189 lines
7.5 KiB
Java
189 lines
7.5 KiB
Java
package net.minecraft.world.level.block;
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import com.mojang.logging.LogUtils;
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import com.mojang.serialization.MapCodec;
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import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
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import java.util.Map;
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import net.minecraft.Util;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.core.Position;
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import net.minecraft.core.dispenser.BlockSource;
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import net.minecraft.core.dispenser.DefaultDispenseItemBehavior;
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import net.minecraft.core.dispenser.DispenseItemBehavior;
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import net.minecraft.core.dispenser.ProjectileDispenseBehavior;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.stats.Stats;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.Containers;
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import net.minecraft.world.InteractionResult;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.inventory.AbstractContainerMenu;
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import net.minecraft.world.item.Item;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.context.BlockPlaceContext;
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import net.minecraft.world.level.ItemLike;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.block.entity.BlockEntity;
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import net.minecraft.world.level.block.entity.BlockEntityType;
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import net.minecraft.world.level.block.entity.DispenserBlockEntity;
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import net.minecraft.world.level.block.entity.DropperBlockEntity;
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import net.minecraft.world.level.block.state.BlockBehaviour;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.block.state.StateDefinition;
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import net.minecraft.world.level.block.state.properties.BlockStateProperties;
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import net.minecraft.world.level.block.state.properties.BooleanProperty;
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import net.minecraft.world.level.block.state.properties.DirectionProperty;
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import net.minecraft.world.level.gameevent.GameEvent;
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import net.minecraft.world.phys.BlockHitResult;
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import net.minecraft.world.phys.Vec3;
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import org.slf4j.Logger;
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public class DispenserBlock extends BaseEntityBlock {
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private static final Logger LOGGER = LogUtils.getLogger();
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public static final MapCodec<DispenserBlock> CODEC = simpleCodec(DispenserBlock::new);
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public static final DirectionProperty FACING = DirectionalBlock.FACING;
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public static final BooleanProperty TRIGGERED = BlockStateProperties.TRIGGERED;
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private static final DefaultDispenseItemBehavior DEFAULT_BEHAVIOR = new DefaultDispenseItemBehavior();
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/**
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* Registry for all dispense behaviors.
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*/
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public static final Map<Item, DispenseItemBehavior> DISPENSER_REGISTRY = Util.make(
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new Object2ObjectOpenHashMap<>(), object2ObjectOpenHashMap -> object2ObjectOpenHashMap.defaultReturnValue(DEFAULT_BEHAVIOR)
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);
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private static final int TRIGGER_DURATION = 4;
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@Override
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public MapCodec<? extends DispenserBlock> codec() {
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return CODEC;
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}
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public static void registerBehavior(ItemLike item, DispenseItemBehavior behavior) {
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DISPENSER_REGISTRY.put(item.asItem(), behavior);
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}
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public static void registerProjectileBehavior(ItemLike item) {
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DISPENSER_REGISTRY.put(item.asItem(), new ProjectileDispenseBehavior(item.asItem()));
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}
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protected DispenserBlock(BlockBehaviour.Properties properties) {
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super(properties);
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this.registerDefaultState(this.stateDefinition.any().setValue(FACING, Direction.NORTH).setValue(TRIGGERED, false));
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}
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@Override
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protected InteractionResult useWithoutItem(BlockState state, Level level, BlockPos pos, Player player, BlockHitResult hitResult) {
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if (level.isClientSide) {
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return InteractionResult.SUCCESS;
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} else {
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BlockEntity blockEntity = level.getBlockEntity(pos);
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if (blockEntity instanceof DispenserBlockEntity) {
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player.openMenu((DispenserBlockEntity)blockEntity);
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if (blockEntity instanceof DropperBlockEntity) {
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player.awardStat(Stats.INSPECT_DROPPER);
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} else {
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player.awardStat(Stats.INSPECT_DISPENSER);
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}
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}
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return InteractionResult.CONSUME;
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}
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}
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protected void dispenseFrom(ServerLevel level, BlockState state, BlockPos pos) {
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DispenserBlockEntity dispenserBlockEntity = (DispenserBlockEntity)level.getBlockEntity(pos, BlockEntityType.DISPENSER).orElse(null);
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if (dispenserBlockEntity == null) {
