ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityItemViewer.java

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/*
* This file ("TileEntityItemViewer.java") is part of the Actually Additions mod for Minecraft.
* It is created and owned by Ellpeck and distributed
* under the Actually Additions License to be found at
* http://ellpeck.de/actaddlicense
* View the source code at https://github.com/Ellpeck/ActuallyAdditions
*
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* © 2015-2016 Ellpeck
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*/
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package de.ellpeck.actuallyadditions.mod.tile;
import de.ellpeck.actuallyadditions.api.ActuallyAdditionsAPI;
import de.ellpeck.actuallyadditions.api.laser.Network;
import de.ellpeck.actuallyadditions.mod.util.StackUtil;
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import de.ellpeck.actuallyadditions.mod.util.WorldUtil;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.math.BlockPos;
import net.minecraftforge.items.IItemHandler;
import net.minecraftforge.items.wrapper.SidedInvWrapper;
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import java.util.*;
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public class TileEntityItemViewer extends TileEntityInventoryBase{
private final List<GenericItemHandlerInfo> genericInfos = new ArrayList<GenericItemHandlerInfo>();
private final Map<Integer, SpecificItemHandlerInfo> specificInfos = new HashMap<Integer, SpecificItemHandlerInfo>();
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public TileEntityLaserRelayItem connectedRelay;
private Network oldNetwork;
private int lastNetworkChangeAmount = -1;
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public TileEntityItemViewer(){
super(0, "itemViewer");
}
@Override
public void updateEntity(){
super.updateEntity();
}
@Override
protected void getInvWrappers(SidedInvWrapper[] wrappers){
for(int i = 0; i < wrappers.length; i++){
final EnumFacing direction = EnumFacing.values()[i];
wrappers[i] = new SidedInvWrapper(this, direction){
@Override
public ItemStack insertItem(int slot, ItemStack stack, boolean simulate){
if(TileEntityItemViewer.this.canInsertItem(slot, stack, direction)){
SpecificItemHandlerInfo info = TileEntityItemViewer.this.getSwitchedIndexHandler(slot);
if(info != null){
return info.handler.insertItem(info.switchedIndex, stack, simulate);
}
}
return super.insertItem(slot, stack, simulate);
}
@Override
public ItemStack extractItem(int slot, int amount, boolean simulate){
ItemStack stackIn = TileEntityItemViewer.this.getStackInSlot(slot);
if(StackUtil.isValid(stackIn)){
if(TileEntityItemViewer.this.canExtractItem(slot, stackIn, direction)){
SpecificItemHandlerInfo info = TileEntityItemViewer.this.getSwitchedIndexHandler(slot);
if(info != null){
return info.handler.extractItem(info.switchedIndex, amount, simulate);
}
}
}
return super.extractItem(slot, amount, simulate);
}
};
}
}
private List<GenericItemHandlerInfo> getItemHandlerInfos(){
this.queryAndSaveData();
return this.genericInfos;
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}
private void queryAndSaveData(){
if(this.connectedRelay != null){
Network network = ActuallyAdditionsAPI.connectionHandler.getNetworkFor(this.connectedRelay.getPos(), this.worldObj);
if(network != null && (this.oldNetwork != network || this.lastNetworkChangeAmount != network.changeAmount)){
this.genericInfos.clear();
this.specificInfos.clear();
this.connectedRelay.getItemHandlersInNetwork(network, this.genericInfos);
if(!this.genericInfos.isEmpty()){
Collections.sort(this.genericInfos);
int slotsQueried = 0;
for(GenericItemHandlerInfo info : this.genericInfos){
for(IItemHandler handler : info.handlers){
for(int i = 0; i < handler.getSlots(); i++){
this.specificInfos.put(slotsQueried, new SpecificItemHandlerInfo(handler, i, info.relayInQuestion));
slotsQueried++;
}
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}
}
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}
this.oldNetwork = network;
this.lastNetworkChangeAmount = network.changeAmount;
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}
}
}
private SpecificItemHandlerInfo getSwitchedIndexHandler(int i){
this.queryAndSaveData();
return this.specificInfos.get(i);
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}
@Override
public boolean shouldSaveDataOnChangeOrWorldStart(){
return true;
}
@Override
public void saveDataOnChangeOrWorldStart(){
TileEntityLaserRelayItem tileFound = null;
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if(this.worldObj != null){ //Why is that even possible..?
