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package common.tileentities;
import java.util.HashSet;
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 byte channel = -1;
private IInventory proxyInventory = null;
private int tickCounter = 0;
public TE_ItemProxyEndpoint() {
channel = 0;
}
public void setChannel(byte channel) {
this.channel = channel;
}
public int getChannel() {
return channel;
}
@Override
public void updateEntity() {
if (tickCounter == 20) {
if (channel != -1) {
proxyInventory = searchSource();
}
tickCounter = 0;
}
tickCounter++;
}
private TE_ItemProxySource searchSource() {
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);
}
}
}
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) {
if (!visited.contains(nextTarget.getIdentifier())) {
visited.add(nextTarget.getIdentifier());
for (ForgeDirection next : ForgeDirection.VALID_DIRECTIONS) {
if (next != from) {
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);
}
} else if (te instanceof TE_ItemProxySource) {
sources.add((TE_ItemProxySource) te);
}
}
}
}
}
@Override
public int getSizeInventory() {
return 1;
}
@Override
public ItemStack getStackInSlot(int slot) {
if (proxyInventory != null && slot == 0) {
return proxyInventory.getStackInSlot(channel);
} else {
return null;
}
}
@Override
public ItemStack decrStackSize(int slot, int amount) {
if (proxyInventory != null && slot == 0) {
return proxyInventory.decrStackSize(channel, amount);
} else {
return null;
}
}
@Override
public ItemStack getStackInSlotOnClosing(int slot) {
return (proxyInventory != null) ? proxyInventory.getStackInSlotOnClosing(channel) : null;
}
@Override
public void setInventorySlotContents(int slot, ItemStack itemStack) {
if (proxyInventory != null && slot == 0) {
proxyInventory.setInventorySlotContents(channel, itemStack);
}
}
@Override
public String getInventoryName() {
return (proxyInventory != null) ? "Connected: " + proxyInventory.getInventoryName() : "Untethered Proxy";
}
@Override
public boolean hasCustomInventoryName() {
return true;
}
@Override
public int getInventoryStackLimit() {
return (proxyInventory != null) ? proxyInventory.getInventoryStackLimit() : 0;
}
@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 (proxyInventory != null && slot == 0) {
return proxyInventory.isItemValidForSlot(channel, itemStack);
} else {
return false;
}
}
@Override
public int[] getAccessibleSlotsFromSide(int side) {
return new int[] {0};
}
@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;
}
}
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