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Applied-Energistics-2/src/main/java/appeng/helpers/PatternHelper.java
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Java

/*
* This file is part of Applied Energistics 2.
* Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
*
* Applied Energistics 2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Applied Energistics 2 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
*/
package appeng.helpers;
import java.util.*;
import net.minecraft.inventory.InventoryCrafting;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.CraftingManager;
import net.minecraft.item.crafting.IRecipe;
import net.minecraft.item.crafting.Ingredient;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.util.NonNullList;
import net.minecraft.world.World;
import appeng.api.AEApi;
import appeng.api.networking.crafting.ICraftingPatternDetails;
import appeng.api.storage.channels.IItemStorageChannel;
import appeng.api.storage.data.IAEItemStack;
import appeng.container.ContainerNull;
import appeng.util.Platform;
import appeng.util.item.AEItemStack;
import net.minecraftforge.common.crafting.IShapedRecipe;
public class PatternHelper implements ICraftingPatternDetails, Comparable<PatternHelper>
{
private static final int CRAFTING_GRID_DIMENSION = 3;
private static final int CRAFTING_INPUT_LIMIT = CRAFTING_GRID_DIMENSION * CRAFTING_GRID_DIMENSION;
public static final int PROCESSING_INPUT_HEIGHT = 4;
public static final int PROCESSING_INPUT_WIDTH = 4;
public static final int PROCESSING_INPUT_LIMIT = PROCESSING_INPUT_HEIGHT * PROCESSING_INPUT_WIDTH;
private static final int CRAFTING_OUTPUT_LIMIT = 1;
public static final int PROCESSING_OUTPUT_LIMIT = 6;
private final ItemStack patternItem;
private final InventoryCrafting crafting;
private final InventoryCrafting testFrame;
private final ItemStack correctOutput;
private final IRecipe standardRecipe;
private final IAEItemStack[] condensedInputs;
private final IAEItemStack[] condensedOutputs;
private final IAEItemStack[] inputs;
private final IAEItemStack[] outputs;
private final Map<Integer, List<IAEItemStack>> substituteInputs;
private final boolean isCrafting;
private final boolean canSubstitute;
private final Set<TestLookup> failCache = new HashSet<>();
private final Set<TestLookup> passCache = new HashSet<>();
private final IAEItemStack pattern;
private int priority = 0;
public PatternHelper( final ItemStack is, final World w )
{
final NBTTagCompound encodedValue = is.getTagCompound();
if( encodedValue == null )
{
throw new IllegalArgumentException( "No pattern here!" );
}
final NBTTagList inTag = encodedValue.getTagList( "in", 10 );
final NBTTagList outTag = encodedValue.getTagList( "out", 10 );
this.isCrafting = encodedValue.getBoolean( "crafting" );
crafting = new InventoryCrafting( new ContainerNull(), isCrafting ? 3 : 4, isCrafting ? 3 : 4 );
testFrame = new InventoryCrafting( new ContainerNull(), isCrafting ? 3 : 4, isCrafting ? 3 : 4 );
this.canSubstitute = this.isCrafting && encodedValue.getBoolean( "substitute" );
this.patternItem = is;
this.pattern = AEItemStack.fromItemStack( is );
final List<IAEItemStack> in = new ArrayList<>();
final List<IAEItemStack> out = new ArrayList<>();
for( int x = 0; x < inTag.tagCount(); x++ )
{
NBTTagCompound ingredient = inTag.getCompoundTagAt( x );
final ItemStack gs = new ItemStack( ingredient );
if( !ingredient.hasNoTags() && gs.isEmpty() )
{
throw new IllegalArgumentException( "No pattern here!" );
}
this.crafting.setInventorySlotContents( x, gs );
if( !gs.isEmpty() && ( !this.isCrafting || !gs.hasTagCompound() ) )
{
this.markItemAs( x, gs, TestStatus.ACCEPT );
}
in.add( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createStack( gs ) );
this.testFrame.setInventorySlotContents( x, gs );
}
if( this.isCrafting )
{
this.standardRecipe = CraftingManager.findMatchingRecipe( this.crafting, w );
if( this.standardRecipe != null )
{
this.correctOutput = this.standardRecipe.getCraftingResult( this.crafting );
out.add( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createStack( this.correctOutput ) );
}
else
{
throw new IllegalStateException( "No pattern here!" );
}
}
else
{
this.standardRecipe = null;
this.correctOutput = ItemStack.EMPTY;
for( int x = 0; x < outTag.tagCount(); x++ )
{
NBTTagCompound resultItemTag = outTag.getCompoundTagAt( x );
final ItemStack gs = new ItemStack( resultItemTag );
if( !resultItemTag.hasNoTags() && gs.isEmpty() )
{
