483 lines
12 KiB
Java
483 lines
12 KiB
Java
package appeng.me.cache;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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import java.util.Set;
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import appeng.api.config.AccessRestriction;
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import appeng.api.config.Actionable;
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import appeng.api.config.PowerMultiplier;
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import appeng.api.networking.IGrid;
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import appeng.api.networking.IGridBlock;
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import appeng.api.networking.IGridHost;
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import appeng.api.networking.IGridNode;
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import appeng.api.networking.IGridStorage;
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import appeng.api.networking.energy.IAEPowerStorage;
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import appeng.api.networking.energy.IEnergyGrid;
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import appeng.api.networking.energy.IEnergyGridProvider;
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import appeng.api.networking.events.MENetworkEventSubscribe;
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import appeng.api.networking.events.MENetworkPowerIdleChange;
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import appeng.api.networking.events.MENetworkPowerStatusChange;
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import appeng.api.networking.events.MENetworkPowerStorage;
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import appeng.me.GridNode;
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public class EnergyGridCache implements IEnergyGrid
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{
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/**
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* estimated power available.
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*/
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int availableTicksSinceUpdate = 0;
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double globalAvailablePower = 0;
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/**
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* idle draw.
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*/
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double drainPerTick = 0;
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final double AvgLength = 40.0;
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double avgDrainPerTick = 0;
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double avgInjectionPerTick = 0;
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double tickDrainPerTick = 0;
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double tickInjectionPerTick = 0;
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// Double[] totalDrainPastTicks = new Double[] { 0.0, 0.0, 0.0, 0.0, 0.0,
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// 0.0, 0.0, 0.0, 0.0, 0.0 };
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// Double[] totalInjectionPastTicks = new Double[] { 0.0, 0.0, 0.0, 0.0,
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// 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
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/**
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* power status
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*/
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boolean publicHasPower = false;
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boolean hasPower = true;
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long ticksSinceHasPowerChange = 900;
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/**
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* excess power in the system.
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*/
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double extra = 0;
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IAEPowerStorage lastProvider;
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Set<IAEPowerStorage> providers = new LinkedHashSet();
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IAEPowerStorage lastRequestor;
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Set<IAEPowerStorage> requesters = new LinkedHashSet();
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private double buffer()
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{
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return providers.isEmpty() ? 1000.0 : 0.0;
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}
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private IAEPowerStorage getFirstRequestor()
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{
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if ( lastRequestor == null )
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{
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Iterator<IAEPowerStorage> i = requesters.iterator();
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lastRequestor = i.hasNext() ? i.next() : null;
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}
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return lastRequestor;
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}
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private IAEPowerStorage getFirstProvider()
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{
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if ( lastProvider == null )
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{
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Iterator<IAEPowerStorage> i = providers.iterator();
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lastProvider = i.hasNext() ? i.next() : null;
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}
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return lastProvider;
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}
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Set<IEnergyGridProvider> gproviders = new LinkedHashSet();
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final IGrid myGrid;
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public EnergyGridCache(IGrid g) {
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myGrid = g;
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}
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@MENetworkEventSubscribe
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public void EnergyNodeChanges(MENetworkPowerIdleChange ev)
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{
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// update power usage based on event.
