Applied-Energistics-2-tiler.../me/cluster/implementations/QuantumCluster.java

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package appeng.me.cluster.implementations;
import java.util.Iterator;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;
import net.minecraft.world.chunk.Chunk;
import net.minecraftforge.common.DimensionManager;
import net.minecraftforge.common.MinecraftForge;
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import net.minecraftforge.common.util.ForgeDirection;
import net.minecraftforge.event.world.WorldEvent;
import appeng.api.AEApi;
import appeng.api.events.LocatableEventAnnounce;
import appeng.api.events.LocatableEventAnnounce.LocatableEvent;
import appeng.api.exceptions.FailedConnection;
import appeng.api.features.ILocatable;
import appeng.api.networking.IGridHost;
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import appeng.api.networking.IGridNode;
import appeng.api.util.WorldCoord;
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import appeng.me.cache.helpers.ConnectionWrapper;
import appeng.me.cluster.IAECluster;
import appeng.tile.qnb.TileQuantumBridge;
import appeng.util.iterators.ChainedIterator;
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import cpw.mods.fml.common.eventhandler.SubscribeEvent;
public class QuantumCluster implements ILocatable, IAECluster
{
public WorldCoord min;
public WorldCoord max;
public boolean isDestroyed = false;
private boolean updateStatus = true;
boolean registered = false;
private long thisSide;
private long otherSide;
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ConnectionWrapper connection;
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public TileQuantumBridge Ring[];
private TileQuantumBridge center;
@Override
public Iterator<IGridHost> getTiles()
{
return new ChainedIterator<IGridHost>( Ring[0], Ring[1], Ring[2], Ring[3], Ring[4], Ring[5], Ring[6], Ring[7], center );
}
public void setCenter(TileQuantumBridge c)
{
registered = true;
MinecraftForge.EVENT_BUS.register( this );
center = c;
}
public QuantumCluster(WorldCoord _min, WorldCoord _max) {
min = _min;
max = _max;
Ring = new TileQuantumBridge[8];
}
public boolean canUseNode(long qe)
{
QuantumCluster qc = (QuantumCluster) AEApi.instance().registries().locateable().findLocateableBySerial( qe );
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if ( qc != null && qc.center instanceof TileQuantumBridge )
{
World theWorld = qc.getCenter().getWorldObj();
if ( !qc.isDestroyed )
{
Chunk c = theWorld.getChunkFromBlockCoords( qc.center.xCoord, qc.center.zCoord );
if ( c.isChunkLoaded )
{
int id = theWorld.provider.dimensionId;
World cur = DimensionManager.getWorld( id );
TileEntity te = theWorld.getTileEntity( qc.center.xCoord, qc.center.yCoord, qc.center.zCoord );
return te != qc.center || theWorld != cur;
}
}
}
return true;
}
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@SubscribeEvent
public void onUnload(WorldEvent.Unload e)
{
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if ( center.getWorldObj() == e.world )
{
updateStatus = false;
destroy();
}
}
@Override
public void updateStatus(boolean updateGrid)
{
long qe;
qe = center.getQEDest();
if ( thisSide != qe && thisSide != -qe )
{
if ( qe != 0 )
{
if ( thisSide != 0 )
MinecraftForge.EVENT_BUS.post( new LocatableEventAnnounce( this, LocatableEvent.Unregister ) );
if ( canUseNode( -qe ) )
{
otherSide = qe;
thisSide = -qe;
}
else if ( canUseNode( qe ) )
{
thisSide = qe;
otherSide = -qe;
}
MinecraftForge.EVENT_BUS.post( new LocatableEventAnnounce( this, LocatableEvent.Register ) );
}
else
{
MinecraftForge.EVENT_BUS.post( new LocatableEventAnnounce( this, LocatableEvent.Unregister ) );
otherSide = 0;
thisSide = 0;
}
}
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Object myOtherSide = otherSide == 0 ? null : AEApi.instance().registries().locateable().findLocateableBySerial( otherSide );
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boolean shutdown = false;
if ( myOtherSide instanceof QuantumCluster )
{
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QuantumCluster sideA = (QuantumCluster) this;
QuantumCluster sideB = (QuantumCluster) myOtherSide;
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if ( sideA.isActive() && sideB.isActive() )
{
if ( connection != null && connection.connection != null )
{
IGridNode a = connection.connection.a();
IGridNode b = connection.connection.b();
IGridNode sa = sideA.getNode();
IGridNode sb = sideB.getNode();
if ( (a == sa || b == sa) && (a == sb || b == sb) )
return;
}
try
{
if ( sideA.connection != null )
{
if ( sideA.connection.connection != null )
{
sideA.connection.connection.destroy();
sideA.connection = new ConnectionWrapper( null );
}
}
if ( sideB.connection != null )
{
if ( sideB.connection.connection != null )
{
sideB.connection.connection.destroy();
sideB.connection = new ConnectionWrapper( null );
}
}
sideA.connection = sideB.connection = new ConnectionWrapper( AEApi.instance().createGridConnection( sideA.getNode(), sideB.getNode() ) );
}
catch (FailedConnection e)
{
// :(
}
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}
else
shutdown = true;
}
else
shutdown = true;
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if ( shutdown && connection != null )
{
if ( connection.connection != null )
{
connection.connection.destroy();
connection.connection = null;
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connection = new ConnectionWrapper( null );
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}
}
}
@Override
public void destroy()
{
if ( isDestroyed )
return;
isDestroyed = true;
if ( registered )
{
MinecraftForge.EVENT_BUS.unregister( this );
registered = false;
}
if ( getLocatableSerial() != 0 )
{
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updateStatus( true );
MinecraftForge.EVENT_BUS.post( new LocatableEventAnnounce( this, LocatableEvent.Unregister ) );
}
if ( updateStatus )
{
center.updateStatus( null, (byte) -1 );
for (TileQuantumBridge r : Ring)
{
r.updateStatus( null, (byte) -1 );
}
}
center = null;
Ring = new TileQuantumBridge[8];
}
public boolean isCorner(TileQuantumBridge tileQuantumBridge)
{
return Ring[0] == tileQuantumBridge || Ring[2] == tileQuantumBridge || Ring[4] == tileQuantumBridge || Ring[6] == tileQuantumBridge;
}
@Override
public long getLocatableSerial()
{
return thisSide;
}
public TileQuantumBridge getCenter()
{
return center;
}
public boolean hasQES()
{
return getLocatableSerial() != 0;
}
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private IGridNode getNode()
{
return center.getGridNode( ForgeDirection.UNKNOWN );
}
private boolean isActive()
{
if ( isDestroyed || !registered )
return false;
return center.isPowered() && hasQES();
}
}