package net.minecraft.world.level.block; import com.mojang.serialization.MapCodec; import net.minecraft.core.BlockPos; import net.minecraft.core.Direction; import net.minecraft.core.component.DataComponents; import net.minecraft.server.level.ServerLevel; import net.minecraft.util.RandomSource; import net.minecraft.world.InteractionResult; import net.minecraft.world.entity.player.Player; import net.minecraft.world.item.ItemStack; import net.minecraft.world.item.component.BlockItemStateProperties; import net.minecraft.world.item.context.BlockPlaceContext; import net.minecraft.world.level.BlockGetter; import net.minecraft.world.level.Level; import net.minecraft.world.level.LevelReader; import net.minecraft.world.level.block.entity.BlockEntity; import net.minecraft.world.level.block.entity.TestBlockEntity; import net.minecraft.world.level.block.state.BlockBehaviour; import net.minecraft.world.level.block.state.BlockState; import net.minecraft.world.level.block.state.StateDefinition.Builder; import net.minecraft.world.level.block.state.properties.BlockStateProperties; import net.minecraft.world.level.block.state.properties.EnumProperty; import net.minecraft.world.level.block.state.properties.TestBlockMode; import net.minecraft.world.level.redstone.Orientation; import net.minecraft.world.phys.BlockHitResult; import org.jetbrains.annotations.Nullable; public class TestBlock extends BaseEntityBlock implements GameMasterBlock { public static final MapCodec CODEC = simpleCodec(TestBlock::new); public static final EnumProperty MODE = BlockStateProperties.TEST_BLOCK_MODE; public TestBlock(BlockBehaviour.Properties properties) { super(properties); } @Nullable @Override public BlockEntity newBlockEntity(BlockPos pos, BlockState state) { return new TestBlockEntity(pos, state); } @Override public BlockState getStateForPlacement(BlockPlaceContext context) { BlockItemStateProperties blockItemStateProperties = context.getItemInHand().get(DataComponents.BLOCK_STATE); BlockState blockState = this.defaultBlockState(); if (blockItemStateProperties != null) { TestBlockMode testBlockMode = blockItemStateProperties.get(MODE); if (testBlockMode != null) { blockState = blockState.setValue(MODE, testBlockMode); } } return blockState; } @Override protected void createBlockStateDefinition(Builder builder) { builder.add(MODE); } @Override protected InteractionResult useWithoutItem(BlockState state, Level level, BlockPos pos, Player player, BlockHitResult hitResult) { if (level.getBlockEntity(pos) instanceof TestBlockEntity testBlockEntity) { if (!player.canUseGameMasterBlocks()) { return InteractionResult.PASS; } else { if (level.isClientSide) { player.openTestBlock(testBlockEntity); } return InteractionResult.SUCCESS; } } else { return InteractionResult.PASS; } } @Override protected void tick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) { TestBlockEntity testBlockEntity = getServerTestBlockEntity(level, pos); if (testBlockEntity != null) { testBlockEntity.reset(); } } @Override protected void neighborChanged(BlockState state, Level level, BlockPos pos, Block neighborBlock, @Nullable Orientation orientation, boolean movedByPiston) { TestBlockEntity testBlockEntity = getServerTestBlockEntity(level, pos); if (testBlockEntity != null) { if (testBlockEntity.getMode() != TestBlockMode.START) { boolean bl = level.hasNeighborSignal(pos); boolean bl2 = testBlockEntity.isPowered(); if (bl && !bl2) { testBlockEntity.setPowered(true); testBlockEntity.trigger(); } else if (!bl && bl2) { testBlockEntity.setPowered(false); } } } } @Nullable private static TestBlockEntity getServerTestBlockEntity(Level level, BlockPos pos) { return level instanceof ServerLevel serverLevel && serverLevel.getBlockEntity(pos) instanceof TestBlockEntity testBlockEntity ? testBlockEntity : null; } @Override public int getSignal(BlockState state, BlockGetter level, BlockPos pos, Direction direction) { if (state.getValue(MODE) != TestBlockMode.START) { return 0; } else if (level.getBlockEntity(pos) instanceof TestBlockEntity testBlockEntity) { return testBlockEntity.isPowered() ? 15 : 0; } else { return 0; } } @Override protected ItemStack getCloneItemStack(LevelReader level, BlockPos pos, BlockState state, boolean includeData) { ItemStack itemStack = super.getCloneItemStack(level, pos, state, includeData); return setModeOnStack(itemStack, state.getValue(MODE)); } public static ItemStack setModeOnStack(ItemStack stack, TestBlockMode mode) { stack.set(DataComponents.BLOCK_STATE, stack.getOrDefault(DataComponents.BLOCK_STATE, BlockItemStateProperties.EMPTY).with(MODE, mode)); return stack; } @Override protected MapCodec codec() { return CODEC; } }