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package common.tileentities;
import java.util.HashSet;
import java.util.UUID;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.inventory.ISidedInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.common.util.ForgeDirection;
public class TE_ItemProxyEndpoint extends TileEntity implements ISidedInventory {
private UUID channel = null;
private int subChannel = -1;
private IInventory proxyInventory = null;
private int tickCounter = 0;
private ItemStack[] slots = new ItemStack[2];
public void setChannel(UUID channel) {
this.channel = channel;
}
public void setSubChannel(int subChannel) {
this.subChannel = subChannel;
}
@Override
public void updateEntity() {
if(tickCounter == 20) {
if(slots[1] == null || !slots[1].getUnlocalizedName().equals("gt.integrated_circuit") || slots[1].getItemDamage() >= 16) {
setSubChannel(-1);
}
if(slots[1] != null && slots[1].getUnlocalizedName().equals("gt.integrated_circuit") && slots[1].getItemDamage() < 16) {
setSubChannel(slots[1].getItemDamage());
}
if(channel != null && subChannel != -1) {
TE_ItemProxySource source = searchSource(channel);
if(source != null) {
proxyInventory = source;
}
}
tickCounter = 0;
}
tickCounter++;
}
public TE_ItemProxySource searchSource(UUID channel) {
final HashSet<TE_ItemProxySource> sources = new HashSet<>();
final HashSet<String> visited = new HashSet<>();
for(ForgeDirection next : ForgeDirection.VALID_DIRECTIONS) {
final TileEntity te = super.getWorldObj().getTileEntity(
super.xCoord + next.offsetX,
super.yCoord + next.offsetY,
super.zCoord + next.offsetZ);
if(te instanceof TE_ItemProxyCable) {
final TE_ItemProxyCable cable = (TE_ItemProxyCable) te;
if(cable.isConnected(next.getOpposite())) {
searchSourceRecursive(sources, visited, next.getOpposite(), cable, channel);
}
}
}
if(sources.isEmpty()) {
return null;
} else {
return sources.iterator().next();
}
}
private void searchSourceRecursive(HashSet<TE_ItemProxySource> sources, HashSet<String> visited,
ForgeDirection from, TE_ItemProxyCable nextTarget, UUID channel) {
if(visited.contains(nextTarget.getIdentifier())) {
return;
} else {
visited.add(nextTarget.getIdentifier());
for(ForgeDirection next : ForgeDirection.VALID_DIRECTIONS) {
if(next == from || !nextTarget.isConnected(next)) {
continue;
}
final TileEntity te = super.getWorldObj().getTileEntity(
nextTarget.xCoord + next.offsetX,
nextTarget.yCoord + next.offsetY,
nextTarget.zCoord + next.offsetZ);
if(te instanceof TE_ItemProxyCable) {
final TE_ItemProxyCable cable = (TE_ItemProxyCable) te;
if(cable.isConnected(next.getOpposite())) {
searchSourceRecursive(sources, visited, next.getOpposite(), cable, channel);
}
} else if (te instanceof TE_ItemProxySource) {
final TE_ItemProxySource source = (TE_ItemProxySource) te;
if(source.getChannel().equals(channel)) {
sources.add((TE_ItemProxySource) te);
}
}
}
}
}
@Override
public int getSizeInventory() {
return slots.length;
}
@Override
public ItemStack getStackInSlot(int slot) {
if(slot == 0) {
return (proxyInventory != null) ? proxyInventory.getStackInSlot(subChannel) : null;
} else {
return slots[slot];
}
}
@Override
public ItemStack decrStackSize(int slot, int amount) {
if(slot == 0) {
return (proxyInventory != null) ? proxyInventory.decrStackSize(subChannel, amount) : null;
} else {
final ItemStack copy = slots[1].copy();
slots[1] = null;
super.markDirty();
return copy;
}
}
@Override
public ItemStack getStackInSlotOnClosing(int slot) {
return (proxyInventory != null) ? proxyInventory.getStackInSlotOnClosing(subChannel) : null;
}
@Override
public void setInventorySlotContents(int slot, ItemStack itemStack) {
if(slot == 0 && proxyInventory != null) {
proxyInventory.setInventorySlotContents(subChannel, itemStack);
} else {
slots[slot] = itemStack;
}
}
@Override
public String getInventoryName() {
return (proxyInventory != null) ? "Connected Proxy" : "Untethered Proxy";
}
@Override
public boolean hasCustomInventoryName() {
return true;
}
@Override
public int getInventoryStackLimit() {
return (proxyInventory != null) ? proxyInventory.getInventoryStackLimit() : 1;
}
@Override
public boolean isUseableByPlayer(EntityPlayer player) {
return true;
}
@Override
public void openInventory() {
}
@Override
public void closeInventory() {
}
@Override
public boolean isItemValidForSlot(int slot, ItemStack itemStack) {
if(slot == 0 && proxyInventory != null) {
return proxyInventory.isItemValidForSlot(subChannel, itemStack);
} else {
return itemStack != null && itemStack.getUnlocalizedName().equals("gt.integrated_circuit");
}
}
@Override
public int[] getAccessibleSlotsFromSide(int side) {
final int[] as = {0};
return as;
}
@Override
public boolean canInsertItem(int slot, ItemStack itemStack, int side) {
return isItemValidForSlot(slot, itemStack);
}
@Override
public boolean canExtractItem(int slot, ItemStack itemStack, int side) {
return (slot == 0) ? true : false;
}
}
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