minecraft-mods/totem_of_reviving
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WIP: Creating DataComponent for totem items.

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This commit is contained in:
micle
2026-01-09 05:01:09 +01:00
parent 2f1a9793a3
commit f6e47d78e1
4 changed files with 93 additions and 8 deletions
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49
src/main/java/dev/micle/totemofreviving/component/TotemData.java Normal file
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@ -0,0 +1,49 @@
package dev.micle.totemofreviving.component;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import io.netty.buffer.ByteBuf;
import net.minecraft.network.codec.ByteBufCodecs;
import net.minecraft.network.codec.StreamCodec;
import java.util.Objects;
public class TotemData {
public static final Codec<TotemData> CODEC = RecordCodecBuilder.create(instance ->
instance.group(
Codec.INT.fieldOf("targetIndex").forGetter(TotemData::getTargetIndex)
).apply(instance, TotemData::new)
);
public static final StreamCodec<ByteBuf, TotemData> STREAM_CODEC = StreamCodec.composite(
ByteBufCodecs.INT, TotemData::getTargetIndex,
TotemData::new
);
private int targetIndex;
public TotemData(int targetIndex) {
this.targetIndex = targetIndex;
}
public int getTargetIndex() {
return targetIndex;
}
public void setTargetIndex(int newTargetIndex) {
targetIndex = newTargetIndex;
}
@Override
public int hashCode() {
return Objects.hash(this.targetIndex);
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
} else {
return obj instanceof TotemData td
&& this.targetIndex == td.targetIndex;
}
}
}

29
src/main/java/dev/micle/totemofreviving/item/totem/TotemItem.java
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@ -1,12 +1,17 @@
package dev.micle.totemofreviving.item.totem;
import dev.micle.totemofreviving.component.TotemData;
import dev.micle.totemofreviving.network.NetworkManager;
import dev.micle.totemofreviving.network.client.ChangeTargetPacket;
import dev.micle.totemofreviving.network.client.ChargeTotemPacket;
import dev.micle.totemofreviving.network.client.ReviveTargetPacket;
import dev.micle.totemofreviving.setup.Config;
import dev.micle.totemofreviving.setup.ModDataComponents;
import dev.micle.totemofreviving.setup.ModKeyMappings;
import net.minecraft.ChatFormatting;
import net.minecraft.core.component.DataComponentType;
import net.minecraft.core.component.DataComponents;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.network.chat.Component;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.stats.Stats;
@ -18,12 +23,14 @@ import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Rarity;
import net.minecraft.world.item.TooltipFlag;
import net.minecraft.world.level.Level;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
import net.neoforged.api.distmarker.Dist;
import net.neoforged.api.distmarker.OnlyIn;
import net.neoforged.fml.common.Mod;
import javax.annotation.Nullable;
import javax.annotation.ParametersAreNonnullByDefault;
import java.util.List;
import java.util.Optional;
import java.util.UUID;
public abstract class TotemItem extends Item {
@ -38,18 +45,24 @@ public abstract class TotemItem extends Item {
}
public TotemItem(Rarity rarity, int durability) {
super(new Properties().stacksTo(1).rarity(rarity).defaultDurability(durability));
super(new Properties().stacksTo(1).rarity(rarity).durability(durability));
}
public abstract boolean isCharge(ItemStack stack);
private static Optional<TotemData> getTotemData(ItemStack stack) {
return Optional.ofNullable(stack.getComponents().get(ModDataComponents.TOTEM_DATA.get()));
}
public static int getTargetIndex(ItemStack stack) {
if (!isTotem(stack)) { return -1; }
return stack.getOrCreateTag().getInt(TAG_TARGET_INDEX);
return getTotemData(stack).map(TotemData::getTargetIndex).orElse(-1);
}
public static void setTargetIndex(ItemStack stack, int targetIndex) {
if (!isTotem(stack)) { return; }
stack.getOrCreateTag().putInt(TAG_TARGET_INDEX, targetIndex);
Optional<TotemData> data = getTotemData(stack);
if (data.isEmpty()) { return; }
data.get().setTargetIndex(targetIndex);
stack.set(ModDataComponents.TOTEM_DATA.get(), data.get());
}
public static UUID getTargetUUID(ItemStack stack) {

16
src/main/java/dev/micle/totemofreviving/setup/ModDataComponents.java Normal file
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@ -0,0 +1,16 @@
package dev.micle.totemofreviving.setup;
import dev.micle.totemofreviving.component.TotemData;
import net.minecraft.core.component.DataComponentType;
import net.neoforged.neoforge.registries.DeferredHolder;
public class ModDataComponents {
public static final DeferredHolder<DataComponentType<?>, DataComponentType<TotemData>> TOTEM_DATA = Registration.DATA_COMPONENTS.registerComponentType(
"basic",
builder -> builder
.persistent(TotemData.CODEC)
.networkSynchronized(TotemData.STREAM_CODEC)
);
public static void register() {}
}

7
src/main/java/dev/micle/totemofreviving/setup/Registration.java
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@ -1,6 +1,7 @@
package dev.micle.totemofreviving.setup;
import dev.micle.totemofreviving.TotemOfReviving;
import net.minecraft.core.component.DataComponentType;
import net.minecraft.core.registries.Registries;
import net.minecraft.world.item.CreativeModeTab;
import net.neoforged.bus.api.IEventBus;
@ -8,6 +9,9 @@ import net.neoforged.neoforge.registries.DeferredRegister;
public class Registration {
// Initialize variables
public static final DeferredRegister.DataComponents DATA_COMPONENTS =
DeferredRegister.createDataComponents(Registries.DATA_COMPONENT_TYPE, TotemOfReviving.MOD_ID);
public static final DeferredRegister.Items ITEMS =
DeferredRegister.createItems(TotemOfReviving.MOD_ID);
@ -15,6 +19,9 @@ public class Registration {
DeferredRegister.create(Registries.CREATIVE_MODE_TAB, TotemOfReviving.MOD_ID);
public static void register(IEventBus modEventBus) {
DATA_COMPONENTS.register(modEventBus);
ModDataComponents.register();
ITEMS.register(modEventBus);
ModItems.register();