269 lines
8.5 KiB
Java
269 lines
8.5 KiB
Java
package net.minecraft.world.level.block;
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import com.mojang.serialization.MapCodec;
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import net.minecraft.core.BlockPos;
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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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public class PoweredRailBlock extends BaseRailBlock {
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public static final MapCodec<PoweredRailBlock> CODEC = simpleCodec(PoweredRailBlock::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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@Override
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public MapCodec<PoweredRailBlock> codec() {
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return CODEC;
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}
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protected PoweredRailBlock(BlockBehaviour.Properties properties) {
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super(true, properties);
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this.registerDefaultState(this.stateDefinition.any().setValue(SHAPE, RailShape.NORTH_SOUTH).setValue(POWERED, false).setValue(WATERLOGGED, false));
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}
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protected boolean findPoweredRailSignal(Level level, BlockPos pos, BlockState state, boolean searchForward, int recursionCount) {
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if (recursionCount >= 8) {
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return false;
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} else {
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int i = pos.getX();
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int j = pos.getY();
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int k = pos.getZ();
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boolean bl = true;
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RailShape railShape = state.getValue(SHAPE);
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switch (railShape) {
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case NORTH_SOUTH:
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if (searchForward) {
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k++;
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} else {
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k--;
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}
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break;
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case EAST_WEST:
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if (searchForward) {
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i--;
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} else {
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i++;
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}
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break;
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case ASCENDING_EAST:
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if (searchForward) {
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i--;
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} else {
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i++;
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j++;
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bl = false;
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}
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railShape = RailShape.EAST_WEST;
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break;
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case ASCENDING_WEST:
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if (searchForward) {
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i--;
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j++;
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bl = false;
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} else {
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i++;
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}
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railShape = RailShape.EAST_WEST;
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break;
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case ASCENDING_NORTH:
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if (searchForward) {
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k++;
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} else {
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k--;
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j++;
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bl = false;
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}
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railShape = RailShape.NORTH_SOUTH;
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break;
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case ASCENDING_SOUTH:
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if (searchForward) {
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k++;
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j++;
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bl = false;
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} else {
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k--;
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}
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railShape = RailShape.NORTH_SOUTH;
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}
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return this.isSameRailWithPower(level, new BlockPos(i, j, k), searchForward, recursionCount, railShape)
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? true
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: bl && this.isSameRailWithPower(level, new BlockPos(i, j - 1, k), searchForward, recursionCount, railShape);
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}
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}
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protected boolean isSameRailWithPower(Level level, BlockPos state, boolean searchForward, int recursionCount, RailShape shape) {
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BlockState blockState = level.getBlockState(state);
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if (!blockState.is(this)) {
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return false;
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} else {
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RailShape railShape = blockState.getValue(SHAPE);
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if (shape != RailShape.EAST_WEST || railShape != RailShape.NORTH_SOUTH && railShape != RailShape.ASCENDING_NORTH && railShape != RailShape.ASCENDING_SOUTH) {
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if (shape != RailShape.NORTH_SOUTH || railShape != RailShape.EAST_WEST && railShape != RailShape.ASCENDING_EAST && railShape != RailShape.ASCENDING_WEST) {
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if (!(Boolean)blockState.getValue(POWERED)) {
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return false;
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} else {
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return level.hasNeighborSignal(state) ? true : this.findPoweredRailSignal(level, state, blockState, searchForward, recursionCount + 1);
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}
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} else {
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return false;
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}
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} else {
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return false;
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}
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}
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}
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@Override
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protected void updateState(BlockState state, Level level, BlockPos pos, Block neighborBlock) {
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boolean bl = (Boolean)state.getValue(POWERED);
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boolean bl2 = level.hasNeighborSignal(pos)
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|| this.findPoweredRailSignal(level, pos, state, true, 0)
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|| this.findPoweredRailSignal(level, pos, state, false, 0);
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if (bl2 != bl) {
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level.setBlock(pos, state.setValue(POWERED, bl2), 3);
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level.updateNeighborsAt(pos.below(), this);
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if (((RailShape)state.getValue(SHAPE)).isSlope()) {
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level.updateNeighborsAt(pos.above(), this);
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}
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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 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 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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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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}
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case CLOCKWISE_90:
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switch ((RailShape)state.getValue(SHAPE)) {
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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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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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}
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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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