290 lines
10 KiB
Java
290 lines
10 KiB
Java
package net.minecraft.world.level.block;
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import com.mojang.serialization.MapCodec;
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import java.util.List;
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import java.util.function.Predicate;
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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.server.level.ServerLevel;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.Container;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.EntitySelector;
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import net.minecraft.world.entity.InsideBlockEffectApplier;
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import net.minecraft.world.entity.vehicle.AbstractMinecart;
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import net.minecraft.world.entity.vehicle.MinecartCommandBlock;
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import net.minecraft.world.inventory.AbstractContainerMenu;
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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.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.Builder;
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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.EnumProperty;
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import net.minecraft.world.level.block.state.properties.Property;
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import net.minecraft.world.level.block.state.properties.RailShape;
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import net.minecraft.world.phys.AABB;
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public class DetectorRailBlock extends BaseRailBlock {
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public static final MapCodec<DetectorRailBlock> CODEC = simpleCodec(DetectorRailBlock::new);
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public static final EnumProperty<RailShape> SHAPE = BlockStateProperties.RAIL_SHAPE_STRAIGHT;
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public static final BooleanProperty POWERED = BlockStateProperties.POWERED;
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private static final int PRESSED_CHECK_PERIOD = 20;
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@Override
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public MapCodec<DetectorRailBlock> codec() {
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return CODEC;
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}
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public DetectorRailBlock(BlockBehaviour.Properties properties) {
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super(true, properties);
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this.registerDefaultState(this.stateDefinition.any().setValue(POWERED, false).setValue(SHAPE, RailShape.NORTH_SOUTH).setValue(WATERLOGGED, false));
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}
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@Override
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protected boolean isSignalSource(BlockState state) {
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return true;
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}
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@Override
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protected void entityInside(BlockState state, Level level, BlockPos pos, Entity entity, InsideBlockEffectApplier effectApplier) {
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if (!level.isClientSide) {
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if (!(Boolean)state.getValue(POWERED)) {
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this.checkPressed(level, pos, state);
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}
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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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if ((Boolean)state.getValue(POWERED)) {
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this.checkPressed(level, pos, state);
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}
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}
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@Override
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protected int getSignal(BlockState state, BlockGetter level, BlockPos pos, Direction direction) {
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return state.getValue(POWERED) ? 15 : 0;
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}
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@Override
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protected int getDirectSignal(BlockState state, BlockGetter level, BlockPos pos, Direction direction) {
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if (!(Boolean)state.getValue(POWERED)) {
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return 0;
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} else {
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return direction == Direction.UP ? 15 : 0;
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}
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}
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private void checkPressed(Level level, BlockPos pos, BlockState state) {
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if (this.canSurvive(state, level, pos)) {
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boolean bl = (Boolean)state.getValue(POWERED);
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boolean bl2 = false;
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List<AbstractMinecart> list = this.getInteractingMinecartOfType(level, pos, AbstractMinecart.class, entity -> true);
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if (!list.isEmpty()) {
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bl2 = true;
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}
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if (bl2 && !bl) {
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BlockState blockState = state.setValue(POWERED, true);
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level.setBlock(pos, blockState, 3);
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this.updatePowerToConnected(level, pos, blockState, true);
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level.updateNeighborsAt(pos, this);
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level.updateNeighborsAt(pos.below(), this);
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level.setBlocksDirty(pos, state, blockState);
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}
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if (!bl2 && bl) {
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BlockState blockState = state.setValue(POWERED, false);
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level.setBlock(pos, blockState, 3);
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this.updatePowerToConnected(level, pos, blockState, false);
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level.updateNeighborsAt(pos, this);
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level.updateNeighborsAt(pos.below(), this);
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level.setBlocksDirty(pos, state, blockState);
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}
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if (bl2) {
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level.scheduleTick(pos, this, 20);
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}
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level.updateNeighbourForOutputSignal(pos, this);
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}
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}
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protected void updatePowerToConnected(Level level, BlockPos pos, BlockState state, boolean powered) {
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RailState railState = new RailState(level, pos, state);
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for (BlockPos blockPos : railState.getConnections()) {
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BlockState blockState = level.getBlockState(blockPos);
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level.neighborChanged(blockState, blockPos, blockState.getBlock(), null, false);
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}
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}
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@Override
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protected void onPlace(BlockState state, Level level, BlockPos pos, BlockState oldState, boolean movedByPiston) {
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if (!oldState.is(state.getBlock())) {
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BlockState blockState = this.updateState(state, level, pos, movedByPiston);
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this.checkPressed(level, pos, blockState);
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}
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}
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@Override
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public Property<RailShape> getShapeProperty() {
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return SHAPE;
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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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if ((Boolean)state.getValue(POWERED)) {
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List<MinecartCommandBlock> list = this.getInteractingMinecartOfType(level, pos, MinecartCommandBlock.class, entity -> true);
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if (!list.isEmpty()) {
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return ((MinecartCommandBlock)list.get(0)).getCommandBlock().getSuccessCount();
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}
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List<AbstractMinecart> list2 = this.getInteractingMinecartOfType(level, pos, AbstractMinecart.class, EntitySelector.CONTAINER_ENTITY_SELECTOR);
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if (!list2.isEmpty()) {
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return AbstractContainerMenu.getRedstoneSignalFromContainer((Container)list2.get(0));
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}
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}
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return 0;
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}
