Every Block had a call to its super, passing its own class. This can easily be simulated by calling `this.getClass()` in the super class. Also this was basically only used as using a name. In the future it might be advisable to not use such methods, since they are prone to refactoring.
219 lines
5 KiB
Java
219 lines
5 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.util.item;
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import java.lang.ref.WeakReference;
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import java.util.WeakHashMap;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemStack;
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import net.minecraft.nbt.NBTTagCompound;
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import appeng.api.AEApi;
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import appeng.api.features.IItemComparison;
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import appeng.api.storage.data.IAETagCompound;
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import appeng.util.Platform;
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/*
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* this is used for the shared NBT Cache.
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*/
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public class AESharedNBT extends NBTTagCompound implements IAETagCompound
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{
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/*
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* Shared Tag Compound Cache.
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*/
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private static final WeakHashMap<SharedSearchObject, WeakReference<SharedSearchObject>> SHARED_TAG_COMPOUND = new WeakHashMap<SharedSearchObject, WeakReference<SharedSearchObject>>();
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private final Item item;
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private final int meta;
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public SharedSearchObject sso;
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private int hash;
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private IItemComparison comp;
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private AESharedNBT( Item itemID, int damageValue )
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{
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this.item = itemID;
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this.meta = damageValue;
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}
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public AESharedNBT( int fakeValue )
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{
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this.item = null;
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this.meta = 0;
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this.hash = fakeValue;
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}
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/*
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* Debug purposes.
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*/
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public static int sharedTagLoad()
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{
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return SHARED_TAG_COMPOUND.size();
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}
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/*
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* Returns an NBT Compound that is used for accelerating comparisons.
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*/
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public static synchronized NBTTagCompound getSharedTagCompound( NBTTagCompound tagCompound, ItemStack s )
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{
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if( tagCompound.hasNoTags() )
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{
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return null;
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}
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Item item = s.getItem();
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int meta = -1;
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if( s.getItem() != null && s.isItemStackDamageable() && s.getHasSubtypes() )
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{
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meta = s.getItemDamage();
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}
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if( isShared( tagCompound ) )
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{
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return tagCompound;
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}
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SharedSearchObject sso = new SharedSearchObject( item, meta, tagCompound );
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WeakReference<SharedSearchObject> c = SHARED_TAG_COMPOUND.get( sso );
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if( c != null )
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{
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SharedSearchObject cg = c.get();
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if( cg != null )
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{
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return cg.shared; // I don't think I really need to check this
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}
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// as its already certain to exist..
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}
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AESharedNBT clone = AESharedNBT.createFromCompound( item, meta, tagCompound );
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sso.compound = (NBTTagCompound) sso.compound.copy(); // prevent
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// modification
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// of data based
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// on original
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// item.
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sso.shared = clone;
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clone.sso = sso;
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SHARED_TAG_COMPOUND.put( sso, new WeakReference<SharedSearchObject>( sso ) );
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return clone;
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}
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/*
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* returns true if the compound is part of the shared compound system ( and can thus be compared directly ).
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*/
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public static boolean isShared( NBTTagCompound ta )
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{
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return ta instanceof AESharedNBT;
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}
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public static AESharedNBT createFromCompound( Item itemID, int damageValue, NBTTagCompound c )
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{
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AESharedNBT x = new AESharedNBT( itemID, damageValue );
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// c.getTags()
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for( Object o : c.func_150296_c() )
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{
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String name = (String) o;
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x.setTag( name, c.getTag( name ).copy() );
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}
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x.hash = Platform.NBTOrderlessHash( c );
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ItemStack isc = new ItemStack( itemID, 1, damageValue );
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isc.setTagCompound( c );
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x.comp = AEApi.instance().registries().specialComparison().getSpecialComparison( isc );
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return x;
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}
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public int getHash()
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{
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return this.hash;
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}
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@Override
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public NBTTagCompound getNBTTagCompoundCopy()
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{
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return (NBTTagCompound) this.copy();
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}
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@Override
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public IItemComparison getSpecialComparison()
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{
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return this.comp;
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}
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@Override
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public boolean equals( Object par1Obj )
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{
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if( par1Obj instanceof AESharedNBT )
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{
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return this == par1Obj;
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}
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return super.equals( par1Obj );
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}
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public boolean matches( Item item, int meta, int orderlessHash )
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{
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return item == this.item && this.meta == meta && this.hash == orderlessHash;
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}
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public boolean comparePreciseWithRegistry( AESharedNBT tagCompound )
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{
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if( this == tagCompound )
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{
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return true;
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}
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if( this.comp != null && tagCompound.comp != null )
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{
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return this.comp.sameAsPrecise( tagCompound.comp );
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}
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return false;
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}
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public boolean compareFuzzyWithRegistry( AESharedNBT tagCompound )
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{
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if( this == tagCompound )
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{
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return true;
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}
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if( tagCompound == null )
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{
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return false;
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}
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if( this.comp == tagCompound.comp )
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{
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return true;
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}
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if( this.comp != null )
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{
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return this.comp.sameAsFuzzy( tagCompound.comp );
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}
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return false;
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}
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}
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