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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* © 2015-2017 Ellpeck
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*/
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package de.ellpeck.actuallyadditions.mod.tile;
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import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.cyclops.commoncapabilities.api.capability.itemhandler.ISlotlessItemHandler;
import org.cyclops.commoncapabilities.capability.itemhandler.SlotlessItemHandlerConfig;
import de.ellpeck.actuallyadditions.api.laser.Network;
import de.ellpeck.actuallyadditions.mod.ActuallyAdditions;
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import de.ellpeck.actuallyadditions.mod.network.PacketHandler;
import de.ellpeck.actuallyadditions.mod.network.PacketServerToClient;
import de.ellpeck.actuallyadditions.mod.util.StackUtil;
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import de.ellpeck.actuallyadditions.mod.util.WorldUtil;
import de.ellpeck.actuallyadditions.mod.util.compat.CommonCapsUtil;
import de.ellpeck.actuallyadditions.mod.util.compat.SlotlessableItemHandlerWrapper;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
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import net.minecraft.item.ItemStack;
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.math.BlockPos;
import net.minecraftforge.common.capabilities.Capability;
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import net.minecraftforge.items.IItemHandler;
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public class TileEntityItemViewer extends TileEntityBase {
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public final List<GenericItemHandlerInfo> genericInfos = new ArrayList<>();
public final Map<Integer, IItemHandlerInfo> itemHandlerInfos = new HashMap<>();
public final List<SlotlessItemHandlerInfo> slotlessInfos = new ArrayList<>();
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protected final SlotlessableItemHandlerWrapper itemHandler;
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public TileEntityLaserRelayItem connectedRelay;
private int lastNetworkChangeAmount = -1;
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public TileEntityItemViewer(String name) {
super(name);
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IItemHandler normalHandler = new IItemHandler() {
@Override
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public int getSlots() {
int size = 0;
List<GenericItemHandlerInfo> infos = TileEntityItemViewer.this.getItemHandlerInfos();
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if (infos != null) {
for (GenericItemHandlerInfo info : infos) {
if (info.isLoaded()) {
for (SlotlessableItemHandlerWrapper handler : info.handlers) {
IItemHandler normalHandler = handler.getNormalHandler();
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if (normalHandler != null) {
size += normalHandler.getSlots();
}
}
}
}
}
return size;
}
@Override
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public ItemStack getStackInSlot(int slot) {
IItemHandlerInfo handler = TileEntityItemViewer.this.getSwitchedIndexHandler(slot);
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if (handler != null && handler.isLoaded()) { return handler.handler.getStackInSlot(handler.switchedIndex); }
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return StackUtil.getEmpty();
}
@Override
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public ItemStack insertItem(int slot, ItemStack stack, boolean simulate) {
IItemHandlerInfo info = TileEntityItemViewer.this.getSwitchedIndexHandler(slot);
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if (info != null && info.isLoaded() && TileEntityItemViewer.this.isWhitelisted(info, stack, false)) {
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ItemStack remain = info.handler.insertItem(info.switchedIndex, stack, simulate);
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if (!ItemStack.areItemStacksEqual(remain, stack) && !simulate) {
TileEntityItemViewer.this.markDirty();
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TileEntityItemViewer.this.doItemParticle(stack, info.relayInQuestion.getPos(), TileEntityItemViewer.this.connectedRelay.getPos());
}
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return remain;
}
return stack;
}
@Override
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public ItemStack extractItem(int slot, int amount, boolean simulate) {
ItemStack stackIn = this.getStackInSlot(slot);
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if (StackUtil.isValid(stackIn)) {
IItemHandlerInfo info = TileEntityItemViewer.this.getSwitchedIndexHandler(slot);
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if (info != null && info.isLoaded() && TileEntityItemViewer.this.isWhitelisted(info, stackIn, true)) {
ItemStack extracted = info.handler.extractItem(info.switchedIndex, amount, simulate);
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if (StackUtil.isValid(extracted) && !simulate) {
TileEntityItemViewer.this.markDirty();
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TileEntityItemViewer.this.doItemParticle(extracted, TileEntityItemViewer.this.connectedRelay.getPos(), info.relayInQuestion.getPos());
}
return extracted;
}
}
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return StackUtil.getEmpty();
}
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@Override
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public int getSlotLimit(int slot) {
IItemHandlerInfo info = TileEntityItemViewer.this.getSwitchedIndexHandler(slot);
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if (info != null && info.isLoaded()) {
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return info.handler.getSlotLimit(info.switchedIndex);
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} else {
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return 0;
}
}
};
Object slotlessHandler = null;
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if (ActuallyAdditions.commonCapsLoaded) {
slotlessHandler = CommonCapsUtil.createSlotlessItemViewerHandler(this, normalHandler);
}
this.itemHandler = new SlotlessableItemHandlerWrapper(normalHandler, slotlessHandler);
}
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public TileEntityItemViewer() {
this("itemViewer");
}
@Override
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public IItemHandler getItemHandler(EnumFacing facing) {
return this.itemHandler.getNormalHandler();
}
@SuppressWarnings("unchecked")
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@Override
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public <T> T getCapability(Capability<T> capability, EnumFacing facing) {
if (ActuallyAdditions.commonCapsLoaded) {
if (capability == SlotlessItemHandlerConfig.CAPABILITY) {
Object handler = this.itemHandler.getSlotlessHandler();
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if (handler != null) { return (T) handler; }
}
}
return super.getCapability(capability, facing);
}
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private List<GenericItemHandlerInfo> getItemHandlerInfos() {
this.queryAndSaveData();
return this.genericInfos;
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}
