.nextInt(4) == 0) {
 				circle(outBuffer, index, outBuffer[index].getSubBiome(random), outBuffer[index]);
 			}

src/main/java/ru/bclib/world/generator/map/hex/HexBiomeMap.java

@@ -48,16 +48,16 @@ public class HexBiomeMap implements BiomeMap {
 	
 	@Override
 	public BCLBiome getBiome(double x, double z) {
-		BCLBiome BCLBiome = getRawBiome(x, z);
-		if (BCLBiome!=null && BCLBiome.getEdge() != null) {
-			float offset = scale * BCLBiome.getEdgeSize();
+		BCLBiome biome = getRawBiome(x, z);
+		if (biome.getEdge() != null) {
+			float offset = scale * biome.getEdgeSize();
 			for (byte i = 0; i < 8; i++) {
-				if (getRawBiome(x + offset * EDGE_CIRCLE_X[i], z + offset * EDGE_CIRCLE_Z[i]) != BCLBiome) {
-					return BCLBiome.getEdge();
+				if (getRawBiome(x + offset * EDGE_CIRCLE_X[i], z + offset * EDGE_CIRCLE_Z[i]) != biome) {
+					return biome.getEdge();
 				}
 			}
 		}
-		return BCLBiome;
+		return biome;
 	}
 	
 	private BCLBiome getRawBiome(double x, double z) {
@@ -112,13 +112,18 @@ public class HexBiomeMap implements BiomeMap {
 			cz += 1;
 		}
 		
-		selector.setLocation(cx, cz);
-		HexBiomeChunk chunk = chunks.get(selector);
+		HexBiomeChunk chunk;
+		synchronized (selector) {
+			selector.setLocation(cx, cz);
+			chunk = chunks.get(selector);
+		}
+		
 		if (chunk == null) {
 			RANDOM.setSeed(MHelper.getSeed(seed, cx, cz));
 			chunk = new HexBiomeChunk(RANDOM, picker);
-			chunks.put(new Point(selector), chunk);
+			chunks.put(new Point(cx, cz), chunk);
 		}
+		
 		return chunk.getBiome(x, z);
 	}