Sebastian Hartte
320 lines
12 KiB
Java
320 lines
12 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
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*
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* Applied Energistics 2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the 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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* Applied Energistics 2 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
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* GNU 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 License
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* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
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*/
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package appeng.block;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.function.Supplier;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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import com.google.common.collect.Lists;
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import net.minecraft.block.Block;
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import net.minecraft.block.BlockEntityProvider;
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import net.minecraft.block.BlockState;
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import net.minecraft.block.entity.BlockEntity;
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import net.minecraft.entity.LivingEntity;
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import net.minecraft.entity.player.PlayerEntity;
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import net.minecraft.item.ItemStack;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.text.LiteralText;
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import net.minecraft.text.Text;
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import net.minecraft.util.ActionResult;
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import net.minecraft.util.Hand;
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import net.minecraft.util.hit.BlockHitResult;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.MathHelper;
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import net.minecraft.world.BlockView;
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import net.minecraft.world.World;
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import alexiil.mc.lib.attributes.AttributeList;
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import alexiil.mc.lib.attributes.AttributeProvider;
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import alexiil.mc.lib.attributes.item.FixedItemInv;
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import appeng.api.implementations.items.IMemoryCard;
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import appeng.api.implementations.items.MemoryCardMessages;
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import appeng.api.util.IOrientable;
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import appeng.block.networking.CableBusBlock;
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import appeng.tile.AEBaseBlockEntity;
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import appeng.tile.AEBaseInvBlockEntity;
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import appeng.tile.networking.CableBusBlockEntity;
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import appeng.tile.storage.SkyChestBlockEntity;
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import appeng.util.Platform;
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import appeng.util.SettingsFrom;
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public abstract class AEBaseTileBlock<T extends AEBaseBlockEntity> extends AEBaseBlock
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implements BlockEntityProvider, AttributeProvider {
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@Nonnull
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private Class<T> blockEntityClass;
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@Nonnull
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private Supplier<T> tileEntityFactory;
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public AEBaseTileBlock(final Settings props) {
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super(props);
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}
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// TODO : Was this change needed?
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public void setTileEntity(final Class<T> tileEntityClass, Supplier<T> factory) {
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this.blockEntityClass = tileEntityClass;
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this.tileEntityFactory = factory;
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this.setInventory(AEBaseInvBlockEntity.class.isAssignableFrom(tileEntityClass));
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}
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public Class<T> getBlockEntityClass() {
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return this.blockEntityClass;
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}
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@Nullable
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public T getBlockEntity(final BlockView w, final int x, final int y, final int z) {
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return this.getBlockEntity(w, new BlockPos(x, y, z));
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}
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@Nullable
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public T getBlockEntity(final BlockView w, final BlockPos pos) {
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final BlockEntity te = w.getBlockEntity(pos);
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// FIXME: This gets called as part of building the block state cache
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if (this.blockEntityClass != null && this.blockEntityClass.isInstance(te)) {
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return this.blockEntityClass.cast(te);
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}
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return null;
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}
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@Nullable
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@Override
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public BlockEntity createBlockEntity(BlockView world) {
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return this.tileEntityFactory.get();
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}
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@Override
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public void onStateReplaced(BlockState state, World w, BlockPos pos, BlockState newState, boolean isMoving) {
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if (newState.getBlock() == state.getBlock()) {
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return; // Just a block state change
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}
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final AEBaseBlockEntity te = this.getBlockEntity(w, pos);
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if (te != null) {
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final ArrayList<ItemStack> drops = new ArrayList<>();
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if (te.dropItems()) {
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te.getDrops(w, pos, drops);
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} else {
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te.getNoDrops(w, pos, drops);
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}
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// Cry ;_; ...
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Platform.spawnDrops(w, pos, drops);
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}
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// super will remove the TE, as it is not an instance of BlockContainer
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super.onStateReplaced(state, w, pos, newState, isMoving);
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}
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@Override
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public int getComparatorOutput(BlockState state, final World w, final BlockPos pos) {
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final BlockEntity te = this.getBlockEntity(w, pos);
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if (te instanceof AEBaseInvBlockEntity) {
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AEBaseInvBlockEntity invTile = (AEBaseInvBlockEntity) te;
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if (invTile.getInternalInventory().getSlotCount() > 0) {
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return getRedstoneFromFixedItemInv(invTile.getInternalInventory());
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}
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}
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return 0;
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}
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/**
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* Calculate redstone output level. 0 if completely empty, 1 if _any_ item is
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* present, up to 15 if all slots are full.
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*/
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private int getRedstoneFromFixedItemInv(FixedItemInv inv) {
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boolean foundAnything = false; // ANY slots non-empty?