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private <T extends AbstractMinecart> List<T> getInteractingMinecartOfType(Level level, BlockPos pos, Class<T> cartType, Predicate<Entity> filter) {
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return level.getEntitiesOfClass(cartType, this.getSearchBB(pos), filter);
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}
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private AABB getSearchBB(BlockPos pos) {
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double d = 0.2;
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return new AABB(pos.getX() + 0.2, pos.getY(), pos.getZ() + 0.2, pos.getX() + 1 - 0.2, pos.getY() + 1 - 0.2, pos.getZ() + 1 - 0.2);
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}
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@Override
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protected BlockState rotate(BlockState state, Rotation rotation) {
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switch (rotation) {
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case CLOCKWISE_180:
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switch ((RailShape)state.getValue(SHAPE)) {
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case ASCENDING_EAST:
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return state.setValue(SHAPE, RailShape.ASCENDING_WEST);
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case ASCENDING_WEST:
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return state.setValue(SHAPE, RailShape.ASCENDING_EAST);
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case ASCENDING_NORTH:
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return state.setValue(SHAPE, RailShape.ASCENDING_SOUTH);
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case ASCENDING_SOUTH:
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return state.setValue(SHAPE, RailShape.ASCENDING_NORTH);
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case SOUTH_EAST:
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return state.setValue(SHAPE, RailShape.NORTH_WEST);
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case SOUTH_WEST:
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return state.setValue(SHAPE, RailShape.NORTH_EAST);
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case NORTH_WEST:
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return state.setValue(SHAPE, RailShape.SOUTH_EAST);
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case NORTH_EAST:
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return state.setValue(SHAPE, RailShape.SOUTH_WEST);
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}
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case COUNTERCLOCKWISE_90:
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switch ((RailShape)state.getValue(SHAPE)) {
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case ASCENDING_EAST:
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return state.setValue(SHAPE, RailShape.ASCENDING_NORTH);
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case ASCENDING_WEST:
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return state.setValue(SHAPE, RailShape.ASCENDING_SOUTH);
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case ASCENDING_NORTH:
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return state.setValue(SHAPE, RailShape.ASCENDING_WEST);
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case ASCENDING_SOUTH:
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return state.setValue(SHAPE, RailShape.ASCENDING_EAST);
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case SOUTH_EAST:
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return state.setValue(SHAPE, RailShape.NORTH_EAST);
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case SOUTH_WEST:
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return state.setValue(SHAPE, RailShape.SOUTH_EAST);
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case NORTH_WEST:
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return state.setValue(SHAPE, RailShape.SOUTH_WEST);
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case NORTH_EAST:
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return state.setValue(SHAPE, RailShape.NORTH_WEST);
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case NORTH_SOUTH:
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return state.setValue(SHAPE, RailShape.EAST_WEST);
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case EAST_WEST:
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return state.setValue(SHAPE, RailShape.NORTH_SOUTH);
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}
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case CLOCKWISE_90:
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switch ((RailShape)state.getValue(SHAPE)) {
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case ASCENDING_EAST:
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return state.setValue(SHAPE, RailShape.ASCENDING_SOUTH);
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case ASCENDING_WEST:
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return state.setValue(SHAPE, RailShape.ASCENDING_NORTH);
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case ASCENDING_NORTH:
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return state.setValue(SHAPE, RailShape.ASCENDING_EAST);
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case ASCENDING_SOUTH:
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return state.setValue(SHAPE, RailShape.ASCENDING_WEST);
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case SOUTH_EAST:
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return state.setValue(SHAPE, RailShape.SOUTH_WEST);
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case SOUTH_WEST:
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return state.setValue(SHAPE, RailShape.NORTH_WEST);
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case NORTH_WEST:
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return state.setValue(SHAPE, RailShape.NORTH_EAST);
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case NORTH_EAST:
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return state.setValue(SHAPE, RailShape.SOUTH_EAST);
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case NORTH_SOUTH:
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return state.setValue(SHAPE, RailShape.EAST_WEST);
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case EAST_WEST:
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return state.setValue(SHAPE, RailShape.NORTH_SOUTH);
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}
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default:
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return state;
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}
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}
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@Override
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protected BlockState mirror(BlockState state, Mirror mirror) {
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RailShape railShape = state.getValue(SHAPE);
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switch (mirror) {
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case LEFT_RIGHT:
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switch (railShape) {
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case ASCENDING_NORTH:
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return state.setValue(SHAPE, RailShape.ASCENDING_SOUTH);
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case ASCENDING_SOUTH:
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return state.setValue(SHAPE, RailShape.ASCENDING_NORTH);
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case SOUTH_EAST:
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return state.setValue(SHAPE, RailShape.NORTH_EAST);
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case SOUTH_WEST:
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return state.setValue(SHAPE, RailShape.NORTH_WEST);
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case NORTH_WEST:
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return state.setValue(SHAPE, RailShape.SOUTH_WEST);
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case NORTH_EAST:
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return state.setValue(SHAPE, RailShape.SOUTH_EAST);
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default:
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return super.mirror(state, mirror);
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}
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case FRONT_BACK:
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switch (railShape) {
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case ASCENDING_EAST:
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return state.setValue(SHAPE, RailShape.ASCENDING_WEST);
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case ASCENDING_WEST:
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return state.setValue(SHAPE, RailShape.ASCENDING_EAST);
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case ASCENDING_NORTH:
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case ASCENDING_SOUTH:
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default:
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break;
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case SOUTH_EAST:
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return state.setValue(SHAPE, RailShape.SOUTH_WEST);
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case SOUTH_WEST:
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return state.setValue(SHAPE, RailShape.SOUTH_EAST);
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case NORTH_WEST:
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return state.setValue(SHAPE, RailShape.NORTH_EAST);
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case NORTH_EAST:
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return state.setValue(SHAPE, RailShape.NORTH_WEST);
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}
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}
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return super.mirror(state, mirror);
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}
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@Override
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protected void createBlockStateDefinition(Builder<Block, BlockState> builder) {
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builder.add(SHAPE, POWERED, WATERLOGGED);
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}
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}
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