for(int i = 0; i <= 5; i++){
EnumFacing side = WorldUtil.getDirectionBySidesInOrder(i);
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BlockPos pos = this.getPos().offset(side);
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TileEntity tile = this.worldObj.getTileEntity(pos);
if(tile instanceof TileEntityLaserRelayItem){
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if(tileFound != null){
this.connectedRelay = null;
return;
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}
else{
tileFound = (TileEntityLaserRelayItem)tile;
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}
}
}
}
this.connectedRelay = tileFound;
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}
@Override
public boolean canInsertItem(int index, ItemStack stack, EnumFacing direction){
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return this.isItemValidForSlot(index, stack);
}
@Override
public boolean canExtractItem(int index, ItemStack stack, EnumFacing direction){
SpecificItemHandlerInfo handler = this.getSwitchedIndexHandler(index);
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if(handler != null){
if(this.isWhitelisted(handler, stack, true)){
if(ItemStack.areItemsEqual(handler.handler.getStackInSlot(handler.switchedIndex), stack)){
ItemStack gaveBack = handler.handler.extractItem(handler.switchedIndex, StackUtil.getStackSize(stack), true);
return StackUtil.isValid(gaveBack);
}
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}
}
return false;
}
private boolean isWhitelisted(SpecificItemHandlerInfo handler, ItemStack stack, boolean output){
boolean whitelisted = handler.relayInQuestion.isWhitelisted(stack, output);
TileEntityLaserRelayItem connected = this.connectedRelay;
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if(connected != null && connected != handler.relayInQuestion){
return whitelisted && connected.isWhitelisted(stack, output);
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}
else{
return whitelisted;
}
}
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@Override
public boolean isItemValidForSlot(int index, ItemStack stack){
SpecificItemHandlerInfo handler = this.getSwitchedIndexHandler(index);
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if(handler != null){
if(this.isWhitelisted(handler, stack, false)){
ItemStack gaveBack = handler.handler.insertItem(handler.switchedIndex, stack, true);
return !ItemStack.areItemStacksEqual(gaveBack, stack);
}
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}
return false;
}
@Override
public void clear(){
for(int i = 0; i < this.getSizeInventory(); i++){
this.removeStackFromSlot(i);
}
}
@Override
public void setInventorySlotContents(int i, ItemStack stack){
if(stack != null){
SpecificItemHandlerInfo handler = this.getSwitchedIndexHandler(i);
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if(handler != null){
ItemStack toInsert = stack.copy();
ItemStack inSlot = handler.handler.getStackInSlot(handler.switchedIndex);
if(StackUtil.isValid(inSlot)){
toInsert = StackUtil.addStackSize(toInsert, -StackUtil.getStackSize(inSlot));
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}
handler.handler.insertItem(handler.switchedIndex, toInsert, false);
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}
}
else{
this.removeStackFromSlot(i);
}
}
@Override
public int getSizeInventory(){
int size = 0;
List<GenericItemHandlerInfo> infos = this.getItemHandlerInfos();
if(infos != null){
for(GenericItemHandlerInfo info : infos){
for(IItemHandler handler : info.handlers){
size += handler.getSlots();
}
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}
}
return size;
}
@Override
public ItemStack getStackInSlot(int i){
SpecificItemHandlerInfo handler = this.getSwitchedIndexHandler(i);
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if(handler != null){
return handler.handler.getStackInSlot(handler.switchedIndex);
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}
return null;
}
@Override
public ItemStack decrStackSize(int i, int j){
SpecificItemHandlerInfo handler = this.getSwitchedIndexHandler(i);
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if(handler != null){
return handler.handler.extractItem(handler.switchedIndex, j, false);
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}
return null;
}
@Override
public ItemStack removeStackFromSlot(int index){
SpecificItemHandlerInfo handler = this.getSwitchedIndexHandler(index);
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if(handler != null){
ItemStack stackInSlot = handler.handler.getStackInSlot(handler.switchedIndex);
if(StackUtil.isValid(stackInSlot)){
handler.handler.extractItem(handler.switchedIndex, StackUtil.getStackSize(stackInSlot), false);
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}
return stackInSlot;
}
return null;
}
private static class SpecificItemHandlerInfo{
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public final IItemHandler handler;
public final int switchedIndex;
public final TileEntityLaserRelayItem relayInQuestion;
public SpecificItemHandlerInfo(IItemHandler handler, int switchedIndex, TileEntityLaserRelayItem relayInQuestion){
this.handler = handler;
this.switchedIndex = switchedIndex;
this.relayInQuestion = relayInQuestion;
}
}
public static class GenericItemHandlerInfo implements Comparable<GenericItemHandlerInfo>{
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public final List<IItemHandler> handlers = new ArrayList<IItemHandler>();
public final TileEntityLaserRelayItem relayInQuestion;
public GenericItemHandlerInfo(TileEntityLaserRelayItem relayInQuestion){
this.relayInQuestion = relayInQuestion;
}
@Override
public int compareTo(GenericItemHandlerInfo other){
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boolean thisWhitelist = this.relayInQuestion instanceof TileEntityLaserRelayItemWhitelist;
boolean otherWhitelist = other.relayInQuestion instanceof TileEntityLaserRelayItemWhitelist;
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if(!thisWhitelist && otherWhitelist){
return 1;
}
else if(thisWhitelist && !otherWhitelist){
return -1;
}
else{
return 0;
}
}
}
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}