minecraft-src/net/minecraft/data/worldgen/placement/PlacementUtils.java
2025-07-04 03:15:13 +03:00

110 lines
5.7 KiB
Java

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