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GridNode node = (GridNode) ev.node;
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IGridBlock gb = node.getGridBlock();
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double newDraw = gb.getIdlePowerUsage();
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double diffDraw = newDraw - node.previousDraw;
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node.previousDraw = newDraw;
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drainPerTick += diffDraw;
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}
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@MENetworkEventSubscribe
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public void EnergyNodeChanges(MENetworkPowerStorage ev)
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{
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if ( ev.storage.isAEPublicPowerStorage() )
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{
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switch (ev.type)
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{
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case PROVIDE_POWER:
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if ( ev.storage.getPowerFlow() != AccessRestriction.WRITE )
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providers.add( ev.storage );
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break;
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case REQUEST_POWER:
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if ( ev.storage.getPowerFlow() != AccessRestriction.READ )
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requesters.add( ev.storage );
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break;
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}
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}
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else
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{
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(new RuntimeException( "Attempt to ask the IEnergyGrid to charge a non public energy store." )).printStackTrace();
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}
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}
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@Override
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public double getEnergyDemand(double maxRequired)
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{
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double required = 0;
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Iterator<IAEPowerStorage> it = requesters.iterator();
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while (required < maxRequired && it.hasNext())
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{
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IAEPowerStorage node = it.next();
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if ( node.getPowerFlow() != AccessRestriction.READ )
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required += Math.max( 0.0, node.getAEMaxPower() - node.getAECurrentPower() );
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}
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return required;
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}
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@Override
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public double injectPower(double i, Actionable mode)
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{
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double ignore = extra;
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i += extra;
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if ( mode == Actionable.SIMULATE )
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{
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Iterator<IAEPowerStorage> it = requesters.iterator();
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while (i > 0 && it.hasNext())
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{
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IAEPowerStorage node = it.next();
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i = node.injectAEPower( i, Actionable.SIMULATE );
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}
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}
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else
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{
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tickInjectionPerTick += i - ignore;
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// totalInjectionPastTicks[0] += i;
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while (i > 0 && !requesters.isEmpty())
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{
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IAEPowerStorage node = getFirstRequestor();
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i = node.injectAEPower( i, Actionable.MODULATE );
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if ( i > 0 )
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{
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requesters.remove( node );
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lastRequestor = null;
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}
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}
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extra = i;
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}
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return Math.max( 0.0, i - buffer() );
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}
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Set<IEnergyGrid> seen = new HashSet();
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@Override
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public double extractAEPower(double amt, Actionable mode, PowerMultiplier pm)
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{
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seen.clear();
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return pm.divide( extractAEPower( pm.multiply( amt ), mode, seen ) );
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}
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@Override
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public void addNode(IGridNode node, IGridHost machine)
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{
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if ( machine instanceof IEnergyGridProvider )
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gproviders.add( (IEnergyGridProvider) machine );
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// idle draw...
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GridNode gnode = (GridNode) node;
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IGridBlock gb = gnode.getGridBlock();
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gnode.previousDraw = gb.getIdlePowerUsage();
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drainPerTick += gnode.previousDraw;
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// power storage
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if ( machine instanceof IAEPowerStorage )
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{
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IAEPowerStorage ps = (IAEPowerStorage) machine;
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if ( ps.isAEPublicPowerStorage() )
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{
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double max = ps.getAEMaxPower();
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double current = ps.getAECurrentPower();
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if ( current > 0 && ps.getPowerFlow() != AccessRestriction.WRITE )
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{
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globalAvailablePower += ((IAEPowerStorage) machine).getAECurrentPower();
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providers.add( ps );
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}
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if ( current < max && ps.getPowerFlow() != AccessRestriction.READ )
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requesters.add( ps );
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}
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}
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myGrid.postEventTo( node, new MENetworkPowerStatusChange() );
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}
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@Override
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public void removeNode(IGridNode node, IGridHost machine)
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{
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if ( machine instanceof IEnergyGridProvider )
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gproviders.remove( machine );
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// idle draw.
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GridNode gnode = (GridNode) node;
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drainPerTick -= gnode.previousDraw;
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// power storage.
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if ( machine instanceof IAEPowerStorage )
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{
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IAEPowerStorage ps = (IAEPowerStorage) machine;
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if ( ps.getPowerFlow() != AccessRestriction.WRITE )
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globalAvailablePower -= ps.getAECurrentPower();
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if ( lastProvider == machine )
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lastProvider = null;
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if ( lastRequestor == machine )
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lastRequestor = null;
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providers.remove( machine );
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requesters.remove( machine );
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}
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}
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@Override
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public void onUpdateTick()
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{
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avgDrainPerTick *= (AvgLength - 1) / AvgLength;
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avgInjectionPerTick *= (AvgLength - 1) / AvgLength;
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avgDrainPerTick += tickDrainPerTick / AvgLength;
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avgInjectionPerTick += tickInjectionPerTick / AvgLength;
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tickDrainPerTick = 0;
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tickInjectionPerTick = 0;
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// next tick is here...
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// for (int x = 0; x < totalDrainPastTicks.length - 1; x++)
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// totalDrainPastTicks[x + 1] = totalDrainPastTicks[x];
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// totalDrainPastTicks[0] = 0.0;
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// for (int x = 0; x < totalInjectionPastTicks.length - 1; x++)
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// totalInjectionPastTicks[x + 1] = totalInjectionPastTicks[x];
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// totalInjectionPastTicks[0] = 0.0;
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// power information.
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double drained = extractAEPower( getIdlePowerUsage(), Actionable.MODULATE, PowerMultiplier.CONFIG );
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boolean currentlyHasPower = drained >= drainPerTick - 0.1;
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// ticks since change..
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if ( currentlyHasPower == hasPower )
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ticksSinceHasPowerChange++;
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else
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ticksSinceHasPowerChange = 0;
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// update status..
