/* * Decompiled with CFR 0.152. * * Could not load the following classes: * com.mojang.datafixers.kinds.App * com.mojang.datafixers.kinds.Applicative * com.mojang.logging.LogUtils * com.mojang.serialization.Codec * com.mojang.serialization.MapCodec * com.mojang.serialization.codecs.RecordCodecBuilder * org.jspecify.annotations.Nullable * org.slf4j.Logger */ package net.minecraft.world.level.block; import com.mojang.datafixers.kinds.App; import com.mojang.datafixers.kinds.Applicative; import com.mojang.logging.LogUtils; import com.mojang.serialization.Codec; import com.mojang.serialization.MapCodec; import com.mojang.serialization.codecs.RecordCodecBuilder; 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.util.StringUtil; import net.minecraft.world.InteractionResult; import net.minecraft.world.entity.LivingEntity; import net.minecraft.world.entity.player.Player; import net.minecraft.world.item.ItemStack; import net.minecraft.world.item.context.BlockPlaceContext; import net.minecraft.world.level.BaseCommandBlock; import net.minecraft.world.level.Level; import net.minecraft.world.level.block.BaseEntityBlock; import net.minecraft.world.level.block.Block; import net.minecraft.world.level.block.Blocks; import net.minecraft.world.level.block.DirectionalBlock; import net.minecraft.world.level.block.GameMasterBlock; import net.minecraft.world.level.block.Mirror; import net.minecraft.world.level.block.Rotation; import net.minecraft.world.level.block.entity.BlockEntity; import net.minecraft.world.level.block.entity.CommandBlockEntity; import net.minecraft.world.level.block.state.BlockBehaviour; import net.minecraft.world.level.block.state.BlockState; import net.minecraft.world.level.block.state.StateDefinition; import net.minecraft.world.level.block.state.properties.BlockStateProperties; import net.minecraft.world.level.block.state.properties.BooleanProperty; import net.minecraft.world.level.block.state.properties.EnumProperty; import net.minecraft.world.level.gamerules.GameRules; import net.minecraft.world.level.redstone.Orientation; import net.minecraft.world.phys.BlockHitResult; import org.jspecify.annotations.Nullable; import org.slf4j.Logger; public class CommandBlock extends BaseEntityBlock implements GameMasterBlock { public static final MapCodec CODEC = RecordCodecBuilder.mapCodec(i -> i.group((App)Codec.BOOL.fieldOf("automatic").forGetter(b -> b.automatic), CommandBlock.propertiesCodec()).apply((Applicative)i, CommandBlock::new)); private static final Logger LOGGER = LogUtils.getLogger(); public static final EnumProperty FACING = DirectionalBlock.FACING; public static final BooleanProperty CONDITIONAL = BlockStateProperties.CONDITIONAL; private final boolean automatic; public MapCodec codec() { return CODEC; } public CommandBlock(boolean automatic, BlockBehaviour.Properties properties) { super(properties); this.registerDefaultState((BlockState)((BlockState)((BlockState)this.stateDefinition.any()).setValue(FACING, Direction.NORTH)).setValue(CONDITIONAL, false)); this.automatic = automatic; } @Override public BlockEntity newBlockEntity(BlockPos worldPosition, BlockState blockState) { CommandBlockEntity blockEntity = new CommandBlockEntity(worldPosition, blockState); blockEntity.setAutomatic(this.automatic); return blockEntity; } @Override protected void neighborChanged(BlockState state, Level level, BlockPos pos, Block block, @Nullable Orientation orientation, boolean movedByPiston) { if (level.isClientSide()) { return; } BlockEntity blockEntity = level.getBlockEntity(pos); if (blockEntity instanceof CommandBlockEntity) { CommandBlockEntity commandBlock = (CommandBlockEntity)blockEntity; this.setPoweredAndUpdate(level, pos, commandBlock, level.hasNeighborSignal(pos)); } } private void setPoweredAndUpdate(Level level, BlockPos pos, CommandBlockEntity commandBlock, boolean isPowered) { boolean wasPowered = commandBlock.isPowered(); if (isPowered == wasPowered) { return; } commandBlock.setPowered(isPowered); if (isPowered) { if (commandBlock.isAutomatic() || commandBlock.getMode() == CommandBlockEntity.Mode.SEQUENCE) { return; } commandBlock.markConditionMet(); level.scheduleTick(pos, this, 1); } } @Override protected void tick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) { BlockEntity blockEntity = level.getBlockEntity(pos); if (blockEntity instanceof CommandBlockEntity) { CommandBlockEntity commandBlock = (CommandBlockEntity)blockEntity; BaseCommandBlock baseCommandBlock = commandBlock.getCommandBlock(); boolean commandSet = !StringUtil.isNullOrEmpty(baseCommandBlock.getCommand()); CommandBlockEntity.Mode mode = commandBlock.getMode(); boolean wasConditionMet = commandBlock.wasConditionMet(); if (mode == CommandBlockEntity.Mode.AUTO) { commandBlock.markConditionMet(); if (wasConditionMet) { this.execute(state, level, pos, baseCommandBlock, commandSet); } else if (commandBlock.isConditional()) { baseCommandBlock.setSuccessCount(0); } if (commandBlock.isPowered() || commandBlock.isAutomatic()) { level.scheduleTick(pos, this, 1); } } else if (mode == CommandBlockEntity.Mode.REDSTONE) { if (wasConditionMet) { this.execute(state, level, pos, baseCommandBlock, commandSet); } else if (commandBlock.isConditional()) { baseCommandBlock.setSuccessCount(0); } } level.updateNeighbourForOutputSignal(pos, this); } } private void execute(BlockState state, ServerLevel level, BlockPos pos, BaseCommandBlock baseCommandBlock, boolean commandSet) { if (commandSet) { baseCommandBlock.performCommand(level); } else { baseCommandBlock.setSuccessCount(0); } CommandBlock.executeChain(level, pos, state.getValue(FACING)); } @Override protected InteractionResult useWithoutItem(BlockState state, Level level, BlockPos pos, Player player, BlockHitResult hitResult) { BlockEntity blockEntity = level.getBlockEntity(pos); if (blockEntity instanceof CommandBlockEntity && player.canUseGameMasterBlocks()) { player.openCommandBlock((CommandBlockEntity)blockEntity); return InteractionResult.SUCCESS; } return InteractionResult.PASS; } @Override protected boolean hasAnalogOutputSignal(BlockState state) { return true; } @Override protected int getAnalogOutputSignal(BlockState state, Level level, BlockPos pos, Direction direction) { BlockEntity blockEntity = level.getBlockEntity(pos); if (blockEntity instanceof CommandBlockEntity) { return ((CommandBlockEntity)blockEntity).getCommandBlock().getSuccessCount(); } return 0; } @Override public void setPlacedBy(Level level, BlockPos pos, BlockState state, @Nullable LivingEntity by, ItemStack itemStack) { BlockEntity blockEntity = level.getBlockEntity(pos); if (!(blockEntity instanceof CommandBlockEntity)) { return; } CommandBlockEntity commandBlockEntity = (CommandBlockEntity)blockEntity; BaseCommandBlock commandBlock = commandBlockEntity.getCommandBlock(); if (level instanceof ServerLevel) { ServerLevel serverLevel = (ServerLevel)level; if (!itemStack.has(DataComponents.BLOCK_ENTITY_DATA)) { commandBlock.setTrackOutput(serverLevel.getGameRules().get(GameRules.SEND_COMMAND_FEEDBACK)); commandBlockEntity.setAutomatic(this.automatic); } boolean hasNeighborSignal = level.hasNeighborSignal(pos); this.setPoweredAndUpdate(level, pos, commandBlockEntity, hasNeighborSignal); } } @Override protected BlockState rotate(BlockState state, Rotation rotation) { return (BlockState)state.setValue(FACING, rotation.rotate(state.getValue(FACING))); } @Override protected BlockState mirror(BlockState state, Mirror mirror) { return state.rotate(mirror.getRotation(state.getValue(FACING))); } @Override protected void createBlockStateDefinition(StateDefinition.Builder builder) { builder.add(FACING, CONDITIONAL); } @Override public BlockState getStateForPlacement(BlockPlaceContext context) { return (BlockState)this.defaultBlockState().setValue(FACING, context.getNearestLookingDirection().getOpposite()); } private static void executeChain(ServerLevel level, BlockPos blockPos, Direction direction) { BlockPos.MutableBlockPos pos = blockPos.mutable(); GameRules gameRules = level.getGameRules(); int maxIterations = gameRules.get(GameRules.MAX_COMMAND_SEQUENCE_LENGTH); while (maxIterations-- > 0) { CommandBlockEntity commandBlock; BlockEntity blockEntity; pos.move(direction); BlockState state = level.getBlockState(pos); Block block = state.getBlock(); if (!state.is(Blocks.CHAIN_COMMAND_BLOCK) || !((blockEntity = level.getBlockEntity(pos)) instanceof CommandBlockEntity) || (commandBlock = (CommandBlockEntity)blockEntity).getMode() != CommandBlockEntity.Mode.SEQUENCE) break; if (commandBlock.isPowered() || commandBlock.isAutomatic()) { BaseCommandBlock baseCommandBlock = commandBlock.getCommandBlock(); if (commandBlock.markConditionMet()) { if (!baseCommandBlock.performCommand(level)) break; level.updateNeighbourForOutputSignal(pos, block); } else if (commandBlock.isConditional()) { baseCommandBlock.setSuccessCount(0); } } direction = state.getValue(FACING); } if (maxIterations <= 0) { int limit = Math.max(gameRules.get(GameRules.MAX_COMMAND_SEQUENCE_LENGTH), 0); LOGGER.warn("Command Block chain tried to execute more than {} steps!", (Object)limit); } } }