/* * MIT License * * Copyright (c) 2019 Joseph Burton (Earthcomputer) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package de.florianmichael.viafabricplus.injection.mixin.fixes.minecraft.item; import com.viaversion.viaversion.api.protocol.version.ProtocolVersion; import de.florianmichael.vialoadingbase.ViaLoadingBase; import net.minecraft.block.Block; import net.minecraft.block.BlockState; import net.minecraft.block.Blocks; import net.minecraft.block.ChestBlock; import net.minecraft.block.enums.ChestType; import net.minecraft.item.BlockItem; import net.minecraft.item.ItemPlacementContext; import net.minecraft.util.math.BlockPos; import net.minecraft.util.math.Direction; import net.minecraft.world.World; import org.spongepowered.asm.mixin.Mixin; import org.spongepowered.asm.mixin.injection.At; import org.spongepowered.asm.mixin.injection.Inject; import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable; @Mixin(BlockItem.class) public class MixinBlockItem { @Inject(method = "canPlace", at = @At("HEAD"), cancellable = true) private void injectCanPlace(ItemPlacementContext context, BlockState state, CallbackInfoReturnable ci) { if (ViaLoadingBase.getClassWrapper().getTargetVersion().isOlderThanOrEqualTo(ProtocolVersion.v1_12_2)) { Block block = state.getBlock(); if (block == Blocks.CHEST || block == Blocks.TRAPPED_CHEST) { World world = context.getWorld(); BlockPos pos = context.getBlockPos(); boolean foundAdjChest = false; for (Direction dir : Direction.Type.HORIZONTAL) { BlockState otherState = world.getBlockState(pos.offset(dir)); if (otherState.getBlock() == block) { if (foundAdjChest) { ci.setReturnValue(false); return; } foundAdjChest = true; if (otherState.get(ChestBlock.CHEST_TYPE) != ChestType.SINGLE) { ci.setReturnValue(false); return; } } } } } } }