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public void doItemParticle(ItemStack stack, BlockPos input, BlockPos output) {
if (!this.world.isRemote) {
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NBTTagCompound compound = new NBTTagCompound();
stack.writeToNBT(compound);
compound.setDouble("InX", input.getX());
compound.setDouble("InY", input.getY());
compound.setDouble("InZ", input.getZ());
compound.setDouble("OutX", output.getX());
compound.setDouble("OutY", output.getY());
compound.setDouble("OutZ", output.getZ());
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int rangeSq = 16 * 16;
for (EntityPlayer player : this.world.playerEntities) {
if (player instanceof EntityPlayerMP) {
if (player.getDistanceSq(input) <= rangeSq || player.getDistanceSq(output) <= rangeSq) {
PacketHandler.theNetwork.sendTo(new PacketServerToClient(compound, PacketHandler.LASER_PARTICLE_HANDLER), (EntityPlayerMP) player);
}
}
}
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}
}
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private void queryAndSaveData() {
if (this.connectedRelay != null) {
Network network = this.connectedRelay.getNetwork();
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if (network != null) {
if (this.lastNetworkChangeAmount != network.changeAmount) {
this.clearInfos();
this.connectedRelay.getItemHandlersInNetwork(network, this.genericInfos);
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if (!this.genericInfos.isEmpty()) {
Collections.sort(this.genericInfos);
int slotsQueried = 0;
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for (GenericItemHandlerInfo info : this.genericInfos) {
for (SlotlessableItemHandlerWrapper handler : info.handlers) {
IItemHandler normalHandler = handler.getNormalHandler();
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if (normalHandler != null) {
for (int i = 0; i < normalHandler.getSlots(); i++) {
this.itemHandlerInfos.put(slotsQueried, new IItemHandlerInfo(normalHandler, i, info.relayInQuestion));
slotsQueried++;
}
}
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if (ActuallyAdditions.commonCapsLoaded) {
Object slotlessHandler = handler.getSlotlessHandler();
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if (slotlessHandler instanceof ISlotlessItemHandler) {
this.slotlessInfos.add(new SlotlessItemHandlerInfo(slotlessHandler, info.relayInQuestion));
}
}
}
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}
}
this.lastNetworkChangeAmount = network.changeAmount;
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}
return;
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}
}
this.clearInfos();
this.lastNetworkChangeAmount = -1;
}
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private void clearInfos() {
if (!this.genericInfos.isEmpty()) {
this.genericInfos.clear();
}
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if (!this.itemHandlerInfos.isEmpty()) {
this.itemHandlerInfos.clear();
}
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if (!this.slotlessInfos.isEmpty()) {
this.slotlessInfos.clear();
}
}
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private IItemHandlerInfo getSwitchedIndexHandler(int i) {
this.queryAndSaveData();
return this.itemHandlerInfos.get(i);
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}
@Override
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public boolean shouldSaveDataOnChangeOrWorldStart() {
return true;
}
@Override
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public void saveDataOnChangeOrWorldStart() {
TileEntityLaserRelayItem tileFound = null;
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if (this.world != null) { //Why is that even possible..?
for (int i = 0; i <= 5; i++) {
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EnumFacing side = WorldUtil.getDirectionBySidesInOrder(i);
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BlockPos pos = this.getPos().offset(side);
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if (this.world.isBlockLoaded(pos)) {
TileEntity tile = this.world.getTileEntity(pos);
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if (tile instanceof TileEntityLaserRelayItem) {
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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}
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public 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 {
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return whitelisted;
}
}
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public static class SlotlessItemHandlerInfo extends SpecificItemHandlerInfo {
public final Object handler;
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public SlotlessItemHandlerInfo(Object handler, TileEntityLaserRelayItem relayInQuestion) {
super(relayInQuestion);
this.handler = handler;
}
}
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private static class IItemHandlerInfo extends SpecificItemHandlerInfo {
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public final IItemHandler handler;
public final int switchedIndex;
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public IItemHandlerInfo(IItemHandler handler, int switchedIndex, TileEntityLaserRelayItem relayInQuestion) {
super(relayInQuestion);
this.handler = handler;
this.switchedIndex = switchedIndex;
}
}
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private static class SpecificItemHandlerInfo {
public final TileEntityLaserRelayItem relayInQuestion;
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public SpecificItemHandlerInfo(TileEntityLaserRelayItem relayInQuestion) {
this.relayInQuestion = relayInQuestion;
}
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public boolean isLoaded() {
return this.relayInQuestion.hasWorld() && this.relayInQuestion.getWorld().isBlockLoaded(this.relayInQuestion.getPos());
}
}
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public static class GenericItemHandlerInfo implements Comparable<GenericItemHandlerInfo> {
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public final List<SlotlessableItemHandlerWrapper> handlers = new ArrayList<>();
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public final TileEntityLaserRelayItem relayInQuestion;
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public GenericItemHandlerInfo(TileEntityLaserRelayItem relayInQuestion) {
this.relayInQuestion = relayInQuestion;
}
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public boolean isLoaded() {
return this.relayInQuestion.hasWorld() && this.relayInQuestion.getWorld().isBlockLoaded(this.relayInQuestion.getPos());
}
@Override
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public int compareTo(GenericItemHandlerInfo other) {
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int thisPrio = this.relayInQuestion.getPriority();
int otherPrio = other.relayInQuestion.getPriority();
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if (thisPrio == otherPrio) {
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return 0;
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} else if (thisPrio > otherPrio) {
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return -1;
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} else {
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return 1;
}
}
}
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}