Possibility to change biome generator

src/main/java/ru/bclib/interfaces/BiomeMap.java

@@ -0,0 +1,9 @@
+package ru.bclib.interfaces;
+
+import ru.bclib.world.biomes.BCLBiome;
+
+public interface BiomeMap {
+	void clearCache();
+	
+	BCLBiome getBiome(double x, double z);
+}

src/main/java/ru/bclib/world/generator/BCLibEndBiomeSource.java

@@ -18,9 +18,11 @@ import ru.bclib.BCLib;
 import ru.bclib.api.biomes.BiomeAPI;
 import ru.bclib.config.ConfigKeeper.StringArrayEntry;
 import ru.bclib.config.Configs;
+import ru.bclib.interfaces.BiomeMap;
 import ru.bclib.noise.OpenSimplexNoise;
 import ru.bclib.world.biomes.BCLBiome;
 import ru.bclib.world.generator.map.hex.HexBiomeMap;
+import ru.bclib.world.generator.map.square.SquareBiomeMap;
 
 import java.awt.Point;
 import java.util.List;
@@ -40,8 +42,8 @@ public class BCLibEndBiomeSource extends BiomeSource {
 	private final SimplexNoise noise;
 	private final Biome centerBiome;
 	private final Biome barrens;
-	private HexBiomeMap mapLand;
+	private BiomeMap mapLand;
-	private HexBiomeMap mapVoid;
+	private BiomeMap mapVoid;
 	private final long seed;
 	private final Point pos;
 	
@@ -75,8 +77,15 @@ public class BCLibEndBiomeSource extends BiomeSource {
 		BiomeAPI.END_LAND_BIOME_PICKER.rebuild();
 		BiomeAPI.END_VOID_BIOME_PICKER.rebuild();
 		
+		if (GeneratorOptions.useOldBiomeGenerator()) {
+			this.mapLand = new SquareBiomeMap(seed, GeneratorOptions.getBiomeSizeEndLand(), BiomeAPI.END_LAND_BIOME_PICKER);
+			this.mapVoid = new SquareBiomeMap(seed, GeneratorOptions.getBiomeSizeEndVoid(), BiomeAPI.END_VOID_BIOME_PICKER);
+		}
+		else {
 			this.mapLand = new HexBiomeMap(seed, GeneratorOptions.getBiomeSizeEndLand(), BiomeAPI.END_LAND_BIOME_PICKER);
 			this.mapVoid = new HexBiomeMap(seed, GeneratorOptions.getBiomeSizeEndVoid(), BiomeAPI.END_VOID_BIOME_PICKER);
+		}
+		
 		this.centerBiome = biomeRegistry.getOrThrow(Biomes.THE_END);
 		this.barrens = biomeRegistry.getOrThrow(Biomes.END_BARRENS);
 		this.biomeRegistry = biomeRegistry;

src/main/java/ru/bclib/world/generator/BCLibNetherBiomeSource.java

@@ -13,8 +13,10 @@ import ru.bclib.BCLib;
 import ru.bclib.api.biomes.BiomeAPI;
 import ru.bclib.config.ConfigKeeper.StringArrayEntry;
 import ru.bclib.config.Configs;
+import ru.bclib.interfaces.BiomeMap;
 import ru.bclib.world.biomes.BCLBiome;
 import ru.bclib.world.generator.map.hex.HexBiomeMap;
+import ru.bclib.world.generator.map.square.SquareBiomeMap;
 
 import java.util.LinkedList;
 import java.util.List;
@@ -29,7 +31,7 @@ public class BCLibNetherBiomeSource extends BiomeSource {
 		})).apply(instance, instance.stable(BCLibNetherBiomeSource::new));
 	});
 	private final Registry<Biome> biomeRegistry;
-	private HexBiomeMap biomeMap;
+	private BiomeMap biomeMap;
 	private final long seed;
 	
 	@Deprecated(forRemoval = true)
@@ -60,7 +62,13 @@ public class BCLibNetherBiomeSource extends BiomeSource {
 		BiomeAPI.NETHER_BIOME_PICKER.getBiomes().forEach(biome -> biome.updateActualBiomes(biomeRegistry));
 		BiomeAPI.NETHER_BIOME_PICKER.rebuild();
 		
