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

90 lines
3.4 KiB
Java

package net.minecraft.world.item.component;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.List;
import java.util.Optional;
import net.minecraft.core.HolderSet;
import net.minecraft.core.RegistryCodecs;
import net.minecraft.core.registries.Registries;
import net.minecraft.network.RegistryFriendlyByteBuf;
import net.minecraft.network.codec.ByteBufCodecs;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.util.ExtraCodecs;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.state.BlockState;
public record Tool(List<Tool.Rule> rules, float defaultMiningSpeed, int damagePerBlock, boolean canDestroyBlocksInCreative) {
public static final Codec<Tool> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
Tool.Rule.CODEC.listOf().fieldOf("rules").forGetter(Tool::rules),
Codec.FLOAT.optionalFieldOf("default_mining_speed", 1.0F).forGetter(Tool::defaultMiningSpeed),
ExtraCodecs.NON_NEGATIVE_INT.optionalFieldOf("damage_per_block", 1).forGetter(Tool::damagePerBlock),
Codec.BOOL.optionalFieldOf("can_destroy_blocks_in_creative", true).forGetter(Tool::canDestroyBlocksInCreative)
)
.apply(instance, Tool::new)
);
public static final StreamCodec<RegistryFriendlyByteBuf, Tool> STREAM_CODEC = StreamCodec.composite(
Tool.Rule.STREAM_CODEC.apply(ByteBufCodecs.list()),
Tool::rules,
ByteBufCodecs.FLOAT,
Tool::defaultMiningSpeed,
ByteBufCodecs.VAR_INT,
Tool::damagePerBlock,
ByteBufCodecs.BOOL,
Tool::canDestroyBlocksInCreative,
Tool::new
);
public float getMiningSpeed(BlockState state) {
for (Tool.Rule rule : this.rules) {
if (rule.speed.isPresent() && state.is(rule.blocks)) {
return (Float)rule.speed.get();
}
}
return this.defaultMiningSpeed;
}
public boolean isCorrectForDrops(BlockState state) {
for (Tool.Rule rule : this.rules) {
if (rule.correctForDrops.isPresent() && state.is(rule.blocks)) {
return (Boolean)rule.correctForDrops.get();
}
}
return false;
}
public record Rule(HolderSet<Block> blocks, Optional<Float> speed, Optional<Boolean> correctForDrops) {
public static final Codec<Tool.Rule> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
RegistryCodecs.homogeneousList(Registries.BLOCK).fieldOf("blocks").forGetter(Tool.Rule::blocks),
ExtraCodecs.POSITIVE_FLOAT.optionalFieldOf("speed").forGetter(Tool.Rule::speed),
Codec.BOOL.optionalFieldOf("correct_for_drops").forGetter(Tool.Rule::correctForDrops)
)
.apply(instance, Tool.Rule::new)
);
public static final StreamCodec<RegistryFriendlyByteBuf, Tool.Rule> STREAM_CODEC = StreamCodec.composite(
ByteBufCodecs.holderSet(Registries.BLOCK),
Tool.Rule::blocks,
ByteBufCodecs.FLOAT.apply(ByteBufCodecs::optional),
Tool.Rule::speed,
ByteBufCodecs.BOOL.apply(ByteBufCodecs::optional),
Tool.Rule::correctForDrops,
Tool.Rule::new
);
public static Tool.Rule minesAndDrops(HolderSet<Block> blocks, float speed) {
return new Tool.Rule(blocks, Optional.of(speed), Optional.of(true));
}
public static Tool.Rule deniesDrops(HolderSet<Block> blocks) {
return new Tool.Rule(blocks, Optional.empty(), Optional.of(false));
}
public static Tool.Rule overrideSpeed(HolderSet<Block> blocks, float speed) {
return new Tool.Rule(blocks, Optional.of(speed), Optional.empty());
}
}
}