throw new IllegalArgumentException( "No pattern here!" );
}
if( !gs.isEmpty() )
{
out.add( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createStack( gs ) );
}
}
}
final int outputLength = out.size();
this.inputs = in.toArray( new IAEItemStack[isCrafting ? CRAFTING_INPUT_LIMIT : PROCESSING_INPUT_LIMIT] );
this.outputs = out.toArray( new IAEItemStack[outputLength] );
this.substituteInputs = new HashMap<>( CRAFTING_INPUT_LIMIT );
final Map<IAEItemStack, IAEItemStack> tmpOutputs = new HashMap<>();
for( final IAEItemStack io : this.outputs )
{
if( io == null )
{
continue;
}
final IAEItemStack g = tmpOutputs.get( io );
if( g == null )
{
tmpOutputs.put( io, io.copy() );
}
else
{
g.add( io );
}
}
final Map<IAEItemStack, IAEItemStack> tmpInputs = new HashMap<>();
for( final IAEItemStack io : this.inputs )
{
if( io == null )
{
continue;
}
final IAEItemStack g = tmpInputs.get( io );
if( g == null )
{
tmpInputs.put( io, io.copy() );
}
else
{
g.add( io );
}
}
if( tmpOutputs.isEmpty() || tmpInputs.isEmpty() )
{
throw new IllegalStateException( "No pattern here!" );
}
this.condensedInputs = new IAEItemStack[tmpInputs.size()];
int offset = 0;
for( final IAEItemStack io : tmpInputs.values() )
{
this.condensedInputs[offset] = io;
offset++;
}
offset = 0;
this.condensedOutputs = new IAEItemStack[tmpOutputs.size()];
for( final IAEItemStack io : tmpOutputs.values() )
{
this.condensedOutputs[offset] = io;
offset++;
}
}
private void markItemAs( final int slotIndex, final ItemStack i, final TestStatus b )
{
if( b == TestStatus.TEST || i.hasTagCompound() )
{
return;
}
( b == TestStatus.ACCEPT ? this.passCache : this.failCache ).add( new TestLookup( slotIndex, i ) );
}
@Override
public ItemStack getPattern()
{
return this.patternItem;
}
@Override
public synchronized boolean isValidItemForSlot( final int slotIndex, final ItemStack i, final World w )
{
if( !this.isCrafting )
{
throw new IllegalStateException( "Only crafting recipes supported." );
}
final TestStatus result = this.getStatus( slotIndex, i );
switch( result )
{
case ACCEPT:
return true;
case DECLINE:
return false;
case TEST:
default:
break;
}
for( int x = 0; x < this.crafting.getSizeInventory(); x++ )
{
this.testFrame.setInventorySlotContents( x, this.crafting.getStackInSlot( x ) );
}
this.testFrame.setInventorySlotContents( slotIndex, i );
// If we cannot substitute, the items must match exactly
if (!canSubstitute && slotIndex < inputs.length) {
if (!inputs[slotIndex].isSameType(i)) {
this.markItemAs(slotIndex, i, TestStatus.DECLINE);
return false;
}
}
if( this.standardRecipe.matches( this.testFrame, w ) )
{
final ItemStack testOutput = this.standardRecipe.getCraftingResult( this.testFrame );
if( Platform.itemComparisons().isSameItem( this.correctOutput, testOutput ) )
{
this.testFrame.setInventorySlotContents( slotIndex, this.crafting.getStackInSlot( slotIndex ) );
this.markItemAs( slotIndex, i, TestStatus.ACCEPT );
return true;
}
}
this.markItemAs( slotIndex, i, TestStatus.DECLINE );
return false;
}
@Override
public boolean isCraftable()
{
return this.isCrafting;
}
@Override
public IAEItemStack[] getInputs()
{
return this.inputs;
}
@Override
public IAEItemStack[] getCondensedInputs()
{
return this.condensedInputs;
}
@Override
public IAEItemStack[] getCondensedOutputs()
{
return this.condensedOutputs;
}
@Override
public IAEItemStack[] getOutputs()
{
return this.outputs;
}
@Override
public boolean canSubstitute()
{
return this.canSubstitute;
}
@Override
public List<IAEItemStack> getSubstituteInputs(int slot) {
if (this.inputs[slot] == null) {
return Collections.emptyList();
}
return this.substituteInputs.computeIfAbsent(slot, value -> {
ItemStack[] matchingStacks = getRecipeIngredient(slot).getMatchingStacks();
List<IAEItemStack> itemList = new ArrayList<>(matchingStacks.length + 1);
for (ItemStack matchingStack : matchingStacks) {
itemList.add(AEItemStack.fromItemStack(matchingStack));
}
// Ensure that the specific item put in by the user is at the beginning,
// so that it takes precedence over substitutions
itemList.add(0, this.inputs[slot]);
return itemList;
});
}
/**
* Gets the {@link Ingredient} from the actual used recipe for a given slot-index into {@link #getInputs()}.
* <p/>
* Conversion is needed for two reasons: our sparse ingredients are always organized in a 3x3 grid, while Vanilla's
* ingredient list will be condensed to the actual recipe's grid size. In addition, in our 3x3 grid, the user can
* shift the actual recipe input to the right and down.