+		if (GeneratorOptions.useOldBiomeGenerator()) {
+			this.biomeMap = new SquareBiomeMap(seed, GeneratorOptions.getBiomeSizeNether(), BiomeAPI.NETHER_BIOME_PICKER);
+		}
+		else {
 			this.biomeMap = new HexBiomeMap(seed, GeneratorOptions.getBiomeSizeNether(), BiomeAPI.NETHER_BIOME_PICKER);
+		}
+		
 		this.biomeRegistry = biomeRegistry;
 		this.seed = seed;
 

src/main/java/ru/bclib/world/generator/GeneratorOptions.java

@@ -16,6 +16,7 @@ public class GeneratorOptions {
 	private static boolean customEndBiomeSource = true;
 	private static boolean addNetherBiomesByCategory = false;
 	private static boolean addEndBiomesByCategory = false;
+	private static boolean useOldBiomeGenerator = false;
 	
 	public static void init() {
 		biomeSizeNether = Configs.GENERATOR_CONFIG.getInt("nether.biomeMap", "biomeSize", 256);
@@ -25,6 +26,7 @@ public class GeneratorOptions {
 		customEndBiomeSource = Configs.GENERATOR_CONFIG.getBoolean("options", "customEndBiomeSource", true);
 		addNetherBiomesByCategory = Configs.GENERATOR_CONFIG.getBoolean("options", "addNetherBiomesByCategory", false);
 		addEndBiomesByCategory = Configs.GENERATOR_CONFIG.getBoolean("options", "addEndBiomesByCategory", false);
+		useOldBiomeGenerator = Configs.GENERATOR_CONFIG.getBoolean("options", "useOldBiomeGenerator", false);
 	}
 	
 	public static int getBiomeSizeNether() {
@@ -70,4 +72,8 @@ public class GeneratorOptions {
 	public static boolean addEndBiomesByCategory() {
 		return addEndBiomesByCategory;
 	}
+	
+	public static boolean useOldBiomeGenerator() {
+		return useOldBiomeGenerator;
+	}
 }

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

@@ -1,5 +1,6 @@
 package ru.bclib.world.generator.map.hex;
 
+import ru.bclib.interfaces.BiomeMap;
 import ru.bclib.noise.OpenSimplexNoise;
 import ru.bclib.util.MHelper;
 import ru.bclib.world.biomes.BCLBiome;
@@ -9,7 +10,7 @@ import java.awt.Point;
 import java.util.HashMap;
 import java.util.Random;
 
-public class HexBiomeMap {
+public class HexBiomeMap implements BiomeMap {
 	private static final float RAD_INNER = (float) Math.sqrt(3.0) * 0.5F;
 	private static final float COEF = 0.25F * (float) Math.sqrt(3.0);
 	private static final float COEF_HALF = COEF * 0.5F;
@@ -38,12 +39,14 @@ public class HexBiomeMap {
 		this.seed = (int) (seed & 0xFFFFFFFF);
 	}
 	
+	@Override
 	public void clearCache() {
 		if (chunks.size() > 127) {
 			chunks.clear();
 		}
 	}
 	
+	@Override
 	public BCLBiome getBiome(double x, double z) {
 		BCLBiome BCLBiome = getRawBiome(x, z);
 		if (BCLBiome.getEdge() != null) {

src/main/java/ru/bclib/world/generator/map/square/SquareBiomeChunk.java

@@ -5,7 +5,6 @@ import ru.bclib.world.generator.BiomePicker;
 
 import java.util.Random;
 
-@Deprecated
 public class SquareBiomeChunk {
 	private static final int BIT_OFFSET = 4;
 	protected static final int WIDTH = 1 << BIT_OFFSET;
@@ -19,7 +18,7 @@ public class SquareBiomeChunk {
 	
 	private final BCLBiome[] biomes;
 	
-	public SquareBiomeChunk(SquareBiomeMap map, Random random, BiomePicker picker) {
+	public SquareBiomeChunk(Random random, BiomePicker picker) {
 		BCLBiome[] PreBio = new BCLBiome[SM_CAPACITY];
 		biomes = new BCLBiome[CAPACITY];
 		

src/main/java/ru/bclib/world/generator/map/square/SquareBiomeMap.java

@@ -4,6 +4,7 @@ import com.google.common.collect.Maps;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.levelgen.LegacyRandomSource;
 import net.minecraft.world.level.levelgen.WorldgenRandom;
+import ru.bclib.interfaces.BiomeMap;
 import ru.bclib.noise.OpenSimplexNoise;
 import ru.bclib.util.MHelper;
 import ru.bclib.world.biomes.BCLBiome;
@@ -11,24 +12,23 @@ import ru.bclib.world.generator.BiomePicker;
 
 import java.util.Map;
 
