mirror of
https://github.com/GeyserMC/Geyser.git
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163 lines
6.5 KiB
Java
163 lines
6.5 KiB
Java
/*
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* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.geyser.entity.type.living;
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import com.github.steveice10.mc.protocol.data.game.entity.metadata.type.ByteEntityMetadata;
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import com.github.steveice10.mc.protocol.data.game.entity.player.Hand;
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import com.nukkitx.math.vector.Vector3f;
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import com.nukkitx.protocol.bedrock.data.entity.EntityData;
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import com.nukkitx.protocol.bedrock.data.entity.EntityFlag;
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import lombok.Getter;
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import org.geysermc.geyser.entity.EntityDefinition;
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import org.geysermc.geyser.entity.type.LivingEntity;
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import org.geysermc.geyser.inventory.GeyserItemStack;
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import org.geysermc.geyser.inventory.item.StoredItemMappings;
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import org.geysermc.geyser.registry.type.ItemMapping;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.util.InteractionResult;
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import org.geysermc.geyser.util.InteractiveTag;
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import javax.annotation.Nonnull;
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import java.util.UUID;
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public class MobEntity extends LivingEntity {
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/**
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* If another mob is holding this mob by a leash, this variable tracks their Bedrock entity ID.
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*/
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@Getter
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private long leashHolderBedrockId;
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public MobEntity(GeyserSession session, int entityId, long geyserId, UUID uuid, EntityDefinition<?> definition, Vector3f position, Vector3f motion, float yaw, float pitch, float headYaw) {
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super(session, entityId, geyserId, uuid, definition, position, motion, yaw, pitch, headYaw);
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}
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@Override
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protected void initializeMetadata() {
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super.initializeMetadata();
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setLeashHolderBedrockId(-1);
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}
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public void setMobFlags(ByteEntityMetadata entityMetadata) {
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byte xd = entityMetadata.getPrimitiveValue();
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setFlag(EntityFlag.NO_AI, (xd & 0x01) == 0x01);
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}
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public void setLeashHolderBedrockId(long bedrockId) {
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this.leashHolderBedrockId = bedrockId;
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dirtyMetadata.put(EntityData.LEASH_HOLDER_EID, bedrockId);
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}
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@Override
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protected final InteractiveTag testInteraction(Hand hand) {
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if (!isAlive()) {
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// dead lol
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return InteractiveTag.NONE;
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} else if (leashHolderBedrockId == session.getPlayerEntity().getGeyserId()) {
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return InteractiveTag.REMOVE_LEASH;
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} else {
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GeyserItemStack itemStack = session.getPlayerInventory().getItemInHand(hand);
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StoredItemMappings storedItems = session.getItemMappings().getStoredItems();
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if (itemStack.getJavaId() == storedItems.lead() && canBeLeashed()) {
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// We shall leash
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return InteractiveTag.LEASH;
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} else if (itemStack.getJavaId() == storedItems.nameTag()) {
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InteractionResult result = checkInteractWithNameTag(itemStack);
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if (result.consumesAction()) {
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return InteractiveTag.NAME;
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}
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}
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InteractiveTag tag = testMobInteraction(hand, itemStack);
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return tag != InteractiveTag.NONE ? tag : super.testInteraction(hand);
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}
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}
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@Override
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public final InteractionResult interact(Hand hand) {
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if (!isAlive()) {
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// dead lol
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return InteractionResult.PASS;
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} else if (leashHolderBedrockId == session.getPlayerEntity().getGeyserId()) {
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// TODO looks like the client assumes it will go through and removes the attachment itself?
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return InteractionResult.SUCCESS;
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} else {
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GeyserItemStack itemInHand = session.getPlayerInventory().getItemInHand(hand);
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InteractionResult result = checkPriorityInteractions(itemInHand);
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if (result.consumesAction()) {
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return result;
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} else {
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InteractionResult mobResult = mobInteract(hand, itemInHand);
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return mobResult.consumesAction() ? mobResult : super.interact(hand);
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}
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}
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}
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private InteractionResult checkPriorityInteractions(GeyserItemStack itemInHand) {
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StoredItemMappings storedItems = session.getItemMappings().getStoredItems();
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if (itemInHand.getJavaId() == storedItems.lead() && canBeLeashed()) {
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// We shall leash
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return InteractionResult.SUCCESS;
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} else if (itemInHand.getJavaId() == storedItems.nameTag()) {
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InteractionResult result = checkInteractWithNameTag(itemInHand);
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if (result.consumesAction()) {
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return result;
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}
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} else {
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ItemMapping mapping = itemInHand.getMapping(session);
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if (mapping.getJavaIdentifier().endsWith("_spawn_egg")) {
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// Using the spawn egg on this entity to create a child
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return InteractionResult.CONSUME;
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}
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}
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return InteractionResult.PASS;
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}
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@Nonnull
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protected InteractiveTag testMobInteraction(@Nonnull Hand hand, @Nonnull GeyserItemStack itemInHand) {
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return InteractiveTag.NONE;
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}
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@Nonnull
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protected InteractionResult mobInteract(@Nonnull Hand hand, @Nonnull GeyserItemStack itemInHand) {
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return InteractionResult.PASS;
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}
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protected boolean canBeLeashed() {
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return isNotLeashed() && !isEnemy();
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}
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protected final boolean isNotLeashed() {
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return leashHolderBedrockId == -1L;
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}
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/**
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* Returns if the entity is hostile. Used to determine if it can be leashed.
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*/
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protected boolean isEnemy() {
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return false;
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}
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}
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