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LOGGER.warn("Ignoring dispensing attempt for Dispenser without matching block entity at {}", pos);
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} else {
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BlockSource blockSource = new BlockSource(level, pos, state, dispenserBlockEntity);
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int i = dispenserBlockEntity.getRandomSlot(level.random);
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if (i < 0) {
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level.levelEvent(1001, pos, 0);
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level.gameEvent(GameEvent.BLOCK_ACTIVATE, pos, GameEvent.Context.of(dispenserBlockEntity.getBlockState()));
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} else {
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ItemStack itemStack = dispenserBlockEntity.getItem(i);
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DispenseItemBehavior dispenseItemBehavior = this.getDispenseMethod(level, itemStack);
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if (dispenseItemBehavior != DispenseItemBehavior.NOOP) {
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dispenserBlockEntity.setItem(i, dispenseItemBehavior.dispense(blockSource, itemStack));
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}
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}
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}
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}
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protected DispenseItemBehavior getDispenseMethod(Level level, ItemStack item) {
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return (DispenseItemBehavior)(!item.isItemEnabled(level.enabledFeatures()) ? DEFAULT_BEHAVIOR : (DispenseItemBehavior)DISPENSER_REGISTRY.get(item.getItem()));
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}
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@Override
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protected void neighborChanged(BlockState state, Level level, BlockPos pos, Block neighborBlock, BlockPos neighborPos, boolean movedByPiston) {
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boolean bl = level.hasNeighborSignal(pos) || level.hasNeighborSignal(pos.above());
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boolean bl2 = (Boolean)state.getValue(TRIGGERED);
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if (bl && !bl2) {
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level.scheduleTick(pos, this, 4);
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level.setBlock(pos, state.setValue(TRIGGERED, true), 2);
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} else if (!bl && bl2) {
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level.setBlock(pos, state.setValue(TRIGGERED, false), 2);
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}
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}
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@Override
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protected void tick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
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this.dispenseFrom(level, state, pos);
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}
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@Override
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public BlockEntity newBlockEntity(BlockPos pos, BlockState state) {
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return new DispenserBlockEntity(pos, state);
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}
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@Override
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public BlockState getStateForPlacement(BlockPlaceContext context) {
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return this.defaultBlockState().setValue(FACING, context.getNearestLookingDirection().getOpposite());
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}
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@Override
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protected void onRemove(BlockState state, Level level, BlockPos pos, BlockState newState, boolean movedByPiston) {
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Containers.dropContentsOnDestroy(state, newState, level, pos);
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super.onRemove(state, level, pos, newState, movedByPiston);
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}
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public static Position getDispensePosition(BlockSource blockSource) {
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return getDispensePosition(blockSource, 0.7, Vec3.ZERO);
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}
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public static Position getDispensePosition(BlockSource blockSource, double multiplier, Vec3 offset) {
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Direction direction = blockSource.state().getValue(FACING);
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return blockSource.center()
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.add(multiplier * direction.getStepX() + offset.x(), multiplier * direction.getStepY() + offset.y(), multiplier * direction.getStepZ() + offset.z());
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}
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@Override
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protected boolean hasAnalogOutputSignal(BlockState state) {
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return true;
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}
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@Override
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protected int getAnalogOutputSignal(BlockState state, Level level, BlockPos pos) {
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return AbstractContainerMenu.getRedstoneSignalFromBlockEntity(level.getBlockEntity(pos));
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}
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@Override
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protected RenderShape getRenderShape(BlockState state) {
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return RenderShape.MODEL;
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}
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@Override
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protected BlockState rotate(BlockState state, Rotation rotation) {
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return state.setValue(FACING, rotation.rotate(state.getValue(FACING)));
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}
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@Override
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protected BlockState mirror(BlockState state, Mirror mirror) {
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return state.rotate(mirror.getRotation(state.getValue(FACING)));
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}
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@Override
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protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
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builder.add(FACING, TRIGGERED);
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}
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}
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