2014-04-06 08:41:28 +00:00
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/*
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* WorldEdit, a Minecraft world manipulation toolkit
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* Copyright (C) sk89q <http://www.sk89q.com>
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* Copyright (C) WorldEdit team and contributors
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldedit.forge;
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2018-07-30 13:26:06 +00:00
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import static com.google.common.base.Preconditions.checkNotNull;
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2015-01-16 03:39:15 +00:00
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2018-10-14 10:40:53 +00:00
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import com.sk89q.worldedit.math.BlockVector3;
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2014-04-06 08:41:28 +00:00
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.nbt.NBTTagInt;
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import net.minecraft.tileentity.TileEntity;
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2016-03-19 16:53:52 +00:00
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import net.minecraft.util.math.BlockPos;
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2014-04-06 08:41:28 +00:00
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import net.minecraft.world.World;
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2018-07-30 13:26:06 +00:00
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import java.lang.reflect.Constructor;
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import javax.annotation.Nullable;
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2014-04-06 08:41:28 +00:00
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/**
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* Utility methods for setting tile entities in the world.
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*/
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2014-07-29 18:04:04 +00:00
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final class TileEntityUtils {
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2014-04-06 08:41:28 +00:00
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private TileEntityUtils() {
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}
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/**
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* Update the given tag compound with position information.
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*
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* @param tag the tag
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* @param position the position
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* @return a tag compound
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*/
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2018-10-14 10:40:53 +00:00
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private static NBTTagCompound updateForSet(NBTTagCompound tag, BlockVector3 position) {
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2014-04-06 08:41:28 +00:00
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checkNotNull(tag);
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checkNotNull(position);
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2019-02-19 10:30:52 +00:00
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tag.put("x", new NBTTagInt(position.getBlockX()));
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tag.put("y", new NBTTagInt(position.getBlockY()));
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tag.put("z", new NBTTagInt(position.getBlockZ()));
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2014-04-06 08:41:28 +00:00
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return tag;
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}
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/**
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* Set a tile entity at the given location.
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*
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* @param world the world
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* @param position the position
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* @param clazz the tile entity class
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* @param tag the tag for the tile entity (may be null to not set NBT data)
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*/
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2018-10-14 10:40:53 +00:00
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static void setTileEntity(World world, BlockVector3 position, Class<? extends TileEntity> clazz, @Nullable NBTTagCompound tag) {
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2014-04-06 08:41:28 +00:00
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checkNotNull(world);
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checkNotNull(position);
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checkNotNull(clazz);
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TileEntity tileEntity = constructTileEntity(world, position, clazz);
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if (tileEntity == null) {
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return;
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}
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if (tag != null) {
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// Set X, Y, Z
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updateForSet(tag, position);
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2018-12-15 12:13:13 +00:00
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tileEntity.read(tag);
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2014-04-06 08:41:28 +00:00
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}
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2015-01-16 03:39:15 +00:00
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world.setTileEntity(new BlockPos(position.getBlockX(), position.getBlockY(), position.getBlockZ()), tileEntity);
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2014-04-06 08:41:28 +00:00
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}
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/**
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* Set a tile entity at the given location using the tile entity ID from
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* the tag.
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*
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* @param world the world
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* @param position the position
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* @param tag the tag for the tile entity (may be null to do nothing)
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*/
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2018-10-14 10:40:53 +00:00
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static void setTileEntity(World world, BlockVector3 position, @Nullable NBTTagCompound tag) {
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2014-04-06 08:41:28 +00:00
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if (tag != null) {
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updateForSet(tag, position);
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2018-12-15 12:13:13 +00:00
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TileEntity tileEntity = TileEntity.create(tag);
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2014-04-06 08:41:28 +00:00
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if (tileEntity != null) {
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2015-01-16 03:39:15 +00:00
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world.setTileEntity(new BlockPos(position.getBlockX(), position.getBlockY(), position.getBlockZ()), tileEntity);
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2014-04-06 08:41:28 +00:00
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}
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}
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}
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/**
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* Construct a tile entity from the given class.
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*
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* @param world the world
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* @param position the position
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* @param clazz the class
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* @return a tile entity (may be null if it failed)
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*/
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2014-07-29 18:04:04 +00:00
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@Nullable
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2018-10-14 10:40:53 +00:00
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static TileEntity constructTileEntity(World world, BlockVector3 position, Class<? extends TileEntity> clazz) {
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2014-04-06 08:41:28 +00:00
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Constructor<? extends TileEntity> baseConstructor;
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try {
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baseConstructor = clazz.getConstructor(); // creates "blank" TE
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} catch (Throwable e) {
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return null; // every TE *should* have this constructor, so this isn't necessary
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}
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TileEntity genericTE;
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try {
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2016-06-25 07:01:29 +00:00
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genericTE = baseConstructor.newInstance();
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2014-04-06 08:41:28 +00:00
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} catch (Throwable e) {
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return null;
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}
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/*
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genericTE.blockType = Block.blocksList[block.getId()];
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genericTE.blockMetadata = block.getData();
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genericTE.xCoord = pt.getBlockX();
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genericTE.yCoord = pt.getBlockY();
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genericTE.zCoord = pt.getBlockZ();
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genericTE.worldObj = world;
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*/ // handled by internal code
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return genericTE;
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}
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2018-08-13 12:18:12 +00:00
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public static NBTTagCompound copyNbtData(TileEntity tile) {
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NBTTagCompound tag = new NBTTagCompound();
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2018-12-15 12:13:13 +00:00
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tile.write(tag);
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2018-08-13 12:18:12 +00:00
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return tag;
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}
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2014-04-06 08:41:28 +00:00
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}
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