110 lines
5.7 KiB
Java
110 lines
5.7 KiB
Java
package net.minecraft.data.worldgen.placement;
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import java.util.List;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Holder;
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import net.minecraft.core.registries.Registries;
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import net.minecraft.data.worldgen.BootstrapContext;
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import net.minecraft.resources.ResourceKey;
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import net.minecraft.resources.ResourceLocation;
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import net.minecraft.util.random.WeightedList;
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import net.minecraft.util.valueproviders.ConstantInt;
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import net.minecraft.util.valueproviders.IntProvider;
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import net.minecraft.util.valueproviders.WeightedListInt;
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import net.minecraft.world.level.block.Block;
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import net.minecraft.world.level.levelgen.Heightmap;
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import net.minecraft.world.level.levelgen.VerticalAnchor;
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import net.minecraft.world.level.levelgen.blockpredicates.BlockPredicate;
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import net.minecraft.world.level.levelgen.feature.ConfiguredFeature;
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import net.minecraft.world.level.levelgen.feature.Feature;
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import net.minecraft.world.level.levelgen.feature.configurations.FeatureConfiguration;
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import net.minecraft.world.level.levelgen.placement.BlockPredicateFilter;
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import net.minecraft.world.level.levelgen.placement.CountPlacement;
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import net.minecraft.world.level.levelgen.placement.HeightRangePlacement;
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import net.minecraft.world.level.levelgen.placement.HeightmapPlacement;
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import net.minecraft.world.level.levelgen.placement.PlacedFeature;
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import net.minecraft.world.level.levelgen.placement.PlacementFilter;
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import net.minecraft.world.level.levelgen.placement.PlacementModifier;
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public class PlacementUtils {
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public static final PlacementModifier HEIGHTMAP = HeightmapPlacement.onHeightmap(Heightmap.Types.MOTION_BLOCKING);
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public static final PlacementModifier HEIGHTMAP_NO_LEAVES = HeightmapPlacement.onHeightmap(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES);
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public static final PlacementModifier HEIGHTMAP_TOP_SOLID = HeightmapPlacement.onHeightmap(Heightmap.Types.OCEAN_FLOOR_WG);
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public static final PlacementModifier HEIGHTMAP_WORLD_SURFACE = HeightmapPlacement.onHeightmap(Heightmap.Types.WORLD_SURFACE_WG);
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public static final PlacementModifier HEIGHTMAP_OCEAN_FLOOR = HeightmapPlacement.onHeightmap(Heightmap.Types.OCEAN_FLOOR);
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public static final PlacementModifier FULL_RANGE = HeightRangePlacement.uniform(VerticalAnchor.bottom(), VerticalAnchor.top());
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public static final PlacementModifier RANGE_10_10 = HeightRangePlacement.uniform(VerticalAnchor.aboveBottom(10), VerticalAnchor.belowTop(10));
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public static final PlacementModifier RANGE_8_8 = HeightRangePlacement.uniform(VerticalAnchor.aboveBottom(8), VerticalAnchor.belowTop(8));
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public static final PlacementModifier RANGE_4_4 = HeightRangePlacement.uniform(VerticalAnchor.aboveBottom(4), VerticalAnchor.belowTop(4));
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public static final PlacementModifier RANGE_BOTTOM_TO_MAX_TERRAIN_HEIGHT = HeightRangePlacement.uniform(VerticalAnchor.bottom(), VerticalAnchor.absolute(256));
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public static void bootstrap(BootstrapContext<PlacedFeature> context) {
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AquaticPlacements.bootstrap(context);
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CavePlacements.bootstrap(context);
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EndPlacements.bootstrap(context);
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MiscOverworldPlacements.bootstrap(context);
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NetherPlacements.bootstrap(context);
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OrePlacements.bootstrap(context);
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TreePlacements.bootstrap(context);
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VegetationPlacements.bootstrap(context);
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VillagePlacements.bootstrap(context);
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}
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public static ResourceKey<PlacedFeature> createKey(String key) {
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return ResourceKey.create(Registries.PLACED_FEATURE, ResourceLocation.withDefaultNamespace(key));
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}
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public static void register(
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BootstrapContext<PlacedFeature> context,
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ResourceKey<PlacedFeature> key,
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Holder<ConfiguredFeature<?, ?>> configuredFeature,
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List<PlacementModifier> placements
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) {
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context.register(key, new PlacedFeature(configuredFeature, List.copyOf(placements)));
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}
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public static void register(
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BootstrapContext<PlacedFeature> context, ResourceKey<PlacedFeature> key, Holder<ConfiguredFeature<?, ?>> configuredFeature, PlacementModifier... placements
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) {
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register(context, key, configuredFeature, List.of(placements));
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}
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public static PlacementModifier countExtra(int baseValue, float chance, int addedAmount) {
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float f = 1.0F / chance;
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if (Math.abs(f - (int)f) > 1.0E-5F) {
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throw new IllegalStateException("Chance data cannot be represented as list weight");
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} else {
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WeightedList<IntProvider> weightedList = WeightedList.<IntProvider>builder()
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.add(ConstantInt.of(baseValue), (int)f - 1)
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.add(ConstantInt.of(baseValue + addedAmount), 1)
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.build();
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return CountPlacement.of(new WeightedListInt(weightedList));
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}
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}
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public static PlacementFilter isEmpty() {
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return BlockPredicateFilter.forPredicate(BlockPredicate.ONLY_IN_AIR_PREDICATE);
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}
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public static BlockPredicateFilter filteredByBlockSurvival(Block block) {
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return BlockPredicateFilter.forPredicate(BlockPredicate.wouldSurvive(block.defaultBlockState(), BlockPos.ZERO));
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}
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public static Holder<PlacedFeature> inlinePlaced(Holder<ConfiguredFeature<?, ?>> feature, PlacementModifier... placements) {
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return Holder.direct(new PlacedFeature(feature, List.of(placements)));
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}
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public static <FC extends FeatureConfiguration, F extends Feature<FC>> Holder<PlacedFeature> inlinePlaced(
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F feature, FC config, PlacementModifier... placements
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) {
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return inlinePlaced(Holder.direct(new ConfiguredFeature(feature, config)), placements);
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}
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public static <FC extends FeatureConfiguration, F extends Feature<FC>> Holder<PlacedFeature> onlyWhenEmpty(F feature, FC config) {
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return filtered(feature, config, BlockPredicate.ONLY_IN_AIR_PREDICATE);
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}
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public static <FC extends FeatureConfiguration, F extends Feature<FC>> Holder<PlacedFeature> filtered(F feature, FC config, BlockPredicate predicate) {
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return inlinePlaced(feature, config, BlockPredicateFilter.forPredicate(predicate));
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}
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}
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