102 lines
4.1 KiB
Java
102 lines
4.1 KiB
Java
package net.minecraft.world.item;
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import java.util.Collection;
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import net.minecraft.Util;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Holder;
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import net.minecraft.core.component.DataComponents;
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import net.minecraft.network.chat.Component;
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import net.minecraft.server.level.ServerPlayer;
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import net.minecraft.world.InteractionResult;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.item.component.DebugStickState;
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import net.minecraft.world.item.context.UseOnContext;
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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.Block;
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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.Property;
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import org.jetbrains.annotations.Nullable;
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public class DebugStickItem extends Item {
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public DebugStickItem(Item.Properties properties) {
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super(properties);
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}
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@Override
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public boolean canDestroyBlock(ItemStack stack, BlockState state, Level level, BlockPos pos, LivingEntity entity) {
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if (!level.isClientSide && entity instanceof Player player) {
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this.handleInteraction(player, state, level, pos, false, stack);
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}
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return false;
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}
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@Override
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public InteractionResult useOn(UseOnContext context) {
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Player player = context.getPlayer();
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Level level = context.getLevel();
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if (!level.isClientSide && player != null) {
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BlockPos blockPos = context.getClickedPos();
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if (!this.handleInteraction(player, level.getBlockState(blockPos), level, blockPos, true, context.getItemInHand())) {
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return InteractionResult.FAIL;
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}
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}
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return InteractionResult.SUCCESS;
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}
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private boolean handleInteraction(Player player, BlockState stateClicked, LevelAccessor accessor, BlockPos pos, boolean shouldCycleState, ItemStack debugStack) {
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if (!player.canUseGameMasterBlocks()) {
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return false;
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} else {
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Holder<Block> holder = stateClicked.getBlockHolder();
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StateDefinition<Block, BlockState> stateDefinition = holder.value().getStateDefinition();
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Collection<Property<?>> collection = stateDefinition.getProperties();
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if (collection.isEmpty()) {
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message(player, Component.translatable(this.descriptionId + ".empty", holder.getRegisteredName()));
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return false;
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} else {
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DebugStickState debugStickState = debugStack.get(DataComponents.DEBUG_STICK_STATE);
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if (debugStickState == null) {
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return false;
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} else {
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Property<?> property = (Property<?>)debugStickState.properties().get(holder);
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if (shouldCycleState) {
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if (property == null) {
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property = (Property<?>)collection.iterator().next();
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}
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BlockState blockState = cycleState(stateClicked, property, player.isSecondaryUseActive());
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accessor.setBlock(pos, blockState, 18);
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message(player, Component.translatable(this.descriptionId + ".update", property.getName(), getNameHelper(blockState, property)));
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} else {
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property = getRelative(collection, property, player.isSecondaryUseActive());
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debugStack.set(DataComponents.DEBUG_STICK_STATE, debugStickState.withProperty(holder, property));
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message(player, Component.translatable(this.descriptionId + ".select", property.getName(), getNameHelper(stateClicked, property)));
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}
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return true;
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}
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}
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}
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}
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private static <T extends Comparable<T>> BlockState cycleState(BlockState state, Property<T> property, boolean backwards) {
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return state.setValue(property, getRelative(property.getPossibleValues(), state.getValue(property), backwards));
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}
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private static <T> T getRelative(Iterable<T> allowedValues, @Nullable T currentValue, boolean backwards) {
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return backwards ? Util.findPreviousInIterable(allowedValues, currentValue) : Util.findNextInIterable(allowedValues, currentValue);
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}
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private static void message(Player player, Component messageComponent) {
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((ServerPlayer)player).sendSystemMessage(messageComponent, true);
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}
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private static <T extends Comparable<T>> String getNameHelper(BlockState state, Property<T> property) {
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return property.getName(state.getValue(property));
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}
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}
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