-@Deprecated
+public class SquareBiomeMap implements BiomeMap {
-public class SquareBiomeMap {
-	private final WorldgenRandom RANDOM;
-	
 	private final Map<ChunkPos, SquareBiomeChunk> maps = Maps.newHashMap();
-	private final int size;
-	private final int sizeXZ;
-	private final int depth;
 	private final OpenSimplexNoise noiseX;
 	private final OpenSimplexNoise noiseZ;
+	private final WorldgenRandom random;
 	private final BiomePicker picker;
+	
 	private final long seed;
+	private final int sizeXZ;
+	private final int depth;
+	private final int size;
 	
 	public SquareBiomeMap(long seed, int size, BiomePicker picker) {
 		maps.clear();
-		RANDOM = new WorldgenRandom(new LegacyRandomSource(seed));
+		random = new WorldgenRandom(new LegacyRandomSource(seed));
-		noiseX = new OpenSimplexNoise(RANDOM.nextLong());
+		noiseX = new OpenSimplexNoise(random.nextLong());
-		noiseZ = new OpenSimplexNoise(RANDOM.nextLong());
+		noiseZ = new OpenSimplexNoise(random.nextLong());
 		this.sizeXZ = size;
 		depth = (int) Math.ceil(Math.log(size) / Math.log(2)) - 2;
 		this.size = 1 << depth;
@@ -36,57 +36,15 @@ public class SquareBiomeMap {
 		this.seed = seed;
 	}
 	
-	public long getSeed() {
+	@Override
-		return seed;
-	}
-	
 	public void clearCache() {
 		if (maps.size() > 32) {
 			maps.clear();
 		}
 	}
 	
-	private BCLBiome getRawBiome(int bx, int bz) {
+	@Override
-		double x = (double) bx * size / sizeXZ;
+	public BCLBiome getBiome(double x, double z) {
-		double z = (double) bz * size / sizeXZ;
-		double nx = x;
-		double nz = z;
-		
-		double px = bx * 0.2;
-		double pz = bz * 0.2;
-		
-		for (int i = 0; i < depth; i++) {
-			nx = (x + noiseX.eval(px, pz)) / 2F;
-			nz = (z + noiseZ.eval(px, pz)) / 2F;
-			
-			x = nx;
-			z = nz;
-			
-			px = px / 2 + i;
-			pz = pz / 2 + i;
-		}
-		
-		bx = MHelper.floor(x);
-		bz = MHelper.floor(z);
-		if ((bx & SquareBiomeChunk.MASK_WIDTH) == SquareBiomeChunk.MASK_WIDTH) {
-			x += (bz / 2) & 1;
-		}
-		if ((bz & SquareBiomeChunk.MASK_WIDTH) == SquareBiomeChunk.MASK_WIDTH) {
-			z += (bx / 2) & 1;
-		}
-		
-		ChunkPos cpos = new ChunkPos(MHelper.floor(x / SquareBiomeChunk.WIDTH), MHelper.floor(z / SquareBiomeChunk.WIDTH));
-		SquareBiomeChunk chunk = maps.get(cpos);
-		if (chunk == null) {
-			RANDOM.setLargeFeatureWithSalt(0, cpos.x, cpos.z, 0);
-			chunk = new SquareBiomeChunk(this, RANDOM, picker);
-			maps.put(cpos, chunk);
-		}
-		
-		return chunk.getBiome(MHelper.floor(x), MHelper.floor(z));
-	}
-	
-	public BCLBiome getBiome(int x, int z) {
 		BCLBiome biome = getRawBiome(x, z);
 		
 		if (biome.getEdge() != null || (biome.getParentBiome() != null && biome.getParentBiome().getEdge() != null)) {
@@ -112,4 +70,44 @@ public class SquareBiomeMap {
 		
 		return biome;
 	}
+	
+	private BCLBiome getRawBiome(double bx, double bz) {
+		double x = bx * size / sizeXZ;
+		double z = bz * size / sizeXZ;
+		double nx = x;
+		double nz = z;
+		
+		double px = bx * 0.2;
+		double pz = bz * 0.2;
+		
+		for (int i = 0; i < depth; i++) {
+			nx = (x + noiseX.eval(px, pz)) / 2F;
+			nz = (z + noiseZ.eval(px, pz)) / 2F;
+			
+			x = nx;
+			z = nz;
+			
+			px = px / 2 + i;
+			pz = pz / 2 + i;
+		}
+		
+		int ix = MHelper.floor(x);
+		int iz = MHelper.floor(z);
+		if ((ix & SquareBiomeChunk.MASK_WIDTH) == SquareBiomeChunk.MASK_WIDTH) {
+			x += (iz / 2) & 1;
+		}
+		if ((iz & SquareBiomeChunk.MASK_WIDTH) == SquareBiomeChunk.MASK_WIDTH) {
+			z += (ix / 2) & 1;
+		}
+		
+		ChunkPos cpos = new ChunkPos(MHelper.floor(x / SquareBiomeChunk.WIDTH), MHelper.floor(z / SquareBiomeChunk.WIDTH));
+		SquareBiomeChunk chunk = maps.get(cpos);
+		if (chunk == null) {
+			random.setLargeFeatureWithSalt(0, cpos.x, cpos.z, 0);
+			chunk = new SquareBiomeChunk(random, picker);
+			maps.put(cpos, chunk);
+		}
+		
+		return chunk.getBiome(MHelper.floor(x), MHelper.floor(z));
+	}
 }