90 lines
3.1 KiB
Java
90 lines
3.1 KiB
Java
package net.minecraft.world;
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import net.minecraft.advancements.CriteriaTriggers;
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import net.minecraft.core.BlockPos;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.resources.ResourceKey;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.server.level.ServerPlayer;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.level.BlockGetter;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.storage.loot.LootTable;
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import net.minecraft.world.level.storage.loot.LootParams.Builder;
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import net.minecraft.world.level.storage.loot.parameters.LootContextParamSets;
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import net.minecraft.world.level.storage.loot.parameters.LootContextParams;
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import net.minecraft.world.phys.Vec3;
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import org.jetbrains.annotations.Nullable;
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public interface RandomizableContainer extends Container {
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String LOOT_TABLE_TAG = "LootTable";
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String LOOT_TABLE_SEED_TAG = "LootTableSeed";
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@Nullable
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ResourceKey<LootTable> getLootTable();
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void setLootTable(@Nullable ResourceKey<LootTable> lootTable);
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default void setLootTable(ResourceKey<LootTable> lootTable, long seed) {
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this.setLootTable(lootTable);
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this.setLootTableSeed(seed);
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}
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long getLootTableSeed();
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void setLootTableSeed(long seed);
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BlockPos getBlockPos();
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@Nullable
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Level getLevel();
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static void setBlockEntityLootTable(BlockGetter level, RandomSource random, BlockPos ps, ResourceKey<LootTable> lootTable) {
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if (level.getBlockEntity(ps) instanceof RandomizableContainer randomizableContainer) {
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randomizableContainer.setLootTable(lootTable, random.nextLong());
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}
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}
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default boolean tryLoadLootTable(CompoundTag tag) {
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ResourceKey<LootTable> resourceKey = (ResourceKey<LootTable>)tag.read("LootTable", LootTable.KEY_CODEC).orElse(null);
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this.setLootTable(resourceKey);
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this.setLootTableSeed(tag.getLongOr("LootTableSeed", 0L));
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return resourceKey != null;
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}
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default boolean trySaveLootTable(CompoundTag tag) {
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ResourceKey<LootTable> resourceKey = this.getLootTable();
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if (resourceKey == null) {
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return false;
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} else {
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tag.store("LootTable", LootTable.KEY_CODEC, resourceKey);
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long l = this.getLootTableSeed();
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if (l != 0L) {
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tag.putLong("LootTableSeed", l);
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}
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return true;
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}
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}
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default void unpackLootTable(@Nullable Player player) {
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Level level = this.getLevel();
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BlockPos blockPos = this.getBlockPos();
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ResourceKey<LootTable> resourceKey = this.getLootTable();
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if (resourceKey != null && level != null && level.getServer() != null) {
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LootTable lootTable = level.getServer().reloadableRegistries().getLootTable(resourceKey);
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if (player instanceof ServerPlayer) {
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CriteriaTriggers.GENERATE_LOOT.trigger((ServerPlayer)player, resourceKey);
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}
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this.setLootTable(null);
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Builder builder = new Builder((ServerLevel)level).withParameter(LootContextParams.ORIGIN, Vec3.atCenterOf(blockPos));
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if (player != null) {
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builder.withLuck(player.getLuck()).withParameter(LootContextParams.THIS_ENTITY, player);
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}
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lootTable.fill(this, builder.create(LootContextParamSets.CHEST), this.getLootTableSeed());
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}
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}
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}
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