114 lines
4.2 KiB
Java
114 lines
4.2 KiB
Java
package net.minecraft.world.level.block;
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import com.mojang.serialization.MapCodec;
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import net.minecraft.advancements.CriteriaTriggers;
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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.server.level.ServerPlayer;
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import net.minecraft.stats.Stats;
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import net.minecraft.util.Mth;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.projectile.AbstractArrow;
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import net.minecraft.world.entity.projectile.Projectile;
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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.LevelAccessor;
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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;
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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.IntegerProperty;
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import net.minecraft.world.phys.BlockHitResult;
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import net.minecraft.world.phys.Vec3;
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public class TargetBlock extends Block {
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public static final MapCodec<TargetBlock> CODEC = simpleCodec(TargetBlock::new);
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private static final IntegerProperty OUTPUT_POWER = BlockStateProperties.POWER;
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private static final int ACTIVATION_TICKS_ARROWS = 20;
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private static final int ACTIVATION_TICKS_OTHER = 8;
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@Override
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public MapCodec<TargetBlock> codec() {
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return CODEC;
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}
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public TargetBlock(BlockBehaviour.Properties properties) {
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super(properties);
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this.registerDefaultState(this.stateDefinition.any().setValue(OUTPUT_POWER, 0));
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}
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@Override
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protected void onProjectileHit(Level level, BlockState state, BlockHitResult hit, Projectile projectile) {
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int i = updateRedstoneOutput(level, state, hit, projectile);
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if (projectile.getOwner() instanceof ServerPlayer serverPlayer) {
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serverPlayer.awardStat(Stats.TARGET_HIT);
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CriteriaTriggers.TARGET_BLOCK_HIT.trigger(serverPlayer, projectile, hit.getLocation(), i);
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}
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}
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private static int updateRedstoneOutput(LevelAccessor level, BlockState state, BlockHitResult hit, Entity projectile) {
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int i = getRedstoneStrength(hit, hit.getLocation());
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int j = projectile instanceof AbstractArrow ? 20 : 8;
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if (!level.getBlockTicks().hasScheduledTick(hit.getBlockPos(), state.getBlock())) {
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setOutputPower(level, state, i, hit.getBlockPos(), j);
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}
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return i;
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}
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private static int getRedstoneStrength(BlockHitResult hit, Vec3 hitLocation) {
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Direction direction = hit.getDirection();
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double d = Math.abs(Mth.frac(hitLocation.x) - 0.5);
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double e = Math.abs(Mth.frac(hitLocation.y) - 0.5);
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double f = Math.abs(Mth.frac(hitLocation.z) - 0.5);
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Direction.Axis axis = direction.getAxis();
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double g;
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if (axis == Direction.Axis.Y) {
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g = Math.max(d, f);
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} else if (axis == Direction.Axis.Z) {
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g = Math.max(d, e);
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} else {
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g = Math.max(e, f);
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}
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return Math.max(1, Mth.ceil(15.0 * Mth.clamp((0.5 - g) / 0.5, 0.0, 1.0)));
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}
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private static void setOutputPower(LevelAccessor level, BlockState state, int power, BlockPos pos, int waitTime) {
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level.setBlock(pos, state.setValue(OUTPUT_POWER, power), 3);
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level.scheduleTick(pos, state.getBlock(), waitTime);
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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 ((Integer)state.getValue(OUTPUT_POWER) != 0) {
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level.setBlock(pos, state.setValue(OUTPUT_POWER, 0), 3);
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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 (Integer)state.getValue(OUTPUT_POWER);
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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 createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
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builder.add(OUTPUT_POWER);
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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 (!level.isClientSide() && !state.is(oldState.getBlock())) {
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if ((Integer)state.getValue(OUTPUT_POWER) > 0 && !level.getBlockTicks().hasScheduledTick(pos, this)) {
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level.setBlock(pos, state.setValue(OUTPUT_POWER, 0), 18);
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}
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}
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}
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}
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