46 lines
1.7 KiB
Java
46 lines
1.7 KiB
Java
package net.minecraft.world.level.redstone;
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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.world.level.Level;
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import net.minecraft.world.level.block.RedStoneWireBlock;
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import net.minecraft.world.level.block.state.BlockState;
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import org.jetbrains.annotations.Nullable;
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public abstract class RedstoneWireEvaluator {
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protected final RedStoneWireBlock wireBlock;
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protected RedstoneWireEvaluator(RedStoneWireBlock wireBlock) {
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this.wireBlock = wireBlock;
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}
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public abstract void updatePowerStrength(Level level, BlockPos pos, BlockState state, @Nullable Orientation orientation, boolean updateShape);
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protected int getBlockSignal(Level level, BlockPos pos) {
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return this.wireBlock.getBlockSignal(level, pos);
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}
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protected int getWireSignal(BlockPos pos, BlockState state) {
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return state.is(this.wireBlock) ? (Integer)state.getValue(RedStoneWireBlock.POWER) : 0;
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}
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protected int getIncomingWireSignal(Level level, BlockPos pos) {
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int i = 0;
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for (Direction direction : Direction.Plane.HORIZONTAL) {
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BlockPos blockPos = pos.relative(direction);
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BlockState blockState = level.getBlockState(blockPos);
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i = Math.max(i, this.getWireSignal(blockPos, blockState));
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BlockPos blockPos2 = pos.above();
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if (blockState.isRedstoneConductor(level, blockPos) && !level.getBlockState(blockPos2).isRedstoneConductor(level, blockPos2)) {
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BlockPos blockPos3 = blockPos.above();
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i = Math.max(i, this.getWireSignal(blockPos3, level.getBlockState(blockPos3)));
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} else if (!blockState.isRedstoneConductor(level, blockPos)) {
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BlockPos blockPos3 = blockPos.below();
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i = Math.max(i, this.getWireSignal(blockPos3, level.getBlockState(blockPos3)));
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}
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}
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return Math.max(0, i - 1);
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}
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}
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