biome source meta-fication

common/src/main/java/com/dfsek/terra/api/util/collections/ProbabilityCollection.java

@@ -58,6 +58,10 @@ public class ProbabilityCollection<E> implements Collection<E> {
         return newCollection;
     }
 
+    public <T> ProbabilityCollection<T> map(Function<E, T> mapper) {
+        return map(mapper, true);
+    }
+
     public int getTotalProbability() {
         return array.length;
     }

common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/source/NoiseSourceTemplate.java

@@ -1,21 +1,23 @@
 package com.dfsek.terra.config.loaders.config.biome.templates.source;
 
 import com.dfsek.tectonic.annotations.Value;
+import com.dfsek.terra.api.config.meta.MetaValue;
 import com.dfsek.terra.api.util.collections.ProbabilityCollection;
 import com.dfsek.terra.api.util.seeded.NoiseSeeded;
 import com.dfsek.terra.api.world.biome.pipeline.source.BiomeSource;
 import com.dfsek.terra.api.world.biome.pipeline.source.RandomSource;
 import com.dfsek.terra.config.builder.BiomeBuilder;
 
+@SuppressWarnings("unused")
 public class NoiseSourceTemplate extends SourceTemplate {
     @Value("noise")
-    private NoiseSeeded noise;
+    private MetaValue<NoiseSeeded> noise;
 
     @Value("biomes")
-    private ProbabilityCollection<BiomeBuilder> biomes;
+    private ProbabilityCollection<MetaValue<BiomeBuilder>> biomes;
 
     @Override
     public BiomeSource apply(Long seed) {
-        return new RandomSource(biomes.map((biome) -> biome.apply(seed), false), noise.apply(seed));
+        return new RandomSource(biomes.map((biome) -> biome.get().apply(seed), false), noise.get().apply(seed));
     }
 }