minecraft-src/net/minecraft/world/item/DebugStickItem.java
2025-07-04 03:45:38 +03:00

102 lines
4.1 KiB
Java

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