Simplified BiomeDecider

src/main/java/org/betterx/bclib/api/v2/generator/TypeBiomeDecider.java

@@ -0,0 +1,24 @@
+package org.betterx.bclib.api.v2.generator;
+
+import org.betterx.bclib.api.v2.levelgen.biomes.BiomeAPI;
+
+import net.minecraft.core.Registry;
+import net.minecraft.world.level.biome.Biome;
+
+public abstract class TypeBiomeDecider extends BiomeDecider {
+    protected final BiomeAPI.BiomeType assignedType;
+
+    public TypeBiomeDecider(BiomeAPI.BiomeType assignedType) {
+        this(null, assignedType);
+    }
+
+    protected TypeBiomeDecider(Registry<Biome> biomeRegistry, BiomeAPI.BiomeType assignedType) {
+        super(biomeRegistry, (biome) -> biome.getIntendedType().is(assignedType));
+        this.assignedType = assignedType;
+    }
+
+    @Override
+    public boolean canProvideBiome(BiomeAPI.BiomeType suggestedType) {
+        return suggestedType.equals(assignedType);
+    }
+}

src/main/java/org/betterx/bclib/api/v2/levelgen/biomes/BiomeAPI.java

@@ -194,6 +194,19 @@ public class BiomeAPI {
             if (parentOrNull != null) str += " -> " + parentOrNull;
             return str;
         }
+
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) return true;
+            if (o == null || getClass() != o.getClass()) return false;
+            BiomeType biomeType = (BiomeType) o;
+            return name.equals(biomeType.name);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(name);
+        }
     }
 
     /**