196 lines
6.7 KiB
Java
196 lines
6.7 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2020.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package net.minecraftforge.common.extensions;
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import java.util.Collection;
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import javax.annotation.Nullable;
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import net.minecraft.block.BlockState;
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import net.minecraft.entity.Entity;
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import net.minecraft.entity.item.LeashKnotEntity;
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import net.minecraft.entity.LivingEntity;
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import net.minecraft.entity.EntityClassification;
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import net.minecraft.entity.item.ArmorStandEntity;
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import net.minecraft.entity.item.BoatEntity;
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import net.minecraft.entity.item.EnderCrystalEntity;
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import net.minecraft.entity.item.ItemEntity;
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import net.minecraft.entity.item.ItemFrameEntity;
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import net.minecraft.entity.item.minecart.AbstractMinecartEntity;
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import net.minecraft.entity.item.PaintingEntity;
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import net.minecraft.item.Items;
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import net.minecraft.item.SpawnEggItem;
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import net.minecraft.item.ItemStack;
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import net.minecraft.nbt.CompoundNBT;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.RayTraceResult;
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import net.minecraftforge.common.capabilities.ICapabilitySerializable;
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public interface IForgeEntity extends ICapabilitySerializable<CompoundNBT>
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{
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default Entity getEntity() { return (Entity) this; }
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default void deserializeNBT(CompoundNBT nbt)
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{
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getEntity().read(nbt);
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}
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default CompoundNBT serializeNBT()
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{
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CompoundNBT ret = new CompoundNBT();
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String id = getEntity().getEntityString();
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if (id != null)
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{
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ret.putString("id", getEntity().getEntityString());
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}
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return getEntity().writeWithoutTypeId(ret);
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}
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boolean canUpdate();
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void canUpdate(boolean value);
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@Nullable
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Collection<ItemEntity> captureDrops();
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Collection<ItemEntity> captureDrops(@Nullable Collection<ItemEntity> captureDrops);
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/**
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* Returns a NBTTagCompound that can be used to store custom data for this entity.
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* It will be written, and read from disc, so it persists over world saves.
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* @return A NBTTagCompound
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*/
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CompoundNBT getPersistentData();
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/**
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* Used in model rendering to determine if the entity riding this entity should be in the 'sitting' position.
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* @return false to prevent an entity that is mounted to this entity from displaying the 'sitting' animation.
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*/
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default boolean shouldRiderSit()
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{
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return true;
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}
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/**
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* Called when a user uses the creative pick block button on this entity.
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*
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* @param target The full target the player is looking at
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* @return A ItemStack to add to the player's inventory, empty ItemStack if nothing should be added.
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*/
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default ItemStack getPickedResult(RayTraceResult target)
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{
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if (this instanceof PaintingEntity)
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return new ItemStack(Items.PAINTING);
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else if (this instanceof LeashKnotEntity)
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return new ItemStack(Items.LEAD);
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else if (this instanceof ItemFrameEntity)
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{
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ItemStack held = ((ItemFrameEntity)this).getDisplayedItem();
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if (held.isEmpty())
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return new ItemStack(Items.ITEM_FRAME);
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else
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return held.copy();
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}
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else if (this instanceof AbstractMinecartEntity)
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return ((AbstractMinecartEntity)this).getCartItem();
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else if (this instanceof BoatEntity)
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return new ItemStack(((BoatEntity)this).getItemBoat());
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else if (this instanceof ArmorStandEntity)
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return new ItemStack(Items.ARMOR_STAND);
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else if (this instanceof EnderCrystalEntity)
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return new ItemStack(Items.END_CRYSTAL);
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else
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{
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SpawnEggItem egg = SpawnEggItem.getEgg(getEntity().getType());
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if (egg != null) return new ItemStack(egg);
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}
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return ItemStack.EMPTY;
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}
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/**
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* If a rider of this entity can interact with this entity. Should return true on the
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* ridden entity if so.
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*
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* @return if the entity can be interacted with from a rider
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*/
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default boolean canRiderInteract()
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{
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return false;
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}
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/**
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* Checks if this entity can continue to be ridden while it is underwater.
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*
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* @param rider The entity that is riding this entity
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* @return {@code true} if the entity can continue to ride underwater. {@code false} otherwise.
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*/
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default boolean canBeRiddenInWater(Entity rider)
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{
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return getEntity().canBeRiddenInWater();
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}
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/**
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* Checks if this {@link Entity} can trample a {@link Block}.
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*
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* @param pos The block pos
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* @param fallDistance The fall distance
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* @return {@code true} if this entity can trample, {@code false} otherwise
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*/
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boolean canTrample(BlockState state, BlockPos pos, float fallDistance);
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/**
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* Returns The classification of this entity
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* @param forSpawnCount If this is being invoked to check spawn count caps.
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* @return If the creature is of the type provided
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*/
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default EntityClassification getClassification(boolean forSpawnCount)
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{
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return getEntity().getType().getClassification();
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}
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/**
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* Gets whether this entity has been added to a world (for tracking). Specifically
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* between the times when an entity is added to a world and the entity being removed
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* from the world's tracked lists. See {@link World#onEntityAdded(Entity)} and
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* {@link World#onEntityRemoved(Entity)}.
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*
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* @return True if this entity is being tracked by a world
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*/
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boolean isAddedToWorld();
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/**
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* Called after the entity has been added to the world's
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* ticking list. Can be overriden, but needs to call super
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* to prevent MC-136995.
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*/
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void onAddedToWorld();
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/**
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* Called after the entity has been removed to the world's
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* ticking list. Can be overriden, but needs to call super
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* to prevent MC-136995.
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*/
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void onRemovedFromWorld();
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/**
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* Revives an entity that has been removed from a world.
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* Used as replacement for entity.removed = true. Having it as a function allows
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* the entity to react to being revived.
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*/
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void revive();
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}
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