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float fillRatio = 0;
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for (int i = 0; i < inv.getSlotCount(); ++i) {
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ItemStack stack = inv.getInvStack(i);
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if (stack.isEmpty()) {
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continue;
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}
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int slotMaxCount = inv.getMaxAmount(i, stack);
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fillRatio += stack.getCount() / (float) Math.min(slotMaxCount, stack.getMaxCount());
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foundAnything = true;
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}
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// Average the ratio across all slots
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fillRatio /= inv.getSlotCount();
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// Always return at least non-zero if _any_ slots are non-empty
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return (foundAnything ? 1 : 0) + MathHelper.floor(fillRatio * 14.0f);
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}
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@Override
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public boolean onSyncedBlockEvent(BlockState state, World world, BlockPos pos, int type, int data) {
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super.onSyncedBlockEvent(state, world, pos, type, data);
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final BlockEntity tileentity = world.getBlockEntity(pos);
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return tileentity != null && tileentity.onSyncedBlockEvent(type, data);
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}
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@Override
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public void onPlaced(final World w, final BlockPos pos, final BlockState state, final LivingEntity placer,
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final ItemStack is) {
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// Inherit the item stack's display name, but only if it's a user defined string
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// rather
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// than a translation component, since our custom naming cannot handle
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// untranslated
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// I18N strings and we would translate it using the server's locale :-(
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AEBaseBlockEntity te = this.getBlockEntity(w, pos);
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if (te != null && is.hasCustomName()) {
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Text displayName = is.getName();
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if (displayName instanceof LiteralText) {
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te.setName(((LiteralText) displayName).getRawString());
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}
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}
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}
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@Override
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public ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand,
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BlockHitResult hit) {
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ItemStack heldItem;
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if (player != null && !player.getStackInHand(hand).isEmpty()) {
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heldItem = player.getStackInHand(hand);
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if (Platform.isWrench(player, heldItem, pos) && player.isInSneakingPose()) {
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final BlockState blockState = world.getBlockState(pos);
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final Block block = blockState.getBlock();
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final AEBaseBlockEntity tile = this.getBlockEntity(world, pos);
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if (tile == null) {
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return ActionResult.FAIL;
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}
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if (tile instanceof CableBusBlockEntity || tile instanceof SkyChestBlockEntity) {
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return ActionResult.FAIL;
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}
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final ItemStack[] itemDropCandidates = Platform.getBlockDrops(world, pos);
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final ItemStack op = new ItemStack(this);
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for (final ItemStack ol : itemDropCandidates) {
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if (Platform.itemComparisons().isEqualItemType(ol, op)) {
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final CompoundTag tag = tile.downloadSettings(SettingsFrom.DISMANTLE_ITEM);
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if (tag != null) {
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ol.setTag(tag);
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}
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}
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}
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block.onBreak(world, pos, blockState, player);
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boolean bl = world.removeBlock(pos, false);
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if (bl) {
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block.onBroken(world, pos, blockState);
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final List<ItemStack> itemsToDrop = Lists.newArrayList(itemDropCandidates);
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Platform.spawnDrops(world, pos, itemsToDrop);
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}
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return ActionResult.SUCCESS;
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}
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if (heldItem.getItem() instanceof IMemoryCard && !(this instanceof CableBusBlock)) {
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final IMemoryCard memoryCard = (IMemoryCard) heldItem.getItem();
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final AEBaseBlockEntity tileEntity = this.getBlockEntity(world, pos);
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if (tileEntity == null) {
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return ActionResult.FAIL;
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}
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final String name = this.getTranslationKey();
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if (player.isInSneakingPose()) {
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final CompoundTag data = tileEntity.downloadSettings(SettingsFrom.MEMORY_CARD);
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if (data != null) {
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memoryCard.setMemoryCardContents(heldItem, name, data);
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memoryCard.notifyUser(player, MemoryCardMessages.SETTINGS_SAVED);
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}
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} else {
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final String savedName = memoryCard.getSettingsName(heldItem);
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final CompoundTag data = memoryCard.getData(heldItem);
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if (this.getTranslationKey().equals(savedName)) {
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tileEntity.uploadSettings(SettingsFrom.MEMORY_CARD, data);
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memoryCard.notifyUser(player, MemoryCardMessages.SETTINGS_LOADED);
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} else {
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memoryCard.notifyUser(player, MemoryCardMessages.INVALID_MACHINE);
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}
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}
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return ActionResult.SUCCESS;
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}
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}
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return this.onActivated(world, pos, player, hand, player.getStackInHand(hand), hit);
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}
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public ActionResult onActivated(final World w, final BlockPos pos, final PlayerEntity player, final Hand hand,
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final @Nullable ItemStack heldItem, final BlockHitResult hit) {
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return ActionResult.PASS;
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}
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@Override
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public IOrientable getOrientable(final BlockView w, final BlockPos pos) {
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return this.getBlockEntity(w, pos);
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}
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/**
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* Returns the BlockState based on the given BlockState while considering the
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* state of the given TileEntity.
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* <p>
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* If the given TileEntity is not of the right type for this block, the state is
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* returned unchanged, this is also the case if the given block state does not
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* belong to this block.
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*/
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public final BlockState getBlockEntityBlockState(BlockState current, BlockEntity te) {
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if (current.getBlock() != this || !blockEntityClass.isInstance(te)) {
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return current;
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}
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return updateBlockStateFromTileEntity(current, blockEntityClass.cast(te));
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}
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/**
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* Reimplement this in subclasses to allow tile-entities to update the state of
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* their block when their own state changes.
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* <p>
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* It is guaranteed that te is not-null and the block of the given block state
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* is this exact block instance.
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*/
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protected BlockState updateBlockStateFromTileEntity(BlockState currentState, T te) {
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return currentState;
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}
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// Gives our tile entity a chance to provide it's attributes
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@Override
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public void addAllAttributes(World world, BlockPos pos, BlockState state, AttributeList<?> to) {
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T te = getBlockEntity(world, pos);
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if (te != null) {
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te.addAllAttributes(world, pos, state, to);
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}
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}
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}
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