*/
private Ingredient getRecipeIngredient(int slot) {
if (standardRecipe instanceof IShapedRecipe ) {
IShapedRecipe shapedRecipe = (IShapedRecipe) standardRecipe;
return getShapedRecipeIngredient(slot, shapedRecipe.getRecipeWidth());
} else {
return getShapelessRecipeIngredient(slot);
}
}
private Ingredient getShapedRecipeIngredient(int slot, int recipeWidth) {
// Compute the offset of the user's input vs. crafting grid origin
// Which is >0 if they have empty rows above or to the left of their input
int topOffset = 0;
if (inputs[0] == null && inputs[1] == null && inputs[2] == null) {
topOffset++; // First row is fully empty
if (inputs[3] == null && inputs[4] == null && inputs[5] == null) {
topOffset++; // Second row is fully empty
}
}
int leftOffset = 0;
if (inputs[0] == null && inputs[3] == null && inputs[6] == null) {
leftOffset++; // First column is fully empty
if (inputs[1] == null && inputs[4] == null && inputs[7] == null) {
leftOffset++; // Second column is fully empty
}
}
// Compute the x,y of the slot, as-if the recipe was anchored to 0,0
int slotX = slot % CRAFTING_GRID_DIMENSION - leftOffset;
int slotY = slot / CRAFTING_GRID_DIMENSION - topOffset;
// Compute the index into the recipe's ingredient list now
int ingredientIndex = slotY * recipeWidth + slotX;
NonNullList<Ingredient> ingredients = standardRecipe.getIngredients();
if (ingredientIndex < 0 || ingredientIndex > ingredients.size()) {
return Ingredient.EMPTY;
}
return ingredients.get(ingredientIndex);
}
private Ingredient getShapelessRecipeIngredient(int slot) {
// We map the list of *filled* sparse inputs to the shapeless (ergo unordered)
// ingredients. While these do not actually correspond to each other,
// since both lists have the same length, the mapping is at least stable.
int ingredientIndex = 0;
for (int i = 0; i < slot; i++) {
if (inputs[i] != null) {
ingredientIndex++;
}
}
NonNullList<Ingredient> ingredients = standardRecipe.getIngredients();
if (ingredientIndex < ingredients.size()) {
return ingredients.get(ingredientIndex);
}
return Ingredient.EMPTY;
}
@Override
public ItemStack getOutput( final InventoryCrafting craftingInv, final World w )
{
if( !this.isCrafting )
{
throw new IllegalStateException( "Only crafting recipes supported." );
}
for( int x = 0; x < craftingInv.getSizeInventory(); x++ )
{
if( !this.isValidItemForSlot( x, craftingInv.getStackInSlot( x ), w ) )
{
return ItemStack.EMPTY;
}
}
if( this.outputs != null && this.outputs.length > 0 )
{
return this.outputs[0].createItemStack();
}
return ItemStack.EMPTY;
}
private TestStatus getStatus( final int slotIndex, final ItemStack i )
{
if( this.crafting.getStackInSlot( slotIndex ).isEmpty() )
{
return i.isEmpty() ? TestStatus.ACCEPT : TestStatus.DECLINE;
}
if( i.isEmpty() )
{
return TestStatus.DECLINE;
}
if( i.hasTagCompound() )
{
return TestStatus.TEST;
}
if( this.passCache.contains( new TestLookup( slotIndex, i ) ) )
{
return TestStatus.ACCEPT;
}
if( this.failCache.contains( new TestLookup( slotIndex, i ) ) )
{
return TestStatus.DECLINE;
}
return TestStatus.TEST;
}
@Override
public int getPriority()
{
return this.priority;
}
@Override
public void setPriority( final int priority )
{
this.priority = priority;
}
@Override
public int compareTo( final PatternHelper o )
{
return Integer.compare( o.priority, this.priority );
}
@Override
public int hashCode()
{
return this.pattern.hashCode();
}
@Override
public boolean equals( final Object obj )
{
if( obj == null )
{
return false;
}
if( this.getClass() != obj.getClass() )
{
return false;
}
final PatternHelper other = (PatternHelper) obj;
if( this.pattern != null && other.pattern != null )
{
return this.pattern.equals( other.pattern );
}
return false;
}
private enum TestStatus
{
ACCEPT, DECLINE, TEST
}
private static final class TestLookup
{
private final int slot;
private final int ref;
private final int hash;
public TestLookup( final int slot, final ItemStack i )
{
this( slot, i.getItem(), i.getItemDamage() );
}
public TestLookup( final int slot, final Item item, final int dmg )
{
this.slot = slot;
this.ref = ( dmg << Platform.DEF_OFFSET ) | ( Item.getIdFromItem( item ) & 0xffff );
final int offset = 3 * slot;
this.hash = ( this.ref << offset ) | ( this.ref >> ( offset + 32 ) );
}
@Override
public int hashCode()
{
return this.hash;
}
@Override
public boolean equals( final Object obj )
{
final boolean equality;
if( obj instanceof TestLookup )
{
final TestLookup b = (TestLookup) obj;
equality = b.slot == this.slot && b.ref == this.ref;
}
else
{
equality = false;
}
return equality;
}
}
}