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hasPower = currentlyHasPower;
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// update public status, this buffers power ups for 30 ticks.
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if ( hasPower && ticksSinceHasPowerChange > 30 )
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publicPowerState( true, myGrid );
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else if ( !hasPower )
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publicPowerState( false, myGrid );
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availableTicksSinceUpdate++;
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// if ( extra > 32 )
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// injectPower( 0.0, Actionable.MODULATE );
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}
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private void publicPowerState(boolean newState, IGrid grid)
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{
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if ( publicHasPower == newState )
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return;
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publicHasPower = newState;
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grid.postEvent( new MENetworkPowerStatusChange() );
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}
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/**
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* refresh current stored power.
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*/
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public void refreshPower()
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{
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availableTicksSinceUpdate = 0;
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globalAvailablePower = 0;
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for (IAEPowerStorage p : providers)
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globalAvailablePower += p.getAECurrentPower();
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}
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@Override
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public double getStoredPower()
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{
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if ( availableTicksSinceUpdate > 90 )
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refreshPower();
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return globalAvailablePower;
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}
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@Override
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public double extractAEPower(double amt, Actionable mode, Set<IEnergyGrid> seen)
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{
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if ( !seen.add( this ) )
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return 0;
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double extractedPower = extra;
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if ( mode == Actionable.SIMULATE )
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{
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extractedPower += simulateExtract( extractedPower, amt );
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if ( extractedPower < amt )
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{
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Iterator<IEnergyGridProvider> i = gproviders.iterator();
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while (extractedPower < amt && i.hasNext())
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extractedPower += i.next().extractAEPower( amt - extractedPower, mode, seen );
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}
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return extractedPower;
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}
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else
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{
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extra = 0;
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extractedPower = doExtract( extractedPower, amt );
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}
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// got more then we wanted?
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if ( extractedPower > amt )
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{
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extra = extractedPower - amt;
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globalAvailablePower -= amt;
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tickDrainPerTick += amt;
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return amt;
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}
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if ( extractedPower < amt )
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{
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Iterator<IEnergyGridProvider> i = gproviders.iterator();
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while (extractedPower < amt && i.hasNext())
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extractedPower += i.next().extractAEPower( amt - extractedPower, mode, seen );
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}
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// go less or the correct amount?
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globalAvailablePower -= extractedPower;
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tickDrainPerTick += extractedPower;
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return extractedPower;
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}
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private double doExtract(double extractedPower, double amt)
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{
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while (extractedPower < amt && !providers.isEmpty())
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{
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IAEPowerStorage node = getFirstProvider();
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double req = amt - extractedPower;
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double newPower = node.extractAEPower( req, Actionable.MODULATE, PowerMultiplier.ONE );
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extractedPower += newPower;
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if ( newPower < req )
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{
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providers.remove( node );
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lastProvider = null;
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}
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}
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// totalDrainPastTicks[0] += extractedPower;
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return extractedPower;
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}
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private double simulateExtract(double extractedPower, double amt)
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{
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Iterator<IAEPowerStorage> it = providers.iterator();
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while (extractedPower < amt && it.hasNext())
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{
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IAEPowerStorage node = it.next();
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double req = amt - extractedPower;
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double newPower = node.extractAEPower( req, Actionable.SIMULATE, PowerMultiplier.ONE );
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extractedPower += newPower;
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}
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return extractedPower;
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}
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@Override
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public boolean isNetworkPowered()
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{
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return publicHasPower;
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}
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@Override
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public double getIdlePowerUsage()
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{
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return drainPerTick;
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}
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@Override
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public double getAvgPowerUsage()
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{
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return avgDrainPerTick;/*
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* double out = 0;
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*
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* for (double x : totalDrainPastTicks) out += x;
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*
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* return out / totalDrainPastTicks.length;
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*/
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}
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@Override
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public double getAvgPowerInjection()
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{
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return avgInjectionPerTick;/*
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* double out = 0;
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*
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* for (double x : totalInjectionPastTicks) out += x;
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*
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* return out / totalInjectionPastTicks.length;
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*/
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}
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@Override
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public void onSplit(IGridStorage storageB)
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{
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extra /= 2;
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storageB.dataObject().setDouble( "extraEnergy", extra );
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}
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@Override
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public void onJoin(IGridStorage storageB)
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{
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extra += storageB.dataObject().getDouble( "extraEnergy" );
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}
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@Override
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public void populateGridStorage(IGridStorage storage)
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{
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storage.dataObject().setDouble( "extraEnergy", this.extra );
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}
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}
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