Applied-Energistics-2-tiler.../me/cache/EnergyGridCache.java
2013-12-27 16:59:59 -06:00

426 lines
10 KiB
Java

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