package net.minecraft.world.level.levelgen.feature; import com.mojang.serialization.Codec; import com.mojang.serialization.codecs.RecordCodecBuilder; import java.util.List; import net.minecraft.core.Holder; import net.minecraft.resources.ResourceLocation; import net.minecraft.world.level.levelgen.feature.configurations.FeatureConfiguration; import net.minecraft.world.level.levelgen.structure.templatesystem.StructureProcessorList; import net.minecraft.world.level.levelgen.structure.templatesystem.StructureProcessorType; public class FossilFeatureConfiguration implements FeatureConfiguration { public static final Codec CODEC = RecordCodecBuilder.create( instance -> instance.group( ResourceLocation.CODEC.listOf().fieldOf("fossil_structures").forGetter(fossilFeatureConfiguration -> fossilFeatureConfiguration.fossilStructures), ResourceLocation.CODEC.listOf().fieldOf("overlay_structures").forGetter(fossilFeatureConfiguration -> fossilFeatureConfiguration.overlayStructures), StructureProcessorType.LIST_CODEC.fieldOf("fossil_processors").forGetter(fossilFeatureConfiguration -> fossilFeatureConfiguration.fossilProcessors), StructureProcessorType.LIST_CODEC.fieldOf("overlay_processors").forGetter(fossilFeatureConfiguration -> fossilFeatureConfiguration.overlayProcessors), Codec.intRange(0, 7).fieldOf("max_empty_corners_allowed").forGetter(fossilFeatureConfiguration -> fossilFeatureConfiguration.maxEmptyCornersAllowed) ) .apply(instance, FossilFeatureConfiguration::new) ); public final List fossilStructures; public final List overlayStructures; public final Holder fossilProcessors; public final Holder overlayProcessors; public final int maxEmptyCornersAllowed; public FossilFeatureConfiguration( List fossilStructures, List overlayStructures, Holder fossilProcessors, Holder overlayProcessors, int maxEmptyCornersAllowed ) { if (fossilStructures.isEmpty()) { throw new IllegalArgumentException("Fossil structure lists need at least one entry"); } else if (fossilStructures.size() != overlayStructures.size()) { throw new IllegalArgumentException("Fossil structure lists must be equal lengths"); } else { this.fossilStructures = fossilStructures; this.overlayStructures = overlayStructures; this.fossilProcessors = fossilProcessors; this.overlayProcessors = overlayProcessors; this.maxEmptyCornersAllowed = maxEmptyCornersAllowed; } } }