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package gregtech.api.metatileentity;
import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.common.util.ForgeDirection;
import com.google.common.collect.Sets;
import gregtech.api.interfaces.metatileentity.IConnectable;
import gregtech.api.interfaces.metatileentity.IMetaTileEntity;
import gregtech.api.interfaces.metatileentity.IMetaTileEntityCable;
import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
import gregtech.api.metatileentity.implementations.GT_MetaPipeEntity_Cable;
import gregtech.api.util.GT_Utility;
import ic2.api.energy.tile.IEnergySink;
public class TileIC2EnergySink extends TileEntity implements IEnergySink {
private final IGregTechTileEntity myMeta;
private GT_MetaPipeEntity_Cable cableMeta = null;
public TileIC2EnergySink(IGregTechTileEntity meta) {
if (meta == null) throw new NullPointerException("no null metas");
myMeta = meta;
final IMetaTileEntity metaTile = myMeta.getMetaTileEntity();
if (metaTile instanceof IMetaTileEntityCable) {
cableMeta = (GT_MetaPipeEntity_Cable) metaTile;
}
setWorldObj(meta.getWorld());
xCoord = meta.getXCoord();
yCoord = meta.getYCoord();
zCoord = meta.getZCoord();
}
/*
* IC2 enet compat - IEnergySink
*/
/**
* Determine how much energy the sink accepts.
*
* Make sure that injectEnergy() does accepts energy if demandsEnergy() returns anything > 0.
*
* @note Modifying the energy net from this method is disallowed.
*
* @return max accepted input in eu
*/
@Override
public double getDemandedEnergy() {
if (cableMeta != null) {
// We don't want everything to join the enet (treating the cable as a conductor) so we join it as a ink. We
// don't want to traverse all cables
// connected to this (like we would during distribution) to see if it actually needs any EU... so we just
// always say we want it all. If there
// are more than two things attached, and one of them is a GT cable that doesn't have anywhere to send it's
// energy, the distribution will be a bit
// weird. In that case only use one cable, or use a transformer.
return (cableMeta.mVoltage * cableMeta.mAmperage);
} else return myMeta.getEUCapacity() - myMeta.getStoredEU();
}
/**
* Determine the tier of this energy sink. 1 = LV, 2 = MV, 3 = HV, 4 = EV etc.
*
* @note Return Integer.MAX_VALUE to allow any voltage.
*
* @return tier of this energy sink
*/
@Override
public int getSinkTier() {
return GT_Utility.getTier(cableMeta != null ? cableMeta.mVoltage : myMeta.getInputVoltage());
}
/**
* Transfer energy to the sink.
*
* It's highly recommended to accept all energy by letting the internal buffer overflow to increase the performance
* and accuracy of the distribution simulation.
*
* @param directionFrom direction from which the energy comes from
* @param amount energy to be transferred
* @return Energy not consumed (leftover)
*/
@Override
public double injectEnergy(ForgeDirection directionFrom, double amount, double voltage) {
final long amps = (long) Math
.max(amount / (cableMeta != null ? cableMeta.mVoltage : myMeta.getInputVoltage() * 1.0), 1.0);
final long euPerAmp = (long) (amount / (amps * 1.0));
final IMetaTileEntity metaTile = myMeta.getMetaTileEntity();
if (metaTile == null) return amount;
final long usedAmps;
if (cableMeta != null) {
usedAmps = ((IMetaTileEntityCable) metaTile).transferElectricity(
directionFrom,
Math.min(euPerAmp, cableMeta.mVoltage),
amps,
Sets.newHashSet((TileEntity) myMeta));
} else usedAmps = myMeta.injectEnergyUnits(directionFrom, Math.min(euPerAmp, myMeta.getInputVoltage()), amps);
return amount - (usedAmps * euPerAmp);
// transferElectricity for cables
}
/**
* Determine if this acceptor can accept current from an adjacent emitter in a direction.
*
* The TileEntity in the emitter parameter is what was originally added to the energy net, which may be normal
* in-world TileEntity, a delegate or an IMetaDelegate.
*
* @param emitter energy emitter, may also be null or an IMetaDelegate
* @param direction direction the energy is being received from
*/
@Override
public boolean acceptsEnergyFrom(TileEntity emitter, ForgeDirection direction) {
final IMetaTileEntity metaTile = myMeta.getMetaTileEntity();
if (metaTile instanceof IMetaTileEntityCable
&& (direction == ForgeDirection.UNKNOWN || ((IConnectable) metaTile).isConnectedAtSide(direction)))
return true;
else return myMeta.inputEnergyFrom(direction, false);
}
}
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